publish.yaml

name: Release

on:
  push:
    branches:
      - master

jobs:
  test:
    runs-on: ubuntu-latest
    env:
      HELM_VERSION: v3.0.2
      CONFTEST_VERSION: "0.15.0"

    steps:
      - uses: actions/checkout@v3
        with:
          submodules: recursive
      - name: Conftest Install
        run: |
          curl -sSL https://github.com/instrumenta/conftest/releases/download/v${CONFTEST_VERSION}/conftest_${CONFTEST_VERSION}_Linux_x86_64.tar.gz \
            | tar vxz \
              && sudo mv -v conftest /usr/local/bin/conftest
      - name: Install YQ
        run: |
          curl -sSL https://github.com/mikefarah/yq/releases/download/v4.20.1/yq_linux_amd64 -o yq && chmod +x yq && sudo mv yq /usr/local/bin
      - name: Helm Install
        run: |
          curl -sSL https://get.helm.sh/helm-${HELM_VERSION}-linux-amd64.tar.gz \
            | tar vxz \
              && sudo mv -v linux-amd64/helm /usr/local/bin/helm \
              && rm -vrf linux-amd64
      - name: Helm Lint
        run: ./helm-test.sh

  publish:
    runs-on: ubuntu-latest
    needs: test

    if: github.ref == 'refs/heads/master'

    env:
      HELM_VERSION: v3.0.2
      HELM_TMP_DIR: /tmp/helm-tmp-package
      HELM_RELEASE_DIR: release
      HELM_RELEASE_BRANCH: gh-pages

    steps:
      - uses: actions/checkout@v3
        with:
          submodules: recursive

      - name: Helm Install
        run: |
          curl -sSL https://get.helm.sh/helm-${HELM_VERSION}-linux-amd64.tar.gz \
            | tar vxz \
              && sudo mv -v linux-amd64/helm /usr/local/bin/helm \
              && rm -vrf linux-amd64

      # Package
      - name: Helm Package
        run: |
          mkdir -p ${HELM_TMP_DIR}
          ./helm-package.sh ${HELM_TMP_DIR}
          ls -la ${HELM_TMP_DIR}

      # Publish
      - uses: actions/checkout@v3
        with:
          ref: gh-pages
          path: ./gh-pages
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Debug
        run: |
          ls -la .
          ls -la ${HELM_RELEASE_BRANCH}
          ls -la ${HELM_RELEASE_BRANCH}/${HELM_RELEASE_DIR}
          ls -la ${HELM_TMP_DIR}

      - name: Helm Publish
        run: |
          cd ${HELM_RELEASE_BRANCH}

          for chart in ${HELM_TMP_DIR}/*; do
            chart=$(basename $chart)
            echo $chart

            if [ ! -f "${HELM_RELEASE_DIR}/${chart}" ]; then
              mv -vn "${HELM_TMP_DIR}/${chart}" "${HELM_RELEASE_DIR}/${chart}"
            else
              echo "Chart $chart is already released!"
            fi
          done

          # Generate new index.yaml
          helm repo index ${HELM_RELEASE_DIR} --url ${HELM_RELEASE_DIR}

          # Move generated index.yaml to root dir
          mv ${HELM_RELEASE_DIR}/index.yaml .

      - name: Git Push
        run: |
          cd ${HELM_RELEASE_BRANCH}

          git add -v ${HELM_RELEASE_DIR}
          git status
          if ! $(git diff-index --quiet HEAD -- ${HELM_RELEASE_DIR}/*); then
            git add -v index.yaml
            git status
            git config --global user.email "${GITHUB_ACTOR}@users.noreply.github.com"
            git config --global user.name "${GITHUB_ACTOR}"
            git commit -am "AUTO-RELEASE: publish Helm Charts from master@${GITHUB_SHA:0:7}"

            git push "https://${{ secrets.GITHUB_PAT }}@github.com/${GITHUB_REPOSITORY}.git"
          else
            echo "No new packages to push"
          fi