config.yml

version: 2.1

orbs:
  ruby: circleci/ruby@2.1.1
  node: circleci/node@5.2.0
  docker: circleci/docker@2.5.0
  kubernetes: circleci/kubernetes@1.3.1
  browser-tools: circleci/browser-tools@1.4.8

workflows:
  version: 2
  test_build_deploy:
    jobs:
      - test
      - build:
          requires:
            - test
          filters:
             branches:
               only: main
      - deploy:
          requires:
            - test
            - build
          filters:
             branches:
               only: main

jobs:     
  test:
    docker:
      - image: cimg/ruby:3.2.3-browsers 
      - image: cimg/postgres:13.7
        environment:
          POSTGRES_USER: cpcwood-circleci
          POSTGRES_PASSWORD: "test"
          POSTGRES_DB: home_server_test
    environment:
      BUNDLE_JOBS: "3"
      BUNDLE_RETRY: "3"
      PGHOST: 127.0.0.1
      PGUSER: cpcwood-circleci
      PGPASSWORD: "test"
      DB_NAME_TEST: home_server_test
      RAILS_ENV: test
    steps:
      - checkout
      - browser-tools/install-browser-tools
      - ruby/install-deps:
          include-branch-in-cache-key: false
      - node/install-packages:
          pkg-manager: yarn
          include-branch-in-cache-key: false
      - run:
          name: 'Wait for DB'
          command: dockerize -wait tcp://localhost:5432 -timeout 1m
      - run:
          name: 'Database setup'
          command: bundle exec rails db:schema:load --trace
      - ruby/rspec-test
      - run:
          name: 'Rubocop linter'
          command: bundle exec rubocop -a
      - run:
          name: 'JavaScript testing'
          command: yarn test
      - run: 
          name: 'JavaScript linting'
          command: yarn lint
      - run:
          name: 'Automerge PR'
          command: |
            if [ -z "$CIRCLE_PULL_REQUEST" ]; then
              echo 'Not in pull request, skipping automerge'
              exit 0
            fi
            if ./scripts/circle-ci/circle-ci-auto-merge ; then
                echo 'Merge successful'
            else
                echo 'Merge failed'
                exit 1
            fi
  build:
    docker:
      - image: docker
    steps:
      - checkout
      - setup_remote_docker:
          version: 20.10.6
      - run:
          name: 'Docker Login'
          command: |
            echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin >/dev/null 2>&1
      - run:
          name: 'Pull previous images for cache'
          command: |
            docker pull "$DOCKER_USERNAME/home-server-base" || true
            docker pull "$DOCKER_USERNAME/home-server-app" || true
            docker pull "$DOCKER_USERNAME/home-server-worker-dependencies" || true
            docker pull "$DOCKER_USERNAME/home-server-worker" || true
      - run:
          name: 'Build home-server-base image'
          command: |
            docker build \
                --cache-from "$DOCKER_USERNAME/home-server-base" \
                -t "$DOCKER_USERNAME/home-server-base:$(echo $CIRCLE_SHA1 | head -c8)" \
                -t $DOCKER_USERNAME/home-server-base:latest \
                --build-arg grecaptcha_site_key=$GRECAPTCHA_SITE_KEY \
                --build-arg MAX_MIND_LICENSE=$MAX_MIND_LICENSE \
                -f ./.docker/dockerfiles/base.Dockerfile \
                .
      - run:
          name: 'Build home-server-app image'
          command: |
            docker build \
                --cache-from "$DOCKER_USERNAME/home-server-app" \
                -t "$DOCKER_USERNAME/home-server-app:$(echo $CIRCLE_SHA1 | head -c8)" \
                -t $DOCKER_USERNAME/home-server-app:latest \
                -f ./.docker/dockerfiles/Dockerfile \
                .
      - run:
          name: 'Build home-server-worker-dependencies image'
          command: |
            docker build \
                --cache-from "$DOCKER_USERNAME/home-server-worker-dependencies" \
                -t "$DOCKER_USERNAME/home-server-worker-dependencies:$(echo $CIRCLE_SHA1 | head -c8)" \
                -t $DOCKER_USERNAME/home-server-worker-dependencies:latest \
                -f ./.docker/dockerfiles/worker-dependencies.Dockerfile \
                .
      - run:
          name: 'Build home-server-worker image'
          command: |
            docker build \
                --cache-from "$DOCKER_USERNAME/home-server-worker" \
                -t "$DOCKER_USERNAME/home-server-worker:$(echo $CIRCLE_SHA1 | head -c8)" \
                -t $DOCKER_USERNAME/home-server-worker:latest \
                -f ./.docker/dockerfiles/worker.Dockerfile \
                .
      - run:
          name: 'Publish images'
          command: |
            docker push --all-tags "$DOCKER_USERNAME/home-server-base"
            docker push --all-tags "$DOCKER_USERNAME/home-server-app"
            docker push --all-tags "$DOCKER_USERNAME/home-server-worker-dependencies"
            docker push --all-tags "$DOCKER_USERNAME/home-server-worker"
  deploy:
    docker:
      - image: cimg/base:stable
    steps:
      - checkout
      - kubernetes/install-kubectl
      - run:
          name: 'Update config files in ./kube with current container version'
          command: find ./.kube/ -type f | xargs sed -i "s/CONTAINER_VERSION/$(echo $CIRCLE_SHA1 | head -c8)/g"
      - run:
          name: 'Creating cluster certificate from ENV'
          command: echo "$KUBERNETES_CLUSTER_CERTIFICATE" | base64 --decode > cert.crt
      - run:
          name: 'Apply Kubernetes config to server'
          command: |
            kubectl --kubeconfig=/dev/null \
              --certificate-authority=cert.crt \
              --server=$KUBERNETES_SERVER \
              --token=$KUBERNETES_SERVICE_ACC_TOKEN \
              apply -Rf ./.kube/app/
      - run:
          name: 'Remove cluster certificate artifact'
          command: rm -f cert.crt
          when: always