# Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/)
#
# 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 Docker registry
build dlt:
  variables:
    IMAGE_NAME: 'dlt' # 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" $CI_REGISTRY
  script:
    # This first build tags the builder resulting image to prevent being removed by dangling image removal command
    - docker build -t "${IMAGE_NAME}-gateway:$IMAGE_TAG" -f ./src/$IMAGE_NAME/gateway/Dockerfile .
    - docker build -t "${IMAGE_NAME}-connector:$IMAGE_TAG" -f ./src/$IMAGE_NAME/connector/Dockerfile .
    - docker tag "${IMAGE_NAME}-gateway:$IMAGE_TAG" "$CI_REGISTRY_IMAGE/${IMAGE_NAME}-gateway:$IMAGE_TAG"
    - docker tag "${IMAGE_NAME}-connector:$IMAGE_TAG" "$CI_REGISTRY_IMAGE/${IMAGE_NAME}-connector:$IMAGE_TAG"
    - docker push "$CI_REGISTRY_IMAGE/${IMAGE_NAME}-gateway:$IMAGE_TAG"
    - docker push "$CI_REGISTRY_IMAGE/${IMAGE_NAME}-connector:$IMAGE_TAG"
  after_script:
    - docker images --filter="dangling=true" --quiet | xargs -r docker rmi
  rules:
    - if: '$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/.gitlab-ci.yml
      - src/$IMAGE_NAME/gateway/**/*.{kt,kts,proto,pem,json}
      - src/$IMAGE_NAME/gateway/build.gradle.kts
      - src/$IMAGE_NAME/gateway/Dockerfile
      - src/$IMAGE_NAME/gateway/gradle.properties
      - src/$IMAGE_NAME/gateway/gradlew
      - src/$IMAGE_NAME/gateway/gradlew.bat
      - src/$IMAGE_NAME/gateway/settings.gradle.kts
      - src/$IMAGE_NAME/connector/**/*.{py,in,yml}
      - src/$IMAGE_NAME/connector/Dockerfile
      - src/$IMAGE_NAME/connector/tests/*.py
      - manifests/${IMAGE_NAME}service.yaml
      - .gitlab-ci.yml

# Apply unit test to the component
unit test dlt-gateway:
  variables:
    IMAGE_NAME: 'dlt' # name of the microservice
    IMAGE_TAG: 'latest' # tag of the container image (production, development, etc)
  stage: unit_test
  needs:
    - build dlt
  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}-connector; then docker rm -f ${IMAGE_NAME}-connector; else echo "${IMAGE_NAME}-connector image is not in the system"; fi
    - if docker container ls | grep ${IMAGE_NAME}-gateway; then docker rm -f ${IMAGE_NAME}-gateway; else echo "${IMAGE_NAME}-gateway image is not in the system"; fi
  script:
    - docker pull "$CI_REGISTRY_IMAGE/${IMAGE_NAME}-gateway:$IMAGE_TAG"
    #- docker run --name ${IMAGE_NAME}-gateway -d -p 50051:50051 -v "$PWD/src/${IMAGE_NAME}/gateway/tests:/opt/results" --network=teraflowbridge ${IMAGE_NAME}-gateway:${IMAGE_TAG}
    - docker run --name ${IMAGE_NAME}-gateway -d -p 50051:50051 --network=teraflowbridge ${IMAGE_NAME}-gateway:${IMAGE_TAG}
    - sleep 5
    - docker ps -a
    - docker logs ${IMAGE_NAME}-gateway
    #- docker exec -i ${IMAGE_NAME}-gateway bash -c "curl -0 -v -X POST -H 'Expect:' -H 'Content-Type:\ application/json' http://127.0.0.1:8081/dlt/api/v1/compRoute -d @/var/teraflow/tests/pc-req.json"
    #- docker kill --signal=SIGUSR1 dlt-gateway
    #- docker exec -i ${IMAGE_NAME}-gateway bash -c "gcovr"
  #coverage: '/TOTAL\s+\d+\s+\d+\s+(\d+%)/'
  after_script:
    - docker logs ${IMAGE_NAME}-gateway
    - docker rm -f ${IMAGE_NAME}-gateway
    - docker network rm teraflowbridge
  rules:
    - if: '$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/.gitlab-ci.yml
      - src/$IMAGE_NAME/gateway/**/*.{kt,kts,proto,pem,json}
      - src/$IMAGE_NAME/gateway/build.gradle.kts
      - src/$IMAGE_NAME/gateway/Dockerfile
      - src/$IMAGE_NAME/gateway/gradle.properties
      - src/$IMAGE_NAME/gateway/gradlew
      - src/$IMAGE_NAME/gateway/gradlew.bat
      - src/$IMAGE_NAME/gateway/settings.gradle.kts
      - manifests/${IMAGE_NAME}service.yaml
      - .gitlab-ci.yml
  #artifacts:
  #    when: always
  #    reports:
  #      junit: src/$IMAGE_NAME/gateway/tests/${IMAGE_NAME}-gateway_report.xml

# Apply unit test to the component
unit test dlt-connector:
  variables:
    IMAGE_NAME: 'dlt' # name of the microservice
    IMAGE_TAG: 'latest' # tag of the container image (production, development, etc)
  stage: unit_test
  needs:
    - build dlt
  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 --driver=bridge teraflowbridge; fi
    - if docker container ls | grep ${IMAGE_NAME}-connector; then docker rm -f ${IMAGE_NAME}-connector; else echo "${IMAGE_NAME}-connector image is not in the system"; fi
    - if docker container ls | grep ${IMAGE_NAME}-gateway; then docker rm -f ${IMAGE_NAME}-gateway; else echo "${IMAGE_NAME}-gateway image is not in the system"; fi
  script:
    - docker pull "$CI_REGISTRY_IMAGE/${IMAGE_NAME}-connector:$IMAGE_TAG"
    - docker pull "$CI_REGISTRY_IMAGE/${IMAGE_NAME}-gateway:$IMAGE_TAG"
    - >
      docker run --name ${IMAGE_NAME}-gateway -d -p 50051:50051 --network=teraflowbridge
      --volume "$PWD/src/${IMAGE_NAME}/gateway/tests:/opt/results"
      $CI_REGISTRY_IMAGE/${IMAGE_NAME}-gateway:$IMAGE_TAG
    - DLT_GATEWAY_HOST=$(docker inspect ${IMAGE_NAME}-gateway --format "{{.NetworkSettings.Networks.teraflowbridge.IPAddress}}")
    - echo $DLT_GATEWAY_HOST
    - sleep 1
    - >
      docker run --name ${IMAGE_NAME}-connector -d -p 8080:8080 --network=teraflowbridge
      --volume "$PWD/src/${IMAGE_NAME}/connector/tests:/opt/results"
      --env "DLT_GATEWAY_HOST=${DLT_GATEWAY_HOST}"
      --env "DLT_GATEWAY_PORT=50051"
      $CI_REGISTRY_IMAGE/${IMAGE_NAME}-connector:$IMAGE_TAG
    - sleep 5
    - docker ps -a
    - docker logs ${IMAGE_NAME}-connector
    - docker logs ${IMAGE_NAME}-gateway
    - >
      docker exec -i ${IMAGE_NAME}-connector bash -c
      "coverage run -m pytest --log-level=INFO --verbose $IMAGE_NAME/connector/tests/test_unitary.py --junitxml=/opt/results/${IMAGE_NAME}-connector_report.xml"
    - docker exec -i ${IMAGE_NAME}-connector bash -c "coverage report --include='${IMAGE_NAME}/*' --show-missing"
  coverage: '/TOTAL\s+\d+\s+\d+\s+(\d+%)/'
  after_script:
    - docker ps -a
    - docker logs ${IMAGE_NAME}-connector
    - docker logs ${IMAGE_NAME}-gateway
    - docker rm -f ${IMAGE_NAME}-connector
    - docker rm -f ${IMAGE_NAME}-gateway
    - docker network rm teraflowbridge
  rules:
    - if: '$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/.gitlab-ci.yml
      - src/$IMAGE_NAME/gateway/**/*.{kt,kts,proto,pem,json}
      - src/$IMAGE_NAME/gateway/build.gradle.kts
      - src/$IMAGE_NAME/gateway/Dockerfile
      - src/$IMAGE_NAME/gateway/gradle.properties
      - src/$IMAGE_NAME/gateway/gradlew
      - src/$IMAGE_NAME/gateway/gradlew.bat
      - src/$IMAGE_NAME/gateway/settings.gradle.kts
      - src/$IMAGE_NAME/connector/**/*.{py,in,yml}
      - src/$IMAGE_NAME/connector/Dockerfile
      - src/$IMAGE_NAME/connector/tests/*.py
      - manifests/${IMAGE_NAME}service.yaml
      - .gitlab-ci.yml
  artifacts:
      when: always
      reports:
        junit: src/$IMAGE_NAME/connector/tests/${IMAGE_NAME}-connector_report.xml

# Deployment of the service in Kubernetes Cluster
deploy dlt:
  variables:
    IMAGE_NAME: 'dlt' # name of the microservice
    IMAGE_TAG: 'latest' # tag of the container image (production, development, etc)
  stage: deploy
  needs:
    - unit test dlt-gateway
    - unit test dlt-connector
    # - 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
