# anchor refs to be used elsewhere
refs:
  wait_for_postgres: &wait_for_postgres
    run:
      name: waiting for postgres to be ready
      command: |
        for i in `seq 1 60`;
        do
          nc -z localhost 5432 && echo Success && exit 0
          echo -n .
          sleep 1
        done
        echo Failed waiting for Postgres && exit 1
  filter_only_vtags: &filter_only_vtags
    filters:
      tags:
        only: /^v.*/
  filter_only_release_branches: &filter_only_release_branches
    filters:
      branches:
        only: /^release-v.*/
  filter_only_dev_branches: &filter_only_dev_branches
    filters:
      branches:
        only: /^dev.*/
  filter_only_vtags_dev_release_branches: &filter_only_vtags_dev_release_branches
    filters:
      tags:
        only: /^v.*/
      branches:
        only: /^(dev|release).*/
  filter_ignore_branches: &filter_ignore_branches
    filters:
      branches:
        ignore: /.*/
  filter_ignore_dev_release_branches: &filter_ignore_dev_release_branches
    filters:
      branches:
        ignore: /^(dev|release).*/

  setup_remote_docker: &setup_remote_docker
    setup_remote_docker:
      version: 17.09.0-ce
      docker_layer_caching: true

  # ref pg environment for testing
  test_pg_env: &test_pg_env
    environment:
      POSTGRES_USER: gql_test
      POSTGRES_DB: gql_test

  # ref test server job
  test_server: &test_server
    working_directory: ~/graphql-engine
    steps:
    - checkout
    - attach_workspace:
        at: /build
    - *wait_for_postgres
    - run:
        name: test the server
        working_directory: ./server
        command: |
          DATABASE_URL="postgres://gql_test:@localhost:5432/gql_test" make ci-test

  # ref pytest server job
  pytest_server: &pytest_server
    working_directory: ~/graphql-engine
    steps:
    - checkout
    - restore_cache:
        keys:
        - server-deps-cache-{{ checksum "server/graphql-engine.cabal" }}-{{ checksum "server/stack.yaml" }}
    - attach_workspace:
        at: /build
    - *wait_for_postgres
    - run:
        command: /build/_server_output/graphql-engine serve
        background: true
        environment:
          HASURA_GRAPHQL_DATABASE_URL: postgres://gql_test:@localhost:5432/gql_test
          EVENT_WEBHOOK_HEADER: MyEnvValue
    - run:
        name: create test output dir
        command: |
          mkdir -p /build/_server_test_output/$PG_VERSION
    - run:
        name: pytest the server
        working_directory: ./server/tests-py
        environment:
          DATABASE_URL: postgres://gql_test:@localhost:5432/gql_test
          HGE_URL: http://localhost:8080
        command: |
          pip3 install -r requirements.txt
          pytest -vv --hge-url="$HGE_URL" --pg-url="$DATABASE_URL"
          ## commented for the timesake
          # stack --system-ghc hpc report /build/_server_output/graphql-engine.tix --destdir /build/_server_test_output/$PG_VERSION
    - store_artifacts:
        path: /build/_server_test_output
        destination: server_test

version: 2
jobs:
  # check if this should be built or not, fails if
  # changes only contains files in .ciignore
  check_build_worthiness:
    docker:
    - image: hasura/graphql-engine-cli-builder:v0.3
    working_directory: ~/graphql-engine
    steps:
    - checkout
    - run:
        name: check build worthiness
        command: .circleci/ciignore.sh

  # build the server binary, and package into docker image
  build_server:
    docker:
    - image: hasura/graphql-engine-server-builder:v0.3
    working_directory: ~/graphql-engine
    steps:
    - checkout
    - *setup_remote_docker
    - restore_cache:
        keys:
        - server-deps-cache-{{ checksum "server/graphql-engine.cabal" }}-{{ checksum "server/stack.yaml" }}
    - restore_cache:
        keys:
        - server-app-cache-{{ .Branch }}-{{ .Revision }}
    - run:
        name: Build the server
        working_directory: ./server
        command: |
          # for PRs non-optimized build, else optimized build
          if [[ "$CIRCLE_BRANCH" =~ ^(dev|release) || "$CIRCLE_TAG" =~ ^v ]]; then
            echo "Branch starts with dev or release, or tagged commit starts with v. Optimized build"
            make ci-binary
          else
            echo "Non-release branch, non-optimized build"
            BUILD_FLAGS="--fast" make ci-binary
          fi
          make ci-image
          make ci-save-image
    - save_cache:
        key: server-app-cache-{{ .Branch }}-{{ .Revision }}
        paths:
        - ./server/.stack-work
    - save_cache:
        key: server-deps-cache-{{ checksum "server/graphql-engine.cabal" }}-{{ checksum "server/stack.yaml" }}
        paths:
        - ~/.stack
    - store_artifacts:
        path: /build/_server_output
        destination: server
    - persist_to_workspace:
        root: /build
        paths:
          - _server_output # binary is called graphql-engine


  # job to execute when all server tests pass. later we can collect test
  # reports and publish them etc.
  all_server_tests_pass:
    docker:
    - image: alpine:edge
    steps:
    - run:
        name: All server tests passed
        command: echo 'all tests passed!'

  # test the server with postgres versions >= 9.5
  test_server_pg_10.4:
    <<: *test_server
    docker:
    - image: hasura/graphql-engine-cli-builder:v0.3
    - image: circleci/postgres:10.4-alpine
      <<: *test_pg_env

  test_server_pg_9.6:
    <<: *test_server
    docker:
    - image: hasura/graphql-engine-cli-builder:v0.3
    - image: circleci/postgres:9.6-alpine
      <<: *test_pg_env

  test_server_pg_9.5:
    <<: *test_server
    docker:
    - image: hasura/graphql-engine-cli-builder:v0.3
    - image: circleci/postgres:9.5-alpine
      <<: *test_pg_env

  # pytest the server with postgres versions >= 9.5
  pytest_server_pg_10.4:
    <<: *pytest_server
    environment:
      PG_VERSION: "10_4"
    docker:
    - image: hasura/graphql-engine-server-builder:v0.3.2
    - image: circleci/postgres:10.4-alpine
      <<: *test_pg_env

  pytest_server_pg_9.6:
    <<: *pytest_server
    environment:
      PG_VERSION: "9_6"
    docker:
    - image: hasura/graphql-engine-server-builder:v0.3.2
    - image: circleci/postgres:9.6-alpine
      <<: *test_pg_env

  pytest_server_pg_9.5:
    <<: *pytest_server
    environment:
      PG_VERSION: "9_5"
    docker:
    - image: hasura/graphql-engine-server-builder:v0.3.2
    - image: circleci/postgres:9.5-alpine
      <<: *test_pg_env

  # test and build cli
  test_and_build_cli:
    docker:
    - image: hasura/graphql-engine-cli-builder:v0.3
    - image: circleci/postgres:10-alpine
      environment:
        POSTGRES_USER: gql_test
        POSTGRES_DB: gql_test
    working_directory: /go/src/github.com/hasura/graphql-engine
    steps:
    - checkout
    - attach_workspace:
        at: /build
    - restore_cache:
        keys:
        - cli-vendor-{{ checksum "cli/Gopkg.toml" }}-{{ checksum "cli/Gopkg.lock" }}
    - run:
        name: get cli dependencies
        working_directory: cli
        command: make deps
    - save_cache:
        key: cli-vendor-{{ checksum "cli/Gopkg.toml" }}-{{ checksum "cli/Gopkg.lock" }}
        paths:
        - cli/vendor
    - *wait_for_postgres
    - run:
        name: test cli
        command: .circleci/test-cli.sh
    - run:
        name: build cli
        working_directory: cli
        command: |
          make build
          make compress
          make ci-copy-binary
    - store_artifacts:
        path: /build/_cli_output
        destination: cli
    - persist_to_workspace:
        root: /build
        paths:
          - _cli_output

  # test and build console
  test_and_build_console:
    docker:
    - image: hasura/graphql-engine-console-builder:v0.3
      environment:
        CYPRESS_KEY: 983be0db-0f19-40cc-bfc4-194fcacd85e1
    - image: circleci/postgres:10-alpine
      environment:
        POSTGRES_USER: gql_test
        POSTGRES_DB: gql_test
    working_directory: ~/graphql-engine
    parallelism: 4
    steps:
    - checkout
    - attach_workspace:
        at: /build
    - restore_cache:
        key:
          console-npm-cache-{{ checksum "console/package.json" }}-{{ checksum "console/package-lock.json" }}
    - run:
        name: install dependencies
        working_directory: console
        command: make ci-deps
    - save_cache:
        key:
          console-npm-cache-{{ checksum "console/package.json" }}-{{ checksum "console/package-lock.json" }}
        paths:
        - console/node_modules
        - ~/.npm
        - ~/.cache
    - *wait_for_postgres
    - run:
        name: test console
        command: .circleci/test-console.sh
    - run:
        name: build console
        working_directory: console
        command: |
          make build
          make ci-copy-assets
    - store_artifacts:
        path: /build/_console_output
        destination: console
    - persist_to_workspace:
        root: /build
        paths:
          - _console_output

  deploy:
    docker:
    - image: hasura/graphql-engine-deployer:v0.3
    working_directory: ~/graphql-engine
    steps:
    - *setup_remote_docker
    - checkout
    - attach_workspace:
        at: /build
    - run:
        name: deploy
        command: .circleci/deploy.sh

workflows:
  version: 2
  build_and_test:
    jobs:
    - check_build_worthiness: *filter_only_vtags
    - build_server:
        <<: *filter_only_vtags
        requires:
        - check_build_worthiness
    - test_server_pg_10.4:
        <<: *filter_only_vtags
        requires:
        - build_server
    - test_server_pg_9.6:
        <<: *filter_only_vtags
        requires:
        - build_server
    - test_server_pg_9.5:
        <<: *filter_only_vtags
        requires:
        - build_server
    - pytest_server_pg_10.4:
        <<: *filter_only_vtags
        requires:
        - build_server
    - pytest_server_pg_9.6:
        <<: *filter_only_vtags
        requires:
        - build_server
    - pytest_server_pg_9.5:
        <<: *filter_only_vtags
        requires:
        - build_server
    - all_server_tests_pass:
        <<: *filter_only_vtags
        requires:
        - test_server_pg_10.4
        - test_server_pg_9.6
        - test_server_pg_9.5
        - pytest_server_pg_10.4
        - pytest_server_pg_9.6
        - pytest_server_pg_9.5
    - test_and_build_cli:
        <<: *filter_only_vtags
        requires:
        - build_server
    - test_and_build_console:
        <<: *filter_only_vtags
        requires:
        - test_and_build_cli
    - deploy:
        <<: *filter_only_vtags_dev_release_branches
        requires:
        - test_and_build_console
        - all_server_tests_pass