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114 Commits

Author SHA1 Message Date
0c53ad52e4 Update recommended Terraform versions and providers
* Sync the documented Terraform versions and provider
plugin versions to those that are actively used/tested
by the author
2020-02-13 14:39:48 -08:00
008817b0aa Promote Fedora CoreOS AWS/bare-metal to beta
* Remove alpha warnings from docs headers
2020-02-13 14:25:22 -08:00
49d3b9e6b3 Set docker log driver to json-file on Fedora CoreOS
* Fix the last minor issue for Fedora CoreOS clusters to pass CNCF's
Kubernetes conformance tests
* Kubelet supports a seldom used feature `kubectl logs --limit-bytes=N`
to trim a log stream to a desired length. Kubelet handles this in the
CRI driver. The Kubelet docker shim only supports the limit bytes
feature when Docker is configured with the default `json-file` logging
driver
* CNCF conformance tests started requiring limit-bytes be supported,
indirectly forcing the log driver choice until either the Kubelet or
the conformance tests are fixed
* Fedora CoreOS defaults Docker to use `journald` (desired). For now,
as a workaround to offer conformant clusters, the log driver can
be set back to `json-file`. RHEL CoreOS likely won't have noticed the
non-conformance since its using crio runtime
* https://github.com/kubernetes/kubernetes/issues/86367

Note: When upstream has a fix, the aim is to drop the docker config
override and use the journald default
2020-02-11 23:00:38 -08:00
1243f395d1 Update Kubernetes from v1.17.2 to v1.17.3
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.17.md#v1173
2020-02-11 20:22:14 -08:00
846f11097f Update Fedora CoreOS kernel arguments to align with upstream
* Align bare-metal kernel arguments with upstream docs
* Add missing initrd argument which can cause issues if
not present. Fix #638
* Add tty0 and ttyS0 consoles (matches Container Linux)
* Remove unused coreos.inst=yes

Related: https://docs.fedoraproject.org/en-US/fedora-coreos/bare-metal/
2020-02-11 20:11:19 -08:00
ba84f86dc7 Add guide for Typhoon with Flatcar Linux on Google Cloud
* Add docs on manually uploading a Flatcar Linux GCE/GCP gzipped
tarball image as a Compute Engine image for use with the Typhoon
container-linux module
* Set status of Flatcar Linux on Google Cloud to alpha
2020-02-11 19:38:40 -08:00
b49a1d715d Update docs generation packages
* Update mkdocs-material from v4.6.0 to v4.6.2
2020-02-08 15:12:12 -08:00
34c3d7cc39 Update Grafana from v6.6.0 to v6.6.1
* https://github.com/grafana/grafana/releases/tag/v6.6.1
2020-02-08 14:50:33 -08:00
ca96a1335c Update Calico from v3.11.2 to v3.12.0
* https://docs.projectcalico.org/release-notes/#v3120
* Remove reverse packet filter override, since Calico no
longer relies on the setting
* https://github.com/coreos/fedora-coreos-tracker/issues/219
* https://github.com/projectcalico/felix/pull/2189
2020-02-06 00:43:33 -08:00
e339fbd2b6 Update kube-state-metrics from v1.9.3 to v1.9.4
* https://github.com/kubernetes/kube-state-metrics/releases/tag/v1.9.4
2020-02-04 21:33:34 -08:00
8cc303c9ac Add module for Fedora CoreOS on Google Cloud
* Add Typhoon Fedora CoreOS on Google Cloud as alpha
* Add docs on uploading the Fedora CoreOS GCP gzipped tarball to
Google Cloud storage to create a boot disk image
2020-02-01 15:21:40 -08:00
b19ba16afa Update nginx-ingress from v0.27.1 to v0.28.0
* https://github.com/kubernetes/ingress-nginx/releases/tag/nginx-0.28.0
2020-01-30 18:00:23 -08:00
d127a7345c Update Grafana from v6.5.3 to v6.6.0
* https://github.com/grafana/grafana/releases/tag/v6.6.0
2020-01-27 20:46:32 -08:00
02a470d2f2 Fix minor typo in announcement date 2020-01-23 08:57:01 -08:00
5643ad525f Promote Fedora CoreOS from preview to alpha in docs
* Add an announcement to the website as well
2020-01-23 08:47:18 -08:00
d5b7ce8f27 Update kube-state-metrics from v1.9.2 to v1.9.3
* https://github.com/kubernetes/kube-state-metrics/releases/tag/v1.9.3
2020-01-23 00:03:16 -08:00
1cda5bcd2a Update Kubernetes from v1.17.1 to v1.17.2
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.17.md#v1172
2020-01-21 18:27:39 -08:00
bda73264f7 Update nginx-ingress from v0.26.1 to v0.27.1
* Change runAsUser from 33 to 101 for new alpine-based image
* https://github.com/kubernetes/ingress-nginx/releases/tag/nginx-0.27.0
* https://github.com/kubernetes/ingress-nginx/releases/tag/nginx-0.27.1
2020-01-20 15:22:16 -08:00
dd930a2ff9 Update bare-metal Fedora CoreOS image location
* Use Fedora CoreOS production download streams (change)
* Use live PXE kernel and initramfs images
* https://getfedora.org/coreos/download/
* Update docs example to use public images (cache is still
recommended at large scale) and stable stream
2020-01-20 14:44:06 -08:00
03ff3a9cf3 Update kube-state-metrics from v1.9.1 to v1.9.2
* https://github.com/kubernetes/kube-state-metrics/releases/tag/v1.9.2
2020-01-18 15:32:10 -08:00
48703f9906 Update Grafana from v6.5.2 to v6.5.3
* https://github.com/grafana/grafana/releases/tag/v6.5.3
2020-01-18 15:30:39 -08:00
7ddd3d096d Fix link in maintenance docs
* Also a fix version mention, since Terraform v0.12 was
added in Typhoon v1.15.0
2020-01-18 15:19:27 -08:00
7daabd28b5 Update Calico from v3.11.1 to v3.11.2
* https://docs.projectcalico.org/v3.11/release-notes/
2020-01-18 13:45:24 -08:00
b642e3b41b Update Kubernetes from v1.17.0 to v1.17.1
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.17.md#v1171
2020-01-14 20:21:36 -08:00
ac786a2efc Update AWS Fedora CoreOS AMI filter for fedora-coreos-31
* Select the most recent fedora-coreos-31 AMI on AWS, instead
of the most recent fedora-coreos-30 AMI (Nov 27, 2019)
* Evaluated with fedora-coreos-31.20200108.2.0-hvm
2020-01-14 20:06:14 -08:00
073fcb7067 Fix bare-metal instruction for watching install to disk
* Original instructions were to watch install to disk by SSH'ing
via port 2222 following Typhoon v1.10.1. Restore that message,
since the version number in the instruction was incorrectly bumped
on each release
2020-01-12 14:16:00 -08:00
ce0569e03b Remove unneeded Kubelet /var/run mount on Fedora CoreOS
* /var/run symlinks to /run (already mounted)
2020-01-11 15:15:39 -08:00
0e2fc89f78 Update kube-state-metrics from v1.9.0 to v1.9.1
* https://github.com/kubernetes/kube-state-metrics/releases/tag/v1.9.1
2020-01-11 14:15:55 -08:00
b1f521fc4a Allow terraform-provider-google v3.x plugin versions
* Typhoon Google Cloud is compatible with `terraform-provider-google`
v3.x releases
* No v3.x specific features are used, so v2.19+ provider versions are
still allowed, to ease migrations
2020-01-11 14:07:18 -08:00
73588cfad3 Update Prometheus from v2.15.1 to v2.15.2
* https://github.com/prometheus/prometheus/releases/tag/v2.15.2
2020-01-06 22:08:34 -08:00
0223b31e1a Ensure /etc/kubernetes exists following Kubelet inlining
* Inlining the Kubelet service removed the need for the
kubelet.env file declared in Ignition. However, on some
platforms, this removed the guarantee that /etc/kubernetes
exists. Bare-Metal and DigitalOcean distribute the kubelet
kubeconfig through Terraform file provisioner (scp) and
place it in (now missing) /etc/kubernetes
* https://github.com/poseidon/typhoon/pull/606
* Fix bare-metal and DigitalOcean Ignition to ensure the
desired directory exists following first boot from disk
* Cloud platforms with worker pools distribute the kubeconfig
through Ignition user data (no impact or need)
2020-01-06 21:38:20 -08:00
bb586b60da Reduce Prometheus addon's node-exporter tolerations
* Change node-exporter DaemonSet tolerations from tolerating
all possible NoSchedule taints to tolerating the master taint
and the not ready taint (we'd like metrics regardless)
* Users who add custom node taints must add their custom taints
to the addon node-exporter DaemonSet. As an addon, its expected
users copy and manipulate manifests out-of-band in their own
systems
2020-01-06 21:24:24 -08:00
43e05b9131 Enable kube-proxy metrics and allow Prometheus scrapes
* Configure kube-proxy --metrics-bind-address=0.0.0.0 (default
127.0.0.1) to serve metrics on 0.0.0.0:10249
* Add firewall rules to allow Prometheus (resides on a worker) to
scrape kube-proxy service endpoints on controllers or workers
* Add a clusterIP: None service for kube-proxy endpoint discovery
2020-01-06 21:11:18 -08:00
b2eb3e05d0 Disable Kubelet 127.0.0.1.10248 healthz endpoint
* Kubelet runs a healthz server listening on 127.0.0.1:10248
by default. Its unused by Typhoon and can be disabled
* https://kubernetes.io/docs/reference/command-line-tools-reference/kubelet/
2019-12-29 11:23:25 -08:00
f1f4cd6fc0 Inline Container Linux kubelet.service, deprecate kubelet-wrapper
* Change kubelet.service on Container Linux nodes to ExecStart Kubelet
inline to replace the use of the host OS kubelet-wrapper script
* Express rkt run flags and volume mounts in a clear, uniform way to
make the Kubelet service easier to audit, manage, and understand
* Eliminate reliance on a Container Linux kubelet-wrapper script
* Typhoon for Fedora CoreOS developed a kubelet.service that similarly
uses an inline ExecStart (except with podman instead of rkt) and a
more minimal set of volume mounts. Adopt the volume improvements:
  * Change Kubelet /etc/kubernetes volume to read-only
  * Change Kubelet /etc/resolv.conf volume to read-only
  * Remove unneeded /var/lib/cni volume mount

Background:

* kubelet-wrapper was added in CoreOS around the time of Kubernetes v1.0
to simplify running a CoreOS-built hyperkube ACI image via rkt-fly. The
script defaults are no longer ideal (e.g. rkt's notion of trust dates
back to quay.io ACI image serving and signing, which informed the OCI
standard images we use today, though they still lack rkt's signing ideas).
* Shipping kubelet-wrapper was regretted at CoreOS, but remains in the
distro for compatibility. The script is not updated to track hyperkube
changes, but it is stable and kubelet.env overrides bridge most gaps
* Typhoon Container Linux nodes have used kubelet-wrapper to rkt/rkt-fly
run the Kubelet via the official k8s.gcr.io hyperkube image using overrides
(new image registry, new image format, restart handling, new mounts, new
entrypoint in v1.17).
* Observation: Most of what it takes to run a Kubelet container is defined
in Typhoon, not in kubelet-wrapper. The wrapper's value is now undermined
by having to workaround its dated defaults. Typhoon may be better served
defining Kubelet.service explicitly
* Typhoon for Fedora CoreOS developed a kubelet.service without the use
of a host OS kubelet-wrapper which is both clearer and eliminated some
volume mounts
2019-12-29 11:17:26 -08:00
50db3d0231 Rename CLC files and favor Terraform list index syntax
* Rename Container Linux Config (CLC) files to *.yaml to align
with Fedora CoreOS Config (FCC) files and for syntax highlighting
* Replace common uses of Terraform `element` (which wraps around)
with `list[index]` syntax to surface index errors
2019-12-28 12:14:01 -08:00
11565ffa8a Update Calico from v3.10.2 to v3.11.1
* https://docs.projectcalico.org/v3.11/release-notes/
2019-12-28 11:08:03 -08:00
a4e843693f Update Prometheus from v2.15.0 to v2.15.1
* https://github.com/prometheus/prometheus/releases/tag/v2.15.1
2019-12-26 09:12:55 -05:00
f48e43c0b1 Update Prometheus from v2.14.0 to v2.15.0
* https://github.com/prometheus/prometheus/releases/tag/v2.15.0
2019-12-24 10:52:19 -05:00
daa8d9d9ec Update CoreDNS from v1.6.5 to v1.6.6
* https://coredns.io/2019/12/11/coredns-1.6.6-release/
2019-12-22 10:47:19 -05:00
52d11096dc Update kube-state-metrics from v1.9.0-rc.1 to v1.9.0
* https://github.com/kubernetes/kube-state-metrics/releases/tag/v1.9.0
* https://github.com/kubernetes/kube-state-metrics/releases/tag/v1.9.0-rc.1
* https://github.com/kubernetes/kube-state-metrics/releases/tag/v1.9.0-rc.0
2019-12-20 13:53:37 -08:00
00c431a9d2 Add Kubelet kubeconfig output for DigitalOcean
* Allow the raw kubelet kubeconfig to be consumed via
Terraform output
2019-12-18 23:20:55 -08:00
0ecb995890 Update kube-state-metrics from v1.8.0 to v1.9.0-rc.1
* https://github.com/kubernetes/kube-state-metrics/releases/tag/v1.9.0-rc.1
* https://github.com/kubernetes/kube-state-metrics/releases/tag/v1.9.0-rc.0
2019-12-14 17:20:49 -08:00
1b9fa2e688 Update Grafana from v6.5.1 to v6.5.2
* https://github.com/grafana/grafana/releases/tag/v6.5.2
2019-12-14 15:25:48 -08:00
2d8e367664 Update mkdocs-material from v4.5.1 to v4.6.0 2019-12-14 15:02:28 -08:00
c3e22f3d13 Fix minor example typo in README 2019-12-10 23:14:12 -08:00
f69dc2ea0f Update CHANGES and tutorial notes for release
* Update recommended Terraform and provider plugin versions
* Update the rough count of resources created per cluster
since its not been refreshed in a while (will vary based
on cluster options)
2019-12-10 23:03:39 -08:00
c0ce04e1de Update Calico from v3.10.1 to v3.10.2
* https://docs.projectcalico.org/v3.10/release-notes/
2019-12-09 21:03:00 -08:00
ed3550dce1 Update systemd services for the v0.17.x hyperkube
* Binary asset locations within the upstream hyperkube image
changed https://github.com/kubernetes/kubernetes/pull/84662
* Fix Container Linux and Flatcar Linux kubelet.service
(rkt-fly with fairly dated CoreOS kubelet-wrapper)
* Fix Fedora CoreOS kubelet.service (podman)
* Fix Fedora CoreOS bootstrap.service
* Fix delete-node kubectl usage for workers where nodes may
delete themselves on shutdown (e.g. preemptible instances)
2019-12-09 18:39:17 -08:00
de36d99afc Update Kubernetes from v1.16.3 to v1.17.0
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.17.md/#v1170
2019-12-09 18:31:58 -08:00
4fce9485c8 Reduce kube-controller-manager pod eviction timeout from 5m to 1m
* Reduce time to delete pods on unready nodes from 5m to 1m
* Present since v1.13.3, but mistakenly removed in v1.16.0 static
pod control plane migration

Related:

* https://github.com/poseidon/terraform-render-bootstrap/pull/148
* https://github.com/poseidon/terraform-render-bootstrap/pull/164
2019-12-08 22:58:31 -08:00
178afe4a9b Reduce apiserver metrics cardinality and extraneous labels
* Stop mapping node labels to targets discovered via Kubernetes
nodes (e.g. etcd, kubelet, cadvisor). It is rarely useful to
store node labels (e.g. kubernetes.io/os=linux) on these metrics
* kube-apiserver's apiserver_request_duration_seconds_bucket metric
has a high cardinality that includes labels for the API group, verb,
scope, resource, and component for each object type, including for
each CRD. This one metric has ~10k time series in a typical cluster
(btw 10-40% of total)
* Removing the apiserver request duration outright would make latency
alerts a NoOp and break a Grafana apiserver panel. Instead, drop series
that have a "group" label. Effectively, only request durations for
core Kubernetes APIs will be kept (e.g. cardinality won't grow with
each CRD added). This reduces the metric to ~2k unique series
2019-12-08 22:48:25 -08:00
d9c7a9e049 Add/update docs for asset_dir and kubeconfig usage
* Original tutorials favored including the platform (e.g.
google-cloud) in modules (e.g. google-cloud-yavin). Prefer
naming conventions where each module / cluster has a simple
name (e.g. yavin) since the platform is usually redundant
* Retain the example cluster naming themes per platform
2019-12-05 22:56:42 -08:00
2837275265 Introduce cluster creation without local writes to asset_dir
* Allow generated assets (TLS materials, manifests) to be
securely distributed to controller node(s) via file provisioner
(i.e. ssh-agent) as an assets bundle file, rather than relying
on assets being locally rendered to disk in an asset_dir and
then securely distributed
* Change `asset_dir` from required to optional. Left unset,
asset_dir defaults to "" and no assets will be written to
files on the machine that runs terraform apply
* Enhancement: Managed cluster assets are kept only in Terraform
state, which supports different backends (GCS, S3, etcd, etc) and
optional encryption. terraform apply accesses state, runs in-memory,
and distributes sensitive materials to controllers without making
use of local disk (simplifies use in CI systems)
* Enhancement: Improve asset unpack and layout process to position
etcd certificates and control plane certificates more cleanly,
without unneeded secret materials

Details:

* Terraform file provisioner support for distributing directories of
contents (with unknown structure) has been limited to reading from a
local directory, meaning local writes to asset_dir were required.
https://github.com/poseidon/typhoon/issues/585 discusses the problem
and newer or upcoming Terraform features that might help.
* Observation: Terraform provisioner support for single files works
well, but iteration isn't viable. We're also constrained to Terraform
language features on the apply side (no extra plugins, no shelling out)
and CoreOS / Fedora tools on the receive side.
* Take a map representation of the contents that would have been splayed
out in asset_dir and pack/encode them into a single file format devised
for easy unpacking. Use an awk one-liner on the receive side to unpack.
In pratice, this has worked well and its rather nice that a single
assets file is transferred by file provisioner (all or none)

Rel: https://github.com/poseidon/terraform-render-bootstrap/pull/162
2019-12-05 01:24:50 -08:00
5fa002f4f7 Update mkdocs-material from v4.5.0 to v4.5.1 2019-12-02 21:21:16 -08:00
aa275796cb Fix DigitalOcean controller and worker ipv4/ipv6 outputs (#594)
* Fix controller and worker ipv4/ipv4 outputs to be lists of strings
* With Terraform v0.11 syntax, an enclosing list was required to coerce the
output to be a list of strings
* With Terraform v0.12 syntax, the enclosing list shouldn't be needed
2019-12-02 21:20:47 -08:00
26674083b6 Update Grafana from v6.5.0 to v6.5.1
* https://github.com/grafana/grafana/releases/tag/v6.5.1
2019-11-28 14:11:25 -08:00
030a4cec19 Update Grafana from v6.4.4 to v6.5.0
* https://grafana.com/docs/guides/whats-new-in-v6-5/
2019-11-25 22:45:58 -08:00
ddea7dc452 Use new resource dashboards in Grafana deployment
* kubernetes-mixin pod resource dashboards were split into
two ConfigMap parts because they provide richer networking
details
* New dashboards have been used by the author at the global
level, but were missing in the per-cluster Grafana tracked
here
2019-11-25 22:27:11 -08:00
4b485a9bf2 Fix recent deletion of bootstrap module pinned SHA
* Fix deletion of bootstrap module pinned SHA, which was
introduced recently through an automation mistake creating
https://github.com/poseidon/typhoon/pull/589
2019-11-21 22:34:09 -08:00
4704b494f0 Update mkdocs-material from v4.4.3 to v4.4.0
* Upgrade dependency packages as well
2019-11-18 23:05:29 -08:00
525ae23305 Add node-exporter alerts and Grafana dashboard
* Add Prometheus alerts from node-exporter
* Add Grafana dashboard nodes.json, from node-exporter
* Not adding recording rules, since those are only used
by some node-exporter USE dashboards not being included
2019-11-16 13:47:20 -08:00
8a9e8595ae Fix terraform fmt formatting 2019-11-13 23:44:02 -08:00
19ee57dc04 Use GCP region_instance_group_manager version block format
* terraform-provider-google v2.19.0 deprecates `instance_template`
within `google_compute_region_instance_group_manager` in order to
support a scheme with multiple version blocks. Adapt our single
version to the new format to resolve deprecation warnings.
* Fixes: Warning: "instance_template": [DEPRECATED] This field
will be replaced by `version.instance_template` in 3.0.0
* Require terraform-provider-google v2.19.0+ (action required)
2019-11-13 17:41:13 -08:00
0e4ee5efc9 Add small CPU resource requests to static pods
* Set small CPU requests on static pods kube-apiserver,
kube-controller-manager, and kube-scheduler to align with
upstream tooling and for edge cases
* Effectively, a practical case for these requests hasn't been
observed. However, a small static pod CPU request may offer
a slight benefit if a controller became overloaded and the
below mechanisms were insufficient

Existing safeguards:

* Control plane nodes are tainted to isolate them from
ordinary workloads. Even dense workloads can only compress
CPU resources on worker nodes.
* Control plane static pods use the highest priority class, so
contention favors control plane pods (over say node-exporter)
and CPU is compressible too.

See: https://github.com/poseidon/terraform-render-bootstrap/pull/161
2019-11-13 17:18:45 -08:00
a271b9f340 Update CoreDNS from v1.6.2 to v1.6.5
* Add health `lameduck` option 5s. Before CoreDNS shuts down, it will
wait and report unhealthy for 5s to allow time for plugins to shutdown
cleanly
* Minor bug fixes over a few releases
* https://coredns.io/2019/08/31/coredns-1.6.3-release/
* https://coredns.io/2019/09/27/coredns-1.6.4-release/
* https://coredns.io/2019/11/05/coredns-1.6.5-release/
2019-11-13 16:47:44 -08:00
cb0598e275 Adopt Terraform v0.12 templatefile function
* Update terraform-render-bootstrap module to adopt the
Terrform v0.12 templatefile function feature to replace
the use of terraform-provider-template's `template_dir`
* Require Terraform v0.12.6+ which adds `for_each`

Background:

* `template_dir` was added to `terraform-provider-template`
to add support for template directory rendering in CoreOS
Tectonic Kubernetes distribution (~2017)
* Terraform v0.12 introduced a native `templatefile` function
and v0.12.6 introduced native `for_each` support (July 2019)
that makes it possible to replace `template_dir` usage
2019-11-13 16:33:36 -08:00
ad117f4592 Update recommended Terraform provider versions
* Recommend provider plugin version tested against
2019-11-13 13:53:46 -08:00
42b6df89c8 Update Prometheus from v2.14.0-rc.0 to v2.14.0
* https://github.com/prometheus/prometheus/releases/tag/v2.14.0
2019-11-13 13:41:11 -08:00
d7061020ba Update Kubernetes from v1.16.2 to v1.16.3
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.16.md#v1163
2019-11-13 13:05:15 -08:00
a8b7792338 Update Grafana from v6.4.3 to v6.4.4
* https://github.com/grafana/grafana/releases/tag/v6.4.4
2019-11-07 12:00:25 -08:00
a3807086d4 Update Prometheus from v2.13.1 to v2.14.0-rc.0
* Happy PromCon 2019!
* https://github.com/prometheus/prometheus/releases/tag/v2.14.0-rc.0
2019-11-07 11:48:23 -08:00
2c163503f1 Update etcd from v3.4.2 to v3.4.3
* etcd v3.4.3 builds with Go v1.12.12 instead of v1.12.9
and adds a few minor metrics fixes
* https://github.com/etcd-io/etcd/compare/v3.4.2...v3.4.3
2019-11-07 11:41:01 -08:00
0034a15711 Update Calico from v3.10.0 to v3.10.1
* https://docs.projectcalico.org/v3.10/release-notes/
2019-11-07 11:38:32 -08:00
38957163cb Output resource_group_id in Azure (#577)
* Add an output variable `resource_group_id` to the azure module
2019-10-31 01:05:04 -07:00
d4573092b5 Improve Kubelet and Compute Resource dashboards
* Add cluster filter to Kubelet dashboard
* Add network details in resource dashboards
* https://github.com/kubernetes-monitoring/kubernetes-mixin/pull/275
* https://github.com/kubernetes-monitoring/kubernetes-mixin/pull/284
* https://github.com/kubernetes-monitoring/kubernetes-mixin/pull/285
2019-10-28 02:22:15 -07:00
4775e9d0f7 Upgrade Calico v3.9.2 to v3.10.0
* Allow advertising Kubernetes service ClusterIPs to BGPPeer
routers via a BGPConfiguration
* Improve EdgeRouter docs about routes and BGP
* https://docs.projectcalico.org/v3.10/release-notes/
* https://docs.projectcalico.org/v3.10/networking/advertise-service-ips
2019-10-27 14:13:41 -07:00
d418045929 Switch kube-proxy from iptables mode to ipvs mode
* Kubernetes v1.11 considered kube-proxy IPVS mode GA
* Many problems were found #321
* Since then, major blockers seem to have been addressed
2019-10-27 00:37:41 -07:00
eb7b6d39f2 Improve minor aspects of CoreDNS and nginx-ingress dashboards
* Add default 10s refresh rate to custom dashboards to match
those from Kubernetes
* Show labels for "instance" as "pod" for clarity
* Add cluster filter for internal use
2019-10-20 23:16:55 -07:00
33d4c2fd68 Add explicit annotation for Prometheus port to scrape
* Without the prometheus.io/port annotation, Prometheus
service discovery can scrape other Prometheus ports that
may be available.
* For example, Prometheus sidecars (not included) may
be scraped and that may be unintended
2019-10-20 16:05:09 -07:00
de90cb9246 Remove kube-state-metrics addon-resizer
* addon-resizer is outdated and has been dropped from
kube-state-metrics examples. Those using it should look
to the cluster-proportional-vertical-autoscaler.
* Eliminate addon-resizer log spew
* Remove associated Role and RoleBinding
* Also fix kube-state-metrics readinessProbe port
2019-10-20 16:03:29 -07:00
68da420adc Refresh Prometheus rules/alerts and Grafana dashboards
* Update Prometheus rules/alerts and Grafana dashboards
* Remove dashboards that were moved to node-exporter, they
may be added back later if valuable
* Remove kube-prometheus based rules/alerts (ClockSkew alert)
2019-10-19 17:43:47 -07:00
130c97f8eb Update Prometheus from v2.13.0 to v2.13.1
* https://github.com/prometheus/prometheus/releases/tag/v2.13.1
2019-10-18 00:10:25 -07:00
271d2f6b52 Update Grafana from v6.4.2 to v6.4.3
* https://github.com/grafana/grafana/releases/tag/v6.4.3
2019-10-18 00:08:39 -07:00
0595915a19 Cleanup CHANGES notes 2019-10-15 23:25:45 -07:00
e6bc5143aa Default to Calico as the CNI provider on Azure/DigitalOcean
* Change `networking` default from flannel to calico on
Azure and DigitalOcean
* AWS, bare-metal, and Google Cloud continue to default
to Calico (as they have since v1.7.5)
* Typhoon now defaults to using Calico and supporting
NetworkPolicy on all platforms
2019-10-15 23:15:40 -07:00
e4ac1027c8 Update Grafana from v6.4.1 to v6.4.2
* https://github.com/grafana/grafana/releases/tag/v6.4.2
2019-10-15 22:58:43 -07:00
24fc440d83 Update Kubernetes from v1.16.1 to v1.16.2
* Update Calico from v3.9.1 to v3.9.2
2019-10-15 22:42:52 -07:00
a6702573a2 Update etcd from v3.4.1 to v3.4.2
* https://github.com/etcd-io/etcd/releases/tag/v3.4.2
2019-10-15 00:06:15 -07:00
69188af565 Rename CLUO label from "app" to "name"
* Match the labeling pattern in other addons
2019-10-15 00:05:02 -07:00
d874bdd17d Update bootstrap module control plane manifests and type constraints
* Remove unneeded control plane flags that correspond to defaults
* Adopt Terraform v0.12 type constraints in bootstrap module
2019-10-06 21:09:30 -07:00
5b9dab6659 Introduce list of detail objects for bare-metal machines
* Define bare-metal `controllers` and `workers` as a complex type
list(object{name=string, mac=string, domain=string}) to allow
clusters with many machines to be defined more cleanly
* Remove `controller_names` list variable
* Remove `controller_macs` list variable
* Remove `controller_domains` list variable
* Remove `worker_names` list variable
* Remove `worker_macs` list variable
* Remove `worker_domains` list variable
2019-10-06 20:22:45 -07:00
5196709fe0 Update docs, CHANGES, and mkdocs-material
* Update mkdocs-material from v4.4.2 to v4.4.3
* Update recommended Terraform provider versions
* Cleanup the changelog before release
2019-10-06 18:41:25 -07:00
ab72f1ab2d Update Prometheus from v2.12.0 to v2.13.0
* https://github.com/prometheus/prometheus/releases/tag/v2.13.0
2019-10-06 18:22:20 -07:00
5ef4155e08 Detect most recent Fedora CoreOS AMI in region
* Detect the most recent Fedora CoreOS AMI to allow usage
of Fedora CoreOS in supported regions (previously just
us-east-1)
* Unpin the Fedora CoreOS AMI image which was pinned to
images that had been checked. This does mean if Fedora
publishes a broken image, it will be selected
* Filter out "dev" images which have similar naming
2019-10-06 18:13:55 -07:00
15c4b793c3 Use new Fedora CoreOS kernel/initrd/raw asset names
* Fedora CoreOS changed the kernel, initramfs, and raw
image asset download paths and names in 30.20191002.0
2019-10-06 17:31:21 -07:00
36ed53924f Add stricter types for bare-metal modules
* Review variables available in bare-metal kubernetes modules
for Container Linux and Fedora CoreOS
* Deprecate cluster_domain_suffix variable
* Remove deprecated container_linux_oem variable
2019-10-06 17:18:50 -07:00
19de38b30d Fix Prometheus etcd metrics scraping
* Prometheus was configured to use kubernetes discovery
of etcd targets based on nodes matching the node label
node-role.kubernetes.io/controller=true
* Kubernetes v1.16 stopped permitting node role labels
node-role.kubernetes.io/* so Typhoon renamed these labels
(no longer any association with roles) to
node.kubermetes.io/controller=true
* As a result, Prometheus didn't discover etcd targets,
etcd metrics were missing, etcd alerts were ineffective,
and the etcd Grafana dashboard was empty
* Introduced: https://github.com/poseidon/typhoon/pull/543
2019-10-03 19:07:05 -07:00
995824fa6d Add stricter types for DigitalOcean module
* Review variables available in DigitalOcean kubernetes
module and sync with documentation
* Promote Calico for DigitalOcean and Azure beyond experimental
(its the primary mode I've used since it was introduced)
2019-10-02 21:48:24 -07:00
1c5ed84fc2 Update Kubernetes from v1.16.0 to v1.16.1
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.16.md#v1161
2019-10-02 21:31:55 -07:00
ca7d62720e Update Grafana from v6.3.6 to v6.4.1
* https://github.com/grafana/grafana/releases/tag/v6.4.1
2019-10-02 20:36:05 -07:00
26f8d76755 Update kube-state-metrics from v1.7.2 to v1.8.0
* https://github.com/kubernetes/kube-state-metrics/releases/tag/v1.8.0
2019-10-01 20:50:33 -07:00
fdd6882a87 Add stricter types to Azure modules
* Review variables available in Azure kubernetes and workers
modules and sync with documentation
* Fix internal workers module default type to Standard_DS1_v2
2019-09-30 22:20:20 -07:00
f82266ac8c Add stricter types for GCP modules
* Review variables available in google-cloud kubernetes
and workers modules and in documentation
2019-09-30 22:04:35 -07:00
7bcf2d7831 Update nginx-ingress from v0.25.1 to v0.26.1
* Add lifecycle hook to allow draining connections for
up to 5 minutes
2019-09-30 22:01:07 -07:00
78bfff0afe Update Fedora CoreOS to testing 30.20190905.0
* Fix duplicated cluster_domain_suffix variable
2019-09-29 11:34:31 -07:00
a6de245d8a Rename bootkube.tf to bootstrap.tf
* Typhoon no longer uses the bootkube project
2019-09-29 11:30:49 -07:00
96afa6a531 Update Calico from v3.8.2 to v3.9.1
* https://docs.projectcalico.org/v3.9/release-notes/
2019-09-29 11:22:53 -07:00
a407ff72df Add stricter types for AWS modules and update docs
* Review variables available in AWS kubernetes and workers
modules and documentation
* Switching between spot and on-demand has worked since
Terraform v0.12
* Generally, there are too many knobs. Less useful ones
should be de-emphasized or removed
* Remove `cluster_domain_suffix` documentation
2019-09-29 11:19:38 -07:00
f453c54956 Update Grafana from v6.3.5 to v6.3.6
* https://github.com/grafana/grafana/releases/tag/v6.3.6
2019-09-28 15:13:46 -07:00
3e34fb075b Update etcd from v3.4.0 to v3.4.1
* https://github.com/etcd-io/etcd/releases/tag/v3.4.1
2019-09-28 15:09:57 -07:00
9bfb1c5faf Update docs and variable types for worker node_labels
* Document worker pools `node_labels` variable to set the
initial node labels for a homogeneous set of workers
* Document `worker_node_labels` convenience variable to
set the initial node labels for default worker nodes
2019-09-28 15:05:12 -07:00
99ab81f79c Add node_labels variable in workers modules to set initial node labels (#550)
* Also add `worker_node_labels` variable in `kubernetes` modules to set
initial node labels for the default workers
2019-09-28 14:59:24 -07:00
8703f2c3c5 Fix missing comma separator on bare-metal and DO
* Introduced in bare-metal and DigitalOcean in #544
while addressing possible ordering race, but after
the v1.16 upgrade validation
2019-09-23 11:05:26 -07:00
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@ -4,6 +4,198 @@ Notable changes between versions.
## Latest
* Kubernetes [v1.17.3](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.17.md#v1173)
* Update Calico from v3.11.2 to v3.12.0
* Allow Fedora CoreOS clusters to pass CNCF conformance suite
* Set Docker log driver to `json-file` as a workaround
#### AWS
* Promote Fedora CoreOS to beta
#### Bare-Metal
* Promote Fedora CoreOS to beta
* Add Fedora CoreOS kernel arguments initrd and console ([#640](https://github.com/poseidon/typhoon/pull/640))
#### Google Cloud
* Add initial Terraform module for Fedora CoreOS ([#632](https://github.com/poseidon/typhoon/pull/632))
* Add initial support for Flatcar Container Linux ([#639](https://github.com/poseidon/typhoon/pull/639))
#### Addons
* Update nginx-ingress from v0.27.1 to v0.28.0
* Update kube-state-metrics from v1.9.3 to v1.9.4
* Update Grafana from v6.5.3 to v6.6.1
## v1.17.2
* Kubernetes [v1.17.2](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.17.md#v1172)
#### AWS
* Promote Fedora CoreOS from preview to alpha
#### Bare-Metal
* Promote Fedora CoreOS from preview to alpha
* Update Fedora CoreOS images location
* Use Fedora CoreOS production [download](https://getfedora.org/coreos/download/) streams
* Use live PXE kernel and initramfs images
#### Addons
* Update nginx-ingress from v0.26.1 to [v0.27.1](https://github.com/kubernetes/ingress-nginx/releases/tag/nginx-0.27.1) ([#625](https://github.com/poseidon/typhoon/pull/625))
* Change runAsUser from 33 to 101 for alpine-based image
* Update kube-state-metrics from v1.9.2 to v1.9.3
## v1.17.1
* Kubernetes [v1.17.1](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.17.md#v1171)
* Update CoreDNS from v1.6.5 to [v1.6.6](https://coredns.io/2019/12/11/coredns-1.6.6-release/) ([#602](https://github.com/poseidon/typhoon/pull/602))
* Update Calico from v3.10.2 to v3.11.2 ([#604](https://github.com/poseidon/typhoon/pull/604))
* Inline Kubelet service on Container Linux nodes ([#606](https://github.com/poseidon/typhoon/pull/606))
* Disable unused Kubelet `127.0.0.1:10248` healthz listener ([#607](https://github.com/poseidon/typhoon/pull/607))
* Enable kube-proxy metrics and allow Prometheus scrapes
* Allow TCP/10249 traffic with worker node sources
#### AWS
* Update Fedora CoreOS AMI filter for fedora-coreos-31 ([#620](https://github.com/poseidon/typhoon/pull/620))
#### Google
* Allow `terraform-provider-google` v3.0+ ([#617](https://github.com/poseidon/typhoon/pull/617))
* Only enforce `v2.19+` to ease migration, as no v3.x features are used
#### Addons
* Update Prometheus from v2.14.0 to [v2.15.2](https://github.com/prometheus/prometheus/releases/tag/v2.15.2)
* Add discovery for kube-proxy service endpoints
* Update kube-state-metrics from v1.8.0 to v1.9.2
* Reduce node-exporter DaemonSet tolerations ([#614](https://github.com/poseidon/typhoon/pull/614))
* Update Grafana from v6.5.1 to v6.5.3
## v1.17.0
* Kubernetes [v1.17.0](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.17.md#v1170)
* Manage clusters without using a local `asset_dir` ([#595](https://github.com/poseidon/typhoon/pull/595))
* Change `asset_dir` to be optional. Remove the variable to skip writing assets locally (**action recommended**)
* Allow keeping cluster assets only in Terraform state ([pluggable](https://www.terraform.io/docs/backends/types/remote.html), encryption) and allow `terraform apply` from stateless automation systems
* Improve asset unpacking on controllers
* Obtain kubeconfig from Terraform module outputs
* Replace usage of `template_dir` with `templatefile` function ([#587](https://github.com/poseidon/typhoon/pull/587))
* Require Terraform version v0.12.6+ (**action required**)
* Update CoreDNS from v1.6.2 to v1.6.5 ([#588](https://github.com/poseidon/typhoon/pull/588))
* Add health `lameduck` option to wait before shutdown
* Update Calico from v3.10.1 to v3.10.2 ([#599](https://github.com/poseidon/typhoon/pull/599))
* Reduce pod eviction timeout for deleting pods on unready nodes from 5m to 1m ([#597](https://github.com/poseidon/typhoon/pull/597))
* Present since [v1.13.3](#v1133), but mistakenly removed in v1.16.0
* Add CPU requests for control plane static pods ([#589](https://github.com/poseidon/typhoon/pull/589))
* May provide slight edge case benefits and aligns with upstream
#### Google
* Use new `google_compute_region_instance_group_manager` version block format
* Fixes warning that `instance_template` is deprecated
* Require `terraform-provider-google` v2.19.0+ (**action required**)
#### Addons
* Update Grafana from v6.4.4 to [v6.5.1](https://grafana.com/docs/guides/whats-new-in-v6-5/)
* Add pod networking details in dashboards ([#593](https://github.com/poseidon/typhoon/pull/593))
* Add node alerts and Grafana dashboard from node-exporter ([#591](https://github.com/poseidon/typhoon/pull/591))
* Reduce Prometheus high cardinality time series ([#596](https://github.com/poseidon/typhoon/pull/596))
## v1.16.3
* Kubernetes [v1.16.3](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.16.md#v1163)
* Update etcd from v3.4.2 to v3.4.3 ([#582](https://github.com/poseidon/typhoon/pull/582))
* Upgrade Calico from v3.9.2 to [v3.10.1](https://docs.projectcalico.org/v3.10/release-notes/)
* Allow advertising service ClusterIPs to peer routers via a [BGPConfiguration](https://docs.projectcalico.org/v3.10/networking/advertise-service-ips)
* Switch `kube-proxy` from iptables to ipvs mode ([#574](https://github.com/poseidon/typhoon/pull/574))
#### Addons
* Update Prometheus from v2.13.0 to [v2.14.0](https://github.com/prometheus/prometheus/releases/tag/v2.14.0)
* Refresh rules, alerts, and dashboards from upstreams
* Remove addon-resizer from kube-state-metrics ([#575](https://github.com/poseidon/typhoon/pull/575))
* Update Grafana from v6.4.2 to v6.4.4
## v1.16.2
* Kubernetes [v1.16.2](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.16.md#v1162)
* Update etcd from v3.4.1 to v3.4.2 ([#570](https://github.com/poseidon/typhoon/pull/570))
* Update Calico from v3.9.1 to [v3.9.2](https://docs.projectcalico.org/v3.9/release-notes/)
* Default to using Calico and supporting NetworkPolicy on all platforms
#### Azure
* Change default networking provider from "flannel" to "calico" ([#573](https://github.com/poseidon/typhoon/pull/573))
#### Bare-Metal
* Add `controllers` and `workers` as typed lists of machine detail objects ([#566](https://github.com/poseidon/typhoon/pull/566))
* Define clusters' machines cleanly and with Terraform v0.12 type constraints (**action required**, see PR example)
* Remove `controller_names`, `controller_macs`, and `controller_domains` variables
* Remove `worker_names`, `worker_macs`, and `worker_domains` variables
#### DigitalOcean
* Change default networking provider from "flannel" to "calico" ([#573](https://github.com/poseidon/typhoon/pull/573))
#### Addons
* Update Grafana from v6.4.1 to [v6.4.2](https://github.com/grafana/grafana/releases/tag/v6.4.2)
* Change CLUO label from "app" to "name"
## v1.16.1
* Kubernetes [v1.16.1](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.16.md#v1161)
* Update etcd from v3.4.0 to [v3.4.1](https://github.com/etcd-io/etcd/releases/tag/v3.4.1)
* Update Calico from v3.8.2 to [v3.9.1](https://docs.projectcalico.org/v3.9/release-notes/)
* Add Terraform v0.12 variables types ([#553](https://github.com/poseidon/typhoon/pull/553), [#557](https://github.com/poseidon/typhoon/pull/557), [#560](https://github.com/poseidon/typhoon/pull/560), [#556](https://github.com/poseidon/typhoon/pull/556), [#562](https://github.com/poseidon/typhoon/pull/562))
* Deprecate `cluster_domain_suffix` variable
#### AWS
* Add `worker_node_labels` variable to set initial worker node labels ([#550](https://github.com/poseidon/typhoon/pull/550))
* Add `node_labels` variable to internal `workers` pool module ([#550](https://github.com/poseidon/typhoon/pull/550))
* For Fedora CoreOS, detect most recent AMI in the region
#### Azure
* Promote `networking` provider Calico VXLAN out of experimental (set `networking = "calico"`)
* Add `worker_node_labels` variable to set initial worker node labels ([#550](https://github.com/poseidon/typhoon/pull/550))
* Add `node_labels` variable to internal `workers` pool module ([#550](https://github.com/poseidon/typhoon/pull/550))
* Change `workers` module default `vm_type` to `Standard_DS1_v2` (followup to [#539](https://github.com/poseidon/typhoon/pull/539))
#### Bare-Metal
* For Fedora CoreOS, use new kernel, initrd, and raw paths ([#563](https://github.com/poseidon/typhoon/pull/563))
* Fix Terraform missing comma error ([#549](https://github.com/poseidon/typhoon/pull/549))
* Remove deprecated `container_linux_oem` variable ([#562](https://github.com/poseidon/typhoon/pull/562))
#### DigitalOcean
* Promote `networking` provider Calico VXLAN out of experimental (set `networking = "calico"`)
* Fix Terraform missing comma error ([#549](https://github.com/poseidon/typhoon/pull/549))
#### Google Cloud
* Add `worker_node_labels` variable to set initial worker node labels ([#550](https://github.com/poseidon/typhoon/pull/550))
* Add `node_labels` variable to internal `workers` module ([#550](https://github.com/poseidon/typhoon/pull/550))
#### Addons
* Update Prometheus from v2.12.0 to [v2.13.0](https://github.com/prometheus/prometheus/releases/tag/v2.13.0)
* Fix Prometheus etcd target discovery and scraping ([#561](https://github.com/poseidon/typhoon/pull/561), regressed with Kubernetes v1.16.0)
* Update kube-state-metrics from v1.7.2 to v1.8.0
* Update nginx-ingress from v0.25.1 to [v0.26.1](https://github.com/kubernetes/ingress-nginx/releases/tag/nginx-0.26.1) ([#555](https://github.com/poseidon/typhoon/pull/555))
* Add lifecycle hook to allow draining for up to 5 minutes
* Update Grafana from v6.3.5 to [v6.4.1](https://github.com/grafana/grafana/releases/tag/v6.4.1)
## v1.16.0
* Kubernetes [v1.16.0](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.16.md#v1160) ([#543](https://github.com/poseidon/typhoon/pull/543))
@ -107,7 +299,7 @@ Notable changes between versions.
* Require `terraform-provider-azurerm` v1.27+ to support Terraform v0.12 (action required)
* Avoid unneeded rotations of Regular priority virtual machine scale sets
* Azure only allows `eviction_policy` to be set for Low priority VMs. Supporting Low priority VMs meant when Regular VMs were used, each `terraform apply` rolled workers, to set eviction_policy to null.
* Terraform v0.12 nullable variables fix the issue so plan does not produce a diff.
* Terraform v0.12 nullable variables fix the issue so plan does not produce a diff.
#### Bare-Metal
@ -162,7 +354,7 @@ Notable changes between versions.
* Update Grafana from v6.1.6 to v6.2.1
## v1.14.2
* Kubernetes [v1.14.2](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.14.md#v1142)
* Update etcd from v3.3.12 to [v3.3.13](https://github.com/etcd-io/etcd/releases/tag/v3.3.13)
* Upgrade Calico from v3.6.1 to [v3.7.2](https://docs.projectcalico.org/v3.7/release-notes/)
@ -233,7 +425,7 @@ Notable changes between versions.
* Add ability to load balance TCP/UDP applications ([#442](https://github.com/poseidon/typhoon/pull/442))
* Add worker instances to a target pool, output as `worker_target_pool`
* Health check for workers with Ingress controllers. Forward rules don't support differing internal/external ports, but some Ingress controllers support TCP/UDP proxy as a workaround
* Health check for workers with Ingress controllers. Forward rules don't support differing internal/external ports, but some Ingress controllers support TCP/UDP proxy as a workaround
* Remove Haswell minimum CPU platform requirement ([#439](https://github.com/poseidon/typhoon/pull/439))
* Google Cloud API implements `min_cpu_platform` to mean "use exactly this CPU". Revert [#405](https://github.com/poseidon/typhoon/pull/405) added in v1.13.4.
* Fix error creating clusters in new regions without Haswell (e.g. europe-west2) ([#438](https://github.com/poseidon/typhoon/issues/438))
@ -418,7 +610,7 @@ Notable changes between versions.
* Update Calico from v3.3.0 to [v3.3.1](https://docs.projectcalico.org/v3.3/releases/)
* Disable Felix usage reporting by default ([#345](https://github.com/poseidon/typhoon/pull/345))
* Improve flannel manifests
* [Rename](https://github.com/poseidon/terraform-render-bootkube/commit/d045a8e6b8eccfbb9d69bb51953b5a93d23f67f7) `kube-flannel` DaemonSet to `flannel` and `kube-flannel-cfg` ConfigMap to `flannel-config`
* [Rename](https://github.com/poseidon/terraform-render-bootkube/commit/d045a8e6b8eccfbb9d69bb51953b5a93d23f67f7) `kube-flannel` DaemonSet to `flannel` and `kube-flannel-cfg` ConfigMap to `flannel-config`
* [Drop](https://github.com/poseidon/terraform-render-bootkube/commit/39f9afb3360ec642e5b98457c8bd07eda35b6c96) unused mounts and add a CPU resource request
* Update CoreDNS from v1.2.4 to [v1.2.6](https://coredns.io/2018/11/05/coredns-1.2.6-release/)
* Enable CoreDNS `loop` and `loadbalance` plugins ([#340](https://github.com/poseidon/typhoon/pull/340))
@ -580,7 +772,7 @@ Notable changes between versions.
* Force apiserver to stop listening on `127.0.0.1:8080`
* Replace `kube-dns` with [CoreDNS](https://coredns.io/) ([#261](https://github.com/poseidon/typhoon/pull/261))
* Edit the `coredns` ConfigMap to [customize](https://coredns.io/plugins/)
* CoreDNS doesn't use a resizer. For large clusters, scaling may be required.
* CoreDNS doesn't use a resizer. For large clusters, scaling may be required.
#### AWS
@ -625,7 +817,7 @@ Notable changes between versions.
* Switch `kube-apiserver` port from 443 to 6443 ([#248](https://github.com/poseidon/typhoon/pull/248))
* Users who exposed kube-apiserver on a WAN via their router/load-balancer will need to adjust its configuration (e.g. DNAT 6443). Most apiservers are on a LAN (internal, VPN-only, etc) so if you didn't specially configure network gear for 443, no change is needed. (possible action required)
* Fix possible deadlock when provisioning clusters larger than 10 nodes ([#244](https://github.com/poseidon/typhoon/pull/244))
* Fix possible deadlock when provisioning clusters larger than 10 nodes ([#244](https://github.com/poseidon/typhoon/pull/244))
#### DigitalOcean
@ -693,7 +885,7 @@ Notable changes between versions.
* Please change values stable, beta, or alpha to coreos-stable, coreos-beta, coreos-alpha (**action required!**)
* Replace `container_linux_version` variable with `os_version`
* Add `network_ip_autodetection_method` variable for Calico host IPv4 address detection
* Use Calico's default "first-found" to support single NIC and bonded NIC nodes
* Use Calico's default "first-found" to support single NIC and bonded NIC nodes
* Allow [alternative](https://docs.projectcalico.org/v3.1/reference/node/configuration#ip-autodetection-methods) methods for multi NIC nodes, like can-reach=IP or interface=REGEX
* Deprecate `container_linux_oem` variable
@ -726,7 +918,7 @@ Notable changes between versions.
#### Google Cloud
* Add support for multi-controller clusters (i.e. multi-master) ([#54](https://github.com/poseidon/typhoon/issues/54), [#190](https://github.com/poseidon/typhoon/pull/190))
* Switch from Google Cloud network load balancer to a TCP proxy load balancer. Avoid a [bug](https://issuetracker.google.com/issues/67366622) in Google network load balancers that limited clusters to only bootstrapping one controller node.
* Switch from Google Cloud network load balancer to a TCP proxy load balancer. Avoid a [bug](https://issuetracker.google.com/issues/67366622) in Google network load balancers that limited clusters to only bootstrapping one controller node.
* Add TCP health check for apiserver pods on controllers. Replace kubelet check approximation.
#### Addons
@ -957,7 +1149,7 @@ Notable changes between versions.
* Container Linux stable, beta, and alpha now provide Docker 17.09 (instead
of 1.12)
* Older clusters (with CLUO addon) auto-update Container Linux version to begin using Docker 17.09
* Fix race where `etcd-member.service` could fail to resolve peers ([#69](https://github.com/poseidon/typhoon/pull/69))
* Fix race where `etcd-member.service` could fail to resolve peers ([#69](https://github.com/poseidon/typhoon/pull/69))
* Add optional `cluster_domain_suffix` variable (#74)
* Use kubernetes-incubator/bootkube v0.9.1

View File

@ -11,7 +11,7 @@ Typhoon distributes upstream Kubernetes, architectural conventions, and cluster
## Features <a href="https://www.cncf.io/certification/software-conformance/"><img align="right" src="https://storage.googleapis.com/poseidon/certified-kubernetes.png"></a>
* Kubernetes v1.16.0 (upstream)
* Kubernetes v1.17.3 (upstream)
* Single or multi-master, [Calico](https://www.projectcalico.org/) or [flannel](https://github.com/coreos/flannel) networking
* On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled, [network policy](https://kubernetes.io/docs/concepts/services-networking/network-policies/)
* Advanced features like [worker pools](https://typhoon.psdn.io/advanced/worker-pools/), [preemptible](https://typhoon.psdn.io/cl/google-cloud/#preemption) workers, and [snippets](https://typhoon.psdn.io/advanced/customization/#container-linux) customization
@ -23,18 +23,27 @@ Typhoon provides a Terraform Module for each supported operating system and plat
| Platform | Operating System | Terraform Module | Status |
|---------------|------------------|------------------|--------|
| AWS | Container Linux / Flatcar Linux | [aws/container-linux/kubernetes](aws/container-linux/kubernetes) | stable |
| AWS | Container Linux | [aws/container-linux/kubernetes](aws/container-linux/kubernetes) | stable |
| Azure | Container Linux | [azure/container-linux/kubernetes](azure/container-linux/kubernetes) | alpha |
| Bare-Metal | Container Linux / Flatcar Linux | [bare-metal/container-linux/kubernetes](bare-metal/container-linux/kubernetes) | stable |
| Bare-Metal | Container Linux | [bare-metal/container-linux/kubernetes](bare-metal/container-linux/kubernetes) | stable |
| Digital Ocean | Container Linux | [digital-ocean/container-linux/kubernetes](digital-ocean/container-linux/kubernetes) | beta |
| Google Cloud | Container Linux | [google-cloud/container-linux/kubernetes](google-cloud/container-linux/kubernetes) | stable |
A preview of Typhoon for [Fedora CoreOS](https://getfedora.org/coreos/) is available for testing.
Typhoon is available for [Fedora CoreOS](https://getfedora.org/coreos/).
| Platform | Operating System | Terraform Module | Status |
|---------------|------------------|------------------|--------|
| AWS | Fedora CoreOS | [aws/fedora-coreos/kubernetes](aws/fedora-coreos/kubernetes) | preview |
| Bare-Metal | Fedora CoreOS | [bare-metal/fedora-coreos/kubernetes](bare-metal/fedora-coreos/kubernetes) | preview |
| AWS | Fedora CoreOS | [aws/fedora-coreos/kubernetes](aws/fedora-coreos/kubernetes) | beta |
| Bare-Metal | Fedora CoreOS | [bare-metal/fedora-coreos/kubernetes](bare-metal/fedora-coreos/kubernetes) | beta |
| Google Cloud | Fedora CoreOS | [google-cloud/fedora-coreos/kubernetes](google-cloud/fedora-coreos/kubernetes) | alpha |
Typhoon is available for [Flatcar Container Linux](https://www.flatcar-linux.org/releases/).
| Platform | Operating System | Terraform Module | Status |
|---------------|------------------|------------------|--------|
| AWS | Flatcar Linux | [aws/container-linux/kubernetes](aws/container-linux/kubernetes) | stable |
| Bare-Metal | Flatcar Linux | [bare-metal/container-linux/kubernetes](bare-metal/container-linux/kubernetes) | stable |
| Google Cloud | Flatcar Linux | [google-cloud/container-linux/kubernetes](google-cloud/container-linux/kubernetes) | alpha |
## Documentation
@ -47,8 +56,8 @@ A preview of Typhoon for [Fedora CoreOS](https://getfedora.org/coreos/) is avail
Define a Kubernetes cluster by using the Terraform module for your chosen platform and operating system. Here's a minimal example:
```tf
module "google-cloud-yavin" {
source = "git::https://github.com/poseidon/typhoon//google-cloud/container-linux/kubernetes?ref=v1.16.0"
module "yavin" {
source = "git::https://github.com/poseidon/typhoon//google-cloud/container-linux/kubernetes?ref=v1.17.3"
# Google Cloud
cluster_name = "yavin"
@ -58,12 +67,17 @@ module "google-cloud-yavin" {
# configuration
ssh_authorized_key = "ssh-rsa AAAAB3Nz..."
asset_dir = "/home/user/.secrets/clusters/yavin"
# optional
worker_count = 2
worker_preemptible = true
}
# Obtain cluster kubeconfig
resource "local_file" "kubeconfig-yavin" {
content = module.yavin.kubeconfig-admin
filename = "/home/user/.kube/configs/yavin-config"
}
```
Initialize modules, plan the changes to be made, and apply the changes.
@ -71,20 +85,20 @@ Initialize modules, plan the changes to be made, and apply the changes.
```sh
$ terraform init
$ terraform plan
Plan: 64 to add, 0 to change, 0 to destroy.
Plan: 62 to add, 0 to change, 0 to destroy.
$ terraform apply
Apply complete! Resources: 64 added, 0 changed, 0 destroyed.
Apply complete! Resources: 62 added, 0 changed, 0 destroyed.
```
In 4-8 minutes (varies by platform), the cluster will be ready. This Google Cloud example creates a `yavin.example.com` DNS record to resolve to a network load balancer across controller nodes.
```sh
$ export KUBECONFIG=/home/user/.secrets/clusters/yavin/auth/kubeconfig
$ export KUBECONFIG=/home/user/.kube/configs/yavin-config
$ kubectl get nodes
NAME ROLES STATUS AGE VERSION
yavin-controller-0.c.example-com.internal <none> Ready 6m v1.16.0
yavin-worker-jrbf.c.example-com.internal <none> Ready 5m v1.16.0
yavin-worker-mzdm.c.example-com.internal <none> Ready 5m v1.16.0
yavin-controller-0.c.example-com.internal <none> Ready 6m v1.17.3
yavin-worker-jrbf.c.example-com.internal <none> Ready 5m v1.17.3
yavin-worker-mzdm.c.example-com.internal <none> Ready 5m v1.17.3
```
List the pods.

View File

@ -10,11 +10,11 @@ spec:
maxUnavailable: 1
selector:
matchLabels:
app: container-linux-update-agent
name: container-linux-update-agent
template:
metadata:
labels:
app: container-linux-update-agent
name: container-linux-update-agent
annotations:
seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
spec:

View File

@ -7,11 +7,11 @@ spec:
replicas: 1
selector:
matchLabels:
app: container-linux-update-operator
name: container-linux-update-operator
template:
metadata:
labels:
app: container-linux-update-operator
name: container-linux-update-operator
annotations:
seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
spec:

View File

@ -1,8 +1,4 @@
apiVersion: v1
kind: ConfigMap
metadata:
name: grafana-dashboards-coredns
namespace: monitoring
data:
coredns.json: |-
{
@ -26,7 +22,7 @@ data:
"links": [
],
"refresh": "",
"refresh": "10s",
"rows": [
{
"collapse": false,
@ -976,17 +972,43 @@ data:
"allValue": null,
"current": {
},
"datasource": "$datasource",
"hide": 2,
"includeAll": false,
"label": "cluster",
"multi": false,
"name": "cluster",
"options": [
],
"query": "label_values(kube_pod_info, cluster)",
"refresh": 2,
"regex": "",
"sort": 0,
"tagValuesQuery": "",
"tags": [
],
"tagsQuery": "",
"type": "query",
"useTags": false
},
{
"allValue": null,
"current": {
},
"datasource": "$datasource",
"hide": 0,
"includeAll": true,
"label": null,
"label": "pod",
"multi": false,
"name": "instance",
"options": [
],
"query": "label_values(coredns_build_info{job=\"coredns\"}, instance)",
"query": "label_values(coredns_build_info{cluster=\"$cluster\", job=\"coredns\"}, instance)",
"refresh": 2,
"regex": "",
"sort": 0,
@ -1034,3 +1056,7 @@ data:
"uid": "2f3f749259235f58698ea949170d3bd5",
"version": 0
}
kind: ConfigMap
metadata:
name: grafana-dashboards-coredns
namespace: monitoring

View File

@ -1,8 +1,4 @@
apiVersion: v1
kind: ConfigMap
metadata:
name: grafana-dashboards-etcd
namespace: monitoring
data:
etcd.json: |-
{
@ -1229,3 +1225,7 @@ data:
"uid": "c2f4e12cdf69feb95caa41a5a1b423d9",
"version": 215
}
kind: ConfigMap
metadata:
name: grafana-dashboards-etcd
namespace: monitoring

View File

@ -1,8 +1,4 @@
apiVersion: v1
kind: ConfigMap
metadata:
name: grafana-dashboards-k8s-nodes
namespace: monitoring
data:
kubelet.json: |-
{
@ -92,7 +88,7 @@ data:
"tableColumn": "",
"targets": [
{
"expr": "sum(up{job=\"kubelet\"})",
"expr": "sum(up{cluster=\"$cluster\", job=\"kubelet\"})",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "",
@ -176,7 +172,7 @@ data:
"tableColumn": "",
"targets": [
{
"expr": "sum(kubelet_running_pod_count{job=\"kubelet\", instance=~\"$instance\"})",
"expr": "sum(kubelet_running_pod_count{cluster=\"$cluster\", job=\"kubelet\", instance=~\"$instance\"})",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}}",
@ -260,7 +256,7 @@ data:
"tableColumn": "",
"targets": [
{
"expr": "sum(kubelet_running_container_count{job=\"kubelet\", instance=~\"$instance\"})",
"expr": "sum(kubelet_running_container_count{cluster=\"$cluster\", job=\"kubelet\", instance=~\"$instance\"})",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}}",
@ -344,7 +340,7 @@ data:
"tableColumn": "",
"targets": [
{
"expr": "sum(volume_manager_total_volumes{job=\"kubelet\", instance=~\"$instance\", state=\"actual_state_of_world\"})",
"expr": "sum(volume_manager_total_volumes{cluster=\"$cluster\", job=\"kubelet\", instance=~\"$instance\", state=\"actual_state_of_world\"})",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}}",
@ -428,7 +424,7 @@ data:
"tableColumn": "",
"targets": [
{
"expr": "sum(volume_manager_total_volumes{job=\"kubelet\", instance=~\"$instance\",state=\"desired_state_of_world\"})",
"expr": "sum(volume_manager_total_volumes{cluster=\"$cluster\", job=\"kubelet\", instance=~\"$instance\",state=\"desired_state_of_world\"})",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}}",
@ -512,7 +508,7 @@ data:
"tableColumn": "",
"targets": [
{
"expr": "sum(rate(kubelet_node_config_error{job=\"kubelet\", instance=~\"$instance\"}[5m]))",
"expr": "sum(rate(kubelet_node_config_error{cluster=\"$cluster\", job=\"kubelet\", instance=~\"$instance\"}[5m]))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}}",
@ -592,7 +588,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "sum(rate(kubelet_runtime_operations_total{job=\"kubelet\",instance=~\"$instance\"}[5m])) by (operation_type, instance)",
"expr": "sum(rate(kubelet_runtime_operations_total{cluster=\"$cluster\",job=\"kubelet\",instance=~\"$instance\"}[5m])) by (operation_type, instance)",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}} {{operation_type}}",
@ -683,7 +679,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "sum(rate(kubelet_runtime_operations_errors_total{job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance, operation_type)",
"expr": "sum(rate(kubelet_runtime_operations_errors_total{cluster=\"$cluster\",job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance, operation_type)",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}} {{operation_type}}",
@ -787,7 +783,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "histogram_quantile(0.99, sum(rate(kubelet_runtime_operations_duration_seconds_bucket{job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance, operation_type, le))",
"expr": "histogram_quantile(0.99, sum(rate(kubelet_runtime_operations_duration_seconds_bucket{cluster=\"$cluster\",job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance, operation_type, le))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}} {{operation_type}}",
@ -891,14 +887,14 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "sum(rate(kubelet_pod_start_duration_seconds_count{job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance)",
"expr": "sum(rate(kubelet_pod_start_duration_seconds_count{cluster=\"$cluster\",job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance)",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}} pod",
"refId": "A"
},
{
"expr": "sum(rate(kubelet_pod_worker_duration_seconds_count{job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance)",
"expr": "sum(rate(kubelet_pod_worker_duration_seconds_count{cluster=\"$cluster\",job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance)",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}} worker",
@ -989,14 +985,14 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "histogram_quantile(0.99, sum(rate(kubelet_pod_start_duration_seconds_count{job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance, le))",
"expr": "histogram_quantile(0.99, sum(rate(kubelet_pod_start_duration_seconds_count{cluster=\"$cluster\",job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance, le))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}} pod",
"refId": "A"
},
{
"expr": "histogram_quantile(0.99, sum(rate(kubelet_pod_worker_duration_seconds_bucket{job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance, le))",
"expr": "histogram_quantile(0.99, sum(rate(kubelet_pod_worker_duration_seconds_bucket{cluster=\"$cluster\",job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance, le))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}} worker",
@ -1102,7 +1098,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "sum(rate(storage_operation_duration_seconds_count{job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance, operation_name, volume_plugin)",
"expr": "sum(rate(storage_operation_duration_seconds_count{cluster=\"$cluster\",job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance, operation_name, volume_plugin)",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}} {{operation_name}} {{volume_plugin}}",
@ -1195,7 +1191,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "sum(rate(storage_operation_errors_total{job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance, operation_name, volume_plugin)",
"expr": "sum(rate(storage_operation_errors_total{cluster=\"$cluster\",job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance, operation_name, volume_plugin)",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}} {{operation_name}} {{volume_plugin}}",
@ -1301,7 +1297,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "histogram_quantile(0.99, sum(rate(storage_operation_duration_seconds_bucket{job=\"kubelet\", instance=~\"$instance\"}[5m])) by (instance, operation_name, volume_plugin, le))",
"expr": "histogram_quantile(0.99, sum(rate(storage_operation_duration_seconds_bucket{cluster=\"$cluster\", job=\"kubelet\", instance=~\"$instance\"}[5m])) by (instance, operation_name, volume_plugin, le))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}} {{operation_name}} {{volume_plugin}}",
@ -1405,7 +1401,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "sum(rate(kubelet_cgroup_manager_duration_seconds_count{job=\"kubelet\", instance=~\"$instance\"}[5m])) by (instance, operation_type)",
"expr": "sum(rate(kubelet_cgroup_manager_duration_seconds_count{cluster=\"$cluster\", job=\"kubelet\", instance=~\"$instance\"}[5m])) by (instance, operation_type)",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{operation_type}}",
@ -1496,7 +1492,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "histogram_quantile(0.99, sum(rate(kubelet_cgroup_manager_duration_seconds_bucket{job=\"kubelet\", instance=~\"$instance\"}[5m])) by (instance, operation_type, le))",
"expr": "histogram_quantile(0.99, sum(rate(kubelet_cgroup_manager_duration_seconds_bucket{cluster=\"$cluster\", job=\"kubelet\", instance=~\"$instance\"}[5m])) by (instance, operation_type, le))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}} {{operation_type}}",
@ -1601,7 +1597,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "sum(rate(kubelet_pleg_relist_duration_seconds_count{job=\"kubelet\", instance=~\"$instance\"}[5m])) by (instance)",
"expr": "sum(rate(kubelet_pleg_relist_duration_seconds_count{cluster=\"$cluster\", job=\"kubelet\", instance=~\"$instance\"}[5m])) by (instance)",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}}",
@ -1692,7 +1688,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "histogram_quantile(0.99, sum(rate(kubelet_pleg_relist_interval_seconds_bucket{job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance, le))",
"expr": "histogram_quantile(0.99, sum(rate(kubelet_pleg_relist_interval_seconds_bucket{cluster=\"$cluster\",job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance, le))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}}",
@ -1796,7 +1792,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "histogram_quantile(0.99, sum(rate(kubelet_pleg_relist_duration_seconds_bucket{job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance, le))",
"expr": "histogram_quantile(0.99, sum(rate(kubelet_pleg_relist_duration_seconds_bucket{cluster=\"$cluster\",job=\"kubelet\",instance=~\"$instance\"}[5m])) by (instance, le))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}}",
@ -1900,28 +1896,28 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "sum(rate(rest_client_requests_total{job=\"kubelet\", instance=~\"$instance\",code=~\"2..\"}[5m]))",
"expr": "sum(rate(rest_client_requests_total{cluster=\"$cluster\",job=\"kubelet\", instance=~\"$instance\",code=~\"2..\"}[5m]))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "2xx",
"refId": "A"
},
{
"expr": "sum(rate(rest_client_requests_total{job=\"kubelet\", instance=~\"$instance\",code=~\"3..\"}[5m]))",
"expr": "sum(rate(rest_client_requests_total{cluster=\"$cluster\",job=\"kubelet\", instance=~\"$instance\",code=~\"3..\"}[5m]))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "3xx",
"refId": "B"
},
{
"expr": "sum(rate(rest_client_requests_total{job=\"kubelet\", instance=~\"$instance\",code=~\"4..\"}[5m]))",
"expr": "sum(rate(rest_client_requests_total{cluster=\"$cluster\",job=\"kubelet\", instance=~\"$instance\",code=~\"4..\"}[5m]))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "4xx",
"refId": "C"
},
{
"expr": "sum(rate(rest_client_requests_total{job=\"kubelet\", instance=~\"$instance\",code=~\"5..\"}[5m]))",
"expr": "sum(rate(rest_client_requests_total{cluster=\"$cluster\",job=\"kubelet\", instance=~\"$instance\",code=~\"5..\"}[5m]))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "5xx",
@ -2025,7 +2021,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "histogram_quantile(0.99, sum(rate(rest_client_request_latency_seconds_bucket{job=\"kubelet\", instance=~\"$instance\"}[5m])) by (instance, verb, url, le))",
"expr": "histogram_quantile(0.99, sum(rate(rest_client_request_latency_seconds_bucket{cluster=\"$cluster\",job=\"kubelet\", instance=~\"$instance\"}[5m])) by (instance, verb, url, le))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}} {{verb}} {{url}}",
@ -2129,7 +2125,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "process_resident_memory_bytes{job=\"kubelet\",instance=~\"$instance\"}",
"expr": "process_resident_memory_bytes{cluster=\"$cluster\",job=\"kubelet\",instance=~\"$instance\"}",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}}",
@ -2220,7 +2216,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "rate(process_cpu_seconds_total{job=\"kubelet\",instance=~\"$instance\"}[5m])",
"expr": "rate(process_cpu_seconds_total{cluster=\"$cluster\",job=\"kubelet\",instance=~\"$instance\"}[5m])",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}}",
@ -2311,7 +2307,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "go_goroutines{job=\"kubelet\",instance=~\"$instance\"}",
"expr": "go_goroutines{cluster=\"$cluster\",job=\"kubelet\",instance=~\"$instance\"}",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{instance}}",
@ -2395,6 +2391,32 @@ data:
"allValue": null,
"current": {
},
"datasource": "$datasource",
"hide": 2,
"includeAll": false,
"label": "cluster",
"multi": false,
"name": "cluster",
"options": [
],
"query": "label_values(kube_pod_info, cluster)",
"refresh": 2,
"regex": "",
"sort": 1,
"tagValuesQuery": "",
"tags": [
],
"tagsQuery": "",
"type": "query",
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@ -4958,7 +3619,7 @@ data:
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@ -5003,3 +3664,7 @@ data:
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kind: ConfigMap
metadata:
name: grafana-dashboards-k8s-nodes
namespace: monitoring

View File

@ -0,0 +1,5375 @@
apiVersion: v1
data:
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View File

@ -1,4308 +1,5 @@
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@ -4361,7 +58,7 @@ data:
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@ -4590,7 +287,7 @@ data:
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@ -4608,7 +305,7 @@ data:
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@ -4972,7 +669,7 @@ data:
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@ -5145,6 +842,594 @@ data:
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@ -5250,6 +1535,41 @@ data:
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},
@ -5345,7 +1665,7 @@ data:
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"expr": "sum(\n node_namespace_pod_container:container_cpu_usage_seconds_total:sum_rate{cluster=\"$cluster\", namespace=\"$namespace\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload=\"$workload\", workload_type=\"$type\"}\n) by (pod)\n",
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@ -5548,7 +1868,7 @@ data:
"decimals": 2,
"link": true,
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@ -5574,7 +1894,7 @@ data:
],
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"expr": "sum(\n node_namespace_pod_container:container_cpu_usage_seconds_total:sum_rate{cluster=\"$cluster\", namespace=\"$namespace\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload=\"$workload\", workload_type=\"$type\"}\n) by (pod)\n",
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@ -5592,7 +1912,7 @@ data:
"step": 10
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{
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"expr": "sum(\n node_namespace_pod_container:container_cpu_usage_seconds_total:sum_rate{cluster=\"$cluster\", namespace=\"$namespace\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload=\"$workload\", workload_type=\"$type\"}\n) by (pod)\n/sum(\n kube_pod_container_resource_requests_cpu_cores{cluster=\"$cluster\", namespace=\"$namespace\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload=\"$workload\", workload_type=\"$type\"}\n) by (pod)\n",
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@ -5610,7 +1930,7 @@ data:
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{
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"expr": "sum(\n node_namespace_pod_container:container_cpu_usage_seconds_total:sum_rate{cluster=\"$cluster\", namespace=\"$namespace\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload=\"$workload\", workload_type=\"$type\"}\n) by (pod)\n/sum(\n kube_pod_container_resource_limits_cpu_cores{cluster=\"$cluster\", namespace=\"$namespace\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload=\"$workload\", workload_type=\"$type\"}\n) by (pod)\n",
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@ -5710,7 +2030,7 @@ data:
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"expr": "sum(\n container_memory_working_set_bytes{cluster=\"$cluster\", namespace=\"$namespace\", container!=\"\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload=\"$workload\", workload_type=\"$type\"}\n) by (pod)\n",
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@ -5913,7 +2233,7 @@ data:
"decimals": 2,
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@ -5939,7 +2259,7 @@ data:
],
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@ -5957,7 +2277,7 @@ data:
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{
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"expr": "sum(\n container_memory_working_set_bytes{cluster=\"$cluster\", namespace=\"$namespace\", container!=\"\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload=\"$workload\", workload_type=\"$type\"}\n) by (pod)\n/sum(\n kube_pod_container_resource_requests_memory_bytes{cluster=\"$cluster\", namespace=\"$namespace\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload=\"$workload\", workload_type=\"$type\"}\n) by (pod)\n",
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@ -5975,7 +2295,7 @@ data:
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{
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"expr": "sum(\n container_memory_working_set_bytes{cluster=\"$cluster\", namespace=\"$namespace\", container!=\"\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload=\"$workload\", workload_type=\"$type\"}\n) by (pod)\n/sum(\n kube_pod_container_resource_limits_memory_bytes{cluster=\"$cluster\", namespace=\"$namespace\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload=\"$workload\", workload_type=\"$type\"}\n) by (pod)\n",
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@ -6032,6 +2352,1084 @@ data:
"showTitle": true,
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@ -6164,6 +3562,41 @@ data:
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@ -6259,7 +3692,7 @@ data:
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@ -6480,7 +3913,7 @@ data:
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@ -6524,7 +3957,7 @@ data:
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@ -6542,7 +3975,7 @@ data:
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@ -6560,7 +3993,7 @@ data:
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@ -6569,7 +4002,7 @@ data:
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{
"expr": "sum(\n namespace_pod_container:container_cpu_usage_seconds_total:sum_rate{cluster=\"$cluster\", namespace=\"$namespace\"}\n* on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\"}\n) by (workload, workload_type)\n/sum(\n kube_pod_container_resource_limits_cpu_cores{cluster=\"$cluster\", namespace=\"$namespace\"}\n* on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\"}\n) by (workload, workload_type)\n",
"expr": "sum(\n node_namespace_pod_container:container_cpu_usage_seconds_total:sum_rate{cluster=\"$cluster\", namespace=\"$namespace\"}\n* on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload_type=\"$type\"}\n) by (workload, workload_type)\n/sum(\n kube_pod_container_resource_limits_cpu_cores{cluster=\"$cluster\", namespace=\"$namespace\"}\n* on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload_type=\"$type\"}\n) by (workload, workload_type)\n",
"format": "table",
"instant": true,
"intervalFactor": 2,
@ -6669,7 +4102,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "sum(\n container_memory_usage_bytes{cluster=\"$cluster\", namespace=\"$namespace\", container!=\"\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\"}\n) by (workload, workload_type)\n",
"expr": "sum(\n container_memory_working_set_bytes{cluster=\"$cluster\", namespace=\"$namespace\", container!=\"\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload_type=\"$type\"}\n) by (workload, workload_type)\n",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{workload}} - {{workload_type}}",
@ -6890,7 +4323,7 @@ data:
"decimals": 2,
"link": true,
"linkTooltip": "Drill down",
"linkUrl": "/d/a164a7f0339f99e89cea5cb47e9be617/k8s-resources-workload?var-datasource=$datasource&var-cluster=$cluster&var-namespace=$namespace&var-workload=$__cell&var-type=$__cell_2",
"linkUrl": "./d/a164a7f0339f99e89cea5cb47e9be617/k8s-resources-workload?var-datasource=$datasource&var-cluster=$cluster&var-namespace=$namespace&var-workload=$__cell&var-type=$__cell_2",
"pattern": "workload",
"thresholds": [
@ -6934,7 +4367,7 @@ data:
],
"targets": [
{
"expr": "count(mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\"}) by (workload, workload_type)",
"expr": "count(mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload_type=\"$type\"}) by (workload, workload_type)",
"format": "table",
"instant": true,
"intervalFactor": 2,
@ -6943,7 +4376,7 @@ data:
"step": 10
},
{
"expr": "sum(\n container_memory_usage_bytes{cluster=\"$cluster\", namespace=\"$namespace\", container!=\"\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\"}\n) by (workload, workload_type)\n",
"expr": "sum(\n container_memory_working_set_bytes{cluster=\"$cluster\", namespace=\"$namespace\", container!=\"\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload_type=\"$type\"}\n) by (workload, workload_type)\n",
"format": "table",
"instant": true,
"intervalFactor": 2,
@ -6952,7 +4385,7 @@ data:
"step": 10
},
{
"expr": "sum(\n kube_pod_container_resource_requests_memory_bytes{cluster=\"$cluster\", namespace=\"$namespace\"}\n* on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\"}\n) by (workload, workload_type)\n",
"expr": "sum(\n kube_pod_container_resource_requests_memory_bytes{cluster=\"$cluster\", namespace=\"$namespace\"}\n* on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload_type=\"$type\"}\n) by (workload, workload_type)\n",
"format": "table",
"instant": true,
"intervalFactor": 2,
@ -6961,7 +4394,7 @@ data:
"step": 10
},
{
"expr": "sum(\n container_memory_usage_bytes{cluster=\"$cluster\", namespace=\"$namespace\", container!=\"\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\"}\n) by (workload, workload_type)\n/sum(\n kube_pod_container_resource_requests_memory_bytes{cluster=\"$cluster\", namespace=\"$namespace\"}\n* on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\"}\n) by (workload, workload_type)\n",
"expr": "sum(\n container_memory_working_set_bytes{cluster=\"$cluster\", namespace=\"$namespace\", container!=\"\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload_type=\"$type\"}\n) by (workload, workload_type)\n/sum(\n kube_pod_container_resource_requests_memory_bytes{cluster=\"$cluster\", namespace=\"$namespace\"}\n* on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload_type=\"$type\"}\n) by (workload, workload_type)\n",
"format": "table",
"instant": true,
"intervalFactor": 2,
@ -6970,7 +4403,7 @@ data:
"step": 10
},
{
"expr": "sum(\n kube_pod_container_resource_limits_memory_bytes{cluster=\"$cluster\", namespace=\"$namespace\"}\n* on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\"}\n) by (workload, workload_type)\n",
"expr": "sum(\n kube_pod_container_resource_limits_memory_bytes{cluster=\"$cluster\", namespace=\"$namespace\"}\n* on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload_type=\"$type\"}\n) by (workload, workload_type)\n",
"format": "table",
"instant": true,
"intervalFactor": 2,
@ -6979,7 +4412,7 @@ data:
"step": 10
},
{
"expr": "sum(\n container_memory_usage_bytes{cluster=\"$cluster\", namespace=\"$namespace\", container!=\"\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\"}\n) by (workload, workload_type)\n/sum(\n kube_pod_container_resource_limits_memory_bytes{cluster=\"$cluster\", namespace=\"$namespace\"}\n* on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\"}\n) by (workload, workload_type)\n",
"expr": "sum(\n container_memory_working_set_bytes{cluster=\"$cluster\", namespace=\"$namespace\", container!=\"\"}\n * on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload_type=\"$type\"}\n) by (workload, workload_type)\n/sum(\n kube_pod_container_resource_limits_memory_bytes{cluster=\"$cluster\", namespace=\"$namespace\"}\n* on(namespace,pod)\n group_left(workload, workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=\"$namespace\", workload_type=\"$type\"}\n) by (workload, workload_type)\n",
"format": "table",
"instant": true,
"intervalFactor": 2,
@ -7036,6 +4469,1102 @@ data:
"showTitle": true,
"title": "Memory Quota",
"titleSize": "h6"
},
{
"collapse": false,
"height": "250px",
"panels": [
{
"aliasColors": {
},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "$datasource",
"fill": 1,
"id": 5,
"legend": {
"avg": false,
"current": false,
"max": false,
"min": false,
"show": true,
"total": false,
"values": false
},
"lines": true,
"linewidth": 1,
"links": [
],
"nullPointMode": "null as zero",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [
],
"spaceLength": 10,
"span": 12,
"stack": false,
"steppedLine": false,
"styles": [
{
"alias": "Time",
"dateFormat": "YYYY-MM-DD HH:mm:ss",
"pattern": "Time",
"type": "hidden"
},
{
"alias": "Current Receive Bandwidth",
"colorMode": null,
"colors": [
],
"dateFormat": "YYYY-MM-DD HH:mm:ss",
"decimals": 2,
"link": false,
"linkTooltip": "Drill down",
"linkUrl": "",
"pattern": "Value #A",
"thresholds": [
],
"type": "number",
"unit": "Bps"
},
{
"alias": "Current Transmit Bandwidth",
"colorMode": null,
"colors": [
],
"dateFormat": "YYYY-MM-DD HH:mm:ss",
"decimals": 2,
"link": false,
"linkTooltip": "Drill down",
"linkUrl": "",
"pattern": "Value #B",
"thresholds": [
],
"type": "number",
"unit": "Bps"
},
{
"alias": "Rate of Received Packets",
"colorMode": null,
"colors": [
],
"dateFormat": "YYYY-MM-DD HH:mm:ss",
"decimals": 2,
"link": false,
"linkTooltip": "Drill down",
"linkUrl": "",
"pattern": "Value #C",
"thresholds": [
],
"type": "number",
"unit": "pps"
},
{
"alias": "Rate of Transmitted Packets",
"colorMode": null,
"colors": [
],
"dateFormat": "YYYY-MM-DD HH:mm:ss",
"decimals": 2,
"link": false,
"linkTooltip": "Drill down",
"linkUrl": "",
"pattern": "Value #D",
"thresholds": [
],
"type": "number",
"unit": "pps"
},
{
"alias": "Rate of Received Packets Dropped",
"colorMode": null,
"colors": [
],
"dateFormat": "YYYY-MM-DD HH:mm:ss",
"decimals": 2,
"link": false,
"linkTooltip": "Drill down",
"linkUrl": "",
"pattern": "Value #E",
"thresholds": [
],
"type": "number",
"unit": "pps"
},
{
"alias": "Rate of Transmitted Packets Dropped",
"colorMode": null,
"colors": [
],
"dateFormat": "YYYY-MM-DD HH:mm:ss",
"decimals": 2,
"link": false,
"linkTooltip": "Drill down",
"linkUrl": "",
"pattern": "Value #F",
"thresholds": [
],
"type": "number",
"unit": "pps"
},
{
"alias": "Workload",
"colorMode": null,
"colors": [
],
"dateFormat": "YYYY-MM-DD HH:mm:ss",
"decimals": 2,
"link": true,
"linkTooltip": "Drill down to pods",
"linkUrl": "./d/a164a7f0339f99e89cea5cb47e9be617/k8s-resources-workload?var-datasource=$datasource&var-cluster=$cluster&var-namespace=$namespace&var-workload=$__cell&var-type=$type",
"pattern": "workload",
"thresholds": [
],
"type": "number",
"unit": "short"
},
{
"alias": "Workload Type",
"colorMode": null,
"colors": [
],
"dateFormat": "YYYY-MM-DD HH:mm:ss",
"decimals": 2,
"link": false,
"linkTooltip": "Drill down",
"linkUrl": "",
"pattern": "workload_type",
"thresholds": [
],
"type": "number",
"unit": "short"
},
{
"alias": "",
"colorMode": null,
"colors": [
],
"dateFormat": "YYYY-MM-DD HH:mm:ss",
"decimals": 2,
"pattern": "/.*/",
"thresholds": [
],
"type": "string",
"unit": "short"
}
],
"targets": [
{
"expr": "(sum(irate(container_network_receive_bytes_total{cluster=\"$cluster\", namespace=~\"$namespace\"}[$interval])\n* on (namespace,pod)\ngroup_left(workload,workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=~\"$namespace\", workload_type=\"$type\"}) by (workload))\n",
"format": "table",
"instant": true,
"intervalFactor": 2,
"legendFormat": "",
"refId": "A",
"step": 10
},
{
"expr": "(sum(irate(container_network_transmit_bytes_total{cluster=\"$cluster\", namespace=~\"$namespace\"}[$interval])\n* on (namespace,pod)\ngroup_left(workload,workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=~\"$namespace\", workload_type=\"$type\"}) by (workload))\n",
"format": "table",
"instant": true,
"intervalFactor": 2,
"legendFormat": "",
"refId": "B",
"step": 10
},
{
"expr": "(sum(irate(container_network_receive_packets_total{cluster=\"$cluster\", namespace=~\"$namespace\"}[$interval])\n* on (namespace,pod)\ngroup_left(workload,workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=~\"$namespace\", workload_type=\"$type\"}) by (workload))\n",
"format": "table",
"instant": true,
"intervalFactor": 2,
"legendFormat": "",
"refId": "C",
"step": 10
},
{
"expr": "(sum(irate(container_network_transmit_packets_total{cluster=\"$cluster\", namespace=~\"$namespace\"}[$interval])\n* on (namespace,pod)\ngroup_left(workload,workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=~\"$namespace\", workload_type=\"$type\"}) by (workload))\n",
"format": "table",
"instant": true,
"intervalFactor": 2,
"legendFormat": "",
"refId": "D",
"step": 10
},
{
"expr": "(sum(irate(container_network_receive_packets_dropped_total{cluster=\"$cluster\", namespace=~\"$namespace\"}[$interval])\n* on (namespace,pod)\ngroup_left(workload,workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=~\"$namespace\", workload_type=\"$type\"}) by (workload))\n",
"format": "table",
"instant": true,
"intervalFactor": 2,
"legendFormat": "",
"refId": "E",
"step": 10
},
{
"expr": "(sum(irate(container_network_transmit_packets_dropped_total{cluster=\"$cluster\", namespace=~\"$namespace\"}[$interval])\n* on (namespace,pod)\ngroup_left(workload,workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=~\"$namespace\", workload_type=\"$type\"}) by (workload))\n",
"format": "table",
"instant": true,
"intervalFactor": 2,
"legendFormat": "",
"refId": "F",
"step": 10
}
],
"thresholds": [
],
"timeFrom": null,
"timeShift": null,
"title": "Current Network Usage",
"tooltip": {
"shared": false,
"sort": 0,
"value_type": "individual"
},
"transform": "table",
"type": "table",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": [
]
},
"yaxes": [
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": 0,
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": false
}
]
}
],
"repeat": null,
"repeatIteration": null,
"repeatRowId": null,
"showTitle": true,
"title": "Network",
"titleSize": "h6"
},
{
"collapse": false,
"height": "250px",
"panels": [
{
"aliasColors": {
},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "$datasource",
"fill": 10,
"id": 6,
"legend": {
"avg": false,
"current": false,
"max": false,
"min": false,
"show": true,
"total": false,
"values": false
},
"lines": true,
"linewidth": 0,
"links": [
],
"nullPointMode": "null as zero",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [
],
"spaceLength": 10,
"span": 12,
"stack": true,
"steppedLine": false,
"targets": [
{
"expr": "(sum(irate(container_network_receive_bytes_total{cluster=\"$cluster\", namespace=~\"$namespace\"}[$interval])\n* on (namespace,pod)\ngroup_left(workload,workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=~\"$namespace\", workload=~\".+\", workload_type=\"$type\"}) by (workload))\n",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{workload}}",
"legendLink": null,
"step": 10
}
],
"thresholds": [
],
"timeFrom": null,
"timeShift": null,
"title": "Receive Bandwidth",
"tooltip": {
"shared": false,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": [
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},
"yaxes": [
{
"format": "Bps",
"label": null,
"logBase": 1,
"max": null,
"min": 0,
"show": true
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{
"format": "short",
"label": null,
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"max": null,
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"repeat": null,
"repeatIteration": null,
"repeatRowId": null,
"showTitle": true,
"title": "Network",
"titleSize": "h6"
},
{
"collapse": false,
"height": "250px",
"panels": [
{
"aliasColors": {
},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "$datasource",
"fill": 10,
"id": 7,
"legend": {
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"min": false,
"show": true,
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"values": false
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"lines": true,
"linewidth": 0,
"links": [
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"nullPointMode": "null as zero",
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"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [
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"spaceLength": 10,
"span": 12,
"stack": true,
"steppedLine": false,
"targets": [
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"expr": "(sum(irate(container_network_transmit_bytes_total{cluster=\"$cluster\", namespace=~\"$namespace\"}[$interval])\n* on (namespace,pod)\ngroup_left(workload,workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=~\"$namespace\", workload=~\".+\", workload_type=\"$type\"}) by (workload))\n",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{workload}}",
"legendLink": null,
"step": 10
}
],
"thresholds": [
],
"timeFrom": null,
"timeShift": null,
"title": "Transmit Bandwidth",
"tooltip": {
"shared": false,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
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"label": null,
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"repeat": null,
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"aliasColors": {
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"renderer": "flot",
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"spaceLength": 10,
"span": 12,
"stack": true,
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"targets": [
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"expr": "(avg(irate(container_network_receive_bytes_total{cluster=\"$cluster\", namespace=~\"$namespace\"}[$interval])\n* on (namespace,pod)\ngroup_left(workload,workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=~\"$namespace\", workload=~\".+\", workload_type=\"$type\"}) by (workload))\n",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{workload}}",
"legendLink": null,
"step": 10
}
],
"thresholds": [
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"timeFrom": null,
"timeShift": null,
"title": "Average Container Bandwidth by Workload: Received",
"tooltip": {
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"sort": 0,
"value_type": "individual"
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"type": "graph",
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"repeat": null,
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"stack": true,
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"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{workload}}",
"legendLink": null,
"step": 10
}
],
"thresholds": [
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"timeFrom": null,
"timeShift": null,
"title": "Average Container Bandwidth by Workload: Transmitted",
"tooltip": {
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"sort": 0,
"value_type": "individual"
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{
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"targets": [
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"expr": "(sum(irate(container_network_transmit_packets_total{cluster=\"$cluster\", namespace=~\"$namespace\"}[$interval])\n* on (namespace,pod)\ngroup_left(workload,workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=~\"$namespace\", workload=~\".+\", workload_type=\"$type\"}) by (workload))\n",
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],
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{
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],
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{
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"spaceLength": 10,
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"stack": true,
"steppedLine": false,
"targets": [
{
"expr": "(sum(irate(container_network_transmit_packets_dropped_total{cluster=\"$cluster\", namespace=~\"$namespace\"}[$interval])\n* on (namespace,pod) \ngroup_left(workload,workload_type) mixin_pod_workload{cluster=\"$cluster\", namespace=~\"$namespace\", workload=~\".+\", workload_type=\"$type\"}) by (workload))\n",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{workload}}",
"legendLink": null,
"step": 10
}
],
"thresholds": [
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"timeFrom": null,
"timeShift": null,
"title": "Rate of Transmitted Packets Dropped",
"tooltip": {
"shared": false,
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"value_type": "individual"
},
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},
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{
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],
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"showTitle": true,
"title": "Network",
"titleSize": "h6"
}
],
"schemaVersion": 14,
@ -7110,6 +5639,73 @@ data:
"tagValuesQuery": "",
"tags": [
],
"tagsQuery": "",
"type": "query",
"useTags": false
},
{
"allValue": null,
"auto": false,
"auto_count": 30,
"auto_min": "10s",
"current": {
"text": "5m",
"value": "5m"
},
"datasource": "prometheus",
"hide": 2,
"includeAll": false,
"label": null,
"multi": false,
"name": "interval",
"options": [
{
"selected": true,
"text": "4h",
"value": "4h"
}
],
"query": "4h",
"refresh": 2,
"regex": "",
"skipUrlSync": false,
"sort": 1,
"tagValuesQuery": "",
"tags": [
],
"tagsQuery": "",
"type": "interval",
"useTags": false
},
{
"allValue": null,
"auto": false,
"auto_count": 30,
"auto_min": "10s",
"current": {
"text": "deployment",
"value": "deployment"
},
"datasource": "$datasource",
"definition": "label_values(mixin_pod_workload{namespace=~\"$namespace\", workload=~\".+\"}, workload_type)",
"hide": 0,
"includeAll": false,
"label": null,
"multi": false,
"name": "type",
"options": [
],
"query": "label_values(mixin_pod_workload{namespace=~\"$namespace\", workload=~\".+\"}, workload_type)",
"refresh": 1,
"regex": "",
"skipUrlSync": false,
"sort": 0,
"tagValuesQuery": "",
"tags": [
],
"tagsQuery": "",
"type": "query",
@ -7151,3 +5747,7 @@ data:
"uid": "a87fb0d919ec0ea5f6543124e16c42a5",
"version": 0
}
kind: ConfigMap
metadata:
name: grafana-dashboards-k8s-resources-2
namespace: monitoring

View File

@ -1,8 +1,4 @@
apiVersion: v1
kind: ConfigMap
metadata:
name: grafana-dashboards-k8s
namespace: monitoring
data:
apiserver.json: |-
{
@ -1240,7 +1236,7 @@ data:
"query": "label_values(apiserver_request_total{job=\"apiserver\"}, instance)",
"refresh": 2,
"regex": "",
"sort": 0,
"sort": 1,
"tagValuesQuery": "",
"tags": [
@ -2351,7 +2347,7 @@ data:
"query": "label_values(process_cpu_seconds_total{job=\"kube-controller-manager\"}, instance)",
"refresh": 2,
"regex": "",
"sort": 0,
"sort": 1,
"tagValuesQuery": "",
"tags": [
@ -2850,7 +2846,7 @@ data:
"query": "label_values(kubelet_volume_stats_capacity_bytes, cluster)",
"refresh": 2,
"regex": "",
"sort": 0,
"sort": 1,
"tagValuesQuery": "",
"tags": [
@ -2876,7 +2872,7 @@ data:
"query": "label_values(kubelet_volume_stats_capacity_bytes{cluster=\"$cluster\", job=\"kubelet\"}, namespace)",
"refresh": 2,
"regex": "",
"sort": 0,
"sort": 1,
"tagValuesQuery": "",
"tags": [
@ -2902,7 +2898,7 @@ data:
"query": "label_values(kubelet_volume_stats_capacity_bytes{cluster=\"$cluster\", job=\"kubelet\", namespace=\"$namespace\"}, persistentvolumeclaim)",
"refresh": 2,
"regex": "",
"sort": 0,
"sort": 1,
"tagValuesQuery": "",
"tags": [
@ -3052,7 +3048,7 @@ data:
"refId": "C"
},
{
"expr": "sum by(container) (container_memory_cache{job=\"kubernetes-cadvisor\", namespace=\"$namespace\", pod=~\"$pod\", container=~\"$container\", container!=\"POD\"})",
"expr": "sum by(container) (container_memory_cache{job=\"kubernetes-cadvisor\", cluster=\"$cluster\", namespace=\"$namespace\", pod=~\"$pod\", container=~\"$container\", container!=\"POD\"})",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "Cache: {{ container }}",
@ -3482,7 +3478,7 @@ data:
"query": "label_values(kube_pod_info, cluster)",
"refresh": 2,
"regex": "",
"sort": 0,
"sort": 1,
"tagValuesQuery": "",
"tags": [
@ -3508,7 +3504,7 @@ data:
"query": "label_values(kube_pod_info{cluster=\"$cluster\"}, namespace)",
"refresh": 2,
"regex": "",
"sort": 0,
"sort": 1,
"tagValuesQuery": "",
"tags": [
@ -3534,7 +3530,7 @@ data:
"query": "label_values(kube_pod_info{cluster=\"$cluster\", namespace=~\"$namespace\"}, pod)",
"refresh": 2,
"regex": "",
"sort": 0,
"sort": 1,
"tagValuesQuery": "",
"tags": [
@ -3560,7 +3556,7 @@ data:
"query": "label_values(kube_pod_container_info{cluster=\"$cluster\", namespace=\"$namespace\", pod=\"$pod\"}, container)",
"refresh": 2,
"regex": "",
"sort": 0,
"sort": 1,
"tagValuesQuery": "",
"tags": [
@ -4596,7 +4592,7 @@ data:
"query": "label_values(process_cpu_seconds_total{job=\"kube-scheduler\"}, instance)",
"refresh": 2,
"regex": "",
"sort": 0,
"sort": 1,
"tagValuesQuery": "",
"tags": [
@ -5448,7 +5444,7 @@ data:
"query": "label_values(kube_statefulset_metadata_generation, cluster)",
"refresh": 2,
"regex": "",
"sort": 0,
"sort": 1,
"tagValuesQuery": "",
"tags": [
@ -5471,10 +5467,10 @@ data:
"options": [
],
"query": "label_values(kube_statefulset_metadata_generation{job=\"kube-state-metrics\"}, namespace)",
"query": "label_values(kube_statefulset_metadata_generation{job=\"kube-state-metrics\", cluster=\"$cluster\"}, namespace)",
"refresh": 2,
"regex": "",
"sort": 0,
"sort": 1,
"tagValuesQuery": "",
"tags": [
@ -5497,10 +5493,10 @@ data:
"options": [
],
"query": "label_values(kube_statefulset_metadata_generation{job=\"kube-state-metrics\", namespace=\"$namespace\"}, statefulset)",
"query": "label_values(kube_statefulset_metadata_generation{job=\"kube-state-metrics\", cluster=\"$cluster\", namespace=\"$namespace\"}, statefulset)",
"refresh": 2,
"regex": "",
"sort": 0,
"sort": 1,
"tagValuesQuery": "",
"tags": [
@ -5545,3 +5541,7 @@ data:
"uid": "a31c1f46e6f727cb37c0d731a7245005",
"version": 0
}
kind: ConfigMap
metadata:
name: grafana-dashboards-k8s
namespace: monitoring

View File

@ -1,8 +1,4 @@
apiVersion: v1
kind: ConfigMap
metadata:
name: grafana-dashboards-nginx-ingress
namespace: monitoring
data:
nginx.json: |-
{
@ -26,7 +22,7 @@ data:
"links": [
],
"refresh": "",
"refresh": "10s",
"rows": [
{
"collapse": false,
@ -94,7 +90,7 @@ data:
"tableColumn": "",
"targets": [
{
"expr": "round(sum(irate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",namespace=~\"$namespace\"}[2m])), 0.01)",
"expr": "round(sum(irate(nginx_ingress_controller_requests{cluster=~\"$cluster\", controller_pod=~\"$controller\",controller_class=~\"$controller_class\", controller_namespace=~\"$namespace\"}[2m])), 0.01)",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "",
@ -176,7 +172,7 @@ data:
"tableColumn": "",
"targets": [
{
"expr": "sum(avg_over_time(nginx_ingress_controller_nginx_process_connections{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\"}[2m]))",
"expr": "sum(avg_over_time(nginx_ingress_controller_nginx_process_connections{cluster=~\"$cluster\", controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\"}[2m]))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "",
@ -258,7 +254,7 @@ data:
"tableColumn": "",
"targets": [
{
"expr": "sum(rate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",namespace=~\"$namespace\",status!~\"[4-5].*\"}[2m])) / sum(rate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",namespace=~\"$namespace\"}[2m]))",
"expr": "sum(rate(nginx_ingress_controller_requests{cluster=~\"$cluster\", controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",status!~\"[4-5].*\"}[2m])) / sum(rate(nginx_ingress_controller_requests{cluster=~\"$cluster\", controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\"}[2m]))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "",
@ -335,7 +331,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "round(sum(irate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",ingress=~\"$ingress\"}[2m])) by (ingress), 0.01)",
"expr": "round(sum(irate(nginx_ingress_controller_requests{cluster=~\"$cluster\", controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",ingress=~\"$ingress\"}[2m])) by (ingress), 0.01)",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{ingress}}",
@ -426,7 +422,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "sum(rate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",namespace=~\"$namespace\",ingress=~\"$ingress\",status!~\"[4-5].*\"}[2m])) by (ingress) / sum(rate(nginx_ingress_controller_requests{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",namespace=~\"$namespace\",ingress=~\"$ingress\"}[2m])) by (ingress)",
"expr": "sum(rate(nginx_ingress_controller_requests{cluster=~\"$cluster\", controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",ingress=~\"$ingress\",status!~\"[4-5].*\"}[2m])) by (ingress) / sum(rate(nginx_ingress_controller_requests{cluster=~\"$cluster\", controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",ingress=~\"$ingress\"}[2m])) by (ingress)",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{ingress}}",
@ -530,21 +526,21 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "histogram_quantile(0.99, sum(rate(nginx_ingress_controller_request_duration_seconds_bucket{ingress!=\"\",controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",ingress=~\"$ingress\"}[2m])) by (le, ingress))",
"expr": "histogram_quantile(0.99, sum(rate(nginx_ingress_controller_request_duration_seconds_bucket{cluster=~\"$cluster\", ingress!=\"\",controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",ingress=~\"$ingress\"}[2m])) by (le, ingress))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{ingress}} 99%",
"refId": "A"
},
{
"expr": "histogram_quantile(0.90, sum(rate(nginx_ingress_controller_request_duration_seconds_bucket{ingress!=\"\",controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",ingress=~\"$ingress\"}[2m])) by (le, ingress))",
"expr": "histogram_quantile(0.90, sum(rate(nginx_ingress_controller_request_duration_seconds_bucket{cluster=~\"$cluster\", ingress!=\"\",controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",ingress=~\"$ingress\"}[2m])) by (le, ingress))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{ingress}} 90%",
"refId": "B"
},
{
"expr": "histogram_quantile(0.50, sum(rate(nginx_ingress_controller_request_duration_seconds_bucket{ingress!=\"\",controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",ingress=~\"$ingress\"}[2m])) by (le, ingress))",
"expr": "histogram_quantile(0.50, sum(rate(nginx_ingress_controller_request_duration_seconds_bucket{cluster=~\"$cluster\", ingress!=\"\",controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\",ingress=~\"$ingress\"}[2m])) by (le, ingress))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{ingress}} 50%",
@ -648,14 +644,14 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "sum (irate (nginx_ingress_controller_request_size_sum{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\"}[2m]))",
"expr": "sum (irate (nginx_ingress_controller_request_size_sum{cluster=~\"$cluster\", controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\"}[2m]))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "received",
"refId": "A"
},
{
"expr": "sum (irate (nginx_ingress_controller_response_size_sum{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\"}[2m]))",
"expr": "sum (irate (nginx_ingress_controller_response_size_sum{cluster=~\"$cluster\", controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\"}[2m]))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "sent",
@ -746,7 +742,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "avg(nginx_ingress_controller_nginx_process_resident_memory_bytes{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\"}) by (controller_pod)",
"expr": "avg(nginx_ingress_controller_nginx_process_resident_memory_bytes{cluster=~\"$cluster\", controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\"}) by (controller_pod)",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{controller_pod}}",
@ -837,7 +833,7 @@ data:
"steppedLine": false,
"targets": [
{
"expr": "sum(rate(nginx_ingress_controller_nginx_process_cpu_seconds_total{controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\"}[2m])) by (controller_pod)",
"expr": "sum(rate(nginx_ingress_controller_nginx_process_cpu_seconds_total{cluster=~\"$cluster\", controller_pod=~\"$controller\",controller_class=~\"$controller_class\",controller_namespace=~\"$namespace\"}[2m])) by (controller_pod)",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "{{controller_pod}}",
@ -921,6 +917,32 @@ data:
"allValue": ".*",
"current": {
},
"datasource": "$datasource",
"hide": 2,
"includeAll": true,
"label": "cluster",
"multi": false,
"name": "cluster",
"options": [
],
"query": "label_values(kube_pod_info, cluster)",
"refresh": 2,
"regex": "",
"sort": 0,
"tagValuesQuery": "",
"tags": [
],
"tagsQuery": "",
"type": "query",
"useTags": false
},
{
"allValue": ".*",
"current": {
},
"datasource": "$datasource",
"hide": 0,
@ -931,7 +953,7 @@ data:
"options": [
],
"query": "label_values(nginx_ingress_controller_config_hash, controller_namespace)",
"query": "label_values(nginx_ingress_controller_config_hash{cluster=~\"$cluster\"}, controller_namespace)",
"refresh": 2,
"regex": "",
"sort": 0,
@ -957,7 +979,7 @@ data:
"options": [
],
"query": "label_values(nginx_ingress_controller_config_hash{namespace=~\"$namespace\"}, controller_class)",
"query": "label_values(nginx_ingress_controller_config_hash{cluster=~\"$cluster\", namespace=~\"$namespace\"}, controller_class)",
"refresh": 2,
"regex": "",
"sort": 0,
@ -983,7 +1005,7 @@ data:
"options": [
],
"query": "label_values(nginx_ingress_controller_config_hash{namespace=~\"$namespace\",controller_class=~\"$controller_class\"}, controller_pod)",
"query": "label_values(nginx_ingress_controller_config_hash{cluster=~\"$cluster\", namespace=~\"$namespace\", controller_class=~\"$controller_class\"}, controller_pod)",
"refresh": 2,
"regex": "",
"sort": 0,
@ -1009,7 +1031,7 @@ data:
"options": [
],
"query": "label_values(nginx_ingress_controller_requests{namespace=~\"$namespace\",controller_class=~\"$controller_class\",controller=~\"$controller\"}, ingress)",
"query": "label_values(nginx_ingress_controller_requests{cluster=~\"$cluster\", namespace=~\"$namespace\", controller_class=~\"$controller_class\", controller=~\"$controller\"}, ingress)",
"refresh": 2,
"regex": "",
"sort": 0,
@ -1057,3 +1079,7 @@ data:
"uid": "f4af03eca476c08ecf2b5cf15fd60168",
"version": 0
}
kind: ConfigMap
metadata:
name: grafana-dashboards-nginx-ingress
namespace: monitoring

View File

@ -0,0 +1,968 @@
apiVersion: v1
data:
nodes.json: |-
{
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],
"__requires": [
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"annotations": {
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"gnetId": null,
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"spaceLength": 10,
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},
{
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{
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"refId": "C"
},
{
"expr": "count(node_cpu_seconds_total{job=\"node-exporter\", instance=\"$instance\", mode=\"idle\"})",
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}
],
"thresholds": [
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"timeFrom": null,
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{
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"expr": "(\n node_memory_MemTotal_bytes{job=\"node-exporter\", instance=\"$instance\"}\n-\n node_memory_MemFree_bytes{job=\"node-exporter\", instance=\"$instance\"}\n-\n node_memory_Buffers_bytes{job=\"node-exporter\", instance=\"$instance\"}\n-\n node_memory_Cached_bytes{job=\"node-exporter\", instance=\"$instance\"}\n)\n",
"format": "time_series",
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},
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"intervalFactor": 2,
"legendFormat": "memory buffers",
"refId": "B"
},
{
"expr": "node_memory_Cached_bytes{job=\"node-exporter\", instance=\"$instance\"}",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "memory cached",
"refId": "C"
},
{
"expr": "node_memory_MemFree_bytes{job=\"node-exporter\", instance=\"$instance\"}",
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"refId": "D"
}
],
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"timeFrom": null,
"timeShift": null,
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},
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]
},
{
"cacheTimeout": null,
"colorBackground": false,
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"colors": [
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],
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"format": "percent",
"gauge": {
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"minValue": 0,
"show": true,
"thresholdLabels": false,
"thresholdMarkers": true
},
"gridPos": {
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"id": 5,
"interval": null,
"links": [
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"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
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}
],
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"postfix": "",
"postfixFontSize": "50%",
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"prefixFontSize": "50%",
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}
],
"span": 3,
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": false
},
"tableColumn": "",
"targets": [
{
"expr": "100 -\n(\n node_memory_MemAvailable_bytes{job=\"node-exporter\", instance=\"$instance\"}\n/\n node_memory_MemTotal_bytes{job=\"node-exporter\", instance=\"$instance\"}\n* 100\n)\n",
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"refId": "A"
}
],
"thresholds": "80, 90",
"title": "Memory Usage",
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},
{
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},
{
"alias": "/ io time/",
"yaxis": 2
}
],
"spaceLength": 10,
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"targets": [
{
"expr": "rate(node_disk_read_bytes_total{job=\"node-exporter\", instance=\"$instance\", device!~\"dm.*\"}[$__interval])",
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"interval": "1m",
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"legendFormat": "{{device}} read",
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},
{
"expr": "rate(node_disk_written_bytes_total{job=\"node-exporter\", instance=\"$instance\", device!~\"dm.*\"}[$__interval])",
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"refId": "B"
},
{
"expr": "rate(node_disk_io_time_seconds_total{job=\"node-exporter\", instance=\"$instance\", device!~\"dm.*\"}[$__interval])",
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"refId": "C"
}
],
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},
{
"alias": "available",
"color": "#73BF69"
}
],
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"legendFormat": "used",
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},
{
"expr": "sum(\n max by (device) (\n node_filesystem_avail_bytes{job=\"node-exporter\", instance=\"$instance\", fstype!~\"tmpfs|nsfs|vfat\"}\n )\n)\n",
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}
],
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},
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},
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}
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],
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},
{
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},
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],
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{
"expr": "rate(node_network_receive_bytes_total{job=\"node-exporter\", instance=\"$instance\", device!=\"lo\"}[$__interval])",
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"intervalFactor": 2,
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}
],
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},
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}
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"id": 9,
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},
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],
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"format": "time_series",
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"intervalFactor": 2,
"legendFormat": "{{device}}",
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}
],
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"title": "Network Transmitted",
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},
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"show": true
},
{
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"show": true
}
]
}
],
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"repeatRowId": null,
"showTitle": false,
"title": "Dashboard Row",
"titleSize": "h6",
"type": "row"
}
],
"schemaVersion": 14,
"style": "dark",
"tags": [
],
"templating": {
"list": [
{
"current": {
"text": "Prometheus",
"value": "Prometheus"
},
"hide": 0,
"label": null,
"name": "datasource",
"options": [
],
"query": "prometheus",
"refresh": 1,
"regex": "",
"type": "datasource"
},
{
"allValue": null,
"current": {
},
"datasource": "$datasource",
"hide": 0,
"includeAll": false,
"label": null,
"multi": false,
"name": "instance",
"options": [
],
"query": "label_values(node_exporter_build_info{job=\"node-exporter\"}, instance)",
"refresh": 2,
"regex": "",
"sort": 0,
"tagValuesQuery": "",
"tags": [
],
"tagsQuery": "",
"type": "query",
"useTags": false
}
]
},
"time": {
"from": "now-1h",
"to": "now"
},
"timepicker": {
"refresh_intervals": [
"5s",
"10s",
"30s",
"1m",
"5m",
"15m",
"30m",
"1h",
"2h",
"1d"
],
"time_options": [
"5m",
"15m",
"1h",
"6h",
"12h",
"24h",
"2d",
"7d",
"30d"
]
},
"timezone": "",
"title": "Nodes",
"uid": "fa49a4706d07a042595b664c87fb33ea",
"version": 0
}
kind: ConfigMap
metadata:
name: grafana-dashboards-node-exporter
namespace: monitoring

View File

@ -1,8 +1,4 @@
apiVersion: v1
kind: ConfigMap
metadata:
name: grafana-dashboards-prom
namespace: monitoring
data:
prometheus-remote-write.json: |-
{
@ -2158,3 +2154,7 @@ data:
"uid": "",
"version": 0
}
kind: ConfigMap
metadata:
name: grafana-dashboards-prom
namespace: monitoring

View File

@ -23,7 +23,7 @@ spec:
spec:
containers:
- name: grafana
image: docker.io/grafana/grafana:6.3.5
image: docker.io/grafana/grafana:6.6.1
env:
- name: GF_PATHS_CONFIG
value: "/etc/grafana/custom.ini"
@ -56,14 +56,18 @@ spec:
mountPath: /etc/grafana/provisioning/dashboards
- name: dashboards-etcd
mountPath: /etc/grafana/dashboards/etcd
- name: dashboards-node-exporter
mountPath: /etc/grafana/dashboards/node-exporter
- name: dashboards-prom
mountPath: /etc/grafana/dashboards/prom
- name: dashboards-k8s
mountPath: /etc/grafana/dashboards/k8s
- name: dashboards-k8s-nodes
mountPath: /etc/grafana/dashboards/k8s-nodes
- name: dashboards-k8s-resources
mountPath: /etc/grafana/dashboards/k8s-resources
- name: dashboards-k8s-resources-1
mountPath: /etc/grafana/dashboards/k8s-resources-1
- name: dashboards-k8s-resources-2
mountPath: /etc/grafana/dashboards/k8s-resources-2
- name: dashboards-coredns
mountPath: /etc/grafana/dashboards/coredns
- name: dashboards-nginx-ingress
@ -81,6 +85,9 @@ spec:
- name: dashboards-etcd
configMap:
name: grafana-dashboards-etcd
- name: dashboards-node-exporter
configMap:
name: grafana-dashboards-node-exporter
- name: dashboards-prom
configMap:
name: grafana-dashboards-prom
@ -90,9 +97,12 @@ spec:
- name: dashboards-k8s-nodes
configMap:
name: grafana-dashboards-k8s-nodes
- name: dashboards-k8s-resources
- name: dashboards-k8s-resources-1
configMap:
name: grafana-dashboards-k8s-resources
name: grafana-dashboards-k8s-resources-1
- name: dashboards-k8s-resources-2
configMap:
name: grafana-dashboards-k8s-resources-2
- name: dashboards-coredns
configMap:
name: grafana-dashboards-coredns

View File

@ -22,7 +22,7 @@ spec:
spec:
containers:
- name: nginx-ingress-controller
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.25.1
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.28.0
args:
- /nginx-ingress-controller
- --ingress-class=public
@ -65,12 +65,17 @@ spec:
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 5
lifecycle:
preStop:
exec:
command:
- /wait-shutdown
securityContext:
capabilities:
add:
- NET_BIND_SERVICE
drop:
- ALL
runAsUser: 33 # www-data
runAsUser: 101 # www-data
restartPolicy: Always
terminationGracePeriodSeconds: 60
terminationGracePeriodSeconds: 300

View File

@ -22,7 +22,7 @@ spec:
spec:
containers:
- name: nginx-ingress-controller
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.25.1
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.28.0
args:
- /nginx-ingress-controller
- --ingress-class=public
@ -65,12 +65,17 @@ spec:
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 5
lifecycle:
preStop:
exec:
command:
- /wait-shutdown
securityContext:
capabilities:
add:
- NET_BIND_SERVICE
drop:
- ALL
runAsUser: 33 # www-data
runAsUser: 101 # www-data
restartPolicy: Always
terminationGracePeriodSeconds: 60
terminationGracePeriodSeconds: 300

View File

@ -22,7 +22,7 @@ spec:
spec:
containers:
- name: nginx-ingress-controller
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.25.1
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.28.0
args:
- /nginx-ingress-controller
- --ingress-class=public
@ -62,13 +62,18 @@ spec:
successThreshold: 1
failureThreshold: 3
timeoutSeconds: 5
lifecycle:
preStop:
exec:
command:
- /wait-shutdown
securityContext:
capabilities:
add:
- NET_BIND_SERVICE
drop:
- ALL
runAsUser: 33 # www-data
runAsUser: 101 # www-data
restartPolicy: Always
terminationGracePeriodSeconds: 60
terminationGracePeriodSeconds: 300

View File

@ -22,7 +22,7 @@ spec:
spec:
containers:
- name: nginx-ingress-controller
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.25.1
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.28.0
args:
- /nginx-ingress-controller
- --ingress-class=public
@ -65,12 +65,17 @@ spec:
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 5
lifecycle:
preStop:
exec:
command:
- /wait-shutdown
securityContext:
capabilities:
add:
- NET_BIND_SERVICE
drop:
- ALL
runAsUser: 33 # www-data
runAsUser: 101 # www-data
restartPolicy: Always
terminationGracePeriodSeconds: 60
terminationGracePeriodSeconds: 300

View File

@ -22,7 +22,7 @@ spec:
spec:
containers:
- name: nginx-ingress-controller
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.25.1
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.28.0
args:
- /nginx-ingress-controller
- --ingress-class=public
@ -65,12 +65,17 @@ spec:
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 5
lifecycle:
preStop:
exec:
command:
- /wait-shutdown
securityContext:
capabilities:
add:
- NET_BIND_SERVICE
drop:
- ALL
runAsUser: 33 # www-data
runAsUser: 101 # www-data
restartPolicy: Always
terminationGracePeriodSeconds: 60
terminationGracePeriodSeconds: 300

View File

@ -65,6 +65,9 @@ data:
- source_labels: [__name__]
action: drop
regex: apiserver_admission_step_admission_latencies_seconds_.*
- source_labels: [__name__, group]
regex: apiserver_request_duration_seconds_bucket;.+
action: drop
# Scrape config for node (i.e. kubelet) /metrics (e.g. 'kubelet_'). Explore
# metrics from a node by scraping kubelet (127.0.0.1:10250/metrics).
@ -81,7 +84,7 @@ data:
relabel_configs:
- action: labelmap
regex: __meta_kubernetes_node_label_(.+)
regex: __meta_kubernetes_node_name
# Scrape config for Kubelet cAdvisor. Explore metrics from a node by
# scraping kubelet (127.0.0.1:10250/metrics/cadvisor).
@ -99,7 +102,7 @@ data:
relabel_configs:
- action: labelmap
regex: __meta_kubernetes_node_label_(.+)
regex: __meta_kubernetes_node_name
metric_relabel_configs:
- source_labels: [__name__, image]
action: drop
@ -115,15 +118,15 @@ data:
- role: node
scheme: http
relabel_configs:
- source_labels: [__meta_kubernetes_node_label_node_role_kubernetes_io_controller]
action: keep
regex: 'true'
- action: labelmap
regex: __meta_kubernetes_node_label_(.+)
- source_labels: [__meta_kubernetes_node_address_InternalIP]
action: replace
target_label: __address__
replacement: '${1}:2381'
- source_labels: [__meta_kubernetes_node_label_node_kubernetes_io_controller]
action: keep
regex: 'true'
- action: labelmap
regex: __meta_kubernetes_node_name
- source_labels: [__meta_kubernetes_node_address_InternalIP]
action: replace
target_label: __address__
replacement: '${1}:2381'
# Scrape config for service endpoints.
#

View File

@ -20,7 +20,7 @@ spec:
serviceAccountName: prometheus
containers:
- name: prometheus
image: quay.io/prometheus/prometheus:v2.12.0
image: quay.io/prometheus/prometheus:v2.15.2
args:
- --web.listen-address=0.0.0.0:9090
- --config.file=/etc/prometheus/prometheus.yaml

View File

@ -1,3 +1,4 @@
# Allow Prometheus to scrape service endpoints
apiVersion: v1
kind: Service
metadata:
@ -7,7 +8,6 @@ metadata:
prometheus.io/scrape: 'true'
spec:
type: ClusterIP
# service is created to allow prometheus to scrape endpoints
clusterIP: None
selector:
k8s-app: kube-controller-manager

View File

@ -0,0 +1,19 @@
# Allow Prometheus to scrape service endpoints
apiVersion: v1
kind: Service
metadata:
name: kube-proxy
namespace: kube-system
annotations:
prometheus.io/scrape: 'true'
prometheus.io/port: '10249'
spec:
type: ClusterIP
clusterIP: None
selector:
k8s-app: kube-proxy
ports:
- name: metrics
protocol: TCP
port: 10249
targetPort: 10249

View File

@ -1,3 +1,4 @@
# Allow Prometheus to scrape service endpoints
apiVersion: v1
kind: Service
metadata:
@ -7,7 +8,6 @@ metadata:
prometheus.io/scrape: 'true'
spec:
type: ClusterIP
# service is created to allow prometheus to scrape endpoints
clusterIP: None
selector:
k8s-app: kube-scheduler

View File

@ -74,6 +74,7 @@ rules:
- storage.k8s.io
resources:
- storageclasses
- volumeattachments
verbs:
- list
- watch
@ -84,4 +85,19 @@ rules:
verbs:
- list
- watch
- apiGroups:
- admissionregistration.k8s.io
resources:
- mutatingwebhookconfigurations
- validatingwebhookconfigurations
verbs:
- list
- watch
- apiGroups:
- networking.k8s.io
resources:
- networkpolicies
verbs:
- list
- watch

View File

@ -24,7 +24,7 @@ spec:
serviceAccountName: kube-state-metrics
containers:
- name: kube-state-metrics
image: quay.io/coreos/kube-state-metrics:v1.7.2
image: quay.io/coreos/kube-state-metrics:v1.9.4
ports:
- name: metrics
containerPort: 8080
@ -37,33 +37,6 @@ spec:
readinessProbe:
httpGet:
path: /
port: 8080
port: 8081
initialDelaySeconds: 5
timeoutSeconds: 5
- name: addon-resizer
image: k8s.gcr.io/addon-resizer:1.8.5
resources:
limits:
cpu: 100m
memory: 30Mi
requests:
cpu: 100m
memory: 30Mi
env:
- name: MY_POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: MY_POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
command:
- /pod_nanny
- --container=kube-state-metrics
- --cpu=100m
- --extra-cpu=1m
- --memory=100Mi
- --extra-memory=2Mi
- --threshold=5
- --deployment=kube-state-metrics

View File

@ -1,13 +0,0 @@
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
name: kube-state-metrics
namespace: monitoring
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: kube-state-metrics
subjects:
- kind: ServiceAccount
name: kube-state-metrics
namespace: monitoring

View File

@ -1,31 +0,0 @@
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
name: kube-state-metrics
namespace: monitoring
rules:
- apiGroups:
- ""
resources:
- pods
verbs:
- get
- apiGroups:
- extensions
resources:
- deployments
resourceNames:
- kube-state-metrics
verbs:
- get
- update
- apiGroups:
- apps
resources:
- deployments
resourceNames:
- kube-state-metrics
verbs:
- get
- update

View File

@ -57,7 +57,9 @@ spec:
mountPath: /host/root
readOnly: true
tolerations:
- effect: NoSchedule
- key: node-role.kubernetes.io/master
operator: Exists
- key: node.kubernetes.io/not-ready
operator: Exists
volumes:
- name: proc

View File

@ -1,8 +1,4 @@
apiVersion: v1
kind: ConfigMap
metadata:
name: prometheus-rules
namespace: monitoring
data:
etcd.yaml: |-
{
@ -10,6 +6,17 @@ data:
{
"name": "etcd",
"rules": [
{
"alert": "etcdMembersDown",
"annotations": {
"message": "etcd cluster \"{{ $labels.job }}\": members are down ({{ $value }})."
},
"expr": "max by (job) (\n sum by (job) (up{job=~\".*etcd.*\"} == bool 0)\nor\n count by (job,endpoint) (\n sum by (job,endpoint,To) (rate(etcd_network_peer_sent_failures_total{job=~\".*etcd.*\"}[3m])) > 0.01\n )\n)\n> 0\n",
"for": "3m",
"labels": {
"severity": "critical"
}
},
{
"alert": "etcdInsufficientMembers",
"annotations": {
@ -135,30 +142,35 @@ data:
}
]
}
extra.yaml: |-
{
"groups": [
{
"name": "extra.rules",
"rules": [
{
"alert": "InactiveRAIDDisk",
"annotations": {
"message": "{{ $value }} RAID disk(s) on node {{ $labels.instance }} are inactive."
},
"expr": "node_md_disks - node_md_disks_active > 0",
"for": "10m",
"labels": {
"severity": "warning"
}
}
]
}
]
}
kube.yaml: |-
{
"groups": [
{
"name": "kube-apiserver.rules",
"rules": [
{
"expr": "histogram_quantile(0.99, sum(rate(apiserver_request_duration_seconds_bucket{job=\"apiserver\"}[5m])) without(instance, pod))\n",
"labels": {
"quantile": "0.99"
},
"record": "cluster_quantile:apiserver_request_duration_seconds:histogram_quantile"
},
{
"expr": "histogram_quantile(0.9, sum(rate(apiserver_request_duration_seconds_bucket{job=\"apiserver\"}[5m])) without(instance, pod))\n",
"labels": {
"quantile": "0.9"
},
"record": "cluster_quantile:apiserver_request_duration_seconds:histogram_quantile"
},
{
"expr": "histogram_quantile(0.5, sum(rate(apiserver_request_duration_seconds_bucket{job=\"apiserver\"}[5m])) without(instance, pod))\n",
"labels": {
"quantile": "0.5"
},
"record": "cluster_quantile:apiserver_request_duration_seconds:histogram_quantile"
}
]
},
{
"name": "k8s.rules",
"rules": [
@ -167,27 +179,35 @@ data:
"record": "namespace:container_cpu_usage_seconds_total:sum_rate"
},
{
"expr": "sum by (namespace, pod, container) (\n rate(container_cpu_usage_seconds_total{job=\"kubernetes-cadvisor\", image!=\"\", container!=\"POD\"}[5m])\n)\n",
"record": "namespace_pod_container:container_cpu_usage_seconds_total:sum_rate"
"expr": "sum by (namespace, pod, container) (\n rate(container_cpu_usage_seconds_total{job=\"kubernetes-cadvisor\", image!=\"\", container!=\"POD\"}[5m])\n) * on (namespace, pod) group_left(node) max by(namespace, pod, node) (kube_pod_info)\n",
"record": "node_namespace_pod_container:container_cpu_usage_seconds_total:sum_rate"
},
{
"expr": "container_memory_working_set_bytes{job=\"kubernetes-cadvisor\", image!=\"\"}\n* on (namespace, pod) group_left(node) max by(namespace, pod, node) (kube_pod_info)\n",
"record": "node_namespace_pod_container:container_memory_working_set_bytes"
},
{
"expr": "container_memory_rss{job=\"kubernetes-cadvisor\", image!=\"\"}\n* on (namespace, pod) group_left(node) max by(namespace, pod, node) (kube_pod_info)\n",
"record": "node_namespace_pod_container:container_memory_rss"
},
{
"expr": "container_memory_cache{job=\"kubernetes-cadvisor\", image!=\"\"}\n* on (namespace, pod) group_left(node) max by(namespace, pod, node) (kube_pod_info)\n",
"record": "node_namespace_pod_container:container_memory_cache"
},
{
"expr": "container_memory_swap{job=\"kubernetes-cadvisor\", image!=\"\"}\n* on (namespace, pod) group_left(node) max by(namespace, pod, node) (kube_pod_info)\n",
"record": "node_namespace_pod_container:container_memory_swap"
},
{
"expr": "sum(container_memory_usage_bytes{job=\"kubernetes-cadvisor\", image!=\"\", container!=\"POD\"}) by (namespace)\n",
"record": "namespace:container_memory_usage_bytes:sum"
},
{
"expr": "sum by (namespace, label_name) (\n sum(rate(container_cpu_usage_seconds_total{job=\"kubernetes-cadvisor\", image!=\"\", container!=\"POD\"}[5m])) by (namespace, pod)\n * on (namespace, pod)\n group_left(label_name) kube_pod_labels{job=\"kube-state-metrics\"}\n)\n",
"record": "namespace:container_cpu_usage_seconds_total:sum_rate"
},
{
"expr": "sum by (namespace, label_name) (\n sum(container_memory_usage_bytes{job=\"kubernetes-cadvisor\",image!=\"\", container!=\"POD\"}) by (pod, namespace)\n * on (namespace, pod)\n group_left(label_name) kube_pod_labels{job=\"kube-state-metrics\"}\n)\n",
"record": "namespace:container_memory_usage_bytes:sum"
},
{
"expr": "sum by (namespace, label_name) (\n sum(kube_pod_container_resource_requests_memory_bytes{job=\"kube-state-metrics\"} * on (endpoint, instance, job, namespace, pod, service) group_left(phase) (kube_pod_status_phase{phase=~\"^(Pending|Running)$\"} == 1)) by (namespace, pod)\n * on (namespace, pod)\n group_left(label_name) kube_pod_labels{job=\"kube-state-metrics\"}\n)\n",
"expr": "sum by (namespace, label_name) (\n sum(kube_pod_container_resource_requests_memory_bytes{job=\"kube-state-metrics\"} * on (endpoint, instance, job, namespace, pod, service) group_left(phase) (kube_pod_status_phase{phase=~\"Pending|Running\"} == 1)) by (namespace, pod)\n * on (namespace, pod)\n group_left(label_name) kube_pod_labels{job=\"kube-state-metrics\"}\n)\n",
"record": "namespace:kube_pod_container_resource_requests_memory_bytes:sum"
},
{
"expr": "sum by (namespace, label_name) (\n sum(kube_pod_container_resource_requests_cpu_cores{job=\"kube-state-metrics\"} * on (endpoint, instance, job, namespace, pod, service) group_left(phase) (kube_pod_status_phase{phase=~\"^(Pending|Running)$\"} == 1)) by (namespace, pod)\n * on (namespace, pod)\n group_left(label_name) kube_pod_labels{job=\"kube-state-metrics\"}\n)\n",
"expr": "sum by (namespace, label_name) (\n sum(kube_pod_container_resource_requests_cpu_cores{job=\"kube-state-metrics\"} * on (endpoint, instance, job, namespace, pod, service) group_left(phase) (kube_pod_status_phase{phase=~\"Pending|Running\"} == 1)) by (namespace, pod)\n * on (namespace, pod)\n group_left(label_name) kube_pod_labels{job=\"kube-state-metrics\"}\n)\n",
"record": "namespace:kube_pod_container_resource_requests_cpu_cores:sum"
},
{
@ -281,32 +301,6 @@ data:
}
]
},
{
"name": "kube-apiserver.rules",
"rules": [
{
"expr": "histogram_quantile(0.99, sum(rate(apiserver_request_duration_seconds_bucket{job=\"apiserver\"}[5m])) without(instance, pod))\n",
"labels": {
"quantile": "0.99"
},
"record": "cluster_quantile:apiserver_request_duration_seconds:histogram_quantile"
},
{
"expr": "histogram_quantile(0.9, sum(rate(apiserver_request_duration_seconds_bucket{job=\"apiserver\"}[5m])) without(instance, pod))\n",
"labels": {
"quantile": "0.9"
},
"record": "cluster_quantile:apiserver_request_duration_seconds:histogram_quantile"
},
{
"expr": "histogram_quantile(0.5, sum(rate(apiserver_request_duration_seconds_bucket{job=\"apiserver\"}[5m])) without(instance, pod))\n",
"labels": {
"quantile": "0.5"
},
"record": "cluster_quantile:apiserver_request_duration_seconds:histogram_quantile"
}
]
},
{
"name": "node.rules",
"rules": [
@ -323,169 +317,8 @@ data:
"record": "node:node_num_cpu:sum"
},
{
"expr": "1 - avg(rate(node_cpu_seconds_total{job=\"node-exporter\",mode=\"idle\"}[1m]))\n",
"record": ":node_cpu_utilisation:avg1m"
},
{
"expr": "1 - avg by (node) (\n rate(node_cpu_seconds_total{job=\"node-exporter\",mode=\"idle\"}[1m])\n* on (namespace, pod) group_left(node)\n node_namespace_pod:kube_pod_info:)\n",
"record": "node:node_cpu_utilisation:avg1m"
},
{
"expr": "node:node_cpu_utilisation:avg1m\n *\nnode:node_num_cpu:sum\n /\nscalar(sum(node:node_num_cpu:sum))\n",
"record": "node:cluster_cpu_utilisation:ratio"
},
{
"expr": "sum(node_load1{job=\"node-exporter\"})\n/\nsum(node:node_num_cpu:sum)\n",
"record": ":node_cpu_saturation_load1:"
},
{
"expr": "sum by (node) (\n node_load1{job=\"node-exporter\"}\n* on (namespace, pod) group_left(node)\n node_namespace_pod:kube_pod_info:\n)\n/\nnode:node_num_cpu:sum\n",
"record": "node:node_cpu_saturation_load1:"
},
{
"expr": "1 -\nsum(node_memory_MemFree_bytes{job=\"node-exporter\"} + node_memory_Cached_bytes{job=\"node-exporter\"} + node_memory_Buffers_bytes{job=\"node-exporter\"})\n/\nsum(node_memory_MemTotal_bytes{job=\"node-exporter\"})\n",
"record": ":node_memory_utilisation:"
},
{
"expr": "sum(node_memory_MemFree_bytes{job=\"node-exporter\"} + node_memory_Cached_bytes{job=\"node-exporter\"} + node_memory_Buffers_bytes{job=\"node-exporter\"})\n",
"record": ":node_memory_MemFreeCachedBuffers_bytes:sum"
},
{
"expr": "sum(node_memory_MemTotal_bytes{job=\"node-exporter\"})\n",
"record": ":node_memory_MemTotal_bytes:sum"
},
{
"expr": "sum by (node) (\n (node_memory_MemFree_bytes{job=\"node-exporter\"} + node_memory_Cached_bytes{job=\"node-exporter\"} + node_memory_Buffers_bytes{job=\"node-exporter\"})\n * on (namespace, pod) group_left(node)\n node_namespace_pod:kube_pod_info:\n)\n",
"record": "node:node_memory_bytes_available:sum"
},
{
"expr": "sum by (node) (\n node_memory_MemTotal_bytes{job=\"node-exporter\"}\n * on (namespace, pod) group_left(node)\n node_namespace_pod:kube_pod_info:\n)\n",
"record": "node:node_memory_bytes_total:sum"
},
{
"expr": "(node:node_memory_bytes_total:sum - node:node_memory_bytes_available:sum)\n/\nnode:node_memory_bytes_total:sum\n",
"record": "node:node_memory_utilisation:ratio"
},
{
"expr": "(node:node_memory_bytes_total:sum - node:node_memory_bytes_available:sum)\n/\nscalar(sum(node:node_memory_bytes_total:sum))\n",
"record": "node:cluster_memory_utilisation:ratio"
},
{
"expr": "1e3 * sum(\n (rate(node_vmstat_pgpgin{job=\"node-exporter\"}[1m])\n + rate(node_vmstat_pgpgout{job=\"node-exporter\"}[1m]))\n)\n",
"record": ":node_memory_swap_io_bytes:sum_rate"
},
{
"expr": "1 -\nsum by (node) (\n (node_memory_MemFree_bytes{job=\"node-exporter\"} + node_memory_Cached_bytes{job=\"node-exporter\"} + node_memory_Buffers_bytes{job=\"node-exporter\"})\n* on (namespace, pod) group_left(node)\n node_namespace_pod:kube_pod_info:\n)\n/\nsum by (node) (\n node_memory_MemTotal_bytes{job=\"node-exporter\"}\n* on (namespace, pod) group_left(node)\n node_namespace_pod:kube_pod_info:\n)\n",
"record": "node:node_memory_utilisation:"
},
{
"expr": "1 - (node:node_memory_bytes_available:sum / node:node_memory_bytes_total:sum)\n",
"record": "node:node_memory_utilisation_2:"
},
{
"expr": "1e3 * sum by (node) (\n (rate(node_vmstat_pgpgin{job=\"node-exporter\"}[1m])\n + rate(node_vmstat_pgpgout{job=\"node-exporter\"}[1m]))\n * on (namespace, pod) group_left(node)\n node_namespace_pod:kube_pod_info:\n)\n",
"record": "node:node_memory_swap_io_bytes:sum_rate"
},
{
"expr": "avg(irate(node_disk_io_time_seconds_total{job=\"node-exporter\",device=~\"nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+\"}[1m]))\n",
"record": ":node_disk_utilisation:avg_irate"
},
{
"expr": "avg by (node) (\n irate(node_disk_io_time_seconds_total{job=\"node-exporter\",device=~\"nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+\"}[1m])\n* on (namespace, pod) group_left(node)\n node_namespace_pod:kube_pod_info:\n)\n",
"record": "node:node_disk_utilisation:avg_irate"
},
{
"expr": "avg(irate(node_disk_io_time_weighted_seconds_total{job=\"node-exporter\",device=~\"nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+\"}[1m]))\n",
"record": ":node_disk_saturation:avg_irate"
},
{
"expr": "avg by (node) (\n irate(node_disk_io_time_weighted_seconds_total{job=\"node-exporter\",device=~\"nvme.+|rbd.+|sd.+|vd.+|xvd.+|dm-.+\"}[1m])\n* on (namespace, pod) group_left(node)\n node_namespace_pod:kube_pod_info:\n)\n",
"record": "node:node_disk_saturation:avg_irate"
},
{
"expr": "max by (instance, namespace, pod, device) ((node_filesystem_size_bytes{fstype=~\"ext[234]|btrfs|xfs|zfs\"}\n- node_filesystem_avail_bytes{fstype=~\"ext[234]|btrfs|xfs|zfs\"})\n/ node_filesystem_size_bytes{fstype=~\"ext[234]|btrfs|xfs|zfs\"})\n",
"record": "node:node_filesystem_usage:"
},
{
"expr": "max by (instance, namespace, pod, device) (node_filesystem_avail_bytes{fstype=~\"ext[234]|btrfs|xfs|zfs\"} / node_filesystem_size_bytes{fstype=~\"ext[234]|btrfs|xfs|zfs\"})\n",
"record": "node:node_filesystem_avail:"
},
{
"expr": "sum(irate(node_network_receive_bytes_total{job=\"node-exporter\",device!~\"veth.+\"}[1m])) +\nsum(irate(node_network_transmit_bytes_total{job=\"node-exporter\",device!~\"veth.+\"}[1m]))\n",
"record": ":node_net_utilisation:sum_irate"
},
{
"expr": "sum by (node) (\n (irate(node_network_receive_bytes_total{job=\"node-exporter\",device!~\"veth.+\"}[1m]) +\n irate(node_network_transmit_bytes_total{job=\"node-exporter\",device!~\"veth.+\"}[1m]))\n* on (namespace, pod) group_left(node)\n node_namespace_pod:kube_pod_info:\n)\n",
"record": "node:node_net_utilisation:sum_irate"
},
{
"expr": "sum(irate(node_network_receive_drop_total{job=\"node-exporter\",device!~\"veth.+\"}[1m])) +\nsum(irate(node_network_transmit_drop_total{job=\"node-exporter\",device!~\"veth.+\"}[1m]))\n",
"record": ":node_net_saturation:sum_irate"
},
{
"expr": "sum by (node) (\n (irate(node_network_receive_drop_total{job=\"node-exporter\",device!~\"veth.+\"}[1m]) +\n irate(node_network_transmit_drop_total{job=\"node-exporter\",device!~\"veth.+\"}[1m]))\n* on (namespace, pod) group_left(node)\n node_namespace_pod:kube_pod_info:\n)\n",
"record": "node:node_net_saturation:sum_irate"
},
{
"expr": "max(\n max(\n kube_pod_info{job=\"kube-state-metrics\", host_ip!=\"\"}\n ) by (node, host_ip)\n * on (host_ip) group_right (node)\n label_replace(\n (max(node_filesystem_files{job=\"node-exporter\", mountpoint=\"/\"}) by (instance)), \"host_ip\", \"$1\", \"instance\", \"(.*):.*\"\n )\n) by (node)\n",
"record": "node:node_inodes_total:"
},
{
"expr": "max(\n max(\n kube_pod_info{job=\"kube-state-metrics\", host_ip!=\"\"}\n ) by (node, host_ip)\n * on (host_ip) group_right (node)\n label_replace(\n (max(node_filesystem_files_free{job=\"node-exporter\", mountpoint=\"/\"}) by (instance)), \"host_ip\", \"$1\", \"instance\", \"(.*):.*\"\n )\n) by (node)\n",
"record": "node:node_inodes_free:"
}
]
},
{
"name": "kubernetes-absent",
"rules": [
{
"alert": "KubeAPIDown",
"annotations": {
"message": "KubeAPI has disappeared from Prometheus target discovery.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapidown"
},
"expr": "absent(up{job=\"apiserver\"} == 1)\n",
"for": "15m",
"labels": {
"severity": "critical"
}
},
{
"alert": "KubeControllerManagerDown",
"annotations": {
"message": "KubeControllerManager has disappeared from Prometheus target discovery.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubecontrollermanagerdown"
},
"expr": "absent(up{job=\"kube-controller-manager\"} == 1)\n",
"for": "15m",
"labels": {
"severity": "critical"
}
},
{
"alert": "KubeSchedulerDown",
"annotations": {
"message": "KubeScheduler has disappeared from Prometheus target discovery.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeschedulerdown"
},
"expr": "absent(up{job=\"kube-scheduler\"} == 1)\n",
"for": "15m",
"labels": {
"severity": "critical"
}
},
{
"alert": "KubeletDown",
"annotations": {
"message": "Kubelet has disappeared from Prometheus target discovery.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeletdown"
},
"expr": "absent(up{job=\"kubelet\"} == 1)\n",
"for": "15m",
"labels": {
"severity": "critical"
}
"expr": "sum(\n node_memory_MemAvailable_bytes{job=\"node-exporter\"} or\n (\n node_memory_Buffers_bytes{job=\"node-exporter\"} +\n node_memory_Cached_bytes{job=\"node-exporter\"} +\n node_memory_MemFree_bytes{job=\"node-exporter\"} +\n node_memory_Slab_bytes{job=\"node-exporter\"}\n )\n)\n",
"record": ":node_memory_MemAvailable_bytes:sum"
}
]
},
@ -499,7 +332,7 @@ data:
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubepodcrashlooping"
},
"expr": "rate(kube_pod_container_status_restarts_total{job=\"kube-state-metrics\"}[15m]) * 60 * 5 > 0\n",
"for": "1h",
"for": "15m",
"labels": {
"severity": "critical"
}
@ -507,11 +340,11 @@ data:
{
"alert": "KubePodNotReady",
"annotations": {
"message": "Pod {{ $labels.namespace }}/{{ $labels.pod }} has been in a non-ready state for longer than an hour.",
"message": "Pod {{ $labels.namespace }}/{{ $labels.pod }} has been in a non-ready state for longer than 15 minutes.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubepodnotready"
},
"expr": "sum by (namespace, pod) (kube_pod_status_phase{job=\"kube-state-metrics\", phase=~\"Failed|Pending|Unknown\"}) > 0\n",
"for": "1h",
"expr": "sum by (namespace, pod) (kube_pod_status_phase{job=\"kube-state-metrics\", phase=~\"Failed|Pending|Unknown\"} * on(namespace, pod) group_left(owner_kind) kube_pod_owner{owner_kind!=\"Job\"}) > 0\n",
"for": "15m",
"labels": {
"severity": "critical"
}
@ -531,11 +364,11 @@ data:
{
"alert": "KubeDeploymentReplicasMismatch",
"annotations": {
"message": "Deployment {{ $labels.namespace }}/{{ $labels.deployment }} has not matched the expected number of replicas for longer than an hour.",
"message": "Deployment {{ $labels.namespace }}/{{ $labels.deployment }} has not matched the expected number of replicas for longer than 15 minutes.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubedeploymentreplicasmismatch"
},
"expr": "kube_deployment_spec_replicas{job=\"kube-state-metrics\"}\n !=\nkube_deployment_status_replicas_available{job=\"kube-state-metrics\"}\n",
"for": "1h",
"for": "15m",
"labels": {
"severity": "critical"
}
@ -579,15 +412,27 @@ data:
{
"alert": "KubeDaemonSetRolloutStuck",
"annotations": {
"message": "Only {{ $value }}% of the desired Pods of DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset }} are scheduled and ready.",
"message": "Only {{ $value | humanizePercentage }} of the desired Pods of DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset }} are scheduled and ready.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubedaemonsetrolloutstuck"
},
"expr": "kube_daemonset_status_number_ready{job=\"kube-state-metrics\"}\n /\nkube_daemonset_status_desired_number_scheduled{job=\"kube-state-metrics\"} * 100 < 100\n",
"expr": "kube_daemonset_status_number_ready{job=\"kube-state-metrics\"}\n /\nkube_daemonset_status_desired_number_scheduled{job=\"kube-state-metrics\"} < 1.00\n",
"for": "15m",
"labels": {
"severity": "critical"
}
},
{
"alert": "KubeContainerWaiting",
"annotations": {
"message": "Pod {{ $labels.namespace }}/{{ $labels.pod }} container {{ $labels.container}} has been in waiting state for longer than 1 hour.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubecontainerwaiting"
},
"expr": "sum by (namespace, pod, container) (kube_pod_container_status_waiting_reason{job=\"kube-state-metrics\"}) > 0\n",
"for": "1h",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeDaemonSetNotScheduled",
"annotations": {
@ -642,8 +487,32 @@ data:
"message": "Job {{ $labels.namespace }}/{{ $labels.job_name }} failed to complete.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubejobfailed"
},
"expr": "kube_job_status_failed{job=\"kube-state-metrics\"} > 0\n",
"for": "1h",
"expr": "kube_job_failed{job=\"kube-state-metrics\"} > 0\n",
"for": "15m",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeHpaReplicasMismatch",
"annotations": {
"message": "HPA {{ $labels.namespace }}/{{ $labels.hpa }} has not matched the desired number of replicas for longer than 15 minutes.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubehpareplicasmismatch"
},
"expr": "(kube_hpa_status_desired_replicas{job=\"kube-state-metrics\"}\n !=\nkube_hpa_status_current_replicas{job=\"kube-state-metrics\"})\n and\nchanges(kube_hpa_status_current_replicas[15m]) == 0\n",
"for": "15m",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeHpaMaxedOut",
"annotations": {
"message": "HPA {{ $labels.namespace }}/{{ $labels.hpa }} has been running at max replicas for longer than 15 minutes.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubehpamaxedout"
},
"expr": "kube_hpa_status_current_replicas{job=\"kube-state-metrics\"}\n ==\nkube_hpa_spec_max_replicas{job=\"kube-state-metrics\"}\n",
"for": "15m",
"labels": {
"severity": "warning"
}
@ -704,10 +573,10 @@ data:
{
"alert": "KubeQuotaExceeded",
"annotations": {
"message": "Namespace {{ $labels.namespace }} is using {{ printf \"%0.0f\" $value }}% of its {{ $labels.resource }} quota.",
"message": "Namespace {{ $labels.namespace }} is using {{ $value | humanizePercentage }} of its {{ $labels.resource }} quota.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubequotaexceeded"
},
"expr": "100 * kube_resourcequota{job=\"kube-state-metrics\", type=\"used\"}\n / ignoring(instance, job, type)\n(kube_resourcequota{job=\"kube-state-metrics\", type=\"hard\"} > 0)\n > 90\n",
"expr": "kube_resourcequota{job=\"kube-state-metrics\", type=\"used\"}\n / ignoring(instance, job, type)\n(kube_resourcequota{job=\"kube-state-metrics\", type=\"hard\"} > 0)\n > 0.90\n",
"for": "15m",
"labels": {
"severity": "warning"
@ -716,10 +585,10 @@ data:
{
"alert": "CPUThrottlingHigh",
"annotations": {
"message": "{{ printf \"%0.0f\" $value }}% throttling of CPU in namespace {{ $labels.namespace }} for container {{ $labels.container }} in pod {{ $labels.pod }}.",
"message": "{{ $value | humanizePercentage }} throttling of CPU in namespace {{ $labels.namespace }} for container {{ $labels.container }} in pod {{ $labels.pod }}.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-cputhrottlinghigh"
},
"expr": "100 * sum(increase(container_cpu_cfs_throttled_periods_total{container!=\"\", }[5m])) by (container, pod, namespace)\n /\nsum(increase(container_cpu_cfs_periods_total{}[5m])) by (container, pod, namespace)\n > 100 \n",
"expr": "sum(increase(container_cpu_cfs_throttled_periods_total{container!=\"\", }[5m])) by (container, pod, namespace)\n /\nsum(increase(container_cpu_cfs_periods_total{}[5m])) by (container, pod, namespace)\n > ( 100 / 100 )\n",
"for": "15m",
"labels": {
"severity": "warning"
@ -733,10 +602,10 @@ data:
{
"alert": "KubePersistentVolumeUsageCritical",
"annotations": {
"message": "The PersistentVolume claimed by {{ $labels.persistentvolumeclaim }} in Namespace {{ $labels.namespace }} is only {{ printf \"%0.2f\" $value }}% free.",
"message": "The PersistentVolume claimed by {{ $labels.persistentvolumeclaim }} in Namespace {{ $labels.namespace }} is only {{ $value | humanizePercentage }} free.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubepersistentvolumeusagecritical"
},
"expr": "100 * kubelet_volume_stats_available_bytes{job=\"kubelet\"}\n /\nkubelet_volume_stats_capacity_bytes{job=\"kubelet\"}\n < 3\n",
"expr": "kubelet_volume_stats_available_bytes{job=\"kubelet\"}\n /\nkubelet_volume_stats_capacity_bytes{job=\"kubelet\"}\n < 0.03\n",
"for": "1m",
"labels": {
"severity": "critical"
@ -745,10 +614,10 @@ data:
{
"alert": "KubePersistentVolumeFullInFourDays",
"annotations": {
"message": "Based on recent sampling, the PersistentVolume claimed by {{ $labels.persistentvolumeclaim }} in Namespace {{ $labels.namespace }} is expected to fill up within four days. Currently {{ printf \"%0.2f\" $value }}% is available.",
"message": "Based on recent sampling, the PersistentVolume claimed by {{ $labels.persistentvolumeclaim }} in Namespace {{ $labels.namespace }} is expected to fill up within four days. Currently {{ $value | humanizePercentage }} is available.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubepersistentvolumefullinfourdays"
},
"expr": "100 * (\n kubelet_volume_stats_available_bytes{job=\"kubelet\"}\n /\n kubelet_volume_stats_capacity_bytes{job=\"kubelet\"}\n) < 15\nand\npredict_linear(kubelet_volume_stats_available_bytes{job=\"kubelet\"}[6h], 4 * 24 * 3600) < 0\n",
"expr": "(\n kubelet_volume_stats_available_bytes{job=\"kubelet\"}\n /\n kubelet_volume_stats_capacity_bytes{job=\"kubelet\"}\n) < 0.15\nand\npredict_linear(kubelet_volume_stats_available_bytes{job=\"kubelet\"}[6h], 4 * 24 * 3600) < 0\n",
"for": "5m",
"labels": {
"severity": "critical"
@ -771,37 +640,13 @@ data:
{
"name": "kubernetes-system",
"rules": [
{
"alert": "KubeNodeNotReady",
"annotations": {
"message": "{{ $labels.node }} has been unready for more than an hour.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubenodenotready"
},
"expr": "kube_node_status_condition{job=\"kube-state-metrics\",condition=\"Ready\",status=\"true\"} == 0\n",
"for": "1h",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeVersionMismatch",
"annotations": {
"message": "There are {{ $value }} different semantic versions of Kubernetes components running.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeversionmismatch"
},
"expr": "count(count by (gitVersion) (label_replace(kubernetes_build_info{job!=\"coredns\"},\"gitVersion\",\"$1\",\"gitVersion\",\"(v[0-9]*.[0-9]*.[0-9]*).*\"))) > 1\n",
"for": "1h",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeClientErrors",
"annotations": {
"message": "Kubernetes API server client '{{ $labels.job }}/{{ $labels.instance }}' is experiencing {{ printf \"%0.0f\" $value }}% errors.'",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeclienterrors"
},
"expr": "(sum(rate(rest_client_requests_total{code=~\"5..\"}[5m])) by (instance, job)\n /\nsum(rate(rest_client_requests_total[5m])) by (instance, job))\n* 100 > 1\n",
"expr": "count(count by (gitVersion) (label_replace(kubernetes_build_info{job!~\"kube-dns|coredns\"},\"gitVersion\",\"$1\",\"gitVersion\",\"(v[0-9]*.[0-9]*.[0-9]*).*\"))) > 1\n",
"for": "15m",
"labels": {
"severity": "warning"
@ -810,34 +655,27 @@ data:
{
"alert": "KubeClientErrors",
"annotations": {
"message": "Kubernetes API server client '{{ $labels.job }}/{{ $labels.instance }}' is experiencing {{ printf \"%0.0f\" $value }} errors / second.",
"message": "Kubernetes API server client '{{ $labels.job }}/{{ $labels.instance }}' is experiencing {{ $value | humanizePercentage }} errors.'",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeclienterrors"
},
"expr": "sum(rate(ksm_scrape_error_total{job=\"kube-state-metrics\"}[5m])) by (instance, job) > 0.1\n",
"expr": "(sum(rate(rest_client_requests_total{code=~\"5..\"}[5m])) by (instance, job)\n /\nsum(rate(rest_client_requests_total[5m])) by (instance, job))\n> 0.01\n",
"for": "15m",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeletTooManyPods",
"annotations": {
"message": "Kubelet {{ $labels.instance }} is running {{ $value }} Pods, close to the limit of 110.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubelettoomanypods"
},
"expr": "kubelet_running_pod_count{job=\"kubelet\"} > 110 * 0.9\n",
"for": "15m",
"labels": {
"severity": "warning"
}
},
}
]
},
{
"name": "kubernetes-system-apiserver",
"rules": [
{
"alert": "KubeAPILatencyHigh",
"annotations": {
"message": "The API server has a 99th percentile latency of {{ $value }} seconds for {{ $labels.verb }} {{ $labels.resource }}.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapilatencyhigh"
},
"expr": "cluster_quantile:apiserver_request_duration_seconds:histogram_quantile{job=\"apiserver\",quantile=\"0.99\",subresource!=\"log\",verb!~\"^(?:LIST|WATCH|WATCHLIST|PROXY|CONNECT)$\"} > 1\n",
"expr": "cluster_quantile:apiserver_request_duration_seconds:histogram_quantile{job=\"apiserver\",quantile=\"0.99\",subresource!=\"log\",verb!~\"LIST|WATCH|WATCHLIST|PROXY|CONNECT\"} > 1\n",
"for": "10m",
"labels": {
"severity": "warning"
@ -849,7 +687,7 @@ data:
"message": "The API server has a 99th percentile latency of {{ $value }} seconds for {{ $labels.verb }} {{ $labels.resource }}.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapilatencyhigh"
},
"expr": "cluster_quantile:apiserver_request_duration_seconds:histogram_quantile{job=\"apiserver\",quantile=\"0.99\",subresource!=\"log\",verb!~\"^(?:LIST|WATCH|WATCHLIST|PROXY|CONNECT)$\"} > 4\n",
"expr": "cluster_quantile:apiserver_request_duration_seconds:histogram_quantile{job=\"apiserver\",quantile=\"0.99\",subresource!=\"log\",verb!~\"LIST|WATCH|WATCHLIST|PROXY|CONNECT\"} > 4\n",
"for": "10m",
"labels": {
"severity": "critical"
@ -858,10 +696,10 @@ data:
{
"alert": "KubeAPIErrorsHigh",
"annotations": {
"message": "API server is returning errors for {{ $value }}% of requests.",
"message": "API server is returning errors for {{ $value | humanizePercentage }} of requests.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapierrorshigh"
},
"expr": "sum(rate(apiserver_request_total{job=\"apiserver\",code=~\"^(?:5..)$\"}[5m]))\n /\nsum(rate(apiserver_request_total{job=\"apiserver\"}[5m])) * 100 > 3\n",
"expr": "sum(rate(apiserver_request_total{job=\"apiserver\",code=~\"5..\"}[5m]))\n /\nsum(rate(apiserver_request_total{job=\"apiserver\"}[5m])) > 0.03\n",
"for": "10m",
"labels": {
"severity": "critical"
@ -870,10 +708,10 @@ data:
{
"alert": "KubeAPIErrorsHigh",
"annotations": {
"message": "API server is returning errors for {{ $value }}% of requests.",
"message": "API server is returning errors for {{ $value | humanizePercentage }} of requests.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapierrorshigh"
},
"expr": "sum(rate(apiserver_request_total{job=\"apiserver\",code=~\"^(?:5..)$\"}[5m]))\n /\nsum(rate(apiserver_request_total{job=\"apiserver\"}[5m])) * 100 > 1\n",
"expr": "sum(rate(apiserver_request_total{job=\"apiserver\",code=~\"5..\"}[5m]))\n /\nsum(rate(apiserver_request_total{job=\"apiserver\"}[5m])) > 0.01\n",
"for": "10m",
"labels": {
"severity": "warning"
@ -882,10 +720,10 @@ data:
{
"alert": "KubeAPIErrorsHigh",
"annotations": {
"message": "API server is returning errors for {{ $value }}% of requests for {{ $labels.verb }} {{ $labels.resource }} {{ $labels.subresource }}.",
"message": "API server is returning errors for {{ $value | humanizePercentage }} of requests for {{ $labels.verb }} {{ $labels.resource }} {{ $labels.subresource }}.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapierrorshigh"
},
"expr": "sum(rate(apiserver_request_total{job=\"apiserver\",code=~\"^(?:5..)$\"}[5m])) by (resource,subresource,verb)\n /\nsum(rate(apiserver_request_total{job=\"apiserver\"}[5m])) by (resource,subresource,verb) * 100 > 10\n",
"expr": "sum(rate(apiserver_request_total{job=\"apiserver\",code=~\"5..\"}[5m])) by (resource,subresource,verb)\n /\nsum(rate(apiserver_request_total{job=\"apiserver\"}[5m])) by (resource,subresource,verb) > 0.10\n",
"for": "10m",
"labels": {
"severity": "critical"
@ -894,10 +732,10 @@ data:
{
"alert": "KubeAPIErrorsHigh",
"annotations": {
"message": "API server is returning errors for {{ $value }}% of requests for {{ $labels.verb }} {{ $labels.resource }} {{ $labels.subresource }}.",
"message": "API server is returning errors for {{ $value | humanizePercentage }} of requests for {{ $labels.verb }} {{ $labels.resource }} {{ $labels.subresource }}.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapierrorshigh"
},
"expr": "sum(rate(apiserver_request_total{job=\"apiserver\",code=~\"^(?:5..)$\"}[5m])) by (resource,subresource,verb)\n /\nsum(rate(apiserver_request_total{job=\"apiserver\"}[5m])) by (resource,subresource,verb) * 100 > 5\n",
"expr": "sum(rate(apiserver_request_total{job=\"apiserver\",code=~\"5..\"}[5m])) by (resource,subresource,verb)\n /\nsum(rate(apiserver_request_total{job=\"apiserver\"}[5m])) by (resource,subresource,verb) > 0.05\n",
"for": "10m",
"labels": {
"severity": "warning"
@ -924,68 +762,15 @@ data:
"labels": {
"severity": "critical"
}
}
]
}
]
}
kubeprom.yaml: |-
{
"groups": [
{
"name": "kube-prometheus-node-recording.rules",
"rules": [
{
"expr": "sum(rate(node_cpu_seconds_total{mode!=\"idle\",mode!=\"iowait\"}[3m])) BY (instance)",
"record": "instance:node_cpu:rate:sum"
},
{
"expr": "sum((node_filesystem_size_bytes{mountpoint=\"/\"} - node_filesystem_free_bytes{mountpoint=\"/\"})) BY (instance)",
"record": "instance:node_filesystem_usage:sum"
},
{
"expr": "sum(rate(node_network_receive_bytes_total[3m])) BY (instance)",
"record": "instance:node_network_receive_bytes:rate:sum"
},
{
"expr": "sum(rate(node_network_transmit_bytes_total[3m])) BY (instance)",
"record": "instance:node_network_transmit_bytes:rate:sum"
},
{
"expr": "sum(rate(node_cpu_seconds_total{mode!=\"idle\",mode!=\"iowait\"}[5m])) WITHOUT (cpu, mode) / ON(instance) GROUP_LEFT() count(sum(node_cpu_seconds_total) BY (instance, cpu)) BY (instance)",
"record": "instance:node_cpu:ratio"
},
{
"expr": "sum(rate(node_cpu_seconds_total{mode!=\"idle\",mode!=\"iowait\"}[5m]))",
"record": "cluster:node_cpu:sum_rate5m"
},
{
"expr": "cluster:node_cpu_seconds_total:rate5m / count(sum(node_cpu_seconds_total) BY (instance, cpu))",
"record": "cluster:node_cpu:ratio"
}
]
},
{
"name": "kube-prometheus-node-alerting.rules",
"rules": [
{
"alert": "NodeDiskRunningFull",
"alert": "KubeAPIDown",
"annotations": {
"message": "Device {{ $labels.device }} of node-exporter {{ $labels.namespace }}/{{ $labels.pod }} will be full within the next 24 hours."
"message": "KubeAPI has disappeared from Prometheus target discovery.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapidown"
},
"expr": "(node:node_filesystem_usage: > 0.85) and (predict_linear(node:node_filesystem_avail:[6h], 3600 * 24) < 0)\n",
"for": "30m",
"labels": {
"severity": "warning"
}
},
{
"alert": "NodeDiskRunningFull",
"annotations": {
"message": "Device {{ $labels.device }} of node-exporter {{ $labels.namespace }}/{{ $labels.pod }} will be full within the next 2 hours."
},
"expr": "(node:node_filesystem_usage: > 0.85) and (predict_linear(node:node_filesystem_avail:[30m], 3600 * 2) < 0)\n",
"for": "10m",
"expr": "absent(up{job=\"apiserver\"} == 1)\n",
"for": "15m",
"labels": {
"severity": "critical"
}
@ -993,69 +778,215 @@ data:
]
},
{
"name": "node-time",
"name": "kubernetes-system-kubelet",
"rules": [
{
"alert": "ClockSkewDetected",
"alert": "KubeNodeNotReady",
"annotations": {
"message": "Clock skew detected on node-exporter {{ $labels.namespace }}/{{ $labels.pod }}. Ensure NTP is configured correctly on this host."
"message": "{{ $labels.node }} has been unready for more than 15 minutes.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubenodenotready"
},
"expr": "abs(node_timex_offset_seconds{job=\"node-exporter\"}) > 0.03\n",
"for": "2m",
"labels": {
"severity": "warning"
}
}
]
},
{
"name": "node-network",
"rules": [
{
"alert": "NetworkReceiveErrors",
"annotations": {
"message": "Network interface \"{{ $labels.device }}\" showing receive errors on node-exporter {{ $labels.namespace }}/{{ $labels.pod }}\""
},
"expr": "rate(node_network_receive_errs_total{job=\"node-exporter\",device!~\"veth.+|tunl.+\"}[2m]) > 0\n",
"for": "2m",
"expr": "kube_node_status_condition{job=\"kube-state-metrics\",condition=\"Ready\",status=\"true\"} == 0\n",
"for": "15m",
"labels": {
"severity": "warning"
}
},
{
"alert": "NetworkTransmitErrors",
"alert": "KubeNodeUnreachable",
"annotations": {
"message": "Network interface \"{{ $labels.device }}\" showing transmit errors on node-exporter {{ $labels.namespace }}/{{ $labels.pod }}\""
"message": "{{ $labels.node }} is unreachable and some workloads may be rescheduled.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubenodeunreachable"
},
"expr": "rate(node_network_transmit_errs_total{job=\"node-exporter\",device!~\"veth.+|tunl.+\"}[2m]) > 0\n",
"for": "2m",
"expr": "kube_node_spec_taint{job=\"kube-state-metrics\",key=\"node.kubernetes.io/unreachable\",effect=\"NoSchedule\"} == 1\n",
"labels": {
"severity": "warning"
}
},
{
"alert": "NodeNetworkInterfaceFlapping",
"alert": "KubeletTooManyPods",
"annotations": {
"message": "Network interface \"{{ $labels.device }}\" changing it's up status often on node-exporter {{ $labels.namespace }}/{{ $labels.pod }}\""
"message": "Kubelet '{{ $labels.node }}' is running at {{ $value | humanizePercentage }} of its Pod capacity.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubelettoomanypods"
},
"expr": "changes(node_network_up{job=\"node-exporter\",device!~\"veth.+|tunl.+\"}[2m]) > 2\n",
"for": "2m",
"expr": "max(max(kubelet_running_pod_count{job=\"kubelet\"}) by(instance) * on(instance) group_left(node) kubelet_node_name{job=\"kubelet\"}) by(node) / max(kube_node_status_capacity_pods{job=\"kube-state-metrics\"}) by(node) > 0.95\n",
"for": "15m",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeletDown",
"annotations": {
"message": "Kubelet has disappeared from Prometheus target discovery.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeletdown"
},
"expr": "absent(up{job=\"kubelet\"} == 1)\n",
"for": "15m",
"labels": {
"severity": "critical"
}
}
]
},
{
"name": "general.rules",
"name": "kubernetes-system-scheduler",
"rules": [
{
"alert": "TargetDown",
"alert": "KubeSchedulerDown",
"annotations": {
"message": "{{ $value }}% of the {{ $labels.job }} targets are down."
"message": "KubeScheduler has disappeared from Prometheus target discovery.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeschedulerdown"
},
"expr": "100 * (count(up == 0) BY (job) / count(up) BY (job)) > 10",
"for": "10m",
"expr": "absent(up{job=\"kube-scheduler\"} == 1)\n",
"for": "15m",
"labels": {
"severity": "critical"
}
}
]
},
{
"name": "kubernetes-system-controller-manager",
"rules": [
{
"alert": "KubeControllerManagerDown",
"annotations": {
"message": "KubeControllerManager has disappeared from Prometheus target discovery.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubecontrollermanagerdown"
},
"expr": "absent(up{job=\"kube-controller-manager\"} == 1)\n",
"for": "15m",
"labels": {
"severity": "critical"
}
}
]
}
]
}
node-exporter.yaml: |-
{
"groups": [
{
"name": "node-exporter",
"rules": [
{
"alert": "NodeFilesystemSpaceFillingUp",
"annotations": {
"description": "Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf \"%.2f\" $value }}% available space left and is filling up.",
"summary": "Filesystem is predicted to run out of space within the next 24 hours."
},
"expr": "(\n node_filesystem_avail_bytes{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} / node_filesystem_size_bytes{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} * 100 < 40\nand\n predict_linear(node_filesystem_avail_bytes{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"}[6h], 24*60*60) < 0\nand\n node_filesystem_readonly{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} == 0\n)\n",
"for": "1h",
"labels": {
"severity": "warning"
}
},
{
"alert": "NodeFilesystemSpaceFillingUp",
"annotations": {
"description": "Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf \"%.2f\" $value }}% available space left and is filling up fast.",
"summary": "Filesystem is predicted to run out of space within the next 4 hours."
},
"expr": "(\n node_filesystem_avail_bytes{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} / node_filesystem_size_bytes{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} * 100 < 20\nand\n predict_linear(node_filesystem_avail_bytes{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"}[6h], 4*60*60) < 0\nand\n node_filesystem_readonly{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} == 0\n)\n",
"for": "1h",
"labels": {
"severity": "critical"
}
},
{
"alert": "NodeFilesystemAlmostOutOfSpace",
"annotations": {
"description": "Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf \"%.2f\" $value }}% available space left.",
"summary": "Filesystem has less than 5% space left."
},
"expr": "(\n node_filesystem_avail_bytes{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} / node_filesystem_size_bytes{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} * 100 < 5\nand\n node_filesystem_readonly{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} == 0\n)\n",
"for": "1h",
"labels": {
"severity": "warning"
}
},
{
"alert": "NodeFilesystemAlmostOutOfSpace",
"annotations": {
"description": "Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf \"%.2f\" $value }}% available space left.",
"summary": "Filesystem has less than 3% space left."
},
"expr": "(\n node_filesystem_avail_bytes{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} / node_filesystem_size_bytes{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} * 100 < 3\nand\n node_filesystem_readonly{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} == 0\n)\n",
"for": "1h",
"labels": {
"severity": "critical"
}
},
{
"alert": "NodeFilesystemFilesFillingUp",
"annotations": {
"description": "Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf \"%.2f\" $value }}% available inodes left and is filling up.",
"summary": "Filesystem is predicted to run out of inodes within the next 24 hours."
},
"expr": "(\n node_filesystem_files_free{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} / node_filesystem_files{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} * 100 < 40\nand\n predict_linear(node_filesystem_files_free{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"}[6h], 24*60*60) < 0\nand\n node_filesystem_readonly{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} == 0\n)\n",
"for": "1h",
"labels": {
"severity": "warning"
}
},
{
"alert": "NodeFilesystemFilesFillingUp",
"annotations": {
"description": "Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf \"%.2f\" $value }}% available inodes left and is filling up fast.",
"summary": "Filesystem is predicted to run out of inodes within the next 4 hours."
},
"expr": "(\n node_filesystem_files_free{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} / node_filesystem_files{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} * 100 < 20\nand\n predict_linear(node_filesystem_files_free{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"}[6h], 4*60*60) < 0\nand\n node_filesystem_readonly{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} == 0\n)\n",
"for": "1h",
"labels": {
"severity": "critical"
}
},
{
"alert": "NodeFilesystemAlmostOutOfFiles",
"annotations": {
"description": "Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf \"%.2f\" $value }}% available inodes left.",
"summary": "Filesystem has less than 5% inodes left."
},
"expr": "(\n node_filesystem_files_free{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} / node_filesystem_files{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} * 100 < 5\nand\n node_filesystem_readonly{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} == 0\n)\n",
"for": "1h",
"labels": {
"severity": "warning"
}
},
{
"alert": "NodeFilesystemAlmostOutOfFiles",
"annotations": {
"description": "Filesystem on {{ $labels.device }} at {{ $labels.instance }} has only {{ printf \"%.2f\" $value }}% available inodes left.",
"summary": "Filesystem has less than 3% inodes left."
},
"expr": "(\n node_filesystem_files_free{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} / node_filesystem_files{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} * 100 < 3\nand\n node_filesystem_readonly{job=\"node-exporter\",fstype!~\"tmpfs|nsfs|vfat\"} == 0\n)\n",
"for": "1h",
"labels": {
"severity": "critical"
}
},
{
"alert": "NodeNetworkReceiveErrs",
"annotations": {
"description": "{{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf \"%.0f\" $value }} receive errors in the last two minutes.",
"summary": "Network interface is reporting many receive errors."
},
"expr": "increase(node_network_receive_errs_total[2m]) > 10\n",
"for": "1h",
"labels": {
"severity": "warning"
}
},
{
"alert": "NodeNetworkTransmitErrs",
"annotations": {
"description": "{{ $labels.instance }} interface {{ $labels.device }} has encountered {{ printf \"%.0f\" $value }} transmit errors in the last two minutes.",
"summary": "Network interface is reporting many transmit errors."
},
"expr": "increase(node_network_transmit_errs_total[2m]) > 10\n",
"for": "1h",
"labels": {
"severity": "warning"
}
@ -1154,18 +1085,6 @@ data:
"severity": "warning"
}
},
{
"alert": "PrometheusTSDBWALCorruptions",
"annotations": {
"description": "Prometheus {{$labels.instance}} has detected {{$value | humanize}} corruptions of the write-ahead log (WAL) over the last 3h.",
"summary": "Prometheus is detecting WAL corruptions."
},
"expr": "increase(tsdb_wal_corruptions_total{job=\"prometheus\"}[3h]) > 0\n",
"for": "4h",
"labels": {
"severity": "warning"
}
},
{
"alert": "PrometheusNotIngestingSamples",
"annotations": {
@ -1181,7 +1100,7 @@ data:
{
"alert": "PrometheusDuplicateTimestamps",
"annotations": {
"description": "Prometheus {{$labels.instance}} is dropping {{$value | humanize}} samples/s with different values but duplicated timestamp.",
"description": "Prometheus {{$labels.instance}} is dropping {{ printf \"%.4g\" $value }} samples/s with different values but duplicated timestamp.",
"summary": "Prometheus is dropping samples with duplicate timestamps."
},
"expr": "rate(prometheus_target_scrapes_sample_duplicate_timestamp_total{job=\"prometheus\"}[5m]) > 0\n",
@ -1193,7 +1112,7 @@ data:
{
"alert": "PrometheusOutOfOrderTimestamps",
"annotations": {
"description": "Prometheus {{$labels.instance}} is dropping {{$value | humanize}} samples/s with timestamps arriving out of order.",
"description": "Prometheus {{$labels.instance}} is dropping {{ printf \"%.4g\" $value }} samples/s with timestamps arriving out of order.",
"summary": "Prometheus drops samples with out-of-order timestamps."
},
"expr": "rate(prometheus_target_scrapes_sample_out_of_order_total{job=\"prometheus\"}[5m]) > 0\n",
@ -1226,6 +1145,18 @@ data:
"severity": "critical"
}
},
{
"alert": "PrometheusRemoteWriteDesiredShards",
"annotations": {
"description": "Prometheus {{$labels.instance}} remote write desired shards calculation wants to run {{ printf $value }} shards, which is more than the max of {{ printf `prometheus_remote_storage_shards_max{instance=\"%s\",job=\"prometheus\"}` $labels.instance | query | first | value }}.",
"summary": "Prometheus remote write desired shards calculation wants to run more than configured max shards."
},
"expr": "# Without max_over_time, failed scrapes could create false negatives, see\n# https://www.robustperception.io/alerting-on-gauges-in-prometheus-2-0 for details.\n(\n max_over_time(prometheus_remote_storage_shards_desired{job=\"prometheus\"}[5m])\n> on(job, instance) group_right\n max_over_time(prometheus_remote_storage_shards_max{job=\"prometheus\"}[5m])\n)\n",
"for": "15m",
"labels": {
"severity": "warning"
}
},
{
"alert": "PrometheusRuleFailures",
"annotations": {
@ -1254,3 +1185,44 @@ data:
}
]
}
typhoon.yaml: |-
{
"groups": [
{
"name": "general.rules",
"rules": [
{
"alert": "TargetDown",
"annotations": {
"message": "{{ printf \"%.4g\" $value }}% of the {{ $labels.job }} targets are down."
},
"expr": "100 * (count(up == 0) BY (job, namespace, service) / count(up) BY (job, namespace, service)) > 10",
"for": "10m",
"labels": {
"severity": "warning"
}
}
]
},
{
"name": "extra.rules",
"rules": [
{
"alert": "InactiveRAIDDisk",
"annotations": {
"message": "{{ $value }} RAID disk(s) on node {{ $labels.instance }} are inactive."
},
"expr": "node_md_disks - node_md_disks_active > 0",
"for": "10m",
"labels": {
"severity": "warning"
}
}
]
}
]
}
kind: ConfigMap
metadata:
name: prometheus-rules
namespace: monitoring

View File

@ -5,6 +5,7 @@ metadata:
namespace: monitoring
annotations:
prometheus.io/scrape: 'true'
prometheus.io/port: '9090'
spec:
type: ClusterIP
selector:

View File

@ -11,7 +11,7 @@ Typhoon distributes upstream Kubernetes, architectural conventions, and cluster
## Features <a href="https://www.cncf.io/certification/software-conformance/"><img align="right" src="https://storage.googleapis.com/poseidon/certified-kubernetes.png"></a>
* Kubernetes v1.16.0 (upstream)
* Kubernetes v1.17.3 (upstream)
* Single or multi-master, [Calico](https://www.projectcalico.org/) or [flannel](https://github.com/coreos/flannel) networking
* On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled, [network policy](https://kubernetes.io/docs/concepts/services-networking/network-policies/)
* Advanced features like [worker pools](https://typhoon.psdn.io/advanced/worker-pools/), [spot](https://typhoon.psdn.io/cl/aws/#spot) workers, and [snippets](https://typhoon.psdn.io/advanced/customization/#container-linux) customization

View File

@ -4,8 +4,8 @@ locals {
# flatcar-stable -> Flatcar Linux AMI
ami_id = local.flavor == "flatcar" ? data.aws_ami.flatcar.image_id : data.aws_ami.coreos.image_id
flavor = element(split("-", var.os_image), 0)
channel = element(split("-", var.os_image), 1)
flavor = split("-", var.os_image)[0]
channel = split("-", var.os_image)[1]
}
data "aws_ami" "coreos" {

View File

@ -1,6 +1,6 @@
# Kubernetes assets (kubeconfig, manifests)
module "bootstrap" {
source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=539b725093c8cd94ba46603adb25ac5280562ec8"
source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=796194583426593d1a62b6f1bf3f7ffed8fca140"
cluster_name = var.cluster_name
api_servers = [format("%s.%s", var.cluster_name, var.dns_zone)]

View File

@ -7,7 +7,7 @@ systemd:
- name: 40-etcd-cluster.conf
contents: |
[Service]
Environment="ETCD_IMAGE_TAG=v3.4.0"
Environment="ETCD_IMAGE_TAG=v3.4.3"
Environment="ETCD_NAME=${etcd_name}"
Environment="ETCD_ADVERTISE_CLIENT_URLS=https://${etcd_domain}:2379"
Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=https://${etcd_domain}:2380"
@ -50,29 +50,47 @@ systemd:
Description=Kubelet via Hyperkube
Wants=rpc-statd.service
[Service]
EnvironmentFile=/etc/kubernetes/kubelet.env
Environment="RKT_RUN_ARGS=--uuid-file-save=/var/cache/kubelet-pod.uuid \
--volume=resolv,kind=host,source=/etc/resolv.conf \
--mount volume=resolv,target=/etc/resolv.conf \
--volume var-lib-cni,kind=host,source=/var/lib/cni \
--mount volume=var-lib-cni,target=/var/lib/cni \
--volume var-lib-calico,kind=host,source=/var/lib/calico \
--mount volume=var-lib-calico,target=/var/lib/calico \
--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
--mount volume=opt-cni-bin,target=/opt/cni/bin \
--volume var-log,kind=host,source=/var/log \
--mount volume=var-log,target=/var/log \
--insecure-options=image"
Environment=KUBELET_CGROUP_DRIVER=${cgroup_driver}
ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d
ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
ExecStartPre=/bin/mkdir -p /opt/cni/bin
ExecStartPre=/bin/mkdir -p /var/lib/cni
ExecStartPre=/bin/mkdir -p /var/lib/calico
ExecStartPre=/bin/mkdir -p /var/lib/kubelet/volumeplugins
ExecStartPre=/usr/bin/bash -c "grep 'certificate-authority-data' /etc/kubernetes/kubeconfig | awk '{print $2}' | base64 -d > /etc/kubernetes/ca.crt"
ExecStartPre=-/usr/bin/rkt rm --uuid-file=/var/cache/kubelet-pod.uuid
ExecStart=/usr/lib/coreos/kubelet-wrapper \
ExecStart=/usr/bin/rkt run \
--uuid-file-save=/var/cache/kubelet-pod.uuid \
--stage1-from-dir=stage1-fly.aci \
--hosts-entry host \
--insecure-options=image \
--volume etc-kubernetes,kind=host,source=/etc/kubernetes,readOnly=true \
--mount volume=etc-kubernetes,target=/etc/kubernetes \
--volume etc-machine-id,kind=host,source=/etc/machine-id,readOnly=true \
--mount volume=etc-machine-id,target=/etc/machine-id \
--volume etc-os-release,kind=host,source=/usr/lib/os-release,readOnly=true \
--mount volume=etc-os-release,target=/etc/os-release \
--volume=etc-resolv,kind=host,source=/etc/resolv.conf,readOnly=true \
--mount volume=etc-resolv,target=/etc/resolv.conf \
--volume etc-ssl-certs,kind=host,source=/etc/ssl/certs,readOnly=true \
--mount volume=etc-ssl-certs,target=/etc/ssl/certs \
--volume lib-modules,kind=host,source=/lib/modules,readOnly=true \
--mount volume=lib-modules,target=/lib/modules \
--volume run,kind=host,source=/run \
--mount volume=run,target=/run \
--volume usr-share-certs,kind=host,source=/usr/share/ca-certificates,readOnly=true \
--mount volume=usr-share-certs,target=/usr/share/ca-certificates \
--volume var-lib-calico,kind=host,source=/var/lib/calico \
--mount volume=var-lib-calico,target=/var/lib/calico \
--volume var-lib-docker,kind=host,source=/var/lib/docker \
--mount volume=var-lib-docker,target=/var/lib/docker \
--volume var-lib-kubelet,kind=host,source=/var/lib/kubelet,recursive=true \
--mount volume=var-lib-kubelet,target=/var/lib/kubelet \
--volume var-log,kind=host,source=/var/log \
--mount volume=var-log,target=/var/log \
--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
--mount volume=opt-cni-bin,target=/opt/cni/bin \
docker://k8s.gcr.io/hyperkube:v1.17.3 \
--exec=/usr/local/bin/kubelet -- \
--anonymous-auth=false \
--authentication-token-webhook \
--authorization-mode=Webhook \
@ -82,6 +100,7 @@ systemd:
--cluster_domain=${cluster_domain_suffix} \
--cni-conf-dir=/etc/kubernetes/cni/net.d \
--exit-on-lock-contention \
--healthz-port=0 \
--kubeconfig=/etc/kubernetes/kubeconfig \
--lock-file=/var/run/lock/kubelet.lock \
--network-plugin=cni \
@ -108,12 +127,14 @@ systemd:
ExecStartPre=-/usr/bin/bash -c 'set -x && [ -n "$(ls /opt/bootstrap/assets/manifests-*/* 2>/dev/null)" ] && mv /opt/bootstrap/assets/manifests-*/* /opt/bootstrap/assets/manifests && rm -rf /opt/bootstrap/assets/manifests-*'
ExecStart=/usr/bin/rkt run \
--trust-keys-from-https \
--volume config,kind=host,source=/etc/kubernetes/bootstrap-secrets \
--mount volume=config,target=/etc/kubernetes/secrets \
--volume assets,kind=host,source=/opt/bootstrap/assets \
--mount volume=assets,target=/assets \
--volume script,kind=host,source=/opt/bootstrap/apply \
--mount volume=script,target=/apply \
--insecure-options=image \
docker://k8s.gcr.io/hyperkube:v1.16.0 \
docker://k8s.gcr.io/hyperkube:v1.17.3 \
--net=host \
--dns=host \
--exec=/apply
@ -128,20 +149,35 @@ storage:
contents:
inline: |
${kubeconfig}
- path: /etc/kubernetes/kubelet.env
- path: /opt/bootstrap/layout
filesystem: root
mode: 0644
mode: 0544
contents:
inline: |
KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube
KUBELET_IMAGE_TAG=v1.16.0
#!/bin/bash -e
mkdir -p -- auth tls/etcd tls/k8s static-manifests manifests/coredns manifests-networking
awk '/#####/ {filename=$2; next} {print > filename}' assets
mkdir -p /etc/ssl/etcd/etcd
mkdir -p /etc/kubernetes/bootstrap-secrets
mv tls/etcd/{peer*,server*} /etc/ssl/etcd/etcd/
mv tls/etcd/etcd-client* /etc/kubernetes/bootstrap-secrets/
chown -R etcd:etcd /etc/ssl/etcd
chmod -R 500 /etc/ssl/etcd
mv auth/kubeconfig /etc/kubernetes/bootstrap-secrets/
mv tls/k8s/* /etc/kubernetes/bootstrap-secrets/
sudo mkdir -p /etc/kubernetes/manifests
sudo mv static-manifests/* /etc/kubernetes/manifests/
sudo mkdir -p /opt/bootstrap/assets
sudo mv manifests /opt/bootstrap/assets/manifests
sudo mv manifests-networking /opt/bootstrap/assets/manifests-networking
rm -rf assets auth static-manifests tls
- path: /opt/bootstrap/apply
filesystem: root
mode: 0544
contents:
inline: |
#!/bin/bash -e
export KUBECONFIG=/assets/auth/kubeconfig
export KUBECONFIG=/etc/kubernetes/secrets/kubeconfig
until kubectl version; do
echo "Waiting for static pod control plane"
sleep 5

View File

@ -10,7 +10,7 @@ resource "aws_route53_record" "etcds" {
ttl = 300
# private IPv4 address for etcd
records = [element(aws_instance.controllers.*.private_ip, count.index)]
records = [aws_instance.controllers.*.private_ip[count.index]]
}
# Controller instances
@ -24,7 +24,7 @@ resource "aws_instance" "controllers" {
instance_type = var.controller_type
ami = local.ami_id
user_data = element(data.ct_config.controller-ignitions.*.rendered, count.index)
user_data = data.ct_config.controller-ignitions.*.rendered[count.index]
# storage
root_block_device {
@ -36,7 +36,7 @@ resource "aws_instance" "controllers" {
# network
associate_public_ip_address = true
subnet_id = element(aws_subnet.public.*.id, count.index)
subnet_id = aws_subnet.public.*.id[count.index]
vpc_security_group_ids = [aws_security_group.controller.id]
lifecycle {
@ -49,11 +49,8 @@ resource "aws_instance" "controllers" {
# Controller Ignition configs
data "ct_config" "controller-ignitions" {
count = var.controller_count
content = element(
data.template_file.controller-configs.*.rendered,
count.index,
)
count = var.controller_count
content = data.template_file.controller-configs.*.rendered[count.index]
pretty_print = false
snippets = var.controller_clc_snippets
}
@ -62,7 +59,7 @@ data "ct_config" "controller-ignitions" {
data "template_file" "controller-configs" {
count = var.controller_count
template = file("${path.module}/cl/controller.yaml.tmpl")
template = file("${path.module}/cl/controller.yaml")
vars = {
# Cannot use cyclic dependencies on controllers or their DNS records

View File

@ -62,6 +62,6 @@ resource "aws_route_table_association" "public" {
count = length(data.aws_availability_zones.all.names)
route_table_id = aws_route_table.default.id
subnet_id = element(aws_subnet.public.*.id, count.index)
subnet_id = aws_subnet.public.*.id[count.index]
}

View File

@ -88,7 +88,7 @@ resource "aws_lb_target_group_attachment" "controllers" {
count = var.controller_count
target_group_arn = aws_lb_target_group.controllers.arn
target_id = element(aws_instance.controllers.*.id, count.index)
target_id = aws_instance.controllers.*.id[count.index]
port = 6443
}

View File

@ -33,6 +33,28 @@ resource "aws_security_group_rule" "controller-etcd" {
self = true
}
# Allow Prometheus to scrape etcd metrics
resource "aws_security_group_rule" "controller-etcd-metrics" {
security_group_id = aws_security_group.controller.id
type = "ingress"
protocol = "tcp"
from_port = 2381
to_port = 2381
source_security_group_id = aws_security_group.worker.id
}
# Allow Prometheus to scrape kube-proxy
resource "aws_security_group_rule" "kube-proxy-metrics" {
security_group_id = aws_security_group.controller.id
type = "ingress"
protocol = "tcp"
from_port = 10249
to_port = 10249
source_security_group_id = aws_security_group.worker.id
}
# Allow Prometheus to scrape kube-scheduler
resource "aws_security_group_rule" "controller-scheduler-metrics" {
security_group_id = aws_security_group.controller.id
@ -55,17 +77,6 @@ resource "aws_security_group_rule" "controller-manager-metrics" {
source_security_group_id = aws_security_group.worker.id
}
# Allow Prometheus to scrape etcd metrics
resource "aws_security_group_rule" "controller-etcd-metrics" {
security_group_id = aws_security_group.controller.id
type = "ingress"
protocol = "tcp"
from_port = 2381
to_port = 2381
source_security_group_id = aws_security_group.worker.id
}
resource "aws_security_group_rule" "controller-vxlan" {
count = var.networking == "flannel" ? 1 : 0
@ -281,14 +292,15 @@ resource "aws_security_group_rule" "worker-node-exporter" {
self = true
}
resource "aws_security_group_rule" "ingress-health" {
# Allow Prometheus to scrape kube-proxy
resource "aws_security_group_rule" "worker-kube-proxy" {
security_group_id = aws_security_group.worker.id
type = "ingress"
protocol = "tcp"
from_port = 10254
to_port = 10254
cidr_blocks = ["0.0.0.0/0"]
type = "ingress"
protocol = "tcp"
from_port = 10249
to_port = 10249
self = true
}
# Allow apiserver to access kubelets for exec, log, port-forward
@ -313,6 +325,16 @@ resource "aws_security_group_rule" "worker-kubelet-self" {
self = true
}
resource "aws_security_group_rule" "ingress-health" {
security_group_id = aws_security_group.worker.id
type = "ingress"
protocol = "tcp"
from_port = 10254
to_port = 10254
cidr_blocks = ["0.0.0.0/0"]
}
resource "aws_security_group_rule" "worker-bgp" {
security_group_id = aws_security_group.worker.id

View File

@ -1,7 +1,16 @@
locals {
# format assets for distribution
assets_bundle = [
# header with the unpack location
for key, value in module.bootstrap.assets_dist :
format("##### %s\n%s", key, value)
]
}
# Secure copy assets to controllers.
resource "null_resource" "copy-controller-secrets" {
count = var.controller_count
depends_on = [
module.bootstrap,
]
@ -14,63 +23,13 @@ resource "null_resource" "copy-controller-secrets" {
}
provisioner "file" {
content = module.bootstrap.etcd_ca_cert
destination = "$HOME/etcd-client-ca.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_client_cert
destination = "$HOME/etcd-client.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_client_key
destination = "$HOME/etcd-client.key"
}
provisioner "file" {
content = module.bootstrap.etcd_server_cert
destination = "$HOME/etcd-server.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_server_key
destination = "$HOME/etcd-server.key"
}
provisioner "file" {
content = module.bootstrap.etcd_peer_cert
destination = "$HOME/etcd-peer.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_peer_key
destination = "$HOME/etcd-peer.key"
}
provisioner "file" {
source = var.asset_dir
content = join("\n", local.assets_bundle)
destination = "$HOME/assets"
}
provisioner "remote-exec" {
inline = [
"sudo mkdir -p /etc/ssl/etcd/etcd",
"sudo mv etcd-client* /etc/ssl/etcd/",
"sudo cp /etc/ssl/etcd/etcd-client-ca.crt /etc/ssl/etcd/etcd/server-ca.crt",
"sudo mv etcd-server.crt /etc/ssl/etcd/etcd/server.crt",
"sudo mv etcd-server.key /etc/ssl/etcd/etcd/server.key",
"sudo cp /etc/ssl/etcd/etcd-client-ca.crt /etc/ssl/etcd/etcd/peer-ca.crt",
"sudo mv etcd-peer.crt /etc/ssl/etcd/etcd/peer.crt",
"sudo mv etcd-peer.key /etc/ssl/etcd/etcd/peer.key",
"sudo chown -R etcd:etcd /etc/ssl/etcd",
"sudo chmod -R 500 /etc/ssl/etcd",
"sudo mv $HOME/assets /opt/bootstrap/assets",
"sudo mkdir -p /etc/kubernetes/manifests",
"sudo mkdir -p /etc/kubernetes/bootstrap-secrets",
"sudo cp -r /opt/bootstrap/assets/tls/* /etc/kubernetes/bootstrap-secrets/",
"sudo cp /opt/bootstrap/assets/auth/kubeconfig /etc/kubernetes/bootstrap-secrets/",
"sudo cp -r /opt/bootstrap/assets/static-manifests/* /etc/kubernetes/manifests/",
"sudo /opt/bootstrap/layout",
]
}
}

View File

@ -18,57 +18,57 @@ variable "dns_zone_id" {
# instances
variable "controller_count" {
type = string
default = "1"
type = number
description = "Number of controllers (i.e. masters)"
default = 1
}
variable "worker_count" {
type = string
default = "1"
type = number
description = "Number of workers"
default = 1
}
variable "controller_type" {
type = string
default = "t3.small"
description = "EC2 instance type for controllers"
default = "t3.small"
}
variable "worker_type" {
type = string
default = "t3.small"
description = "EC2 instance type for workers"
default = "t3.small"
}
variable "os_image" {
type = string
default = "coreos-stable"
description = "AMI channel for a Container Linux derivative (coreos-stable, coreos-beta, coreos-alpha, flatcar-stable, flatcar-beta, flatcar-alpha, flatcar-edge)"
default = "coreos-stable"
}
variable "disk_size" {
type = string
default = "40"
type = number
description = "Size of the EBS volume in GB"
default = 40
}
variable "disk_type" {
type = string
default = "gp2"
description = "Type of the EBS volume (e.g. standard, gp2, io1)"
default = "gp2"
}
variable "disk_iops" {
type = string
default = "0"
type = number
description = "IOPS of the EBS volume (e.g. 100)"
default = 0
}
variable "worker_price" {
type = string
default = ""
description = "Spot price in USD for autoscaling group spot instances. Leave as default empty string for autoscaling group to use on-demand instances. Note, switching in-place from spot to on-demand is not possible: https://github.com/terraform-providers/terraform-provider-aws/issues/4320"
type = number
description = "Spot price in USD for worker instances or 0 to use on-demand instances"
default = 0
}
variable "worker_target_groups" {
@ -97,60 +97,67 @@ variable "ssh_authorized_key" {
}
variable "asset_dir" {
description = "Path to a directory where generated assets should be placed (contains secrets)"
type = string
description = "Absolute path to a directory where generated assets should be placed (contains secrets)"
default = ""
}
variable "networking" {
description = "Choice of networking provider (calico or flannel)"
type = string
description = "Choice of networking provider (calico or flannel)"
default = "calico"
}
variable "network_mtu" {
type = number
description = "CNI interface MTU (applies to calico only). Use 8981 if using instances types with Jumbo frames."
type = string
default = "1480"
default = 1480
}
variable "host_cidr" {
description = "CIDR IPv4 range to assign to EC2 nodes"
type = string
description = "CIDR IPv4 range to assign to EC2 nodes"
default = "10.0.0.0/16"
}
variable "pod_cidr" {
description = "CIDR IPv4 range to assign Kubernetes pods"
type = string
description = "CIDR IPv4 range to assign Kubernetes pods"
default = "10.2.0.0/16"
}
variable "service_cidr" {
type = string
description = <<EOD
CIDR IPv4 range to assign Kubernetes services.
The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for coredns.
EOD
type = string
default = "10.3.0.0/16"
}
variable "cluster_domain_suffix" {
description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
type = string
default = "cluster.local"
default = "10.3.0.0/16"
}
variable "enable_reporting" {
type = string
type = bool
description = "Enable usage or analytics reporting to upstreams (Calico)"
default = "false"
default = false
}
variable "enable_aggregation" {
type = bool
description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
type = string
default = "false"
default = false
}
variable "worker_node_labels" {
type = list(string)
description = "List of initial worker node labels"
default = []
}
# unofficial, undocumented, unsupported
variable "cluster_domain_suffix" {
type = string
description = "Queries for domains with the suffix will be answered by CoreDNS. Default is cluster.local (e.g. foo.default.svc.cluster.local)"
default = "cluster.local"
}

View File

@ -1,7 +1,7 @@
# Terraform version and plugin versions
terraform {
required_version = "~> 0.12.0"
required_version = "~> 0.12.6"
required_providers {
aws = "~> 2.23"
ct = "~> 0.3"

View File

@ -19,5 +19,6 @@ module "workers" {
service_cidr = var.service_cidr
cluster_domain_suffix = var.cluster_domain_suffix
clc_snippets = var.worker_clc_snippets
node_labels = var.worker_node_labels
}

View File

@ -4,8 +4,8 @@ locals {
# flatcar-stable -> Flatcar Linux AMI
ami_id = local.flavor == "flatcar" ? data.aws_ami.flatcar.image_id : data.aws_ami.coreos.image_id
flavor = element(split("-", var.os_image), 0)
channel = element(split("-", var.os_image), 1)
flavor = split("-", var.os_image)[0]
channel = split("-", var.os_image)[1]
}
data "aws_ami" "coreos" {

View File

@ -25,29 +25,47 @@ systemd:
Description=Kubelet via Hyperkube
Wants=rpc-statd.service
[Service]
EnvironmentFile=/etc/kubernetes/kubelet.env
Environment="RKT_RUN_ARGS=--uuid-file-save=/var/cache/kubelet-pod.uuid \
--volume=resolv,kind=host,source=/etc/resolv.conf \
--mount volume=resolv,target=/etc/resolv.conf \
--volume var-lib-cni,kind=host,source=/var/lib/cni \
--mount volume=var-lib-cni,target=/var/lib/cni \
--volume var-lib-calico,kind=host,source=/var/lib/calico \
--mount volume=var-lib-calico,target=/var/lib/calico \
--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
--mount volume=opt-cni-bin,target=/opt/cni/bin \
--volume var-log,kind=host,source=/var/log \
--mount volume=var-log,target=/var/log \
--insecure-options=image"
Environment=KUBELET_CGROUP_DRIVER=${cgroup_driver}
ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d
ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
ExecStartPre=/bin/mkdir -p /opt/cni/bin
ExecStartPre=/bin/mkdir -p /var/lib/cni
ExecStartPre=/bin/mkdir -p /var/lib/calico
ExecStartPre=/bin/mkdir -p /var/lib/kubelet/volumeplugins
ExecStartPre=/usr/bin/bash -c "grep 'certificate-authority-data' /etc/kubernetes/kubeconfig | awk '{print $2}' | base64 -d > /etc/kubernetes/ca.crt"
ExecStartPre=-/usr/bin/rkt rm --uuid-file=/var/cache/kubelet-pod.uuid
ExecStart=/usr/lib/coreos/kubelet-wrapper \
ExecStart=/usr/bin/rkt run \
--uuid-file-save=/var/cache/kubelet-pod.uuid \
--stage1-from-dir=stage1-fly.aci \
--hosts-entry host \
--insecure-options=image \
--volume etc-kubernetes,kind=host,source=/etc/kubernetes,readOnly=true \
--mount volume=etc-kubernetes,target=/etc/kubernetes \
--volume etc-machine-id,kind=host,source=/etc/machine-id,readOnly=true \
--mount volume=etc-machine-id,target=/etc/machine-id \
--volume etc-os-release,kind=host,source=/usr/lib/os-release,readOnly=true \
--mount volume=etc-os-release,target=/etc/os-release \
--volume=etc-resolv,kind=host,source=/etc/resolv.conf,readOnly=true \
--mount volume=etc-resolv,target=/etc/resolv.conf \
--volume etc-ssl-certs,kind=host,source=/etc/ssl/certs,readOnly=true \
--mount volume=etc-ssl-certs,target=/etc/ssl/certs \
--volume lib-modules,kind=host,source=/lib/modules,readOnly=true \
--mount volume=lib-modules,target=/lib/modules \
--volume run,kind=host,source=/run \
--mount volume=run,target=/run \
--volume usr-share-certs,kind=host,source=/usr/share/ca-certificates,readOnly=true \
--mount volume=usr-share-certs,target=/usr/share/ca-certificates \
--volume var-lib-calico,kind=host,source=/var/lib/calico \
--mount volume=var-lib-calico,target=/var/lib/calico \
--volume var-lib-docker,kind=host,source=/var/lib/docker \
--mount volume=var-lib-docker,target=/var/lib/docker \
--volume var-lib-kubelet,kind=host,source=/var/lib/kubelet,recursive=true \
--mount volume=var-lib-kubelet,target=/var/lib/kubelet \
--volume var-log,kind=host,source=/var/log \
--mount volume=var-log,target=/var/log \
--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
--mount volume=opt-cni-bin,target=/opt/cni/bin \
docker://k8s.gcr.io/hyperkube:v1.17.3 \
--exec=/usr/local/bin/kubelet -- \
--anonymous-auth=false \
--authentication-token-webhook \
--authorization-mode=Webhook \
@ -57,10 +75,14 @@ systemd:
--cluster_domain=${cluster_domain_suffix} \
--cni-conf-dir=/etc/kubernetes/cni/net.d \
--exit-on-lock-contention \
--healthz-port=0 \
--kubeconfig=/etc/kubernetes/kubeconfig \
--lock-file=/var/run/lock/kubelet.lock \
--network-plugin=cni \
--node-labels=node.kubernetes.io/node \
%{ for label in split(",", node_labels) }
--node-labels=${label} \
%{ endfor ~}
--pod-manifest-path=/etc/kubernetes/manifests \
--read-only-port=0 \
--volume-plugin-dir=/var/lib/kubelet/volumeplugins
@ -89,13 +111,6 @@ storage:
contents:
inline: |
${kubeconfig}
- path: /etc/kubernetes/kubelet.env
filesystem: root
mode: 0644
contents:
inline: |
KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube
KUBELET_IMAGE_TAG=v1.16.0
- path: /etc/sysctl.d/max-user-watches.conf
filesystem: root
contents:
@ -113,10 +128,11 @@ storage:
--volume config,kind=host,source=/etc/kubernetes \
--mount volume=config,target=/etc/kubernetes \
--insecure-options=image \
docker://k8s.gcr.io/hyperkube:v1.16.0 \
docker://k8s.gcr.io/hyperkube:v1.17.3 \
--net=host \
--dns=host \
--exec=/kubectl -- --kubeconfig=/etc/kubernetes/kubeconfig delete node $(hostname)
-- \
kubectl --kubeconfig=/etc/kubernetes/kubeconfig delete node $(hostname)
passwd:
users:
- name: core

View File

@ -23,45 +23,45 @@ variable "security_groups" {
# instances
variable "worker_count" {
type = string
default = "1"
type = number
description = "Number of instances"
default = 1
}
variable "instance_type" {
type = string
default = "t3.small"
description = "EC2 instance type"
default = "t3.small"
}
variable "os_image" {
type = string
default = "coreos-stable"
description = "AMI channel for a Container Linux derivative (coreos-stable, coreos-beta, coreos-alpha, flatcar-stable, flatcar-beta, flatcar-alpha, flatcar-edge)"
default = "coreos-stable"
}
variable "disk_size" {
type = string
default = "40"
type = number
description = "Size of the EBS volume in GB"
default = 40
}
variable "disk_type" {
type = string
default = "gp2"
description = "Type of the EBS volume (e.g. standard, gp2, io1)"
default = "gp2"
}
variable "disk_iops" {
type = string
default = "0"
type = number
description = "IOPS of the EBS volume (required for io1)"
default = 0
}
variable "spot_price" {
type = string
default = ""
description = "Spot price in USD for autoscaling group spot instances. Leave as default empty string for autoscaling group to use on-demand instances. Note, switching in-place from spot to on-demand is not possible: https://github.com/terraform-providers/terraform-provider-aws/issues/4320"
type = number
description = "Spot price in USD for worker instances or 0 to use on-demand instances"
default = 0
}
variable "target_groups" {
@ -89,19 +89,22 @@ variable "ssh_authorized_key" {
}
variable "service_cidr" {
type = string
description = <<EOD
CIDR IPv4 range to assign Kubernetes services.
The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for coredns.
EOD
type = string
default = "10.3.0.0/16"
default = "10.3.0.0/16"
}
variable "cluster_domain_suffix" {
type = string
description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
type = string
default = "cluster.local"
default = "cluster.local"
}
variable "node_labels" {
type = list(string)
description = "List of initial node labels"
default = []
}

View File

@ -46,7 +46,7 @@ resource "aws_autoscaling_group" "workers" {
resource "aws_launch_configuration" "worker" {
image_id = local.ami_id
instance_type = var.instance_type
spot_price = var.spot_price
spot_price = var.spot_price > 0 ? var.spot_price : null
enable_monitoring = false
user_data = data.ct_config.worker-ignition.rendered
@ -78,7 +78,7 @@ data "ct_config" "worker-ignition" {
# Worker Container Linux config
data "template_file" "worker-config" {
template = file("${path.module}/cl/worker.yaml.tmpl")
template = file("${path.module}/cl/worker.yaml")
vars = {
kubeconfig = indent(10, var.kubeconfig)
@ -86,6 +86,7 @@ data "template_file" "worker-config" {
cluster_dns_service_ip = cidrhost(var.service_cidr, 10)
cluster_domain_suffix = var.cluster_domain_suffix
cgroup_driver = local.flavor == "flatcar" && local.channel == "edge" ? "systemd" : "cgroupfs"
node_labels = join(",", var.node_labels)
}
}

View File

@ -11,7 +11,7 @@ Typhoon distributes upstream Kubernetes, architectural conventions, and cluster
## Features <a href="https://www.cncf.io/certification/software-conformance/"><img align="right" src="https://storage.googleapis.com/poseidon/certified-kubernetes.png"></a>
* Kubernetes v1.16.0 (upstream)
* Kubernetes v1.17.3 (upstream)
* Single or multi-master, [Calico](https://www.projectcalico.org/) or [flannel](https://github.com/coreos/flannel) networking
* On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled, [network policy](https://kubernetes.io/docs/concepts/services-networking/network-policies/)
* Advanced features like [worker pools](https://typhoon.psdn.io/advanced/worker-pools/), [spot](https://typhoon.psdn.io/cl/aws/#spot) workers, and [snippets](https://typhoon.psdn.io/advanced/customization/#container-linux) customization

View File

@ -13,9 +13,11 @@ data "aws_ami" "fedora-coreos" {
values = ["hvm"]
}
// pin on known ok versions as preview matures
filter {
name = "name"
values = ["fedora-coreos-30.20190801.0-hvm"]
values = ["fedora-coreos-31.*.*.*-hvm"]
}
# try to filter out dev images (AWS filters can't)
name_regex = "^fedora-coreos-31.[0-9]*.[0-9]*.[0-9]*-hvm*"
}

View File

@ -1,6 +1,6 @@
# Kubernetes assets (kubeconfig, manifests)
module "bootstrap" {
source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=539b725093c8cd94ba46603adb25ac5280562ec8"
source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=796194583426593d1a62b6f1bf3f7ffed8fca140"
cluster_name = var.cluster_name
api_servers = [format("%s.%s", var.cluster_name, var.dns_zone)]

View File

@ -28,7 +28,7 @@ systemd:
--network host \
--volume /var/lib/etcd:/var/lib/etcd:rw,Z \
--volume /etc/ssl/etcd:/etc/ssl/certs:ro,Z \
quay.io/coreos/etcd:v3.4.0
quay.io/coreos/etcd:v3.4.3
ExecStop=/usr/bin/podman stop etcd
[Install]
WantedBy=multi-user.target
@ -77,10 +77,9 @@ systemd:
--volume /var/lib/docker:/var/lib/docker \
--volume /var/lib/kubelet:/var/lib/kubelet:rshared,z \
--volume /var/log:/var/log \
--volume /var/run:/var/run \
--volume /var/run/lock:/var/run/lock:z \
--volume /opt/cni/bin:/opt/cni/bin:z \
k8s.gcr.io/hyperkube:v1.16.0 /hyperkube kubelet \
k8s.gcr.io/hyperkube:v1.17.3 kubelet \
--anonymous-auth=false \
--authentication-token-webhook \
--authorization-mode=Webhook \
@ -92,6 +91,7 @@ systemd:
--cluster_domain=${cluster_domain_suffix} \
--cni-conf-dir=/etc/kubernetes/cni/net.d \
--exit-on-lock-contention \
--healthz-port=0 \
--kubeconfig=/etc/kubernetes/kubeconfig \
--lock-file=/var/run/lock/kubelet.lock \
--network-plugin=cni \
@ -119,10 +119,11 @@ systemd:
ExecStartPre=-/usr/bin/bash -c 'set -x && [ -n "$(ls /opt/bootstrap/assets/manifests-*/* 2>/dev/null)" ] && mv /opt/bootstrap/assets/manifests-*/* /opt/bootstrap/assets/manifests && rm -rf /opt/bootstrap/assets/manifests-*'
ExecStart=/usr/bin/podman run --name bootstrap \
--network host \
--volume /etc/kubernetes/bootstrap-secrets:/etc/kubernetes/secrets:ro,Z \
--volume /opt/bootstrap/assets:/assets:ro,Z \
--volume /opt/bootstrap/apply:/apply:ro,Z \
k8s.gcr.io/hyperkube:v1.16.0 \
/apply
--entrypoint=/apply \
k8s.gcr.io/hyperkube:v1.17.3
ExecStartPost=/bin/touch /opt/bootstrap/bootstrap.done
ExecStartPost=-/usr/bin/podman stop bootstrap
storage:
@ -135,12 +136,33 @@ storage:
contents:
inline: |
${kubeconfig}
- path: /opt/bootstrap/layout
mode: 0544
contents:
inline: |
#!/bin/bash -e
mkdir -p -- auth tls/etcd tls/k8s static-manifests manifests/coredns manifests-networking
awk '/#####/ {filename=$2; next} {print > filename}' assets
mkdir -p /etc/ssl/etcd/etcd
mkdir -p /etc/kubernetes/bootstrap-secrets
mv tls/etcd/{peer*,server*} /etc/ssl/etcd/etcd/
mv tls/etcd/etcd-client* /etc/kubernetes/bootstrap-secrets/
chown -R etcd:etcd /etc/ssl/etcd
chmod -R 500 /etc/ssl/etcd
mv auth/kubeconfig /etc/kubernetes/bootstrap-secrets/
mv tls/k8s/* /etc/kubernetes/bootstrap-secrets/
sudo mkdir -p /etc/kubernetes/manifests
sudo mv static-manifests/* /etc/kubernetes/manifests/
sudo mkdir -p /opt/bootstrap/assets
sudo mv manifests /opt/bootstrap/assets/manifests
sudo mv manifests-networking /opt/bootstrap/assets/manifests-networking
rm -rf assets auth static-manifests tls
- path: /opt/bootstrap/apply
mode: 0544
contents:
inline: |
#!/bin/bash -e
export KUBECONFIG=/assets/auth/kubeconfig
export KUBECONFIG=/etc/kubernetes/secrets/kubeconfig
until kubectl version; do
echo "Waiting for static pod control plane"
sleep 5
@ -149,10 +171,6 @@ storage:
echo "Retry applying manifests"
sleep 5
done
- path: /etc/sysctl.d/reverse-path-filter.conf
contents:
inline: |
net.ipv4.conf.all.rp_filter=1
- path: /etc/sysctl.d/max-user-watches.conf
contents:
inline: |
@ -164,6 +182,19 @@ storage:
DefaultCPUAccounting=yes
DefaultMemoryAccounting=yes
DefaultBlockIOAccounting=yes
- path: /etc/sysconfig/docker
mode: 0644
overwrite: true
contents:
inline: |
# Modify these options if you want to change the way the docker daemon runs
OPTIONS="--selinux-enabled \
--log-driver=json-file \
--live-restore \
--default-ulimit nofile=1024:1024 \
--init-path /usr/libexec/docker/docker-init \
--userland-proxy-path /usr/libexec/docker/docker-proxy \
"
- path: /etc/etcd/etcd.env
mode: 0644
contents:

View File

@ -44,6 +44,17 @@ resource "aws_security_group_rule" "controller-etcd-metrics" {
source_security_group_id = aws_security_group.worker.id
}
# Allow Prometheus to scrape kube-proxy
resource "aws_security_group_rule" "kube-proxy-metrics" {
security_group_id = aws_security_group.controller.id
type = "ingress"
protocol = "tcp"
from_port = 10249
to_port = 10249
source_security_group_id = aws_security_group.worker.id
}
# Allow Prometheus to scrape kube-scheduler
resource "aws_security_group_rule" "controller-scheduler-metrics" {
security_group_id = aws_security_group.controller.id
@ -281,14 +292,15 @@ resource "aws_security_group_rule" "worker-node-exporter" {
self = true
}
resource "aws_security_group_rule" "ingress-health" {
# Allow Prometheus to scrape kube-proxy
resource "aws_security_group_rule" "worker-kube-proxy" {
security_group_id = aws_security_group.worker.id
type = "ingress"
protocol = "tcp"
from_port = 10254
to_port = 10254
cidr_blocks = ["0.0.0.0/0"]
type = "ingress"
protocol = "tcp"
from_port = 10249
to_port = 10249
self = true
}
# Allow apiserver to access kubelets for exec, log, port-forward
@ -313,6 +325,16 @@ resource "aws_security_group_rule" "worker-kubelet-self" {
self = true
}
resource "aws_security_group_rule" "ingress-health" {
security_group_id = aws_security_group.worker.id
type = "ingress"
protocol = "tcp"
from_port = 10254
to_port = 10254
cidr_blocks = ["0.0.0.0/0"]
}
resource "aws_security_group_rule" "worker-bgp" {
security_group_id = aws_security_group.worker.id

View File

@ -1,7 +1,16 @@
locals {
# format assets for distribution
assets_bundle = [
# header with the unpack location
for key, value in module.bootstrap.assets_dist :
format("##### %s\n%s", key, value)
]
}
# Secure copy assets to controllers.
resource "null_resource" "copy-controller-secrets" {
count = var.controller_count
depends_on = [
module.bootstrap,
]
@ -14,63 +23,13 @@ resource "null_resource" "copy-controller-secrets" {
}
provisioner "file" {
content = module.bootstrap.etcd_ca_cert
destination = "$HOME/etcd-client-ca.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_client_cert
destination = "$HOME/etcd-client.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_client_key
destination = "$HOME/etcd-client.key"
}
provisioner "file" {
content = module.bootstrap.etcd_server_cert
destination = "$HOME/etcd-server.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_server_key
destination = "$HOME/etcd-server.key"
}
provisioner "file" {
content = module.bootstrap.etcd_peer_cert
destination = "$HOME/etcd-peer.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_peer_key
destination = "$HOME/etcd-peer.key"
}
provisioner "file" {
source = var.asset_dir
content = join("\n", local.assets_bundle)
destination = "$HOME/assets"
}
provisioner "remote-exec" {
inline = [
"sudo mkdir -p /etc/ssl/etcd/etcd",
"sudo mv etcd-client* /etc/ssl/etcd/",
"sudo cp /etc/ssl/etcd/etcd-client-ca.crt /etc/ssl/etcd/etcd/server-ca.crt",
"sudo mv etcd-server.crt /etc/ssl/etcd/etcd/server.crt",
"sudo mv etcd-server.key /etc/ssl/etcd/etcd/server.key",
"sudo cp /etc/ssl/etcd/etcd-client-ca.crt /etc/ssl/etcd/etcd/peer-ca.crt",
"sudo mv etcd-peer.crt /etc/ssl/etcd/etcd/peer.crt",
"sudo mv etcd-peer.key /etc/ssl/etcd/etcd/peer.key",
"sudo chown -R etcd:etcd /etc/ssl/etcd",
"sudo chmod -R 500 /etc/ssl/etcd",
"sudo mv $HOME/assets /opt/bootstrap/assets",
"sudo mkdir -p /etc/kubernetes/manifests",
"sudo mkdir -p /etc/kubernetes/bootstrap-secrets",
"sudo cp -r /opt/bootstrap/assets/tls/* /etc/kubernetes/bootstrap-secrets/",
"sudo cp /opt/bootstrap/assets/auth/kubeconfig /etc/kubernetes/bootstrap-secrets/",
"sudo cp -r /opt/bootstrap/assets/static-manifests/* /etc/kubernetes/manifests/"
"sudo /opt/bootstrap/layout",
]
}
}

View File

@ -18,57 +18,57 @@ variable "dns_zone_id" {
# instances
variable "controller_count" {
type = string
default = "1"
type = number
description = "Number of controllers (i.e. masters)"
default = 1
}
variable "worker_count" {
type = string
default = "1"
type = number
description = "Number of workers"
default = 1
}
variable "controller_type" {
type = string
default = "t3.small"
description = "EC2 instance type for controllers"
default = "t3.small"
}
variable "worker_type" {
type = string
default = "t3.small"
description = "EC2 instance type for workers"
default = "t3.small"
}
variable "os_image" {
type = string
default = "coreos-stable"
description = "AMI channel for Fedora CoreOS (not yet used)"
default = "coreos-stable"
}
variable "disk_size" {
type = string
default = "40"
type = number
description = "Size of the EBS volume in GB"
default = 40
}
variable "disk_type" {
type = string
default = "gp2"
description = "Type of the EBS volume (e.g. standard, gp2, io1)"
default = "gp2"
}
variable "disk_iops" {
type = string
default = "0"
type = number
description = "IOPS of the EBS volume (e.g. 100)"
default = 0
}
variable "worker_price" {
type = string
default = ""
description = "Spot price in USD for autoscaling group spot instances. Leave as default empty string for autoscaling group to use on-demand instances. Note, switching in-place from spot to on-demand is not possible: https://github.com/terraform-providers/terraform-provider-aws/issues/4320"
type = number
description = "Spot price in USD for worker instances or 0 to use on-demand instances"
default = 0
}
variable "worker_target_groups" {
@ -97,60 +97,67 @@ variable "ssh_authorized_key" {
}
variable "asset_dir" {
description = "Path to a directory where generated assets should be placed (contains secrets)"
type = string
description = "Absolute path to a directory where generated assets should be placed (contains secrets)"
default = ""
}
variable "networking" {
description = "Choice of networking provider (calico or flannel)"
type = string
description = "Choice of networking provider (calico or flannel)"
default = "calico"
}
variable "network_mtu" {
type = number
description = "CNI interface MTU (applies to calico only). Use 8981 if using instances types with Jumbo frames."
type = string
default = "1480"
default = 1480
}
variable "host_cidr" {
description = "CIDR IPv4 range to assign to EC2 nodes"
type = string
description = "CIDR IPv4 range to assign to EC2 nodes"
default = "10.0.0.0/16"
}
variable "pod_cidr" {
description = "CIDR IPv4 range to assign Kubernetes pods"
type = string
description = "CIDR IPv4 range to assign Kubernetes pods"
default = "10.2.0.0/16"
}
variable "service_cidr" {
type = string
description = <<EOD
CIDR IPv4 range to assign Kubernetes services.
The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for coredns.
EOD
type = string
default = "10.3.0.0/16"
}
variable "cluster_domain_suffix" {
description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
type = string
default = "cluster.local"
default = "10.3.0.0/16"
}
variable "enable_reporting" {
type = string
type = bool
description = "Enable usage or analytics reporting to upstreams (Calico)"
default = "false"
default = false
}
variable "enable_aggregation" {
type = bool
description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
type = string
default = "false"
default = false
}
variable "worker_node_labels" {
type = list(string)
description = "List of initial worker node labels"
default = []
}
# unofficial, undocumented, unsupported
variable "cluster_domain_suffix" {
type = string
description = "Queries for domains with the suffix will be answered by CoreDNS. Default is cluster.local (e.g. foo.default.svc.cluster.local)"
default = "cluster.local"
}

View File

@ -1,7 +1,7 @@
# Terraform version and plugin versions
terraform {
required_version = "~> 0.12.0"
required_version = "~> 0.12.6"
required_providers {
aws = "~> 2.23"
ct = "~> 0.4"

View File

@ -19,5 +19,6 @@ module "workers" {
service_cidr = var.service_cidr
cluster_domain_suffix = var.cluster_domain_suffix
snippets = var.worker_snippets
node_labels = var.worker_node_labels
}

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@ -13,9 +13,11 @@ data "aws_ami" "fedora-coreos" {
values = ["hvm"]
}
// pin on known ok versions as preview matures
filter {
name = "name"
values = ["fedora-coreos-30.20190801.0-hvm"]
values = ["fedora-coreos-31.*.*.*-hvm"]
}
# try to filter out dev images (AWS filters can't)
name_regex = "^fedora-coreos-31.[0-9]*.[0-9]*.[0-9]*-hvm*"
}

View File

@ -47,10 +47,9 @@ systemd:
--volume /var/lib/docker:/var/lib/docker \
--volume /var/lib/kubelet:/var/lib/kubelet:rshared,z \
--volume /var/log:/var/log \
--volume /var/run:/var/run \
--volume /var/run/lock:/var/run/lock:z \
--volume /opt/cni/bin:/opt/cni/bin:z \
k8s.gcr.io/hyperkube:v1.16.0 /hyperkube kubelet \
k8s.gcr.io/hyperkube:v1.17.3 kubelet \
--anonymous-auth=false \
--authentication-token-webhook \
--authorization-mode=Webhook \
@ -62,10 +61,14 @@ systemd:
--cluster_domain=${cluster_domain_suffix} \
--cni-conf-dir=/etc/kubernetes/cni/net.d \
--exit-on-lock-contention \
--healthz-port=0 \
--kubeconfig=/etc/kubernetes/kubeconfig \
--lock-file=/var/run/lock/kubelet.lock \
--network-plugin=cni \
--node-labels=node.kubernetes.io/node \
%{ for label in split(",", node_labels) }
--node-labels=${label} \
%{ endfor ~}
--pod-manifest-path=/etc/kubernetes/manifests \
--read-only-port=0 \
--volume-plugin-dir=/var/lib/kubelet/volumeplugins
@ -84,10 +87,6 @@ storage:
contents:
inline: |
${kubeconfig}
- path: /etc/sysctl.d/reverse-path-filter.conf
contents:
inline: |
net.ipv4.conf.all.rp_filter=1
- path: /etc/sysctl.d/max-user-watches.conf
contents:
inline: |
@ -99,6 +98,19 @@ storage:
DefaultCPUAccounting=yes
DefaultMemoryAccounting=yes
DefaultBlockIOAccounting=yes
- path: /etc/sysconfig/docker
mode: 0644
overwrite: true
contents:
inline: |
# Modify these options if you want to change the way the docker daemon runs
OPTIONS="--selinux-enabled \
--log-driver=json-file \
--live-restore \
--default-ulimit nofile=1024:1024 \
--init-path /usr/libexec/docker/docker-init \
--userland-proxy-path /usr/libexec/docker/docker-proxy \
"
passwd:
users:
- name: core

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@ -23,45 +23,45 @@ variable "security_groups" {
# instances
variable "worker_count" {
type = string
default = "1"
type = number
description = "Number of instances"
default = 1
}
variable "instance_type" {
type = string
default = "t3.small"
description = "EC2 instance type"
default = "t3.small"
}
variable "os_image" {
type = string
default = "coreos-stable"
description = "AMI channel for Fedora CoreOS (not yet used)"
default = "coreos-stable"
}
variable "disk_size" {
type = string
default = "40"
type = number
description = "Size of the EBS volume in GB"
default = 40
}
variable "disk_type" {
type = string
default = "gp2"
description = "Type of the EBS volume (e.g. standard, gp2, io1)"
default = "gp2"
}
variable "disk_iops" {
type = string
default = "0"
type = number
description = "IOPS of the EBS volume (required for io1)"
default = 0
}
variable "spot_price" {
type = string
default = ""
description = "Spot price in USD for autoscaling group spot instances. Leave as default empty string for autoscaling group to use on-demand instances. Note, switching in-place from spot to on-demand is not possible: https://github.com/terraform-providers/terraform-provider-aws/issues/4320"
type = number
description = "Spot price in USD for worker instances or 0 to use on-demand instances"
default = 0
}
variable "target_groups" {
@ -89,19 +89,22 @@ variable "ssh_authorized_key" {
}
variable "service_cidr" {
type = string
description = <<EOD
CIDR IPv4 range to assign Kubernetes services.
The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for coredns.
EOD
type = string
default = "10.3.0.0/16"
default = "10.3.0.0/16"
}
variable "cluster_domain_suffix" {
type = string
description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
type = string
default = "cluster.local"
default = "cluster.local"
}
variable "node_labels" {
type = list(string)
description = "List of initial node labels"
default = []
}

View File

@ -46,7 +46,7 @@ resource "aws_autoscaling_group" "workers" {
resource "aws_launch_configuration" "worker" {
image_id = data.aws_ami.fedora-coreos.image_id
instance_type = var.instance_type
spot_price = var.spot_price
spot_price = var.spot_price > 0 ? var.spot_price : null
enable_monitoring = false
user_data = data.ct_config.worker-ignition.rendered
@ -71,9 +71,9 @@ resource "aws_launch_configuration" "worker" {
# Worker Ignition config
data "ct_config" "worker-ignition" {
content = data.template_file.worker-config.rendered
strict = true
snippets = var.snippets
content = data.template_file.worker-config.rendered
strict = true
snippets = var.snippets
}
# Worker Fedora CoreOS config
@ -85,6 +85,7 @@ data "template_file" "worker-config" {
ssh_authorized_key = var.ssh_authorized_key
cluster_dns_service_ip = cidrhost(var.service_cidr, 10)
cluster_domain_suffix = var.cluster_domain_suffix
node_labels = join(",", var.node_labels)
}
}

View File

View File

@ -11,7 +11,7 @@ Typhoon distributes upstream Kubernetes, architectural conventions, and cluster
## Features <a href="https://www.cncf.io/certification/software-conformance/"><img align="right" src="https://storage.googleapis.com/poseidon/certified-kubernetes.png"></a>
* Kubernetes v1.16.0 (upstream)
* Kubernetes v1.17.3 (upstream)
* Single or multi-master, [Calico](https://www.projectcalico.org/) or [flannel](https://github.com/coreos/flannel) networking
* On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled, [network policy](https://kubernetes.io/docs/concepts/services-networking/network-policies/)
* Advanced features like [worker pools](https://typhoon.psdn.io/advanced/worker-pools/), [low-priority](https://typhoon.psdn.io/cl/azure/#low-priority) workers, and [snippets](https://typhoon.psdn.io/advanced/customization/#container-linux) customization

View File

@ -1,6 +1,6 @@
# Kubernetes assets (kubeconfig, manifests)
module "bootstrap" {
source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=539b725093c8cd94ba46603adb25ac5280562ec8"
source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=796194583426593d1a62b6f1bf3f7ffed8fca140"
cluster_name = var.cluster_name
api_servers = [format("%s.%s", var.cluster_name, var.dns_zone)]

View File

@ -7,7 +7,7 @@ systemd:
- name: 40-etcd-cluster.conf
contents: |
[Service]
Environment="ETCD_IMAGE_TAG=v3.4.0"
Environment="ETCD_IMAGE_TAG=v3.4.3"
Environment="ETCD_NAME=${etcd_name}"
Environment="ETCD_ADVERTISE_CLIENT_URLS=https://${etcd_domain}:2379"
Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=https://${etcd_domain}:2380"
@ -50,29 +50,46 @@ systemd:
Description=Kubelet via Hyperkube
Wants=rpc-statd.service
[Service]
EnvironmentFile=/etc/kubernetes/kubelet.env
Environment="RKT_RUN_ARGS=--uuid-file-save=/var/cache/kubelet-pod.uuid \
--volume=resolv,kind=host,source=/etc/resolv.conf \
--mount volume=resolv,target=/etc/resolv.conf \
--volume var-lib-cni,kind=host,source=/var/lib/cni \
--mount volume=var-lib-cni,target=/var/lib/cni \
--volume var-lib-calico,kind=host,source=/var/lib/calico \
--mount volume=var-lib-calico,target=/var/lib/calico \
--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
--mount volume=opt-cni-bin,target=/opt/cni/bin \
--volume var-log,kind=host,source=/var/log \
--mount volume=var-log,target=/var/log \
--hosts-entry=host \
--insecure-options=image"
ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d
ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
ExecStartPre=/bin/mkdir -p /opt/cni/bin
ExecStartPre=/bin/mkdir -p /var/lib/cni
ExecStartPre=/bin/mkdir -p /var/lib/calico
ExecStartPre=/bin/mkdir -p /var/lib/kubelet/volumeplugins
ExecStartPre=/usr/bin/bash -c "grep 'certificate-authority-data' /etc/kubernetes/kubeconfig | awk '{print $2}' | base64 -d > /etc/kubernetes/ca.crt"
ExecStartPre=-/usr/bin/rkt rm --uuid-file=/var/cache/kubelet-pod.uuid
ExecStart=/usr/lib/coreos/kubelet-wrapper \
ExecStart=/usr/bin/rkt run \
--uuid-file-save=/var/cache/kubelet-pod.uuid \
--stage1-from-dir=stage1-fly.aci \
--hosts-entry host \
--insecure-options=image \
--volume etc-kubernetes,kind=host,source=/etc/kubernetes,readOnly=true \
--mount volume=etc-kubernetes,target=/etc/kubernetes \
--volume etc-machine-id,kind=host,source=/etc/machine-id,readOnly=true \
--mount volume=etc-machine-id,target=/etc/machine-id \
--volume etc-os-release,kind=host,source=/usr/lib/os-release,readOnly=true \
--mount volume=etc-os-release,target=/etc/os-release \
--volume=etc-resolv,kind=host,source=/etc/resolv.conf,readOnly=true \
--mount volume=etc-resolv,target=/etc/resolv.conf \
--volume etc-ssl-certs,kind=host,source=/etc/ssl/certs,readOnly=true \
--mount volume=etc-ssl-certs,target=/etc/ssl/certs \
--volume lib-modules,kind=host,source=/lib/modules,readOnly=true \
--mount volume=lib-modules,target=/lib/modules \
--volume run,kind=host,source=/run \
--mount volume=run,target=/run \
--volume usr-share-certs,kind=host,source=/usr/share/ca-certificates,readOnly=true \
--mount volume=usr-share-certs,target=/usr/share/ca-certificates \
--volume var-lib-calico,kind=host,source=/var/lib/calico \
--mount volume=var-lib-calico,target=/var/lib/calico \
--volume var-lib-docker,kind=host,source=/var/lib/docker \
--mount volume=var-lib-docker,target=/var/lib/docker \
--volume var-lib-kubelet,kind=host,source=/var/lib/kubelet,recursive=true \
--mount volume=var-lib-kubelet,target=/var/lib/kubelet \
--volume var-log,kind=host,source=/var/log \
--mount volume=var-log,target=/var/log \
--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
--mount volume=opt-cni-bin,target=/opt/cni/bin \
docker://k8s.gcr.io/hyperkube:v1.17.3 \
--exec=/usr/local/bin/kubelet -- \
--anonymous-auth=false \
--authentication-token-webhook \
--authorization-mode=Webhook \
@ -81,14 +98,15 @@ systemd:
--cluster_domain=${cluster_domain_suffix} \
--cni-conf-dir=/etc/kubernetes/cni/net.d \
--exit-on-lock-contention \
--healthz-port=0 \
--kubeconfig=/etc/kubernetes/kubeconfig \
--lock-file=/var/run/lock/kubelet.lock \
--network-plugin=cni \
--node-labels=node.kubernetes.io/master \
--node-labels=node.kubernetes.io/controller="true" \
--pod-manifest-path=/etc/kubernetes/manifests \
--register-with-taints=node-role.kubernetes.io/master=:NoSchedule \
--read-only-port=0 \
--register-with-taints=node-role.kubernetes.io/master=:NoSchedule \
--volume-plugin-dir=/var/lib/kubelet/volumeplugins
ExecStop=-/usr/bin/rkt stop --uuid-file=/var/cache/kubelet-pod.uuid
Restart=always
@ -107,12 +125,14 @@ systemd:
ExecStartPre=-/usr/bin/bash -c 'set -x && [ -n "$(ls /opt/bootstrap/assets/manifests-*/* 2>/dev/null)" ] && mv /opt/bootstrap/assets/manifests-*/* /opt/bootstrap/assets/manifests && rm -rf /opt/bootstrap/assets/manifests-*'
ExecStart=/usr/bin/rkt run \
--trust-keys-from-https \
--volume config,kind=host,source=/etc/kubernetes/bootstrap-secrets \
--mount volume=config,target=/etc/kubernetes/secrets \
--volume assets,kind=host,source=/opt/bootstrap/assets \
--mount volume=assets,target=/assets \
--volume script,kind=host,source=/opt/bootstrap/apply \
--mount volume=script,target=/apply \
--insecure-options=image \
docker://k8s.gcr.io/hyperkube:v1.16.0 \
docker://k8s.gcr.io/hyperkube:v1.17.3 \
--net=host \
--dns=host \
--exec=/apply
@ -127,20 +147,35 @@ storage:
contents:
inline: |
${kubeconfig}
- path: /etc/kubernetes/kubelet.env
- path: /opt/bootstrap/layout
filesystem: root
mode: 0644
mode: 0544
contents:
inline: |
KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube
KUBELET_IMAGE_TAG=v1.16.0
#!/bin/bash -e
mkdir -p -- auth tls/etcd tls/k8s static-manifests manifests/coredns manifests-networking
awk '/#####/ {filename=$2; next} {print > filename}' assets
mkdir -p /etc/ssl/etcd/etcd
mkdir -p /etc/kubernetes/bootstrap-secrets
mv tls/etcd/{peer*,server*} /etc/ssl/etcd/etcd/
mv tls/etcd/etcd-client* /etc/kubernetes/bootstrap-secrets/
chown -R etcd:etcd /etc/ssl/etcd
chmod -R 500 /etc/ssl/etcd
mv auth/kubeconfig /etc/kubernetes/bootstrap-secrets/
mv tls/k8s/* /etc/kubernetes/bootstrap-secrets/
sudo mkdir -p /etc/kubernetes/manifests
sudo mv static-manifests/* /etc/kubernetes/manifests/
sudo mkdir -p /opt/bootstrap/assets
sudo mv manifests /opt/bootstrap/assets/manifests
sudo mv manifests-networking /opt/bootstrap/assets/manifests-networking
rm -rf assets auth static-manifests tls
- path: /opt/bootstrap/apply
filesystem: root
mode: 0544
contents:
inline: |
#!/bin/bash -e
export KUBECONFIG=/assets/auth/kubeconfig
export KUBECONFIG=/etc/kubernetes/secrets/kubeconfig
until kubectl version; do
echo "Waiting for static pod control plane"
sleep 5

View File

@ -11,16 +11,13 @@ resource "azurerm_dns_a_record" "etcds" {
ttl = 300
# private IPv4 address for etcd
records = [element(
azurerm_network_interface.controllers.*.private_ip_address,
count.index,
)]
records = [azurerm_network_interface.controllers.*.private_ip_address[count.index]]
}
locals {
# Channel for a Container Linux derivative
# coreos-stable -> Container Linux Stable
channel = element(split("-", var.os_image), 1)
channel = split("-", var.os_image)[1]
}
# Controller availability set to spread controllers
@ -63,12 +60,12 @@ resource "azurerm_virtual_machine" "controllers" {
}
# network
network_interface_ids = [element(azurerm_network_interface.controllers.*.id, count.index)]
network_interface_ids = [azurerm_network_interface.controllers.*.id[count.index]]
os_profile {
computer_name = "${var.cluster_name}-controller-${count.index}"
admin_username = "core"
custom_data = element(data.ct_config.controller-ignitions.*.rendered, count.index)
custom_data = data.ct_config.controller-ignitions.*.rendered[count.index]
}
# Azure mandates setting an ssh_key, even though Ignition custom_data handles it too
@ -108,7 +105,7 @@ resource "azurerm_network_interface" "controllers" {
private_ip_address_allocation = "dynamic"
# public IPv4
public_ip_address_id = element(azurerm_public_ip.controllers.*.id, count.index)
public_ip_address_id = azurerm_public_ip.controllers.*.id[count.index]
}
}
@ -134,11 +131,8 @@ resource "azurerm_public_ip" "controllers" {
# Controller Ignition configs
data "ct_config" "controller-ignitions" {
count = var.controller_count
content = element(
data.template_file.controller-configs.*.rendered,
count.index,
)
count = var.controller_count
content = data.template_file.controller-configs.*.rendered[count.index]
pretty_print = false
snippets = var.controller_clc_snippets
}
@ -147,7 +141,7 @@ data "ct_config" "controller-ignitions" {
data "template_file" "controller-configs" {
count = var.controller_count
template = file("${path.module}/cl/controller.yaml.tmpl")
template = file("${path.module}/cl/controller.yaml")
vars = {
# Cannot use cyclic dependencies on controllers or their DNS records

View File

@ -19,6 +19,10 @@ output "resource_group_name" {
value = azurerm_resource_group.cluster.name
}
output "resource_group_id" {
value = azurerm_resource_group.cluster.id
}
output "subnet_id" {
value = azurerm_subnet.worker.id
}
@ -53,4 +57,3 @@ output "backend_address_pool_id" {
description = "ID of the worker backend address pool"
value = azurerm_lb_backend_address_pool.worker.id
}

View File

@ -53,13 +53,29 @@ resource "azurerm_network_security_rule" "controller-etcd-metrics" {
destination_address_prefix = azurerm_subnet.controller.address_prefix
}
# Allow Prometheus to scrape kube-proxy metrics
resource "azurerm_network_security_rule" "controller-kube-proxy" {
resource_group_name = azurerm_resource_group.cluster.name
name = "allow-kube-proxy-metrics"
network_security_group_name = azurerm_network_security_group.controller.name
priority = "2011"
access = "Allow"
direction = "Inbound"
protocol = "Tcp"
source_port_range = "*"
destination_port_range = "10249"
source_address_prefix = azurerm_subnet.worker.address_prefix
destination_address_prefix = azurerm_subnet.controller.address_prefix
}
# Allow Prometheus to scrape kube-scheduler and kube-controller-manager metrics
resource "azurerm_network_security_rule" "controller-kube-metrics" {
resource_group_name = azurerm_resource_group.cluster.name
name = "allow-kube-metrics"
network_security_group_name = azurerm_network_security_group.controller.name
priority = "2011"
priority = "2012"
access = "Allow"
direction = "Inbound"
protocol = "Tcp"
@ -251,6 +267,22 @@ resource "azurerm_network_security_rule" "worker-node-exporter" {
destination_address_prefix = azurerm_subnet.worker.address_prefix
}
# Allow Prometheus to scrape kube-proxy
resource "azurerm_network_security_rule" "worker-kube-proxy" {
resource_group_name = azurerm_resource_group.cluster.name
name = "allow-kube-proxy"
network_security_group_name = azurerm_network_security_group.worker.name
priority = "2024"
access = "Allow"
direction = "Inbound"
protocol = "Tcp"
source_port_range = "*"
destination_port_range = "10249"
source_address_prefix = azurerm_subnet.worker.address_prefix
destination_address_prefix = azurerm_subnet.worker.address_prefix
}
# Allow apiserver to access kubelet's for exec, log, port-forward
resource "azurerm_network_security_rule" "worker-kubelet" {
resource_group_name = azurerm_resource_group.cluster.name

View File

@ -1,3 +1,12 @@
locals {
# format assets for distribution
assets_bundle = [
# header with the unpack location
for key, value in module.bootstrap.assets_dist :
format("##### %s\n%s", key, value)
]
}
# Secure copy assets to controllers.
resource "null_resource" "copy-controller-secrets" {
count = var.controller_count
@ -15,63 +24,13 @@ resource "null_resource" "copy-controller-secrets" {
}
provisioner "file" {
content = module.bootstrap.etcd_ca_cert
destination = "$HOME/etcd-client-ca.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_client_cert
destination = "$HOME/etcd-client.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_client_key
destination = "$HOME/etcd-client.key"
}
provisioner "file" {
content = module.bootstrap.etcd_server_cert
destination = "$HOME/etcd-server.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_server_key
destination = "$HOME/etcd-server.key"
}
provisioner "file" {
content = module.bootstrap.etcd_peer_cert
destination = "$HOME/etcd-peer.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_peer_key
destination = "$HOME/etcd-peer.key"
}
provisioner "file" {
source = var.asset_dir
content = join("\n", local.assets_bundle)
destination = "$HOME/assets"
}
provisioner "remote-exec" {
inline = [
"sudo mkdir -p /etc/ssl/etcd/etcd",
"sudo mv etcd-client* /etc/ssl/etcd/",
"sudo cp /etc/ssl/etcd/etcd-client-ca.crt /etc/ssl/etcd/etcd/server-ca.crt",
"sudo mv etcd-server.crt /etc/ssl/etcd/etcd/server.crt",
"sudo mv etcd-server.key /etc/ssl/etcd/etcd/server.key",
"sudo cp /etc/ssl/etcd/etcd-client-ca.crt /etc/ssl/etcd/etcd/peer-ca.crt",
"sudo mv etcd-peer.crt /etc/ssl/etcd/etcd/peer.crt",
"sudo mv etcd-peer.key /etc/ssl/etcd/etcd/peer.key",
"sudo chown -R etcd:etcd /etc/ssl/etcd",
"sudo chmod -R 500 /etc/ssl/etcd",
"sudo mv $HOME/assets /opt/bootstrap/assets",
"sudo mkdir -p /etc/kubernetes/manifests",
"sudo mkdir -p /etc/kubernetes/bootstrap-secrets",
"sudo cp -r /opt/bootstrap/assets/tls/* /etc/kubernetes/bootstrap-secrets/",
"sudo cp /opt/bootstrap/assets/auth/kubeconfig /etc/kubernetes/bootstrap-secrets/",
"sudo cp -r /opt/bootstrap/assets/static-manifests/* /etc/kubernetes/manifests/",
"sudo /opt/bootstrap/layout",
]
}
}
@ -86,7 +45,7 @@ resource "null_resource" "bootstrap" {
connection {
type = "ssh"
host = element(azurerm_public_ip.controllers.*.ip_address, 0)
host = azurerm_public_ip.controllers.*.ip_address[0]
user = "core"
timeout = "15m"
}

View File

@ -23,27 +23,27 @@ variable "dns_zone_group" {
# instances
variable "controller_count" {
type = string
default = "1"
type = number
description = "Number of controllers (i.e. masters)"
default = 1
}
variable "worker_count" {
type = string
default = "1"
type = number
description = "Number of workers"
default = 1
}
variable "controller_type" {
type = string
default = "Standard_B2s"
description = "Machine type for controllers (see `az vm list-skus --location centralus`)"
default = "Standard_B2s"
}
variable "worker_type" {
type = string
default = "Standard_DS1_v2"
description = "Machine type for workers (see `az vm list-skus --location centralus`)"
default = "Standard_DS1_v2"
}
variable "os_image" {
@ -53,15 +53,15 @@ variable "os_image" {
}
variable "disk_size" {
type = string
default = "40"
type = number
description = "Size of the disk in GB"
default = 40
}
variable "worker_priority" {
type = string
default = "Regular"
description = "Set worker priority to Low to use reduced cost surplus capacity, with the tradeoff that instances can be deallocated at any time."
default = "Regular"
}
variable "controller_clc_snippets" {
@ -84,54 +84,61 @@ variable "ssh_authorized_key" {
}
variable "asset_dir" {
description = "Path to a directory where generated assets should be placed (contains secrets)"
type = string
description = "Absolute path to a directory where generated assets should be placed (contains secrets)"
default = ""
}
variable "networking" {
description = "Choice of networking provider (flannel or calico)"
type = string
default = "flannel"
description = "Choice of networking provider (flannel or calico)"
default = "calico"
}
variable "host_cidr" {
description = "CIDR IPv4 range to assign to instances"
type = string
description = "CIDR IPv4 range to assign to instances"
default = "10.0.0.0/16"
}
variable "pod_cidr" {
description = "CIDR IPv4 range to assign Kubernetes pods"
type = string
description = "CIDR IPv4 range to assign Kubernetes pods"
default = "10.2.0.0/16"
}
variable "service_cidr" {
type = string
description = <<EOD
CIDR IPv4 range to assign Kubernetes services.
The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for coredns.
EOD
type = string
default = "10.3.0.0/16"
}
variable "cluster_domain_suffix" {
description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
type = string
default = "cluster.local"
default = "10.3.0.0/16"
}
variable "enable_reporting" {
type = string
type = bool
description = "Enable usage or analytics reporting to upstreams (Calico)"
default = "false"
default = false
}
variable "enable_aggregation" {
type = bool
description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
type = string
default = "false"
default = false
}
variable "worker_node_labels" {
type = list(string)
description = "List of initial worker node labels"
default = []
}
# unofficial, undocumented, unsupported
variable "cluster_domain_suffix" {
type = string
description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
default = "cluster.local"
}

View File

@ -1,7 +1,7 @@
# Terraform version and plugin versions
terraform {
required_version = "~> 0.12.0"
required_version = "~> 0.12.6"
required_providers {
azurerm = "~> 1.27"
ct = "~> 0.3"

View File

@ -20,5 +20,6 @@ module "workers" {
service_cidr = var.service_cidr
cluster_domain_suffix = var.cluster_domain_suffix
clc_snippets = var.worker_clc_snippets
node_labels = var.worker_node_labels
}

View File

@ -25,28 +25,46 @@ systemd:
Description=Kubelet via Hyperkube
Wants=rpc-statd.service
[Service]
EnvironmentFile=/etc/kubernetes/kubelet.env
Environment="RKT_RUN_ARGS=--uuid-file-save=/var/cache/kubelet-pod.uuid \
--volume=resolv,kind=host,source=/etc/resolv.conf \
--mount volume=resolv,target=/etc/resolv.conf \
--volume var-lib-cni,kind=host,source=/var/lib/cni \
--mount volume=var-lib-cni,target=/var/lib/cni \
--volume var-lib-calico,kind=host,source=/var/lib/calico \
--mount volume=var-lib-calico,target=/var/lib/calico \
--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
--mount volume=opt-cni-bin,target=/opt/cni/bin \
--volume var-log,kind=host,source=/var/log \
--mount volume=var-log,target=/var/log \
--insecure-options=image"
ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d
ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
ExecStartPre=/bin/mkdir -p /opt/cni/bin
ExecStartPre=/bin/mkdir -p /var/lib/cni
ExecStartPre=/bin/mkdir -p /var/lib/calico
ExecStartPre=/bin/mkdir -p /var/lib/kubelet/volumeplugins
ExecStartPre=/usr/bin/bash -c "grep 'certificate-authority-data' /etc/kubernetes/kubeconfig | awk '{print $2}' | base64 -d > /etc/kubernetes/ca.crt"
ExecStartPre=-/usr/bin/rkt rm --uuid-file=/var/cache/kubelet-pod.uuid
ExecStart=/usr/lib/coreos/kubelet-wrapper \
ExecStart=/usr/bin/rkt run \
--uuid-file-save=/var/cache/kubelet-pod.uuid \
--stage1-from-dir=stage1-fly.aci \
--hosts-entry host \
--insecure-options=image \
--volume etc-kubernetes,kind=host,source=/etc/kubernetes,readOnly=true \
--mount volume=etc-kubernetes,target=/etc/kubernetes \
--volume etc-machine-id,kind=host,source=/etc/machine-id,readOnly=true \
--mount volume=etc-machine-id,target=/etc/machine-id \
--volume etc-os-release,kind=host,source=/usr/lib/os-release,readOnly=true \
--mount volume=etc-os-release,target=/etc/os-release \
--volume=etc-resolv,kind=host,source=/etc/resolv.conf,readOnly=true \
--mount volume=etc-resolv,target=/etc/resolv.conf \
--volume etc-ssl-certs,kind=host,source=/etc/ssl/certs,readOnly=true \
--mount volume=etc-ssl-certs,target=/etc/ssl/certs \
--volume lib-modules,kind=host,source=/lib/modules,readOnly=true \
--mount volume=lib-modules,target=/lib/modules \
--volume run,kind=host,source=/run \
--mount volume=run,target=/run \
--volume usr-share-certs,kind=host,source=/usr/share/ca-certificates,readOnly=true \
--mount volume=usr-share-certs,target=/usr/share/ca-certificates \
--volume var-lib-calico,kind=host,source=/var/lib/calico \
--mount volume=var-lib-calico,target=/var/lib/calico \
--volume var-lib-docker,kind=host,source=/var/lib/docker \
--mount volume=var-lib-docker,target=/var/lib/docker \
--volume var-lib-kubelet,kind=host,source=/var/lib/kubelet,recursive=true \
--mount volume=var-lib-kubelet,target=/var/lib/kubelet \
--volume var-log,kind=host,source=/var/log \
--mount volume=var-log,target=/var/log \
--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
--mount volume=opt-cni-bin,target=/opt/cni/bin \
docker://k8s.gcr.io/hyperkube:v1.17.3 \
--exec=/usr/local/bin/kubelet -- \
--anonymous-auth=false \
--authentication-token-webhook \
--authorization-mode=Webhook \
@ -55,10 +73,14 @@ systemd:
--cluster_domain=${cluster_domain_suffix} \
--cni-conf-dir=/etc/kubernetes/cni/net.d \
--exit-on-lock-contention \
--healthz-port=0 \
--kubeconfig=/etc/kubernetes/kubeconfig \
--lock-file=/var/run/lock/kubelet.lock \
--network-plugin=cni \
--node-labels=node.kubernetes.io/node \
%{ for label in split(",", node_labels) }
--node-labels=${label} \
%{ endfor ~}
--pod-manifest-path=/etc/kubernetes/manifests \
--read-only-port=0 \
--volume-plugin-dir=/var/lib/kubelet/volumeplugins
@ -87,13 +109,6 @@ storage:
contents:
inline: |
${kubeconfig}
- path: /etc/kubernetes/kubelet.env
filesystem: root
mode: 0644
contents:
inline: |
KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube
KUBELET_IMAGE_TAG=v1.16.0
- path: /etc/sysctl.d/max-user-watches.conf
filesystem: root
contents:
@ -111,10 +126,11 @@ storage:
--volume config,kind=host,source=/etc/kubernetes \
--mount volume=config,target=/etc/kubernetes \
--insecure-options=image \
docker://k8s.gcr.io/hyperkube:v1.16.0 \
docker://k8s.gcr.io/hyperkube:v1.17.3 \
--net=host \
--dns=host \
--exec=/kubectl -- --kubeconfig=/etc/kubernetes/kubeconfig delete node $(hostname | tr '[:upper:]' '[:lower:]')
-- \
kubectl -- --kubeconfig=/etc/kubernetes/kubeconfig delete node $(hostname | tr '[:upper:]' '[:lower:]')
passwd:
users:
- name: core

View File

@ -33,27 +33,27 @@ variable "backend_address_pool_id" {
# instances
variable "worker_count" {
type = string
default = "1"
type = number
description = "Number of instances"
default = 1
}
variable "vm_type" {
type = string
default = "Standard_F1"
description = "Machine type for instances (see `az vm list-skus --location centralus`)"
default = "Standard_DS1_v2"
}
variable "os_image" {
type = string
default = "coreos-stable"
description = "Channel for a Container Linux derivative (coreos-stable, coreos-beta, coreos-alpha)"
default = "coreos-stable"
}
variable "priority" {
type = string
default = "Regular"
description = "Set priority to Low to use reduced cost surplus capacity, with the tradeoff that instances can be evicted at any time."
default = "Regular"
}
variable "clc_snippets" {
@ -75,19 +75,25 @@ variable "ssh_authorized_key" {
}
variable "service_cidr" {
type = string
description = <<EOD
CIDR IPv4 range to assign Kubernetes services.
The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for coredns.
EOD
type = string
default = "10.3.0.0/16"
default = "10.3.0.0/16"
}
variable "node_labels" {
type = list(string)
description = "List of initial node labels"
default = []
}
# unofficial, undocumented, unsupported
variable "cluster_domain_suffix" {
description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
type = string
default = "cluster.local"
type = string
default = "cluster.local"
}

View File

@ -1,7 +1,7 @@
locals {
# Channel for a Container Linux derivative
# coreos-stable -> Container Linux Stable
channel = element(split("-", var.os_image), 1)
channel = split("-", var.os_image)[1]
}
# Workers scale set
@ -69,8 +69,8 @@ resource "azurerm_virtual_machine_scale_set" "workers" {
# lifecycle
upgrade_policy_mode = "Manual"
# eviction policy may only be set when priority is Low
priority = var.priority
eviction_policy = var.priority == "Low" ? "Delete" : null
priority = var.priority
eviction_policy = var.priority == "Low" ? "Delete" : null
}
# Scale up or down to maintain desired number, tolerating deallocations.
@ -104,13 +104,14 @@ data "ct_config" "worker-ignition" {
# Worker Container Linux configs
data "template_file" "worker-config" {
template = file("${path.module}/cl/worker.yaml.tmpl")
template = file("${path.module}/cl/worker.yaml")
vars = {
kubeconfig = indent(10, var.kubeconfig)
ssh_authorized_key = var.ssh_authorized_key
cluster_dns_service_ip = cidrhost(var.service_cidr, 10)
cluster_domain_suffix = var.cluster_domain_suffix
node_labels = join(",", var.node_labels)
}
}

View File

@ -11,7 +11,7 @@ Typhoon distributes upstream Kubernetes, architectural conventions, and cluster
## Features <a href="https://www.cncf.io/certification/software-conformance/"><img align="right" src="https://storage.googleapis.com/poseidon/certified-kubernetes.png"></a>
* Kubernetes v1.16.0 (upstream)
* Kubernetes v1.17.3 (upstream)
* Single or multi-master, [Calico](https://www.projectcalico.org/) or [flannel](https://github.com/coreos/flannel) networking
* On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled, [network policy](https://kubernetes.io/docs/concepts/services-networking/network-policies/)
* Advanced features like [snippets](https://typhoon.psdn.io/advanced/customization/#container-linux) customization

View File

@ -1,10 +1,10 @@
# Kubernetes assets (kubeconfig, manifests)
module "bootstrap" {
source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=539b725093c8cd94ba46603adb25ac5280562ec8"
source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=796194583426593d1a62b6f1bf3f7ffed8fca140"
cluster_name = var.cluster_name
api_servers = [var.k8s_domain_name]
etcd_servers = var.controller_domains
etcd_servers = var.controllers.*.domain
asset_dir = var.asset_dir
networking = var.networking
network_mtu = var.network_mtu

View File

@ -7,7 +7,7 @@ systemd:
- name: 40-etcd-cluster.conf
contents: |
[Service]
Environment="ETCD_IMAGE_TAG=v3.4.0"
Environment="ETCD_IMAGE_TAG=v3.4.3"
Environment="ETCD_NAME=${etcd_name}"
Environment="ETCD_ADVERTISE_CLIENT_URLS=https://${domain_name}:2379"
Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=https://${domain_name}:2380"
@ -58,33 +58,51 @@ systemd:
Description=Kubelet via Hyperkube
Wants=rpc-statd.service
[Service]
EnvironmentFile=/etc/kubernetes/kubelet.env
Environment="RKT_RUN_ARGS=--uuid-file-save=/var/cache/kubelet-pod.uuid \
--volume=resolv,kind=host,source=/etc/resolv.conf \
--mount volume=resolv,target=/etc/resolv.conf \
--volume var-lib-cni,kind=host,source=/var/lib/cni \
--mount volume=var-lib-cni,target=/var/lib/cni \
--volume var-lib-calico,kind=host,source=/var/lib/calico \
--mount volume=var-lib-calico,target=/var/lib/calico \
--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
--mount volume=opt-cni-bin,target=/opt/cni/bin \
--volume var-log,kind=host,source=/var/log \
--mount volume=var-log,target=/var/log \
--volume iscsiconf,kind=host,source=/etc/iscsi/ \
--mount volume=iscsiconf,target=/etc/iscsi/ \
--volume iscsiadm,kind=host,source=/usr/sbin/iscsiadm \
--mount volume=iscsiadm,target=/sbin/iscsiadm \
--insecure-options=image"
Environment=KUBELET_CGROUP_DRIVER=${cgroup_driver}
ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d
ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
ExecStartPre=/bin/mkdir -p /opt/cni/bin
ExecStartPre=/bin/mkdir -p /var/lib/cni
ExecStartPre=/bin/mkdir -p /var/lib/calico
ExecStartPre=/bin/mkdir -p /var/lib/kubelet/volumeplugins
ExecStartPre=/usr/bin/bash -c "grep 'certificate-authority-data' /etc/kubernetes/kubeconfig | awk '{print $2}' | base64 -d > /etc/kubernetes/ca.crt"
ExecStartPre=-/usr/bin/rkt rm --uuid-file=/var/cache/kubelet-pod.uuid
ExecStart=/usr/lib/coreos/kubelet-wrapper \
ExecStart=/usr/bin/rkt run \
--uuid-file-save=/var/cache/kubelet-pod.uuid \
--stage1-from-dir=stage1-fly.aci \
--hosts-entry host \
--insecure-options=image \
--volume etc-kubernetes,kind=host,source=/etc/kubernetes,readOnly=true \
--mount volume=etc-kubernetes,target=/etc/kubernetes \
--volume etc-machine-id,kind=host,source=/etc/machine-id,readOnly=true \
--mount volume=etc-machine-id,target=/etc/machine-id \
--volume etc-os-release,kind=host,source=/usr/lib/os-release,readOnly=true \
--mount volume=etc-os-release,target=/etc/os-release \
--volume=etc-resolv,kind=host,source=/etc/resolv.conf,readOnly=true \
--mount volume=etc-resolv,target=/etc/resolv.conf \
--volume etc-ssl-certs,kind=host,source=/etc/ssl/certs,readOnly=true \
--mount volume=etc-ssl-certs,target=/etc/ssl/certs \
--volume lib-modules,kind=host,source=/lib/modules,readOnly=true \
--mount volume=lib-modules,target=/lib/modules \
--volume run,kind=host,source=/run \
--mount volume=run,target=/run \
--volume usr-share-certs,kind=host,source=/usr/share/ca-certificates,readOnly=true \
--mount volume=usr-share-certs,target=/usr/share/ca-certificates \
--volume var-lib-calico,kind=host,source=/var/lib/calico \
--mount volume=var-lib-calico,target=/var/lib/calico \
--volume var-lib-docker,kind=host,source=/var/lib/docker \
--mount volume=var-lib-docker,target=/var/lib/docker \
--volume var-lib-kubelet,kind=host,source=/var/lib/kubelet,recursive=true \
--mount volume=var-lib-kubelet,target=/var/lib/kubelet \
--volume var-log,kind=host,source=/var/log \
--mount volume=var-log,target=/var/log \
--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
--mount volume=opt-cni-bin,target=/opt/cni/bin \
--volume etc-iscsi,kind=host,source=/etc/iscsi \
--mount volume=etc-iscsi,target=/etc/iscsi \
--volume usr-sbin-iscsiadm,kind=host,source=/usr/sbin/iscsiadm \
--mount volume=usr-sbin-iscsiadm,target=/sbin/iscsiadm \
docker://k8s.gcr.io/hyperkube:v1.17.3 \
--exec=/usr/local/bin/kubelet -- \
--anonymous-auth=false \
--authentication-token-webhook \
--authorization-mode=Webhook \
@ -94,6 +112,7 @@ systemd:
--cluster_domain=${cluster_domain_suffix} \
--cni-conf-dir=/etc/kubernetes/cni/net.d \
--exit-on-lock-contention \
--healthz-port=0 \
--hostname-override=${domain_name} \
--kubeconfig=/etc/kubernetes/kubeconfig \
--lock-file=/var/run/lock/kubelet.lock \
@ -121,12 +140,14 @@ systemd:
ExecStartPre=-/usr/bin/bash -c 'set -x && [ -n "$(ls /opt/bootstrap/assets/manifests-*/* 2>/dev/null)" ] && mv /opt/bootstrap/assets/manifests-*/* /opt/bootstrap/assets/manifests && rm -rf /opt/bootstrap/assets/manifests-*'
ExecStart=/usr/bin/rkt run \
--trust-keys-from-https \
--volume config,kind=host,source=/etc/kubernetes/bootstrap-secrets \
--mount volume=config,target=/etc/kubernetes/secrets \
--volume assets,kind=host,source=/opt/bootstrap/assets \
--mount volume=assets,target=/assets \
--volume script,kind=host,source=/opt/bootstrap/apply \
--mount volume=script,target=/apply \
--insecure-options=image \
docker://k8s.gcr.io/hyperkube:v1.16.0 \
docker://k8s.gcr.io/hyperkube:v1.17.3 \
--net=host \
--dns=host \
--exec=/apply
@ -134,27 +155,45 @@ systemd:
[Install]
WantedBy=multi-user.target
storage:
files:
- path: /etc/kubernetes/kubelet.env
directories:
- path: /etc/kubernetes
filesystem: root
mode: 0644
contents:
inline: |
KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube
KUBELET_IMAGE_TAG=v1.16.0
files:
- path: /etc/hostname
filesystem: root
mode: 0644
contents:
inline:
${domain_name}
- path: /opt/bootstrap/layout
filesystem: root
mode: 0544
contents:
inline: |
#!/bin/bash -e
mkdir -p -- auth tls/etcd tls/k8s static-manifests manifests/coredns manifests-networking
awk '/#####/ {filename=$2; next} {print > filename}' assets
mkdir -p /etc/ssl/etcd/etcd
mkdir -p /etc/kubernetes/bootstrap-secrets
mv tls/etcd/{peer*,server*} /etc/ssl/etcd/etcd/
mv tls/etcd/etcd-client* /etc/kubernetes/bootstrap-secrets/
chown -R etcd:etcd /etc/ssl/etcd
chmod -R 500 /etc/ssl/etcd
mv auth/kubeconfig /etc/kubernetes/bootstrap-secrets/
mv tls/k8s/* /etc/kubernetes/bootstrap-secrets/
sudo mkdir -p /etc/kubernetes/manifests
sudo mv static-manifests/* /etc/kubernetes/manifests/
sudo mkdir -p /opt/bootstrap/assets
sudo mv manifests /opt/bootstrap/assets/manifests
sudo mv manifests-networking /opt/bootstrap/assets/manifests-networking
rm -rf assets auth static-manifests tls
- path: /opt/bootstrap/apply
filesystem: root
mode: 0544
contents:
inline: |
#!/bin/bash -e
export KUBECONFIG=/assets/auth/kubeconfig
export KUBECONFIG=/etc/kubernetes/secrets/kubeconfig
until kubectl version; do
echo "Waiting for static pod control plane"
sleep 5

View File

@ -35,7 +35,6 @@ storage:
-d ${install_disk} \
-C ${os_channel} \
-V ${os_version} \
-o "${container_linux_oem}" \
${baseurl_flag} \
-i ignition.json
udevadm settle

View File

@ -33,33 +33,51 @@ systemd:
Description=Kubelet via Hyperkube
Wants=rpc-statd.service
[Service]
EnvironmentFile=/etc/kubernetes/kubelet.env
Environment="RKT_RUN_ARGS=--uuid-file-save=/var/cache/kubelet-pod.uuid \
--volume=resolv,kind=host,source=/etc/resolv.conf \
--mount volume=resolv,target=/etc/resolv.conf \
--volume var-lib-cni,kind=host,source=/var/lib/cni \
--mount volume=var-lib-cni,target=/var/lib/cni \
--volume var-lib-calico,kind=host,source=/var/lib/calico \
--mount volume=var-lib-calico,target=/var/lib/calico \
--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
--mount volume=opt-cni-bin,target=/opt/cni/bin \
--volume var-log,kind=host,source=/var/log \
--mount volume=var-log,target=/var/log \
--volume iscsiconf,kind=host,source=/etc/iscsi/ \
--mount volume=iscsiconf,target=/etc/iscsi/ \
--volume iscsiadm,kind=host,source=/usr/sbin/iscsiadm \
--mount volume=iscsiadm,target=/sbin/iscsiadm \
--insecure-options=image"
Environment=KUBELET_CGROUP_DRIVER=${cgroup_driver}
ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d
ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
ExecStartPre=/bin/mkdir -p /opt/cni/bin
ExecStartPre=/bin/mkdir -p /var/lib/cni
ExecStartPre=/bin/mkdir -p /var/lib/calico
ExecStartPre=/bin/mkdir -p /var/lib/kubelet/volumeplugins
ExecStartPre=/usr/bin/bash -c "grep 'certificate-authority-data' /etc/kubernetes/kubeconfig | awk '{print $2}' | base64 -d > /etc/kubernetes/ca.crt"
ExecStartPre=-/usr/bin/rkt rm --uuid-file=/var/cache/kubelet-pod.uuid
ExecStart=/usr/lib/coreos/kubelet-wrapper \
ExecStart=/usr/bin/rkt run \
--uuid-file-save=/var/cache/kubelet-pod.uuid \
--stage1-from-dir=stage1-fly.aci \
--hosts-entry host \
--insecure-options=image \
--volume etc-kubernetes,kind=host,source=/etc/kubernetes,readOnly=true \
--mount volume=etc-kubernetes,target=/etc/kubernetes \
--volume etc-machine-id,kind=host,source=/etc/machine-id,readOnly=true \
--mount volume=etc-machine-id,target=/etc/machine-id \
--volume etc-os-release,kind=host,source=/usr/lib/os-release,readOnly=true \
--mount volume=etc-os-release,target=/etc/os-release \
--volume=etc-resolv,kind=host,source=/etc/resolv.conf,readOnly=true \
--mount volume=etc-resolv,target=/etc/resolv.conf \
--volume etc-ssl-certs,kind=host,source=/etc/ssl/certs,readOnly=true \
--mount volume=etc-ssl-certs,target=/etc/ssl/certs \
--volume lib-modules,kind=host,source=/lib/modules,readOnly=true \
--mount volume=lib-modules,target=/lib/modules \
--volume run,kind=host,source=/run \
--mount volume=run,target=/run \
--volume usr-share-certs,kind=host,source=/usr/share/ca-certificates,readOnly=true \
--mount volume=usr-share-certs,target=/usr/share/ca-certificates \
--volume var-lib-calico,kind=host,source=/var/lib/calico \
--mount volume=var-lib-calico,target=/var/lib/calico \
--volume var-lib-docker,kind=host,source=/var/lib/docker \
--mount volume=var-lib-docker,target=/var/lib/docker \
--volume var-lib-kubelet,kind=host,source=/var/lib/kubelet,recursive=true \
--mount volume=var-lib-kubelet,target=/var/lib/kubelet \
--volume var-log,kind=host,source=/var/log \
--mount volume=var-log,target=/var/log \
--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
--mount volume=opt-cni-bin,target=/opt/cni/bin \
--volume etc-iscsi,kind=host,source=/etc/iscsi \
--mount volume=etc-iscsi,target=/etc/iscsi \
--volume usr-sbin-iscsiadm,kind=host,source=/usr/sbin/iscsiadm \
--mount volume=usr-sbin-iscsiadm,target=/sbin/iscsiadm \
docker://k8s.gcr.io/hyperkube:v1.17.3 \
--exec=/usr/local/bin/kubelet -- \
--anonymous-auth=false \
--authentication-token-webhook \
--authorization-mode=Webhook \
@ -69,6 +87,7 @@ systemd:
--cluster_domain=${cluster_domain_suffix} \
--cni-conf-dir=/etc/kubernetes/cni/net.d \
--exit-on-lock-contention \
--healthz-port=0 \
--hostname-override=${domain_name} \
--kubeconfig=/etc/kubernetes/kubeconfig \
--lock-file=/var/run/lock/kubelet.lock \
@ -84,14 +103,10 @@ systemd:
WantedBy=multi-user.target
storage:
files:
- path: /etc/kubernetes/kubelet.env
directories:
- path: /etc/kubernetes
filesystem: root
mode: 0644
contents:
inline: |
KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube
KUBELET_IMAGE_TAG=v1.16.0
files:
- path: /etc/hostname
filesystem: root
mode: 0644

View File

@ -1,34 +1,34 @@
resource "matchbox_group" "install" {
count = length(var.controller_names) + length(var.worker_names)
count = length(var.controllers) + length(var.workers)
name = format("install-%s", element(concat(var.controller_names, var.worker_names), count.index))
name = format("install-%s", concat(var.controllers.*.name, var.workers.*.name)[count.index])
# pick one of 4 Matchbox profiles (Container Linux or Flatcar, cached or non-cached)
profile = local.flavor == "flatcar" ? var.cached_install == "true" ? element(matchbox_profile.cached-flatcar-linux-install.*.name, count.index) : element(matchbox_profile.flatcar-install.*.name, count.index) : var.cached_install == "true" ? element(matchbox_profile.cached-container-linux-install.*.name, count.index) : element(matchbox_profile.container-linux-install.*.name, count.index)
profile = local.flavor == "flatcar" ? var.cached_install ? matchbox_profile.cached-flatcar-linux-install.*.name[count.index] : matchbox_profile.flatcar-install.*.name[count.index] : var.cached_install ? matchbox_profile.cached-container-linux-install.*.name[count.index] : matchbox_profile.container-linux-install.*.name[count.index]
selector = {
mac = element(concat(var.controller_macs, var.worker_macs), count.index)
mac = concat(var.controllers.*.mac, var.workers.*.mac)[count.index]
}
}
resource "matchbox_group" "controller" {
count = length(var.controller_names)
name = format("%s-%s", var.cluster_name, element(var.controller_names, count.index))
profile = element(matchbox_profile.controllers.*.name, count.index)
count = length(var.controllers)
name = format("%s-%s", var.cluster_name, var.controllers[count.index].name)
profile = matchbox_profile.controllers.*.name[count.index]
selector = {
mac = element(var.controller_macs, count.index)
mac = var.controllers[count.index].mac
os = "installed"
}
}
resource "matchbox_group" "worker" {
count = length(var.worker_names)
name = format("%s-%s", var.cluster_name, element(var.worker_names, count.index))
profile = element(matchbox_profile.workers.*.name, count.index)
count = length(var.workers)
name = format("%s-%s", var.cluster_name, var.workers[count.index].name)
profile = matchbox_profile.workers.*.name[count.index]
selector = {
mac = element(var.worker_macs, count.index)
mac = var.workers[count.index].mac
os = "installed"
}
}

View File

@ -1,15 +1,14 @@
locals {
# coreos-stable -> coreos flavor, stable channel
# flatcar-stable -> flatcar flavor, stable channel
flavor = element(split("-", var.os_channel), 0)
channel = element(split("-", var.os_channel), 1)
flavor = split("-", var.os_channel)[0]
channel = split("-", var.os_channel)[1]
}
// Container Linux Install profile (from release.core-os.net)
resource "matchbox_profile" "container-linux-install" {
count = length(var.controller_names) + length(var.worker_names)
name = format("%s-container-linux-install-%s", var.cluster_name, element(concat(var.controller_names, var.worker_names), count.index))
count = length(var.controllers) + length(var.workers)
name = format("%s-container-linux-install-%s", var.cluster_name, concat(var.controllers.*.name, var.workers.*.name)[count.index])
kernel = "${var.download_protocol}://${local.channel}.release.core-os.net/amd64-usr/${var.os_version}/coreos_production_pxe.vmlinuz"
@ -26,22 +25,21 @@ resource "matchbox_profile" "container-linux-install" {
var.kernel_args,
])
container_linux_config = element(data.template_file.container-linux-install-configs.*.rendered, count.index)
container_linux_config = data.template_file.container-linux-install-configs.*.rendered[count.index]
}
data "template_file" "container-linux-install-configs" {
count = length(var.controller_names) + length(var.worker_names)
count = length(var.controllers) + length(var.workers)
template = file("${path.module}/cl/install.yaml.tmpl")
template = file("${path.module}/cl/install.yaml")
vars = {
os_flavor = local.flavor
os_channel = local.channel
os_version = var.os_version
ignition_endpoint = format("%s/ignition", var.matchbox_http_endpoint)
install_disk = var.install_disk
container_linux_oem = var.container_linux_oem
ssh_authorized_key = var.ssh_authorized_key
os_flavor = local.flavor
os_channel = local.channel
os_version = var.os_version
ignition_endpoint = format("%s/ignition", var.matchbox_http_endpoint)
install_disk = var.install_disk
ssh_authorized_key = var.ssh_authorized_key
# only cached-container-linux profile adds -b baseurl
baseurl_flag = ""
}
@ -50,8 +48,8 @@ data "template_file" "container-linux-install-configs" {
// Container Linux Install profile (from matchbox /assets cache)
// Note: Admin must have downloaded os_version into matchbox assets/coreos.
resource "matchbox_profile" "cached-container-linux-install" {
count = length(var.controller_names) + length(var.worker_names)
name = format("%s-cached-container-linux-install-%s", var.cluster_name, element(concat(var.controller_names, var.worker_names), count.index))
count = length(var.controllers) + length(var.workers)
name = format("%s-cached-container-linux-install-%s", var.cluster_name, concat(var.controllers.*.name, var.workers.*.name)[count.index])
kernel = "/assets/coreos/${var.os_version}/coreos_production_pxe.vmlinuz"
@ -68,22 +66,21 @@ resource "matchbox_profile" "cached-container-linux-install" {
var.kernel_args,
])
container_linux_config = element(data.template_file.cached-container-linux-install-configs.*.rendered, count.index)
container_linux_config = data.template_file.cached-container-linux-install-configs.*.rendered[count.index]
}
data "template_file" "cached-container-linux-install-configs" {
count = length(var.controller_names) + length(var.worker_names)
count = length(var.controllers) + length(var.workers)
template = file("${path.module}/cl/install.yaml.tmpl")
template = file("${path.module}/cl/install.yaml")
vars = {
os_flavor = local.flavor
os_channel = local.channel
os_version = var.os_version
ignition_endpoint = format("%s/ignition", var.matchbox_http_endpoint)
install_disk = var.install_disk
container_linux_oem = var.container_linux_oem
ssh_authorized_key = var.ssh_authorized_key
os_flavor = local.flavor
os_channel = local.channel
os_version = var.os_version
ignition_endpoint = format("%s/ignition", var.matchbox_http_endpoint)
install_disk = var.install_disk
ssh_authorized_key = var.ssh_authorized_key
# profile uses -b baseurl to install from matchbox cache
baseurl_flag = "-b ${var.matchbox_http_endpoint}/assets/${local.flavor}"
}
@ -91,8 +88,8 @@ data "template_file" "cached-container-linux-install-configs" {
// Flatcar Linux install profile (from release.flatcar-linux.net)
resource "matchbox_profile" "flatcar-install" {
count = length(var.controller_names) + length(var.worker_names)
name = format("%s-flatcar-install-%s", var.cluster_name, element(concat(var.controller_names, var.worker_names), count.index))
count = length(var.controllers) + length(var.workers)
name = format("%s-flatcar-install-%s", var.cluster_name, concat(var.controllers.*.name, var.workers.*.name)[count.index])
kernel = "${var.download_protocol}://${local.channel}.release.flatcar-linux.net/amd64-usr/${var.os_version}/flatcar_production_pxe.vmlinuz"
@ -109,14 +106,14 @@ resource "matchbox_profile" "flatcar-install" {
var.kernel_args,
])
container_linux_config = element(data.template_file.container-linux-install-configs.*.rendered, count.index)
container_linux_config = data.template_file.container-linux-install-configs.*.rendered[count.index]
}
// Flatcar Linux Install profile (from matchbox /assets cache)
// Note: Admin must have downloaded os_version into matchbox assets/flatcar.
resource "matchbox_profile" "cached-flatcar-linux-install" {
count = length(var.controller_names) + length(var.worker_names)
name = format("%s-cached-flatcar-linux-install-%s", var.cluster_name, element(concat(var.controller_names, var.worker_names), count.index))
count = length(var.controllers) + length(var.workers)
name = format("%s-cached-flatcar-linux-install-%s", var.cluster_name, concat(var.controllers.*.name, var.workers.*.name)[count.index])
kernel = "/assets/flatcar/${var.os_version}/flatcar_production_pxe.vmlinuz"
@ -133,33 +130,33 @@ resource "matchbox_profile" "cached-flatcar-linux-install" {
var.kernel_args,
])
container_linux_config = element(data.template_file.cached-container-linux-install-configs.*.rendered, count.index)
container_linux_config = data.template_file.cached-container-linux-install-configs.*.rendered[count.index]
}
// Kubernetes Controller profiles
resource "matchbox_profile" "controllers" {
count = length(var.controller_names)
name = format("%s-controller-%s", var.cluster_name, element(var.controller_names, count.index))
raw_ignition = element(data.ct_config.controller-ignitions.*.rendered, count.index)
count = length(var.controllers)
name = format("%s-controller-%s", var.cluster_name, var.controllers.*.name[count.index])
raw_ignition = data.ct_config.controller-ignitions.*.rendered[count.index]
}
data "ct_config" "controller-ignitions" {
count = length(var.controller_names)
content = element(data.template_file.controller-configs.*.rendered, count.index)
count = length(var.controllers)
content = data.template_file.controller-configs.*.rendered[count.index]
pretty_print = false
snippets = local.clc_map[element(var.controller_names, count.index)]
snippets = local.clc_map[var.controllers.*.name[count.index]]
}
data "template_file" "controller-configs" {
count = length(var.controller_names)
count = length(var.controllers)
template = file("${path.module}/cl/controller.yaml.tmpl")
template = file("${path.module}/cl/controller.yaml")
vars = {
domain_name = element(var.controller_domains, count.index)
etcd_name = element(var.controller_names, count.index)
etcd_initial_cluster = join(",", formatlist("%s=https://%s:2380", var.controller_names, var.controller_domains))
cgroup_driver = var.os_channel == "flatcar-edge" ? "systemd" : "cgroupfs"
domain_name = var.controllers.*.domain[count.index]
etcd_name = var.controllers.*.name[count.index]
etcd_initial_cluster = join(",", formatlist("%s=https://%s:2380", var.controllers.*.name, var.controllers.*.domain))
cgroup_driver = var.os_channel == "flatcar-edge" ? "systemd" : "cgroupfs"
cluster_dns_service_ip = module.bootstrap.cluster_dns_service_ip
cluster_domain_suffix = var.cluster_domain_suffix
ssh_authorized_key = var.ssh_authorized_key
@ -168,26 +165,26 @@ data "template_file" "controller-configs" {
// Kubernetes Worker profiles
resource "matchbox_profile" "workers" {
count = length(var.worker_names)
name = format("%s-worker-%s", var.cluster_name, element(var.worker_names, count.index))
raw_ignition = element(data.ct_config.worker-ignitions.*.rendered, count.index)
count = length(var.workers)
name = format("%s-worker-%s", var.cluster_name, var.workers.*.name[count.index])
raw_ignition = data.ct_config.worker-ignitions.*.rendered[count.index]
}
data "ct_config" "worker-ignitions" {
count = length(var.worker_names)
content = element(data.template_file.worker-configs.*.rendered, count.index)
count = length(var.workers)
content = data.template_file.worker-configs.*.rendered[count.index]
pretty_print = false
snippets = local.clc_map[element(var.worker_names, count.index)]
snippets = local.clc_map[var.workers.*.name[count.index]]
}
data "template_file" "worker-configs" {
count = length(var.worker_names)
count = length(var.workers)
template = file("${path.module}/cl/worker.yaml.tmpl")
template = file("${path.module}/cl/worker.yaml")
vars = {
domain_name = element(var.worker_domains, count.index)
cgroup_driver = var.os_channel == "flatcar-edge" ? "systemd" : "cgroupfs"
domain_name = var.workers.*.domain[count.index]
cgroup_driver = var.os_channel == "flatcar-edge" ? "systemd" : "cgroupfs"
cluster_dns_service_ip = module.bootstrap.cluster_dns_service_ip
cluster_domain_suffix = var.cluster_domain_suffix
ssh_authorized_key = var.ssh_authorized_key
@ -200,7 +197,7 @@ locals {
# Default Container Linux config snippets map every node names to list("\n") so
# all lookups succeed
clc_defaults = zipmap(
concat(var.controller_names, var.worker_names),
concat(var.controllers.*.name, var.workers.*.name),
chunklist(data.template_file.clc-default-snippets.*.rendered, 1),
)
@ -210,7 +207,7 @@ locals {
// Horrible hack to generate a Terraform list of node count length
data "template_file" "clc-default-snippets" {
count = length(var.controller_names) + length(var.worker_names)
count = length(var.controllers) + length(var.workers)
template = "\n"
}

View File

@ -1,6 +1,15 @@
locals {
# format assets for distribution
assets_bundle = [
# header with the unpack location
for key, value in module.bootstrap.assets_dist :
format("##### %s\n%s", key, value)
]
}
# Secure copy assets to controllers. Activates kubelet.service
resource "null_resource" "copy-controller-secrets" {
count = length(var.controller_names)
count = length(var.controllers)
# Without depends_on, remote-exec could start and wait for machines before
# matchbox groups are written, causing a deadlock.
@ -13,7 +22,7 @@ resource "null_resource" "copy-controller-secrets" {
connection {
type = "ssh"
host = var.controller_domains[count.index]
host = var.controllers.*.domain[count.index]
user = "core"
timeout = "60m"
}
@ -24,71 +33,21 @@ resource "null_resource" "copy-controller-secrets" {
}
provisioner "file" {
content = module.bootstrap.etcd_ca_cert
destination = "$HOME/etcd-client-ca.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_client_cert
destination = "$HOME/etcd-client.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_client_key
destination = "$HOME/etcd-client.key"
}
provisioner "file" {
content = module.bootstrap.etcd_server_cert
destination = "$HOME/etcd-server.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_server_key
destination = "$HOME/etcd-server.key"
}
provisioner "file" {
content = module.bootstrap.etcd_peer_cert
destination = "$HOME/etcd-peer.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_peer_key
destination = "$HOME/etcd-peer.key"
}
provisioner "file" {
source = var.asset_dir
content = join("\n", local.assets_bundle)
destination = "$HOME/assets"
}
provisioner "remote-exec" {
inline = [
"sudo mkdir -p /etc/ssl/etcd/etcd",
"sudo mv etcd-client* /etc/ssl/etcd/",
"sudo cp /etc/ssl/etcd/etcd-client-ca.crt /etc/ssl/etcd/etcd/server-ca.crt",
"sudo mv etcd-server.crt /etc/ssl/etcd/etcd/server.crt",
"sudo mv etcd-server.key /etc/ssl/etcd/etcd/server.key",
"sudo cp /etc/ssl/etcd/etcd-client-ca.crt /etc/ssl/etcd/etcd/peer-ca.crt",
"sudo mv etcd-peer.crt /etc/ssl/etcd/etcd/peer.crt",
"sudo mv etcd-peer.key /etc/ssl/etcd/etcd/peer.key",
"sudo chown -R etcd:etcd /etc/ssl/etcd",
"sudo chmod -R 500 /etc/ssl/etcd",
"sudo mv $HOME/assets /opt/bootstrap/assets",
"sudo mkdir -p /etc/kubernetes/manifests"
"sudo mkdir -p /etc/kubernetes/bootstrap-secrets",
"sudo mv $HOME/kubeconfig /etc/kubernetes/kubeconfig",
"sudo cp -r /opt/bootstrap/assets/tls/* /etc/kubernetes/bootstrap-secrets/",
"sudo cp /opt/bootstrap/assets/auth/kubeconfig /etc/kubernetes/bootstrap-secrets/",
"sudo cp -r /opt/bootstrap/assets/static-manifests/* /etc/kubernetes/manifests/",
"sudo /opt/bootstrap/layout",
]
}
}
# Secure copy kubeconfig to all workers. Activates kubelet.service
resource "null_resource" "copy-worker-secrets" {
count = length(var.worker_names)
count = length(var.workers)
# Without depends_on, remote-exec could start and wait for machines before
# matchbox groups are written, causing a deadlock.
@ -100,7 +59,7 @@ resource "null_resource" "copy-worker-secrets" {
connection {
type = "ssh"
host = var.worker_domains[count.index]
host = var.workers.*.domain[count.index]
user = "core"
timeout = "60m"
}
@ -129,7 +88,7 @@ resource "null_resource" "bootstrap" {
connection {
type = "ssh"
host = var.controller_domains[0]
host = var.controllers[0].domain
user = "core"
timeout = "15m"
}

View File

@ -21,36 +21,32 @@ variable "os_version" {
}
# machines
# Terraform's crude "type system" does not properly support lists of maps so we do this.
variable "controller_names" {
type = list(string)
description = "Ordered list of controller names (e.g. [node1])"
variable "controllers" {
type = list(object({
name = string
mac = string
domain = string
}))
description = <<EOD
List of controller machine details (unique name, identifying MAC address, FQDN)
[{ name = "node1", mac = "52:54:00:a1:9c:ae", domain = "node1.example.com"}]
EOD
}
variable "controller_macs" {
type = list(string)
description = "Ordered list of controller identifying MAC addresses (e.g. [52:54:00:a1:9c:ae])"
}
variable "controller_domains" {
type = list(string)
description = "Ordered list of controller FQDNs (e.g. [node1.example.com])"
}
variable "worker_names" {
type = list(string)
description = "Ordered list of worker names (e.g. [node2, node3])"
}
variable "worker_macs" {
type = list(string)
description = "Ordered list of worker identifying MAC addresses (e.g. [52:54:00:b2:2f:86, 52:54:00:c3:61:77])"
}
variable "worker_domains" {
type = list(string)
description = "Ordered list of worker FQDNs (e.g. [node2.example.com, node3.example.com])"
variable "workers" {
type = list(object({
name = string
mac = string
domain = string
}))
description = <<EOD
List of worker machine details (unique name, identifying MAC address, FQDN)
[
{ name = "node2", mac = "52:54:00:b2:2f:86", domain = "node2.example.com"},
{ name = "node3", mac = "52:54:00:c3:61:77", domain = "node3.example.com"}
]
EOD
}
variable "clc_snippets" {
@ -62,8 +58,8 @@ variable "clc_snippets" {
# configuration
variable "k8s_domain_name" {
description = "Controller DNS name which resolves to a controller instance. Workers and kubeconfig's will communicate with this endpoint (e.g. cluster.example.com)"
type = string
description = "Controller DNS name which resolves to a controller instance. Workers and kubeconfig's will communicate with this endpoint (e.g. cluster.example.com)"
}
variable "ssh_authorized_key" {
@ -72,92 +68,87 @@ variable "ssh_authorized_key" {
}
variable "asset_dir" {
description = "Path to a directory where generated assets should be placed (contains secrets)"
type = string
description = "Absolute path to a directory where generated assets should be placed (contains secrets)"
default = ""
}
variable "networking" {
description = "Choice of networking provider (flannel or calico)"
type = string
description = "Choice of networking provider (flannel or calico)"
default = "calico"
}
variable "network_mtu" {
type = number
description = "CNI interface MTU (applies to calico only)"
type = string
default = "1480"
default = 1480
}
variable "network_ip_autodetection_method" {
description = "Method to autodetect the host IPv4 address (applies to calico only)"
type = string
description = "Method to autodetect the host IPv4 address (applies to calico only)"
default = "first-found"
}
variable "pod_cidr" {
description = "CIDR IPv4 range to assign Kubernetes pods"
type = string
description = "CIDR IPv4 range to assign Kubernetes pods"
default = "10.2.0.0/16"
}
variable "service_cidr" {
type = string
description = <<EOD
CIDR IPv4 range to assign Kubernetes services.
The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for coredns.
EOD
type = string
default = "10.3.0.0/16"
default = "10.3.0.0/16"
}
# optional
variable "cluster_domain_suffix" {
description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
type = string
default = "cluster.local"
}
variable "download_protocol" {
type = string
default = "https"
type = string
description = "Protocol iPXE should use to download the kernel and initrd. Defaults to https, which requires iPXE compiled with crypto support. Unused if cached_install is true."
default = "https"
}
variable "cached_install" {
type = string
default = "false"
type = bool
description = "Whether Container Linux should PXE boot and install from matchbox /assets cache. Note that the admin must have downloaded the os_version into matchbox assets."
default = false
}
variable "install_disk" {
type = string
default = "/dev/sda"
type = string
default = "/dev/sda"
description = "Disk device to which the install profiles should install Container Linux (e.g. /dev/sda)"
}
variable "container_linux_oem" {
type = string
default = ""
description = "DEPRECATED: Specify an OEM image id to use as base for the installation (e.g. ami, vmware_raw, xen) or leave blank for the default image"
}
variable "kernel_args" {
type = list(string)
description = "Additional kernel arguments to provide at PXE boot."
type = list(string)
default = []
default = []
}
variable "enable_reporting" {
type = string
type = bool
description = "Enable usage or analytics reporting to upstreams (Calico)"
default = "false"
default = false
}
variable "enable_aggregation" {
type = bool
description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
type = string
default = "false"
default = false
}
# unofficial, undocumented, unsupported
variable "cluster_domain_suffix" {
type = string
description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
default = "cluster.local"
}

View File

@ -1,7 +1,7 @@
# Terraform version and plugin versions
terraform {
required_version = "~> 0.12.0"
required_version = "~> 0.12.6"
required_providers {
matchbox = "~> 0.3.0"
ct = "~> 0.3"

View File

@ -11,7 +11,7 @@ Typhoon distributes upstream Kubernetes, architectural conventions, and cluster
## Features <a href="https://www.cncf.io/certification/software-conformance/"><img align="right" src="https://storage.googleapis.com/poseidon/certified-kubernetes.png"></a>
* Kubernetes v1.16.0 (upstream)
* Kubernetes v1.17.3 (upstream)
* Single or multi-master, [Calico](https://www.projectcalico.org/) or [flannel](https://github.com/coreos/flannel) networking
* On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled, [network policy](https://kubernetes.io/docs/concepts/services-networking/network-policies/)
* Advanced features like [snippets](https://typhoon.psdn.io/advanced/customization/#container-linux) customization

View File

@ -1,10 +1,10 @@
# Kubernetes assets (kubeconfig, manifests)
module "bootstrap" {
source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=539b725093c8cd94ba46603adb25ac5280562ec8"
source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=796194583426593d1a62b6f1bf3f7ffed8fca140"
cluster_name = var.cluster_name
api_servers = [var.k8s_domain_name]
etcd_servers = var.controller_domains
etcd_servers = var.controllers.*.domain
asset_dir = var.asset_dir
networking = var.networking
network_mtu = var.network_mtu

View File

@ -28,7 +28,7 @@ systemd:
--network host \
--volume /var/lib/etcd:/var/lib/etcd:rw,Z \
--volume /etc/ssl/etcd:/etc/ssl/certs:ro,Z \
quay.io/coreos/etcd:v3.4.0
quay.io/coreos/etcd:v3.4.3
ExecStop=/usr/bin/podman stop etcd
[Install]
WantedBy=multi-user.target
@ -76,12 +76,11 @@ systemd:
--volume /var/lib/docker:/var/lib/docker \
--volume /var/lib/kubelet:/var/lib/kubelet:rshared,z \
--volume /var/log:/var/log \
--volume /var/run:/var/run \
--volume /var/run/lock:/var/run/lock:z \
--volume /opt/cni/bin:/opt/cni/bin:z \
--volume /etc/iscsi:/etc/iscsi \
--volume /sbin/iscsiadm:/sbin/iscsiadm \
k8s.gcr.io/hyperkube:v1.16.0 /hyperkube kubelet \
k8s.gcr.io/hyperkube:v1.17.3 kubelet \
--anonymous-auth=false \
--authentication-token-webhook \
--authorization-mode=Webhook \
@ -93,6 +92,7 @@ systemd:
--cluster_domain=${cluster_domain_suffix} \
--cni-conf-dir=/etc/kubernetes/cni/net.d \
--exit-on-lock-contention \
--healthz-port=0 \
--hostname-override=${domain_name} \
--kubeconfig=/etc/kubernetes/kubeconfig \
--lock-file=/var/run/lock/kubelet.lock \
@ -130,10 +130,11 @@ systemd:
ExecStartPre=-/usr/bin/bash -c 'set -x && [ -n "$(ls /opt/bootstrap/assets/manifests-*/* 2>/dev/null)" ] && mv /opt/bootstrap/assets/manifests-*/* /opt/bootstrap/assets/manifests && rm -rf /opt/bootstrap/assets/manifests-*'
ExecStart=/usr/bin/podman run --name bootstrap \
--network host \
--volume /etc/kubernetes/bootstrap-secrets:/etc/kubernetes/secrets:ro,Z \
--volume /opt/bootstrap/assets:/assets:ro,Z \
--volume /opt/bootstrap/apply:/apply:ro,Z \
k8s.gcr.io/hyperkube:v1.16.0 \
/apply
--entrypoint=/apply \
k8s.gcr.io/hyperkube:v1.17.3
ExecStartPost=/bin/touch /opt/bootstrap/bootstrap.done
ExecStartPost=-/usr/bin/podman stop bootstrap
storage:
@ -146,12 +147,33 @@ storage:
contents:
inline:
${domain_name}
- path: /opt/bootstrap/layout
mode: 0544
contents:
inline: |
#!/bin/bash -e
mkdir -p -- auth tls/etcd tls/k8s static-manifests manifests/coredns manifests-networking
awk '/#####/ {filename=$2; next} {print > filename}' assets
mkdir -p /etc/ssl/etcd/etcd
mkdir -p /etc/kubernetes/bootstrap-secrets
mv tls/etcd/{peer*,server*} /etc/ssl/etcd/etcd/
mv tls/etcd/etcd-client* /etc/kubernetes/bootstrap-secrets/
chown -R etcd:etcd /etc/ssl/etcd
chmod -R 500 /etc/ssl/etcd
mv auth/kubeconfig /etc/kubernetes/bootstrap-secrets/
mv tls/k8s/* /etc/kubernetes/bootstrap-secrets/
sudo mkdir -p /etc/kubernetes/manifests
sudo mv static-manifests/* /etc/kubernetes/manifests/
sudo mkdir -p /opt/bootstrap/assets
sudo mv manifests /opt/bootstrap/assets/manifests
sudo mv manifests-networking /opt/bootstrap/assets/manifests-networking
rm -rf assets auth static-manifests tls
- path: /opt/bootstrap/apply
mode: 0544
contents:
inline: |
#!/bin/bash -e
export KUBECONFIG=/assets/auth/kubeconfig
export KUBECONFIG=/etc/kubernetes/secrets/kubeconfig
until kubectl version; do
echo "Waiting for static pod control plane"
sleep 5
@ -160,10 +182,6 @@ storage:
echo "Retry applying manifests"
sleep 5
done
- path: /etc/sysctl.d/reverse-path-filter.conf
contents:
inline: |
net.ipv4.conf.all.rp_filter=1
- path: /etc/sysctl.d/max-user-watches.conf
contents:
inline: |
@ -175,6 +193,19 @@ storage:
DefaultCPUAccounting=yes
DefaultMemoryAccounting=yes
DefaultBlockIOAccounting=yes
- path: /etc/sysconfig/docker
mode: 0644
overwrite: true
contents:
inline: |
# Modify these options if you want to change the way the docker daemon runs
OPTIONS="--selinux-enabled \
--log-driver=json-file \
--live-restore \
--default-ulimit nofile=1024:1024 \
--init-path /usr/libexec/docker/docker-init \
--userland-proxy-path /usr/libexec/docker/docker-proxy \
"
- path: /etc/etcd/etcd.env
mode: 0644
contents:

View File

@ -46,12 +46,11 @@ systemd:
--volume /var/lib/docker:/var/lib/docker \
--volume /var/lib/kubelet:/var/lib/kubelet:rshared,z \
--volume /var/log:/var/log \
--volume /var/run:/var/run \
--volume /var/run/lock:/var/run/lock:z \
--volume /opt/cni/bin:/opt/cni/bin:z \
--volume /etc/iscsi:/etc/iscsi \
--volume /sbin/iscsiadm:/sbin/iscsiadm \
k8s.gcr.io/hyperkube:v1.16.0 /hyperkube kubelet \
k8s.gcr.io/hyperkube:v1.17.3 kubelet \
--anonymous-auth=false \
--authentication-token-webhook \
--authorization-mode=Webhook \
@ -63,6 +62,7 @@ systemd:
--cluster_domain=${cluster_domain_suffix} \
--cni-conf-dir=/etc/kubernetes/cni/net.d \
--exit-on-lock-contention \
--healthz-port=0 \
--hostname-override=${domain_name} \
--kubeconfig=/etc/kubernetes/kubeconfig \
--lock-file=/var/run/lock/kubelet.lock \
@ -95,10 +95,6 @@ storage:
contents:
inline:
${domain_name}
- path: /etc/sysctl.d/reverse-path-filter.conf
contents:
inline: |
net.ipv4.conf.all.rp_filter=1
- path: /etc/sysctl.d/max-user-watches.conf
contents:
inline: |
@ -110,6 +106,19 @@ storage:
DefaultCPUAccounting=yes
DefaultMemoryAccounting=yes
DefaultBlockIOAccounting=yes
- path: /etc/sysconfig/docker
mode: 0644
overwrite: true
contents:
inline: |
# Modify these options if you want to change the way the docker daemon runs
OPTIONS="--selinux-enabled \
--log-driver=json-file \
--live-restore \
--default-ulimit nofile=1024:1024 \
--init-path /usr/libexec/docker/docker-init \
--userland-proxy-path /usr/libexec/docker/docker-proxy \
"
passwd:
users:
- name: core

View File

@ -1,22 +1,22 @@
# Match each controller or worker to a profile
resource "matchbox_group" "controller" {
count = length(var.controller_names)
name = format("%s-%s", var.cluster_name, var.controller_names[count.index])
count = length(var.controllers)
name = format("%s-%s", var.cluster_name, var.controllers.*.name[count.index])
profile = matchbox_profile.controllers.*.name[count.index]
selector = {
mac = var.controller_macs[count.index]
mac = var.controllers.*.mac[count.index]
}
}
resource "matchbox_group" "worker" {
count = length(var.worker_names)
name = format("%s-%s", var.cluster_name, var.worker_names[count.index])
count = length(var.workers)
name = format("%s-%s", var.cluster_name, var.workers.*.name[count.index])
profile = matchbox_profile.workers.*.name[count.index]
selector = {
mac = var.worker_macs[count.index]
mac = var.workers.*.mac[count.index]
}
}

View File

@ -1,36 +1,40 @@
locals {
remote_kernel = "https://builds.coreos.fedoraproject.org/prod/streams/${var.os_stream}/builds/${var.os_version}/x86_64/fedora-coreos-${var.os_version}-installer-kernel"
remote_initrd = "https://builds.coreos.fedoraproject.org/prod/streams/${var.os_stream}/builds/${var.os_version}/x86_64/fedora-coreos-${var.os_version}-installer-initramfs.img"
remote_kernel = "https://builds.coreos.fedoraproject.org/prod/streams/${var.os_stream}/builds/${var.os_version}/x86_64/fedora-coreos-${var.os_version}-live-kernel-x86_64"
remote_initrd = "https://builds.coreos.fedoraproject.org/prod/streams/${var.os_stream}/builds/${var.os_version}/x86_64/fedora-coreos-${var.os_version}-live-initramfs.x86_64.img"
remote_args = [
"ip=dhcp",
"rd.neednet=1",
"coreos.inst=yes",
"coreos.inst.image_url=https://builds.coreos.fedoraproject.org/prod/streams/${var.os_stream}/builds/${var.os_version}/x86_64/fedora-coreos-${var.os_version}-metal.raw.xz",
"initrd=fedora-coreos-${var.os_version}-live-initramfs.x86_64.img",
"coreos.inst.image_url=https://builds.coreos.fedoraproject.org/prod/streams/${var.os_stream}/builds/${var.os_version}/x86_64/fedora-coreos-${var.os_version}-metal.x86_64.raw.xz",
"coreos.inst.ignition_url=${var.matchbox_http_endpoint}/ignition?uuid=$${uuid}&mac=$${mac:hexhyp}",
"coreos.inst.install_dev=${var.install_disk}"
"coreos.inst.install_dev=${var.install_disk}",
"console=tty0",
"console=ttyS0",
]
cached_kernel = "/assets/fedora-coreos/fedora-coreos-${var.os_version}-installer-kernel"
cached_initrd = "/assets/fedora-coreos/fedora-coreos-${var.os_version}-installer-initramfs.img"
cached_kernel = "/assets/fedora-coreos/fedora-coreos-${var.os_version}-live-kernel-x86_64"
cached_initrd = "/assets/fedora-coreos/fedora-coreos-${var.os_version}-live-initramfs.x86_64.img"
cached_args = [
"ip=dhcp",
"rd.neednet=1",
"coreos.inst=yes",
"coreos.inst.image_url=${var.matchbox_http_endpoint}/assets/fedora-coreos/fedora-coreos-${var.os_version}-metal.raw.xz",
"initrd=fedora-coreos-${var.os_version}-live-initramfs.x86_64.img",
"coreos.inst.image_url=${var.matchbox_http_endpoint}/assets/fedora-coreos/fedora-coreos-${var.os_version}-metal.x86_64.raw.xz",
"coreos.inst.ignition_url=${var.matchbox_http_endpoint}/ignition?uuid=$${uuid}&mac=$${mac:hexhyp}",
"coreos.inst.install_dev=${var.install_disk}"
"coreos.inst.install_dev=${var.install_disk}",
"console=tty0",
"console=ttyS0",
]
kernel = var.cached_install == "true" ? local.cached_kernel : local.remote_kernel
initrd = var.cached_install == "true" ? local.cached_initrd : local.remote_initrd
args = var.cached_install == "true" ? local.cached_args : local.remote_args
kernel = var.cached_install ? local.cached_kernel : local.remote_kernel
initrd = var.cached_install ? local.cached_initrd : local.remote_initrd
args = var.cached_install ? local.cached_args : local.remote_args
}
// Fedora CoreOS controller profile
resource "matchbox_profile" "controllers" {
count = length(var.controller_names)
name = format("%s-controller-%s", var.cluster_name, var.controller_names[count.index])
count = length(var.controllers)
name = format("%s-controller-%s", var.cluster_name, var.controllers.*.name[count.index])
kernel = local.kernel
initrd = [
@ -42,20 +46,20 @@ resource "matchbox_profile" "controllers" {
}
data "ct_config" "controller-ignitions" {
count = length(var.controller_names)
count = length(var.controllers)
content = data.template_file.controller-configs.*.rendered[count.index]
strict = true
}
data "template_file" "controller-configs" {
count = length(var.controller_names)
count = length(var.controllers)
template = file("${path.module}/fcc/controller.yaml")
vars = {
domain_name = var.controller_domains[count.index]
etcd_name = var.controller_names[count.index]
etcd_initial_cluster = join(",", formatlist("%s=https://%s:2380", var.controller_names, var.controller_domains))
domain_name = var.controllers.*.domain[count.index]
etcd_name = var.controllers.*.name[count.index]
etcd_initial_cluster = join(",", formatlist("%s=https://%s:2380", var.controllers.*.name, var.controllers.*.domain))
cluster_dns_service_ip = module.bootstrap.cluster_dns_service_ip
cluster_domain_suffix = var.cluster_domain_suffix
ssh_authorized_key = var.ssh_authorized_key
@ -64,8 +68,8 @@ data "template_file" "controller-configs" {
// Fedora CoreOS worker profile
resource "matchbox_profile" "workers" {
count = length(var.worker_names)
name = format("%s-worker-%s", var.cluster_name, var.worker_names[count.index])
count = length(var.workers)
name = format("%s-worker-%s", var.cluster_name, var.workers.*.name[count.index])
kernel = local.kernel
initrd = [
@ -77,18 +81,18 @@ resource "matchbox_profile" "workers" {
}
data "ct_config" "worker-ignitions" {
count = length(var.worker_names)
count = length(var.workers)
content = data.template_file.worker-configs.*.rendered[count.index]
strict = true
}
data "template_file" "worker-configs" {
count = length(var.worker_names)
count = length(var.workers)
template = file("${path.module}/fcc/worker.yaml")
vars = {
domain_name = var.worker_domains[count.index]
domain_name = var.workers.*.domain[count.index]
cluster_dns_service_ip = module.bootstrap.cluster_dns_service_ip
cluster_domain_suffix = var.cluster_domain_suffix
ssh_authorized_key = var.ssh_authorized_key

View File

@ -1,6 +1,15 @@
locals {
# format assets for distribution
assets_bundle = [
# header with the unpack location
for key, value in module.bootstrap.assets_dist :
format("##### %s\n%s", key, value)
]
}
# Secure copy assets to controllers. Activates kubelet.service
resource "null_resource" "copy-controller-secrets" {
count = length(var.controller_names)
count = length(var.controllers)
# Without depends_on, remote-exec could start and wait for machines before
# matchbox groups are written, causing a deadlock.
@ -12,7 +21,7 @@ resource "null_resource" "copy-controller-secrets" {
connection {
type = "ssh"
host = var.controller_domains[count.index]
host = var.controllers.*.domain[count.index]
user = "core"
timeout = "60m"
}
@ -23,69 +32,21 @@ resource "null_resource" "copy-controller-secrets" {
}
provisioner "file" {
content = module.bootstrap.etcd_ca_cert
destination = "$HOME/etcd-client-ca.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_client_cert
destination = "$HOME/etcd-client.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_client_key
destination = "$HOME/etcd-client.key"
}
provisioner "file" {
content = module.bootstrap.etcd_server_cert
destination = "$HOME/etcd-server.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_server_key
destination = "$HOME/etcd-server.key"
}
provisioner "file" {
content = module.bootstrap.etcd_peer_cert
destination = "$HOME/etcd-peer.crt"
}
provisioner "file" {
content = module.bootstrap.etcd_peer_key
destination = "$HOME/etcd-peer.key"
}
provisioner "file" {
source = var.asset_dir
content = join("\n", local.assets_bundle)
destination = "$HOME/assets"
}
provisioner "remote-exec" {
inline = [
"sudo mkdir -p /etc/ssl/etcd/etcd",
"sudo mv etcd-client* /etc/ssl/etcd/",
"sudo cp /etc/ssl/etcd/etcd-client-ca.crt /etc/ssl/etcd/etcd/server-ca.crt",
"sudo mv etcd-server.crt /etc/ssl/etcd/etcd/server.crt",
"sudo mv etcd-server.key /etc/ssl/etcd/etcd/server.key",
"sudo cp /etc/ssl/etcd/etcd-client-ca.crt /etc/ssl/etcd/etcd/peer-ca.crt",
"sudo mv etcd-peer.crt /etc/ssl/etcd/etcd/peer.crt",
"sudo mv etcd-peer.key /etc/ssl/etcd/etcd/peer.key",
"sudo mv $HOME/assets /opt/bootstrap/assets",
"sudo mkdir -p /etc/kubernetes/manifests"
"sudo mkdir -p /etc/kubernetes/bootstrap-secrets",
"sudo mv $HOME/kubeconfig /etc/kubernetes/kubeconfig",
"sudo cp -r /opt/bootstrap/assets/tls/* /etc/kubernetes/bootstrap-secrets/",
"sudo cp /opt/bootstrap/assets/auth/kubeconfig /etc/kubernetes/bootstrap-secrets/",
"sudo cp -r /opt/bootstrap/assets/static-manifests/* /etc/kubernetes/manifests/"
"sudo /opt/bootstrap/layout",
]
}
}
# Secure copy kubeconfig to all workers. Activates kubelet.service
resource "null_resource" "copy-worker-secrets" {
count = length(var.worker_names)
count = length(var.workers)
# Without depends_on, remote-exec could start and wait for machines before
# matchbox groups are written, causing a deadlock.
@ -96,7 +57,7 @@ resource "null_resource" "copy-worker-secrets" {
connection {
type = "ssh"
host = var.worker_domains[count.index]
host = var.workers.*.domain[count.index]
user = "core"
timeout = "60m"
}
@ -125,7 +86,7 @@ resource "null_resource" "bootstrap" {
connection {
type = "ssh"
host = var.controller_domains[0]
host = var.controllers[0].domain
user = "core"
timeout = "15m"
}

View File

@ -22,36 +22,32 @@ variable "os_version" {
}
# machines
# Terraform's crude "type system" does not properly support lists of maps so we do this.
variable "controller_names" {
type = list(string)
description = "Ordered list of controller names (e.g. [node1])"
variable "controllers" {
type = list(object({
name = string
mac = string
domain = string
}))
description = <<EOD
List of controller machine details (unique name, identifying MAC address, FQDN)
[{ name = "node1", mac = "52:54:00:a1:9c:ae", domain = "node1.example.com"}]
EOD
}
variable "controller_macs" {
type = list(string)
description = "Ordered list of controller identifying MAC addresses (e.g. [52:54:00:a1:9c:ae])"
}
variable "controller_domains" {
type = list(string)
description = "Ordered list of controller FQDNs (e.g. [node1.example.com])"
}
variable "worker_names" {
type = list(string)
description = "Ordered list of worker names (e.g. [node2, node3])"
}
variable "worker_macs" {
type = list(string)
description = "Ordered list of worker identifying MAC addresses (e.g. [52:54:00:b2:2f:86, 52:54:00:c3:61:77])"
}
variable "worker_domains" {
type = list(string)
description = "Ordered list of worker FQDNs (e.g. [node2.example.com, node3.example.com])"
variable "workers" {
type = list(object({
name = string
mac = string
domain = string
}))
description = <<EOD
List of worker machine details (unique name, identifying MAC address, FQDN)
[
{ name = "node2", mac = "52:54:00:b2:2f:86", domain = "node2.example.com"},
{ name = "node3", mac = "52:54:00:c3:61:77", domain = "node3.example.com"}
]
EOD
}
variable "snippets" {
@ -63,8 +59,8 @@ variable "snippets" {
# configuration
variable "k8s_domain_name" {
description = "Controller DNS name which resolves to a controller instance. Workers and kubeconfig's will communicate with this endpoint (e.g. cluster.example.com)"
type = string
description = "Controller DNS name which resolves to a controller instance. Workers and kubeconfig's will communicate with this endpoint (e.g. cluster.example.com)"
}
variable "ssh_authorized_key" {
@ -73,80 +69,81 @@ variable "ssh_authorized_key" {
}
variable "asset_dir" {
description = "Path to a directory where generated assets should be placed (contains secrets)"
type = string
description = "Absolute path to a directory where generated assets should be placed (contains secrets)"
default = ""
}
variable "networking" {
description = "Choice of networking provider (flannel or calico)"
type = string
description = "Choice of networking provider (flannel or calico)"
default = "calico"
}
variable "network_mtu" {
type = number
description = "CNI interface MTU (applies to calico only)"
type = string
default = "1480"
default = 1480
}
variable "network_ip_autodetection_method" {
description = "Method to autodetect the host IPv4 address (applies to calico only)"
type = string
description = "Method to autodetect the host IPv4 address (applies to calico only)"
default = "first-found"
}
variable "pod_cidr" {
description = "CIDR IPv4 range to assign Kubernetes pods"
type = string
description = "CIDR IPv4 range to assign Kubernetes pods"
default = "10.2.0.0/16"
}
variable "service_cidr" {
type = string
description = <<EOD
CIDR IPv4 range to assign Kubernetes services.
The 1st IP will be reserved for kube_apiserver, the 10th IP will be reserved for coredns.
EOD
type = string
default = "10.3.0.0/16"
default = "10.3.0.0/16"
}
# optional
variable "cluster_domain_suffix" {
description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
type = string
default = "cluster.local"
}
variable "cached_install" {
type = string
default = "false"
type = bool
description = "Whether Fedora CoreOS should PXE boot and install from matchbox /assets cache. Note that the admin must have downloaded the os_version into matchbox assets."
default = false
}
variable "install_disk" {
type = string
default = "sda"
type = string
description = "Disk device to install Fedora CoreOS (e.g. sda)"
default = "sda"
}
variable "kernel_args" {
type = list(string)
description = "Additional kernel arguments to provide at PXE boot."
type = list(string)
default = []
default = []
}
variable "enable_reporting" {
type = string
type = bool
description = "Enable usage or analytics reporting to upstreams (Calico)"
default = "false"
default = false
}
variable "enable_aggregation" {
type = bool
description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
type = string
default = "false"
default = false
}
# unofficial, undocumented, unsupported
variable "cluster_domain_suffix" {
description = "Queries for domains with the suffix will be answered by coredns. Default is cluster.local (e.g. foo.default.svc.cluster.local) "
type = string
default = "cluster.local"
}

View File

@ -1,7 +1,7 @@
# Terraform version and plugin versions
terraform {
required_version = "~> 0.12.0"
required_version = "~> 0.12.6"
required_providers {
matchbox = "~> 0.3.0"
ct = "~> 0.4"

View File

@ -11,7 +11,7 @@ Typhoon distributes upstream Kubernetes, architectural conventions, and cluster
## Features <a href="https://www.cncf.io/certification/software-conformance/"><img align="right" src="https://storage.googleapis.com/poseidon/certified-kubernetes.png"></a>
* Kubernetes v1.16.0 (upstream)
* Kubernetes v1.17.3 (upstream)
* Single or multi-master, [Calico](https://www.projectcalico.org/) or [flannel](https://github.com/coreos/flannel) networking
* On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled, [network policy](https://kubernetes.io/docs/concepts/services-networking/network-policies/)
* Advanced features like [snippets](https://typhoon.psdn.io/advanced/customization/#container-linux) customization

View File

@ -1,6 +1,6 @@
# Kubernetes assets (kubeconfig, manifests)
module "bootstrap" {
source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=539b725093c8cd94ba46603adb25ac5280562ec8"
source = "git::https://github.com/poseidon/terraform-render-bootstrap.git?ref=796194583426593d1a62b6f1bf3f7ffed8fca140"
cluster_name = var.cluster_name
api_servers = [format("%s.%s", var.cluster_name, var.dns_zone)]

View File

@ -7,7 +7,7 @@ systemd:
- name: 40-etcd-cluster.conf
contents: |
[Service]
Environment="ETCD_IMAGE_TAG=v3.4.0"
Environment="ETCD_IMAGE_TAG=v3.4.3"
Environment="ETCD_NAME=${etcd_name}"
Environment="ETCD_ADVERTISE_CLIENT_URLS=https://${etcd_domain}:2379"
Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=https://${etcd_domain}:2380"
@ -60,29 +60,47 @@ systemd:
After=coreos-metadata.service
Wants=rpc-statd.service
[Service]
EnvironmentFile=/etc/kubernetes/kubelet.env
EnvironmentFile=/run/metadata/coreos
Environment="RKT_RUN_ARGS=--uuid-file-save=/var/cache/kubelet-pod.uuid \
--volume=resolv,kind=host,source=/etc/resolv.conf \
--mount volume=resolv,target=/etc/resolv.conf \
--volume var-lib-cni,kind=host,source=/var/lib/cni \
--mount volume=var-lib-cni,target=/var/lib/cni \
--volume var-lib-calico,kind=host,source=/var/lib/calico \
--mount volume=var-lib-calico,target=/var/lib/calico \
--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
--mount volume=opt-cni-bin,target=/opt/cni/bin \
--volume var-log,kind=host,source=/var/log \
--mount volume=var-log,target=/var/log \
--insecure-options=image"
ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d
ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
ExecStartPre=/bin/mkdir -p /opt/cni/bin
ExecStartPre=/bin/mkdir -p /var/lib/cni
ExecStartPre=/bin/mkdir -p /var/lib/calico
ExecStartPre=/bin/mkdir -p /var/lib/kubelet/volumeplugins
ExecStartPre=/usr/bin/bash -c "grep 'certificate-authority-data' /etc/kubernetes/kubeconfig | awk '{print $2}' | base64 -d > /etc/kubernetes/ca.crt"
ExecStartPre=-/usr/bin/rkt rm --uuid-file=/var/cache/kubelet-pod.uuid
ExecStart=/usr/lib/coreos/kubelet-wrapper \
ExecStart=/usr/bin/rkt run \
--uuid-file-save=/var/cache/kubelet-pod.uuid \
--stage1-from-dir=stage1-fly.aci \
--hosts-entry host \
--insecure-options=image \
--volume etc-kubernetes,kind=host,source=/etc/kubernetes,readOnly=true \
--mount volume=etc-kubernetes,target=/etc/kubernetes \
--volume etc-machine-id,kind=host,source=/etc/machine-id,readOnly=true \
--mount volume=etc-machine-id,target=/etc/machine-id \
--volume etc-os-release,kind=host,source=/usr/lib/os-release,readOnly=true \
--mount volume=etc-os-release,target=/etc/os-release \
--volume=etc-resolv,kind=host,source=/etc/resolv.conf,readOnly=true \
--mount volume=etc-resolv,target=/etc/resolv.conf \
--volume etc-ssl-certs,kind=host,source=/etc/ssl/certs,readOnly=true \
--mount volume=etc-ssl-certs,target=/etc/ssl/certs \
--volume lib-modules,kind=host,source=/lib/modules,readOnly=true \
--mount volume=lib-modules,target=/lib/modules \
--volume run,kind=host,source=/run \
--mount volume=run,target=/run \
--volume usr-share-certs,kind=host,source=/usr/share/ca-certificates,readOnly=true \
--mount volume=usr-share-certs,target=/usr/share/ca-certificates \
--volume var-lib-calico,kind=host,source=/var/lib/calico \
--mount volume=var-lib-calico,target=/var/lib/calico \
--volume var-lib-docker,kind=host,source=/var/lib/docker \
--mount volume=var-lib-docker,target=/var/lib/docker \
--volume var-lib-kubelet,kind=host,source=/var/lib/kubelet,recursive=true \
--mount volume=var-lib-kubelet,target=/var/lib/kubelet \
--volume var-log,kind=host,source=/var/log \
--mount volume=var-log,target=/var/log \
--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
--mount volume=opt-cni-bin,target=/opt/cni/bin \
docker://k8s.gcr.io/hyperkube:v1.17.3 \
--exec=/usr/local/bin/kubelet -- \
--anonymous-auth=false \
--authentication-token-webhook \
--authorization-mode=Webhook \
@ -91,6 +109,7 @@ systemd:
--cluster_domain=${cluster_domain_suffix} \
--cni-conf-dir=/etc/kubernetes/cni/net.d \
--exit-on-lock-contention \
--healthz-port=0 \
--hostname-override=$${COREOS_DIGITALOCEAN_IPV4_PRIVATE_0} \
--kubeconfig=/etc/kubernetes/kubeconfig \
--lock-file=/var/run/lock/kubelet.lock \
@ -118,12 +137,14 @@ systemd:
ExecStartPre=-/usr/bin/bash -c 'set -x && [ -n "$(ls /opt/bootstrap/assets/manifests-*/* 2>/dev/null)" ] && mv /opt/bootstrap/assets/manifests-*/* /opt/bootstrap/assets/manifests && rm -rf /opt/bootstrap/assets/manifests-*'
ExecStart=/usr/bin/rkt run \
--trust-keys-from-https \
--volume config,kind=host,source=/etc/kubernetes/bootstrap-secrets \
--mount volume=config,target=/etc/kubernetes/secrets \
--volume assets,kind=host,source=/opt/bootstrap/assets \
--mount volume=assets,target=/assets \
--volume script,kind=host,source=/opt/bootstrap/apply \
--mount volume=script,target=/apply \
--insecure-options=image \
docker://k8s.gcr.io/hyperkube:v1.16.0 \
docker://k8s.gcr.io/hyperkube:v1.17.3 \
--net=host \
--dns=host \
--exec=/apply
@ -131,21 +152,39 @@ systemd:
[Install]
WantedBy=multi-user.target
storage:
files:
- path: /etc/kubernetes/kubelet.env
directories:
- path: /etc/kubernetes
filesystem: root
mode: 0644
files:
- path: /opt/bootstrap/layout
filesystem: root
mode: 0544
contents:
inline: |
KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube
KUBELET_IMAGE_TAG=v1.16.0
#!/bin/bash -e
mkdir -p -- auth tls/etcd tls/k8s static-manifests manifests/coredns manifests-networking
awk '/#####/ {filename=$2; next} {print > filename}' assets
mkdir -p /etc/ssl/etcd/etcd
mkdir -p /etc/kubernetes/bootstrap-secrets
mv tls/etcd/{peer*,server*} /etc/ssl/etcd/etcd/
mv tls/etcd/etcd-client* /etc/kubernetes/bootstrap-secrets/
chown -R etcd:etcd /etc/ssl/etcd
chmod -R 500 /etc/ssl/etcd
mv auth/kubeconfig /etc/kubernetes/bootstrap-secrets/
mv tls/k8s/* /etc/kubernetes/bootstrap-secrets/
sudo mkdir -p /etc/kubernetes/manifests
sudo mv static-manifests/* /etc/kubernetes/manifests/
sudo mkdir -p /opt/bootstrap/assets
sudo mv manifests /opt/bootstrap/assets/manifests
sudo mv manifests-networking /opt/bootstrap/assets/manifests-networking
rm -rf assets auth static-manifests tls
- path: /opt/bootstrap/apply
filesystem: root
mode: 0544
contents:
inline: |
#!/bin/bash -e
export KUBECONFIG=/assets/auth/kubeconfig
export KUBECONFIG=/etc/kubernetes/secrets/kubeconfig
until kubectl version; do
echo "Waiting for static pod control plane"
sleep 5

View File

@ -35,29 +35,47 @@ systemd:
After=coreos-metadata.service
Wants=rpc-statd.service
[Service]
EnvironmentFile=/etc/kubernetes/kubelet.env
EnvironmentFile=/run/metadata/coreos
Environment="RKT_RUN_ARGS=--uuid-file-save=/var/cache/kubelet-pod.uuid \
--volume=resolv,kind=host,source=/etc/resolv.conf \
--mount volume=resolv,target=/etc/resolv.conf \
--volume var-lib-cni,kind=host,source=/var/lib/cni \
--mount volume=var-lib-cni,target=/var/lib/cni \
--volume var-lib-calico,kind=host,source=/var/lib/calico \
--mount volume=var-lib-calico,target=/var/lib/calico \
--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
--mount volume=opt-cni-bin,target=/opt/cni/bin \
--volume var-log,kind=host,source=/var/log \
--mount volume=var-log,target=/var/log \
--insecure-options=image"
ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d
ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
ExecStartPre=/bin/mkdir -p /opt/cni/bin
ExecStartPre=/bin/mkdir -p /var/lib/cni
ExecStartPre=/bin/mkdir -p /var/lib/calico
ExecStartPre=/bin/mkdir -p /var/lib/kubelet/volumeplugins
ExecStartPre=/usr/bin/bash -c "grep 'certificate-authority-data' /etc/kubernetes/kubeconfig | awk '{print $2}' | base64 -d > /etc/kubernetes/ca.crt"
ExecStartPre=-/usr/bin/rkt rm --uuid-file=/var/cache/kubelet-pod.uuid
ExecStart=/usr/lib/coreos/kubelet-wrapper \
ExecStart=/usr/bin/rkt run \
--uuid-file-save=/var/cache/kubelet-pod.uuid \
--stage1-from-dir=stage1-fly.aci \
--hosts-entry host \
--insecure-options=image \
--volume etc-kubernetes,kind=host,source=/etc/kubernetes,readOnly=true \
--mount volume=etc-kubernetes,target=/etc/kubernetes \
--volume etc-machine-id,kind=host,source=/etc/machine-id,readOnly=true \
--mount volume=etc-machine-id,target=/etc/machine-id \
--volume etc-os-release,kind=host,source=/usr/lib/os-release,readOnly=true \
--mount volume=etc-os-release,target=/etc/os-release \
--volume=etc-resolv,kind=host,source=/etc/resolv.conf,readOnly=true \
--mount volume=etc-resolv,target=/etc/resolv.conf \
--volume etc-ssl-certs,kind=host,source=/etc/ssl/certs,readOnly=true \
--mount volume=etc-ssl-certs,target=/etc/ssl/certs \
--volume lib-modules,kind=host,source=/lib/modules,readOnly=true \
--mount volume=lib-modules,target=/lib/modules \
--volume run,kind=host,source=/run \
--mount volume=run,target=/run \
--volume usr-share-certs,kind=host,source=/usr/share/ca-certificates,readOnly=true \
--mount volume=usr-share-certs,target=/usr/share/ca-certificates \
--volume var-lib-calico,kind=host,source=/var/lib/calico \
--mount volume=var-lib-calico,target=/var/lib/calico \
--volume var-lib-docker,kind=host,source=/var/lib/docker \
--mount volume=var-lib-docker,target=/var/lib/docker \
--volume var-lib-kubelet,kind=host,source=/var/lib/kubelet,recursive=true \
--mount volume=var-lib-kubelet,target=/var/lib/kubelet \
--volume var-log,kind=host,source=/var/log \
--mount volume=var-log,target=/var/log \
--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
--mount volume=opt-cni-bin,target=/opt/cni/bin \
docker://k8s.gcr.io/hyperkube:v1.17.3 \
--exec=/usr/local/bin/kubelet -- \
--anonymous-auth=false \
--authentication-token-webhook \
--authorization-mode=Webhook \
@ -66,6 +84,7 @@ systemd:
--cluster_domain=${cluster_domain_suffix} \
--cni-conf-dir=/etc/kubernetes/cni/net.d \
--exit-on-lock-contention \
--healthz-port=0 \
--hostname-override=$${COREOS_DIGITALOCEAN_IPV4_PRIVATE_0} \
--kubeconfig=/etc/kubernetes/kubeconfig \
--lock-file=/var/run/lock/kubelet.lock \
@ -92,14 +111,10 @@ systemd:
[Install]
WantedBy=multi-user.target
storage:
files:
- path: /etc/kubernetes/kubelet.env
directories:
- path: /etc/kubernetes
filesystem: root
mode: 0644
contents:
inline: |
KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube
KUBELET_IMAGE_TAG=v1.16.0
files:
- path: /etc/sysctl.d/max-user-watches.conf
filesystem: root
contents:
@ -117,7 +132,8 @@ storage:
--volume config,kind=host,source=/etc/kubernetes \
--mount volume=config,target=/etc/kubernetes \
--insecure-options=image \
docker://k8s.gcr.io/hyperkube:v1.16.0 \
docker://k8s.gcr.io/hyperkube:v1.17.3 \
--net=host \
--dns=host \
--exec=/kubectl -- --kubeconfig=/etc/kubernetes/kubeconfig delete node $(hostname)
-- \
kubectl -- --kubeconfig=/etc/kubernetes/kubeconfig delete node $(hostname)

View File

@ -11,7 +11,7 @@ resource "digitalocean_record" "controllers" {
ttl = 300
# IPv4 addresses of controllers
value = element(digitalocean_droplet.controllers.*.ipv4_address, count.index)
value = digitalocean_droplet.controllers.*.ipv4_address[count.index]
}
# Discrete DNS records for each controller's private IPv4 for etcd usage
@ -27,7 +27,7 @@ resource "digitalocean_record" "etcds" {
ttl = 300
# private IPv4 address for etcd
value = element(digitalocean_droplet.controllers.*.ipv4_address_private, count.index)
value = digitalocean_droplet.controllers.*.ipv4_address_private[count.index]
}
# Controller droplet instances
@ -44,7 +44,7 @@ resource "digitalocean_droplet" "controllers" {
ipv6 = true
private_networking = true
user_data = element(data.ct_config.controller-ignitions.*.rendered, count.index)
user_data = data.ct_config.controller-ignitions.*.rendered[count.index]
ssh_keys = var.ssh_fingerprints
tags = [
@ -64,7 +64,7 @@ resource "digitalocean_tag" "controllers" {
# Controller Ignition configs
data "ct_config" "controller-ignitions" {
count = var.controller_count
content = element(data.template_file.controller-configs.*.rendered, count.index)
content = data.template_file.controller-configs.*.rendered[count.index]
pretty_print = false
snippets = var.controller_clc_snippets
}
@ -73,7 +73,7 @@ data "ct_config" "controller-ignitions" {
data "template_file" "controller-configs" {
count = var.controller_count
template = file("${path.module}/cl/controller.yaml.tmpl")
template = file("${path.module}/cl/controller.yaml")
vars = {
# Cannot use cyclic dependencies on controllers or their DNS records

View File

@ -16,12 +16,20 @@ resource "digitalocean_firewall" "rules" {
source_tags = [digitalocean_tag.controllers.name, digitalocean_tag.workers.name]
}
# Allow Prometheus to scrape node-exporter
inbound_rule {
protocol = "tcp"
port_range = "9100"
source_tags = [digitalocean_tag.workers.name]
}
# Allow Prometheus to scrape kube-proxy
inbound_rule {
protocol = "tcp"
port_range = "10249"
source_tags = [digitalocean_tag.workers.name]
}
inbound_rule {
protocol = "tcp"
port_range = "10250"
@ -73,7 +81,7 @@ resource "digitalocean_firewall" "controllers" {
port_range = "6443"
source_addresses = ["0.0.0.0/0", "::/0"]
}
# kube-scheduler metrics, kube-controller-manager metrics
inbound_rule {
protocol = "tcp"

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