# anchor refs to be used elsewhere
refs:
  constants:
  # TODO upload to hasura docker hub:
  # - &server_builder_image hasura/graphql-engine-server-builder:2020-01-14
  - &server_builder_image jberryman/graphql-engine-server-builder-8.10:2020-04-29
  skip_job_on_ciignore: &skip_job_on_ciignore
    run:
      name: checking if job should be terminated or not
      command: |
        if [ -f /build/ciignore/skip_job.txt ]; then
          echo "halting job due to /build/ciignore/skip_job.txt"
          circleci-agent step halt
        else
          echo "no skip_job file present, full steam ahead"
        fi
  skip_server_tests: &skip_server_tests
    run:
      name: checking if server tests can be skipped
      command: |
        echo "PR number: $CIRCLE_PR_NUMBER"
        if [ -z "$CIRCLE_PR_NUMBER" ]; then
          echo "Not a PR build, continuing test" && exit 0
        fi
        echo "Compare refs: ${CIRCLE_COMPARE_URL##http*/}" 
        if git diff --quiet "${CIRCLE_COMPARE_URL##http*/}" -- server; then
          echo "No server changes present, skipping test"
          circleci-agent step halt
        else
          echo "Server changes present, continuing test"
        fi
  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
  wait_for_hge: &wait_for_hge
    run:
      name: waiting for graphql-engine to be ready
      command: |
        for i in `seq 1 60`;
        do
          nc -z localhost 8080 && echo Success && exit 0
          echo -n .
          sleep 1
        done
        echo Failed waiting for graphql-engine && 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_channel_branches: &filter_only_vtags_channel_branches
    filters:
      tags:
        only: /^v.*/
      branches:
        only: /^(stable|alpha|beta)$/
  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:
    - attach_workspace:
        at: /build
    - *skip_job_on_ciignore
    - checkout
    - *skip_server_tests
    - *wait_for_postgres
    - run:
        name: Install deps
        # if the man directories are missing, postgresql-client fails
        # to install in debian
        command: |
          mkdir -p /usr/share/man/man{1,7}
          apt-get update
          apt install --yes pgbouncer jq curl postgresql-client-12
    - run:
        name: Ensure databases are present
        environment:
          # sqlalchemy throws warnings with postgres://
          DATABASE_URL: 'postgresql://gql_test:@localhost:5432/gql_test'
        command: |
          psql "$DATABASE_URL" -c "SELECT 1 FROM pg_database WHERE datname = 'gql_test2'" | grep -q -F '(1 row)' || psql "$DATABASE_URL" -c 'CREATE DATABASE gql_test2;'
    - run:
        name: Run tests
        environment:
          # Setting default number of threads to 2
          # since circleci allocates 2 cpus per test container
          GHCRTS: -N2
          # Until we can use a real webserver for TestEventFlood, limit concurrency:
          HASURA_GRAPHQL_EVENTS_HTTP_POOL_SIZE: 8
          HASURA_GRAPHQL_DATABASE_URL: postgresql://gql_test:@localhost:5432/gql_test
          HASURA_GRAPHQL_DATABASE_URL_2: postgresql://gql_test:@localhost:5432/gql_test2
          GRAPHQL_ENGINE: /build/_server_output/graphql-engine
          GRAPHQL_ENGINE_TESTS: /build/_server_output/graphql-engine-tests
          MIX_FILES_FOLDER: /build/_server_output/mix
        command: OUTPUT_FOLDER="/build/_server_test_output/$PG_VERSION" .circleci/test-server.sh
    - 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:20191205
    working_directory: ~/graphql-engine
    steps:
    - attach_workspace:
        at: /build
    - checkout
    - run:
        name: check build worthiness
        command: .circleci/ciignore.sh
    - persist_to_workspace:
        root: /build
        paths:
        - ciignore

  build_server:
    docker:
    - image: *server_builder_image
    resource_class: large
    working_directory: ~/graphql-engine
    steps:
    - attach_workspace:
        at: /build
    - *skip_job_on_ciignore
    - checkout
    - restore_cache:
        keys:
        - cabal-store-v2-{{ checksum "server/cabal.project" }}-{{ checksum "server/graphql-engine.cabal" }}-{{ checksum "server/cabal.project.freeze" }}
        - cabal-store-v2-{{ checksum "server/cabal.project" }}-{{ checksum "server/graphql-engine.cabal" }}-
        - cabal-store-v2-{{ checksum "server/cabal.project" }}-
        - cabal-store-v2-
    - run:
        name: Install latest postgresql client tools
        command: |
          apt-get -y update
          apt-get -y install postgresql-client-12
    - run:
        name: Build the binary
        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-build
          else
            echo "Non-release branch, build with coverage"
            make enable_coverage=true ci-build
          fi
    - save_cache:
        key: cabal-store-v2-{{ checksum "server/cabal.project" }}-{{ checksum "server/graphql-engine.cabal" }}-{{ checksum "server/cabal.project.freeze" }}
        paths:
        - ~/.cabal/packages
        - ~/.cabal/store
    - store_artifacts:
        path: /build/_server_output
        destination: server
    - persist_to_workspace:
        root: /build
        paths: [_server_output]

  build_image:
    docker:
    - image: *server_builder_image
    working_directory: ~/graphql-engine
    steps:
    - attach_workspace:
        at: /build
    - *skip_job_on_ciignore
    - checkout
    - *setup_remote_docker
    - run:
        name: Build the docker image
        working_directory: ./server
        command: |
          # copy console assets to the rootfs - packaging/build/rootfs
          export ROOTFS=packaging/build/rootfs
          mkdir -p "$ROOTFS/srv"
          cp -r /build/_console_output/assets "$ROOTFS/srv/console-assets"

          # build and save the image
          make ci-image
          make ci-save-image
    - store_artifacts:
        path: /build/_server_output/image.tar
        destination: server/image.tar
    - persist_to_workspace:
        root: /build
        paths: [_server_output/image.tar]

  # 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 server tests passed!'

  # pytest the server with postgres versions >= 9.5
  test_server_pg_12:
    <<: *test_server
    environment:
      PG_VERSION: "12"
      POSTGIS_VERSION: "3.0.0"
    docker:
    - image: *server_builder_image
    - image: hasura/postgres-12.0-alpine-postgis3:6cbd863d47c0
      <<: *test_pg_env

  test_server_pg_11:
    <<: *test_server
    environment:
      PG_VERSION: "11"
    docker:
    - image: *server_builder_image
    - image: circleci/postgres:11-alpine-postgis
      <<: *test_pg_env

  test_server_pg_10:
    <<: *test_server
    environment:
      PG_VERSION: "10"
    docker:
    - image: *server_builder_image
    - image: circleci/postgres:10-alpine-postgis
      <<: *test_pg_env

  test_server_pg_9.6:
    <<: *test_server
    environment:
      PG_VERSION: "9_6"
    docker:
    - image: *server_builder_image
    - image: circleci/postgres:9.6-alpine-postgis
      <<: *test_pg_env

  test_server_pg_9.5:
    <<: *test_server
    environment:
      PG_VERSION: "9_5"
    docker:
    - image: *server_builder_image
    - image: circleci/postgres:9.5-alpine-postgis
      <<: *test_pg_env

  server_unit_tests:
    resource_class: large
    docker:
    - image: *server_builder_image
    working_directory: ~/graphql-engine
    steps:
    - attach_workspace:
        at: /build
    - *skip_job_on_ciignore
    - checkout
    - *skip_server_tests
    - run:
        name: Run unit tests
        environment:
          GHCRTS: -N2
        command: /build/_server_output/graphql-engine-tests unit

  test_cli_with_last_release:
    docker:
    - image: hasura/graphql-engine-cli-builder:20191205
    - image: circleci/postgres:10-alpine
      environment:
        POSTGRES_USER: gql_test
        POSTGRES_DB: gql_test
    working_directory: ~/graphql-engine
    steps:
    - attach_workspace:
        at: /build
    - *skip_job_on_ciignore
    - checkout
    - restore_cache:
        keys:
        - cli-gopkg-{{ checksum "cli/go.mod" }}-{{ checksum "cli/go.sum" }}
    - run:
        name: get cli dependencies
        working_directory: cli
        command: make deps
    - save_cache:
        key: cli-gopkg-{{ checksum "cli/go.mod" }}-{{ checksum "cli/go.sum" }}
        paths:
        - /go/pkg
    - *wait_for_postgres
    - run:
        name: test cli
        command: .circleci/test-cli-with-last-release.sh
    - store_artifacts:
        path: /build/_cli_output
        destination: cli

  # test and build cli extension
  test_and_build_cli_ext:
    docker:
    - image: hasura/graphql-engine-extension-cli-builder:20200225
    working_directory: ~/graphql-engine
    steps:
    - attach_workspace:
        at: /build
    - *skip_job_on_ciignore
    - checkout
    - restore_cache:
        key:
          cli-ext-npm-cache-v2-{{ checksum "cli-ext/package.json" }}-{{ checksum "cli-ext/package-lock.json" }}
    - run:
        name: install dependencies
        working_directory: cli-ext
        command: make ci-deps
    - save_cache:
        key:
          cli-ext-npm-cache-v2-{{ checksum "cli-ext/package.json" }}-{{ checksum "cli-ext/package-lock.json" }}
        paths:
        - cli-ext/node_modules
        - ~/.npm
        - ~/.cache
    - run:
        name: build extension cli
        working_directory: cli-ext
        command: |
          npm install -g pkg
          npm run build
          make deploy
          make ci-copy-assets
    - store_artifacts:
        path: /build/_cli_ext_output
        destination: cli_ext
    - persist_to_workspace:
        root: /build
        paths:
          - _cli_ext_output

  # test and build cli
  test_and_build_cli:
    docker:
    - image: hasura/graphql-engine-cli-builder:20191205
    - image: circleci/postgres:10-alpine
      environment:
        POSTGRES_USER: gql_test
        POSTGRES_DB: gql_test
    working_directory: ~/graphql-engine
    steps:
    - attach_workspace:
        at: /build
    - *skip_job_on_ciignore
    - checkout
    - restore_cache:
        keys:
        - cli-gopkg-{{ checksum "cli/go.mod" }}-{{ checksum "cli/go.sum" }}
    - run:
        name: get cli dependencies
        working_directory: cli
        command: make deps
    - save_cache:
        key: cli-gopkg-{{ checksum "cli/go.mod" }}-{{ checksum "cli/go.sum" }}
        paths:
        - /go/pkg
    - *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_cli_migrations:
    docker:
    - image: hasura/graphql-engine-cli-migrations-builder:20200415
    working_directory: ~/graphql-engine
    steps:
    - attach_workspace:
        at: /build
    - *skip_job_on_ciignore
    - checkout
    - *setup_remote_docker
    - run:
        name: Install Docker Compose
        command: |
          set -x
          curl -L https://github.com/docker/compose/releases/download/1.25.3/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose
          chmod +x /usr/local/bin/docker-compose
    - run:
        name: Build cli-migrations image
        working_directory: scripts/cli-migrations
        command: |
          mkdir -p /build/_cli_migrations_output
          make all
    - store_artifacts:
        path: /build/_cli_migrations_output
        destination: cli-migrations
    - persist_to_workspace:
        root: /build
        paths:
          - _cli_migrations_output

  # build console assets
  build_console:
    docker:
    - image: hasura/graphql-engine-console-builder:20190515
    working_directory: ~/graphql-engine
    steps:
    - attach_workspace:
        at: /build
    - *skip_job_on_ciignore
    - checkout
    - 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
    - run:
        name: build console
        working_directory: console
        command: |
          make build
          make ci-copy-assets
    - run:
        name: setup assets directory
        command: |
          export ASSETS_PATH=/build/_console_output/assets
          mkdir -p "$ASSETS_PATH"
          gsutil -m cp -r gs://graphql-engine-cdn.hasura.io/console/assets/common "$ASSETS_PATH"
          # gsutil decompresses files automatically, need to compress font-awesome again
          # (see https://github.com/GoogleCloudPlatform/gsutil/issues/515)
          mv "$ASSETS_PATH/common/css/font-awesome.min.css.gz" "$ASSETS_PATH/common/css/font-awesome.min.css"
          gzip "$ASSETS_PATH/common/css/font-awesome.min.css"
          # copy versioned assets and compress them
          mkdir -p "$ASSETS_PATH/versioned"
          cp "$ASSETS_PATH"/../{main.js,main.css,vendor.js} "$ASSETS_PATH/versioned/"
          gzip -r "$ASSETS_PATH/versioned/"
    - store_artifacts:
        path: /build/_console_output
        destination: console
    - persist_to_workspace:
        root: /build
        paths:
          - _console_output

  # test console
  test_console:
    docker:
    - image: hasura/graphql-engine-console-builder:v0.3
      environment:
        CYPRESS_KEY: 983be0db-0f19-40cc-bfc4-194fcacd85e1
        GHCRTS: -N1
    - image: circleci/postgres:10-alpine-postgis
      environment:
        POSTGRES_USER: gql_test
        POSTGRES_DB: gql_test
    working_directory: ~/graphql-engine
    parallelism: 4
    steps:
    - attach_workspace:
        at: /build
    - *skip_job_on_ciignore
    - checkout
    - 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
    - store_artifacts:
        path: /build/_console_output/server.log

  # test server upgrade from last version to current build
  test_server_upgrade:
    docker:
    # Using the image for pytests, since server upgrade tests are now a bunch of pytests
    - image: *server_builder_image
      environment:
        HASURA_GRAPHQL_DATABASE_URL: postgresql://gql_test:@localhost:5432/gql_test
    - image: circleci/postgres:11-alpine-postgis
      environment:
        POSTGRES_USER: gql_test
        POSTGRES_DB: gql_test
    working_directory: ~/graphql-engine
    steps:
    - attach_workspace:
        at: /build
    - *skip_job_on_ciignore
    - checkout
    - *skip_server_tests
    - run:
        name: install_necessary_packages
        command: |
          apt-get update
          apt install -y curl procps
    - run:
        name: upgrade_test
        command: .circleci/server-upgrade-downgrade/run.sh
        environment:
          HASURA_GRAPHQL_DATABASE_URL: postgresql://gql_test:@localhost:5432/gql_test
    - store_artifacts:
        path: /build/_server_output
        destination: server

  deploy:
    docker:
    - image: hasura/graphql-engine-deployer:v0.4
    working_directory: ~/graphql-engine
    steps:
    - attach_workspace:
        at: /build
    - *skip_job_on_ciignore
    - *setup_remote_docker
    - checkout
    - run:
        name: deploy
        command: .circleci/deploy.sh

workflows:
  version: 2
  workflow_v20200414:
    jobs:
    - check_build_worthiness: *filter_only_vtags
    - test_and_build_cli_ext:
        <<: *filter_only_vtags
        requires:
        - check_build_worthiness
    - build_console:
        <<: *filter_only_vtags
        requires:
        - check_build_worthiness
    - build_server:
        <<: *filter_only_vtags
        requires:
        - check_build_worthiness
    - test_cli_with_last_release:
        <<: *filter_only_vtags
        requires:
        - test_and_build_cli_ext
        - check_build_worthiness
    - build_image:
        <<: *filter_only_vtags
        requires:
        - build_server
        - build_console
    - test_server_pg_12:
        <<: *filter_only_vtags
        requires:
        - build_server
    - test_server_pg_11:
        <<: *filter_only_vtags
        requires:
        - build_server
    - test_server_pg_10:
        <<: *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
    - server_unit_tests:
        <<: *filter_only_vtags
        requires:
        - build_server
    - test_server_upgrade:
        <<: *filter_only_vtags
        requires:
        - build_server
    - all_server_tests_pass:
        <<: *filter_only_vtags
        requires:
        - test_server_pg_12
        - test_server_pg_11
        - test_server_pg_10
        - test_server_pg_9.6
        - test_server_pg_9.5
        - server_unit_tests
        - test_server_upgrade
    - test_and_build_cli:
        <<: *filter_only_vtags
        requires:
        - test_and_build_cli_ext
        - build_server
    - test_and_build_cli_migrations:
        <<: *filter_only_vtags
        requires:
        - build_image
        - test_and_build_cli
    - test_console:
        <<: *filter_only_vtags
        requires:
        - build_console
        - test_and_build_cli
        - test_cli_with_last_release
    - deploy:
        <<: *filter_only_vtags_channel_branches
        requires:
        - build_image
        - test_console
        - test_and_build_cli_migrations
        - all_server_tests_pass