release.yml

name: Create Beta Release
on:
  push:
    branches:
      - main

permissions:
  contents: read

jobs:
  changes:
    runs-on: ubuntu-latest
    # Required permissions
    permissions:
      pull-requests: read
    outputs:
      # Expose matched filters as job 'packages' output variable
      charts: ${{ steps.filter.outputs.changes }}
    steps:
      - uses: actions/checkout@v3
      - uses: dorny/paths-filter@v3
        id: filter
        with:
          filters: |
            argocd: charts/argocd/**
            aws: charts/aws/**
            azure: charts/azure/**
            flux: charts/flux/**
            gcp: charts/gcp/**
            kubernetes: charts/kubernetes/**
            kubernetes-view: charts/kubernetes-view/**
            mission-control: charts/mission-control/**
            mongo-atlas: charts/mongo-atlas/**
            postgres: charts/postgres/**
            prometheus: charts/prometheus/**
            playbooks-kubernetes: charts/playbooks-kubernetes/**
            playbooks-ai: charts/playbooks-ai/**
            playbooks-flux: charts/playbooks-flux/**
            misc-playbooks: charts/misc-playbooks/**
            mssql: charts/mssql/**
            helm: charts/helm/**

  # Job to build and test each of modified packages
  build:
    needs: changes
    strategy:
      fail-fast: false
      matrix:
        # Parse JSON array containing names of all filters matching any of changed files
        # e.g. ['package1', 'package2'] if both package folders contains changes
        chart: ${{ fromJSON(needs.changes.outputs.charts) }}

    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          token: "${{ secrets.FLANKBOT }}"

      - name: Set up Helm
        uses: azure/setup-helm@v1
        with:
          version: v3.12.0

      - name: Package Helm chart
        run: |
          cd charts/${{ matrix.chart }}
          CURRENT_CHART_VERSION=$(cat Chart.yaml | yq '.version')

          # Regex to match SemVer pattern with optional beta version
          # This matches versions like `1.2.3`, `1.2.3-beta.1`, etc.
          SEMVER_REGEX="^([0-9]+)\.([0-9]+)\.([0-9]+)(-beta\.([0-9]+))?$"

          # Check if version matches the SemVer pattern
          if [[ $CURRENT_CHART_VERSION =~ $SEMVER_REGEX ]]; then
            MAJOR="${BASH_REMATCH[1]}"
            MINOR="${BASH_REMATCH[2]}"
            PATCH="${BASH_REMATCH[3]}"
            BETA="${BASH_REMATCH[5]}"

            if [[ -n "$BETA" ]]; then
              # If there's a beta version, increment it
              NEW_BETA=$((BETA + 1))
              NEW_CHART_VERSION="${MAJOR}.${MINOR}.${PATCH}-beta.${NEW_BETA}"
            else
              # If no beta version, bump the PATCH and start with beta.1
              NEW_PATCH=$((PATCH + 1))
              NEW_CHART_VERSION="${MAJOR}.${MINOR}.${NEW_PATCH}-beta.1"
            fi
          else
            echo "Invalid semantic version format."
            exit 1
          fi

          echo NEW_CHART_VERSION=$NEW_CHART_VERSION >> $GITHUB_ENV

          yq -i e ".version |= \"$NEW_CHART_VERSION\"" Chart.yaml
          helm package -d ../.. .

          git config --global user.name 'flankbot'
          git config --global user.email 'flankbot@users.noreply.github.com'
          git add Chart.yaml
          git pull --rebase origin main --autostash
          git commit -m "[skip ci] bump chart ${{matrix.chart}} to $NEW_CHART_VERSION"
          git push

      - name: Clone charts repo
        uses: actions/checkout@v3
        with:
          repository: "${{ github.repository_owner }}/charts"
          path: chart-index
          token: "${{ secrets.FLANKBOT }}"

      - name: Update chart repo
        run: |
          cd chart-index
          cp ../mission-control-*.tgz ./
          helm repo index --merge index.yaml .

      - name: Push changes to chart repo
        uses: stefanzweifel/git-auto-commit-action@v4
        with:
          commit_message: "Release ${{ env.NEW_CHART_VERSION }} of mission-control-${{ matrix.chart }}"
          branch: gh-pages
          repository: ./chart-index