push_trigger.yml

name: Publish OpenG2P Helm charts on

on:
  push:
    tags-ignore:
      - '**'
    branches:
      - 1.*
      - develop
      - main

jobs:
  generate-charts:
    runs-on: ubuntu-latest
    env:
      SKIP: 'FALSE'
      RANCHER_CHART_FILTER: "openg2p.org/add-to-rancher"
    defaults:
      run:
        shell: bash
    steps:
    - name: Checkout Repository
      uses: actions/checkout@v3

    - id: files
      uses: jitterbit/get-changed-files@v1

    - name: save helm/charts to tmp.txt file
      run: |
        touch charts-list.txt
        for changed_file in ${{ steps.files.outputs.all }}; do
          if [[ ${changed_file} =~ ^charts ]]; then
            chart_name=$(echo "${changed_file}" | awk -F/ '/^[charts]/{print $2}')
            echo $chart_name >> charts-list.txt;
            echo "Saved $chart_name chart to charts-list.txt"
          fi
        done
        cat charts-list.txt | sort | uniq > charts-list-unique.txt
        mv charts-list-unique.txt charts-list.txt
        echo "List of charts to be published";
        cat charts-list.txt

    - name: Generate tar files
      run: |
        if [[ ! -s charts-list.txt ]]; then
          echo "::warning::No Charts to publish";
          echo "SKIP=TRUE" >> $GITHUB_ENV
        else
          for chartpath in charts/*/; do
            if [ -f ${chartpath}Chart.yaml ]; then
              helm dep up $chartpath
            fi
          done
          RANCHER_CHARTS=()
          while IFS= read -r chartpath; do
            echo "chartpath: $chartpath"
            chartname=$(basename "$chartpath")
            echo "Chartname: $chartname"
            helm package charts/$chartpath
            is_rancher_chart=$(grep "$RANCHER_CHART_FILTER" charts/${chartpath%*/}/Chart.yaml || true)
            if [ -n "$is_rancher_chart" ]; then
              RANCHER_CHARTS+=("$chartname")
            fi
          done < charts-list.txt
          echo "RANCHER_CHARTS=${RANCHER_CHARTS[@]}" >> $GITHUB_ENV
          rm charts-list.txt
        fi

        shopt -s nocasematch
        if [[ '${{ github.repository_owner }}' != 'OpenG2P' ]]; then
          echo "SKIP=TRUE" >> $GITHUB_ENV
        fi
    - name: Upload tar as Artifact
      uses: actions/upload-artifact@v2
      with:
          name: charts
          path: ./*.tgz
      if: env.SKIP != 'TRUE'

    - name: Checkout branch for publishing
      uses: actions/checkout@v3
      with:
          repository: 'openg2p/openg2p-helm'
          ref: gh-pages
          token: ${{ secrets.OPENG2P_BOT_GITHUB_PAT }}
      if: env.SKIP != 'TRUE'

    - name: Download tar from Artifacts
      uses: actions/download-artifact@v2
      with:
          name: charts
          path: ./
      if: env.SKIP != 'TRUE'

    - name: Update index.yaml
      run: |
        helm repo index --url https://openg2p.github.io/openg2p-helm/ .
        for chartname in $RANCHER_CHARTS; do
          cp ${chartname}*.tgz rancher/
        done
        helm repo index --url https://openg2p.github.io/openg2p-helm/ --merge rancher/index.yaml rancher
        for chartname in $RANCHER_CHARTS; do
          rm rancher/${chartname}*.tgz || true
        done
      if: env.SKIP != 'TRUE'

    - name: Commit Changes to repository
      uses: EndBug/add-and-commit@v7
      with:
        branch: gh-pages
        author_name: openg2pbot
        author_email: bot@openg2p.org
        default_author: user_info
        message: 'added common helm charts for publish openg2p/openg2p-deployment@${{ github.sha }}'
        add: './*.tgz ./index.yaml rancher/index.yaml'
      if: env.SKIP != 'TRUE'