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Add CoreOS Container Linux EOL recommendation to CHANGES 

* Recommend that users who have not yet tried Fedora CoreOS or
Flatcar Linux do so. Likely, Container Linux will reach EOL
and platform support / stability ratings will be in a mixed
state. Nevertheless, folks should migrate by September.
This commit is contained in:
Dalton Hubble 2020-03-26 23:37:12 -07:00
parent 076b8e3c42
commit a1a5da6bc2
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@ -9,16 +9,18 @@ Notable changes between versions.
* Kubernetes [v1.18.0](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.18.md#v1180)
* Update etcd from v3.4.4 to [v3.4.5](https://github.com/etcd-io/etcd/releases/tag/v3.4.5)
* Switch from upstream hyperkube image to individual images ([#669](https://github.com/poseidon/typhoon/pull/669))
* Use upstream `k8s.gcr.io` `kube-apiserver`, `kube-controller-manager`, `kube-scheduler`, and `kube-proxy` container images
* Use [poseidon/kubelet](https://github.com/poseidon/kubelet) to package the upstream Kubelet binary (checksummed) and
its dependencies as an automated build container image [quay.io/poseidon/kubelet](https://quay.io/repository/poseidon/kubelet)
* Update base images for control plane and Kubelet images used by Typhoon from upstream's debian 9 (stretch) to debian 10
(buster) base
* Update Typhoon container image security policy to list `quay.io/poseidon/kubelet`as an official distributed artifact
* Background: Kubernetes will [stop releasing](https://github.com/kubernetes/kubernetes/pull/88676) the hyperkube container
image and provide the Kubelet as a binary for distros to package
* Use upstream k8s.gcr.io `kube-apiserver`, `kube-controller-manager`, `kube-scheduler`, and `kube-proxy` container images
* Use [poseidon/kubelet](https://github.com/poseidon/kubelet) to package the upstream Kubelet binary and dependencies as a container image (checksummed, automated build)
* Add [quay.io/poseidon/kubelet](https://quay.io/repository/poseidon/kubelet) as a Typhoon distributed artifact in the security policy
* Update base images from debian 9 to debian 10
* Background: Kubernetes will [stop releasing](https://github.com/kubernetes/kubernetes/pull/88676) the hyperkube container image and provide the Kubelet as a binary for packaging
* Choose Fedora CoreOS or Flatcar Linux (**action recommended**)
* Use a `fedora-coreos` module for Fedora CoreOS
* Use a `container-linux` module with OS set for Flatcar Linux (varies, see docs)
* CoreOS Container Linux [won't receive updates](https://coreos.com/os/eol/) after May 2020
* Set Fedora CoreOS log driver back to the default `journald` ([#681](https://github.com/poseidon/typhoon/pull/681))
* Deprecate `asset_dir` variable and remove docs ([#678](https://github.com/poseidon/typhoon/pull/678))
* Deprecate support for [gitRepo](https://kubernetes.io/docs/concepts/storage/volumes/#gitrepo) volumes. A future release will drop support.
#### DigitalOcean