prepare-release.yml

name: Automation - Prepare Release

on:
  workflow_dispatch:
    # Determine the version number that will be assigned to the release. During the beta phase, we increment
    # the minor version number and set the patch number to 0.
    inputs:
      candidate-stable:
        description: Release candidate version bump (stable).
        type: choice
        options:
          - minor
          - patch
          - "no bump"
        default: minor

      candidate-beta:
        description: Release candidate version bump (beta).
        type: choice
        options:
          - minor
          - patch
        default: minor

permissions: read-all

jobs:
  extract-versions:
    outputs:
      current-beta: ${{ steps.current-version-core-beta.outputs.tags }}
      current-stable: ${{ steps.current-version-core-stable-trimmed.outputs.tag }}
      next-beta: ${{ steps.next-versions.outputs.next_beta }}
      next-stable: ${{ steps.next-versions.outputs.next_stable }}
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          fetch-depth: 0

      - name: Get current tag for core beta
        id: current-version-core-beta
        uses: WyriHaximus/github-action-get-previous-tag@04e8485ecb6487243907e330d522ff60f02283ce # v1.4.0
        with:
          prefix: v0

      - name: Get current tag for core stable
        id: current-version-core-stable
        uses: WyriHaximus/github-action-get-previous-tag@04e8485ecb6487243907e330d522ff60f02283ce # v1.4.0
        with:
          prefix: component/v1 # needs to be a tag of a stable component because major tags are not published

      - name: Clean up core tag
        id: current-version-core-stable-trimmed
        run: |
          monorepo_tag=${{ steps.current-version-core-stable.outputs.tag }}
          echo "tag=${monorepo_tag#component/}" >> $GITHUB_OUTPUT

      - name: Get next versions - beta
        id: semvers-beta
        uses: WyriHaximus/github-action-next-semvers@18aa9ed4152808ab99b88d71f5481e41f8d89930 # v1.2.1
        with:
          version: ${{ steps.current-version-core-beta.outputs.tag }}

      - name: Get next versions - stable
        id: semvers-stable
        uses: WyriHaximus/github-action-next-semvers@18aa9ed4152808ab99b88d71f5481e41f8d89930 # v1.2.1
        with:
          version: ${{ steps.current-version-core-stable-trimmed.outputs.tag }}

      - name: Select next versions
        id: next-versions
        run: |
          # Candidate Beta
          if [[ '${{ inputs.candidate-beta }}' == 'minor' ]]; then
            echo "next_beta=${{ steps.semvers-beta.outputs.minor }}" >> $GITHUB_OUTPUT
          elif [[ '${{ inputs.candidate-beta }}' == 'patch' ]]; then
            echo "next_beta=${{ steps.semvers-beta.outputs.patch }}" >> $GITHUB_OUTPUT
          elif [[ '${{ inputs.candidate-beta }}' == 'no bump' ]]; then
            echo "next_beta=" >> $GITHUB_OUTPUT
          else
            echo "Error: unsupported semver type for Candidate Beta"
            exit 1
          fi

          # Candidate Stable
          if [[ '${{ inputs.candidate-stable }}' == 'minor' ]]; then
            echo "next_stable=${{ steps.semvers-stable.outputs.minor }}" >> $GITHUB_OUTPUT
          elif [[ '${{ inputs.candidate-stable }}' == 'patch' ]]; then
            echo "next_stable=${{ steps.semvers-stable.outputs.patch }}" >> $GITHUB_OUTPUT
          elif [[ '${{ inputs.candidate-stable }}' == 'no bump' ]]; then
            echo "next_stable=" >> $GITHUB_OUTPUT
          else
            echo "Error: unsupported semver type Candidate Stable"
            exit 1
          fi

  check-blockers:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          fetch-depth: 0
      # Make sure that there are no open issues with release:blocker label in Core. The release has to be delayed until they are resolved.
      - name: Check blockers in core
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          REPO: open-telemetry/opentelemetry-collector
        run: ./.github/workflows/scripts/release-check-blockers.sh
      # Make sure that there are no open issues with release:blocker label in Contrib. The release has to be delayed until they are resolved.
      - name: Check blockers in contrib
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          REPO: open-telemetry/opentelemetry-collector-contrib
        run: ./.github/workflows/scripts/release-check-blockers.sh
      # Make sure the current main branch build successfully passes (Core).
      - name: Check build status in core
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          REPO: open-telemetry/opentelemetry-collector
        run: ./.github/workflows/scripts/release-check-build-status.sh
      # Make sure the current main branch build successfully passes (Contrib).
      - name: Check build status in contrib
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          REPO: open-telemetry/opentelemetry-collector-contrib
        run: ./.github/workflows/scripts/release-check-build-status.sh

  create-release-issue:
    needs:
      - check-blockers
      - extract-versions
    runs-on: ubuntu-latest
    permissions:
      issues: write
    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          fetch-depth: 0
      # To keep track of the progress, it might be helpful to create a tracking issue similar to #6067. You are responsible
      # for all of the steps under the "Performed by collector release manager" heading. Once the issue is created, you can
      # create the individual ones by hovering them and clicking the "Convert to issue" button on the right hand side.
      - name: Create issue for tracking release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          CANDIDATE_BETA: ${{ needs.extract-versions.outputs.next-beta }}
          CANDIDATE_STABLE: ${{ needs.extract-versions.outputs.next-stable }}
          CURRENT_BETA: ${{ needs.extract-versions.outputs.current-beta }}
          CURRENT_STABLE: ${{ needs.extract-versions.outputs.current-stable }}
          REPO: open-telemetry/opentelemetry-collector
        run: ./.github/workflows/scripts/release-create-tracking-issue.sh

  # Releasing opentelemetry-collector
  prepare-release:
    needs:
      - check-blockers
      - extract-versions
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          fetch-depth: 0
      - name: Setup Go
        uses: actions/setup-go@f111f3307d8850f501ac008e886eec1fd1932a34 # v5.3.0
        with:
          go-version: ~1.23.7
      # Prepare Core for release.
      #   - Update CHANGELOG.md file, this is done via chloggen
      #   - Run make prepare-release PREVIOUS_VERSION=1.0.0 RELEASE_CANDIDATE=1.1.0 MODSET=stable
      #   - Run make prepare-release PREVIOUS_VERSION=0.52.0 RELEASE_CANDIDATE=0.53.0 MODSET=beta
      - name: Prepare release for core
        env:
          GITHUB_TOKEN: ${{ secrets.OPENTELEMETRYBOT_GITHUB_TOKEN }}
          REPO: open-telemetry/opentelemetry-collector
          CANDIDATE_BETA: ${{ needs.extract-versions.outputs.next-beta }}
          CANDIDATE_STABLE: ${{ needs.extract-versions.outputs.next-stable }}
          CURRENT_BETA: ${{ needs.extract-versions.outputs.current-beta }}
          CURRENT_STABLE: ${{ needs.extract-versions.outputs.current-stable }}
        run: ./.github/workflows/scripts/release-prepare-release.sh