[occm] add a new hack/bump-release.sh script (#2441)

* [occm] add a new `hack/bump-release.sh` script

* Update release-procedure.md

hack/bump-release.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+# Copyright 2023 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+FROM_MAJOR="${1:?FROM_MAJOR (1st arg) not set or empty}"
+TO_MAJOR="${2:?TO_MAJOR (2nd arg) not set or empty}"
+TO_MINOR="${3:?TO_MINOR (3rd arg) not set or empty}"
+
+# example usage: hack/bump_release.sh 28 28 1
+# should replace 1.28.x with 1.28.1 / 2.28.x with 2.28.1
+
+find charts docs manifests tests examples -type f -exec sed -i -re 's/((ersion)?: ?v?)?([1-2]\.)'${FROM_MAJOR}'\.([0-9][0-9a-zA-Z.-]*)/\1\3'${TO_MAJOR}'.'${TO_MINOR}'/g' "{}" \;

release-procedure.md

@@ -1,32 +1,42 @@
 # Release Procedure
 
-Cloud Provider OpenStack Release is done in sync with kubernetes/kubernetes, Minor versions can be released intermittently for critical bug fixes.
-
-## Before Release
-
-Update cloud-provider-openstack to kubernetes/kubernetes latest release. Make Sure all CI check passed.
+The Cloud Provider OpenStack Release is done in sync with
+kubernetes/kubernetes. Minor versions can be released intermittently for
+critical bug fixes.
 
 ## Making a Release
 
-1. Checkout the release branch
+1. Checkout the release branch.
 
-```
+```bash
 $ git fetch upstream
-$ git checkout -b release-X.Y upstream/release-X.Y
+$ git checkout -b my-release upstream/release-X.Y
 ```
 
-2. Update manifests with new release images, create a PR against release branch to update.
+2. Update the minor version with the expected version.
 
-3. Make tag and push to upstream repo.
+Make changes in the `docs/manifests/tests/examples` directories using the
+`hack/bump_release.sh` script by running the following command:
 
+```bash
+$ hack/bump_release.sh 28 29 0
 ```
-$ git tag vX.Y.Z
+
+This will replace `1.28.x`/`2.28.x` with `1.29.0`/`2.29.0` strings in the
+`docs/manifests/tests/examples` directories. Ensure that you double-check the
+diff before committing the changes. Non-related changes must not be shipped.
+
+3. Create a new pull request (PR) and make sure all CI checks have passed.
+
+4. Once the PR is merged, make a tag and push it to the upstream repository.
+
+```bash
+$ git checkout -b release-X.Y upstream/release-X.Y
+$ git pull upstream release-X.Y --tags
+$ git tag -m "Release for cloud-provider-openstack to support Kubernetes release x" vX.Y.Z
 $ git push upstream vX.Y.Z
 ```
 
-4. [Github Actions](https://github.com/kubernetes/cloud-provider-openstack/actions/workflows/release-cpo.yaml) will make [new draft release](https://github.com/kubernetes/cloud-provider-openstack/releases) to repository.
-Cloudbuild should build new images to gcr.io/k8s-staging-provider-os. 
-
-5. Make PR modifying [images.yaml](https://github.com/kubernetes/k8s.io/blob/main/registry.k8s.io/images/k8s-staging-provider-os/images.yaml) to promote gcr.io images to registry.k8s.io.
+5. [Github Actions](https://github.com/kubernetes/cloud-provider-openstack/actions/workflows/release-cpo.yaml) will create new [Docker images](https://console.cloud.google.com/gcr/images/k8s-staging-provider-os) and generate a [new draft release](https://github.com/kubernetes/cloud-provider-openstack/releases) in the repository.
 
-6. Make release notes and publish the release after the new images are published.
+6. Create release notes using the "Generate release notes" button in the GitHub "New release" UI and publish the release.