release.yml

name: darts release workflow

on:
  workflow_dispatch:
    inputs:
        bump_type:
          description: "Bump type (#major, #minor, #patch)"
          required: true

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: "1. Clone repository"
        uses: actions/checkout@v2
        with:
          token: ${{ secrets.RELEASE_WORKFLOW_TOKEN }}
          fetch-depth: '1'

      - name: "2. Set up Python 3.9"
        uses: actions/setup-python@v1
        with:
          python-version: '3.9'

      - name: "3. Update pip"
        run: |
          python -m pip install --upgrade pip

      - name: "4. Attach cache for pip"
        uses: actions/cache@v1
        id: cache
        with:
          path: ~/.cache/pip
          key: release-${{ runner.os }}-pip-${{ hashFiles('requirements/release.txt') }}
          restore-keys: |
            release-${{ runner.os }}-pip-

      - name: "5. Install release dependencies"
        run: |
          pip install -q -r requirements/release.txt

      - name: "6. Determine next version"
        uses: hrzn/github-tag-action@master
        id: bump_dry
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          DRY_RUN: true
          BUMP_TYPE: ${{ github.event.inputs.bump_type}}

      - name: "7. Bump version"
        run: |
          bump2version --new-version ${{ steps.bump_dry.outputs.new_tag }} patch

      - name: "8. Commit new version"
        uses: stefanzweifel/git-auto-commit-action@v4.1.6
        with:
          commit_message: Release ${{ steps.bump_dry.outputs.new_tag }}
          branch: master
          push_options: --force
          commit_user_name: Unit8 Bot
          commit_user_email: info@unit8.co

      - name: "9. Publish new tag"
        uses: hrzn/github-tag-action@master
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          CUSTOM_TAG: ${{steps.bump_dry.outputs.new_tag}}

      - name: "10. Create new release"
        id: create_release
        uses: actions/create-release@latest
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ steps.bump_dry.outputs.new_tag }}
          release_name: Release ${{steps.bump_dry.outputs.part}} ${{ steps.bump_dry.outputs.new_tag }}
          draft: false

  deploy-docker:
    needs: [release]
    runs-on: ubuntu-latest
    steps:
      - name: "1. Clone repository"
        uses: actions/checkout@v2

      - name: "2. Determine current version"
        uses: hrzn/github-tag-action@master
        id: bump_dry
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          DRY_RUN: true
          BUMP_TYPE: ${{ github.event.inputs.bump_type}}

      - name: "3. Login to docker hub"
        run: docker login -u $DOCKER_HUB_USER -p $DOCKER_HUB_TOKEN
        env:
          DOCKER_HUB_USER: ${{ secrets.DOCKER_HUB_USER }}
          DOCKER_HUB_TOKEN: ${{ secrets.DOCKER_HUB_TOKEN }}

        # downloading gradle multiple times in parallel can yield to connection errors
      - name: "4. Cache gradle distribution"
        uses: actions/cache@v2
        with:
          path: ~/.gradle/wrapper/dists
          key: release-${{ runner.os }}-gradle-${{ hashFiles('gradle/wrapper/gradle-wrapper.properties') }}

      - name: "4.1 Cache gradle packages"
        uses: actions/cache@v2
        with:
          path: ~/.gradle/caches
          key: release-${{ runner.os }}-gradle-${{ hashFiles('gradle/wrapper/gradle-wrapper.properties', 'build.gradle') }}

      #check build.gradle file for explanation of next steps
      - name: "5. Publish image with tag corresponding to current version"
        run: |
          ./gradlew dockerPushVersion -P version=${{ steps.bump_dry.outputs.tag }}

      - name: "6. Publish image with tag 'latest' if not hotfix"
        if: ${{ !contains(github.event.head_commit.message, '#hotfix') }}
        run: |
          ./gradlew dockerPushLatest


  deploy-docs:
    runs-on: ubuntu-latest
    needs: [release]
    steps:
      - name: "1. Clone repository"
        uses: actions/checkout@v2

      - name: "2. Set up Python 3.9"
        uses: actions/setup-python@v1
        with:
          python-version: '3.9'

      - name: "3. Install pandoc"
        run: |
          sudo apt-get install -y pandoc

        # downloading gradle multiple times in parallel can yield to connection errors
      - name: "4. Cache gradle distribution"
        uses: actions/cache@v2
        with:
          path: ~/.gradle/wrapper/dists
          key: release-${{ runner.os }}-gradle-${{ hashFiles('gradle/wrapper/gradle-wrapper.properties') }}

      - name: "4.1 Cache gradle packages"
        uses: actions/cache@v2
        with:
          path: ~/.gradle/caches
          key: release-${{ runner.os }}-gradle-${{ hashFiles('gradle/wrapper/gradle-wrapper.properties', 'build.gradle') }}

      - name: "5. Setup pip"
        run: |
          ./gradlew setupPip

      - name: "6. Attach cache for pip"
        uses: actions/cache@v1
        id: cache
        with:
          path: ~/.cache/pip
          key: release-${{ runner.os }}-pip-${{ hashFiles('requirements/core.txt', 'requirements/release.txt') }}
          restore-keys: |
            release-${{ runner.os }}-pip-

      - name: "7. Build docs"
        run: |
          ./gradlew buildDocs

      - name: "8. Publish documentation to gh-pages"
        uses: s0/git-publish-subdir-action@v2.2.0
        env:
          REPO: self
          BRANCH: gh-pages
          FOLDER: docs/build/html
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}