Update the release process doc (#5419)

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Maxime Guyot 2019-12-10 13:41:29 +01:00 committed by Kubernetes Prow Robot
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The Kubespray Project is released on an as-needed basis. The process is as follows: The Kubespray Project is released on an as-needed basis. The process is as follows:
1. An issue is proposing a new release with a changelog since the last release 1. An issue is proposing a new release with a changelog since the last release
2. At least one of the [OWNERS](OWNERS) must LGTM this release 2. At least one of the [approvers](OWNERS_ALIASES) must approve this release
3. An OWNER runs `git tag -s $VERSION` and inserts the changelog and pushes the tag with `git push $VERSION` 3. An approver creates [new release in GitHub](https://github.com/kubernetes-sigs/kubespray/releases/new) using a version and tag name like `vX.Y.Z` and attaching the release notes
4. The release issue is closed 4. An approver creates a release branch in the form `release-vX.Y`
5. An announcement email is sent to `kubernetes-dev@googlegroups.com` with the subject `[ANNOUNCE] Kubespray $VERSION is released` 5. The corresponding version of [quay.io/kubespray/kubespray:vX.Y.Z](https://quay.io/repository/kubespray/kubespray) docker image is built and tagged
6. The `KUBESPRAY_VERSION` variable is updated in `.gitlab-ci.yml`
7. The release issue is closed
8. An announcement email is sent to `kubernetes-dev@googlegroups.com` with the subject `[ANNOUNCE] Kubespray $VERSION is released`
## Major/minor releases, merge freezes and milestones ## Major/minor releases, merge freezes and milestones
* Kubespray does not maintain stable branches for releases. Releases are tags, not * Kubespray maintains one branch for major releases (vX.Y). Minor releases are available only as tags.
branches, and there are no backports. Therefore, there is no need for merge
freezes as well. * Security patches and bugs might be backported.
* Fixes for major releases (vX.x.0) and minor releases (vX.Y.x) are delivered * Fixes for major releases (vX.x.0) and minor releases (vX.Y.x) are delivered
via maintenance releases (vX.Y.Z) and assigned to the corresponding open via maintenance releases (vX.Y.Z) and assigned to the corresponding open