version: 0.2

env:
  variables:
    FRAMEWORK_VERSION: '5.0.0'
    CPU_PY_VERSION: '2'
    CPU_INSTANCE_TYPE: 'ml.c5.xlarge'
    GPU_PY_VERSION: '3'
    GPU_INSTANCE_TYPE: 'ml.p2.xlarge'
    LOCAL_BASE_REPO: 'chainer-base'
    ECR_REPO: 'sagemaker-test'
    GITHUB_REPO: 'sagemaker-chainer-container'
    SETUP_FILE: 'setup_cmds.sh'
    SETUP_CMDS: '#!/bin/bash\npip install --upgrade pip\npip install -U -e .\npip install -U -e .[test]'


phases:
  pre_build:
    commands:
      - start-dockerd
      - ACCOUNT=$(aws --region $AWS_DEFAULT_REGION sts --endpoint-url https://sts.$AWS_DEFAULT_REGION.amazonaws.com get-caller-identity --query 'Account' --output text)
      - PREPROD_IMAGE="$ACCOUNT.dkr.ecr.$AWS_DEFAULT_REGION.amazonaws.com/$ECR_REPO"
      - PR_NUM=$(echo $CODEBUILD_SOURCE_VERSION | grep -o '[0-9]\+')
      - echo 'Pull request number:' $PR_NUM '. No value means this build is not from pull request.'

  build:
    commands:
      # install
      - pip3 install -U -e .
      - pip3 install -U -e .[test]

      # run unit tests
      - pytest test/unit

      # build cpu base image
      - base_dir="docker/base"
      - cpu_base_tag="$FRAMEWORK_VERSION-cpu-py$CPU_PY_VERSION"
      - cpu_dockerfile="Dockerfile.cpu"
      - cd $base_dir
      - docker build -t $LOCAL_BASE_REPO:$cpu_base_tag -f $cpu_dockerfile .
      - cd ../../

      # build gpu base image
      - gpu_base_tag="$FRAMEWORK_VERSION-gpu-py$GPU_PY_VERSION"
      - gpu_dockerfile="Dockerfile.gpu"
      - cd $base_dir
      - docker build -t $LOCAL_BASE_REPO:$gpu_base_tag -f $gpu_dockerfile .
      - cd ../../

      # create wheel
      - python3 setup.py bdist_wheel

      # build cpu image
      - build_dir="docker/$FRAMEWORK_VERSION/final/py$CPU_PY_VERSION"
      - build_id="$(echo $CODEBUILD_BUILD_ID | sed -e 's/:/-/g')"
      - CPU_TAG="$FRAMEWORK_VERSION-cpu-py$CPU_PY_VERSION-$build_id"
      - docker build -f "$build_dir/$cpu_dockerfile" --build-arg py_version=$CPU_PY_VERSION -t $PREPROD_IMAGE:$CPU_TAG .

      # build gpu image
      - build_dir="docker/$FRAMEWORK_VERSION/final/py$GPU_PY_VERSION"
      - GPU_TAG="$FRAMEWORK_VERSION-gpu-py$GPU_PY_VERSION-$build_id"
      - docker build -f "$build_dir/$gpu_dockerfile" --build-arg py_version=$GPU_PY_VERSION -t $PREPROD_IMAGE:$GPU_TAG .

      # push images to ecr
      -  $(aws ecr get-login --registry-ids $ACCOUNT --no-include-email --region $AWS_DEFAULT_REGION)
      -  docker push $PREPROD_IMAGE:$CPU_TAG
      -  docker push $PREPROD_IMAGE:$GPU_TAG

      # launch remote gpu instance
      - prefix='ml.'
      - instance_type=${GPU_INSTANCE_TYPE#"$prefix"}
      - create-key-pair
      - launch-ec2-instance --instance-type $instance_type --ami-name dlami-ubuntu

      # run cpu integration tests
      - test_cmd="pytest test/integration/local --region $AWS_DEFAULT_REGION --docker-base-name $PREPROD_IMAGE --tag $CPU_TAG --framework-version $FRAMEWORK_VERSION --py-version $CPU_PY_VERSION --processor cpu"
      - execute-command-if-has-matching-changes "$test_cmd" "test/" "src/*.py" "setup.py" "setup.cfg" "docker/*" "buildspec.yml"

      # run gpu integration tests
      - printf "$SETUP_CMDS" > $SETUP_FILE
      - pytest_cmd="pytest test/integration/local --region $AWS_DEFAULT_REGION --docker-base-name $PREPROD_IMAGE --tag $GPU_TAG --framework-version $FRAMEWORK_VERSION --py-version $GPU_PY_VERSION --processor gpu"
      - test_cmd="remote-test --github-repo $GITHUB_REPO --test-cmd \"$pytest_cmd\" --setup-file $SETUP_FILE --pr-number \"$PR_NUM\""
      - execute-command-if-has-matching-changes "$test_cmd" "test/" "src/*.py" "setup.py" "setup.cfg" "docker/*" "buildspec.yml"

      # run cpu sagemaker tests
      - test_cmd="pytest test/integration/sagemaker --region $AWS_DEFAULT_REGION --docker-base-name $ECR_REPO --aws-id $ACCOUNT --tag $CPU_TAG --instance-type $CPU_INSTANCE_TYPE"
      - execute-command-if-has-matching-changes "$test_cmd" "test/" "src/*.py" "setup.py" "setup.cfg" "docker/*" "buildspec.yml"

      # run gpu sagemaker tests
      - test_cmd="pytest test/integration/sagemaker --region $AWS_DEFAULT_REGION --docker-base-name $ECR_REPO --aws-id $ACCOUNT --tag $GPU_TAG --instance-type $GPU_INSTANCE_TYPE"
      - execute-command-if-has-matching-changes "$test_cmd" "test/" "src/*.py" "setup.py" "setup.cfg" "docker/*" "buildspec.yml"

    finally:
      # shut down remote gpu instance
      - cleanup-gpu-instances
      - cleanup-key-pairs

      # remove ecr image
      - aws ecr batch-delete-image --repository-name $ECR_REPO --region $AWS_DEFAULT_REGION --image-ids imageTag=$CPU_TAG
      - aws ecr batch-delete-image --repository-name $ECR_REPO --region $AWS_DEFAULT_REGION --image-ids imageTag=$GPU_TAG