Merge commit 'cf439164991d224aa2e6f3ed1bcf931cd2cb1fdb' into update_release-tools_1123

release-tools/generate_patch_release_notes.sh

@@ -0,0 +1,106 @@
+#!/bin/bash
+
+# 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.
+
+
+# Usage: generate_patch_release_notes.sh
+#
+# Generates and creates PRs for kubernetes-csi patch releases.
+#
+# Required environment variables
+# CSI_RELEASE_TOKEN: Github token needed for generating release notes
+# GITHUB_USER: Github username to create PRs with
+#
+# Instructions:
+# 1. Login with "gh auth login"
+# 2. Copy this script to the kubernetes-csi directory (one directory above the
+# repos)
+# 3. Update the repos and versions in the $releases array
+# 4. Set environment variables
+# 5. Run script from the kubernetes-csi directory
+#
+# Caveats:
+# - This script doesn't handle regenerating and updating existing PRs yet.
+#   It might work if you comment out the PR creation line
+
+set -e
+set -x
+
+releases=(
+#  "external-attacher 4.4.1"
+#  "external-provisioner 3.6.1"
+#  "external-snapshotter 6.2.3"
+)
+
+function gen_patch_relnotes() {
+  rm out.md || true
+  rm -rf /tmp/k8s-repo || true
+  GITHUB_TOKEN="$CSI_RELEASE_TOKEN" \
+  release-notes --discover=patch-to-latest --branch="$2" \
+    --org=kubernetes-csi --repo="$1" \
+    --required-author="" --markdown-links --output out.md
+}
+
+for rel in "${releases[@]}"; do
+  read -r repo version <<< "$rel"
+
+  # Parse minor version
+  minorPattern="(^[[:digit:]]+\.[[:digit:]]+)\."
+  [[ "$version" =~ $minorPattern ]]
+  minor="${BASH_REMATCH[1]}"
+
+  echo "$repo" "$version" "$minor"
+
+  pushd "$repo/CHANGELOG"
+
+  git fetch upstream
+
+  # Create branch
+  branch="changelog-release-$minor"
+  git checkout master
+  git branch -D "$branch" || true
+  git checkout --track "upstream/release-$minor" -b "$branch"
+
+  # Generate release notes
+  gen_patch_relnotes "$repo" "release-$minor"
+  cat > tmp.md <<EOF
+# Release notes for v$version
+
+[Documentation](https://kubernetes-csi.github.io)
+
+EOF
+
+  cat out.md >> tmp.md
+  echo >> tmp.md
+
+  file="CHANGELOG-$minor.md"
+  cat "$file" >> tmp.md
+  mv tmp.md "$file"
+
+  git add -u
+  git commit -m "Add changelog for $version"
+  git push -f origin "$branch"
+
+  # Create PR
+prbody=$(cat <<EOF
+\`\`\`release-note
+NONE
+\`\`\`
+EOF
+)
+  gh pr create --title="Changelog for v$version" --body "$prbody"  --head "$GITHUB_USER:$branch" --base "release-$minor" --repo="kubernetes-csi/$repo"
+
+  popd
+done