Commit Graph

773 Commits

Author SHA1 Message Date
Dalton Hubble a12833531e Add new load balancing, TCP/UDP, and firewall docs/diagrams
* Describe kube-apiserver load balancing on each platform
* Describe HTTP/S Ingress load balancing on each platform
* Describe TCP/UDP load balancing apps on each platform
(some clouds don't support UDP)
* Describe firewall customization (e.g. for TCP/UDP apps)
* Update IPv6 status for each platform
2019-08-03 11:50:03 -07:00
Dalton Hubble dcd6733649 Update Calico from v3.8.0 to v3.8.1
* https://docs.projectcalico.org/v3.8/release-notes/
2019-07-27 15:31:13 -07:00
Dalton Hubble 1409bc62d8 Remove download_protocol variable from Fedora CoreOS
* For Fedora CoreOS, only HTTPS downloads are available.
Any iPXE firmware must be compiled to support TLS fetching.
* For Container Linux, using public kernel/initramfs images
defaults to using HTTPS, but can be set to HTTP for iPXE
firmware that hasn't been custom compiled to support TLS
2019-07-27 15:23:34 -07:00
Dalton Hubble 8cb7fe48a1 Update Fedora CoreOS to testing 30.20190725.0
* Fedora CoreOS Preview AMI are pinned until maturity
2019-07-27 15:18:29 -07:00
Dalton Hubble b9ccfedfe5 Update CHANGES for v1.15.1 release 2019-07-21 11:58:56 -07:00
Dalton Hubble 68d8717924 Refresh Prometheus rules/alerts and Grafana dashboards
* Refresh rules, alerts, and dashboards from upstreams
2019-07-21 11:29:34 -07:00
Dalton Hubble c8df349e55 Fix to add all Azure controller nodes to address pool
* Add all Azure controllers to the apiserver load balancer
backend address pool
* Previously, kube-apiserver availability relied on the 0th
controller being up. Multi-controller was just providing etcd
data redundancy
2019-07-21 10:38:17 -07:00
Dalton Hubble f543f08867 Compact nginx-ingress ClusterRole rules
* https://github.com/kubernetes/ingress-nginx/pull/4302
2019-07-20 20:31:06 -07:00
Dalton Hubble e0be091acc Update kube-state-metrics from v1.7.0 to v1.7.1
* https://github.com/kubernetes/kube-state-metrics/releases/tag/v1.7.1
2019-07-20 20:17:08 -07:00
Dalton Hubble 56d0b9eae4 Avoid creating extraneous GCE controller instance groups
* Intended as part of #504 improvement
* Single controller clusters only require one controller
instance group (previously created zone-many)
* Multi-controller clusters must "wrap" controllers over
zonal heterogeneous instance groups. For example, 5
controllers over 3 zones (no change)
2019-07-20 16:58:45 -07:00
Dalton Hubble e0c7676a15 Update Kubernetes from v1.15.0 to v1.15.1
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.15.md#downloads-for-v1151
2019-07-19 01:21:08 -07:00
Dalton Hubble 339e323491 Temporarily turn off QoS cgroups on Fedora CoreOS controllers
* Kubelets can hit the ContainerManager Delegation issue and fail
to start (noted in 72c94f1c6). Its unclear why this occurs only
to some Kubelets (possibly an ordering concern)
* QoS cgroups remain a goal
* When a controller node is affected, bootstrapping fails, which
makes other development harder. Temporarily disable QoS on
controllers only. This should safeguard bring-up and hopefully
still allow the issue to occur on some workers for debugging
2019-07-19 00:17:03 -07:00
Dalton Hubble 6cd3e65267 Update kube-state-metrics from v1.7.0-rc.1 to v1.7.0
* https://github.com/kubernetes/kube-state-metrics/releases/tag/v1.7.0
* Add storageclasses and verticalpodautoscalers to ClusterRole
2019-07-19 00:14:47 -07:00
Dalton Hubble bb557b4ba0 Fix Fedora CoreOS preview links on docs site 2019-07-18 23:44:08 -07:00
Dalton Hubble c7ff1a2e01 Announce a preview with Fedora CoreOS preview 2019-07-18 09:13:40 -07:00
Dalton Hubble 5fdeb9bc78 Adjust Fedora CoreOS image locations
* Use the xz compressed images published by Fedora testing,
instead of gzippped tarballs. This is possible because the
initramfs now supports xz and coreos-installer 0.8 was added
* Separate bios and uefi raw images are no longer needed
2019-07-18 01:15:29 -07:00
Dalton Hubble 155bffa773 Add docs for Fedora CoreOS AWS and bare-metal 2019-07-18 00:55:22 -07:00
Dalton Hubble ce45e123fe Port Typhoon Fedora CoreOS support to AWS
* Use the newly minted "Fedora CoreOS Preview" AMI
* Remove iscsi, kubelet.path activation, and kubeconfig
distribution
* As usual, bare-metal efforts make cloud provider ports
much easier
2019-07-18 00:55:22 -07:00
Dalton Hubble 72c94f1c6a Add Kubelet System Container and bootkube bootstrap
* First semi-working cluster using 30.307-metal-bios
* Enable CPU, Memory, and BlockIO accounting
* Mount /var/lib/kubelet with `rshare` so mounted tmpfs Secrets
(e.g. serviceaccount's) are visible within appropriate containers
* SELinux relabel /etc/kubernetes so install-cni init containers
can write the CNI config to the host /etc/kubernetes/net.d
* SELinux relabel /var/lib/kubelet so ConfigMaps can be read
by containers
* SELinux relabel /opt/cni/bin so install-cni containers can
write CNI binaries to the host
* Set net.ipv4_conf.all.rp_filter to 1 (not 2, loose mode) to
satisfy Calico requirement
* Enable the QoS cgroup hierarchy for pod workloads (kubepods,
burstable, besteffort). Mount /sys/fs/cgroup and
/sys/fs/cgroup/systemd into the Kubelet. Its still rather racy
whether Kubelet will fail on ContainerManager Delegation
2019-07-18 00:55:22 -07:00
Dalton Hubble aab14c5573 Run etcd-member.service across controllers
* Running the etcd container with NOTIFY_SOCKET mounted
(to use systemd Type=notify) causes podman to hang so
for now just use exec
* https://github.com/opencontainers/runc/pull/1807
2019-07-18 00:55:22 -07:00
Dalton Hubble eb92f67125 Start prototype of Fedora CoreOS on bare-metal
* Use terraform-provider-ct v0.4.0 with Fedora CoreOS Config
support (not yet released)
2019-07-18 00:55:22 -07:00
Dalton Hubble dfa6bcfecf Relax terraform-provider-ct version constraint
* Allow updating terraform-provider-ct to any release
beyond v0.3.2, but below v1.0. This relaxes the prior
constraint that allowed only v0.3.y provider versions
2019-07-16 22:07:37 -07:00
Dalton Hubble 70f5cfd33e Update kube-state-metrics from v1.6.0 to v1.7.0-rc.1
* https://github.com/kubernetes/kube-state-metrics/releases/tag/v1.7.0-rc.1
* https://github.com/kubernetes/kube-state-metrics/releases/tag/v1.7.0-rc.0
2019-07-13 13:13:57 -07:00
Dalton Hubble 9e91d7f011 Upgrade Calico from v3.7.4 to v3.8.0
* Enable CNI bandwidth plugin for traffic shaping
* https://kubernetes.io/docs/concepts/extend-kubernetes/compute-storage-net/network-plugins/#support-traffic-shaping
2019-07-11 21:01:41 -07:00
Dalton Hubble eaf59bd33f Update Prometheus from v2.11.0-rc.0 to v2.11.0
* https://github.com/prometheus/prometheus/releases/tag/v2.11.0
2019-07-09 21:33:24 -07:00
Dalton Hubble 40640f3697 Upgrade nginx-ingress from v0.24.1 to v0.25.0
* Support networking.k8s.io/v1beta1 apiVersion
* Update RBAC cluster-role for networking.k8s.io/v1beta1
* https://github.com/kubernetes/ingress-nginx/releases/tag/nginx-0.25.0
2019-07-08 22:04:50 -07:00
Dalton Hubble 28ab746068 Update Prometheus from v2.10.0 to v2.11.0-rc.0
* https://github.com/prometheus/prometheus/releases/tag/v2.11.0-rc.0
2019-07-08 21:32:50 -07:00
Dalton Hubble 19596255a6 Fix malformed markdown table in OS docs 2019-07-08 20:54:46 -07:00
Dalton Hubble 69d064bfdf Run kube-apiserver with lower privilege user (nobody)
* Run kube-apiserver as a non-root user (nobody). User
no longer needs to bind low number ports.
* On most platforms, the kube-apiserver load balancer listens
on 6443 and fronts controllers with kube-apiserver pods using
port 6443. Google Cloud TCP proxy load balancers cannot listen
on 6443. However, GCP's load balancer can be made to listen on
443, while kube-apiserver uses 6443 across all platforms.
2019-07-08 20:52:00 -07:00
Dalton Hubble 7a69bae75e Raise GCP network deletion timeout from 4m to 6m
* Fix a GCP errata item https://github.com/poseidon/typhoon/wiki/Errata
* Removal of a Google Cloud cluster often required 2 runs of
`terraform apply` because network resource deletes timeout
after 4m. Raise the network deletion timeout to 6m to
ensure apply only needs to be run once to remove a cluster
2019-07-06 13:15:33 -07:00
Dalton Hubble 3fcb04f68c Improve apiserver backend service zone spanning
* google_compute_backend_services use nested blocks to define
backends (instance groups heterogeneous controllers)
* Use Terraform v0.12.x dynamic blocks so the apiserver backend
service can refer to (up to zone-many) controller instance groups
* Previously, with Terraform v0.11.x, the apiserver backend service
had to list a fixed set of backends to span controller nodes across
zones in multi-controller setups. 3 backends were used because each
GCP region offered at least 3 zones. Single-controller clusters had
the cosmetic ugliness of unused instance groups
* Allow controllers to span more than 3 zones if avilable in a
region (e.g. currently only us-central1, with 4 zones)

Related:

* https://www.terraform.io/docs/providers/google/r/compute_backend_service.html
* https://www.terraform.io/docs/configuration/expressions.html#dynamic-blocks
2019-07-05 19:46:26 -07:00
Dalton Hubble 8d373b5850 Update Calico from v3.7.3 to v3.7.4
* https://docs.projectcalico.org/v3.7/release-notes/
2019-07-02 20:18:02 -07:00
Dalton Hubble 307aaf5e30 Use Terraform v0.12 syntax in ingress docs
* Drop string interpolation in Google Cloud A records
shown in Nginx ingress addon docs
* Retain string interpolation syntax for CNAME records
since Google Cloud DNS expects records to end in "."
(some clouds add it automatically)
2019-06-29 13:50:49 -07:00
Dalton Hubble 9a395dbf88 Update Grafana from v6.2.4 to v6.2.5
* https://github.com/grafana/grafana/releases/tag/v6.2.5
2019-06-29 13:21:42 -07:00
Mateusz Gozdek fc6e8886ce Fix README link to Azure module (#502) 2019-06-29 13:20:03 -07:00
Dalton Hubble fff7cc035d Remove Fedora Atomic modules
* Typhoon for Fedora Atomic was deprecated in March 2019
* https://typhoon.psdn.io/announce/#march-27-2019
2019-06-23 13:40:51 -07:00
Dalton Hubble ca18fab5f0 Remove providers block, unused with Terraform v0.12
* Fix inconsistency btw README and the docs
2019-06-23 13:34:33 -07:00
Dalton Hubble 408e60075a Update Kubernetes from v1.14.3 to v1.15.0
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.15.md#v1150
* Remove docs referring to possible v1.14.4 release
2019-06-23 13:12:18 -07:00
Dalton Hubble 79d910821d Configure Kubelet cgroup-driver for Flatcar Linux Edge
* For Container Linux or Flatcar Linux alpha/beta/stable,
continue using the `cgroupfs` driver
* For Fedora Atomic, continue using the `systemd` driver
* For Flatcar Linux Edge, use the `systemd` driver
2019-06-22 23:38:42 -07:00
Dalton Hubble 5c4486f57b Allow using Flatcar Linux Edge on bare-metal and AWS
* On AWS, use Flatcar Linux Edge by setting `os_image` to
"flatcar-edge"
* On bare-metal, Flatcar Linux Edge by setting `os_channel` to
"flatcar-edge"
2019-06-22 23:38:42 -07:00
Dalton Hubble 331ebd90f6
Acknowledge DigitalOcean providing credits for test clusters (#500)
* [DigitalOcean](https://www.digitalocean.com/) kindly provides credits to support Typhoon test clusters. Many thanks!
2019-06-21 10:03:21 -07:00
Dalton Hubble 405015f52c Remove Fedora Atomic documentation
* Typhoon for Fedora Atomic was deprecated in March 2019
* https://typhoon.psdn.io/announce/#march-27-2019
2019-06-19 22:21:58 -07:00
Dalton Hubble d35c1cb9fb Fix advanced customization docs for Terraform v0.12
* Use Terraform v0.12 syntax in the Container Linux Config
snippet customization docs
2019-06-19 22:11:11 -07:00
Dalton Hubble 3d5be86aae Update provider plugin versions in tutorial docs
* Update Terraform provider plugin versions in docs to
reflect the recommended versions that we actively use
2019-06-19 21:58:43 -07:00
Dalton Hubble 4ad69efc43 Update Grafana from v6.2.2 to v6.2.4
* https://github.com/grafana/grafana/releases/tag/v6.2.4
2019-06-19 21:51:54 -07:00
Dalton Hubble ce7bff0066 Update mkdocs-material from v4.3.0 to v4.4.0 2019-06-16 12:28:37 -07:00
Dalton Hubble 21fb632e90 Update Calico from v3.7.2 to v3.7.3
* https://docs.projectcalico.org/v3.7/release-notes/
2019-06-13 23:54:20 -07:00
Dalton Hubble b168db139b Add tweaks to Terraform v0.12 migration docs
* Provide an exact SHA early migrators might use to
perform an in-place upgrade to Terraform v0.12
2019-06-13 23:52:00 -07:00
Johannes Liebermann e7dda155f3 Fix typo in maintenance docs (#494)
s/circuting/circuiting/
2019-06-11 19:59:42 -07:00
Dalton Hubble cc4f7e09ab Update node-exporter from v0.18.0 to v0.18.1
* https://github.com/prometheus/node_exporter/releases/tag/v0.18.1
2019-06-07 02:09:44 -07:00