docker-build-and-push.yml

# Copyright 2020 ChainSafe Systems
# SPDX-License-Identifier: LGPL-3.0-only

name: Docker build and push

on:
  push:
    branches:
    # when any if these branches receives a push
      - main
      - kovan-gorli-dev
      - evm-celo-dev
    # when any of these versions receive a push
    tags:
      - "v*.*.*"
  # when any releases are created
  release:
    types:
      - created
  repository_dispatch:
    types: [push-core-to-main-branch]

# list jobs
jobs:
  e2e:
    name: E2E Tests
    strategy:
      matrix:
        go-version: [ 1.15.x ]
        platform: [ ubuntu-latest ]
    runs-on: ${{ matrix.platform }}
    steps:
      - name: Install Go
        uses: actions/setup-go@v2
        with:
          go-version: ${{ matrix.go-version }}
      - name: Checkout code
        uses: actions/checkout@v2
      - uses: actions/cache@v2.1.6
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-
      - name: Update chainbridge-core, celo-module
        run:  |
          go get -u -v github.com/ChainSafe/chainbridge-core
          go get -u -v github.com/ChainSafe/chainbridge-celo-module
      - name: Run nodes
        run: docker-compose -f ./docker-compose.e2e.yml up -d
      - name: Run tests
        run: make e2e-test
        continue-on-error: true
      - run: |
          docker ps -a
          docker logs relayer

  commit-updated-dependencies:
    needs: [e2e]
    name: Update core-example dependencies
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
          # allow auto committing with PAT
        with:
          token: ${{ secrets.CI_WRITE_PAT }}
      - name: Setup go environment
        uses: actions/setup-go@v2
        with:
          go-version: ${{ matrix.go-version }}
      - name: Update chainbridge-core, celo-module
        run:  |
          go get -u -v github.com/ChainSafe/chainbridge-core
          go get -u -v github.com/ChainSafe/chainbridge-celo-module
      - uses: stefanzweifel/git-auto-commit-action@v4
        with:
          commit_message: Updated repo with commit  ${{ github.event.client_payload.sha }}
      - name: Get merge commit that triggered update
        run: echo "Merge commit ${{ github.event.client_payload.sha }}"

  build-and-deploy:
    needs: [commit-updated-dependencies]
    name: Docker Deployment
    runs-on: ubuntu-latest
    environment: build
    # requires these jobs to run first
    # if check not passed, job will be skipped
    if: github.ref == 'refs/heads/main' || contains(github.ref, '/tags/v') || github.ref == 'refs/heads/kovan-gorli-dev' || github.ref == 'refs/heads/evm-celo-dev'
    # list steps
    steps:
      - name: Checkout
        uses: actions/checkout@v2
    # prepares docker images
      - name: Prepare
        id: prep
        run: |
          # creates local variable of chainbridge docker image
          DOCKER_IMAGE=chainsafe/chainbridge-core-example

          # creates local variable of commit hash that triggered workflow
          BRANCH_ON=$(git branch --show-current)

          # creates local variable to hold docker images
          TAGS="${DOCKER_IMAGE}:${BRANCH_ON}"

          # check if branch/tag that triggered workflow was from tags
          if [[ $GITHUB_REF == refs/tags/* ]]; then

            # set version
            VERSION=${GITHUB_REF#refs/tags/}

            # append version to tags
            TAGS="${TAGS},${DOCKER_IMAGE}:${VERSION}"
          fi
          # sets output of step
          echo ::set-output name=tags::${TAGS}
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      - name: Login to DockerHub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.prep.outputs.tags }}
      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}