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228 Commits

Author SHA1 Message Date
Dalton Hubble
c259142c28 Update Cilium from v1.14.0 to v1.14.1 2023-08-20 16:09:22 -07:00
Dalton Hubble
81eed2e909 Update Kubernetes from v1.27.4 to v1.28.0 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.28.md#v1280
 2023-08-20 15:41:23 -07:00
Dalton Hubble
d29e6e3de1 Upgrade Cilium from v1.13.4 to v1.14.0 
* https://github.com/poseidon/terraform-render-bootstrap/pull/360
* Also update flannel from v0.22.0 to v0.22.1
 2023-07-30 09:36:23 -07:00
Dalton Hubble
0a6183f859 Update Kubernetes from v1.27.3 to v1.27.4 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.27.md#v1274
 2023-07-21 08:00:50 -07:00
Dalton Hubble
9a28fe79a1 Upgrade Calico from v3.25.1 to v3.26.1 
* Add new CRD bgpfilters and new ClusterRoles calico-cni-plugin

Rel: https://github.com/poseidon/terraform-render-bootstrap/pull/358
 2023-06-19 12:28:53 -07:00
Dalton Hubble
7255f82d71 Update Kubernetes fromv 1.27.2 to v1.27.3 
* Update Cilium v1.13.3 to v1.13.4

Rel: https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.27.md#v1273
 2023-06-16 08:28:17 -07:00
Dalton Hubble
6f4b4cc508 Update Cilium from v1.13.2 to v1.13.3 
* Also update flannel v0.21.2 to v0.22.0

Rel: https://github.com/poseidon/terraform-render-bootstrap/pull/355
 2023-06-11 19:59:10 -07:00
Dalton Hubble
2a5a43f3a4 Update etcd from v3.5.8 to v3.5.9 
* https://github.com/etcd-io/etcd/releases/tag/v3.5.9
 2023-06-11 19:28:23 -07:00
Dalton Hubble
8ebf31073c Update Kubernetes from v1.27.1 to v1.27.2 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.27.md#v1272
 2023-05-21 14:02:49 -07:00
Dalton Hubble
fc444d25f8 Update poseidon/ct provider and Butane Config version 
* Update Fedora CoreOS Butane configs from v1.4.0 to v1.5.0
* Require Fedora CoreOS Butane snippets update to v1.1.0
* Require poseidon/ct Terraform provider v0.13 or newer
* Use Ignition v3.4.0 spec for all node provisioning
 2023-04-21 08:58:20 -07:00
Dalton Hubble
5feb4c63f7 Update Cilium from v1.13.1 to v1.13.2 
* https://github.com/cilium/cilium/releases/tag/v1.13.2
 2023-04-20 08:44:31 -07:00
Dalton Hubble
501e6d25e0 Update Kubernetes from v1.27.0 to v1.27.1 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.27.md#v1271
 2023-04-15 23:16:51 -07:00
Dalton Hubble
1e76e1a200 Update etcd from v3.5.7 to v3.5.8 
* https://github.com/etcd-io/etcd/releases/tag/v3.5.8
 2023-04-15 22:54:31 -07:00
Dalton Hubble
4322857bec Update Kubernetes from v1.26.3 to v1.27.0 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.27.md#v1270
 2023-04-15 22:49:12 -07:00
Dalton Hubble
5f303212d2 Update Cilium to use an init container to install CNI plugins 
* https://github.com/poseidon/terraform-render-bootstrap/pull/348
 2023-03-29 10:35:21 -07:00
Dalton Hubble
3670ec7ed7 Update Kubernetes from v1.26.2 to v1.26.3 
* Update Cilium from v1.13.0 to v1.13.1
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.26.md#v1263
 2023-03-21 18:18:19 -07:00
Dalton Hubble
2b3cd451d2 Update Cilium from v1.12.6 to v1.13.0 
* https://github.com/cilium/cilium/releases/tag/v1.13.0
 2023-03-14 11:16:14 -07:00
Dalton Hubble
76ebc08fd2 Update Kubernetes from v1.26.1 to v1.26.2 
* https://github.com/poseidon/terraform-render-bootstrap/pull/345
 2023-03-01 17:13:16 -08:00
Dalton Hubble
f3c327007d Update flannel from v0.20.2 to v0.21.1 
* https://github.com/flannel-io/flannel/releases/tag/v0.21.1
 2023-02-09 09:56:25 -08:00
Dalton Hubble
406fb444f0 Update Cilium from v1.12.5 to v1.12.6 
* https://github.com/cilium/cilium/releases/tag/v1.12.6
 2023-02-09 09:45:40 -08:00
Dalton Hubble
a205922d06 Update Calico from v3.24.5 to v3.25.0 
* https://github.com/poseidon/terraform-render-bootstrap/pull/342
 2023-01-24 08:29:08 -08:00
Dalton Hubble
b5ba65d4c2 Update etcd from v3.5.6 to v3.5.7 
* https://github.com/etcd-io/etcd/releases/tag/v3.5.7
 2023-01-24 08:29:08 -08:00
Dalton Hubble
f2bf5ac3fb Update Kubernetes from v1.26.0 to v1.26.1 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.26.md#v1261
 2023-01-19 08:27:56 -08:00
Dalton Hubble
0afe9d65ed Update Cilium from v1.12.4 to v1.12.5 
* https://github.com/cilium/cilium/releases/tag/v1.12.5
 2022-12-21 08:13:35 -08:00
Dalton Hubble
d6cbcf9f96 Update Kubernetes from v1.26.0-rc.1 to v1.26.0 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.26.md#v1260
 2022-12-08 08:47:24 -08:00
Dalton Hubble
0dc8740c77 Update Kubernetes from v1.26.0-rc.0 to v1.26.0-rc.1 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.26.md#v1260-rc1
 2022-12-05 09:31:45 -08:00
Dalton Hubble
a9b12b6bca Update Kubernetes from v1.25.4 to v1.26.0-rc.0 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.26.md#v1260-rc0
 2022-11-30 08:47:40 -08:00
Dalton Hubble
a8990b3045 Fix flannel container image registry location 
* https://github.com/poseidon/terraform-render-bootstrap/pull/336
 2022-11-23 16:18:30 -08:00
Dalton Hubble
b4857c123e Update flannel from v0.15.1 to v0.20.1 
* https://github.com/flannel-io/flannel/releases/tag/v0.20.1
 2022-11-23 11:03:29 -08:00
Dalton Hubble
a193762eed Update etcd from v3.5.5 to v3.5.6 
* https://github.com/etcd-io/etcd/releases/tag/v3.5.6
 2022-11-23 10:59:17 -08:00
Dalton Hubble
adf33df99b Update Cilium from v1.12.3 to v1.12.4 
* https://github.com/cilium/cilium/releases/tag/v1.12.4
 2022-11-23 10:58:27 -08:00
Dalton Hubble
26dbc7e91d Update Kubernetes from v1.25.3 to v1.25.4 
* Update Calico from v3.24.3 to v3.24.5
* Update Prometheus and Grafana addons
 2022-11-10 09:42:21 -08:00
Dalton Hubble
937acc4b5a Re-enable Graceful Node Shutdown feature 
* Kubelet GracefulNodeShutdown works, but only partially handles
gracefully stopping the Kubelet. The most noticeable drawback
is that Completed Pods are left around
* Use a project like poseidon/scuttle or a similar systemd unit
as a snippet to add drain and/or delete behaviors if desired
* This reverts commit 1786e34f33.

Rel:

* https://www.psdn.io/posts/kubelet-graceful-shutdown/
* https://github.com/poseidon/scuttle
 2022-11-02 20:49:01 -07:00
Dalton Hubble
9b733d79c7 Update Calico v3.24.2 to v3.24.3 
* https://github.com/projectcalico/calico/releases/tag/v3.24.3
* Add patch to allow Kubelet kubeconfig to drain nodes if desired
in addition to just deleting them in shutdown integrations. See
https://github.com/poseidon/terraform-render-bootstrap/pull/330
 2022-10-23 22:00:15 -07:00
Dalton Hubble
35a9e22b1f Update Calico from v3.24.1 to v3.24.2 
* https://github.com/projectcalico/calico/releases/tag/v3.24.2
 2022-10-20 09:28:19 -07:00
Dalton Hubble
0f38a6d405 Remove defunct delete-node.service from worker nodes 
* delete-node.service used to be used to remove nodes from the
cluster on shutdown, but its long since it last worked properly
* If there is still a desire for this concept, it can be added
with a custom snippet and with a better systemd unit
 2022-10-20 08:43:48 -07:00
Dalton Hubble
a535581ef2 Remove unused Wants=network.target from etcd-member 
* network.target is a passive unit that's not actually pulled
in by units requiring or wanting it, its only used for shutdown
ordering
> "Services using the network should ... avoid any Wants=network.target or even Requires=network.target"

Rel: https://www.freedesktop.org/wiki/Software/systemd/NetworkTarget/
 2022-10-20 08:32:55 -07:00
Dalton Hubble
3ff2d38fa5 Update Cilium from v1.12.2 to v1.12.3 
* https://github.com/cilium/cilium/releases/tag/v1.12.3
 2022-10-17 17:25:23 -07:00
Dalton Hubble
b68f8bb2a9 Switch Azure Fedora CoreOS default worker type 
* Change default Azure worker_type from Standard_DS1_v2 to Standard_D2as_v5
  * Get 2 VCPU, 7 GiB, 12500Mbps (vs 1 VCPU, 3.5GiB, 750 Mbps)
  * Small increase in pay-as-you-go price ($53.29 -> $62.78)
  * Small increase in spot price ($5.64/mo -> $7.37/mo)
  * Change from Intel to AMD EPYC (`D2as_v5` cheaper than `D2s_v5`)

Rel:

* https://github.com/poseidon/typhoon/pull/1248
* https://learn.microsoft.com/en-us/azure/virtual-machines/dasv5-dadsv5-series#dasv5-series
* https://learn.microsoft.com/en-us/azure/virtual-machines/dv2-dsv2-series#dsv2-series
 2022-10-13 21:23:57 -07:00
Dalton Hubble
651151805d Update Kubernetes v1.25.2 to v1.25.3 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.25.md#v1253
 2022-10-13 21:02:39 -07:00
Dalton Hubble
3ee462a24c Update Kubernetes from v1.25.1 to v1.25.2 
* https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.25.md#v1252
 2022-09-22 08:15:30 -07:00
Dalton Hubble
74d4d56dbd Remove workaround for v1.25.0 ConfigMap rendering issue 
* LocalStorageCapacityIsolationFSQuotaMonitoring was reverted back to
alpha in v1.25.1, so we don't need to explicitly disable it anymore

Rel: https://github.com/kubernetes/kubernetes/issues/112081
 2022-09-19 09:10:24 -07:00
Dalton Hubble
5abe84b520 Update etcd from v3.5.4 to v3.5.5 
* https://github.com/etcd-io/etcd/blob/main/CHANGELOG/CHANGELOG-3.5.md#v355
 2022-09-15 09:01:45 -07:00
Dalton Hubble
951209d113 Update Cilium from v1.12.1 to v1.12.2 
* https://github.com/cilium/cilium/releases/tag/v1.12.2
 2022-09-15 08:28:37 -07:00
Dalton Hubble
09751cc0e8 Update Kubernetes from v1.25.0 to v1.25.1 
* https://github.com/kubernetes/kubernetes/releases/tag/v1.25.1
 2022-09-15 08:23:22 -07:00
Dalton Hubble
c14300f0be Update Calico from v3.23.3 to v3.24.1 
* https://github.com/projectcalico/calico/releases/tag/v3.24.1
 2022-09-14 08:09:38 -07:00
Dalton Hubble
1786e34f33 Revert Graceful Node Shutdown feature 
* Disable Kubelet Graceful Node Shutdown on worker nodes (enabled in
Kubernetes v1.25.0 https://github.com/poseidon/typhoon/pull/1222)
* Graceful node shutdown shutdown allows 30s for critical pods to
shutdown and 15s for regular pods to shutdown before releasing the
inhibitor lock to allow the host to shutdown
* Unfortunately, both pods and the node are shutdown at the same
time at the end of the 45s period without further configuration
options. As a result, regular pods and the node are shutdown at the
same time. In practice, enabling this feature leaves Error or Completed
pods in kube-apiserver state until manually cleaned up. This feature
is not ready for general use
* Fix issue where Error/Completed pods are accumulating whenever any
node restarts (or auto-updates), visible in kubectl get pods
* This issue wasn't apparent in initial testing and seems to only
affect non-critical pods (due to critical pods being killed earlier)
But its very apparent on our real clusters

Rel: https://github.com/kubernetes/kubernetes/issues/110755
 2022-09-10 14:58:44 -07:00
Dalton Hubble
393a38deff Configure Graceful Node Shutdown and lengthen max inhibitor delay 
* Configure Kubelet Graceful Node Shutdown to detect system shutdown
events and stop running containers gracefully when possible
* Allow up to 30s for critical pods to gracefully shutdown
* Allow up to 15s for regular pods to gracefully shutdown
* Node will be marked as NotReady promptly, instead of having to
wait for health checks
* Kubelet uses systemd inhibitor locks to delay shutdown for a limited
number of seconds
* Raise the default max inhibitor time from 5s to 45s

Verify systemd inhibitor locks are present:

```
sudo systemd-inhibit --list
WHO     UID USER PID  COMM    WHAT     WHY                                        MODE
kubelet 0   root 4581 kubelet shutdown Kubelet needs time to handle node shutdown delay
```

Tail journal logs and then shutdown a node via systemctl reboot
or via the cloud console to watch container shutdown

Rel:

* https://kubernetes.io/blog/2021/04/21/graceful-node-shutdown-beta/
* https://kubernetes.io/docs/reference/config-api/kubelet-config.v1beta1/
* https://github.com/kubernetes/kubernetes/issues/107043
* https://github.com/coreos/fedora-coreos-tracker/issues/821
* https://www.freedesktop.org/software/systemd/man/systemd-inhibit.html
* https://github.com/kubernetes/kubernetes/blob/release-1.24/pkg/kubelet/nodeshutdown/nodeshutdown_manager_linux.go
* https://github.com/godbus/dbus/blob/master/conn.go
 2022-08-28 10:37:33 -07:00
Dalton Hubble
76d92e9c2d Change podman log-driver from journald to k8s-file 
* When podman runs the Kubelet container, logging to journald means
log lines are duplicated in the journal. journalctl -u kubelet shows
Kubelet's logs and the same log messages from podman. Using the
k8s-file driver alleviates this problem
* Fix Kubelet and etcd-member logs to be more readable and reduce
unneccessary Kubelet log volume
 2022-08-27 17:15:22 -07:00
Dalton Hubble
275fc0f9e8 Disable LocalStorageCapacityIsolationFSQuotaMonitoring feature 
* Kubernetes v1.25.0 moved the LocalStorageCapacityIsolationFSQuotaMonitoring
feature from alpha to beta, but it breaks Kubelet updating ConfigMaps in
Pods, as shown by conformance tests
* Kubernetes is rolling LocalStorageCapacityIsolationFSQuotaMonitoring back
to alpha so its not enabled by default, but that will require a release
* Disable the feature gate directly as a workaround for now to make
Kubernetes v1.25.0 usable

```
FailedMount: MountVolume.SetUp failed for volume "configmap-volume" : requesting quota on existing directory /var/lib/kubelet/pods/f09fae17-ff16-4a05-aab3-7b897cb5b732/volumes/kubernetes.io~configmap/configmap-volume but different pod 673ad247-abf0-434e-99eb-1c3f57d7fdaa a4568e94-2b2d-438f-a4bd-c9edc814e478
```

Rel:

* https://github.com/kubernetes/kubernetes/pull/112076
* https://github.com/kubernetes/kubernetes/pull/107329
 2022-08-27 09:49:35 -07:00