publish.yml

name: Publish Helm Chart

on:
  push:
    branches:
      - "master"

permissions:
  contents: write

jobs:
  publish:
    runs-on: ubuntu-latest
    if: |
      ${{ github.event.workflow_run.conclusion == 'success' }} &&
      ${{ github.event.workflow_run.head_branch == 'master' }}
    env:
      DOCKER_REGISTRY_USERNAME: ${{ secrets.DOCKER_REGISTRY_USERNAME }}
      DOCKER_REGISTRY_PASSWORD: ${{ secrets.DOCKER_REGISTRY_PASSWORD }}
      CHATWORK_API_TOKEN: ${{ secrets.CHATWORK_API_TOKEN }}
      CHATWORK_NOTIFICATION_ROOM_ID: ${{ secrets.CHATWORK_NOTIFICATION_ROOM_ID}}
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: Dump GitHub context
        id: github_context_step
        continue-on-error: true
        run: echo '${{ toJSON(github) }}'

      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Helm
        run: make ci:enable:helm

      - name: Checkout gh-pages branch
        uses: actions/checkout@v4
        with:
          ref: gh-pages
          path: .dist

      - name: Check diff chart
        run: make ci:diff:chart | xargs -I{} helm package {} -d .dist/

      - name: Helm repo index
        run: helm repo index .dist/ --url https://chatwork.github.io/charts

      - name: Commit and push
        working-directory: .dist
        run: |
          # https://github.com/orgs/community/discussions/26560
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git config user.name "github-actions[bot]"

          git add .
          git commit --allow-empty-message -m "$GITHUB_SHA"
          git push origin gh-pages

      - name: Docker login
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_REGISTRY_USERNAME }}
          password: ${{ secrets.DOCKER_REGISTRY_PASSWORD }}

      - name: Notification success
        if: success()
        run: |
          make ci:diff:chart | xargs -I{} /bin/bash -c '
            version=$(helm inspect chart ./{} | awk "/^version:/ {print $NF}");
            changelog=$(make ci:changelog -e DIR="{}/");
            make ci:notify -e TITLE="Release chatwork/charts {}:${version} (gogo)" \
                           -e BODY="$(echo -e "changelog\n${changelog}")";
          '

      - name: Notification failed
        if: failure()
        run: |
          make ci:diff:chart | xargs -I{} /bin/bash -c '
            version=$(helm inspect chart ./{} | awk '/^version:/ {print $NF}');
            make ci:notify -e TITLE="CircleCI: Failed push chatwork/charts {}:${version} (devil)" \
                           -e BODY="$(git log -1 --pretty=format:"%h - %an : %s" ${CIRCLE_BRANCH})";
          '