splunk-otel-collector-chart/.github/workflows/release_drafter.yaml at cdb6128339f188945633f4822138b21c57f6da10 · breedx-splk/splunk-otel-collector-chart · GitHub

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name: Check for new chart release

# Description:
# This workflow prepares a new release of the helm chart by updating chart and app versions as well as creating a PR.
# A release PR will be created in these cases.
#  - When a user kicks offs this workflow manually. A user can specify the CHART_VERSION and APP_VERSION used for the new release.
#  - When the cron schedule kicks off the job and there is a version difference for the collector application, then a chart release draft PR will be created with the version automatically incremented appropriately.

on:
  schedule:
    # Run every 12 hours at 55 minutes past the hour.
    - cron: "55 */12 * * *"
  workflow_dispatch:
    inputs:
      CHART_VERSION:
        description: 'Optionally overrides the chart version in Chart.yaml.'
        required: false
        default: ''
      APP_VERSION:
        description: 'Optionally overrides the app version in Chart.yaml.'
        required: false
        default: ''
      OVERWRITE_EXISTING_PR:
        description: 'Allow updating an existing update-release PR if changes differ.'
        required: false
        default: 'false'
        type: choice
        options:
          - 'false'
          - 'true'
      DEBUG:
        description: 'Enable debug mode for the script.'
        required: false
        default: 'false'

permissions:
  contents: write
  pull-requests: write

jobs:
  prepare_release:
    runs-on: ubuntu-latest
    env:
      CHART_VERSION: ${{ github.event.inputs.CHART_VERSION }}
      APP_VERSION: ${{ github.event.inputs.APP_VERSION }}
      OVERWRITE_EXISTING_PR: ${{ github.event.inputs.OVERWRITE_EXISTING_PR }}
      DEBUG: ${{ github.event.inputs.DEBUG }}
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6

      - name: Install chloggen
        run: make install-chloggen

      - name: Prepare Release
        id: prepare_release
        run: |
          make prepare-release CHART_VERSION="$CHART_VERSION" APP_VERSION="$APP_VERSION" CREATE_BRANCH=false DEBUG="$DEBUG"

      - name: Check if PR is already open
        id: check_if_pr_open
        run: |
          echo "PR_NEEDED=1" >> "$GITHUB_OUTPUT"
          git fetch origin

          # Check if update-release branch exists
          if [ -n "$(git ls-remote --heads origin update-release)" ]; then
            if [ "$OVERWRITE_EXISTING_PR" = "true" ]; then
              # Overwrite mode: Only skip if changes are identical
              echo "OVERWRITE_EXISTING_PR is enabled - checking for changes"
              if git diff --no-ext-diff --quiet origin/update-release -- helm-charts; then
                echo "PR_NEEDED=0" >> "$GITHUB_OUTPUT"
                echo "Skipping PR creation - no changes detected"
              else
                echo "Changes detected - will update existing PR"
              fi
            else
              # Default mode: Skip if branch exists
              echo "PR_NEEDED=0" >> "$GITHUB_OUTPUT"
              echo "Skipping PR creation - update-release branch already exists"
              echo "Use OVERWRITE_EXISTING_PR=true to allow updating if changes differ"
            fi
          fi

      - name: Run pre-commit to fix formatting
        if: ${{ steps.prepare_release.outputs.NEED_UPDATE == 1 && steps.check_if_pr_open.outputs.PR_NEEDED == 1 }}
        run: |
          pip install pre-commit==4.5.1
          pre-commit run --all-files || true
        env:
          SKIP: actionlint,render,go-fmt,go-lint,go-mod-tidy

      - name: Open PR for Version Update
        id: open_pr
        if: ${{ steps.prepare_release.outputs.NEED_UPDATE == 1 && steps.check_if_pr_open.outputs.PR_NEEDED == 1 }}
        uses: ./.github/actions/create-pr
        with:
          branch: update-release
          commit-message: Prepare release v${{ steps.prepare_release.outputs.LATEST_CHART_VERSION }}
          title: Prepare release v${{ steps.prepare_release.outputs.LATEST_CHART_VERSION }}
          body: |
            Description
            - Release Helm chart version ${{ steps.prepare_release.outputs.LATEST_CHART_VERSION }}
            - Includes collector version ${{ steps.prepare_release.outputs.LATEST_APP_VERSION }}
          author-name: ${{ github.event_name == 'schedule' && 'github-actions[bot]' || github.actor }}
          author-email: ${{ github.event_name == 'schedule' && '41898282+github-actions[bot]@users.noreply.github.com' || format('{1}+{0}@users.noreply.github.com', github.actor, github.actor_id) }}