name: Release Helm Chart

on:
  push:
    branches:
      - master
    tags:
      - "**"
  pull_request:
    branches:
      - master

jobs:
  release:
    if: github.event_name == 'push' # This ensures release only runs on push events, not on pull_request events
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Install yq - portable yaml processor
        uses: mikefarah/yq@v4.30.5

      - name: Install Helm
        uses: azure/setup-helm@v1
        with:
          version: v3.4.0

      - name: Lint chart
        run: helm lint deploy/cert-manager-ibm-cis-webhook

      - name: Fetch charts dependencies
        run: |
          cd deploy/cert-manager-ibm-cis-webhook
          helm dependency build

      - name: Package Helm Chart
        run: |
          helm package deploy/cert-manager-ibm-cis-webhook

      - name: Check Out Helm Chart Repository
        uses: actions/checkout@v2
        with:
          repository: ibm-skills-network/charts
          token: ${{ secrets.PUBLIC_HELM_CHART_REPO_PUBLISH_TOKEN }}
          path: charts-repo
          ref: gh-pages

      - name: Copy Packaged Chart to Charts Repo
        run: |
          cp cert-manager-ibm-cis-webhook*.tgz charts-repo/

      - name: Update Helm Chart Repository Index
        run: |
          cd charts-repo
          git config user.name "$GITHUB_ACTOR"
          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
          helm repo index . --url https://ibm-skills-network.github.io/charts/ --merge index.yaml
          git add .
          git commit -m "Update Helm chart for my-chart"
          git push