name: Release

on:
  workflow_dispatch:
    inputs:
      version:
        description: "Version to release (e.g. v1.2.3)"
        required: true
      kind:
        description: "Release kind"
        type: choice
        options: [minor, patch]
        required: true
        default: "minor"

jobs:
  verify-inputs:
    name: Verify inputs
    runs-on: ubuntu-22.04
    env:
      FULL_VERSION: ${{ inputs.version }}
    outputs:
      WITHOUT_V: ${{ steps.version-info.outputs.WITHOUT_V }}
      PART_MAJOR: ${{ steps.version-info.outputs.PART_MAJOR }}
      PART_MINOR: ${{ steps.version-info.outputs.PART_MINOR }}
      PART_PATCH: ${{ steps.version-info.outputs.PART_PATCH }}
      MAJOR: ${{ steps.version-info.outputs.MAJOR }}
      MAJOR_MINOR: ${{ steps.version-info.outputs.MAJOR_MINOR }}
      MAJOR_MINOR_PATCH: ${{ steps.version-info.outputs.MAJOR_MINOR_PATCH }}
      RELEASE_BRANCH: ${{ steps.version-info.outputs.RELEASE_BRANCH }}
    steps:
      - name: Verify version
        run: |
          if [[ ! "${FULL_VERSION}" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
            echo "Version must be in the form of vX.Y.Z"
            exit 1
          fi

      - name: Extract version info
        id: version-info
        run: |
          WITHOUT_V=${FULL_VERSION#v}
          PART_MAJOR=${WITHOUT_V%%.*}
          PART_MINOR=${WITHOUT_V#*.}
          PART_MINOR=${PART_MINOR%%.*}
          PART_PATCH=${WITHOUT_V##*.}
          {
            echo "WITHOUT_V=${WITHOUT_V}"
            echo "PART_MAJOR=${PART_MAJOR}"
            echo "PART_MINOR=${PART_MINOR}"
            echo "PART_PATCH=${PART_PATCH}"
            echo "MAJOR=${PART_MAJOR}"
            echo "MAJOR_MINOR=${PART_MAJOR}.${PART_MINOR}"
            echo "MAJOR_MINOR_PATCH=${PART_MAJOR}.${PART_MINOR}.${PART_PATCH}"
            echo "RELEASE_BRANCH=release/v${PART_MAJOR}.${PART_MINOR}"
          } | tee "$GITHUB_OUTPUT"

  docs:
    name: Create docs release
    runs-on: ubuntu-22.04
    if: inputs.kind == 'minor'
    needs: verify-inputs
    env:
      VERSION: ${{ inputs.version }}
      MAJOR_MINOR: ${{ needs.verify-inputs.outputs.MAJOR_MINOR }}
      BRANCH: docs/${{ needs.verify-inputs.outputs.MAJOR_MINOR }}
    steps:
      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
        with:
          ref: ${{ github.head_ref }}

      - name: Create docs release
        working-directory: docs
        run: |
          npm install
          npm run docusaurus docs:version "${MAJOR_MINOR}"

      - name: Create docs pull request
        uses: peter-evans/create-pull-request@2b011faafdcbc9ceb11414d64d0573f37c774b04 # v4.2.3
        with:
          branch: ${BRANCH}
          base: main
          title: "docs: add release ${VERSION}"
          body: |
            :robot: *This is an automated PR.* :robot:

            The PR is triggered as part of the automated release process of version ${VERSION}.
            It releases a new version of the documentation.
          commit-message: "docs: add release ${VERSION}"
          committer: edgelessci <edgelessci@users.noreply.github.com>
          labels: no-changelog

  prepare-release-branch:
    name: Prepare release branch
    runs-on: ubuntu-22.04
    needs: verify-inputs
    env:
      BRANCH: ${{ needs.verify-inputs.outputs.RELEASE_BRANCH }}
    steps:
      - name: Checkout
        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
        with:
          ref: ${{ github.head_ref }}

      - name: Create release branch
        if: inputs.kind == 'minor'
        run: |
          git fetch
          git pull
          git checkout "${BRANCH}" || git checkout -B "${BRANCH}"
          git push origin "${BRANCH}"

  micro-services:
    name: Build micro services
    needs: [verify-inputs, prepare-release-branch]
    uses: ./.github/workflows/build-micro-service-manual.yml
    secrets: inherit
    strategy:
      matrix:
        service:
          [join-service, key-service, verification-service, qemu-metadata-api]
    with:
      microService: ${{ matrix.service }}
      imageTag: ${{ inputs.version }}
      version: ${{ needs.verify-inputs.outputs.WITHOUT_V }}
      ref: ${{ needs.verify-inputs.outputs.RELEASE_BRANCH }}
      release: true

  constellation-node-operator:
    name: Build Constellation node-operator
    needs: [verify-inputs, prepare-release-branch]
    secrets: inherit
    uses: ./.github/workflows/build-operator-manual.yml
    with:
      imageTag: ${{ inputs.version }}
      ref: ${{ needs.verify-inputs.outputs.RELEASE_BRANCH }}
      release: true

  update-versions:
    name: Update container image versions
    needs: [verify-inputs, micro-services, constellation-node-operator]
    runs-on: ubuntu-22.04
    env:
      VERSION: ${{ inputs.version }}
      WITHOUT_V: ${{ needs.verify-inputs.outputs.WITHOUT_V }}
    steps:
      - name: Checkout
        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
        with:
          ref: ${{ needs.verify-inputs.outputs.RELEASE_BRANCH }}

      - name: Install crane
        uses: ./.github/actions/setup_crane

      - name: Update enterprise image version
        run: |
          sed -i "s/defaultImage = \"v[0-9]\+\.[0-9]\+\.[0-9]\+\"/defaultImage = \"${VERSION}\"/" internal/config/images_enterprise.go
          git add internal/config/images_enterprise.go

      - name: Update CMakeLists.txt
        run: |
          sed -i "s/project(constellation LANGUAGES C VERSION [0-9]\+\.[0-9]\+\.[0-9]\+)/project(constellation LANGUAGES C VERSION ${WITHOUT_V})/" CMakeLists.txt
          git add CMakeLists.txt

      - name: Update Helm Charts
        run: |
          yq eval -i ".version = \"${WITHOUT_V}\"" cli/internal/helm/charts/edgeless/constellation-services/Chart.yaml
          for service in key-service join-service ccm cnm autoscaler verification-service konnectivity gcp-guest-agent; do
            yq eval -i "(.dependencies[] | select(.name == \"${service}\")).version = \"${WITHOUT_V}\"" cli/internal/helm/charts/edgeless/constellation-services/Chart.yaml
            yq eval -i ".version = \"${WITHOUT_V}\"" "cli/internal/helm/charts/edgeless/constellation-services/charts/${service}/Chart.yaml"
            git add "cli/internal/helm/charts/edgeless/constellation-services/charts/${service}/Chart.yaml"
          done
          git add cli/internal/helm/charts/edgeless/constellation-services/Chart.yaml
          yq eval -i ".version = \"${WITHOUT_V}\"" cli/internal/helm/charts/edgeless/operators/Chart.yaml
          for service in node-maintenance-operator constellation-operator; do
            yq eval -i "(.dependencies[] | select(.name == \"${service}\")).version = \"${WITHOUT_V}\"" cli/internal/helm/charts/edgeless/operators/Chart.yaml
            yq eval -i ".version = \"${WITHOUT_V}\"" "cli/internal/helm/charts/edgeless/operators/charts/${service}/Chart.yaml"
            git add "cli/internal/helm/charts/edgeless/operators/charts/${service}/Chart.yaml"
          done
          git add cli/internal/helm/charts/edgeless/operators/Chart.yaml

      - name: Update micro service versions
        run: |
          for service in node-operator join-service key-service verification-service qemu-metadata-api; do
            name=ghcr.io/edgelesssys/constellation/${service}
            digest=$(crane digest "${name}:${VERSION}")
            sed -i "s#\"${name}:v[0-9]\+\.[0-9]\+\.[0-9]\+[^@]*@sha256:[0-9a-f]\+\"#\"${name}:${VERSION}@${digest}\"#" internal/versions/versions.go
          done
          git add internal/versions/versions.go

      - name: Commit
        run: |
          git config --global user.name "release[bot]"
          git config --global user.email "release[bot]@users.noreply.github.com"
          git commit -m "deps: update version to ${VERSION}"
          git push

  os-image:
    name: Build OS image
    needs: [verify-inputs, update-versions]
    uses: ./.github/workflows/build-os-image.yml
    secrets: inherit
    with:
      imageVersion: ${{ inputs.version }}
      isRelease: true
      stream: "stable"
      ref: ${{ needs.verify-inputs.outputs.RELEASE_BRANCH }}

  generate-measurements:
    name: Generate OS image measurements
    needs: [verify-inputs, os-image]
    uses: ./.github/workflows/generate-measurements.yml
    secrets: inherit
    with:
      osImage: ${{ inputs.version }}
      isDebugImage: false
      signMeasurements: true
      isRelease: true
      ref: ${{ needs.verify-inputs.outputs.RELEASE_BRANCH }}

  update-hardcoded-measurements:
    name: Update hardcoded measurements (in the CLI)
    needs: [verify-inputs, generate-measurements]
    runs-on: ubuntu-22.04
    env:
      VERSION: ${{ inputs.version }}
      WITHOUT_V: ${{ needs.verify-inputs.outputs.WITHOUT_V }}
    steps:
      - name: Checkout
        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
        with:
          ref: ${{ needs.verify-inputs.outputs.RELEASE_BRANCH }}

      - name: Setup Go environment
        uses: actions/setup-go@6edd4406fa81c3da01a34fa6f6343087c207a568 # v3.5.0
        with:
          go-version: "1.19.5"
          cache: true

      - name: Build generateMeasurements tool
        working-directory: internal/attestation/measurements/measurement-generator
        run: go build -o generate -tags=enterprise .

      - name: Update hardcoded measurements
        working-directory: internal/attestation/measurements
        run: |
          ./measurement-generator/generate
          git add measurements_enterprise.go

      - name: Commit
        run: |
          git config --global user.name "release[bot]"
          git config --global user.email "release[bot]@users.noreply.github.com"
          git commit -m "attestation: hardcode measurements for ${VERSION}"
          git push

  e2e-tests:
    name: Run E2E tests
    needs: [verify-inputs, update-hardcoded-measurements]
    secrets: inherit
    strategy:
      matrix:
        runner: [ubuntu-22.04, macos-12]
        csp: [aws, azure, gcp]
    uses: ./.github/workflows/e2e-test-manual.yml
    with:
      workerNodesCount: 2
      controlNodesCount: 3
      cloudProvider: ${{ matrix.csp }}
      runner: ${{ matrix.runner }}
      test: "sonobuoy full"
      kubernetesVersion: "1.25"
      keepMeasurements: true
      osImage: ${{ inputs.version }}
      machineType: "default"
      git-ref: ${{ needs.verify-inputs.outputs.RELEASE_BRANCH }}

  e2e-mini:
    name: Run E2E tests for mini Constellation
    needs: [verify-inputs, update-hardcoded-measurements]
    uses: ./.github/workflows/e2e-mini.yml
    secrets: inherit
    with:
      ref: ${{ needs.verify-inputs.outputs.RELEASE_BRANCH }}

  tag-release:
    name: Tag release
    needs: [verify-inputs, e2e-tests, e2e-mini]
    runs-on: ubuntu-22.04
    env:
      VERSION: ${{ inputs.version }}
    steps:
      - name: Checkout
        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
        with:
          ref: ${{ needs.verify-inputs.outputs.RELEASE_BRANCH }}

      - name: Tag release
        run: |
          git config --global user.name "release[bot]"
          git config --global user.email "release[bot]@users.noreply.github.com"
          git tag -a "${VERSION}" -m "Release ${VERSION}"
          git push origin "refs/tags/${VERSION}"

  draft-release-cli:
    name: Draft release (CLI)
    needs: [verify-inputs, tag-release]
    uses: ./.github/workflows/release-cli.yml
    secrets: inherit
    with:
      ref: "refs/tags/${{ inputs.version }}"

  pr-get-changes-back-into-main:
    name: PR to Merge changes from release branch into main
    if: inputs.kind == 'minor'
    runs-on: ubuntu-22.04
    needs: [verify-inputs, tag-release]
    env:
      VERSION: ${{ inputs.version }}
      NEW_BRANCH: feat/release/${{ inputs.version }}/changes-to-main
    steps:
      - name: Checkout
        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
        with:
          ref: ${{ needs.verify-inputs.outputs.RELEASE_BRANCH }}

      - name: Create branch with changes
        run: |
          git config --global user.name "release[bot]"
          git config --global user.email "release[bot]@users.noreply.github.com"
          git fetch
          git checkout -b "${NEW_BRANCH}"
          git push --set-upstream origin "${NEW_BRANCH}"

      - name: Create PR
        uses: peter-evans/create-pull-request@2b011faafdcbc9ceb11414d64d0573f37c774b04 # v4.2.3
        with:
          branch: ${{ env.NEW_BRANCH }}
          base: main
          title: "release: bring back changes from ${VERSION}"
          body: |
            :robot: *This is an automated PR.* :robot:

            This PR is triggered as part of the release process of version ${VERSION}.
            It brings back changes from the release branch into the main branch.
          commit-message: "release: bring back changes from ${VERSION}"
          committer: edgelessci <edgelessci@users.noreply.github.com>
          labels: no-changelog