release.yml

name: Release

on:
  push:
    tags:
      - "v*"

permissions:
  contents: write
  packages: write

env:
  HELM_CHART: helm/telemetryflow
  OPERATOR_IMG: ghcr.io/${{ github.repository }}/telemetryflow-operator

jobs:
  test:
    name: Run CI Tests
    uses: ./.github/workflows/ci.yml
    secrets: inherit

  helm-package:
    name: Package & Publish Helm Chart
    runs-on: ubuntu-latest
    needs: [test]
    steps:
      - uses: actions/checkout@v4

      - name: Set up Helm
        uses: azure/setup-helm@v4
        with:
          version: v3.14.0

      - name: Login to GHCR
        run: echo "${{ secrets.TELEMETRYFLOW_GITHUB_TOKEN }}" | helm registry login ghcr.io -u ${{ github.actor }} --password-stdin

      - name: Package Helm Chart
        run: |
          VERSION="${GITHUB_REF#refs/tags/v}"
          helm package "$HELM_CHART" \
            --app-version "$VERSION" \
            --version "$VERSION" \
            --destination ./dist

      - name: Publish to GHCR (OCI)
        run: |
          helm push ./dist/telemetryflow-*.tgz oci://ghcr.io/${{ github.repository }}/charts

  operator-build:
    name: Build & Push Operator Image
    runs-on: ubuntu-latest
    needs: [test]
    steps:
      - uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: "1.26"
          cache-dependency-path: operator/go.sum

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.TELEMETRYFLOW_GITHUB_TOKEN }}

      - name: Extract Version
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.OPERATOR_IMG }}
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=sha

      - name: Build & Push Multi-Arch Operator Image
        uses: docker/build-push-action@v5
        with:
          context: operator
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          platforms: linux/amd64,linux/arm64

  create-release:
    name: Create GitHub Release
    runs-on: ubuntu-latest
    needs: [helm-package, operator-build]
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Generate Changelog
        id: changelog
        run: |
          PREVIOUS_TAG="$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")"
          if [ -n "$PREVIOUS_TAG" ]; then
            LOG="$(git log "${PREVIOUS_TAG}..HEAD" --pretty=format:"- %s (%h)" --no-merges)"
          else
            LOG="$(git log --pretty=format:"- %s (%h)" --no-merges -20)"
          fi
          {
            echo "changelog<<EOF"
            echo "$LOG"
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

      - name: Create Release
        uses: softprops/action-gh-release@v2
        with:
          generate_release_notes: true
          body: |
            ## Changes
            ${{ steps.changelog.outputs.changelog }}

            ## Artifacts
            - Helm chart published to `oci://ghcr.io/${{ github.repository }}/charts/telemetryflow`
            - Operator image: `${{ env.OPERATOR_IMG }}:${{ github.ref_name }}`
          draft: false
          prerelease: ${{ contains(github.ref_name, '-rc') || contains(github.ref_name, '-beta') || contains(github.ref_name, '-alpha') }}