release-tools: update

Commit summary:
7c5a89c8 prow.sh: use 1.3.0 hostpath driver for testing
fdb32183 Change 'make test-vet' to call 'go vet'
5f74333a prow.sh: also configure feature gates for kubelet
84f78b12 prow.sh: generic driver installation
fa90abd0 fix incorrect link
ac8a0212 Document the process for releasing a new sidecar
6582f2ff Update hostpath driver version to get fix for connection-timeout
8191eab6 Update snapshotter to version v2.0.0
8b0316c7 Fix overriding of junit results by using unique names for each e2e run
af9549b5 Update prow hostpath driver version to 1.3.0-rc2
fc809759 Fix version_gt to work with kubernetes prefix
b98b2aed Enable snapshot tests in 1.17 to be run in non-alpha jobs.
a4e62996 fix syntax for ppc64le build
4ad69492 Improve snapshot pod running checks and improve version_gt
53888ae7 Improve README by adding an explicit Kubernetes dependency section
9a7a685e Create a kind cluster with two worker nodes so that the topology feature can be tested. Test cases that test accessing volumes from multiple nodes need to be skipped
80bba1fe Use kind v0.6.0
003c14b2 Add snapshotter CRDs after cluster setup
83a4ef15 Adding build for ppc64le
This commit is contained in:
Patrick Ohly
2020-02-14 17:10:30 +01:00
4 changed files with 292 additions and 88 deletions

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# Sidecar Release Process
This page describes the process for releasing a kubernetes-csi sidecar.
## Prerequisites
The release manager must:
* Be a member of the kubernetes-csi organization. Open an
[issue](https://github.com/kubernetes/org/issues/new?assignees=&labels=area%2Fgithub-membership&template=membership.md&title=REQUEST%3A+New+membership+for+%3Cyour-GH-handle%3E) in
kubernetes/org to request membership
* Be a top level approver for the repository. To become a top level approver,
the candidate must demonstrate ownership and deep knowledge of the repository
through active maintainence, responding to and fixing issues, reviewing PRs,
test triage.
* Be part of the maintainers or admin group for the repository. admin is a
superset of maintainers, only maintainers level is required for cutting a
release. Membership can be requested by submitting a PR to kubernetes/org.
[Example](https://github.com/kubernetes/org/pull/1467)
## Updating CI Jobs
Whenever a new Kubernetes minor version is released, our kubernetes-csi CI jobs
must be updated.
[Our CI jobs](https://k8s-testgrid.appspot.com/sig-storage-csi-ci) have the
naming convention `<hostpath-deployment-version>-on-<kubernetes-version>`.
1. Jobs should be actively monitored to find and fix failures in sidecars and
infrastructure changes early in the development cycle. Test failures are sent
to kubernetes-sig-storage-test-failures@googlegroups.com.
1. "-on-master" jobs are the closest reflection to the new Kubernetes version.
1. Fixes to our prow.sh CI script can be tested in the [CSI hostpath
repo](https://github.com/kubernetes-csi/csi-driver-host-path) by modifying
[prow.sh](https://github.com/kubernetes-csi/csi-driver-host-path/blob/master/release-tools/prow.sh)
along with any overrides in
[.prow.sh](https://github.com/kubernetes-csi/csi-driver-host-path/blob/master/.prow.sh)
to mirror the failing environment. Once e2e tests are passing (verify-unit tests
will fail), then the prow.sh changes can be submitted to [csi-release-tools](https://github.com/kubernetes-csi/csi-release-tools).
1. Changes can then be updated in all the sidecar repos and hostpath driver repo
by following the [update
instructions](https://github.com/kubernetes-csi/csi-release-tools/blob/master/README.md#sharing-and-updating).
1. New pull and CI jobs are configured by
[gen-jobs.sh](https://github.com/kubernetes/test-infra/blob/master/config/jobs/kubernetes-csi/gen-jobs.sh).
New pull jobs that have been unverified should be initially made optional.
[Example](https://github.com/kubernetes/test-infra/pull/15055)
1. Once new pull and CI jobs have been verified, and the new Kubernetes version
is released, we can make the optional jobs required, and also remove the
Kubernetes versions that are no longer supported.
## Release Process
1. Identify all issues and ongoing PRs that should go into the release, and
drive them to resolution.
1. Download [K8s release notes
generator](https://github.com/kubernetes/release/tree/master/cmd/release-notes)
1. Generate release notes for the release. Replace arguments with the relevant
information.
```
GITHUB_TOKEN=<token> ./release-notes --start-sha=0ed6978fd199e3ca10326b82b4b8b8e916211c9b --end-sha=3cb3d2f18ed8cb40371c6d8886edcabd1f27e7b9 \
--github-org=kubernetes-csi --github-repo=external-attacher -branch=master -output out.md
```
* `--start-sha` should point to the last release from the same branch. For
example:
* `1.X-1.0` tag when releasing `1.X.0`
* `1.X.Y-1` tag when releasing `1.X.Y`
1. Compare the generated output to the new commits for the release to check if
any notable change missed a release note.
1. Reword release notes as needed. Make sure to check notes for breaking
changes and deprecations.
1. If release is a new major/minor version, create a new `CHANGELOG-<major>.<minor>.md`
file. Otherwise, add the release notes to the top of the existing CHANGELOG
file for that minor version.
1. Submit a PR for the CHANGELOG changes.
1. Submit a PR for README changes, in particular, Compatibility, Feature status,
and any other sections that may need updating.
1. Check that all [canary CI
jobs](https://k8s-testgrid.appspot.com/sig-storage-csi-ci) are passing,
and that test coverage is adequate for the changes that are going into the release.
1. Make sure that no new PRs have merged in the meantime, and no PRs are in
flight and soon to be merged.
1. Create a new release following a previous release as a template. Be sure to select the correct
branch. This requires Github release permissions as required by the prerequisites.
[external-provisioner example](https://github.com/kubernetes-csi/external-provisioner/releases/new)
1. If release was a new major/minor version, create a new `release-<minor>`
branch at that commit.
1. Update [kubernetes-csi/docs](https://github.com/kubernetes-csi/docs) sidecar
and feature pages with the new released version.
1. After all the sidecars have been released, update
CSI hostpath driver with the new sidecars in the [CSI repo](https://github.com/kubernetes-csi/csi-driver-host-path/tree/master/deploy)
and [k/k
in-tree](https://github.com/kubernetes/kubernetes/tree/master/test/e2e/testing-manifests/storage-csi/hostpath/hostpath)