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1786e34f33
typhoon/bare-metal/flatcar-linux/kubernetes
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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
..
butane Revert Graceful Node Shutdown feature 2022-09-10 14:58:44 -07:00
bootstrap.tf Update Kubernetes from v1.24.4 to v1.25.0 2022-08-25 09:18:14 -07:00
groups.tf Remove bare-metal CoreOS Container Linux profiles 2020-10-21 00:25:10 -07:00
LICENSE Rename container-linux modules to flatcar-linux 2020-10-20 22:47:19 -07:00
outputs.tf Set kubeconfig and asset_dist as sensitive 2020-11-23 11:41:55 -08:00
profiles.tf Migrate Flatcar Linux from Ignition spec v2.3.0 to v3.3.0 2022-08-03 08:32:52 -07:00
README.md Update Kubernetes from v1.24.4 to v1.25.0 2022-08-25 09:18:14 -07:00
ssh.tf Workaround Terraform v1.1 file provisioner regression 2021-12-28 13:25:23 -08:00
variables.tf Change default CNI provider from Calico to Cilium 2022-02-07 08:07:00 -08:00
versions.tf Remove Terraform template provider dependency 2022-08-02 18:15:03 -07:00

README.md

Typhoon

Typhoon is a minimal and free Kubernetes distribution.

  • Minimal, stable base Kubernetes distribution
  • Declarative infrastructure and configuration
  • Free (freedom and cost) and privacy-respecting
  • Practical for labs, datacenters, and clouds

Typhoon distributes upstream Kubernetes, architectural conventions, and cluster addons, much like a GNU/Linux distribution provides the Linux kernel and userspace components.

Features

  • Kubernetes v1.25.0 (upstream)
  • Single or multi-master, Calico or Cilium or flannel networking
  • On-cluster etcd with TLS, RBAC-enabled, network policy
  • Advanced features like snippets customization
  • Ready for Ingress, Prometheus, Grafana, and other optional addons

Docs

Please see the official docs and the bare-metal tutorial.