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| author | Kubernetes Prow Robot <k8s-ci-robot@users.noreply.github.com> | 2021-09-09 10:56:11 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-09-09 10:56:11 -0700 |
| commit | c34d339d35833bea932d3f4af43dfbb2fdfd240c (patch) | |
| tree | 11a616a8be7d1751d07bffc16b6f131455119977 | |
| parent | 4ae8b8636cd8df40fbae62bf6cc7d7f2e007fe5c (diff) | |
| parent | 06fcf734d74705a8d725770a18fc5280e9e3c484 (diff) | |
Merge pull request #5998 from endocrimes/dani/take-a-pause
sig-node: add doc with basic info for pause image updates
| -rw-r--r-- | contributors/devel/sig-node/updating-pause-images.md | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/contributors/devel/sig-node/updating-pause-images.md b/contributors/devel/sig-node/updating-pause-images.md new file mode 100644 index 00000000..f031c9b5 --- /dev/null +++ b/contributors/devel/sig-node/updating-pause-images.md @@ -0,0 +1,49 @@ +# Updating Pause Image References + +The Kubernetes `pause` image is used to run a 'parent' container for all +the other containers inside your pod. This image is referenced across many +projects within the Kubernetes ecosystem, and it's important that we keep them +all up to date to ensure stable platform support and to avoid confusing things +for end users. + +However, we do need to update those images in a somewhat staggered way across +the ecosystem, rather than doing it all at once. + +### Useful Links + +- [Pause Image Changelog][pause-cl] +- [What is the role of 'pause' container?](https://groups.google.com/g/kubernetes-users/c/jVjv0QK4b_o) +- [The Almighty Pause Container](https://www.ianlewis.org/en/almighty-pause-container) + +### Coordinating updates + +When a new `pause` image is released, we generally try to update it in the +following order, this is to try and ensure that repositories stay in sync, while +keeping changes well tested and developers unblocked. + +#### First level (core projects) + +- [kubernetes/kubernetes][k-k-repo] +- [kubernetes/test-infra][k-infra-repo] + +#### Second level (kubernetes-sigs) + +- [kubernetes-sigs/image-builder][ks-image-builder] +- [kubernetes-sigs/kind][ks-kind] + +#### Third level (runtimes) + +- [cri-o/cri-o][crio] +- [containerd/containerd][containerd] + +#### Fourth level (other projects) + +- [kubernetes/minikube][k-minikube] + +[k-k-repo]: https://github.com/kubernetes/kubernetes +[k-infra-repo]: https://github.com/kubernetes/test-infra +[ks-kind]: https://github.com/kubernetes-sigs/kind +[crio]: https://github.com/cri-o/cri-o +[containerd]: https://github.com/containerd/containerd +[k-minikube]: https://github.com/kubernetes/minikube +[pause-cl]: https://github.com/kubernetes/kubernetes/blob/master/build/pause/CHANGELOG.md |