# CI/CD Pipeline
# dev branch -> staging
# master branch -> internal (Custom Downloads)
# master branch -> live

# Define stages for the CI/CD pipeline
stages:
  - test
  - test_build_static
  - build_docker_images
  - deploy

variables:
  CONTAINER_IMAGE: ${CI_REGISTRY_IMAGE}:nginx-${CI_COMMIT_SHORT_SHA}
  CONTAINER_NODE_IMAGE: ${CI_REGISTRY_IMAGE}:node-${CI_COMMIT_SHORT_SHA}
  KUBE_CONTEXT: ens-dev-ctx
  DEPLOYENV: dev
  ENVIRONMENT: production
  DOCKER_TLS_CERTDIR: ""

# Template to build static assets
.build-static:
  stage: test_build_static
  image: node:14.17.0

  before_script:
  - cd src/ensembl
  - npm install --global npm@7.12.1
  - npm ci

  script:
  - npm run test
  - npm run build

  artifacts:
    name: build_artifacts
    paths:
    - src/ensembl/dist/
    - src/ensembl/package.json
    - src/ensembl/package-lock.json

# Template to build nginx docker image for WP k8s cluster
# WP k8s cluster uses ingress
.build-nginx:
  image: docker

  services:
    - docker:dind

  stage: build_docker_images

  before_script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY

  script:
    - apk update && apk add git
    - git clone --depth 1 https://github.com/Ensembl/ensembl-2020-static-assests.git
    - git clone https://gitlab.ebi.ac.uk/kamal/ensembl-client-nginx.git
    - git -C ensembl-client-nginx checkout migration/ssr
    - docker build -t ${CONTAINER_IMAGE} -f ensembl-client-nginx/Dockerfile --no-cache .
    - docker push ${CONTAINER_IMAGE}
    - docker rmi ${CONTAINER_IMAGE}
    - docker logout $CI_REGISTRY

# Template to build node docker image for WP k8s cluster
# WP k8s cluster uses ingress
.build-node:
  image: docker

  services:
    - docker:dind

  stage: build_docker_images

  before_script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY

  script:
    - docker build -t ${CONTAINER_NODE_IMAGE} -f src/ensembl/Dockerfile.node --no-cache .
    - docker push ${CONTAINER_NODE_IMAGE}
    - docker rmi ${CONTAINER_NODE_IMAGE}
    - docker logout $CI_REGISTRY

# Template to deploy to WP k8s cluster
.deploy:
  stage: deploy
  image: dockerhub.ebi.ac.uk/ensembl-web/deploy-tools:0.1
  script:
  - git clone https://gitlab.ebi.ac.uk/ensembl-web/ensembl-k8s-manifests.git
  - git -C ensembl-k8s-manifests/ checkout wp-k8s
  - sed -i "s#<DOCKER_IMAGE>#${CONTAINER_IMAGE}#g" ensembl-k8s-manifests/ensembl_client_nginx_deployment.yaml
  - sed -i "s#<DOCKER_IMAGE>#${CONTAINER_NODE_IMAGE}#g" ensembl-k8s-manifests/ensembl_client_node_deployment.yaml
  - kubectl apply -f ensembl-k8s-manifests/ensembl_client_nginx_deployment.yaml
  - kubectl apply -f ensembl-k8s-manifests/ensembl_client_node_deployment.yaml

# Template to deploy review-app to WP k8s cluster
.deploy-review:
  stage: deploy
  image: dockerhub.ebi.ac.uk/ensembl-web/deploy-tools:0.1
  script:
  - git clone https://gitlab.ebi.ac.uk/ensembl-web/ensembl-k8s-manifests.git
  - git -C ensembl-k8s-manifests/ checkout wp-k8s-review
  - sed -i "s#<DEPLOYMENT_ENV>#${CI_COMMIT_REF_SLUG}#g" ensembl-k8s-manifests/ensembl_client_nginx_deployment.yaml
  - sed -i "s#<DOCKER_IMAGE>#${CONTAINER_IMAGE}#g" ensembl-k8s-manifests/ensembl_client_nginx_deployment.yaml
  - sed -i "s#<DEPLOYMENT_ENV>#${CI_COMMIT_REF_SLUG}#g" ensembl-k8s-manifests/ensembl_client_node_deployment.yaml
  - sed -i "s#<DOCKER_IMAGE>#${CONTAINER_NODE_IMAGE}#g" ensembl-k8s-manifests/ensembl_client_node_deployment.yaml
  - kubectl apply -f ensembl-k8s-manifests/ensembl_client_nginx_deployment.yaml
  - kubectl apply -f ensembl-k8s-manifests/ensembl_client_node_deployment.yaml

# Template for stopping review app - Do cleanup here 
.stop-review:
  stage: deploy
  image: dockerhub.ebi.ac.uk/ensembl-web/deploy-tools:0.1
  variables:
    GIT_STRATEGY: none
  when: manual
  script:
  - kubectl delete ingress ensembl-client-${CI_COMMIT_REF_SLUG}-ingress
  - kubectl delete svc ensembl-client-${CI_COMMIT_REF_SLUG}-svc
  - kubectl delete deploy ensembl-client-${CI_COMMIT_REF_SLUG}-deployment

Test:
  image: node:14.16.0
  stage: test

  before_script:
  - cd src/ensembl
  - npm ci

  script:
  - npm run check-types
  - npm run test

  only:
  - /^nodeploy\/.*$/
  except:
  - dev
  - master

# Job to build static asset for staging and live environment
# dev branch -> Staging
# master branch -> Live
Test_N_Build:
  extends: .build-static

  variables:
    GOOGLE_ANALYTICS_KEY: ${GA_KEY}
    ENVIRONMENT: production
    API_HOST: ""

  only:
  - dev
  - master

# Job to build static asset for internal environment
# master branch -> Internal
Test_N_Build:internal:
  extends: .build-static

  variables:
    GOOGLE_ANALYTICS_KEY: ${GA_KEY}
    ENVIRONMENT: internal
    API_HOST: ""

  only:
  - master

Test_N_Build:review:
  extends: .build-static
  variables:
    ENVIRONMENT: development
    API_HOST: ""

  except:
  - dev
  - master
  - /^nodeploy\/.*$/

# Job to build nginx docker image for staging environment
# dev branch -> Staging
Nginx:Staging:
  extends: .build-nginx
  only:
  - dev
  needs:
    - Test_N_Build

# Job to build node docker image for staging environment
# dev branch -> Staging
Node:Staging:
  extends: .build-node
  only:
  - dev
  needs:
    - Test_N_Build

# Job to build nginx docker image for live environment
# master branch -> Live
Nginx:Live:
  extends: .build-nginx
  variables:
    CONTAINER_IMAGE: ${CI_REGISTRY_IMAGE}:nginx-${CI_COMMIT_SHORT_SHA}-prod
  only:
  - master
  needs:
    - Test_N_Build

# Job to build node docker image for live environment
# master branch -> Live
Node:Live:
  extends: .build-node
  variables:
    CONTAINER_NODE_IMAGE: ${CI_REGISTRY_IMAGE}:node-${CI_COMMIT_SHORT_SHA}-prod
  only:
  - master
  needs:
    - Test_N_Build

# Job to build nginx docker image for internal environment at WP
# master branch -> internal
Nginx:Internal:
  extends: .build-nginx
  variables:
    DEPLOYENV: internal
    CONTAINER_IMAGE: ${CI_REGISTRY_IMAGE}:nginx-${CI_COMMIT_SHORT_SHA}-internal
  only:
  - master
  needs:
    - Test_N_Build:internal

# Job to build node docker image for internal environment at WP
# master branch -> internal
Node:Internal:
  extends: .build-node
  variables:
    DEPLOYENV: internal
    CONTAINER_NODE_IMAGE: ${CI_REGISTRY_IMAGE}:node-${CI_COMMIT_SHORT_SHA}-internal
  only:
  - master
  needs:
    - Test_N_Build:internal

# Job to build nginx docker image for review environment at WP
# all other branch -> dev
Nginx:review:
  extends: .build-nginx
  variables:
    DEPLOYENV: dev
    CONTAINER_IMAGE: ${CI_REGISTRY_IMAGE}:nginx-${CI_COMMIT_SHORT_SHA}-${CI_COMMIT_REF_SLUG}
  except:
  - dev
  - master
  - /^nodeploy\/.*$/

  needs:
    - Test_N_Build:review

# Job to build node docker image for review environment at WP
# all other branch -> dev
Node:review:
  extends: .build-node
  variables:
    DEPLOYENV: dev
    CONTAINER_NODE_IMAGE: ${CI_REGISTRY_IMAGE}:node-${CI_COMMIT_SHORT_SHA}-${CI_COMMIT_REF_SLUG}
  except:
  - dev
  - master
  - /^nodeploy\/.*$/

  needs:
    - Test_N_Build:review

# Job to deploy to staging environment (WP-HX k8s cluster)
Staging:HX:
  extends: .deploy
  environment:
    name : wp-hx-staging
  only:
  - dev
  needs:
    - Test_N_Build
    - Nginx:Staging
    - Node:Staging

# Job to deploy to staging environment (WP-HL k8s cluster)
Staging:HL:
  extends: .deploy
  environment:
    name : wp-hh-staging
  only:
  - dev
  needs:
    - Test_N_Build
    - Nginx:Staging
    - Node:Staging

# Job to deploy to live environment (WP-HX k8s cluster)
Live:HX:
  extends: .deploy
  variables:
    CONTAINER_IMAGE: ${CI_REGISTRY_IMAGE}:nginx-${CI_COMMIT_SHORT_SHA}-prod
    CONTAINER_NODE_IMAGE: ${CI_REGISTRY_IMAGE}:node-${CI_COMMIT_SHORT_SHA}-prod
  environment:
    name : wp-hx-live
  only:
  - master
  needs:
    - Test_N_Build
    - Nginx:Live
    - Node:Live

# Job to deploy to live environment (WP-HL k8s cluster)
Live:HL:
  extends: .deploy
  variables:
    CONTAINER_IMAGE: ${CI_REGISTRY_IMAGE}:nginx-${CI_COMMIT_SHORT_SHA}-prod
    CONTAINER_NODE_IMAGE: ${CI_REGISTRY_IMAGE}:node-${CI_COMMIT_SHORT_SHA}-prod
  environment:
    name : wp-hh-live
  only:
  - master
  needs:
    - Test_N_Build
    - Nginx:Live
    - Node:Live

# Job to deploy to internal environment (WP-HX k8s cluster)
Internal:HX:
  extends: .deploy
  variables:
    CONTAINER_IMAGE: ${CI_REGISTRY_IMAGE}:nginx-${CI_COMMIT_SHORT_SHA}-internal
    CONTAINER_NODE_IMAGE: ${CI_REGISTRY_IMAGE}:node-${CI_COMMIT_SHORT_SHA}-internal
  environment:
    name : wp-hx-internal
  only:
  - master
  needs:
    - Test_N_Build:internal
    - Nginx:Internal
    - Node:Internal

# Job to deploy to internal environment (WP-HL k8s cluster)
Internal:HL:
  extends: .deploy
  variables:
    CONTAINER_IMAGE: ${CI_REGISTRY_IMAGE}:nginx-${CI_COMMIT_SHORT_SHA}-internal
    CONTAINER_NODE_IMAGE: ${CI_REGISTRY_IMAGE}:node-${CI_COMMIT_SHORT_SHA}-internal
  environment:
    name : wp-hh-internal
  only:
  - master
  needs:
    - Test_N_Build:internal
    - Nginx:Internal
    - Node:Internal

Review:HX:
  extends: .deploy-review
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    url: http://$CI_COMMIT_REF_SLUG.review.ensembl.org
    on_stop: stop_review
    kubernetes:
      namespace: ensembl-dev
  except:
  - dev
  - master
  - /^nodeploy\/.*$/
  needs:
    - Test_N_Build:review
    - Nginx:review
    - Node:review

stop_review:
  extends: .stop-review
  environment:
    name: review/$CI_COMMIT_REF_SLUG
    action: stop
    kubernetes:
      namespace: ensembl-dev
  except:
  - dev
  - master
  - /^nodeploy\/.*$/