Implement a workflow to prepare helm charts release (#2950)

Co-authored-by: Roman Zabaluev <rzabaluev@provectus.com>

.github/workflows/create-branch-for-helm.yaml

@@ -0,0 +1,28 @@
+name: prepare-helm-release
+on:
+  repository_dispatch:
+    types: [prepare-helm-release]
+jobs:
+  change-app-version:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - run: |
+          git config user.name github-actions
+          git config user.email github-actions@github.com
+      - name: Change versions
+        run: |
+          git checkout -b release-${{ github.event.client_payload.appversion}}
+          version=$(cat charts/kafka-ui/Chart.yaml  | grep version | awk '{print $2}')
+          version=${version%.*}.$((${version##*.}+1))
+          sed -i "s/version:.*/version: ${version}/" charts/kafka-ui/Chart.yaml
+          sed -i "s/appVersion:.*/appVersion: ${{ github.event.client_payload.appversion}}/" charts/kafka-ui/Chart.yaml
+          git add  charts/kafka-ui/Chart.yaml
+          git commit -m "release ${version}"
+          git push --set-upstream origin release-${{ github.event.client_payload.appversion}}
+      - name: Slack Notification
+        uses: rtCamp/action-slack-notify@v2
+        env:
+          SLACK_TITLE: "release-${{ github.event.client_payload.appversion}}"
+          SLACK_MESSAGE: "A new release of the helm chart has been prepared. Branch name: release-${{ github.event.client_payload.appversion}}"
+          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}

.github/workflows/release.yaml

@@ -87,32 +87,14 @@ jobs:
 
   charts:
     runs-on: ubuntu-latest
+    permissions:
+      actions: write
     needs: release
     steps:
-      - uses: actions/checkout@v3
+      - name: Repository Dispatch
+        uses: peter-evans/repository-dispatch@v2
         with:
-          fetch-depth: 1
-
-      - run: |
-          git config user.name github-actions
-          git config user.email github-actions@github.com
-
-      - uses: azure/setup-helm@v1
-
-      - name: update chart version
-        run: |
-          export version=${{needs.release.outputs.version}}
-          sed -i "s/version:.*/version: ${version}/" charts/kafka-ui/Chart.yaml
-          sed -i "s/appVersion:.*/appVersion: ${version}/" charts/kafka-ui/Chart.yaml
-
-      - name: add chart
-        run: |
-          export VERSION=${{needs.release.outputs.version}}
-          MSG=$(helm package --app-version ${VERSION} charts/kafka-ui)
-          git fetch origin
-          git stash
-          git checkout -b gh-pages origin/gh-pages
-          helm repo index .
-          git add -f ${MSG##*/} index.yaml
-          git commit -m "release ${VERSION}"
-          git push
+          token: ${{ secrets.GITHUB_TOKEN }}
+          repository: provectus/kafka-ui
+          event-type: prepare-helm-release
+          client-payload: '{"appversion": "${{ needs.release.outputs.version }}"}'