release.yml

name: Release

on:
  push:
    branches: ["main"]
    tags: ["v*"]
  workflow_dispatch:

permissions:
  contents: read

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      id-token: write
      attestations: write

    steps:
      - name: Checkout
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@37fe631027851001ddb9b187196cc803df7f5f0e # v4.3.0

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@dc802804100637a589fabce1cb79ff13a1411302 # v6.2.0
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=sha,prefix=sha-
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push Docker image
        id: build
        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha,scope=cainjekt
          cache-to: type=gha,mode=max,scope=cainjekt
          platforms: linux/amd64,linux/arm64

      - name: Generate artifact attestation
        if: github.event.repository.visibility == 'public'
        uses: actions/attest-build-provenance@4d101475d8b20a2381f78447822ac1eab6504dd8 # v4.2.2
        with:
          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          subject-digest: ${{ steps.build.outputs.digest }}
          push-to-registry: true

      - name: Extract metadata for installer
        id: meta-installer
        uses: docker/metadata-action@dc802804100637a589fabce1cb79ff13a1411302 # v6.2.0
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-installer
          tags: |
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=sha,prefix=sha-
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push installer image
        id: build-installer
        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
        with:
          context: .
          target: installer
          push: true
          tags: ${{ steps.meta-installer.outputs.tags }}
          labels: ${{ steps.meta-installer.outputs.labels }}
          cache-from: |
            type=gha,scope=cainjekt-installer
            type=gha,scope=cainjekt
          platforms: linux/amd64,linux/arm64

      - name: Generate installer artifact attestation
        if: github.event.repository.visibility == 'public'
        uses: actions/attest-build-provenance@4d101475d8b20a2381f78447822ac1eab6504dd8 # v4.2.2
        with:
          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-installer
          subject-digest: ${{ steps.build-installer.outputs.digest }}
          push-to-registry: true

  helm-publish:
    runs-on: ubuntu-latest
    needs: build-and-push
    if: startsWith(github.ref, 'refs/tags/v')
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1

      - name: Extract version from tag
        id: version
        run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT

      - name: Log in to GitHub Container Registry
        run: echo "${{ secrets.GITHUB_TOKEN }}" | helm registry login ${{ env.REGISTRY }} --username ${{ github.actor }} --password-stdin

      - name: Update Chart.yaml version
        run: |
          sed -i "s/^version:.*/version: ${{ steps.version.outputs.VERSION }}/" charts/cainjekt/Chart.yaml
          sed -i "s/^appVersion:.*/appVersion: \"${{ steps.version.outputs.VERSION }}\"/" charts/cainjekt/Chart.yaml

      - name: Package and push Helm chart
        run: |
          helm package charts/cainjekt
          helm push cainjekt-${{ steps.version.outputs.VERSION }}.tgz oci://${{ env.REGISTRY }}/natrontech/charts

  release:
    runs-on: ubuntu-latest
    needs: [build-and-push, helm-publish]
    if: startsWith(github.ref, 'refs/tags/v')
    permissions:
      contents: write

    steps:
      - name: Checkout
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1

      - name: Extract version from tag
        id: version
        run: echo "VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT

      - name: Create Release
        uses: softprops/action-gh-release@3d0d9888cb7fd7b750713d6e236d1fcb99157228 # v3.0.2
        with:
          prerelease: ${{ contains(steps.version.outputs.VERSION, '-') }}
          body: |
            ## Container Images

            ```
            ghcr.io/natrontech/cainjekt:${{ steps.version.outputs.VERSION }}
            ghcr.io/natrontech/cainjekt-installer:${{ steps.version.outputs.VERSION }}
            ```

            Both `linux/amd64` and `linux/arm64` platforms are supported.

            ## Install with Helm

            ```bash
            helm install cainjekt oci://ghcr.io/natrontech/charts/cainjekt \
              --version ${{ steps.version.outputs.VERSION }} \
              --namespace kube-system \
              --set-file caBundle=/path/to/ca-bundle.pem
            ```

            ## Install with kubectl

            ```bash
            kubectl create configmap cainjekt-ca-bundle \
              --from-file=ca-bundle.pem=/path/to/ca-bundle.pem \
              --namespace=kube-system

            kubectl apply -k https://github.com/natrontech/cainjekt/deploy/kubernetes?ref=${{ steps.version.outputs.VERSION }}
            ```
          generate_release_notes: true