# Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Build, tag and push the Docker image to the GitLab registry
build service:
  variables:
    IMAGE_NAME: 'service' # 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 .
    - docker tag "$IMAGE_NAME:$IMAGE_TAG" "$CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG"
    - docker push "$CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG"
  after_script:
    - docker images --filter="dangling=true" --quiet | xargs -r docker rmi
  rules:
    - if: '$CI_PIPELINE_SOURCE == "merge_request_event" && ($CI_MERGE_REQUEST_TARGET_BRANCH_NAME == "develop" || $CI_MERGE_REQUEST_TARGET_BRANCH_NAME == $CI_DEFAULT_BRANCH)'
    - if: '$CI_PIPELINE_SOURCE == "push" && $CI_COMMIT_BRANCH == "develop"'
    - changes:
      - src/common/**/*.py
      - proto/*.proto
      - src/$IMAGE_NAME/**/*.{py,in,yml}
      - src/$IMAGE_NAME/Dockerfile
      - src/$IMAGE_NAME/tests/*.py
      - manifests/${IMAGE_NAME}service.yaml
      - .gitlab-ci.yml

# Apply unit test to the component
unit test service:
  variables:
    IMAGE_NAME: 'service' # name of the microservice
    IMAGE_TAG: 'latest' # tag of the container image (production, development, etc)
  stage: unit_test
  needs:
    - build service
  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
    - if docker container ls | grep $IMAGE_NAME; then docker rm -f $IMAGE_NAME; else echo "$IMAGE_NAME image is not in the system"; fi
  script:
    - docker pull "$CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG"
    - docker run --name $IMAGE_NAME -d -p 3030:3030 -v "$PWD/src/$IMAGE_NAME/tests:/opt/results" --network=teraflowbridge $CI_REGISTRY_IMAGE/$IMAGE_NAME:$IMAGE_TAG
    - sleep 5
    - docker ps -a
    - docker logs $IMAGE_NAME
    - docker exec -i $IMAGE_NAME bash -c "coverage run -m pytest --log-level=INFO --verbose $IMAGE_NAME/tests/test_unitary.py --junitxml=/opt/results/${IMAGE_NAME}_report.xml"
    - docker exec -i $IMAGE_NAME bash -c "coverage report --include='${IMAGE_NAME}/*' --show-missing"
  coverage: '/TOTAL\s+\d+\s+\d+\s+(\d+%)/'
  after_script:
    - docker rm -f $IMAGE_NAME
    - docker network rm teraflowbridge
  rules:
    - if: '$CI_PIPELINE_SOURCE == "merge_request_event" && ($CI_MERGE_REQUEST_TARGET_BRANCH_NAME == "develop" || $CI_MERGE_REQUEST_TARGET_BRANCH_NAME == $CI_DEFAULT_BRANCH)'
    - if: '$CI_PIPELINE_SOURCE == "push" && $CI_COMMIT_BRANCH == "develop"'
    - changes:
      - src/common/**/*.py
      - proto/*.proto
      - src/$IMAGE_NAME/**/*.{py,in,yml}
      - src/$IMAGE_NAME/Dockerfile
      - src/$IMAGE_NAME/tests/*.py
      - src/$IMAGE_NAME/tests/Dockerfile
      - manifests/${IMAGE_NAME}service.yaml
      - .gitlab-ci.yml
  artifacts:
      when: always
      reports:
        junit: src/$IMAGE_NAME/tests/${IMAGE_NAME}_report.xml

# Deployment of the service in Kubernetes Cluster
deploy service:
  variables:
    IMAGE_NAME: 'service' # name of the microservice
    IMAGE_TAG: 'latest' # tag of the container image (production, development, etc)
  stage: deploy
  needs:
    - unit test service
    # - integ_test execute
  script:
    - 'sed -i "s/$IMAGE_NAME:.*/$IMAGE_NAME:$IMAGE_TAG/" manifests/${IMAGE_NAME}service.yaml'
    - kubectl version
    - kubectl get all
    - kubectl apply -f "manifests/${IMAGE_NAME}service.yaml"
    - kubectl get all
  # environment:
  #   name: test
  #   url: https://example.com
  #   kubernetes:
  #     namespace: test
  rules:
    - if: '$CI_PIPELINE_SOURCE == "merge_request_event" && ($CI_MERGE_REQUEST_TARGET_BRANCH_NAME == "develop" || $CI_MERGE_REQUEST_TARGET_BRANCH_NAME == $CI_DEFAULT_BRANCH)'
      when: manual    
    - if: '$CI_PIPELINE_SOURCE == "push" && $CI_COMMIT_BRANCH == "develop"'
      when: manual
