defaults: &defaults
  working_directory: ~/repo
  environment:
    MAVEN_OPTS: -server -showversion -XX:+PrintCommandLineFlags -XX:+UseCodeCacheFlushing -Xms1024M -Xmx2048M -XX:+CMSClassUnloadingEnabled -XX:-OmitStackTraceInFastThrow -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:+CMSConcurrentMTEnabled -XX:+CMSParallelRemarkEnabled -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70 -XX:+ScavengeBeforeFullGC -XX:+CMSScavengeBeforeRemark -XX:NewSize=600m -XX:MaxNewSize=900m -XX:SurvivorRatio=10 -XX:+DisableExplicitGC -Djava.security.egd=file:/dev/./urandom

version: 2
jobs:
  build:
    <<: *defaults
    docker:
      - image: killbill/kbbuild:0.4.0
    steps:
      - checkout
      - restore_cache:
          key: v1-dependencies-{{ .Branch }}-{{ checksum "pom.xml" }}
      - run:
          name: Setup dependencies
          command: |
            if [ "${CIRCLE_BRANCH}" != "master" ]; then
              for i in killbill-oss-parent killbill-api killbill-plugin-api killbill-commons killbill-platform; do
                if [ -n "$(git ls-remote --heads https://github.com/killbill/$i.git ${CIRCLE_BRANCH})" ]; then
                  echo "*** Setting up $i"
                  mkdir -p /home/killbill/$i
                  git clone https://github.com/killbill/$i.git /home/killbill/$i
                  pushd /home/killbill/$i
                  git checkout -b ${CIRCLE_BRANCH} origin/${CIRCLE_BRANCH}
                  mvn clean install -DskipTests=true
                  popd
                fi
              done
            fi
      - run: mvn -DskipTests=true clean install dependency:go-offline
      - save_cache:
          paths:
            - ~/.m2
          key: v1-dependencies-{{ .Branch }}-{{ checksum "pom.xml" }}

  test-h2:
    <<: *defaults
    docker:
      - image: killbill/kbbuild:0.4.0
    steps:
      - checkout
      - restore_cache:
          key: v1-dependencies-{{ .Branch }}-{{ checksum "pom.xml" }}
      - run: mvn clean install -Ptravis
      - run:
          name: Save test results
          command: |
            mkdir -p ~/junit/
            find . -type f -regex ".*/target/surefire-reports/junitreports/.*xml" -exec cp {} ~/junit/ \;
          when: always
      - store_test_results:
          path: ~/junit
      - store_artifacts:
          path: ~/junit
  test-mysql:
    <<: *defaults
    docker:
      - image: killbill/kbbuild:0.4.0
      - image: killbill/mariadb:0.19
        environment:
        - MYSQL_ROOT_PASSWORD=root
    steps:
      - checkout
      - restore_cache:
          key: v1-dependencies-{{ .Branch }}-{{ checksum "pom.xml" }}
      - run:
          name: Setup latest DDL
          command: |
            set +e
            count=0
            until mysqladmin ping -h 127.0.0.1 -u root --password=root --silent; do
              if [[ "$count" == "25" ]]; then
                exit 1
              fi
              (( count++ ))

              printf '.'
              sleep 5
            done

            set -e
            ./bin/db-helper -a create --driver mysql -u root -p root -t yes -h 127.0.0.1
      - run: mvn clean install -Plocaltest-mysql
      - run:
          name: Save test results
          command: |
            mkdir -p ~/junit/
            find . -type f -regex ".*/target/surefire-reports/junitreports/.*xml" -exec cp {} ~/junit/ \;
          when: always
      - store_test_results:
          path: ~/junit
      - store_artifacts:
          path: ~/junit
  test-postgresql:
    <<: *defaults
    docker:
      - image: killbill/kbbuild:0.4.0
      - image: killbill/postgresql:0.19
        environment:
        - POSTGRES_PASSWORD=postgres
    steps:
      - checkout
      - restore_cache:
          key: v1-dependencies-{{ .Branch }}-{{ checksum "pom.xml" }}
      - run:
          name: Setup latest DDL
          command: ./bin/db-helper -a create --driver postgres -u postgres -p postgres -t yes
      - run: mvn clean install -Plocaltest-postgresql
      - run:
          name: Save test results
          command: |
            mkdir -p ~/junit/
            find . -type f -regex ".*/target/surefire-reports/junitreports/.*xml" -exec cp {} ~/junit/ \;
          when: always
      - store_test_results:
          path: ~/junit
      - store_artifacts:
          path: ~/junit

  integration-tests:
    <<: *defaults
    docker:
      - image: killbill/kbbuild:0.4.0
      - image: killbill/mariadb:0.19
        environment:
        - MYSQL_ROOT_PASSWORD=root
    steps:
      - checkout
      - restore_cache:
          key: v1-dependencies-{{ .Branch }}-{{ checksum "pom.xml" }}
      - run:
          name: Setup latest DDL
          command: ./bin/db-helper -a create --driver mysql -u root -p root -t yes -h 127.0.0.1
      - run:
          name: Run integration tests
          command: |
            set +e

            mvn clean install -DskipTests=true
            mkdir -p /tmp/test-results
            nohup ./bin/start-server -s > /tmp/test-results/killbill.log 2>&1 &

            # Get rid of message "Warning: Permanently added the RSA host key for IP address..." further down
            ssh git@github.com || true

            mkdir -p /home/killbill/killbill-integration-tests
            git clone https://github.com/killbill/killbill-integration-tests.git /home/killbill/killbill-integration-tests
            pushd /home/killbill/killbill-integration-tests
            #if [ "${CIRCLE_BRANCH}" != "master" ]; then
            #  if [ -n "$(git ls-remote --heads https://github.com/killbill/killbill-integration-tests.git ${CIRCLE_BRANCH})" ]; then
            #    echo "Switching to branch ${CIRCLE_BRANCH}"
            #    git checkout -b ${CIRCLE_BRANCH} origin/${CIRCLE_BRANCH}
            #  else
            #    echo "killbill-integration-tests doesn't have a branch ${CIRCLE_BRANCH}, staying on master"
            #  fi
            #fi
            # For now, always expect work-for-release-0.19.x
            git checkout -b work-for-release-0.19.x origin/work-for-release-0.19.x

            source /usr/share/rvm/scripts/rvm
            rvm use ruby-2.4.2
            bundle install --jobs=4 --retry=3 --path=vendor/bundle

            count=0
            until $(curl --output /dev/null --silent --fail http://127.0.0.1:8080/1.0/healthcheck); do
              if [[ "$count" == "25" ]]; then
                exit 1
              fi
              (( count++ ))

              printf '.'
              sleep 5
            done

            set -e
            bundle exec rake ci:core | tee /tmp/test-results/test.txt 2>&1
      - store_test_results:
          path: test/reports/
      - store_artifacts:
          path: /tmp/test-results

workflows:
  version: 2
  build-and-test:
    jobs:
      - build
      - test-h2:
          requires:
            - build
      - test-mysql:
          requires:
            - build
      - test-postgresql:
          requires:
            - build
      - integration-tests:
          requires:
            - test-mysql
