.gitlab-ci.yml

default:
  tags:
    - docker

stages:
  - prepare
  - test
  - build
  - staging
  - deploy

variables:
  RULES_CHANGES_PATH: "**/*"
  CLIENT_CONTAINER_IMAGE: myhsd:${CI_COMMIT_SHORT_SHA}
  CLIENT_FULL_IMAGE_NAME: $DOCKER_REGISTRY/$REGISTRY_NAMESPACE/$CLIENT_CONTAINER_IMAGE
  SERVER_CONTAINER_IMAGE: myhsd-server:${CI_COMMIT_SHORT_SHA}
  SERVER_FULL_IMAGE_NAME: $DOCKER_REGISTRY/$REGISTRY_NAMESPACE/$SERVER_CONTAINER_IMAGE

.base-rules:
  rules:
    - if: $CI_MERGE_REQUEST_IID
      changes:
        - $RULES_CHANGES_PATH
    - if: $CI_COMMIT_TAG
    - if: $CI_COMMIT_BRANCH == $DEPLOY_BRANCH
      when: always
    - if: $CI_COMMIT_BRANCH == "develop"
      when: always
    - if: $CI_COMMIT_REF_NAME =~ /pipeline/ # Run pipeline if branch contains String "pipeline" to enable testing
      when: manual
      allow_failure: true

.server:
  variables:
    RULES_CHANGES_PATH: "server/**/*"

.client:
  variables:
    RULES_CHANGES_PATH: "client/**/*"

.staging-rules:
  rules:
    - if: $CI_COMMIT_BRANCH == "develop"
      when: manual
    - if: $CI_COMMIT_REF_NAME =~ /pipeline/ # Run pipeline if branch contains String "pipeline" to enable testing
      when: manual

.deploy-rules:
  rules:
    - if: $CI_COMMIT_BRANCH == $DEPLOY_BRANCH
    - if: $CI_COMMIT_REF_NAME =~ /pipeline/ # Run pipeline if branch contains String "pipeline" to enable testing
      when: manual

######################################### Prepare
client_node:
  stage: prepare
  extends:
    - .base-rules
    - .client
  image: node:lts-alpine
  needs: []
  script:
    - cd client
    - npm ci
  cache:
    untracked: true
    key: client-$CI_COMMIT_REF_SLUG
    paths:
      - client/node_modules

server_node:
  stage: prepare
  extends:
    - .base-rules
    - .server
  image: node:lts-alpine
  needs: []
  before_script:
    - apk add g++ make py3-pip
  script:
    - cd server
    - npm ci
  cache:
    untracked: true
    key: server-$CI_COMMIT_REF_SLUG
    paths:
      - server/node_modules

######################################### Test
client_lint:
  stage: test
  extends:
    - .base-rules
    - .client
  image: node:lts-alpine
  needs: ["client_node"]
  script:
    - cd client
    - npm run lint
    - npm run style:check
  cache:
    untracked: true
    key: client-$CI_COMMIT_REF_SLUG
    paths:
      - client/node_modules

server_lint:
  stage: test
  extends:
    - .base-rules
    - .server
  image: node:lts-alpine
  needs: ["server_node"]
  before_script:
    - apk add g++ make py3-pip
  script:
    - cd server
    - npm run lint
    - npm run style:check
  cache:
    untracked: true
    key: server-$CI_COMMIT_REF_SLUG
    paths:
      - server/node_modules
  
client_test:
  stage: test
  extends:
    - .base-rules
    - .client
  image: node:lts-alpine
  needs: ["client_node"]
  script:
    - cd client
    - npm run test:ci
  coverage: '/Lines {8}: \d+\.\d+%/'
  cache:
    untracked: true
    key: client-$CI_COMMIT_REF_SLUG
    paths:
      - client/node_modules
  artifacts:
    when: always
    paths:
      - client/junit.xml
    reports:
      junit: client/junit.xml
      coverage_report:
        coverage_format: cobertura
        path: client/coverage/cobertura-coverage.xml

server_test:
  stage: test
  extends:
    - .base-rules
    - .server
  image: node:lts-alpine
  needs: ["server_node"]
  before_script:
    - apk add g++ make py3-pip
  script:
    - cd server
    - npm run test:ci
  coverage: '/Lines {8}: \d+\.\d+%/'
  cache:
    untracked: true
    key: server-$CI_COMMIT_REF_SLUG
    paths:
      - server/node_modules
  artifacts:
    when: always
    paths:
      - server/junit.xml
    reports:
      junit: server/junit.xml
      coverage_report:
        coverage_format: cobertura
        path: server/coverage/cobertura-coverage.xml

######################################### Build
client_build:
  stage: build
  extends:
    - .base-rules
    - .client
  image: node:lts-alpine
  needs: ["client_node"]
  script:
    - cd client
    - CI=$WARNINGS_AS_ERRORS GENERATE_SOURCEMAP=false npm run build
  artifacts:
    expire_in: 1 week
    paths:
      - client/build
  cache:
    untracked: true
    key: client-$CI_COMMIT_REF_SLUG
    paths:
      - client/node_modules

server_build:
  stage: build
  extends:
    - .base-rules
    - .server
  image: node:lts-alpine
  needs: ["server_node"]
  before_script:
    - apk add g++ make py3-pip
  script:
    - cd server
    - CI=$WARNINGS_AS_ERRORS npm run build
  artifacts:
    expire_in: 1 week
    paths:
      - server/dist
  cache:
    untracked: true
    key: server-$CI_COMMIT_REF_SLUG
    paths:
      - server/node_modules  

client_build_docker:
  stage: build
  extends:
    - .deploy-rules
    - .staging-rules
    - .client
  image: docker:latest
  services:
    - docker:dind
  needs: ["client_build"]
  dependencies:
    - client_build
  variables:
    DOCKER_TLS_CERTDIR: "/certs"
  script:
    - echo "$DOCKER_PASSWORD" | docker login https://${DOCKER_REGISTRY} -u $DOCKER_USER --password-stdin
    - cd client
    - docker build -t $CLIENT_CONTAINER_IMAGE .
    - echo "$CLIENT_FULL_IMAGE_NAME"
    - docker tag $CLIENT_CONTAINER_IMAGE $CLIENT_FULL_IMAGE_NAME
    - docker tag $CLIENT_FULL_IMAGE_NAME $DOCKER_REGISTRY/$REGISTRY_NAMESPACE/myhsd:latest
    - docker push $CLIENT_FULL_IMAGE_NAME
    - docker push $DOCKER_REGISTRY/$REGISTRY_NAMESPACE/myhsd:latest

server_build_docker:
  stage: build
  extends:
    - .deploy-rules
    - .staging-rules
    - .server
  image: docker:latest
  services:
    - docker:dind
  needs: ["server_build"]
  dependencies:
    - server_build
  variables:
    DOCKER_TLS_CERTDIR: "/certs"
  script:
    - echo "$DOCKER_PASSWORD" | docker login https://${DOCKER_REGISTRY} -u $DOCKER_USER --password-stdin
    - cd server
    - docker build -t $SERVER_CONTAINER_IMAGE .
    - echo "$SERVER_FULL_IMAGE_NAME"
    - docker tag $SERVER_CONTAINER_IMAGE $SERVER_FULL_IMAGE_NAME
    - docker tag $SERVER_FULL_IMAGE_NAME $DOCKER_REGISTRY/$REGISTRY_NAMESPACE/myhsd-server:latest
    - docker push $SERVER_FULL_IMAGE_NAME
    - docker push $DOCKER_REGISTRY/$REGISTRY_NAMESPACE/myhsd-server:latest

######################################### Staging
client_staging:
  stage: staging
  extends:
    - .staging-rules
    - .client
  image: 
    name: bitnami/kubectl:latest
    entrypoint: [""]
  needs: ["client_build_docker"]
  environment:
    name: Staging
    url: $CLIENT_STAGING_URL
  script:
    - kubectl config get-contexts
    - kubectl config use-context "$KUBE_CONTEXT"
    - kubectl set image deployment/staging-myhsd staging-react=$CLIENT_FULL_IMAGE_NAME

server_staging:
  stage: staging
  extends:
    - .staging-rules
    - .server
  image: 
    name: bitnami/kubectl:latest
    entrypoint: [""]
  needs: ["server_build_docker"]
  environment:
    name: Staging
    url: $API_STAGING_URL
  script:
    - kubectl config get-contexts
    - kubectl config use-context "$KUBE_CONTEXT"
    - kubectl set image deployment/staging-myhsd-server staging-nest=$SERVER_FULL_IMAGE_NAME

######################################### Deploy
client_deploy:
  stage: deploy
  extends:
    - .deploy-rules
    - .client
  image: 
    name: bitnami/kubectl:latest
    entrypoint: [""]
  needs: ["client_build_docker"]
  environment:
    name: Production
    url: $CLIENT_URL
  script:
    - kubectl config get-contexts
    - kubectl config use-context "$KUBE_CONTEXT"
    - kubectl set image deployment/myhsd react=$CLIENT_FULL_IMAGE_NAME

server_deploy:
  stage: deploy
  extends:
    - .deploy-rules
    - .server
  image: 
    name: bitnami/kubectl:latest
    entrypoint: [""]
  needs: ["server_build_docker"]
  environment:
    name: Production
    url: $API_URL
  script:
    - kubectl config get-contexts
    - kubectl config use-context "$KUBE_CONTEXT"
    - kubectl set image deployment/myhsd-server nest=$SERVER_FULL_IMAGE_NAME