release.yaml

name: Release

on:
  push:
    branches: 
      - master
  workflow_dispatch:
    inputs:
      bump:
        description: 'Bump rule'
        required: false
        default: prerelease
        type: choice
        options:
        - major
        - minor
        - patch
        - prerelease
        - premajor
        - preminor
        - prepatch
      version:
        description: 'Release version (ommit to bump)'
        required: false

env:
  HYDRO_MONITORING_REPO: ${{ github.repository_owner }}/hydro-monitoring
  IMAGE: shell-ui # name of the built image
  REGISTRY: hydrosphere

defaults:
  run:
    shell: bash

jobs:
  version:
    name: 'Determine release version'
    runs-on: ubuntu-20.04

    outputs:
      version: ${{ env.VERSION }}

    steps:
      - name: Checkout the repository
        uses: actions/checkout@v2

      - name: Get the latest tag
        id: get-latest-tag
        uses: actions-ecosystem/action-get-latest-tag@v1
        with:
          semver_only: true

      - uses: actions-ecosystem/action-bump-semver@v1
        if: env.VERSION == '' && github.event_name == 'workflow_dispatch'
        id: bump-semver
        with:
          current_version: ${{ steps.get-latest-tag.outputs.tag }}
          level: ${{ github.event.inputs.bump }}

      - name: Set VERSION variable for global release
        if: env.VERSION == '' && github.event_name == 'workflow_dispatch'
        run: echo VERSION=${{ steps.bump-semver.outputs.new_version }} >> $GITHUB_ENV

      - name: Force set VERSION variable
        if: github.event.inputs.version != '' && github.event_name == 'workflow_dispatch'
        run: echo VERSION=${{ github.event.inputs.version }} >> $GITHUB_ENV

      - name: Set VERSION variable for local release
        if: github.event_name == 'push'
        run: echo VERSION=${{ github.sha }} >> $GITHUB_ENV

  build_push:
    needs: version
    name: 'Build and Push image to registry'
    runs-on: ubuntu-20.04

    env:
      VERSION: ${{ needs.version.outputs.version }}

    steps:
      - name: Checkout Repo
        uses: actions/checkout@v2

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

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

      - name: Login to DockerHub
        uses: docker/login-action@v1.10.0
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_PASSWORD }}

      - name: Cache Docker layers
        uses: actions/cache@v2
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-

      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          context: .
          builder: ${{ steps.buildx.outputs.name }}
          push: true
          tags: |
            ${{ env.REGISTRY }}/${{ env.IMAGE }}:latest
            ${{ env.REGISTRY }}/${{ env.IMAGE }}:${{ env.VERSION }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new
      
      # Temp fix
      # https://github.com/docker/build-push-action/issues/252
      - name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache
  
  update_image_version:
    needs: [version, build_push]
    if: github.event_name == 'push'
    name: 'Update image version in hydro-monitoring repo'
    runs-on: ubuntu-20.04

    env:
      VERSION: ${{ needs.version.outputs.version }}

    steps:
      - uses: aurelien-baudet/workflow-dispatch@v2.1.1
        with:
          workflow: Local release
          ref: main
          token: ${{ secrets.HYDRO_SERVING_TOKEN }}
          repo: ${{ env.HYDRO_MONITORING_REPO }}
          inputs: '{"service_image_name":"${{ env.IMAGE }}", "registry_url":"${{ env.REGISTRY }}", "tag":"${{ env.VERSION }}"}'

  release:
    if: github.event_name == 'workflow_dispatch'
    needs: [version, build_push]
    name: 'Global release'
    runs-on: ubuntu-20.04

    env:
      VERSION: ${{ needs.version.outputs.version }}

    steps:
      - name: Checkout Repo
        uses: actions/checkout@v2

      - name: Push to repo
        run: |
          git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          sudo chown -R "${USER:-$(id -un)}" .
          git commit -m "Releasing ${{ env.IMAGE }}:${{ env.VERSION }}" -a --allow-empty
          git push

      - name: Reports
        run: echo "::set-output name=tag-output::${{ env.VERSION }}"

      - name: Create github release
        uses: meeDamian/github-release@2.0
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          tag: ${{ env.VERSION }}