name: ci

on:
  push:
    branches:
      - main
      - dev
  pull_request:
  # You can use the merge_group event to trigger your GitHub Actions workflow when
  # a pull request is added to a merge queue
  # https://docs.github.com/en/repositories/configuring-branches-and-merges-in-your-repository/configuring-pull-request-merges/managing-a-merge-queue#triggering-merge-group-checks-with-github-actions
  merge_group:

jobs:
  lint:
    runs-on: ubuntu-latest
    container: python:3.9
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-node@v3
        with:
          node-version: 14.17.0
      - name: Build
        run: |
          pip install $(grep "pre-commit" engine/requirements.txt)
          npm install -g yarn
          cd grafana-plugin/
          yarn --network-timeout 500000
          yarn build
      # pre-commit uses git, which is not working in the action without this workaround
      # see https://github.com/actions/runner-images/issues/6775
      - run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
      - name: Lint All
        run: |
          pre-commit run --all-files

  test-frontend:
    runs-on: ubuntu-latest
    container: python:3.9
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-node@v3
        with:
          node-version: 14.17.0
      - name: Unit Testing Frontend
        run: |
          pip install $(grep "pre-commit" engine/requirements.txt)
          npm install -g yarn
          cd grafana-plugin/
          yarn --network-timeout 500000
          yarn test

  test-technical-documentation:
    runs-on: ubuntu-latest
    steps:
      - name: "Check out code"
        uses: "actions/checkout@v3"
      - name: "Build website"
        # -e HUGO_REFLINKSERRORLEVEL=ERROR prevents merging broken refs with the downside
        # that no refs to external content can be used as these refs will not resolve in the
        # docs-base image.
        run: |
          docker run -v ${PWD}/docs/sources:/hugo/content/docs/oncall/latest -e HUGO_REFLINKSERRORLEVEL=ERROR --rm grafana/docs-base:latest /bin/bash -c 'make hugo'

  lint-migrations-backend-mysql-rabbitmq:
    name: "Lint migrations"
    runs-on: ubuntu-latest
    container: python:3.9
    env:
      DJANGO_SETTINGS_MODULE: settings.ci-test
      SLACK_CLIENT_OAUTH_ID: 1
    services:
      rabbit_test:
        image: rabbitmq:3.7.19
        env:
          RABBITMQ_DEFAULT_USER: rabbitmq
          RABBITMQ_DEFAULT_PASS: rabbitmq
      mysql_test:
        image: mysql:5.7.25
        env:
          MYSQL_DATABASE: oncall_local_dev
          MYSQL_ROOT_PASSWORD: local_dev_pwd
    steps:
      - uses: actions/checkout@v3
      - name: Lint migrations
        run: |
          cd engine/
          pip install -r requirements.txt
          python manage.py lintmigrations

  unit-test-backend-mysql-rabbitmq:
    name: "Backend Tests: MySQL + RabbitMQ (RBAC enabled: ${{ matrix.rbac_enabled }})"
    runs-on: ubuntu-latest
    container: python:3.9
    strategy:
      matrix:
        rbac_enabled: ["True", "False"]
    env:
      DJANGO_SETTINGS_MODULE: settings.ci-test
      SLACK_CLIENT_OAUTH_ID: 1
    services:
      rabbit_test:
        image: rabbitmq:3.7.19
        env:
          RABBITMQ_DEFAULT_USER: rabbitmq
          RABBITMQ_DEFAULT_PASS: rabbitmq
      mysql_test:
        image: mysql:5.7.25
        env:
          MYSQL_DATABASE: oncall_local_dev
          MYSQL_ROOT_PASSWORD: local_dev_pwd
    steps:
      - uses: actions/checkout@v2
      - name: Unit Test Backend
        run: |
          apt-get update && apt-get install -y netcat
          cd engine/
          pip install -r requirements.txt
          ./wait_for_test_mysql_start.sh && ONCALL_TESTING_RBAC_ENABLED=${{ matrix.rbac_enabled }} pytest -x

  unit-test-backend-postgresql-rabbitmq:
    name: "Backend Tests: PostgreSQL + RabbitMQ (RBAC enabled: ${{ matrix.rbac_enabled }})"
    runs-on: ubuntu-latest
    container: python:3.9
    strategy:
      matrix:
        rbac_enabled: ["True", "False"]
    env:
      DATABASE_TYPE: postgresql
      DJANGO_SETTINGS_MODULE: settings.ci-test
      SLACK_CLIENT_OAUTH_ID: 1
    services:
      rabbit_test:
        image: rabbitmq:3.7.19
        env:
          RABBITMQ_DEFAULT_USER: rabbitmq
          RABBITMQ_DEFAULT_PASS: rabbitmq
      postgresql_test:
        image: postgres:14.4
        env:
          POSTGRES_DB: oncall_local_dev
          POSTGRES_PASSWORD: local_dev_pwd
        # Set health checks to wait until postgres has started
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
    steps:
      - uses: actions/checkout@v2
      - name: Unit Test Backend
        run: |
          cd engine/
          pip install -r requirements.txt
          ONCALL_TESTING_RBAC_ENABLED=${{ matrix.rbac_enabled }} pytest -x

  unit-test-backend-sqlite-redis:
    name: "Backend Tests: SQLite + Redis (RBAC enabled: ${{ matrix.rbac_enabled }})"
    runs-on: ubuntu-latest
    container: python:3.9
    strategy:
      matrix:
        rbac_enabled: ["True", "False"]
    env:
      DATABASE_TYPE: sqlite3
      BROKER_TYPE: redis
      REDIS_URI: redis://redis_test:6379
      DJANGO_SETTINGS_MODULE: settings.ci-test
      SLACK_CLIENT_OAUTH_ID: 1
    services:
      redis_test:
        image: redis:7.0.5
        options: >-
          --health-cmd "redis-cli ping"
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
    steps:
      - uses: actions/checkout@v2
      - name: Unit Test Backend
        run: |
          apt-get update && apt-get install -y netcat
          cd engine/
          pip install -r requirements.txt
          ONCALL_TESTING_RBAC_ENABLED=${{ matrix.rbac_enabled }} pytest -x

  unit-test-pd-migrator:
    runs-on: ubuntu-latest
    container: python:3.9
    steps:
      - uses: actions/checkout@v2
      - name: Unit Test PD Migrator
        run: |
          cd tools/pagerduty-migrator
          pip install -r requirements.txt
          pytest -x

  docker-build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Test docker build (no push)
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          context: ./engine
          file: ./engine/Dockerfile
          push: false
          target: prod
      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}