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91 Commits

Author SHA1 Message Date
bef9b991b7 Bump Terraform provider versions in docs
* Bump Terraform provider versions to reflect the versions
used by the maintainer
2019-05-20 18:29:56 +02:00
5653ba38cf Update mkdocs-material from v4.2.0 to v4.3.0 2019-05-20 17:19:58 +02:00
147c21a4bd Allow Calico networking on Azure and DigitalOcean
* Introduce "calico" as a `networking` option on Azure and DigitalOcean
using Calico's new VXLAN support (similar to flannel). Flannel remains
the default on these platforms for now.
* Historically, DigitalOcean and Azure only allowed Flannel as the
CNI provider, since those platforms don't support IPIP traffic that
was previously required for Calico.
* Looking forward, its desireable for Calico to become the default
across Typhoon clusters, since it provides NetworkPolicy and a
consistent experience
* No changes to AWS, GCP, or bare-metal where Calico remains the
default CNI provider. On these platforms, IPIP mode will always
be used, since its available and more performant than vxlan
2019-05-20 17:17:20 +02:00
b9bab739ce Update docs link for installing kubectl
* Fix install kubectl link to refer to upstream docs. Link to coreos.com
is now outdated and directed users to install kubectl v1.8.4
* https://github.com/poseidon/typhoon/issues/476
2019-05-19 17:52:22 +02:00
222a94247c Update node_exporter from v0.17.0 to v0.18.0
* https://github.com/prometheus/node_exporter/releases/tag/v0.18.0
2019-05-17 20:01:30 +02:00
da97bd4f12 Update Kubernetes from v1.14.1 to v1.14.2
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.14.md#v1142
2019-05-17 13:09:15 +02:00
37ce722f9c Fix race condition in DigitalOcean cluster create
* DigitalOcean clusters must secure copy a kubeconfig to
worker nodes, but Terraform could decide to try copying
before firewall rules have been added to allow SSH access.
* Add an explicit dependency on adding firewall rules first
2019-05-17 13:05:08 +02:00
f62286b677 Update Calico from v3.7.0 to v3.7.2
* https://docs.projectcalico.org/v3.7/release-notes/
2019-05-17 12:29:46 +02:00
af18296bc5 Change flannel port from 8472 to 4789
* Change flannel port from the kernel default 8472 to the
IANA assigned VXLAN port 4789
* Update firewall rules or security groups for VXLAN
* Why now? Calico now offers its own VXLAN backend so
standardizing on the IANA port will simplify config
* https://github.com/coreos/flannel/blob/master/Documentation/backends.md#vxlan
2019-05-06 21:58:10 -07:00
2d19ab8457 Update kube-state-metrics from v1.6.0-rc.2 to v1.6.0
* https://github.com/kubernetes/kube-state-metrics/releases/tag/v1.6.0
2019-05-06 21:30:49 -07:00
09e0230111 Upgrade Calico from v3.6.1 to v3.7.0
* https://docs.projectcalico.org/v3.7/release-notes/
* https://github.com/poseidon/terraform-render-bootkube/pull/131
2019-05-06 00:44:15 -07:00
93f7a3508a Hide Fedora Atomic docs from site navigation
* Remove Fedora Atomic tutorials and docs from the Typhoon
site to make it more obvious the modules are deprecated
* Continue to serve Fedora Atomic materials via direct link
for some time
2019-05-04 13:01:29 -07:00
feb6192aac Update etcd from v3.3.12 to v3.3.13 on Container Linux
* Skip updating etcd for Fedora Atomic clusters, now that
Fedora Atomic has been deprecated
2019-05-04 12:55:42 -07:00
ecbbdd905e Use ./ prefix for inner/local worker pool modules
* Terraform v0.11 encouraged use of a "./" prefix for local module references
and Terraform v0.12 will require it
* https://www.terraform.io/docs/modules/sources.html#local-paths

Related: https://github.com/hashicorp/terraform/issues/19745
2019-05-04 12:27:22 -07:00
fd3c81d04d Remove create/update endpoints from nginx-ingress Role (#458)
* nginx-ingress no longer requires endpoints create/update RBAC Role permissions
* https://github.com/kubernetes/ingress-nginx/pull/1527
2019-05-04 11:36:02 -07:00
6e9b2450fe Update Grafana from v6.1.4 to v6.1.6
* https://github.com/grafana/grafana/releases/tag/v6.1.6
2019-05-04 11:14:37 -07:00
253831aac3 Update links to Matchbox, terraform-provider-ct, etc.
* Matchbox, terraform-provider-matchbox, and terraform-provider-ct
have moved to the poseidon Github organization
2019-05-04 10:50:53 -07:00
a3c3aa1213 Update mkdocs-material from v4.1.2 to v4.2.0 2019-04-28 14:23:49 -07:00
3a6979920c Update provider plugin versions in tutorial docs
* Update terraform provider plugin version in docs to reflect
the recommended current versions that are currently used
2019-04-28 14:23:31 -07:00
ec5aef5c92 Refresh Prometheus rules and Grafana dashboards
* Adds several network related alerts from upstream
2019-04-27 22:41:13 -07:00
0e94708fd8 Update kube-state-metrics from v1.5.0 to v1.6.0-rc.2
* Collect metrics Ingress resources
* Collects metrics about certificates.k8s.io certificatesigningrequests
* https://github.com/kubernetes/kube-state-metrics/releases/tag/v1.6.0-rc.2
2019-04-27 20:54:40 -07:00
2c11bad439 Update Prometheus from v2.9.1 to v2.9.2
* https://github.com/prometheus/prometheus/releases/tag/v2.9.2
2019-04-27 20:39:55 -07:00
034a1a9d40 Remove mention of nginx-ingress default-backend from docs
* Default backend was removed in 170ef74eea
2019-04-27 19:09:25 -07:00
68377a61f8 Update mkdocs-material from v4.1.1 to v4.1.2 2019-04-18 23:40:36 -07:00
418597aa59 Update Grafana from v6.1.3 to v6.1.4
* https://github.com/grafana/grafana/releases/tag/v6.1.4
2019-04-18 23:30:43 -07:00
f3174c2b7a Update Prometheus from v2.8.1 to v2.9.1
* https://github.com/prometheus/prometheus/releases/tag/v2.9.1
* https://github.com/prometheus/prometheus/releases/tag/v2.9.0
2019-04-18 23:26:32 -07:00
e73cccd7eb Update provider versions in tutorial docs
* Update terraform provider plugin version in docs to reflect
the recommended current versions that are currently used
2019-04-16 00:05:13 -07:00
a141c5fe9e Update nginx-ingress from v0.23.0 to v0.24.1
* https://github.com/kubernetes/ingress-nginx/releases/tag/nginx-0.24.1
* https://github.com/kubernetes/ingress-nginx/releases/tag/nginx-0.24.0
2019-04-15 21:08:22 -07:00
1b157a2fa4 Revert "Update kube-state-metrics from v1.5.0 to v1.6.0-rc.0"
* This reverts commit 6e5d66cf66
* kube-state-metrics v1.6.0-rc.0 fires KubeDeploymentReplicasMismatch
alerts where its own Deployment doesn't have replicas available,
(kube_deployment_status_replicas_available) even though all replicas
are available according to kubectl inspection
* This problem was present even with the CSR ClusterRole fix
(https://github.com/kubernetes/kube-state-metrics/pull/717)
2019-04-13 12:37:53 -07:00
8da17fb7a2 Fix "google_compute_target_pool.workers: Cannot determine region"
If no region is set at the Google provider level, Terraform fails to
create the google_compute_target_pool.workers resource and complains
with "Cannot determine region: set in this resource, or set provider-level 'region' or 'zone'."

This commit fixes the issue by explicitly setting the region for the
google_compute_target_pool.workers resource.
2019-04-13 11:53:56 -07:00
6e5d66cf66 Update kube-state-metrics from v1.5.0 to v1.6.0-rc.0
* Adds a metrics collector for Ingress resources and other
improvements
* https://github.com/kubernetes/kube-state-metrics/pull/640
* https://github.com/kubernetes/kube-state-metrics/releases/tag/v1.6.0-rc.0
2019-04-09 22:16:36 -07:00
44c293888b Update Grafana from v6.1.1 to v6.1.3
* https://github.com/grafana/grafana/releases/tag/v6.1.3
2019-04-09 22:06:27 -07:00
452253081b Update Kubernetes from v1.14.0 to v1.14.1
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.14.md#changelog-since-v1140
2019-04-09 21:47:23 -07:00
1aa4d2cdc1 Update CHANGES for v1.14.0 release 2019-04-08 18:49:52 -07:00
c1fe41d34a Add ability to load balance TCP/UDP applications on Azure
* Add ability to load balance TCP/UDP applications (e.g. NodePort)
* Output the load balancer ID as `loadbalancer_id`
* Output `worker_security_group_name` and `worker_address_prefix`
for extending firewall rules
2019-04-07 22:59:46 -07:00
be29f52039 Add enable_aggregation option (defaults to false)
* Add an `enable_aggregation` variable to enable the kube-apiserver
aggregation layer for adding extension apiservers to clusters
* Aggregation is **disabled** by default. Typhoon recommends you not
enable aggregation. Consider whether less invasive ways to achieve your
goals are possible and whether those goals are well-founded
* Enabling aggregation and extension apiservers increases the attack
surface of a cluster and makes extensions a part of the control plane.
Admins must scrutinize and trust any extension apiserver used.
* Passing a v1.14 CNCF conformance test requires aggregation be enabled.
Having an option for aggregation keeps compliance, but retains the
stricter security posture on default clusters
2019-04-07 12:00:38 -07:00
5271e410eb Update Kubernetes from v1.13.5 to v1.14.0
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.14.md#v1140
2019-04-07 00:15:59 -07:00
ce78d5988e Refresh Prometheus rules and Grafana dashboards
* Refresh rules and dashboards from upstreams
* Add new Kubernetes "workload" dashboards
  * View pods in a workload (deployment/daemonset/statefulset)
  * View workloads in a namespace
2019-04-06 23:31:44 -07:00
29a3035245 Update Grafana from v6.1.0 to v6.1.1 2019-04-06 18:32:14 -07:00
3e7a38cb13 Update Grafana from v6.0.2 to v6.1.0
* https://github.com/grafana/grafana/releases/tag/v6.1.0
2019-04-03 20:47:48 -07:00
2a07c97538 Harden internal firewall rules on DigitalOcean
* Define firewall rules on DigitialOcean to match rules used on AWS,
GCP, and Azure
* Output `controller_tag` and `worker_tag` to simplify custom firewall
rule creation
2019-04-03 20:38:22 -07:00
60265f9b58 Add ability to load balance TCP applications on AWS
* Add ability to load balance TCP applications (e.g. NodePort)
* Output the network load balancer ARN as `nlb_id`
* Accept a `worker_target_groups` (ARN) list to which worker
instances should be added
* AWS NLBs and target groups don't support UDP
2019-04-01 21:22:20 -07:00
aaa8e0261a Add Google Cloud worker instances to a target pool
* Background: A managed instance group of workers is used in backend
services for global load balancing (HTTP/HTTPS Ingress) and output
for custom global load balancing use cases
* Add worker instances to a target pool load balancing TCP/UDP
applications (NodePort or proxied). Output as `worker_target_pool`
* Health check for workers with a healthy Ingress controller. Forward
rules (regional) to target pools don't support different external and
internal ports so choosing nodes with Ingress allows proxying as a
workaround
* A target pool is a logical grouping only. It doesn't add costs to
clusters or worker pools
2019-04-01 21:03:48 -07:00
ae3a8a5770 Update mkdocs-material from v4.1.0 to v4.1.1 2019-03-31 18:23:18 -07:00
b3ec5f73e3 Update Calico from v3.6.0 to v3.6.1
* https://docs.projectcalico.org/v3.6/release-notes/
2019-03-31 17:43:43 -07:00
3e9dc28a00 Update Prometheus from v2.8.0 to v2.8.1
* https://github.com/prometheus/prometheus/releases/tag/v2.8.1
2019-03-31 17:40:20 -07:00
46196af500 Remove Haswell minimum CPU platform requirement
* Google Cloud API implements `min_cpu_platform` to mean
"use exactly this CPU"
* Fix error creating clusters in newer regions lacking Haswell
platform (e.g. europe-west2) (#438)
* Reverts #405, added in v1.13.4
* Original goal of ignoring old Ivy/Sandy bridge CPUs in older regions
will be achieved shortly anyway. Google Cloud is deprecating those CPUs
in April 2019
* https://cloud.google.com/compute/docs/instances/specify-min-cpu-platform#how_selecting_a_minimum_cpu_platform_works
2019-03-27 19:51:32 -07:00
5a1bc423a1 Announce Fedora Atomic modules won't be updated beyond v1.13.x
* Thank you Project Atomic team and users
* See the deprecation announcement https://typhoon.psdn.io/announce/#march-27-2019
2019-03-26 23:56:33 -07:00
32fe72fb2d Update mkdocs and plugin versions used in tutorials
* Recommend provider plugin versions that are currently used
by the author
* Recommend updating terraform-provider-ct plugin from v0.3.0
to v0.3.1
* https://github.com/coreos/terraform-provider-ct/releases
2019-03-26 01:00:44 -07:00
4fea526ebf Update Kubernetes from v1.13.4 to v1.13.5
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.13.md#v1135
2019-03-25 21:43:47 -07:00
41a9d86bc3 Add NetworkPolicy to limit traffic into Prometheus
* Allow traffic from Grafana to Prometheus in monitoring
* Allow traffic from Prometheus to Prometheus in monitoring
* NetworkPolicy denies non-whitelisted traffic. Define policy
to allow other access
2019-03-23 21:38:34 -07:00
36e31fc9fa Add liveness and readiness probes to Grafana
* https://github.com/grafana/grafana/issues/3302
2019-03-23 17:55:37 -07:00
619a0370dc Update Grafana from v6.0.1 to v6.0.2
* https://github.com/grafana/grafana/releases/tag/v6.0.2
2019-03-21 23:41:25 -07:00
6dd2731046 Set cpu/memory resources requests/limits for some addons
* Set resource requests and limits for Grafana and CLUO
* Set resource requests for Prometheus, but allow usage
to grow since needs vary widely
* Leave nginx without resource requests/limits for now,
its typically well behaved
2019-03-20 00:15:08 -07:00
1feefbe9c6 Update Calico from v3.5.2 to v3.6.0
* Add calico-ipam CRDs and RBAC permissions
* Switch IPAM from host-local to calico-ipam
  * `calico-ipam` subnets `ippools` (defaults to pod CIDR) into
`ipamblocks` (defaults to /26, but set to /24 in Typhoon)
  * `host-local` subnets the pod CIDR based on the node PodCIDR
field (set via kube-controller-manager as /24's)
* Create a custom default IPv4 IPPool to ensure the block size
is kept at /24 to allow 110 pods per node (Kubernetes default)
* Retaining host-local was slightly preferred, but Calico v3.6
is migrating all usage to calico-ipam. The codepath that skipped
calico-ipam for KDD was removed
*  https://docs.projectcalico.org/v3.6/release-notes/
2019-03-19 22:49:56 -07:00
aa630003a4 Refresh Prometheus rules and Grafana dashboards
* Refresh rules and dashboards from upstreams
* Organize dashboards and stay below the ConfigMap size
limit
2019-03-17 13:23:04 -07:00
bf97a45b9d Remove heapster manifests from addons
* Heapster addon powers `kubectl top`
* In early Kubernetes, people legitimately used and expected
`kubectl top` to work, so the optional addon was provided
* Today the standards are different. Many better monitoring
tools exist, that are also less coupled to Kubernetes "kubectl
top" reliance on a non-core extensions means its not in-scope
for minimal Kubernetes clusters. No more exceptionalism
* Finally, Heapster isn't that useful anymore. Its manifests
have no need for Typhoon-specific modification
* Look to prior releases if you still wish to apply heapster
2019-03-17 12:41:59 -07:00
3d6a6d4adb Re-add Kubelet metadata service dependency on DigitalOcean
* Restore the original special-casing of DigitalOcean Kubelets
* Fix node metadata InternalIP being set to the IP of the default
gateway on DigitalOcean nodes (regressed in v1.12.3)
* Reverts the "pretty" node names on DigitalOcean (worker-2 vs IP)
* Closes #424 (full details)
2019-03-17 12:39:25 -07:00
e0bee2e417 Update Prometheus from v2.7.2 to v2.8.0
* https://github.com/prometheus/prometheus/releases/tag/v2.8.0
2019-03-13 22:11:38 -07:00
2019177b6b Fix implicit map assignments to be explicit
* Terraform v0.12 will require map assignments be explicit,
part of v0.12 readiness
2019-03-12 01:19:54 -07:00
9493ed3b1d Change default iPXE kernel/initrd download from HTTP to HTTPS
* Require an iPXE-enabled network boot environment with support for
TLS downloads. PXE clients must chainload to iPXE firmware compiled
with `DOWNLOAD_PROTO_HTTPS` enabled ([crypto](https://ipxe.org/crypto))
* iPXE's pre-compiled firmware binaries do _not_ enable HTTPS. Admins
should build iPXE from source with support enabled
* Affects the Container Linux and Flatcar Linux install profiles that
pull from public downloads. No effect when cached_install=true
or using Fedora Atomic, as those download from Matchbox
* Add `download_protocol` variable. Recognizing boot firmware TLS
support is difficult in some environments, set the protocol to "http"
for the old behavior (discouraged)
2019-03-09 23:23:40 -08:00
4201eb1efa Update Grafana from v6.0.0 to v6.0.1
* https://github.com/grafana/grafana/releases/tag/v6.0.1
2019-03-09 12:44:18 -08:00
fe96da27d7 Add support for terraform-provider-aws v2.0+
* Allow terraform-provider-aws >= v1.13, but < 3.0. No change
to the minimum version, but allow using v2.x.y releases
* Verify compatability with terraform-provider-aws v2.1.0
2019-03-09 12:06:44 -08:00
3afd114f8c Update mkdocs-material from v4.0.1 to v4.0.2 2019-03-04 23:11:02 -08:00
4d9a692424 Update Prometheus from v2.7.1 to v2.7.2
* https://github.com/prometheus/prometheus/releases/tag/v2.7.2
2019-03-04 23:08:12 -08:00
deec512c14 Resolve in-addr.arpa and ip6.arpa zones with CoreDNS kubernetes plugin
* Resolve in-addr.arpa and ip6.arpa DNS PTR requests for Kubernetes
service IPs and pod IPs
* Previously, CoreDNS was configured to resolve in-addr.arpa PTR
records for service IPs (but not pod IPs)
2019-03-04 23:03:00 -08:00
5066a25d89 Add links and clarifications in CHANGES for release 2019-03-02 11:26:12 -08:00
de251bd94f Update tutorials to prefer newer provider plugins over min version
* Minimum versions of Terraform provider plugins are enforced in
each module already. Its better to provide examples with newer
versions. Some folks don't update them
* Previously, tutorials showed the minimum viable version of each
terraform provider that might be used
2019-03-02 11:07:40 -08:00
fc277eaab6 Document the GCP DNS admin requirement for cluster provisioning
* Configure the google terraform provider to use GCP service
account credentials with compute and dns admin privileges
2019-03-02 10:54:35 -08:00
a08adc92b5 Update nginx-ingress from v0.22.0 to v0.23.0
* https://github.com/kubernetes/ingress-nginx/releases/tag/nginx-0.23.0
2019-03-01 01:18:54 -08:00
d42f42df4e Re-measure cluster provision times and document 2019-03-01 01:15:08 -08:00
4ff7fe2c29 Update Grafana dashboards from upstreams 2019-02-28 23:22:07 -08:00
f598307998 Update Kubernetes from v1.13.3 to v1.13.4
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.13.md#v1134
2019-02-28 22:47:43 -08:00
8ae552ebda Update documentation for use with Ubiquiti EdgeOS
* Show creation of a PXE-enabled network boot environment when
using dnsmasq as the DHCP server
* Recommend TFTP be served from /config/tftpboot since /config
is preserved between firmware upgrades
* Recommend compiling undionly.kpxe from source to enable
TLS features
* Add a note that equal-cost multi-path service IP routing
(e.g. for ingress) requires EdgeOS v2.0. Previously, it was known
that TLS handshakes couldn't be completed with packet balacing.
I've verified this is no longer the case when using the v2.0
EdgeOS firmware, ECMP works as expected.
2019-02-27 23:36:27 -08:00
daee5a9d60 Update Grafana from v6.0.0-beta3 to v6.0.0
* https://github.com/grafana/grafana/releases/tag/v6.0.0
* http://docs.grafana.org/guides/whats-new-in-v6-0/
2019-02-25 21:43:43 -08:00
73ae5d5649 Update Calico from v3.5.1 to v3.5.2
* https://docs.projectcalico.org/v3.5/releases/
2019-02-25 21:23:13 -08:00
42d7222f3d Add a readiness probe to CoreDNS
* https://github.com/poseidon/terraform-render-bootkube/pull/115
2019-02-23 13:25:23 -08:00
d10c2b4cb9 Update Grafana from v6.0.0-beta2 to v6.0.0-beta3
* Update Grafana dashboards
2019-02-23 13:03:25 -08:00
7f8572030d Upgrade to support terraform-provider-google v2.0+
* Support terraform-provider-google v1.19.0, v1.19.1, v1.20.0
and v2.0+ (and allow for future 2.x.y releases)
* Require terraform-provider-google v1.19.0 or newer. v1.19.0
introduced `network_interface` fields `network_ip` and `nat_ip`
to deprecate `address` and `assigned_nat_ip`. Those deprecated
fields are removed in terraform-provider-google v2.0
* https://github.com/terraform-providers/terraform-provider-google/releases/tag/v2.0.0
2019-02-20 02:33:32 -08:00
4294bd0292 Assign Pod Priority classes to critical cluster and node components
* Assign pod priorityClassNames to critical cluster and node
components (higher is higher priority) to inform node out-of-resource
eviction order and scheduler preemption and scheduling order
* Priority Admission Controller has been enabled since Typhoon
v1.11.1
2019-02-19 22:21:39 -08:00
ba4c5de052 Set the Google Cloud minimum CPU platform to Intel Haswell
* Intel Haswell or better is available in every zone around the world
* Neither Kubernetes nor Typhoon have a particular minimum processor
family. However, a few Google Cloud zones still default to Sandy/Ivy
bridge (scheduled to shift April 2019). Price is only based on machine
type so it is beneficial to opt for the next processor family
* Intel Haswell is a suitable minimum since it still allows plenty of
liberty in choosing any region or machine type
* Likely a slight increase to preemption probability in a few zones,
but any lower probability on Sandy/Ivy bridge is due to lower
desirability as they're phased out
* https://cloud.google.com/compute/docs/regions-zones/
2019-02-18 12:55:04 -08:00
e483c81ce9 Improve Prometheus rules and alerts and Grafana dashboards
* Collate upstream rules, alerts, and dashboards and tune for use
in Typhoon
* Previously, a well-chosen (but older) set of rules, alerts, and
dashboards were maintained to reflect metric name changes
2019-02-18 12:19:23 -08:00
6fa3b8a13f Upgrade Grafana to v6.0.0-beta2 and enable Explore UI
* Upgrade Grafana from v5.4.3 to v6.0.0-beta2
* Enable Grafana Explore UI while still using only the Viewer
role (inspect/edit without saving)
* http://docs.grafana.org/guides/whats-new-in-v6-0/
2019-02-17 13:26:42 -08:00
ac95e83249 Update mkdocs-material from v3.3.0 to v4.0.1 2019-02-16 15:55:38 -08:00
d988822741 Document and recommend terraform-provider-matchbox v0.2.3
* https://github.com/coreos/terraform-provider-matchbox/releases/tag/v0.2.3
2019-02-16 15:07:49 -08:00
170ef74eea Remove Nginx Ingress default backend
* nginx-ingress no longer requires a configured default-backend,
it will respond with its own 404 page starting in v0.21.0
* https://github.com/kubernetes/ingress-nginx/pull/3196
2019-02-16 14:18:15 -08:00
b13a651cfe Drop metrics that are unset, high cardinality, or extraneous
* https://github.com/coreos/prometheus-operator/pull/2387
* https://github.com/coreos/prometheus-operator/pull/1959
2019-02-10 23:56:11 -08:00
9c59f393a5 Add Kubernetes pod name to metrics discovered from service endpoints
* Prometheus queries from some upstreams use joins of node-exporter
and kube-state-metrics metrics by (namespace,pod). Add the Kubernetes
pod name to service endpoint metrics
* Rename the kubernetes_namespace field to namespace
* Honor labels since kube-state-metrics already include a `pod` field
that should not be overridden
2019-02-10 23:54:30 -08:00
3e4b3bfb04 Raise nginx-ingress liveness/readiness timeout
* Under heavy load, avoid timeouts causing nginx-ingress
restarts https://github.com/kubernetes/ingress-nginx/pull/3737
2019-02-09 12:53:09 -08:00
584088397c Update etcd from v3.3.11 to v3.3.12
* https://github.com/etcd-io/etcd/releases/tag/v3.3.12
2019-02-09 11:54:54 -08:00
0200058e0e Update Calico from v3.5.0 to v3.5.1
* Fix in confd https://github.com/projectcalico/confd/pull/205
2019-02-09 11:49:31 -08:00
153 changed files with 14140 additions and 8920 deletions

View File

@ -4,6 +4,170 @@ Notable changes between versions.
## Latest
## 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/)
* Change flannel VXLAN port from 8472 (kernel default) to 4789 (IANA VXLAN)
#### AWS
* Only set internal VXLAN rules when `networking` is "flannel" (default: calico)
#### Azure
* Allow choosing Calico as the network provider (experimental) ([#472](https://github.com/poseidon/typhoon/pull/472))
* Add a `networking` variable accepting "flannel" (default) or "calico"
* Use VXLAN encapsulation since Azure doesn't support IPIP
#### DigitalOcean
* Allow choosing Calico as the network provider (experimental) ([#472](https://github.com/poseidon/typhoon/pull/472))
* Add a `networking` variable accepting "flannel" (default) or "calico"
* Use VXLAN encapsulation since DigitalOcean doesn't support IPIP
* Add explicit ordering between firewall rule creation and secure copying Kubelet credentials ([#469](https://github.com/poseidon/typhoon/pull/469))
* Fix race scenario if copies to nodes were before rule creation, blocking cluster creation
#### Addons
* Update Prometheus from v2.8.1 to v2.9.2
* Update kube-state-metrics from v1.5.0 to v1.6.0
* Update node-exporter from v0.17.0 to v0.18.0
* Update Grafana from v6.1.3 to v6.1.6
* Reduce nginx-ingress Role RBAC permissions ([#458](https://github.com/poseidon/typhoon/pull/458))
## v1.14.1
* Kubernetes [v1.14.1](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.14.md#v1141)
#### Addons
* Update Grafana from v6.1.1 to v6.1.3
* Update nginx-ingress from v0.23.0 to v0.24.1
## v1.14.0
* Kubernetes [v1.14.0](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.14.md#v1140)
* Update Calico from v3.6.0 to v3.6.1
* Add `enable_aggregation` option for CNCF conformance ([#436](https://github.com/poseidon/typhoon/pull/436))
* Aggregation is disabled by default to retain our security stance
* Aggregation increases the security surface area. Extensions become part of the control plane and must be scrutinized carefully and trusted. Favor leaving aggregation disabled.
#### AWS
* Add ability to load balance TCP applications ([#443](https://github.com/poseidon/typhoon/pull/443))
* Output the network load balancer ARN as `nlb_id`
* Accept a `worker_target_groups` (ARN) list to which worker instances should be added
#### Azure
* Add ability to load balance TCP/UDP applications ([#447](https://github.com/poseidon/typhoon/pull/447))
* Output the load balancer ID as `loadbalancer_id`
* Output `worker_security_group_name` and `worker_address_prefix` for extending firewall rules ([#447](https://github.com/poseidon/typhoon/pull/447))
#### DigitalOcean
* Harden internal (node-to-node) firewall rules to align with other platforms ([#444](https://github.com/poseidon/typhoon/pull/444))
* Add ability to load balance TCP applications ([#444](https://github.com/poseidon/typhoon/pull/444))
* Output `controller_tag` and `worker_tag` for extending firewall rules ([#444](https://github.com/poseidon/typhoon/pull/444))
#### Google Cloud
* 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
* 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))
#### Addons
* Update Prometheus from v2.8.0 to v2.8.1
* Update Grafana from v6.0.2 to [v6.1.1](http://docs.grafana.org/guides/whats-new-in-v6-1/)
* Add dashboard for pods in a workload (deployment/daemonset/statefulset) ([#446](https://github.com/poseidon/typhoon/pull/446))
* Add dashboard for workloads by namespace
## v1.13.5
* Kubernetes [v1.13.5](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.13.md#v1135)
* Resolve in-addr.arpa reverse DNS lookups (PTR) for pod IPv4 addresses ([#415](https://github.com/poseidon/typhoon/pull/415))
* Reverse DNS lookups for service IPv4 addresses unchanged
* Upgrade Calico from v3.5.2 to [v3.6.0](https://docs.projectcalico.org/v3.6/release-notes/) ([#430](https://github.com/poseidon/typhoon/pull/430))
* Change pod IPAM from `host-local` to `calico-ipam`. `pod_cidr` is still divided into `/24` subnets per node, but managed as `ippools` and `ipamblocks`
* Suggest updating [terraform-provider-ct](https://github.com/poseidon/terraform-provider-ct) from v0.3.0 to [v0.3.1](https://github.com/poseidon/terraform-provider-ct/releases/tag/v0.3.1) ([#434](https://github.com/poseidon/typhoon/pull/434))
* Announce: Fedora Atomic modules will be not be updated beyond Kubernetes v1.13.x ([#437](https://github.com/poseidon/typhoon/pull/437))
* Thank you Project Atomic team and users, please see the deprecation [notice](https://typhoon.psdn.io/announce/#march-27-2019)
#### AWS
* Support `terraform-provider-aws` v2.0+ ([#419](https://github.com/poseidon/typhoon/pull/419))
#### Bare-Metal
* Change the default iPXE kernel and initrd download protocol from HTTP to HTTPS ([#420](https://github.com/poseidon/typhoon/pull/420))
* Require an iPXE-enabled network boot environment with support for TLS downloads. PXE clients must chainload to iPXE firmware compiled with `DOWNLOAD_PROTO_HTTPS` [enabled](https://ipxe.org/crypto). (**action required**)
* Only affects Container Linux and Flatcar Linux install profiles that pull public images (default)
* Add `download_protocol` variable. Recognizing boot firmware TLS support is difficult in some environments, set the protocol to "http" for the old behavior (discouraged)
#### DigitalOcean
* Fix kubelet hostname-override to set node metadata InternalIP correctly ([#424](https://github.com/poseidon/typhoon/issues/424))
* Uniquely, DigitalOcean does not resolve hostnames to instance private IPs. Kubelet auto-detect mechanisms require the internal IP be set directly.
* Regressed in v1.12.3 ([#337](https://github.com/poseidon/typhoon/pull/337)) which aimed to provide friendly hostname-based node names on DigitalOcean
#### Addons
* Update Prometheus from v2.7.1 to [v2.8.0](https://github.com/prometheus/prometheus/releases/tag/v2.8.0)
* Refresh rules based on upstreams ([#426](https://github.com/poseidon/typhoon/pull/426))
* Define NetworkPolicy to allow only traffic from the Grafana addon
* Update Grafana from v6.0.0 to v6.0.2
* Add liveness and readiness probes
* Refresh dashboards and organize to stay below ConfigMap size limit ([#426](https://github.com/poseidon/typhoon/pull/426))
* Remove heapster manifests from addons ([#427](https://github.com/poseidon/typhoon/pull/427))
* Heapster addon powers `kubectl top` (in early Kubernetes, running the addon was expected). Today, there are better monitoring options.
* `kubectl top` reliance on a non-core extension means its not in-scope for minimal Kubernetes
* Look to prior releases if you still wish to apply heapster
## v1.13.4
* Kubernetes [v1.13.4](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.13.md#v1134)
* Update etcd from v3.3.11 to [v3.3.12](https://github.com/etcd-io/etcd/releases/tag/v3.3.12)
* Update Calico from v3.5.0 to [v3.5.2](https://docs.projectcalico.org/v3.5/releases/)
* Assign priorityClassNames to critical cluster and node components ([#406](https://github.com/poseidon/typhoon/pull/406))
* Inform node out-of-resource eviction and scheduler preemption and ordering
* Add CoreDNS readiness probe ([#410](https://github.com/poseidon/typhoon/pull/410))
#### Bare-Metal
* Recommend updating [terraform-provider-matchbox](https://github.com/poseidon/terraform-provider-matchbox) plugin from v0.2.2 to [v0.2.3](https://github.com/poseidon/terraform-provider-matchbox/releases/tag/v0.2.3) ([#402](https://github.com/poseidon/typhoon/pull/402))
* Improve docs on using Ubiquiti EdgeOS with bare-metal clusters ([#413](https://github.com/poseidon/typhoon/pull/413))
#### Google Cloud
* Support `terraform-provider-google` v2.0+ ([#407](https://github.com/poseidon/typhoon/pull/407))
* Require `terraform-provider-google` v1.19+ (**action required**)
* Set the minimum CPU platform to Intel Haswell ([#405](https://github.com/poseidon/typhoon/pull/405))
* Haswell or better is available in every zone (no price change)
* A few zones still default to Sandy/Ivy Bridge (shifts in April 2019)
#### Addons
* Modernize Prometheus rules and alerts ([#404](https://github.com/poseidon/typhoon/pull/404))
* Drop extraneous metrics ([#397](https://github.com/poseidon/typhoon/pull/397))
* Add `pod` name label to metrics discovered via service endpoints
* Rename `kubernetes_namespace` label to `namespace`
* Modernize Grafana and dashboards, see [docs](https://typhoon.psdn.io/addons/grafana/) ([#403](https://github.com/poseidon/typhoon/pull/403), [#404](https://github.com/poseidon/typhoon/pull/404))
* Upgrade Grafana from v5.4.3 to [v6.0.0](https://github.com/grafana/grafana/releases/tag/v6.0.0)!
* Enable Grafana [Explore](http://docs.grafana.org/guides/whats-new-in-v6-0/#explore) UI as a Viewer (inspect/edit without saving)
* Update nginx-ingress from v0.22.0 to v0.23.0
* Raise nginx-ingress liveness/readiness timeout to 5 seconds
* Remove nginx-ingess default-backend ([#401](https://github.com/poseidon/typhoon/pull/401))
#### Fedora Atomic
* Build Kubelet [system container](https://github.com/poseidon/system-containers) with buildah. The image is an OCI format and slightly larger.
## v1.13.3
* Kubernetes [v1.13.3](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.13.md#v1133)
@ -488,15 +652,15 @@ Notable changes between versions.
#### AWS
* [Require](https://typhoon.psdn.io/topics/maintenance/#terraform-provider-ct-v021) updating `terraform-provider-ct` plugin from v0.2.0 to [v0.2.1](https://github.com/coreos/terraform-provider-ct/releases/tag/v0.2.1) (action required!)
* [Require](https://typhoon.psdn.io/topics/maintenance/#terraform-provider-ct-v021) updating `terraform-provider-ct` plugin from v0.2.0 to [v0.2.1](https://github.com/poseidon/terraform-provider-ct/releases/tag/v0.2.1) (action required!)
#### Digital Ocean
* [Require](https://typhoon.psdn.io/topics/maintenance/#terraform-provider-ct-v021) updating `terraform-provider-ct` plugin from v0.2.0 to [v0.2.1](https://github.com/coreos/terraform-provider-ct/releases/tag/v0.2.1) (action required!)
* [Require](https://typhoon.psdn.io/topics/maintenance/#terraform-provider-ct-v021) updating `terraform-provider-ct` plugin from v0.2.0 to [v0.2.1](https://github.com/poseidon/terraform-provider-ct/releases/tag/v0.2.1) (action required!)
#### Google Cloud
* [Require](https://typhoon.psdn.io/topics/maintenance/#terraform-provider-ct-v021) updating `terraform-provider-ct` plugin from v0.2.0 to [v0.2.1](https://github.com/coreos/terraform-provider-ct/releases/tag/v0.2.1) (action required!)
* [Require](https://typhoon.psdn.io/topics/maintenance/#terraform-provider-ct-v021) updating `terraform-provider-ct` plugin from v0.2.0 to [v0.2.1](https://github.com/poseidon/terraform-provider-ct/releases/tag/v0.2.1) (action required!)
* Relax `os_image` to optional. Default to "coreos-stable".
#### Addons
@ -516,7 +680,7 @@ Notable changes between versions.
* Upgrade etcd from v3.2.15 to v3.3.2
* Update Calico from v3.0.2 to v3.0.3
* Use kubernetes-incubator/bootkube v0.11.0
* [Recommend](https://typhoon.psdn.io/topics/maintenance/#terraform-provider-ct-v021) updating `terraform-provider-ct` plugin from v0.2.0 to [v0.2.1](https://github.com/coreos/terraform-provider-ct/releases/tag/v0.2.1) (action recommended)
* [Recommend](https://typhoon.psdn.io/topics/maintenance/#terraform-provider-ct-v021) updating `terraform-provider-ct` plugin from v0.2.0 to [v0.2.1](https://github.com/poseidon/terraform-provider-ct/releases/tag/v0.2.1) (action recommended)
#### AWS

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 v1.13.3 (upstream, via [kubernetes-incubator/bootkube](https://github.com/kubernetes-incubator/bootkube))
* Kubernetes v1.14.2 (upstream, via [kubernetes-incubator/bootkube](https://github.com/kubernetes-incubator/bootkube))
* 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
@ -33,10 +33,10 @@ Fedora Atomic support is alpha and will evolve as Fedora Atomic is replaced by F
| Platform | Operating System | Terraform Module | Status |
|---------------|------------------|------------------|--------|
| AWS | Fedora Atomic | [aws/fedora-atomic/kubernetes](aws/fedora-atomic/kubernetes) | alpha |
| Bare-Metal | Fedora Atomic | [bare-metal/fedora-atomic/kubernetes](bare-metal/fedora-atomic/kubernetes) | alpha |
| Digital Ocean | Fedora Atomic | [digital-ocean/fedora-atomic/kubernetes](digital-ocean/fedora-atomic/kubernetes) | alpha |
| Google Cloud | Fedora Atomic | [google-cloud/fedora-atomic/kubernetes](google-cloud/fedora-atomic/kubernetes) | alpha |
| AWS | Fedora Atomic | [aws/fedora-atomic/kubernetes](aws/fedora-atomic/kubernetes) | deprecated |
| Bare-Metal | Fedora Atomic | [bare-metal/fedora-atomic/kubernetes](bare-metal/fedora-atomic/kubernetes) | deprecated |
| Digital Ocean | Fedora Atomic | [digital-ocean/fedora-atomic/kubernetes](digital-ocean/fedora-atomic/kubernetes) | deprecated |
| Google Cloud | Fedora Atomic | [google-cloud/fedora-atomic/kubernetes](google-cloud/fedora-atomic/kubernetes) | deprecated |
## Documentation
@ -50,7 +50,7 @@ Define a Kubernetes cluster by using the Terraform module for your chosen platfo
```tf
module "google-cloud-yavin" {
source = "git::https://github.com/poseidon/typhoon//google-cloud/container-linux/kubernetes?ref=v1.13.3"
source = "git::https://github.com/poseidon/typhoon//google-cloud/container-linux/kubernetes?ref=v1.14.2"
providers = {
google = "google.default"
@ -91,9 +91,9 @@ In 4-8 minutes (varies by platform), the cluster will be ready. This Google Clou
$ export KUBECONFIG=/home/user/.secrets/clusters/yavin/auth/kubeconfig
$ kubectl get nodes
NAME ROLES STATUS AGE VERSION
yavin-controller-0.c.example-com.internal controller,master Ready 6m v1.13.3
yavin-worker-jrbf.c.example-com.internal node Ready 5m v1.13.3
yavin-worker-mzdm.c.example-com.internal node Ready 5m v1.13.3
yavin-controller-0.c.example-com.internal controller,master Ready 6m v1.14.2
yavin-worker-jrbf.c.example-com.internal node Ready 5m v1.14.2
yavin-worker-mzdm.c.example-com.internal node Ready 5m v1.14.2
```
List the pods.

View File

@ -18,34 +18,41 @@ spec:
annotations:
seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
spec:
containers:
- name: update-agent
image: quay.io/coreos/container-linux-update-operator:v0.7.0
command:
- "/bin/update-agent"
volumeMounts:
- mountPath: /var/run/dbus
name: var-run-dbus
- mountPath: /etc/coreos
name: etc-coreos
- mountPath: /usr/share/coreos
name: usr-share-coreos
- mountPath: /etc/os-release
name: etc-os-release
env:
# read by update-agent as the node name to manage reboots for
- name: UPDATE_AGENT_NODE
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
tolerations:
- key: node-role.kubernetes.io/master
operator: Exists
effect: NoSchedule
- key: node-role.kubernetes.io/master
operator: Exists
effect: NoSchedule
containers:
- name: update-agent
image: quay.io/coreos/container-linux-update-operator:v0.7.0
command:
- "/bin/update-agent"
env:
# read by update-agent as the node name to manage reboots for
- name: UPDATE_AGENT_NODE
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
resources:
requests:
cpu: 10m
memory: 20Mi
limits:
cpu: 20m
memory: 40Mi
volumeMounts:
- mountPath: /var/run/dbus
name: var-run-dbus
- mountPath: /etc/coreos
name: etc-coreos
- mountPath: /usr/share/coreos
name: usr-share-coreos
- mountPath: /etc/os-release
name: etc-os-release
volumes:
- name: var-run-dbus
hostPath:

View File

@ -15,17 +15,25 @@ spec:
annotations:
seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
spec:
containers:
- name: update-operator
image: quay.io/coreos/container-linux-update-operator:v0.7.0
command:
- "/bin/update-operator"
env:
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
tolerations:
- key: node-role.kubernetes.io/master
operator: Exists
effect: NoSchedule
containers:
- name: update-operator
image: quay.io/coreos/container-linux-update-operator:v0.7.0
command:
- "/bin/update-operator"
env:
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
resources:
requests:
cpu: 10m
memory: 20Mi
limits:
cpu: 20m
memory: 40Mi

View File

@ -0,0 +1,36 @@
apiVersion: v1
kind: ConfigMap
metadata:
name: grafana-config
namespace: monitoring
data:
custom.ini: |+
[server]
http_port = 8080
[paths]
data = /var/lib/grafana
plugins = /var/lib/grafana/plugins
provisioning = /etc/grafana/provisioning
[users]
allow_sign_up = false
allow_org_create = false
# viewers can edit/inspect, but not save
viewers_can_edit = true
# Disable login form, since Grafana always creates an admin user
[auth]
disable_login_form = true
# Disable the user/pass login system
[auth.basic]
enabled = false
# Allow anonymous authentication with view-only authorization
[auth.anonymous]
enabled = true
org_role = Viewer
[analytics]
reporting_enabled = false

View File

@ -0,0 +1,1230 @@
apiVersion: v1
kind: ConfigMap
metadata:
name: grafana-dashboards-etcd
namespace: monitoring
data:
etcd.json: |-
{
"annotations": {
"list": [
]
},
"description": "etcd sample Grafana dashboard with Prometheus",
"editable": true,
"gnetId": null,
"hideControls": false,
"id": 6,
"links": [
],
"refresh": false,
"rows": [
{
"collapse": false,
"editable": true,
"height": "250px",
"panels": [
{
"cacheTimeout": null,
"colorBackground": false,
"colorValue": false,
"colors": [
"rgba(245, 54, 54, 0.9)",
"rgba(237, 129, 40, 0.89)",
"rgba(50, 172, 45, 0.97)"
],
"datasource": "$datasource",
"editable": true,
"error": false,
"format": "none",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"id": 28,
"interval": null,
"isNew": true,
"links": [
],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"nullText": null,
"postfix": "",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"span": 3,
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": false
},
"targets": [
{
"expr": "sum(etcd_server_has_leader{job=\"$cluster\"})",
"intervalFactor": 2,
"legendFormat": "",
"metric": "etcd_server_has_leader",
"refId": "A",
"step": 20
}
],
"thresholds": "",
"title": "Up",
"type": "singlestat",
"valueFontSize": "200%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "avg"
},
{
"aliasColors": {
},
"bars": false,
"datasource": "$datasource",
"editable": true,
"error": false,
"fill": 0,
"id": 23,
"isNew": true,
"legend": {
"avg": false,
"current": false,
"max": false,
"min": false,
"show": false,
"total": false,
"values": false
},
"lines": true,
"linewidth": 2,
"links": [
],
"nullPointMode": "connected",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [
],
"span": 5,
"stack": false,
"steppedLine": false,
"targets": [
{
"expr": "sum(rate(grpc_server_started_total{job=\"$cluster\",grpc_type=\"unary\"}[5m]))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "RPC Rate",
"metric": "grpc_server_started_total",
"refId": "A",
"step": 2
},
{
"expr": "sum(rate(grpc_server_handled_total{job=\"$cluster\",grpc_type=\"unary\",grpc_code!=\"OK\"}[5m]))",
"format": "time_series",
"intervalFactor": 2,
"legendFormat": "RPC Failed Rate",
"metric": "grpc_server_handled_total",
"refId": "B",
"step": 2
}
],
"thresholds": [
],
"timeFrom": null,
"timeShift": null,
"title": "RPC Rate",
"tooltip": {
"msResolution": false,
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"mode": "time",
"name": null,
"show": true,
"values": [
]
},
"yaxes": [
{
"format": "ops",
"label": null,
"logBase": 1,
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View File

@ -0,0 +1,5252 @@
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View File

@ -0,0 +1,5374 @@
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pods.json: |-
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View File

@ -1,7361 +0,0 @@
apiVersion: v1
kind: ConfigMap
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namespace: monitoring
data:
deployment-dashboard.json: |+
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etcd-dashboard.json: |+
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kubernetes-capacity-planning-dashboard.json: |+
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kubernetes-cluster-health-dashboard.json: |+
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kubernetes-cluster-status-dashboard.json: |+
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"grid": {
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kubernetes-resource-requests-dashboard.json: |+
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nodes-dashboard.json: |+
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"name": "prometheus",
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{
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],
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},
{
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"prefixFontSize": "50%",
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"full": false,
"lineColor": "rgb(31, 120, 193)",
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},
"targets": [
{
"expr": "(sum(node_filesystem_size_bytes{device!=\"rootfs\",instance=\"$server\"}) - sum(node_filesystem_free_bytes{device!=\"rootfs\",instance=\"$server\"})) / sum(node_filesystem_size_bytes{device!=\"rootfs\",instance=\"$server\"})",
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}
],
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},
{
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},
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}
pods-dashboard.json: |+
{
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"label": "prometheus",
"name": "prometheus",
"pluginId": "prometheus",
"pluginName": "Prometheus",
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{
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"metric": "kube_pod_container_resource_requests_memory_bytes",
"refId": "B",
"step": 20
},
{
"expr": "kube_pod_container_resource_limits_memory_bytes{pod=\"$pod\", container=~\"$container\"}",
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},
{
"expr": "kube_pod_container_resource_requests_cpu_cores{pod=\"$pod\", container=~\"$container\"}",
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"legendFormat": "Requested: {{ container }}",
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{
"expr": "kube_pod_container_resource_limits_cpu_cores{pod=\"$pod\", container=~\"$container\"}",
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],
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{
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],
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],
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}
]
},
"time": {
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},
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]
},
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"title": "Pods",
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}
statefulset-dashboard.json: |+
{
"__inputs": [
{
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"label": "prometheus",
"name": "prometheus",
"pluginId": "prometheus",
"pluginName": "Prometheus",
"type": "datasource"
}
],
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},
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"thresholdMarkers": true
},
"id": 8,
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},
{
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}
],
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"prefixFontSize": "50%",
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],
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},
"targets": [
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}
],
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],
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},
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"intervalFactor": 2,
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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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"thresholdLabels": false,
"thresholdMarkers": false
},
"id": 5,
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"span": 3,
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": false
},
"targets": [
{
"expr": "max(kube_statefulset_replicas{statefulset=\"$statefulset_name\",namespace=\"$statefulset_namespace\"}) without (instance, pod)",
"intervalFactor": 2,
"metric": "kube_statefulset_replicas",
"refId": "A",
"step": 600
}
],
"title": "Desired Replicas",
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "avg"
},
{
"colorBackground": false,
"colorValue": false,
"colors": [
"rgba(245, 54, 54, 0.9)",
"rgba(237, 129, 40, 0.89)",
"rgba(50, 172, 45, 0.97)"
],
"datasource": "prometheus",
"editable": false,
"format": "none",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"id": 6,
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"span": 3,
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": false
},
"targets": [
{
"expr": "min(kube_statefulset_status_replicas{statefulset=\"$statefulset_name\",namespace=\"$statefulset_namespace\"}) without (instance, pod)",
"intervalFactor": 2,
"refId": "A",
"step": 600
}
],
"title": "Available Replicas",
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "avg"
},
{
"colorBackground": false,
"colorValue": false,
"colors": [
"rgba(245, 54, 54, 0.9)",
"rgba(237, 129, 40, 0.89)",
"rgba(50, 172, 45, 0.97)"
],
"datasource": "prometheus",
"editable": false,
"format": "none",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"id": 3,
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"span": 3,
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": false
},
"targets": [
{
"expr": "max(kube_statefulset_status_observed_generation{statefulset=\"$statefulset_name\",namespace=\"$statefulset_namespace\"}) without (instance, pod)",
"intervalFactor": 2,
"refId": "A",
"step": 600
}
],
"title": "Observed Generation",
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "avg"
},
{
"colorBackground": false,
"colorValue": false,
"colors": [
"rgba(245, 54, 54, 0.9)",
"rgba(237, 129, 40, 0.89)",
"rgba(50, 172, 45, 0.97)"
],
"datasource": "prometheus",
"editable": false,
"format": "none",
"gauge": {
"maxValue": 100,
"minValue": 0,
"show": false,
"thresholdLabels": false,
"thresholdMarkers": true
},
"id": 2,
"links": [],
"mappingType": 1,
"mappingTypes": [
{
"name": "value to text",
"value": 1
},
{
"name": "range to text",
"value": 2
}
],
"maxDataPoints": 100,
"nullPointMode": "connected",
"postfixFontSize": "50%",
"prefix": "",
"prefixFontSize": "50%",
"rangeMaps": [
{
"from": "null",
"text": "N/A",
"to": "null"
}
],
"span": 3,
"sparkline": {
"fillColor": "rgba(31, 118, 189, 0.18)",
"full": false,
"lineColor": "rgb(31, 120, 193)",
"show": false
},
"targets": [
{
"expr": "max(kube_statefulset_metadata_generation{statefulset=\"$statefulset_name\",namespace=\"$statefulset_namespace\"}) without (instance, pod)",
"intervalFactor": 2,
"refId": "A",
"step": 600
}
],
"title": "Metadata Generation",
"type": "singlestat",
"valueFontSize": "80%",
"valueMaps": [
{
"op": "=",
"text": "N/A",
"value": "null"
}
],
"valueName": "avg"
}
],
"showTitle": false,
"title": "Dashboard Row",
"titleSize": "h6"
},
{
"collapse": false,
"editable": false,
"height": "350px",
"panels": [
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "prometheus",
"editable": false,
"error": false,
"fill": 1,
"grid": {
"threshold1Color": "rgba(216, 200, 27, 0.27)",
"threshold2Color": "rgba(234, 112, 112, 0.22)"
},
"id": 1,
"isNew": true,
"legend": {
"alignAsTable": false,
"avg": false,
"current": false,
"hideEmpty": false,
"hideZero": false,
"max": false,
"min": false,
"rightSide": false,
"show": true,
"total": false
},
"lines": true,
"linewidth": 2,
"links": [],
"nullPointMode": "connected",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"span": 12,
"stack": false,
"steppedLine": false,
"targets": [
{
"expr": "min(kube_statefulset_status_replicas{statefulset=\"$statefulset_name\",namespace=\"$statefulset_namespace\"}) without (instance, pod)",
"intervalFactor": 2,
"legendFormat": "available",
"refId": "B",
"step": 30
},
{
"expr": "max(kube_statefulset_replicas{statefulset=\"$statefulset_name\",namespace=\"$statefulset_namespace\"}) without (instance, pod)",
"intervalFactor": 2,
"legendFormat": "desired",
"refId": "E",
"step": 30
}
],
"title": "Replicas",
"tooltip": {
"msResolution": true,
"shared": true,
"sort": 0,
"value_type": "cumulative"
},
"type": "graph",
"xaxis": {
"mode": "time",
"show": true,
"values": []
},
"yaxes": [
{
"format": "none",
"label": "",
"logBase": 1,
"show": true
},
{
"format": "short",
"label": "",
"logBase": 1,
"show": false
}
]
}
],
"showTitle": false,
"title": "Dashboard Row",
"titleSize": "h6"
}
],
"schemaVersion": 14,
"sharedCrosshair": false,
"style": "dark",
"tags": [],
"templating": {
"list": [
{
"allValue": ".*",
"current": {},
"datasource": "prometheus",
"hide": 0,
"includeAll": false,
"label": "Namespace",
"multi": false,
"name": "statefulset_namespace",
"options": [],
"query": "label_values(kube_statefulset_metadata_generation, namespace)",
"refresh": 1,
"regex": "",
"sort": 0,
"tagValuesQuery": null,
"tags": [],
"tagsQuery": "",
"type": "query",
"useTags": false
},
{
"allValue": null,
"current": {},
"datasource": "prometheus",
"hide": 0,
"includeAll": false,
"label": "StatefulSet",
"multi": false,
"name": "statefulset_name",
"options": [],
"query": "label_values(kube_statefulset_metadata_generation{namespace=\"$statefulset_namespace\"}, statefulset)",
"refresh": 1,
"regex": "",
"sort": 0,
"tagValuesQuery": "",
"tags": [],
"tagsQuery": "statefulset",
"type": "query",
"useTags": false
}
]
},
"time": {
"from": "now-6h",
"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": "browser",
"title": "StatefulSet",
"version": 1
}
---

View File

@ -10,7 +10,15 @@ data:
- name: prometheus
type: prometheus
access: proxy
orgId: 1
url: http://prometheus.monitoring.svc.cluster.local
version: 1
editable: false
loki.yaml: |+
apiVersion: 1
datasources:
- name: loki
type: loki
access: proxy
url: http://loki.monitoring.svc.cluster.local
version: 1
editable: false

View File

@ -23,44 +23,60 @@ spec:
spec:
containers:
- name: grafana
image: grafana/grafana:5.4.3
image: grafana/grafana:6.1.6
env:
- name: GF_SERVER_HTTP_PORT
value: "8080"
- name: GF_AUTH_BASIC_ENABLED
value: "false"
- name: GF_AUTH_DISABLE_LOGIN_FORM
value: "true"
- name: GF_AUTH_ANONYMOUS_ENABLED
value: "true"
- name: GF_AUTH_ANONYMOUS_ORG_ROLE
value: Viewer
- name: GF_ANALYTICS_REPORTING_ENABLED
value: "false"
- name: GF_PATHS_CONFIG
value: "/etc/grafana/custom.ini"
ports:
- name: http
containerPort: 8080
livenessProbe:
httpGet:
path: /metrics
port: 8080
initialDelaySeconds: 10
readinessProbe:
httpGet:
path: /api/health
port: 8080
initialDelaySeconds: 10
resources:
requests:
memory: 100Mi
cpu: 100m
memory: 100Mi
limits:
memory: 200Mi
cpu: 200m
memory: 200Mi
volumeMounts:
- name: config
mountPath: /etc/grafana
- name: datasources
mountPath: /etc/grafana/provisioning/datasources
- name: dashboard-providers
- name: providers
mountPath: /etc/grafana/provisioning/dashboards
- name: dashboards
mountPath: /var/lib/grafana/dashboards
- name: dashboards-etcd
mountPath: /etc/grafana/dashboards/etcd
- name: dashboards-k8s
mountPath: /etc/grafana/dashboards/k8s
- name: dashboards-k8s-resources
mountPath: /etc/grafana/dashboards/k8s-resources
volumes:
- name: config
configMap:
name: grafana-config
- name: datasources
configMap:
name: grafana-datasources
- name: dashboard-providers
- name: providers
configMap:
name: grafana-dashboard-providers
- name: dashboards
name: grafana-providers
- name: dashboards-etcd
configMap:
name: grafana-dashboards
name: grafana-dashboards-etcd
- name: dashboards-k8s
configMap:
name: grafana-dashboards-k8s
- name: dashboards-k8s-resources
configMap:
name: grafana-dashboards-k8s-resources

View File

@ -1,10 +1,10 @@
apiVersion: v1
kind: ConfigMap
metadata:
name: grafana-dashboard-providers
name: grafana-providers
namespace: monitoring
data:
dashboard-providers.yaml: |+
providers.yaml: |+
apiVersion: 1
providers:
- name: 'default'
@ -12,4 +12,4 @@ data:
folder: ''
type: file
options:
path: /var/lib/grafana/dashboards
path: /etc/grafana/dashboards

View File

@ -1,12 +0,0 @@
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: heapster
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: heapster
subjects:
- kind: ServiceAccount
name: heapster
namespace: kube-system

View File

@ -1,30 +0,0 @@
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: heapster
rules:
- apiGroups:
- ""
resources:
- events
- namespaces
- nodes
- pods
verbs:
- get
- list
- watch
- apiGroups:
- extensions
resources:
- deployments
verbs:
- get
- list
- watch
- apiGroups:
- ""
resources:
- nodes/stats
verbs:
- get

View File

@ -1,62 +0,0 @@
apiVersion: apps/v1
kind: Deployment
metadata:
name: heapster
namespace: kube-system
spec:
replicas: 1
selector:
matchLabels:
name: heapster
phase: prod
template:
metadata:
labels:
name: heapster
phase: prod
annotations:
seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
spec:
serviceAccountName: heapster
containers:
- name: heapster
image: k8s.gcr.io/heapster-amd64:v1.5.4
command:
- /heapster
- --source=kubernetes.summary_api:''?useServiceAccount=true&kubeletHttps=true&kubeletPort=10250&insecure=true
livenessProbe:
httpGet:
path: /healthz
port: 8082
scheme: HTTP
initialDelaySeconds: 180
timeoutSeconds: 5
- name: heapster-nanny
image: k8s.gcr.io/addon-resizer:1.7
command:
- /pod_nanny
- --cpu=80m
- --extra-cpu=0.5m
- --memory=140Mi
- --extra-memory=4Mi
- --threshold=5
- --deployment=heapster
- --container=heapster
- --poll-period=300000
- --estimator=exponential
env:
- name: MY_POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: MY_POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
resources:
limits:
cpu: 50m
memory: 90Mi
requests:
cpu: 50m
memory: 90Mi

View File

@ -1,13 +0,0 @@
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
name: heapster
namespace: kube-system
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: system:pod-nanny
subjects:
- kind: ServiceAccount
name: heapster
namespace: kube-system

View File

@ -1,19 +0,0 @@
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
name: system:pod-nanny
namespace: kube-system
rules:
- apiGroups:
- ""
resources:
- pods
verbs:
- get
- apiGroups:
- "extensions"
resources:
- deployments
verbs:
- get
- update

View File

@ -1,5 +0,0 @@
apiVersion: v1
kind: ServiceAccount
metadata:
name: heapster
namespace: kube-system

View File

@ -1,12 +0,0 @@
apiVersion: v1
kind: Service
metadata:
name: heapster
namespace: kube-system
spec:
type: ClusterIP
selector:
name: heapster
ports:
- port: 80
targetPort: 8082

View File

@ -1,42 +0,0 @@
apiVersion: apps/v1
kind: Deployment
metadata:
name: default-backend
namespace: ingress
spec:
replicas: 1
selector:
matchLabels:
name: default-backend
phase: prod
template:
metadata:
labels:
name: default-backend
phase: prod
annotations:
seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
spec:
containers:
- name: default-backend
# Any image is permissable as long as:
# 1. It serves a 404 page at /
# 2. It serves 200 on a /healthz endpoint
image: k8s.gcr.io/defaultbackend:1.4
ports:
- containerPort: 8080
resources:
limits:
cpu: 10m
memory: 20Mi
requests:
cpu: 10m
memory: 20Mi
livenessProbe:
httpGet:
path: /healthz
port: 8080
scheme: HTTP
initialDelaySeconds: 30
timeoutSeconds: 5
terminationGracePeriodSeconds: 60

View File

@ -1,15 +0,0 @@
apiVersion: v1
kind: Service
metadata:
name: default-backend
namespace: ingress
spec:
type: ClusterIP
selector:
name: default-backend
phase: prod
ports:
- name: http
protocol: TCP
port: 80
targetPort: 8080

View File

@ -24,10 +24,9 @@ spec:
node-role.kubernetes.io/node: ""
containers:
- name: nginx-ingress-controller
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.22.0
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.24.1
args:
- /nginx-ingress-controller
- --default-backend-service=$(POD_NAMESPACE)/default-backend
- --ingress-class=public
# use downward API
env:
@ -58,7 +57,7 @@ spec:
initialDelaySeconds: 10
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
timeoutSeconds: 5
readinessProbe:
failureThreshold: 3
httpGet:
@ -67,7 +66,7 @@ spec:
scheme: HTTP
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
timeoutSeconds: 5
securityContext:
capabilities:
add:

View File

@ -37,5 +37,3 @@ rules:
- endpoints
verbs:
- get
- create
- update

View File

@ -1,42 +0,0 @@
apiVersion: apps/v1
kind: Deployment
metadata:
name: default-backend
namespace: ingress
spec:
replicas: 1
selector:
matchLabels:
name: default-backend
phase: prod
template:
metadata:
labels:
name: default-backend
phase: prod
annotations:
seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
spec:
containers:
- name: default-backend
# Any image is permissable as long as:
# 1. It serves a 404 page at /
# 2. It serves 200 on a /healthz endpoint
image: k8s.gcr.io/defaultbackend:1.4
ports:
- containerPort: 8080
resources:
limits:
cpu: 10m
memory: 20Mi
requests:
cpu: 10m
memory: 20Mi
livenessProbe:
httpGet:
path: /healthz
port: 8080
scheme: HTTP
initialDelaySeconds: 30
timeoutSeconds: 5
terminationGracePeriodSeconds: 60

View File

@ -1,15 +0,0 @@
apiVersion: v1
kind: Service
metadata:
name: default-backend
namespace: ingress
spec:
type: ClusterIP
selector:
name: default-backend
phase: prod
ports:
- name: http
protocol: TCP
port: 80
targetPort: 8080

View File

@ -24,10 +24,9 @@ spec:
node-role.kubernetes.io/node: ""
containers:
- name: nginx-ingress-controller
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.22.0
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.24.1
args:
- /nginx-ingress-controller
- --default-backend-service=$(POD_NAMESPACE)/default-backend
- --ingress-class=public
# use downward API
env:
@ -58,7 +57,7 @@ spec:
initialDelaySeconds: 10
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
timeoutSeconds: 5
readinessProbe:
failureThreshold: 3
httpGet:
@ -67,7 +66,7 @@ spec:
scheme: HTTP
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
timeoutSeconds: 5
securityContext:
capabilities:
add:

View File

@ -37,5 +37,3 @@ rules:
- endpoints
verbs:
- get
- create
- update

View File

@ -1,42 +0,0 @@
apiVersion: apps/v1
kind: Deployment
metadata:
name: default-backend
namespace: ingress
spec:
replicas: 1
selector:
matchLabels:
name: default-backend
phase: prod
template:
metadata:
labels:
name: default-backend
phase: prod
annotations:
seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
spec:
containers:
- name: default-backend
# Any image is permissable as long as:
# 1. It serves a 404 page at /
# 2. It serves 200 on a /healthz endpoint
image: k8s.gcr.io/defaultbackend:1.4
ports:
- containerPort: 8080
resources:
limits:
cpu: 10m
memory: 20Mi
requests:
cpu: 10m
memory: 20Mi
livenessProbe:
httpGet:
path: /healthz
port: 8080
scheme: HTTP
initialDelaySeconds: 30
timeoutSeconds: 5
terminationGracePeriodSeconds: 60

View File

@ -1,15 +0,0 @@
apiVersion: v1
kind: Service
metadata:
name: default-backend
namespace: ingress
spec:
type: ClusterIP
selector:
name: default-backend
phase: prod
ports:
- name: http
protocol: TCP
port: 80
targetPort: 8080

View File

@ -22,10 +22,9 @@ spec:
spec:
containers:
- name: nginx-ingress-controller
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.22.0
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.24.1
args:
- /nginx-ingress-controller
- --default-backend-service=$(POD_NAMESPACE)/default-backend
- --ingress-class=public
# use downward API
env:
@ -53,7 +52,7 @@ spec:
periodSeconds: 10
successThreshold: 1
failureThreshold: 3
timeoutSeconds: 1
timeoutSeconds: 5
readinessProbe:
httpGet:
path: /healthz
@ -62,7 +61,7 @@ spec:
periodSeconds: 10
successThreshold: 1
failureThreshold: 3
timeoutSeconds: 1
timeoutSeconds: 5
securityContext:
capabilities:
add:

View File

@ -37,5 +37,3 @@ rules:
- endpoints
verbs:
- get
- create
- update

View File

@ -24,10 +24,9 @@ spec:
node-role.kubernetes.io/node: ""
containers:
- name: nginx-ingress-controller
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.22.0
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.24.1
args:
- /nginx-ingress-controller
- --default-backend-service=$(POD_NAMESPACE)/default-backend
- --ingress-class=public
# use downward API
env:
@ -58,7 +57,7 @@ spec:
initialDelaySeconds: 10
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
timeoutSeconds: 5
readinessProbe:
failureThreshold: 3
httpGet:
@ -67,7 +66,7 @@ spec:
scheme: HTTP
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
timeoutSeconds: 5
securityContext:
capabilities:
add:

View File

@ -1,42 +0,0 @@
apiVersion: apps/v1
kind: Deployment
metadata:
name: default-backend
namespace: ingress
spec:
replicas: 1
selector:
matchLabels:
name: default-backend
phase: prod
template:
metadata:
labels:
name: default-backend
phase: prod
annotations:
seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
spec:
containers:
- name: default-backend
# Any image is permissable as long as:
# 1. It serves a 404 page at /
# 2. It serves 200 on a /healthz endpoint
image: k8s.gcr.io/defaultbackend:1.4
ports:
- containerPort: 8080
resources:
limits:
cpu: 10m
memory: 20Mi
requests:
cpu: 10m
memory: 20Mi
livenessProbe:
httpGet:
path: /healthz
port: 8080
scheme: HTTP
initialDelaySeconds: 30
timeoutSeconds: 5
terminationGracePeriodSeconds: 60

View File

@ -1,15 +0,0 @@
apiVersion: v1
kind: Service
metadata:
name: default-backend
namespace: ingress
spec:
type: ClusterIP
selector:
name: default-backend
phase: prod
ports:
- name: http
protocol: TCP
port: 80
targetPort: 8080

View File

@ -37,5 +37,3 @@ rules:
- endpoints
verbs:
- get
- create
- update

View File

@ -1,42 +0,0 @@
apiVersion: apps/v1
kind: Deployment
metadata:
name: default-backend
namespace: ingress
spec:
replicas: 1
selector:
matchLabels:
name: default-backend
phase: prod
template:
metadata:
labels:
name: default-backend
phase: prod
annotations:
seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
spec:
containers:
- name: default-backend
# Any image is permissable as long as:
# 1. It serves a 404 page at /
# 2. It serves 200 on a /healthz endpoint
image: k8s.gcr.io/defaultbackend:1.4
ports:
- containerPort: 8080
resources:
limits:
cpu: 10m
memory: 20Mi
requests:
cpu: 10m
memory: 20Mi
livenessProbe:
httpGet:
path: /healthz
port: 8080
scheme: HTTP
initialDelaySeconds: 30
timeoutSeconds: 5
terminationGracePeriodSeconds: 60

View File

@ -1,15 +0,0 @@
apiVersion: v1
kind: Service
metadata:
name: default-backend
namespace: ingress
spec:
type: ClusterIP
selector:
name: default-backend
phase: prod
ports:
- name: http
protocol: TCP
port: 80
targetPort: 8080

View File

@ -24,10 +24,9 @@ spec:
node-role.kubernetes.io/node: ""
containers:
- name: nginx-ingress-controller
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.22.0
image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.24.1
args:
- /nginx-ingress-controller
- --default-backend-service=$(POD_NAMESPACE)/default-backend
- --ingress-class=public
# use downward API
env:
@ -58,7 +57,7 @@ spec:
initialDelaySeconds: 10
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
timeoutSeconds: 5
readinessProbe:
failureThreshold: 3
httpGet:
@ -67,7 +66,7 @@ spec:
scheme: HTTP
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
timeoutSeconds: 5
securityContext:
capabilities:
add:

View File

@ -37,5 +37,3 @@ rules:
- endpoints
verbs:
- get
- create
- update

View File

@ -55,6 +55,17 @@ data:
action: replace
target_label: job
metric_relabel_configs:
- source_labels: [__name__]
action: drop
regex: etcd_(debugging|disk|request|server).*
- source_labels: [__name__]
action: drop
regex: apiserver_admission_controller_admission_latencies_seconds_.*
- source_labels: [__name__]
action: drop
regex: apiserver_admission_step_admission_latencies_seconds_.*
# 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).
- job_name: 'kubelet'
@ -89,6 +100,13 @@ data:
relabel_configs:
- action: labelmap
regex: __meta_kubernetes_node_label_(.+)
metric_relabel_configs:
- source_labels: [__name__, image]
action: drop
regex: container_([a-z_]+);
- source_labels: [__name__]
action: drop
regex: container_(network_tcp_usage_total|network_udp_usage_total|tasks_state|cpu_load_average_10s)
# Scrap etcd metrics from controllers via listen-metrics-urls
@ -119,10 +137,10 @@ data:
# * `prometheus.io/port`: If the metrics are exposed on a different port to the
# service then set this appropriately.
- job_name: 'kubernetes-service-endpoints'
kubernetes_sd_configs:
- role: endpoints
honor_labels: true
relabel_configs:
- source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scrape]
action: keep
@ -144,10 +162,18 @@ data:
regex: __meta_kubernetes_service_label_(.+)
- source_labels: [__meta_kubernetes_namespace]
action: replace
target_label: kubernetes_namespace
target_label: namespace
- source_labels: [__meta_kubernetes_pod_name]
action: replace
target_label: pod
- source_labels: [__meta_kubernetes_service_name]
action: replace
target_label: job
metric_relabel_configs:
- source_labels: [__name__]
action: drop
regex: etcd_(debugging|disk|request|server).*
# Example scrape config for probing services via the Blackbox Exporter.
#
@ -177,7 +203,7 @@ data:
- action: labelmap
regex: __meta_kubernetes_service_label_(.+)
- source_labels: [__meta_kubernetes_namespace]
target_label: kubernetes_namespace
target_label: namespace
- source_labels: [__meta_kubernetes_service_name]
target_label: job

View File

@ -20,7 +20,7 @@ spec:
serviceAccountName: prometheus
containers:
- name: prometheus
image: quay.io/prometheus/prometheus:v2.7.1
image: quay.io/prometheus/prometheus:v2.9.2
args:
- --web.listen-address=0.0.0.0:9090
- --config.file=/etc/prometheus/prometheus.yaml
@ -28,6 +28,10 @@ spec:
ports:
- name: web
containerPort: 9090
resources:
requests:
cpu: 100m
memory: 200Mi
volumeMounts:
- name: config
mountPath: /etc/prometheus
@ -35,18 +39,18 @@ spec:
mountPath: /etc/prometheus/rules
- name: data
mountPath: /var/lib/prometheus
readinessProbe:
httpGet:
path: /-/ready
port: 9090
initialDelaySeconds: 10
timeoutSeconds: 10
livenessProbe:
httpGet:
path: /-/healthy
port: 9090
initialDelaySeconds: 10
timeoutSeconds: 10
readinessProbe:
httpGet:
path: /-/ready
port: 9090
initialDelaySeconds: 10
timeoutSeconds: 10
terminationGracePeriodSeconds: 30
volumes:
- name: config

View File

@ -27,6 +27,7 @@ rules:
- daemonsets
- deployments
- replicasets
- ingresses
verbs:
- list
- watch
@ -62,3 +63,10 @@ rules:
verbs:
- list
- watch
- apiGroups:
- certificates.k8s.io
resources:
- certificatesigningrequests
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:v1.5.0
image: quay.io/coreos/kube-state-metrics:v1.6.0
ports:
- name: metrics
containerPort: 8080

View File

@ -28,7 +28,7 @@ spec:
hostPID: true
containers:
- name: node-exporter
image: quay.io/prometheus/node-exporter:v0.17.0
image: quay.io/prometheus/node-exporter:v0.18.0
args:
- --path.procfs=/host/proc
- --path.sysfs=/host/sys

View File

@ -0,0 +1,28 @@
# Allow Grafana access and in-cluster Prometheus scraping
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: prometheus
namespace: monitoring
spec:
podSelector:
matchLabels:
name: prometheus
ingress:
- ports:
- protocol: TCP
port: 9090
from:
- namespaceSelector:
matchLabels:
name: monitoring
podSelector:
matchLabels:
name: grafana
- namespaceSelector:
matchLabels:
name: monitoring
podSelector:
matchLabels:
name: prometheus

View File

@ -4,582 +4,1188 @@ metadata:
name: prometheus-rules
namespace: monitoring
data:
alertmanager.rules.yaml: |
groups:
- name: alertmanager.rules
rules:
- alert: AlertmanagerConfigInconsistent
expr: count_values("config_hash", alertmanager_config_hash) BY (service) / ON(service)
GROUP_LEFT() label_replace(prometheus_operator_alertmanager_spec_replicas, "service",
"alertmanager-$1", "alertmanager", "(.*)") != 1
for: 5m
labels:
severity: critical
annotations:
description: The configuration of the instances of the Alertmanager cluster
`{{$labels.service}}` are out of sync.
- alert: AlertmanagerDownOrMissing
expr: label_replace(prometheus_operator_alertmanager_spec_replicas, "job", "alertmanager-$1",
"alertmanager", "(.*)") / ON(job) GROUP_RIGHT() sum(up) BY (job) != 1
for: 5m
labels:
severity: warning
annotations:
description: An unexpected number of Alertmanagers are scraped or Alertmanagers
disappeared from discovery.
- alert: AlertmanagerFailedReload
expr: alertmanager_config_last_reload_successful == 0
for: 10m
labels:
severity: warning
annotations:
description: Reloading Alertmanager's configuration has failed for {{ $labels.namespace
}}/{{ $labels.pod}}.
etcd3.rules.yaml: |
groups:
- name: ./etcd3.rules
rules:
- alert: InsufficientMembers
expr: count(up{job="etcd"} == 0) > (count(up{job="etcd"}) / 2 - 1)
for: 3m
labels:
severity: critical
annotations:
description: If one more etcd member goes down the cluster will be unavailable
summary: etcd cluster insufficient members
- alert: NoLeader
expr: etcd_server_has_leader{job="etcd"} == 0
for: 1m
labels:
severity: critical
annotations:
description: etcd member {{ $labels.instance }} has no leader
summary: etcd member has no leader
- alert: HighNumberOfLeaderChanges
expr: increase(etcd_server_leader_changes_seen_total{job="etcd"}[1h]) > 3
labels:
severity: warning
annotations:
description: etcd instance {{ $labels.instance }} has seen {{ $value }} leader
changes within the last hour
summary: a high number of leader changes within the etcd cluster are happening
- alert: GRPCRequestsSlow
expr: histogram_quantile(0.99, sum(rate(grpc_server_handling_seconds_bucket{job="etcd",grpc_type="unary"}[5m])) by (grpc_service, grpc_method, le))
> 0.15
for: 10m
labels:
severity: critical
annotations:
description: on etcd instance {{ $labels.instance }} gRPC requests to {{ $labels.grpc_method
}} are slow
summary: slow gRPC requests
- alert: HighNumberOfFailedHTTPRequests
expr: sum(rate(etcd_http_failed_total{job="etcd"}[5m])) BY (method) / sum(rate(etcd_http_received_total{job="etcd"}[5m]))
BY (method) > 0.01
for: 10m
labels:
severity: warning
annotations:
description: '{{ $value }}% of requests for {{ $labels.method }} failed on etcd
instance {{ $labels.instance }}'
summary: a high number of HTTP requests are failing
- alert: HighNumberOfFailedHTTPRequests
expr: sum(rate(etcd_http_failed_total{job="etcd"}[5m])) BY (method) / sum(rate(etcd_http_received_total{job="etcd"}[5m]))
BY (method) > 0.05
for: 5m
labels:
severity: critical
annotations:
description: '{{ $value }}% of requests for {{ $labels.method }} failed on etcd
instance {{ $labels.instance }}'
summary: a high number of HTTP requests are failing
- alert: HTTPRequestsSlow
expr: histogram_quantile(0.99, rate(etcd_http_successful_duration_seconds_bucket[5m]))
> 0.15
for: 10m
labels:
severity: warning
annotations:
description: on etcd instance {{ $labels.instance }} HTTP requests to {{ $labels.method
}} are slow
summary: slow HTTP requests
- alert: EtcdMemberCommunicationSlow
expr: histogram_quantile(0.99, rate(etcd_network_peer_round_trip_time_seconds_bucket[5m]))
> 0.15
for: 10m
labels:
severity: warning
annotations:
description: etcd instance {{ $labels.instance }} member communication with
{{ $labels.To }} is slow
summary: etcd member communication is slow
- alert: HighNumberOfFailedProposals
expr: increase(etcd_server_proposals_failed_total{job="etcd"}[1h]) > 5
labels:
severity: warning
annotations:
description: etcd instance {{ $labels.instance }} has seen {{ $value }} proposal
failures within the last hour
summary: a high number of proposals within the etcd cluster are failing
- alert: HighFsyncDurations
expr: histogram_quantile(0.99, rate(etcd_disk_wal_fsync_duration_seconds_bucket[5m]))
> 0.5
for: 10m
labels:
severity: warning
annotations:
description: etcd instance {{ $labels.instance }} fync durations are high
summary: high fsync durations
- alert: HighCommitDurations
expr: histogram_quantile(0.99, rate(etcd_disk_backend_commit_duration_seconds_bucket[5m]))
> 0.25
for: 10m
labels:
severity: warning
annotations:
description: etcd instance {{ $labels.instance }} commit durations are high
summary: high commit durations
general.rules.yaml: |
groups:
- name: general.rules
rules:
- alert: TargetDown
expr: 100 * (count(up == 0) BY (job) / count(up) BY (job)) > 10
for: 10m
labels:
severity: warning
annotations:
description: '{{ $value }}% of {{ $labels.job }} targets are down.'
summary: Targets are down
- record: fd_utilization
expr: process_open_fds / process_max_fds
- alert: FdExhaustionClose
expr: predict_linear(fd_utilization[1h], 3600 * 4) > 1
for: 10m
labels:
severity: warning
annotations:
description: '{{ $labels.job }}: {{ $labels.namespace }}/{{ $labels.pod }} instance
will exhaust in file/socket descriptors within the next 4 hours'
summary: file descriptors soon exhausted
- alert: FdExhaustionClose
expr: predict_linear(fd_utilization[10m], 3600) > 1
for: 10m
labels:
severity: critical
annotations:
description: '{{ $labels.job }}: {{ $labels.namespace }}/{{ $labels.pod }} instance
will exhaust in file/socket descriptors within the next hour'
summary: file descriptors soon exhausted
kube-controller-manager.rules.yaml: |
groups:
- name: kube-controller-manager.rules
rules:
- alert: K8SControllerManagerDown
expr: absent(up{job="kube-controller-manager"} == 1)
for: 5m
labels:
severity: critical
annotations:
description: There is no running K8S controller manager. Deployments and replication
controllers are not making progress.
summary: Controller manager is down
kube-scheduler.rules.yaml: |
groups:
- name: kube-scheduler.rules
rules:
- record: cluster:scheduler_e2e_scheduling_latency_seconds:quantile
expr: histogram_quantile(0.99, sum(scheduler_e2e_scheduling_latency_microseconds_bucket)
BY (le, cluster)) / 1e+06
labels:
quantile: "0.99"
- record: cluster:scheduler_e2e_scheduling_latency_seconds:quantile
expr: histogram_quantile(0.9, sum(scheduler_e2e_scheduling_latency_microseconds_bucket)
BY (le, cluster)) / 1e+06
labels:
quantile: "0.9"
- record: cluster:scheduler_e2e_scheduling_latency_seconds:quantile
expr: histogram_quantile(0.5, sum(scheduler_e2e_scheduling_latency_microseconds_bucket)
BY (le, cluster)) / 1e+06
labels:
quantile: "0.5"
- record: cluster:scheduler_scheduling_algorithm_latency_seconds:quantile
expr: histogram_quantile(0.99, sum(scheduler_scheduling_algorithm_latency_microseconds_bucket)
BY (le, cluster)) / 1e+06
labels:
quantile: "0.99"
- record: cluster:scheduler_scheduling_algorithm_latency_seconds:quantile
expr: histogram_quantile(0.9, sum(scheduler_scheduling_algorithm_latency_microseconds_bucket)
BY (le, cluster)) / 1e+06
labels:
quantile: "0.9"
- record: cluster:scheduler_scheduling_algorithm_latency_seconds:quantile
expr: histogram_quantile(0.5, sum(scheduler_scheduling_algorithm_latency_microseconds_bucket)
BY (le, cluster)) / 1e+06
labels:
quantile: "0.5"
- record: cluster:scheduler_binding_latency_seconds:quantile
expr: histogram_quantile(0.99, sum(scheduler_binding_latency_microseconds_bucket)
BY (le, cluster)) / 1e+06
labels:
quantile: "0.99"
- record: cluster:scheduler_binding_latency_seconds:quantile
expr: histogram_quantile(0.9, sum(scheduler_binding_latency_microseconds_bucket)
BY (le, cluster)) / 1e+06
labels:
quantile: "0.9"
- record: cluster:scheduler_binding_latency_seconds:quantile
expr: histogram_quantile(0.5, sum(scheduler_binding_latency_microseconds_bucket)
BY (le, cluster)) / 1e+06
labels:
quantile: "0.5"
- alert: K8SSchedulerDown
expr: absent(up{job="kube-scheduler"} == 1)
for: 5m
labels:
severity: critical
annotations:
description: There is no running K8S scheduler. New pods are not being assigned
to nodes.
summary: Scheduler is down
kube-state-metrics.rules.yaml: |
groups:
- name: kube-state-metrics.rules
rules:
- alert: DeploymentGenerationMismatch
expr: kube_deployment_status_observed_generation != kube_deployment_metadata_generation
for: 15m
labels:
severity: warning
annotations:
description: Observed deployment generation does not match expected one for
deployment {{$labels.namespaces}}/{{$labels.deployment}}
summary: Deployment is outdated
- alert: DeploymentReplicasNotUpdated
expr: ((kube_deployment_status_replicas_updated != kube_deployment_spec_replicas)
or (kube_deployment_status_replicas_available != kube_deployment_spec_replicas))
unless (kube_deployment_spec_paused == 1)
for: 15m
labels:
severity: warning
annotations:
description: Replicas are not updated and available for deployment {{$labels.namespaces}}/{{$labels.deployment}}
summary: Deployment replicas are outdated
- alert: DaemonSetRolloutStuck
expr: kube_daemonset_status_number_ready / kube_daemonset_status_desired_number_scheduled
* 100 < 100
for: 15m
labels:
severity: warning
annotations:
description: Only {{$value}}% of desired pods scheduled and ready for daemon
set {{$labels.namespaces}}/{{$labels.daemonset}}
summary: DaemonSet is missing pods
- alert: K8SDaemonSetsNotScheduled
expr: kube_daemonset_status_desired_number_scheduled - kube_daemonset_status_current_number_scheduled
> 0
for: 10m
labels:
severity: warning
annotations:
description: A number of daemonsets are not scheduled.
summary: Daemonsets are not scheduled correctly
- alert: DaemonSetsMissScheduled
expr: kube_daemonset_status_number_misscheduled > 0
for: 10m
labels:
severity: warning
annotations:
description: A number of daemonsets are running where they are not supposed
to run.
summary: Daemonsets are not scheduled correctly
- alert: PodFrequentlyRestarting
expr: increase(kube_pod_container_status_restarts_total[1h]) > 5
for: 10m
labels:
severity: warning
annotations:
description: Pod {{$labels.namespaces}}/{{$labels.pod}} restarted {{$value}}
times within the last hour
summary: Pod is restarting frequently
kubelet.rules.yaml: |
groups:
- name: kubelet.rules
rules:
- alert: K8SNodeNotReady
expr: kube_node_status_condition{condition="Ready",status="true"} == 0
for: 1h
labels:
severity: warning
annotations:
description: The Kubelet on {{ $labels.node }} has not checked in with the API,
or has set itself to NotReady, for more than an hour
summary: Node status is NotReady
- alert: K8SManyNodesNotReady
expr: count(kube_node_status_condition{condition="Ready",status="true"} == 0)
> 1 and (count(kube_node_status_condition{condition="Ready",status="true"} ==
0) / count(kube_node_status_condition{condition="Ready",status="true"})) > 0.2
for: 1m
labels:
severity: critical
annotations:
description: '{{ $value }}% of Kubernetes nodes are not ready'
- alert: K8SKubeletDown
expr: count(up{job="kubelet"} == 0) / count(up{job="kubelet"}) * 100 > 3
for: 1h
labels:
severity: warning
annotations:
description: Prometheus failed to scrape {{ $value }}% of kubelets.
- alert: K8SKubeletDown
expr: (absent(up{job="kubelet"} == 1) or count(up{job="kubelet"} == 0) / count(up{job="kubelet"}))
* 100 > 10
for: 1h
labels:
severity: critical
annotations:
description: Prometheus failed to scrape {{ $value }}% of kubelets, or all Kubelets
have disappeared from service discovery.
summary: Many Kubelets cannot be scraped
- alert: K8SKubeletTooManyPods
expr: kubelet_running_pod_count > 100
for: 10m
labels:
severity: warning
annotations:
description: Kubelet {{$labels.instance}} is running {{$value}} pods, close
to the limit of 110
summary: Kubelet is close to pod limit
kubernetes.rules.yaml: |
groups:
- name: kubernetes.rules
rules:
- record: pod_name:container_memory_usage_bytes:sum
expr: sum(container_memory_usage_bytes{container_name!="POD",pod_name!=""}) BY
(pod_name)
- record: pod_name:container_spec_cpu_shares:sum
expr: sum(container_spec_cpu_shares{container_name!="POD",pod_name!=""}) BY (pod_name)
- record: pod_name:container_cpu_usage:sum
expr: sum(rate(container_cpu_usage_seconds_total{container_name!="POD",pod_name!=""}[5m]))
BY (pod_name)
- record: pod_name:container_fs_usage_bytes:sum
expr: sum(container_fs_usage_bytes{container_name!="POD",pod_name!=""}) BY (pod_name)
- record: namespace:container_memory_usage_bytes:sum
expr: sum(container_memory_usage_bytes{container_name!=""}) BY (namespace)
- record: namespace:container_spec_cpu_shares:sum
expr: sum(container_spec_cpu_shares{container_name!=""}) BY (namespace)
- record: namespace:container_cpu_usage:sum
expr: sum(rate(container_cpu_usage_seconds_total{container_name!="POD"}[5m]))
BY (namespace)
- record: cluster:memory_usage:ratio
expr: sum(container_memory_usage_bytes{container_name!="POD",pod_name!=""}) BY
(cluster) / sum(machine_memory_bytes) BY (cluster)
- record: cluster:container_spec_cpu_shares:ratio
expr: sum(container_spec_cpu_shares{container_name!="POD",pod_name!=""}) / 1000
/ sum(machine_cpu_cores)
- record: cluster:container_cpu_usage:ratio
expr: sum(rate(container_cpu_usage_seconds_total{container_name!="POD",pod_name!=""}[5m]))
/ sum(machine_cpu_cores)
- record: apiserver_latency_seconds:quantile
expr: histogram_quantile(0.99, rate(apiserver_request_latencies_bucket[5m])) /
1e+06
labels:
quantile: "0.99"
- record: apiserver_latency:quantile_seconds
expr: histogram_quantile(0.9, rate(apiserver_request_latencies_bucket[5m])) /
1e+06
labels:
quantile: "0.9"
- record: apiserver_latency_seconds:quantile
expr: histogram_quantile(0.5, rate(apiserver_request_latencies_bucket[5m])) /
1e+06
labels:
quantile: "0.5"
- alert: APIServerLatencyHigh
expr: apiserver_latency_seconds:quantile{quantile="0.99",subresource!="log",verb!~"^(?:WATCH|WATCHLIST|PROXY|CONNECT)$"}
> 1
for: 10m
labels:
severity: warning
annotations:
description: the API server has a 99th percentile latency of {{ $value }} seconds
for {{$labels.verb}} {{$labels.resource}}
- alert: APIServerLatencyHigh
expr: apiserver_latency_seconds:quantile{quantile="0.99",subresource!="log",verb!~"^(?:WATCH|WATCHLIST|PROXY|CONNECT)$"}
> 4
for: 10m
labels:
severity: critical
annotations:
description: the API server has a 99th percentile latency of {{ $value }} seconds
for {{$labels.verb}} {{$labels.resource}}
- alert: APIServerErrorsHigh
expr: rate(apiserver_request_count{code=~"^(?:5..)$"}[5m]) / rate(apiserver_request_count[5m])
* 100 > 2
for: 10m
labels:
severity: warning
annotations:
description: API server returns errors for {{ $value }}% of requests
- alert: APIServerErrorsHigh
expr: rate(apiserver_request_count{code=~"^(?:5..)$"}[5m]) / rate(apiserver_request_count[5m])
* 100 > 5
for: 10m
labels:
severity: critical
annotations:
description: API server returns errors for {{ $value }}% of requests
- alert: K8SApiserverDown
expr: absent(up{job="apiserver"} == 1)
for: 20m
labels:
severity: critical
annotations:
description: No API servers are reachable or all have disappeared from service
discovery
- alert: K8sCertificateExpirationNotice
labels:
severity: warning
annotations:
description: Kubernetes API Certificate is expiring soon (less than 7 days)
expr: sum(apiserver_client_certificate_expiration_seconds_bucket{le="604800"}) > 0
- alert: K8sCertificateExpirationNotice
labels:
severity: critical
annotations:
description: Kubernetes API Certificate is expiring in less than 1 day
expr: sum(apiserver_client_certificate_expiration_seconds_bucket{le="86400"}) > 0
node.rules.yaml: |
groups:
- name: node.rules
rules:
- record: instance:node_cpu:rate:sum
expr: sum(rate(node_cpu_seconds_total{mode!="idle",mode!="iowait",mode!~"^(?:guest.*)$"}[3m]))
BY (instance)
- record: instance:node_filesystem_usage:sum
expr: sum((node_filesystem_size_bytes{mountpoint="/"} - node_filesystem_free_bytes{mountpoint="/"}))
BY (instance)
- record: instance:node_network_receive_bytes:rate:sum
expr: sum(rate(node_network_receive_bytes_total[3m])) BY (instance)
- record: instance:node_network_transmit_bytes:rate:sum
expr: sum(rate(node_network_transmit_bytes_total[3m])) BY (instance)
- record: instance:node_cpu:ratio
expr: sum(rate(node_cpu_seconds_total{mode!="idle"}[5m])) WITHOUT (cpu, mode) / ON(instance)
GROUP_LEFT() count(sum(node_cpu_seconds_total) BY (instance, cpu)) BY (instance)
- record: cluster:node_cpu:sum_rate5m
expr: sum(rate(node_cpu_seconds_total{mode!="idle"}[5m]))
- record: cluster:node_cpu:ratio
expr: cluster:node_cpu:sum_rate5m / count(sum(node_cpu_seconds_total) BY (instance, cpu))
- alert: NodeExporterDown
expr: absent(up{job="node-exporter"} == 1)
for: 10m
labels:
severity: warning
annotations:
description: Prometheus could not scrape a node-exporter for more than 10m,
or node-exporters have disappeared from discovery
- alert: NodeDiskRunningFull
expr: predict_linear(node_filesystem_free_bytes[6h], 3600 * 24) < 0
for: 30m
labels:
severity: warning
annotations:
description: device {{$labels.device}} on node {{$labels.instance}} is running
full within the next 24 hours (mounted at {{$labels.mountpoint}})
- alert: NodeDiskRunningFull
expr: predict_linear(node_filesystem_free_bytes[30m], 3600 * 2) < 0
for: 10m
labels:
severity: critical
annotations:
description: device {{$labels.device}} on node {{$labels.instance}} is running
full within the next 2 hours (mounted at {{$labels.mountpoint}})
- alert: InactiveRAIDDisk
expr: node_md_disks - node_md_disks_active > 0
for: 10m
labels:
severity: warning
annotations:
description: '{{$value}} RAID disk(s) on node {{$labels.instance}} are inactive'
prometheus.rules.yaml: |
groups:
- name: prometheus.rules
rules:
- alert: PrometheusConfigReloadFailed
expr: prometheus_config_last_reload_successful == 0
for: 10m
labels:
severity: warning
annotations:
description: Reloading Prometheus' configuration has failed for {{$labels.namespace}}/{{$labels.pod}}
- alert: PrometheusNotificationQueueRunningFull
expr: predict_linear(prometheus_notifications_queue_length[5m], 60 * 30) > prometheus_notifications_queue_capacity
for: 10m
labels:
severity: warning
annotations:
description: Prometheus' alert notification queue is running full for {{$labels.namespace}}/{{
$labels.pod}}
- alert: PrometheusErrorSendingAlerts
expr: rate(prometheus_notifications_errors_total[5m]) / rate(prometheus_notifications_sent_total[5m])
> 0.01
for: 10m
labels:
severity: warning
annotations:
description: Errors while sending alerts from Prometheus {{$labels.namespace}}/{{
$labels.pod}} to Alertmanager {{$labels.Alertmanager}}
- alert: PrometheusErrorSendingAlerts
expr: rate(prometheus_notifications_errors_total[5m]) / rate(prometheus_notifications_sent_total[5m])
> 0.03
for: 10m
labels:
severity: critical
annotations:
description: Errors while sending alerts from Prometheus {{$labels.namespace}}/{{
$labels.pod}} to Alertmanager {{$labels.Alertmanager}}
- alert: PrometheusNotConnectedToAlertmanagers
expr: prometheus_notifications_alertmanagers_discovered < 1
for: 10m
labels:
severity: warning
annotations:
description: Prometheus {{ $labels.namespace }}/{{ $labels.pod}} is not connected
to any Alertmanagers
- alert: PrometheusTSDBReloadsFailing
expr: increase(prometheus_tsdb_reloads_failures_total[2h]) > 0
for: 12h
labels:
severity: warning
annotations:
description: '{{$labels.job}} at {{$labels.instance}} had {{$value | humanize}}
reload failures over the last four hours.'
summary: Prometheus has issues reloading data blocks from disk
- alert: PrometheusTSDBCompactionsFailing
expr: increase(prometheus_tsdb_compactions_failed_total[2h]) > 0
for: 12h
labels:
severity: warning
annotations:
description: '{{$labels.job}} at {{$labels.instance}} had {{$value | humanize}}
compaction failures over the last four hours.'
summary: Prometheus has issues compacting sample blocks
- alert: PrometheusTSDBWALCorruptions
expr: tsdb_wal_corruptions_total > 0
for: 4h
labels:
severity: warning
annotations:
description: '{{$labels.job}} at {{$labels.instance}} has a corrupted write-ahead
log (WAL).'
summary: Prometheus write-ahead log is corrupted
- alert: PrometheusNotIngestingSamples
expr: rate(prometheus_tsdb_head_samples_appended_total[5m]) <= 0
for: 10m
labels:
severity: warning
annotations:
description: "Prometheus {{ $labels.namespace }}/{{ $labels.pod}} isn't ingesting samples."
summary: "Prometheus isn't ingesting samples"
etcd.yaml: |-
{
"groups": [
{
"name": "etcd",
"rules": [
{
"alert": "etcdInsufficientMembers",
"annotations": {
"message": "etcd cluster \"{{ $labels.job }}\": insufficient members ({{ $value }})."
},
"expr": "sum(up{job=~\".*etcd.*\"} == bool 1) by (job) < ((count(up{job=~\".*etcd.*\"}) by (job) + 1) / 2)\n",
"for": "3m",
"labels": {
"severity": "critical"
}
},
{
"alert": "etcdNoLeader",
"annotations": {
"message": "etcd cluster \"{{ $labels.job }}\": member {{ $labels.instance }} has no leader."
},
"expr": "etcd_server_has_leader{job=~\".*etcd.*\"} == 0\n",
"for": "1m",
"labels": {
"severity": "critical"
}
},
{
"alert": "etcdHighNumberOfLeaderChanges",
"annotations": {
"message": "etcd cluster \"{{ $labels.job }}\": instance {{ $labels.instance }} has seen {{ $value }} leader changes within the last 30 minutes."
},
"expr": "rate(etcd_server_leader_changes_seen_total{job=~\".*etcd.*\"}[15m]) > 3\n",
"for": "15m",
"labels": {
"severity": "warning"
}
},
{
"alert": "etcdGRPCRequestsSlow",
"annotations": {
"message": "etcd cluster \"{{ $labels.job }}\": gRPC requests to {{ $labels.grpc_method }} are taking {{ $value }}s on etcd instance {{ $labels.instance }}."
},
"expr": "histogram_quantile(0.99, sum(rate(grpc_server_handling_seconds_bucket{job=~\".*etcd.*\", grpc_type=\"unary\"}[5m])) by (job, instance, grpc_service, grpc_method, le))\n> 0.15\n",
"for": "10m",
"labels": {
"severity": "critical"
}
},
{
"alert": "etcdMemberCommunicationSlow",
"annotations": {
"message": "etcd cluster \"{{ $labels.job }}\": member communication with {{ $labels.To }} is taking {{ $value }}s on etcd instance {{ $labels.instance }}."
},
"expr": "histogram_quantile(0.99, rate(etcd_network_peer_round_trip_time_seconds_bucket{job=~\".*etcd.*\"}[5m]))\n> 0.15\n",
"for": "10m",
"labels": {
"severity": "warning"
}
},
{
"alert": "etcdHighNumberOfFailedProposals",
"annotations": {
"message": "etcd cluster \"{{ $labels.job }}\": {{ $value }} proposal failures within the last 30 minutes on etcd instance {{ $labels.instance }}."
},
"expr": "rate(etcd_server_proposals_failed_total{job=~\".*etcd.*\"}[15m]) > 5\n",
"for": "15m",
"labels": {
"severity": "warning"
}
},
{
"alert": "etcdHighFsyncDurations",
"annotations": {
"message": "etcd cluster \"{{ $labels.job }}\": 99th percentile fync durations are {{ $value }}s on etcd instance {{ $labels.instance }}."
},
"expr": "histogram_quantile(0.99, rate(etcd_disk_wal_fsync_duration_seconds_bucket{job=~\".*etcd.*\"}[5m]))\n> 0.5\n",
"for": "10m",
"labels": {
"severity": "warning"
}
},
{
"alert": "etcdHighCommitDurations",
"annotations": {
"message": "etcd cluster \"{{ $labels.job }}\": 99th percentile commit durations {{ $value }}s on etcd instance {{ $labels.instance }}."
},
"expr": "histogram_quantile(0.99, rate(etcd_disk_backend_commit_duration_seconds_bucket{job=~\".*etcd.*\"}[5m]))\n> 0.25\n",
"for": "10m",
"labels": {
"severity": "warning"
}
},
{
"alert": "etcdHighNumberOfFailedHTTPRequests",
"annotations": {
"message": "{{ $value }}% of requests for {{ $labels.method }} failed on etcd instance {{ $labels.instance }}"
},
"expr": "sum(rate(etcd_http_failed_total{job=~\".*etcd.*\", code!=\"404\"}[5m])) BY (method) / sum(rate(etcd_http_received_total{job=~\".*etcd.*\"}[5m]))\nBY (method) > 0.01\n",
"for": "10m",
"labels": {
"severity": "warning"
}
},
{
"alert": "etcdHighNumberOfFailedHTTPRequests",
"annotations": {
"message": "{{ $value }}% of requests for {{ $labels.method }} failed on etcd instance {{ $labels.instance }}."
},
"expr": "sum(rate(etcd_http_failed_total{job=~\".*etcd.*\", code!=\"404\"}[5m])) BY (method) / sum(rate(etcd_http_received_total{job=~\".*etcd.*\"}[5m]))\nBY (method) > 0.05\n",
"for": "10m",
"labels": {
"severity": "critical"
}
},
{
"alert": "etcdHTTPRequestsSlow",
"annotations": {
"message": "etcd instance {{ $labels.instance }} HTTP requests to {{ $labels.method }} are slow."
},
"expr": "histogram_quantile(0.99, rate(etcd_http_successful_duration_seconds_bucket[5m]))\n> 0.15\n",
"for": "10m",
"labels": {
"severity": "warning"
}
}
]
}
]
}
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": "k8s.rules",
"rules": [
{
"expr": "sum(rate(container_cpu_usage_seconds_total{job=\"kubernetes-cadvisor\", image!=\"\", container_name!=\"\"}[5m])) by (namespace)\n",
"record": "namespace:container_cpu_usage_seconds_total:sum_rate"
},
{
"expr": "sum by (namespace, pod_name, container_name) (\n rate(container_cpu_usage_seconds_total{job=\"kubernetes-cadvisor\", image!=\"\", container_name!=\"\"}[5m])\n)\n",
"record": "namespace_pod_name_container_name:container_cpu_usage_seconds_total:sum_rate"
},
{
"expr": "sum(container_memory_usage_bytes{job=\"kubernetes-cadvisor\", image!=\"\", container_name!=\"\"}) 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_name!=\"\"}[5m])) by (namespace, pod_name)\n * on (namespace, pod_name) group_left(label_name)\n label_replace(kube_pod_labels{job=\"kube-state-metrics\"}, \"pod_name\", \"$1\", \"pod\", \"(.*)\")\n)\n",
"record": "namespace_name:container_cpu_usage_seconds_total:sum_rate"
},
{
"expr": "sum by (namespace, label_name) (\n sum(container_memory_usage_bytes{job=\"kubernetes-cadvisor\",image!=\"\", container_name!=\"\"}) by (pod_name, namespace)\n* on (namespace, pod_name) group_left(label_name)\n label_replace(kube_pod_labels{job=\"kube-state-metrics\"}, \"pod_name\", \"$1\", \"pod\", \"(.*)\")\n)\n",
"record": "namespace_name:container_memory_usage_bytes:sum"
},
{
"expr": "sum by (namespace, label_name) (\n sum(kube_pod_container_resource_requests_memory_bytes{job=\"kube-state-metrics\"} * on (endpoint, instance, job, namespace, pod, service) group_left(phase) (kube_pod_status_phase{phase=~\"^(Pending|Running)$\"} == 1)) by (namespace, pod)\n* on (namespace, pod) group_left(label_name)\n label_replace(kube_pod_labels{job=\"kube-state-metrics\"}, \"pod_name\", \"$1\", \"pod\", \"(.*)\")\n)\n",
"record": "namespace_name:kube_pod_container_resource_requests_memory_bytes:sum"
},
{
"expr": "sum by (namespace, label_name) (\n sum(kube_pod_container_resource_requests_cpu_cores{job=\"kube-state-metrics\"} * on (endpoint, instance, job, namespace, pod, service) group_left(phase) (kube_pod_status_phase{phase=~\"^(Pending|Running)$\"} == 1)) by (namespace, pod)\n* on (namespace, pod) group_left(label_name)\n label_replace(kube_pod_labels{job=\"kube-state-metrics\"}, \"pod_name\", \"$1\", \"pod\", \"(.*)\")\n)\n",
"record": "namespace_name:kube_pod_container_resource_requests_cpu_cores:sum"
},
{
"expr": "sum(\n label_replace(\n label_replace(\n kube_pod_owner{job=\"kube-state-metrics\", owner_kind=\"ReplicaSet\"},\n \"replicaset\", \"$1\", \"owner_name\", \"(.*)\"\n ) * on(replicaset, namespace) group_left(owner_name) kube_replicaset_owner{job=\"kube-state-metrics\"},\n \"workload\", \"$1\", \"owner_name\", \"(.*)\"\n )\n) by (namespace, workload, pod)\n",
"labels": {
"workload_type": "deployment"
},
"record": "mixin_pod_workload"
},
{
"expr": "sum(\n label_replace(\n kube_pod_owner{job=\"kube-state-metrics\", owner_kind=\"DaemonSet\"},\n \"workload\", \"$1\", \"owner_name\", \"(.*)\"\n )\n) by (namespace, workload, pod)\n",
"labels": {
"workload_type": "daemonset"
},
"record": "mixin_pod_workload"
},
{
"expr": "sum(\n label_replace(\n kube_pod_owner{job=\"kube-state-metrics\", owner_kind=\"StatefulSet\"},\n \"workload\", \"$1\", \"owner_name\", \"(.*)\"\n )\n) by (namespace, workload, pod)\n",
"labels": {
"workload_type": "statefulset"
},
"record": "mixin_pod_workload"
}
]
},
{
"name": "kube-scheduler.rules",
"rules": [
{
"expr": "histogram_quantile(0.99, sum(rate(scheduler_e2e_scheduling_latency_microseconds_bucket{job=\"kube-scheduler\"}[5m])) without(instance, pod)) / 1e+06\n",
"labels": {
"quantile": "0.99"
},
"record": "cluster_quantile:scheduler_e2e_scheduling_latency:histogram_quantile"
},
{
"expr": "histogram_quantile(0.99, sum(rate(scheduler_scheduling_algorithm_latency_microseconds_bucket{job=\"kube-scheduler\"}[5m])) without(instance, pod)) / 1e+06\n",
"labels": {
"quantile": "0.99"
},
"record": "cluster_quantile:scheduler_scheduling_algorithm_latency:histogram_quantile"
},
{
"expr": "histogram_quantile(0.99, sum(rate(scheduler_binding_latency_microseconds_bucket{job=\"kube-scheduler\"}[5m])) without(instance, pod)) / 1e+06\n",
"labels": {
"quantile": "0.99"
},
"record": "cluster_quantile:scheduler_binding_latency:histogram_quantile"
},
{
"expr": "histogram_quantile(0.9, sum(rate(scheduler_e2e_scheduling_latency_microseconds_bucket{job=\"kube-scheduler\"}[5m])) without(instance, pod)) / 1e+06\n",
"labels": {
"quantile": "0.9"
},
"record": "cluster_quantile:scheduler_e2e_scheduling_latency:histogram_quantile"
},
{
"expr": "histogram_quantile(0.9, sum(rate(scheduler_scheduling_algorithm_latency_microseconds_bucket{job=\"kube-scheduler\"}[5m])) without(instance, pod)) / 1e+06\n",
"labels": {
"quantile": "0.9"
},
"record": "cluster_quantile:scheduler_scheduling_algorithm_latency:histogram_quantile"
},
{
"expr": "histogram_quantile(0.9, sum(rate(scheduler_binding_latency_microseconds_bucket{job=\"kube-scheduler\"}[5m])) without(instance, pod)) / 1e+06\n",
"labels": {
"quantile": "0.9"
},
"record": "cluster_quantile:scheduler_binding_latency:histogram_quantile"
},
{
"expr": "histogram_quantile(0.5, sum(rate(scheduler_e2e_scheduling_latency_microseconds_bucket{job=\"kube-scheduler\"}[5m])) without(instance, pod)) / 1e+06\n",
"labels": {
"quantile": "0.5"
},
"record": "cluster_quantile:scheduler_e2e_scheduling_latency:histogram_quantile"
},
{
"expr": "histogram_quantile(0.5, sum(rate(scheduler_scheduling_algorithm_latency_microseconds_bucket{job=\"kube-scheduler\"}[5m])) without(instance, pod)) / 1e+06\n",
"labels": {
"quantile": "0.5"
},
"record": "cluster_quantile:scheduler_scheduling_algorithm_latency:histogram_quantile"
},
{
"expr": "histogram_quantile(0.5, sum(rate(scheduler_binding_latency_microseconds_bucket{job=\"kube-scheduler\"}[5m])) without(instance, pod)) / 1e+06\n",
"labels": {
"quantile": "0.5"
},
"record": "cluster_quantile:scheduler_binding_latency:histogram_quantile"
}
]
},
{
"name": "kube-apiserver.rules",
"rules": [
{
"expr": "histogram_quantile(0.99, sum(rate(apiserver_request_latencies_bucket{job=\"apiserver\"}[5m])) without(instance, pod)) / 1e+06\n",
"labels": {
"quantile": "0.99"
},
"record": "cluster_quantile:apiserver_request_latencies:histogram_quantile"
},
{
"expr": "histogram_quantile(0.9, sum(rate(apiserver_request_latencies_bucket{job=\"apiserver\"}[5m])) without(instance, pod)) / 1e+06\n",
"labels": {
"quantile": "0.9"
},
"record": "cluster_quantile:apiserver_request_latencies:histogram_quantile"
},
{
"expr": "histogram_quantile(0.5, sum(rate(apiserver_request_latencies_bucket{job=\"apiserver\"}[5m])) without(instance, pod)) / 1e+06\n",
"labels": {
"quantile": "0.5"
},
"record": "cluster_quantile:apiserver_request_latencies:histogram_quantile"
}
]
},
{
"name": "node.rules",
"rules": [
{
"expr": "sum(min(kube_pod_info) by (node))",
"record": ":kube_pod_info_node_count:"
},
{
"expr": "max(label_replace(kube_pod_info{job=\"kube-state-metrics\"}, \"pod\", \"$1\", \"pod\", \"(.*)\")) by (node, namespace, pod)\n",
"record": "node_namespace_pod:kube_pod_info:"
},
{
"expr": "count by (node) (sum by (node, cpu) (\n node_cpu_seconds_total{job=\"node-exporter\"}\n* on (namespace, pod) group_left(node)\n node_namespace_pod:kube_pod_info:\n))\n",
"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 (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 (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"
}
}
]
},
{
"name": "kubernetes-apps",
"rules": [
{
"alert": "KubePodCrashLooping",
"annotations": {
"message": "Pod {{ $labels.namespace }}/{{ $labels.pod }} ({{ $labels.container }}) is restarting {{ printf \"%.2f\" $value }} times / 5 minutes.",
"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",
"labels": {
"severity": "critical"
}
},
{
"alert": "KubePodNotReady",
"annotations": {
"message": "Pod {{ $labels.namespace }}/{{ $labels.pod }} has been in a non-ready state for longer than an hour.",
"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=~\"Pending|Unknown\"}) > 0\n",
"for": "1h",
"labels": {
"severity": "critical"
}
},
{
"alert": "KubeDeploymentGenerationMismatch",
"annotations": {
"message": "Deployment generation for {{ $labels.namespace }}/{{ $labels.deployment }} does not match, this indicates that the Deployment has failed but has not been rolled back.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubedeploymentgenerationmismatch"
},
"expr": "kube_deployment_status_observed_generation{job=\"kube-state-metrics\"}\n !=\nkube_deployment_metadata_generation{job=\"kube-state-metrics\"}\n",
"for": "15m",
"labels": {
"severity": "critical"
}
},
{
"alert": "KubeDeploymentReplicasMismatch",
"annotations": {
"message": "Deployment {{ $labels.namespace }}/{{ $labels.deployment }} has not matched the expected number of replicas for longer than an hour.",
"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",
"labels": {
"severity": "critical"
}
},
{
"alert": "KubeStatefulSetReplicasMismatch",
"annotations": {
"message": "StatefulSet {{ $labels.namespace }}/{{ $labels.statefulset }} 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-kubestatefulsetreplicasmismatch"
},
"expr": "kube_statefulset_status_replicas_ready{job=\"kube-state-metrics\"}\n !=\nkube_statefulset_status_replicas{job=\"kube-state-metrics\"}\n",
"for": "15m",
"labels": {
"severity": "critical"
}
},
{
"alert": "KubeStatefulSetGenerationMismatch",
"annotations": {
"message": "StatefulSet generation for {{ $labels.namespace }}/{{ $labels.statefulset }} does not match, this indicates that the StatefulSet has failed but has not been rolled back.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubestatefulsetgenerationmismatch"
},
"expr": "kube_statefulset_status_observed_generation{job=\"kube-state-metrics\"}\n !=\nkube_statefulset_metadata_generation{job=\"kube-state-metrics\"}\n",
"for": "15m",
"labels": {
"severity": "critical"
}
},
{
"alert": "KubeStatefulSetUpdateNotRolledOut",
"annotations": {
"message": "StatefulSet {{ $labels.namespace }}/{{ $labels.statefulset }} update has not been rolled out.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubestatefulsetupdatenotrolledout"
},
"expr": "max without (revision) (\n kube_statefulset_status_current_revision{job=\"kube-state-metrics\"}\n unless\n kube_statefulset_status_update_revision{job=\"kube-state-metrics\"}\n)\n *\n(\n kube_statefulset_replicas{job=\"kube-state-metrics\"}\n !=\n kube_statefulset_status_replicas_updated{job=\"kube-state-metrics\"}\n)\n",
"for": "15m",
"labels": {
"severity": "critical"
}
},
{
"alert": "KubeDaemonSetRolloutStuck",
"annotations": {
"message": "Only {{ $value }}% 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",
"for": "15m",
"labels": {
"severity": "critical"
}
},
{
"alert": "KubeDaemonSetNotScheduled",
"annotations": {
"message": "{{ $value }} Pods of DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset }} are not scheduled.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubedaemonsetnotscheduled"
},
"expr": "kube_daemonset_status_desired_number_scheduled{job=\"kube-state-metrics\"}\n -\nkube_daemonset_status_current_number_scheduled{job=\"kube-state-metrics\"} > 0\n",
"for": "10m",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeDaemonSetMisScheduled",
"annotations": {
"message": "{{ $value }} Pods of DaemonSet {{ $labels.namespace }}/{{ $labels.daemonset }} are running where they are not supposed to run.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubedaemonsetmisscheduled"
},
"expr": "kube_daemonset_status_number_misscheduled{job=\"kube-state-metrics\"} > 0\n",
"for": "10m",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeCronJobRunning",
"annotations": {
"message": "CronJob {{ $labels.namespace }}/{{ $labels.cronjob }} is taking more than 1h to complete.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubecronjobrunning"
},
"expr": "time() - kube_cronjob_next_schedule_time{job=\"kube-state-metrics\"} > 3600\n",
"for": "1h",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeJobCompletion",
"annotations": {
"message": "Job {{ $labels.namespace }}/{{ $labels.job_name }} is taking more than one hour to complete.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubejobcompletion"
},
"expr": "kube_job_spec_completions{job=\"kube-state-metrics\"} - kube_job_status_succeeded{job=\"kube-state-metrics\"} > 0\n",
"for": "1h",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeJobFailed",
"annotations": {
"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",
"labels": {
"severity": "warning"
}
}
]
},
{
"name": "kubernetes-resources",
"rules": [
{
"alert": "KubeCPUOvercommit",
"annotations": {
"message": "Cluster has overcommitted CPU resource requests for Pods and cannot tolerate node failure.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubecpuovercommit"
},
"expr": "sum(namespace_name:kube_pod_container_resource_requests_cpu_cores:sum)\n /\nsum(node:node_num_cpu:sum)\n >\n(count(node:node_num_cpu:sum)-1) / count(node:node_num_cpu:sum)\n",
"for": "5m",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeMemOvercommit",
"annotations": {
"message": "Cluster has overcommitted memory resource requests for Pods and cannot tolerate node failure.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubememovercommit"
},
"expr": "sum(namespace_name:kube_pod_container_resource_requests_memory_bytes:sum)\n /\nsum(node_memory_MemTotal_bytes)\n >\n(count(node:node_num_cpu:sum)-1)\n /\ncount(node:node_num_cpu:sum)\n",
"for": "5m",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeCPUOvercommit",
"annotations": {
"message": "Cluster has overcommitted CPU resource requests for Namespaces.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubecpuovercommit"
},
"expr": "sum(kube_resourcequota{job=\"kube-state-metrics\", type=\"hard\", resource=\"cpu\"})\n /\nsum(node:node_num_cpu:sum)\n > 1.5\n",
"for": "5m",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeMemOvercommit",
"annotations": {
"message": "Cluster has overcommitted memory resource requests for Namespaces.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubememovercommit"
},
"expr": "sum(kube_resourcequota{job=\"kube-state-metrics\", type=\"hard\", resource=\"memory\"})\n /\nsum(node_memory_MemTotal_bytes{job=\"node-exporter\"})\n > 1.5\n",
"for": "5m",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeQuotaExceeded",
"annotations": {
"message": "Namespace {{ $labels.namespace }} is using {{ printf \"%0.0f\" $value }}% 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",
"for": "15m",
"labels": {
"severity": "warning"
}
},
{
"alert": "CPUThrottlingHigh",
"annotations": {
"message": "{{ printf \"%0.0f\" $value }}% throttling of CPU in namespace {{ $labels.namespace }} for container {{ $labels.container_name }} in pod {{ $labels.pod_name }}.",
"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_name!=\"\", }[5m])) by (container_name, pod_name, namespace)\n /\nsum(increase(container_cpu_cfs_periods_total{}[5m])) by (container_name, pod_name, namespace)\n > 100 \n",
"for": "15m",
"labels": {
"severity": "warning"
}
}
]
},
{
"name": "kubernetes-storage",
"rules": [
{
"alert": "KubePersistentVolumeUsageCritical",
"annotations": {
"message": "The PersistentVolume claimed by {{ $labels.persistentvolumeclaim }} in Namespace {{ $labels.namespace }} is only {{ printf \"%0.2f\" $value }}% 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",
"for": "1m",
"labels": {
"severity": "critical"
}
},
{
"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.",
"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",
"for": "5m",
"labels": {
"severity": "critical"
}
},
{
"alert": "KubePersistentVolumeErrors",
"annotations": {
"message": "The persistent volume {{ $labels.persistentvolume }} has status {{ $labels.phase }}.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubepersistentvolumeerrors"
},
"expr": "kube_persistentvolume_status_phase{phase=~\"Failed|Pending\",job=\"kube-state-metrics\"} > 0\n",
"for": "5m",
"labels": {
"severity": "critical"
}
}
]
},
{
"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",
"for": "15m",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeClientErrors",
"annotations": {
"message": "Kubernetes API server client '{{ $labels.job }}/{{ $labels.instance }}' is experiencing {{ printf \"%0.0f\" $value }} errors / second.",
"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",
"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"
}
},
{
"alert": "KubeAPILatencyHigh",
"annotations": {
"message": "The API server has a 99th percentile latency of {{ $value }} seconds for {{ $labels.verb }} {{ $labels.resource }}.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapilatencyhigh"
},
"expr": "cluster_quantile:apiserver_request_latencies:histogram_quantile{job=\"apiserver\",quantile=\"0.99\",subresource!=\"log\",verb!~\"^(?:LIST|WATCH|WATCHLIST|PROXY|CONNECT)$\"} > 1\n",
"for": "10m",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeAPILatencyHigh",
"annotations": {
"message": "The API server has a 99th percentile latency of {{ $value }} seconds for {{ $labels.verb }} {{ $labels.resource }}.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapilatencyhigh"
},
"expr": "cluster_quantile:apiserver_request_latencies:histogram_quantile{job=\"apiserver\",quantile=\"0.99\",subresource!=\"log\",verb!~\"^(?:LIST|WATCH|WATCHLIST|PROXY|CONNECT)$\"} > 4\n",
"for": "10m",
"labels": {
"severity": "critical"
}
},
{
"alert": "KubeAPIErrorsHigh",
"annotations": {
"message": "API server is returning errors for {{ $value }}% of requests.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapierrorshigh"
},
"expr": "sum(rate(apiserver_request_count{job=\"apiserver\",code=~\"^(?:5..)$\"}[5m]))\n /\nsum(rate(apiserver_request_count{job=\"apiserver\"}[5m])) * 100 > 3\n",
"for": "10m",
"labels": {
"severity": "critical"
}
},
{
"alert": "KubeAPIErrorsHigh",
"annotations": {
"message": "API server is returning errors for {{ $value }}% of requests.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapierrorshigh"
},
"expr": "sum(rate(apiserver_request_count{job=\"apiserver\",code=~\"^(?:5..)$\"}[5m]))\n /\nsum(rate(apiserver_request_count{job=\"apiserver\"}[5m])) * 100 > 1\n",
"for": "10m",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeAPIErrorsHigh",
"annotations": {
"message": "API server is returning errors for {{ $value }}% of requests for {{ $labels.verb }} {{ $labels.resource }} {{ $labels.subresource }}.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapierrorshigh"
},
"expr": "sum(rate(apiserver_request_count{job=\"apiserver\",code=~\"^(?:5..)$\"}[5m])) by (resource,subresource,verb)\n /\nsum(rate(apiserver_request_count{job=\"apiserver\"}[5m])) by (resource,subresource,verb) * 100 > 10\n",
"for": "10m",
"labels": {
"severity": "critical"
}
},
{
"alert": "KubeAPIErrorsHigh",
"annotations": {
"message": "API server is returning errors for {{ $value }}% of requests for {{ $labels.verb }} {{ $labels.resource }} {{ $labels.subresource }}.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeapierrorshigh"
},
"expr": "sum(rate(apiserver_request_count{job=\"apiserver\",code=~\"^(?:5..)$\"}[5m])) by (resource,subresource,verb)\n /\nsum(rate(apiserver_request_count{job=\"apiserver\"}[5m])) by (resource,subresource,verb) * 100 > 5\n",
"for": "10m",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeClientCertificateExpiration",
"annotations": {
"message": "A client certificate used to authenticate to the apiserver is expiring in less than 7.0 days.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeclientcertificateexpiration"
},
"expr": "apiserver_client_certificate_expiration_seconds_count{job=\"apiserver\"} > 0 and histogram_quantile(0.01, sum by (job, le) (rate(apiserver_client_certificate_expiration_seconds_bucket{job=\"apiserver\"}[5m]))) < 604800\n",
"labels": {
"severity": "warning"
}
},
{
"alert": "KubeClientCertificateExpiration",
"annotations": {
"message": "A client certificate used to authenticate to the apiserver is expiring in less than 24.0 hours.",
"runbook_url": "https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-kubeclientcertificateexpiration"
},
"expr": "apiserver_client_certificate_expiration_seconds_count{job=\"apiserver\"} > 0 and histogram_quantile(0.01, sum by (job, le) (rate(apiserver_client_certificate_expiration_seconds_bucket{job=\"apiserver\"}[5m]))) < 86400\n",
"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",
"annotations": {
"message": "Device {{ $labels.device }} of node-exporter {{ $labels.namespace }}/{{ $labels.pod }} will be full within the next 24 hours."
},
"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",
"labels": {
"severity": "critical"
}
}
]
},
{
"name": "node-time",
"rules": [
{
"alert": "ClockSkewDetected",
"annotations": {
"message": "Clock skew detected on node-exporter {{ $labels.namespace }}/{{ $labels.pod }}. Ensure NTP is configured correctly on this host."
},
"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",
"labels": {
"severity": "warning"
}
},
{
"alert": "NetworkTransmitErrors",
"annotations": {
"message": "Network interface \"{{ $labels.device }}\" showing transmit errors on node-exporter {{ $labels.namespace }}/{{ $labels.pod }}\""
},
"expr": "rate(node_network_transmit_errs_total{job=\"node-exporter\",device!~\"veth.+|tunl.+\"}[2m]) > 0\n",
"for": "2m",
"labels": {
"severity": "warning"
}
},
{
"alert": "NodeNetworkInterfaceFlapping",
"annotations": {
"message": "Network interface \"{{ $labels.device }}\" changing it's up status often on node-exporter {{ $labels.namespace }}/{{ $labels.pod }}\""
},
"expr": "changes(node_network_up{job=\"node-exporter\",device!~\"veth.+|tunl.+\"}[2m]) > 2\n",
"for": "2m",
"labels": {
"severity": "warning"
}
}
]
},
{
"name": "prometheus.rules",
"rules": [
{
"alert": "PrometheusConfigReloadFailed",
"annotations": {
"description": "Reloading Prometheus' configuration has failed for {{$labels.namespace}}/{{$labels.pod}}",
"summary": "Reloading Prometheus' configuration failed"
},
"expr": "prometheus_config_last_reload_successful{job=\"prometheus\"} == 0\n",
"for": "10m",
"labels": {
"severity": "warning"
}
},
{
"alert": "PrometheusNotificationQueueRunningFull",
"annotations": {
"description": "Prometheus' alert notification queue is running full for {{$labels.namespace}}/{{ $labels.pod}}",
"summary": "Prometheus' alert notification queue is running full"
},
"expr": "predict_linear(prometheus_notifications_queue_length{job=\"prometheus\"}[5m], 60 * 30) > prometheus_notifications_queue_capacity{job=\"prometheus\"}\n",
"for": "10m",
"labels": {
"severity": "warning"
}
},
{
"alert": "PrometheusErrorSendingAlerts",
"annotations": {
"description": "Errors while sending alerts from Prometheus {{$labels.namespace}}/{{ $labels.pod}} to Alertmanager {{$labels.Alertmanager}}",
"summary": "Errors while sending alert from Prometheus"
},
"expr": "rate(prometheus_notifications_errors_total{job=\"prometheus\"}[5m]) / rate(prometheus_notifications_sent_total{job=\"prometheus\"}[5m]) > 0.01\n",
"for": "10m",
"labels": {
"severity": "warning"
}
},
{
"alert": "PrometheusErrorSendingAlerts",
"annotations": {
"description": "Errors while sending alerts from Prometheus {{$labels.namespace}}/{{ $labels.pod}} to Alertmanager {{$labels.Alertmanager}}",
"summary": "Errors while sending alerts from Prometheus"
},
"expr": "rate(prometheus_notifications_errors_total{job=\"prometheus\"}[5m]) / rate(prometheus_notifications_sent_total{job=\"prometheus\"}[5m]) > 0.03\n",
"for": "10m",
"labels": {
"severity": "critical"
}
},
{
"alert": "PrometheusNotConnectedToAlertmanagers",
"annotations": {
"description": "Prometheus {{ $labels.namespace }}/{{ $labels.pod}} is not connected to any Alertmanagers",
"summary": "Prometheus is not connected to any Alertmanagers"
},
"expr": "prometheus_notifications_alertmanagers_discovered{job=\"prometheus\"} < 1\n",
"for": "10m",
"labels": {
"severity": "warning"
}
},
{
"alert": "PrometheusTSDBReloadsFailing",
"annotations": {
"description": "{{$labels.job}} at {{$labels.instance}} had {{$value | humanize}} reload failures over the last four hours.",
"summary": "Prometheus has issues reloading data blocks from disk"
},
"expr": "increase(prometheus_tsdb_reloads_failures_total{job=\"prometheus\"}[2h]) > 0\n",
"for": "12h",
"labels": {
"severity": "warning"
}
},
{
"alert": "PrometheusTSDBCompactionsFailing",
"annotations": {
"description": "{{$labels.job}} at {{$labels.instance}} had {{$value | humanize}} compaction failures over the last four hours.",
"summary": "Prometheus has issues compacting sample blocks"
},
"expr": "increase(prometheus_tsdb_compactions_failed_total{job=\"prometheus\"}[2h]) > 0\n",
"for": "12h",
"labels": {
"severity": "warning"
}
},
{
"alert": "PrometheusTSDBWALCorruptions",
"annotations": {
"description": "{{$labels.job}} at {{$labels.instance}} has a corrupted write-ahead log (WAL).",
"summary": "Prometheus write-ahead log is corrupted"
},
"expr": "prometheus_tsdb_wal_corruptions_total{job=\"prometheus\"} > 0\n",
"for": "4h",
"labels": {
"severity": "warning"
}
},
{
"alert": "PrometheusNotIngestingSamples",
"annotations": {
"description": "Prometheus {{ $labels.namespace }}/{{ $labels.pod}} isn't ingesting samples.",
"summary": "Prometheus isn't ingesting samples"
},
"expr": "rate(prometheus_tsdb_head_samples_appended_total{job=\"prometheus\"}[5m]) <= 0\n",
"for": "10m",
"labels": {
"severity": "warning"
}
},
{
"alert": "PrometheusTargetScrapesDuplicate",
"annotations": {
"description": "{{$labels.namespace}}/{{$labels.pod}} has many samples rejected due to duplicate timestamps but different values",
"summary": "Prometheus has many samples rejected"
},
"expr": "increase(prometheus_target_scrapes_sample_duplicate_timestamp_total{job=\"prometheus\"}[5m]) > 0\n",
"for": "10m",
"labels": {
"severity": "warning"
}
}
]
},
{
"name": "general.rules",
"rules": [
{
"alert": "TargetDown",
"annotations": {
"message": "{{ $value }}% of the {{ $labels.job }} targets are down."
},
"expr": "100 * (count(up == 0) BY (job) / count(up) BY (job)) > 10",
"for": "10m",
"labels": {
"severity": "warning"
}
}
]
}
]
}

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 v1.13.3 (upstream, via [kubernetes-incubator/bootkube](https://github.com/kubernetes-incubator/bootkube))
* Kubernetes v1.14.2 (upstream, via [kubernetes-incubator/bootkube](https://github.com/kubernetes-incubator/bootkube))
* 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

@ -1,6 +1,6 @@
# Self-hosted Kubernetes assets (kubeconfig, manifests)
module "bootkube" {
source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=c12a11c8006606b59335ecc994abe22358aaf68b"
source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=85571f6dae3522e2a7de01b7e0a3f7e3a9359641/"
cluster_name = "${var.cluster_name}"
api_servers = ["${format("%s.%s", var.cluster_name, var.dns_zone)}"]
@ -12,4 +12,5 @@ module "bootkube" {
service_cidr = "${var.service_cidr}"
cluster_domain_suffix = "${var.cluster_domain_suffix}"
enable_reporting = "${var.enable_reporting}"
enable_aggregation = "${var.enable_aggregation}"
}

View File

@ -7,7 +7,7 @@ systemd:
- name: 40-etcd-cluster.conf
contents: |
[Service]
Environment="ETCD_IMAGE_TAG=v3.3.11"
Environment="ETCD_IMAGE_TAG=v3.3.13"
Environment="ETCD_NAME=${etcd_name}"
Environment="ETCD_ADVERTISE_CLIENT_URLS=https://${etcd_domain}:2379"
Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=https://${etcd_domain}:2380"
@ -123,7 +123,7 @@ storage:
contents:
inline: |
KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube
KUBELET_IMAGE_TAG=v1.13.3
KUBELET_IMAGE_TAG=v1.14.2
- path: /etc/sysctl.d/max-user-watches.conf
filesystem: root
contents:

View File

@ -79,7 +79,7 @@ data "template_file" "etcds" {
count = "${var.controller_count}"
template = "etcd$${index}=https://$${cluster_name}-etcd$${index}.$${dns_zone}:2380"
vars {
vars = {
index = "${count.index}"
cluster_name = "${var.cluster_name}"
dns_zone = "${var.dns_zone}"

View File

@ -37,6 +37,11 @@ output "kubeconfig" {
# Outputs for custom load balancing
output "nlb_id" {
description = "ARN of the Network Load Balancer"
value = "${aws_lb.nlb.id}"
}
output "worker_target_group_http" {
description = "ARN of a target group of workers for HTTP traffic"
value = "${module.workers.target_group_http}"

View File

@ -5,7 +5,7 @@ terraform {
}
provider "aws" {
version = "~> 1.13"
version = ">= 1.13, < 3.0"
}
provider "local" {

View File

@ -42,6 +42,30 @@ resource "aws_security_group_rule" "controller-etcd-metrics" {
source_security_group_id = "${aws_security_group.worker.id}"
}
resource "aws_security_group_rule" "controller-vxlan" {
count = "${var.networking == "flannel" ? 1 : 0}"
security_group_id = "${aws_security_group.controller.id}"
type = "ingress"
protocol = "udp"
from_port = 4789
to_port = 4789
source_security_group_id = "${aws_security_group.worker.id}"
}
resource "aws_security_group_rule" "controller-vxlan-self" {
count = "${var.networking == "flannel" ? 1 : 0}"
security_group_id = "${aws_security_group.controller.id}"
type = "ingress"
protocol = "udp"
from_port = 4789
to_port = 4789
self = true
}
resource "aws_security_group_rule" "controller-apiserver" {
security_group_id = "${aws_security_group.controller.id}"
@ -52,26 +76,6 @@ resource "aws_security_group_rule" "controller-apiserver" {
cidr_blocks = ["0.0.0.0/0"]
}
resource "aws_security_group_rule" "controller-flannel" {
security_group_id = "${aws_security_group.controller.id}"
type = "ingress"
protocol = "udp"
from_port = 8472
to_port = 8472
source_security_group_id = "${aws_security_group.worker.id}"
}
resource "aws_security_group_rule" "controller-flannel-self" {
security_group_id = "${aws_security_group.controller.id}"
type = "ingress"
protocol = "udp"
from_port = 8472
to_port = 8472
self = true
}
# Allow Prometheus to scrape node-exporter daemonset
resource "aws_security_group_rule" "controller-node-exporter" {
security_group_id = "${aws_security_group.controller.id}"
@ -216,23 +220,27 @@ resource "aws_security_group_rule" "worker-https" {
cidr_blocks = ["0.0.0.0/0"]
}
resource "aws_security_group_rule" "worker-flannel" {
resource "aws_security_group_rule" "worker-vxlan" {
count = "${var.networking == "flannel" ? 1 : 0}"
security_group_id = "${aws_security_group.worker.id}"
type = "ingress"
protocol = "udp"
from_port = 8472
to_port = 8472
from_port = 4789
to_port = 4789
source_security_group_id = "${aws_security_group.controller.id}"
}
resource "aws_security_group_rule" "worker-flannel-self" {
resource "aws_security_group_rule" "worker-vxlan-self" {
count = "${var.networking == "flannel" ? 1 : 0}"
security_group_id = "${aws_security_group.worker.id}"
type = "ingress"
protocol = "udp"
from_port = 8472
to_port = 8472
from_port = 4789
to_port = 4789
self = true
}

View File

@ -71,6 +71,12 @@ variable "worker_price" {
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"
}
variable "worker_target_groups" {
type = "list"
description = "Additional target group ARNs to which worker instances should be added"
default = []
}
variable "controller_clc_snippets" {
type = "list"
description = "Controller Container Linux Config snippets"
@ -140,3 +146,9 @@ variable "enable_reporting" {
description = "Enable usage or analytics reporting to upstreams (Calico)"
default = "false"
}
variable "enable_aggregation" {
description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
type = "string"
default = "false"
}

View File

@ -1,5 +1,5 @@
module "workers" {
source = "workers"
source = "./workers"
name = "${var.cluster_name}"
# AWS
@ -11,6 +11,7 @@ module "workers" {
os_image = "${var.os_image}"
disk_size = "${var.disk_size}"
spot_price = "${var.worker_price}"
target_groups = ["${var.worker_target_groups}"]
# configuration
kubeconfig = "${module.bootkube.kubeconfig-kubelet}"

View File

@ -93,7 +93,7 @@ storage:
contents:
inline: |
KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube
KUBELET_IMAGE_TAG=v1.13.3
KUBELET_IMAGE_TAG=v1.14.2
- path: /etc/sysctl.d/max-user-watches.conf
filesystem: root
contents:
@ -111,7 +111,7 @@ storage:
--volume config,kind=host,source=/etc/kubernetes \
--mount volume=config,target=/etc/kubernetes \
--insecure-options=image \
docker://k8s.gcr.io/hyperkube:v1.13.3 \
docker://k8s.gcr.io/hyperkube:v1.14.2 \
--net=host \
--dns=host \
--exec=/kubectl -- --kubeconfig=/etc/kubernetes/kubeconfig delete node $(hostname)

View File

@ -64,6 +64,12 @@ variable "spot_price" {
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"
}
variable "target_groups" {
type = "list"
description = "Additional target group ARNs to which instances should be added"
default = []
}
variable "clc_snippets" {
type = "list"
description = "Container Linux Config snippets"

View File

@ -19,6 +19,7 @@ resource "aws_autoscaling_group" "workers" {
target_group_arns = [
"${aws_lb_target_group.workers-http.id}",
"${aws_lb_target_group.workers-https.id}",
"${var.target_groups}",
]
lifecycle {

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 v1.13.3 (upstream, via [kubernetes-incubator/bootkube](https://github.com/kubernetes-incubator/bootkube))
* Kubernetes v1.14.2 (upstream, via [kubernetes-incubator/bootkube](https://github.com/kubernetes-incubator/bootkube))
* 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/) and [spot](https://typhoon.psdn.io/cl/aws/#spot) workers

View File

@ -1,6 +1,6 @@
# Self-hosted Kubernetes assets (kubeconfig, manifests)
module "bootkube" {
source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=c12a11c8006606b59335ecc994abe22358aaf68b"
source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=85571f6dae3522e2a7de01b7e0a3f7e3a9359641/"
cluster_name = "${var.cluster_name}"
api_servers = ["${format("%s.%s", var.cluster_name, var.dns_zone)}"]

View File

@ -78,8 +78,8 @@ bootcmd:
runcmd:
- [systemctl, daemon-reload]
- [systemctl, restart, NetworkManager]
- "atomic install --system --name=etcd quay.io/poseidon/etcd:v3.3.11"
- "atomic install --system --name=kubelet quay.io/poseidon/kubelet:v1.13.3"
- "atomic install --system --name=etcd quay.io/poseidon/etcd:v3.3.12"
- "atomic install --system --name=kubelet quay.io/poseidon/kubelet:v1.14.1"
- "atomic install --system --name=bootkube quay.io/poseidon/bootkube:v0.14.0"
- [systemctl, start, --no-block, etcd.service]
- [systemctl, start, --no-block, kubelet.service]

View File

@ -71,7 +71,7 @@ data "template_file" "etcds" {
count = "${var.controller_count}"
template = "etcd$${index}=https://$${cluster_name}-etcd$${index}.$${dns_zone}:2380"
vars {
vars = {
index = "${count.index}"
cluster_name = "${var.cluster_name}"
dns_zone = "${var.dns_zone}"

View File

@ -5,7 +5,7 @@ terraform {
}
provider "aws" {
version = "~> 1.13"
version = ">= 1.13, < 3.0"
}
provider "local" {

View File

@ -42,6 +42,30 @@ resource "aws_security_group_rule" "controller-etcd-metrics" {
source_security_group_id = "${aws_security_group.worker.id}"
}
resource "aws_security_group_rule" "controller-vxlan" {
count = "${var.networking == "flannel" ? 1 : 0}"
security_group_id = "${aws_security_group.controller.id}"
type = "ingress"
protocol = "udp"
from_port = 4789
to_port = 4789
source_security_group_id = "${aws_security_group.worker.id}"
}
resource "aws_security_group_rule" "controller-vxlan-self" {
count = "${var.networking == "flannel" ? 1 : 0}"
security_group_id = "${aws_security_group.controller.id}"
type = "ingress"
protocol = "udp"
from_port = 4789
to_port = 4789
self = true
}
resource "aws_security_group_rule" "controller-apiserver" {
security_group_id = "${aws_security_group.controller.id}"
@ -52,26 +76,6 @@ resource "aws_security_group_rule" "controller-apiserver" {
cidr_blocks = ["0.0.0.0/0"]
}
resource "aws_security_group_rule" "controller-flannel" {
security_group_id = "${aws_security_group.controller.id}"
type = "ingress"
protocol = "udp"
from_port = 8472
to_port = 8472
source_security_group_id = "${aws_security_group.worker.id}"
}
resource "aws_security_group_rule" "controller-flannel-self" {
security_group_id = "${aws_security_group.controller.id}"
type = "ingress"
protocol = "udp"
from_port = 8472
to_port = 8472
self = true
}
# Allow Prometheus to scrape node-exporter daemonset
resource "aws_security_group_rule" "controller-node-exporter" {
security_group_id = "${aws_security_group.controller.id}"
@ -216,23 +220,27 @@ resource "aws_security_group_rule" "worker-https" {
cidr_blocks = ["0.0.0.0/0"]
}
resource "aws_security_group_rule" "worker-flannel" {
resource "aws_security_group_rule" "worker-vxlan" {
count = "${var.networking == "flannel" ? 1 : 0}"
security_group_id = "${aws_security_group.worker.id}"
type = "ingress"
protocol = "udp"
from_port = 8472
to_port = 8472
from_port = 4789
to_port = 4789
source_security_group_id = "${aws_security_group.controller.id}"
}
resource "aws_security_group_rule" "worker-flannel-self" {
resource "aws_security_group_rule" "worker-vxlan-self" {
count = "${var.networking == "flannel" ? 1 : 0}"
security_group_id = "${aws_security_group.worker.id}"
type = "ingress"
protocol = "udp"
from_port = 8472
to_port = 8472
from_port = 4789
to_port = 4789
self = true
}

View File

@ -1,5 +1,5 @@
module "workers" {
source = "workers"
source = "./workers"
name = "${var.cluster_name}"
# AWS

View File

@ -54,7 +54,7 @@ bootcmd:
runcmd:
- [systemctl, daemon-reload]
- [systemctl, restart, NetworkManager]
- "atomic install --system --name=kubelet quay.io/poseidon/kubelet:v1.13.3"
- "atomic install --system --name=kubelet quay.io/poseidon/kubelet:v1.14.1"
- [systemctl, start, --no-block, kubelet.service]
users:
- default

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 v1.13.3 (upstream, via [kubernetes-incubator/bootkube](https://github.com/kubernetes-incubator/bootkube))
* Kubernetes v1.14.2 (upstream, via [kubernetes-incubator/bootkube](https://github.com/kubernetes-incubator/bootkube))
* Single or multi-master, [flannel](https://github.com/coreos/flannel) networking
* On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled
* 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

@ -1,14 +1,22 @@
# Self-hosted Kubernetes assets (kubeconfig, manifests)
module "bootkube" {
source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=c12a11c8006606b59335ecc994abe22358aaf68b"
source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=85571f6dae3522e2a7de01b7e0a3f7e3a9359641/"
cluster_name = "${var.cluster_name}"
api_servers = ["${format("%s.%s", var.cluster_name, var.dns_zone)}"]
etcd_servers = ["${formatlist("%s.%s", azurerm_dns_a_record.etcds.*.name, var.dns_zone)}"]
asset_dir = "${var.asset_dir}"
networking = "${var.networking}"
# only effective with Calico networking
# we should be able to use 1450 MTU, but in practice, 1410 was needed
network_encapsulation = "vxlan"
network_mtu = "1410"
cluster_name = "${var.cluster_name}"
api_servers = ["${format("%s.%s", var.cluster_name, var.dns_zone)}"]
etcd_servers = ["${formatlist("%s.%s", azurerm_dns_a_record.etcds.*.name, var.dns_zone)}"]
asset_dir = "${var.asset_dir}"
networking = "flannel"
pod_cidr = "${var.pod_cidr}"
service_cidr = "${var.service_cidr}"
cluster_domain_suffix = "${var.cluster_domain_suffix}"
enable_reporting = "${var.enable_reporting}"
enable_aggregation = "${var.enable_aggregation}"
}

View File

@ -7,7 +7,7 @@ systemd:
- name: 40-etcd-cluster.conf
contents: |
[Service]
Environment="ETCD_IMAGE_TAG=v3.3.11"
Environment="ETCD_IMAGE_TAG=v3.3.13"
Environment="ETCD_NAME=${etcd_name}"
Environment="ETCD_ADVERTISE_CLIENT_URLS=https://${etcd_domain}:2379"
Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=https://${etcd_domain}:2380"
@ -123,7 +123,7 @@ storage:
contents:
inline: |
KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube
KUBELET_IMAGE_TAG=v1.13.3
KUBELET_IMAGE_TAG=v1.14.2
- path: /etc/sysctl.d/max-user-watches.conf
filesystem: root
contents:

View File

@ -160,7 +160,7 @@ data "template_file" "etcds" {
count = "${var.controller_count}"
template = "etcd$${index}=https://$${cluster_name}-etcd$${index}.$${dns_zone}:2380"
vars {
vars = {
index = "${count.index}"
cluster_name = "${var.cluster_name}"
dns_zone = "${var.dns_zone}"

View File

@ -27,10 +27,29 @@ output "security_group_id" {
value = "${azurerm_network_security_group.worker.id}"
}
output "backend_address_pool_id" {
value = "${azurerm_lb_backend_address_pool.worker.id}"
}
output "kubeconfig" {
value = "${module.bootkube.kubeconfig-kubelet}"
}
# Outputs for custom firewalling
output "worker_security_group_name" {
value = "${azurerm_network_security_group.worker.name}"
}
output "worker_address_prefix" {
description = "Worker network subnet CIDR address (for source/destination)"
value = "${azurerm_subnet.worker.address_prefix}"
}
# Outputs for custom load balancing
output "loadbalancer_id" {
description = "ID of the cluster load balancer"
value = "${azurerm_lb.cluster.id}"
}
output "backend_address_pool_id" {
description = "ID of the worker backend address pool"
value = "${azurerm_lb_backend_address_pool.worker.id}"
}

View File

@ -68,17 +68,17 @@ resource "azurerm_network_security_rule" "controller-apiserver" {
destination_address_prefix = "${azurerm_subnet.controller.address_prefix}"
}
resource "azurerm_network_security_rule" "controller-flannel" {
resource "azurerm_network_security_rule" "controller-vxlan" {
resource_group_name = "${azurerm_resource_group.cluster.name}"
name = "allow-flannel"
name = "allow-vxlan"
network_security_group_name = "${azurerm_network_security_group.controller.name}"
priority = "2020"
access = "Allow"
direction = "Inbound"
protocol = "Udp"
source_port_range = "*"
destination_port_range = "8472"
destination_port_range = "4789"
source_address_prefixes = ["${azurerm_subnet.controller.address_prefix}", "${azurerm_subnet.worker.address_prefix}"]
destination_address_prefix = "${azurerm_subnet.controller.address_prefix}"
}
@ -204,17 +204,17 @@ resource "azurerm_network_security_rule" "worker-https" {
destination_address_prefix = "${azurerm_subnet.worker.address_prefix}"
}
resource "azurerm_network_security_rule" "worker-flannel" {
resource "azurerm_network_security_rule" "worker-vxlan" {
resource_group_name = "${azurerm_resource_group.cluster.name}"
name = "allow-flannel"
name = "allow-vxlan"
network_security_group_name = "${azurerm_network_security_group.worker.name}"
priority = "2015"
access = "Allow"
direction = "Inbound"
protocol = "Udp"
source_port_range = "*"
destination_port_range = "8472"
destination_port_range = "4789"
source_address_prefixes = ["${azurerm_subnet.controller.address_prefix}", "${azurerm_subnet.worker.address_prefix}"]
destination_address_prefix = "${azurerm_subnet.worker.address_prefix}"
}

View File

@ -88,6 +88,12 @@ variable "asset_dir" {
type = "string"
}
variable "networking" {
description = "Choice of networking provider (flannel or calico)"
type = "string"
default = "flannel"
}
variable "host_cidr" {
description = "CIDR IPv4 range to assign to instances"
type = "string"
@ -121,3 +127,9 @@ variable "enable_reporting" {
description = "Enable usage or analytics reporting to upstreams (Calico)"
default = "false"
}
variable "enable_aggregation" {
description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
type = "string"
default = "false"
}

View File

@ -1,5 +1,5 @@
module "workers" {
source = "workers"
source = "./workers"
name = "${var.cluster_name}"
# Azure

View File

@ -93,7 +93,7 @@ storage:
contents:
inline: |
KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube
KUBELET_IMAGE_TAG=v1.13.3
KUBELET_IMAGE_TAG=v1.14.2
- path: /etc/sysctl.d/max-user-watches.conf
filesystem: root
contents:
@ -111,7 +111,7 @@ storage:
--volume config,kind=host,source=/etc/kubernetes \
--mount volume=config,target=/etc/kubernetes \
--insecure-options=image \
docker://k8s.gcr.io/hyperkube:v1.13.3 \
docker://k8s.gcr.io/hyperkube:v1.14.2 \
--net=host \
--dns=host \
--exec=/kubectl -- --kubeconfig=/etc/kubernetes/kubeconfig delete node $(hostname | tr '[:upper:]' '[:lower:]')

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 v1.13.3 (upstream, via [kubernetes-incubator/bootkube](https://github.com/kubernetes-incubator/bootkube))
* Kubernetes v1.14.2 (upstream, via [kubernetes-incubator/bootkube](https://github.com/kubernetes-incubator/bootkube))
* 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 @@
# Self-hosted Kubernetes assets (kubeconfig, manifests)
module "bootkube" {
source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=c12a11c8006606b59335ecc994abe22358aaf68b"
source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=85571f6dae3522e2a7de01b7e0a3f7e3a9359641/"
cluster_name = "${var.cluster_name}"
api_servers = ["${var.k8s_domain_name}"]
@ -13,4 +13,5 @@ module "bootkube" {
service_cidr = "${var.service_cidr}"
cluster_domain_suffix = "${var.cluster_domain_suffix}"
enable_reporting = "${var.enable_reporting}"
enable_aggregation = "${var.enable_aggregation}"
}

View File

@ -7,7 +7,7 @@ systemd:
- name: 40-etcd-cluster.conf
contents: |
[Service]
Environment="ETCD_IMAGE_TAG=v3.3.11"
Environment="ETCD_IMAGE_TAG=v3.3.13"
Environment="ETCD_NAME=${etcd_name}"
Environment="ETCD_ADVERTISE_CLIENT_URLS=https://${domain_name}:2379"
Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=https://${domain_name}:2380"
@ -128,7 +128,7 @@ storage:
contents:
inline: |
KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube
KUBELET_IMAGE_TAG=v1.13.3
KUBELET_IMAGE_TAG=v1.14.2
- path: /etc/hostname
filesystem: root
mode: 0644

View File

@ -89,7 +89,7 @@ storage:
contents:
inline: |
KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube
KUBELET_IMAGE_TAG=v1.13.3
KUBELET_IMAGE_TAG=v1.14.2
- path: /etc/hostname
filesystem: root
mode: 0644

View File

@ -5,7 +5,7 @@ resource "matchbox_group" "install" {
profile = "${local.flavor == "flatcar" ? var.cached_install == "true" ? element(matchbox_profile.cached-flatcar-linux-install.*.name, count.index) : element(matchbox_profile.flatcar-install.*.name, count.index) : var.cached_install == "true" ? element(matchbox_profile.cached-container-linux-install.*.name, count.index) : element(matchbox_profile.container-linux-install.*.name, count.index)}"
selector {
selector = {
mac = "${element(concat(var.controller_macs, var.worker_macs), count.index)}"
}
}
@ -15,7 +15,7 @@ resource "matchbox_group" "controller" {
name = "${format("%s-%s", var.cluster_name, element(var.controller_names, count.index))}"
profile = "${element(matchbox_profile.controllers.*.name, count.index)}"
selector {
selector = {
mac = "${element(var.controller_macs, count.index)}"
os = "installed"
}
@ -26,7 +26,7 @@ resource "matchbox_group" "worker" {
name = "${format("%s-%s", var.cluster_name, element(var.worker_names, count.index))}"
profile = "${element(matchbox_profile.workers.*.name, count.index)}"
selector {
selector = {
mac = "${element(var.worker_macs, count.index)}"
os = "installed"
}

View File

@ -11,10 +11,10 @@ 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))}"
kernel = "http://${local.channel}.release.core-os.net/amd64-usr/${var.os_version}/coreos_production_pxe.vmlinuz"
kernel = "${var.download_protocol}://${local.channel}.release.core-os.net/amd64-usr/${var.os_version}/coreos_production_pxe.vmlinuz"
initrd = [
"http://${local.channel}.release.core-os.net/amd64-usr/${var.os_version}/coreos_production_pxe_image.cpio.gz",
"${var.download_protocol}://${local.channel}.release.core-os.net/amd64-usr/${var.os_version}/coreos_production_pxe_image.cpio.gz",
]
args = [
@ -34,7 +34,7 @@ data "template_file" "container-linux-install-configs" {
template = "${file("${path.module}/cl/install.yaml.tmpl")}"
vars {
vars = {
os_flavor = "${local.flavor}"
os_channel = "${local.channel}"
os_version = "${var.os_version}"
@ -77,7 +77,7 @@ data "template_file" "cached-container-linux-install-configs" {
template = "${file("${path.module}/cl/install.yaml.tmpl")}"
vars {
vars = {
os_flavor = "${local.flavor}"
os_channel = "${local.channel}"
os_version = "${var.os_version}"
@ -96,10 +96,10 @@ 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))}"
kernel = "http://${local.channel}.release.flatcar-linux.net/amd64-usr/${var.os_version}/flatcar_production_pxe.vmlinuz"
kernel = "${var.download_protocol}://${local.channel}.release.flatcar-linux.net/amd64-usr/${var.os_version}/flatcar_production_pxe.vmlinuz"
initrd = [
"http://${local.channel}.release.flatcar-linux.net/amd64-usr/${var.os_version}/flatcar_production_pxe_image.cpio.gz",
"${var.download_protocol}://${local.channel}.release.flatcar-linux.net/amd64-usr/${var.os_version}/flatcar_production_pxe_image.cpio.gz",
]
args = [
@ -159,7 +159,7 @@ data "template_file" "controller-configs" {
template = "${file("${path.module}/cl/controller.yaml.tmpl")}"
vars {
vars = {
domain_name = "${element(var.controller_domains, count.index)}"
etcd_name = "${element(var.controller_names, count.index)}"
etcd_initial_cluster = "${join(",", formatlist("%s=https://%s:2380", var.controller_names, var.controller_domains))}"
@ -190,7 +190,7 @@ data "template_file" "worker-configs" {
template = "${file("${path.module}/cl/worker.yaml.tmpl")}"
vars {
vars = {
domain_name = "${element(var.worker_domains, count.index)}"
cluster_dns_service_ip = "${module.bootkube.cluster_dns_service_ip}"
cluster_domain_suffix = "${var.cluster_domain_suffix}"

View File

@ -118,6 +118,12 @@ variable "cluster_domain_suffix" {
default = "cluster.local"
}
variable "download_protocol" {
type = "string"
default = "https"
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."
}
variable "cached_install" {
type = "string"
default = "false"
@ -147,3 +153,9 @@ variable "enable_reporting" {
description = "Enable usage or analytics reporting to upstreams (Calico)"
default = "false"
}
variable "enable_aggregation" {
description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
type = "string"
default = "false"
}

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 v1.13.3 (upstream, via [kubernetes-incubator/bootkube](https://github.com/kubernetes-incubator/bootkube))
* Kubernetes v1.14.2 (upstream, via [kubernetes-incubator/bootkube](https://github.com/kubernetes-incubator/bootkube))
* 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/)
* Ready for Ingress, Prometheus, Grafana, and other optional [addons](https://typhoon.psdn.io/addons/overview/)

View File

@ -1,6 +1,6 @@
# Self-hosted Kubernetes assets (kubeconfig, manifests)
module "bootkube" {
source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=c12a11c8006606b59335ecc994abe22358aaf68b"
source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=85571f6dae3522e2a7de01b7e0a3f7e3a9359641/"
cluster_name = "${var.cluster_name}"
api_servers = ["${var.k8s_domain_name}"]

View File

@ -84,8 +84,8 @@ runcmd:
- [systemctl, daemon-reload]
- [systemctl, restart, NetworkManager]
- [hostnamectl, set-hostname, ${domain_name}]
- "atomic install --system --name=etcd quay.io/poseidon/etcd:v3.3.11"
- "atomic install --system --name=kubelet quay.io/poseidon/kubelet:v1.13.3"
- "atomic install --system --name=etcd quay.io/poseidon/etcd:v3.3.12"
- "atomic install --system --name=kubelet quay.io/poseidon/kubelet:v1.14.1"
- "atomic install --system --name=bootkube quay.io/poseidon/bootkube:v0.14.0"
- [systemctl, start, --no-block, etcd.service]
- [systemctl, enable, kubelet.path]

View File

@ -60,7 +60,7 @@ runcmd:
- [systemctl, daemon-reload]
- [systemctl, restart, NetworkManager]
- [hostnamectl, set-hostname, ${domain_name}]
- "atomic install --system --name=kubelet quay.io/poseidon/kubelet:v1.13.3"
- "atomic install --system --name=kubelet quay.io/poseidon/kubelet:v1.14.1"
- [systemctl, enable, kubelet.path]
- [systemctl, start, --no-block, kubelet.path]
users:

View File

@ -5,11 +5,11 @@ resource "matchbox_group" "install" {
name = "${format("fedora-install-%s", element(concat(var.controller_names, var.worker_names), count.index))}"
profile = "${element(matchbox_profile.cached-fedora-install.*.name, count.index)}"
selector {
selector = {
mac = "${element(concat(var.controller_macs, var.worker_macs), count.index)}"
}
metadata {
metadata = {
ssh_authorized_key = "${var.ssh_authorized_key}"
}
}
@ -19,7 +19,7 @@ resource "matchbox_group" "controller" {
name = "${format("%s-%s", var.cluster_name, element(var.controller_names, count.index))}"
profile = "${element(matchbox_profile.controllers.*.name, count.index)}"
selector {
selector = {
mac = "${element(var.controller_macs, count.index)}"
os = "installed"
}
@ -30,7 +30,7 @@ resource "matchbox_group" "worker" {
name = "${format("%s-%s", var.cluster_name, element(var.worker_names, count.index))}"
profile = "${element(matchbox_profile.workers.*.name, count.index)}"
selector {
selector = {
mac = "${element(var.worker_macs, count.index)}"
os = "installed"
}

View File

@ -33,7 +33,7 @@ data "template_file" "install-kickstarts" {
template = "${file("${path.module}/kickstart/fedora-atomic.ks.tmpl")}"
vars {
vars = {
matchbox_http_endpoint = "${var.matchbox_http_endpoint}"
atomic_assets_endpoint = "${local.atomic_assets_endpoint}"
mac = "${element(concat(var.controller_macs, var.worker_macs), count.index)}"
@ -54,7 +54,7 @@ data "template_file" "controller-configs" {
template = "${file("${path.module}/cloudinit/controller.yaml.tmpl")}"
vars {
vars = {
domain_name = "${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))}"
@ -78,7 +78,7 @@ data "template_file" "worker-configs" {
template = "${file("${path.module}/cloudinit/worker.yaml.tmpl")}"
vars {
vars = {
domain_name = "${element(var.worker_domains, count.index)}"
cluster_dns_service_ip = "${module.bootkube.cluster_dns_service_ip}"
cluster_domain_suffix = "${var.cluster_domain_suffix}"

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 v1.13.3 (upstream, via [kubernetes-incubator/bootkube](https://github.com/kubernetes-incubator/bootkube))
* Kubernetes v1.14.2 (upstream, via [kubernetes-incubator/bootkube](https://github.com/kubernetes-incubator/bootkube))
* Single or multi-master, [flannel](https://github.com/coreos/flannel) networking
* On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled
* Advanced features like [snippets](https://typhoon.psdn.io/advanced/customization/#container-linux) customization

View File

@ -1,15 +1,21 @@
# Self-hosted Kubernetes assets (kubeconfig, manifests)
module "bootkube" {
source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=c12a11c8006606b59335ecc994abe22358aaf68b"
source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=85571f6dae3522e2a7de01b7e0a3f7e3a9359641/"
cluster_name = "${var.cluster_name}"
api_servers = ["${format("%s.%s", var.cluster_name, var.dns_zone)}"]
etcd_servers = "${digitalocean_record.etcds.*.fqdn}"
asset_dir = "${var.asset_dir}"
networking = "${var.networking}"
# only effective with Calico networking
network_encapsulation = "vxlan"
network_mtu = "1450"
cluster_name = "${var.cluster_name}"
api_servers = ["${format("%s.%s", var.cluster_name, var.dns_zone)}"]
etcd_servers = "${digitalocean_record.etcds.*.fqdn}"
asset_dir = "${var.asset_dir}"
networking = "flannel"
network_mtu = 1440
pod_cidr = "${var.pod_cidr}"
service_cidr = "${var.service_cidr}"
cluster_domain_suffix = "${var.cluster_domain_suffix}"
enable_reporting = "${var.enable_reporting}"
enable_aggregation = "${var.enable_aggregation}"
}

View File

@ -7,7 +7,7 @@ systemd:
- name: 40-etcd-cluster.conf
contents: |
[Service]
Environment="ETCD_IMAGE_TAG=v3.3.11"
Environment="ETCD_IMAGE_TAG=v3.3.13"
Environment="ETCD_NAME=${etcd_name}"
Environment="ETCD_ADVERTISE_CLIENT_URLS=https://${etcd_domain}:2379"
Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=https://${etcd_domain}:2380"
@ -56,9 +56,12 @@ systemd:
contents: |
[Unit]
Description=Kubelet via Hyperkube
Requires=coreos-metadata.service
After=coreos-metadata.service
Wants=rpc-statd.service
[Service]
EnvironmentFile=/etc/kubernetes/kubelet.env
EnvironmentFile=/run/metadata/coreos
Environment="RKT_RUN_ARGS=--uuid-file-save=/var/cache/kubelet-pod.uuid \
--volume=resolv,kind=host,source=/etc/resolv.conf \
--mount volume=resolv,target=/etc/resolv.conf \
@ -90,6 +93,7 @@ systemd:
--cluster_domain=${cluster_domain_suffix} \
--cni-conf-dir=/etc/kubernetes/cni/net.d \
--exit-on-lock-contention \
--hostname-override=$${COREOS_DIGITALOCEAN_IPV4_PRIVATE_0} \
--kubeconfig=/etc/kubernetes/kubeconfig \
--lock-file=/var/run/lock/kubelet.lock \
--network-plugin=cni \
@ -125,7 +129,7 @@ storage:
contents:
inline: |
KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube
KUBELET_IMAGE_TAG=v1.13.3
KUBELET_IMAGE_TAG=v1.14.2
- path: /etc/sysctl.d/max-user-watches.conf
filesystem: root
contents:

View File

@ -31,9 +31,12 @@ systemd:
contents: |
[Unit]
Description=Kubelet via Hyperkube
Requires=coreos-metadata.service
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 \
@ -63,6 +66,7 @@ systemd:
--cluster_domain=${cluster_domain_suffix} \
--cni-conf-dir=/etc/kubernetes/cni/net.d \
--exit-on-lock-contention \
--hostname-override=$${COREOS_DIGITALOCEAN_IPV4_PRIVATE_0} \
--kubeconfig=/etc/kubernetes/kubeconfig \
--lock-file=/var/run/lock/kubelet.lock \
--network-plugin=cni \
@ -95,7 +99,7 @@ storage:
contents:
inline: |
KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube
KUBELET_IMAGE_TAG=v1.13.3
KUBELET_IMAGE_TAG=v1.14.2
- path: /etc/sysctl.d/max-user-watches.conf
filesystem: root
contents:
@ -113,7 +117,7 @@ storage:
--volume config,kind=host,source=/etc/kubernetes \
--mount volume=config,target=/etc/kubernetes \
--insecure-options=image \
docker://k8s.gcr.io/hyperkube:v1.13.3 \
docker://k8s.gcr.io/hyperkube:v1.14.2 \
--net=host \
--dns=host \
--exec=/kubectl -- --kubeconfig=/etc/kubernetes/kubeconfig delete node $(hostname)

View File

@ -93,7 +93,7 @@ data "template_file" "etcds" {
count = "${var.controller_count}"
template = "etcd$${index}=https://$${cluster_name}-etcd$${index}.$${dns_zone}:2380"
vars {
vars = {
index = "${count.index}"
cluster_name = "${var.cluster_name}"
dns_zone = "${var.dns_zone}"

View File

@ -3,36 +3,26 @@ resource "digitalocean_firewall" "rules" {
tags = ["${var.cluster_name}-controller", "${var.cluster_name}-worker"]
# allow ssh, apiserver, http/https ingress, and peer-to-peer traffic
# allow ssh, internal flannel, internal node-exporter, internal kubelet
inbound_rule = [
{
protocol = "tcp"
port_range = "22"
source_addresses = ["0.0.0.0/0", "::/0"]
},
{
protocol = "tcp"
port_range = "80"
source_addresses = ["0.0.0.0/0", "::/0"]
},
{
protocol = "tcp"
port_range = "443"
source_addresses = ["0.0.0.0/0", "::/0"]
},
{
protocol = "tcp"
port_range = "6443"
source_addresses = ["0.0.0.0/0", "::/0"]
},
{
protocol = "udp"
port_range = "1-65535"
port_range = "4789"
source_tags = ["${digitalocean_tag.controllers.name}", "${digitalocean_tag.workers.name}"]
},
{
protocol = "tcp"
port_range = "1-65535"
port_range = "9100"
source_tags = ["${digitalocean_tag.workers.name}"]
},
{
protocol = "tcp"
port_range = "10250"
source_tags = ["${digitalocean_tag.controllers.name}", "${digitalocean_tag.workers.name}"]
},
]
@ -56,3 +46,53 @@ resource "digitalocean_firewall" "rules" {
},
]
}
resource "digitalocean_firewall" "controllers" {
name = "${var.cluster_name}-controllers"
tags = ["${var.cluster_name}-controller"]
# etcd, kube-apiserver, kubelet
inbound_rule = [
{
protocol = "tcp"
port_range = "2379-2380"
source_tags = ["${digitalocean_tag.controllers.name}"]
},
{
protocol = "tcp"
port_range = "2381"
source_tags = ["${digitalocean_tag.workers.name}"]
},
{
protocol = "tcp"
port_range = "6443"
source_addresses = ["0.0.0.0/0", "::/0"]
},
]
}
resource "digitalocean_firewall" "workers" {
name = "${var.cluster_name}-workers"
tags = ["${var.cluster_name}-worker"]
# allow HTTP/HTTPS ingress
inbound_rule = [
{
protocol = "tcp"
port_range = "80"
source_addresses = ["0.0.0.0/0", "::/0"]
},
{
protocol = "tcp"
port_range = "443"
source_addresses = ["0.0.0.0/0", "::/0"]
},
{
protocol = "tcp"
port_range = "10254"
source_addresses = ["0.0.0.0/0"]
},
]
}

View File

@ -26,3 +26,15 @@ output "workers_ipv4" {
output "workers_ipv6" {
value = ["${digitalocean_droplet.workers.*.ipv6_address}"]
}
# Outputs for custom firewalls
output "controller_tag" {
description = "Tag applied to controller droplets"
value = "${digitalocean_tag.controllers.name}"
}
output "worker_tag" {
description = "Tag applied to worker droplets"
value = "${digitalocean_tag.workers.name}"
}

View File

@ -2,6 +2,10 @@
resource "null_resource" "copy-controller-secrets" {
count = "${var.controller_count}"
depends_on = [
"digitalocean_firewall.rules",
]
connection {
type = "ssh"
host = "${element(concat(digitalocean_droplet.controllers.*.ipv4_address), count.index)}"

View File

@ -71,6 +71,12 @@ variable "asset_dir" {
type = "string"
}
variable "networking" {
description = "Choice of networking provider (flannel or calico)"
type = "string"
default = "flannel"
}
variable "pod_cidr" {
description = "CIDR IPv4 range to assign Kubernetes pods"
type = "string"
@ -98,3 +104,9 @@ variable "enable_reporting" {
description = "Enable usage or analytics reporting to upstreams (Calico)"
default = "false"
}
variable "enable_aggregation" {
description = "Enable the Kubernetes Aggregation Layer (defaults to false)"
type = "string"
default = "false"
}

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 v1.13.3 (upstream, via [kubernetes-incubator/bootkube](https://github.com/kubernetes-incubator/bootkube))
* Kubernetes v1.14.2 (upstream, via [kubernetes-incubator/bootkube](https://github.com/kubernetes-incubator/bootkube))
* Single or multi-master, [flannel](https://github.com/coreos/flannel) networking
* On-cluster etcd with TLS, [RBAC](https://kubernetes.io/docs/admin/authorization/rbac/)-enabled
* Ready for Ingress, Prometheus, Grafana, and other optional [addons](https://typhoon.psdn.io/addons/overview/)

View File

@ -1,6 +1,6 @@
# Self-hosted Kubernetes assets (kubeconfig, manifests)
module "bootkube" {
source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=c12a11c8006606b59335ecc994abe22358aaf68b"
source = "git::https://github.com/poseidon/terraform-render-bootkube.git?ref=85571f6dae3522e2a7de01b7e0a3f7e3a9359641/"
cluster_name = "${var.cluster_name}"
api_servers = ["${format("%s.%s", var.cluster_name, var.dns_zone)}"]

View File

@ -19,9 +19,24 @@ write_files:
ETCD_PEER_CERT_FILE=/etc/ssl/certs/etcd/peer.crt
ETCD_PEER_KEY_FILE=/etc/ssl/certs/etcd/peer.key
ETCD_PEER_CLIENT_CERT_AUTH=true
- path: /etc/systemd/system/cloud-metadata.service
content: |
[Unit]
Description=Cloud metadata agent
[Service]
Type=oneshot
Environment=OUTPUT=/run/metadata/cloud
ExecStart=/usr/bin/mkdir -p /run/metadata
ExecStart=/usr/bin/bash -c 'echo "HOSTNAME_OVERRIDE=$(curl\
--url http://169.254.169.254/metadata/v1/interfaces/private/0/ipv4/address\
--retry 10)" > $${OUTPUT}'
[Install]
WantedBy=multi-user.target
- path: /etc/systemd/system/kubelet.service.d/10-typhoon.conf
content: |
[Unit]
Requires=cloud-metadata.service
After=cloud-metadata.service
Wants=rpc-statd.service
[Service]
ExecStartPre=/bin/mkdir -p /opt/cni/bin
@ -75,10 +90,11 @@ bootcmd:
- [modprobe, ip_vs]
runcmd:
- [systemctl, daemon-reload]
- "atomic install --system --name=etcd quay.io/poseidon/etcd:v3.3.11"
- "atomic install --system --name=kubelet quay.io/poseidon/kubelet:v1.13.3"
- "atomic install --system --name=etcd quay.io/poseidon/etcd:v3.3.12"
- "atomic install --system --name=kubelet quay.io/poseidon/kubelet:v1.14.1"
- "atomic install --system --name=bootkube quay.io/poseidon/bootkube:v0.14.0"
- [systemctl, start, --no-block, etcd.service]
- [systemctl, enable, cloud-metadata.service]
- [systemctl, enable, kubelet.path]
- [systemctl, start, --no-block, kubelet.path]
users:

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