version: 2.1

defaults: &defaults
  working_directory: ~/dd-trace-java
  resource_class: xlarge
  docker:
    - image: &default_container datadog/dd-trace-java-docker-build:latest
      environment:
        JAVA_HOME: /usr/local/openjdk-11

cache_keys: &cache_keys
  keys:
    # Rev the version when the cache gets too big
    - trace-java-v1-{{ .Branch }}-{{ .Revision }}
    - trace-java-v1-{{ .Branch }}

parameters:
  gradle_flags:
    type: string
    default: "--stacktrace --no-daemon"

jobs:
  build:
    <<: *defaults

    steps:
      - checkout

      - restore_cache:
          <<: *cache_keys

      - run:
          name: Build Project
          command: >-
            GRADLE_OPTS="-Dorg.gradle.jvmargs='-Xmx1G -Xms64M' -Dota.forkedMaxHeapSize=1G -Dota.forkedMinHeapSize=64M"
            ./gradlew clean build shadowJar -x test
            << pipeline.parameters.gradle_flags >>
            --max-workers=8

      - run:
          name: Collect Libs
          when: always
          command: .circleci/collect_libs.sh

      - store_artifacts:
          path: ./libs

      - run:
          name: Collect Reports
          when: on_fail
          command: .circleci/collect_reports.sh

      - store_artifacts:
          path: ./reports

      - persist_to_workspace:
          root: .
          paths:
            - .gradle
            - workspace

      - save_cache:
          key: trace-java-v1-{{ .Branch }}-{{ .Revision }}
          paths: ~/.gradle


  default_test_job: &default_test_job
    <<: *defaults

    docker:
      - image: *default_container
        environment:
          JAVA_HOME: /usr/local/openjdk-11
        # This is used by spymemcached instrumentation tests
      - image: memcached
        # This is used by rabbitmq instrumentation tests
      - image: rabbitmq

    parameters:
      testTask:
        type: string
      prefixTestTask:
        default: false
        type: boolean

    steps:
      - checkout

      - attach_workspace:
          at: .

      - restore_cache:
          <<: *cache_keys

      - run:
          name: Run Tests
          command: >-
            GRADLE_OPTS="-Dota.forkedMaxHeapSize=4G -Dota.forkedMinHeapSize=64M"
            ./gradlew <<# parameters.prefixTestTask>>testJava<</ parameters.prefixTestTask>><< parameters.testTask >>
            << pipeline.parameters.gradle_flags >>
            --max-workers=6

      - run:
          name: Collect Reports
          when: on_fail
          command: .circleci/collect_reports.sh

      - store_artifacts:
          path: ./reports

      - run:
          name: Collect Test Results
          when: always
          command: .circleci/collect_results.sh

      - store_test_results:
          path: ./results

  muzzle:
    <<: *defaults
    parallelism: 8
    steps:
      - checkout

      # We are not running with a cache here because it gets very big and ends up taking more time
      # restoring/saving than the actual increase in time it takes just downloading the artifacts each time.

      - run:
          name: Gather muzzle tasks
          command: SKIP_BUILDSCAN="true" ./gradlew writeMuzzleTasksToFile --stacktrace --no-daemon
      - run:
          name: Verify Muzzle
          command: >-
            SKIP_BUILDSCAN="true"
            GRADLE_OPTS="-Dorg.gradle.jvmargs='-Xmx4G -Xms64M' -Dota.forkedMaxHeapSize=4G -Dota.forkedMinHeapSize=64M"
            ./gradlew `circleci tests split workspace/build/muzzleTasks | xargs` --parallel --stacktrace --no-daemon --max-workers=16

  publish: &publish
    <<: *defaults
    steps:
      - checkout

      - attach_workspace:
          at: .

      - restore_cache:
          <<: *cache_keys

      - deploy:
          name: Publish master to Artifactory
          command: |
            ./gradlew \
              -PbuildInfo.build.number=${CIRCLE_BUILD_NUM} \
              snapshot --max-workers=1 --build-cache --stacktrace --no-daemon

  publish_master:
    <<: *publish

  release:
    <<: *defaults
    steps:
      - checkout

      - attach_workspace:
          at: .

      - restore_cache:
          <<: *cache_keys

      - run:
          command: ./gradlew -Prelease.useLastTag=true final
          no_output_timeout: 6h

  patch_release:
    <<: *defaults
    steps:
      - checkout
      - run: |
          if [[ $(git tag --points-at HEAD | grep "^v") ]]; then
              echo "Don't make patch release on commit which already has version tag"
              circleci-agent step halt
          fi

      - attach_workspace:
          at: .

      - restore_cache:
          <<: *cache_keys

      - run: ./gradlew -Prelease.scope=patch final


workflows:
  build_test_deploy:
    jobs:
      - build:
          filters:
            tags:
              only: /.*/

      - default_test_job:
          requires:
            - build
          prefixTestTask: true
          name: test_<< matrix.testTask >>
          matrix:
            parameters:
              testTask: ["8"]
          filters:
            tags:
              only: /.*/

      - default_test_job:
          requires:
            - build
          name: test_latest
          testTask: latestDepTest
          filters:
            tags:
              only: /.*/

      - muzzle:
          requires:
            - build
          filters:
            branches:
              ignore: master

      - publish_master:
          requires:
            - test_8
            - test_latest
            - muzzle
          filters:
            branches:
              only: master
            tags:
              ignore: /.*/

  nightly_snapshot:
    triggers:
      - schedule:
          cron: "0 0 * * *"
          filters:
            branches:
              only:
                - depends-on-otel-java-snapshot
    jobs:
      - default_test_job:
          name: test_11
          testTask: test jacocoTestReport jacocoTestCoverageVerification

  release:
    jobs:
      - release:
          filters:
            branches:
              ignore: /.*/
            tags:
              # Only for major and minor releases
              only: /^v.*\.0$/

  patch_release:
    jobs:
      - build:
          filters:
            branches:
              only: /\d+\.\d+\.x$/

      - default_test_job:
          requires:
            - build
          prefixTestTask: true
          name: test_<< matrix.testTask >>
          matrix:
            parameters:
              testTask: ["7", "8", "14"]
          filters:
            branches:
              only: /\d+\.\d+\.x$/

      - default_test_job:
          requires:
            - build
          name: test_11
          testTask: test jacocoTestReport jacocoTestCoverageVerification
          filters:
            branches:
              only: /\d+\.\d+\.x$/

      - default_test_job:
          requires:
            - build
          name: test_latest
          testTask: latestDepTest
          filters:
            branches:
              only: /\d+\.\d+\.x$/

      - muzzle:
          requires:
            - build
          filters:
            branches:
              only: /\d+\.\d+\.x$/

      - patch_release:
          requires:
            - test_7
            - test_8
            - test_11
            - test_14
            - test_latest
            - muzzle
          filters:
            branches:
              only: /\d+\.\d+\.x$/