# Build, tag, and push the Docker images to the GitLab Docker registry
build compute:
  variables:
    IMAGE_NAME: 'compute' # name of the microservice
    IMAGE_NAME_TEST: 'compute-test' # name of the microservice
    IMAGE_TAG: 'latest' # tag of the container image (production, development, etc)
  stage: build
  before_script:
    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
  script:
    - docker build -t "$IMAGE_NAME:$IMAGE_TAG" -f ./src/$IMAGE_NAME/Dockerfile ./src/
    - docker tag "$IMAGE_NAME:$IMAGE_TAG" "$CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG"
    - docker push "$CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG"
  rules:
    - changes:
      - src/$IMAGE_NAME/**
      - .gitlab-ci.yml

# Pull, execute, and run unitary tests for the Docker image from the GitLab registry
unit_test compute:
  variables:
    IMAGE_NAME: 'compute' # name of the microservice
    IMAGE_NAME_TEST: 'compute-test' # name of the microservice
    IMAGE_TAG: 'latest' # tag of the container image (production, development, etc)
  stage: unit_test
  needs:
    - build compute
  before_script:
    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
    - if docker network list | grep teraflowbridge; then echo "teraflowbridge is already created"; else docker network create -d bridge teraflowbridge; fi  
  script:
    - docker pull "$CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG"
    - docker run -d -p 9090:9090 --name $IMAGE_NAME --network=teraflowbridge "$IMAGE_NAME:$IMAGE_TAG"
    - docker ps -a
    - sleep 5
    - docker ps -a
    - docker logs $IMAGE_NAME
    - docker exec -i $IMAGE_NAME bash -c "pytest --log-level=DEBUG --verbose $IMAGE_NAME/tests/test_unitary.py"
  after_script:
    - docker stop $IMAGE_NAME
    - docker rm $IMAGE_NAME
  rules:
    - changes:
      - src/$IMAGE_NAME/**
      - .gitlab-ci.yml

# Deployment of the service in Kubernetes Cluster
deploy compute:
  stage: deploy
  needs:
    - build compute
    - unit_test compute
    - dependencies all
    - integ_test execute
  script:
    - kubectl version
    - kubectl get all
    - kubectl apply -f "manifests/computeservice.yaml"
    - kubectl delete pods --selector app=computeservice
    - kubectl get all