create_release.yml

name: Create Release and Publish to DHub

on:
  workflow_dispatch:
    inputs:
      versionName:
        description: 'Name of version  (ie 5.5.0)'
        required: true

env:
  GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
  VERSION: v${{ github.event.inputs.versionName }}
  IMAGE_BASE_NAME: eclipsevolttron/volttron

jobs:
  create_release_publish_to_dhub:
    runs-on: ubuntu-20.04

    steps:
    - run: echo "🎉 The job was automatically triggered by a ${{ github.event_name }} event."
    - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by GitHub!"
    - run: echo "🔎 The name of your branch is ${{ github.ref }} and your repository is ${{ github.repository }}."

    # https://github.com/marketplace/actions/checkout
    - name: Check out code
      uses: actions/checkout@v2
      with:
        fetch-depth: 0
        ref: develop

    - run: echo "💡 The ${{ github.repository }} repository has been cloned to the runner."
    - name: List files in the repository
      run: |
        ls ${{ github.workspace }}

    - name: Create release branch
      run: |
        git checkout -b release/${{ env.VERSION }}

    - name: Initialize mandatory git config
      run: |
       git config user.name "GitHub Actions"
       git config user.email noreply@github.com

    - name: Push release branch to origin
      run: git push origin release/${{ env.VERSION }}

    # https://github.com/marketplace/actions/automatic-changelog-generator
    - name: Generate changelog
      uses: charmixer/auto-changelog-action@v1
      with:
        token: ${{ env.GITHUB_TOKEN }}
        release_branch: main

    - name: Commit files
      run: |
        git add CHANGELOG.md && git commit -m 'Updated CHANGELOG.md' && echo "push=true" >> $GITHUB_ENV || echo "No changes to CHANGELOG.md"

    - name: Push changes to release branch
      if: env.push == 'true'
      run: |
        git push --set-upstream origin release/${{ env.VERSION }}

    # https://github.com/marketplace/actions/github-pull-request-action
    - name: Create pull-request from release branch to main
      uses: repo-sync/pull-request@v2
      with:
        source_branch: "release/${{ env.VERSION }}"
        destination_branch: "main"
        pr_title: "Merge release/${{ env.VERSION }} into main"
        github_token: ${{ env.GITHUB_TOKEN }}

    - name: Create and push tag
      run: |
        echo "Creating new tag ${{ env.VERSION }}"
        git tag ${{ env.VERSION }}
        git tag
        git push origin ${{ env.VERSION }}

    # https://github.com/marketplace/actions/gh-release
    - name: Create release from tag
      uses: softprops/action-gh-release@v1
      with:
        tag_name: ${{ env.VERSION }}
        body_path: ${{ github.workspace }}/CHANGELOG.md

    # Copied from publish_develop_image.yml
    - name: Clone submodule
      run: git submodule update --init --recursive

    - name: Set up QEMU
      uses: docker/setup-qemu-action@v1

    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v1

    # Ensure that the repo has the username and token added from the
    # official Volttron Dockerhub page at https://hub.docker.com/repository/docker/eclipsevolttron/volttron/general
    # On instructions how to do this, see https://docs.github.com/en/actions/guides/publishing-docker-images
    # https://github.com/docker/login-action
    - name: Login to DockerHub
      uses: docker/login-action@v1
      with:
        username: ${{ secrets.DOCKER_USER }}
        password: ${{ secrets.DOCKER_PASSWORD }}

    - name: Build and push
      id: docker_build
      uses: docker/build-push-action@v2
      with:
        context: .
        push:  true
        tags: |
          ${{ env.IMAGE_BASE_NAME }}:${{ env.VERSION }}
          ${{ env.IMAGE_BASE_NAME }}:latest

    - name: Check image publish
      if: steps.docker_build.outputs.digest == ''
      run: exit 1

    - name: Image digest
      run: echo ${{ steps.docker_build.outputs.digest }}

    - run: echo "🍏 This job's status is ${{ job.status }}."