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

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

variables:
  CONTAINER_IMAGE: ${CI_REGISTRY_IMAGE}:${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:12.13.0

  before_script:
  - cd src/ensembl
  - npm ci

  script:
  - npm run test
  - npm run build

  artifacts:
    name: static_assets
    paths:
    - src/ensembl/dist/

# Template to build nginx docker image for WP k8s cluster
# WP k8s cluster uses ingress
.build-nginx-wp:
  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/wp-hx/ingress
    - 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 nginx docker image for EHK k8s cluster
.build-nginx-ehk:
  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
  - sed -i "s/<DEPLOYMENT_ENV>/${DEPLOYENV}/g" ensembl-client-nginx/config/conf.d/local.conf
  - docker build -t ${CONTAINER_IMAGE} -f ensembl-client-nginx/Dockerfile --no-cache .
  - docker push ${CONTAINER_IMAGE}
  - docker rmi ${CONTAINER_IMAGE}
  - docker logout "$CI_REGISTRY"

  needs: ["Test_N_Build"]

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

# Template to deploy to EHK k8s cluster
.deploy-ehk:
  stage: deploy
  image: dockerhub.ebi.ac.uk/kamal/deploy-tools:0.1
  before_script:
  - export KUBECONFIG=/etc/deploy/config
  - mkdir -p /etc/deploy
  - echo ${EMBASSY_KUBECONFIG} | base64 -d > ${KUBECONFIG}
  script:
  - git clone https://gitlab.ebi.ac.uk/kamal/ensembl-client-caas-deploy.git
  - git -C ensembl-client-caas-deploy checkout refactor-manifest
  - sed -i "s/<VERSION>/${CI_COMMIT_SHORT_SHA}-${DEPLOYENV}/g" ensembl-client-caas-deploy/ensembl_client_deployment.yaml
  - sed -i "s/<DEPLOYMNET_ENV>/${DEPLOYENV}/g" ensembl-client-caas-deploy/ensembl_client_deployment.yaml
  - cat ensembl-client-caas-deploy/ensembl_client_deployment.yaml
  - kubectl config use-context ${KUBE_CONTEXT}
  - kubectl apply -f ensembl-client-caas-deploy/ensembl_client_deployment.yaml

Test:
  image: node:12.13.0
  stage: test

  before_script:
  - cd src/ensembl
  - npm ci

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

  except:
  - dev
  - master
  - /^feature\/.*$/
  - /^migration\/.*$/

# 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: ""

  script:
  - npm run test
  - npm run build

  only:
  - dev
  - master

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

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

  artifacts:
    name: static_assets
    paths:
    - src/ensembl/dist/

  only:
  - dev

Test_N_Build:feature:
  image: node:12.13.0
  stage: test_build_static

  before_script:
  - cd src/ensembl
  - npm ci

  script:
  - npm run test
  - export NODE_ENV=development
  - export GOOGLE_ANALYTICS_KEY=${GA_KEY}
  - export ENVIRONMENT=development
  - export API_HOST=""
  - npm run build

  artifacts:
    name: static_assets_feature
    paths:
    - src/ensembl/dist/

  only:
  - /^feature\/.*$/

# Job to build nginx docker image for staging environment (EHK k8s cluster)
Nginx:Staging-EHK:
  extends: .build-nginx-ehk
  variables:
    DEPLOYENV: staging
    CONTAINER_IMAGE: ${CI_REGISTRY_IMAGE}:${CI_COMMIT_SHORT_SHA}-staging
  only:
  - dev

# Job to build nginx docker image for live environment (EHK k8s cluster)
Nginx:Live-EHK:
  extends: .build-nginx-ehk
  variables:
    DEPLOYENV: prod
    CONTAINER_IMAGE: ${CI_REGISTRY_IMAGE}:${CI_COMMIT_SHORT_SHA}-prod
  only:
  - master

# Job to build nginx docker image for staging environment
# dev branch -> Staging
Nginx:Staging-WP:
  extends: .build-nginx-wp
  variables:
    CONTAINER_IMAGE: ${CI_REGISTRY_IMAGE}:${CI_COMMIT_SHORT_SHA}-stage-ing
  only:
  - dev
  needs: ["Test_N_Build"]

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

# Job to build nginx docker image for staging and internal environment
# dev branch -> internal
Nginx:Internal-EHK:
  extends: .build-nginx-ehk
  variables:
    DEPLOYENV: internal
    CONTAINER_IMAGE: ${CI_REGISTRY_IMAGE}:${CI_COMMIT_SHORT_SHA}-internal
  only:
  - dev
  needs: ["Test_N_Build:internal"]

Nginx:feature:
  image: docker

  services:
    - docker:dind

  stage: build_docker_images

  before_script:
  - case "${CI_COMMIT_REF_NAME}" in dev) DEPLOYENV="staging" ;; master) DEPLOYENV="prod" ;; cicd-test) DEPLOYENV="staging" ;; *) DEPLOYENV="dev" ;; esac

  script:
  - feature_branch=${CI_COMMIT_REF_NAME}
  - feature_tag=${feature_branch#"feature/"}
  - feature_tag=`echo "${feature_tag}" | tr '[A-Z]' '[a-z]'`
  - 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
  - sed -i "s/<DEPLOYMENT_ENV>/internal/g" ensembl-client-nginx/config/conf.d/local.conf
  - cat ensembl-client-nginx/config/conf.d/local.conf
  - docker build -t ${CONTAINER_IMAGE}-$feature_tag -f ensembl-client-nginx/Dockerfile --no-cache .
  - echo "$GITLAB_REGISTRY_TOKEN" | docker login -u "$GITLAB_REGISTRY_USER" --password-stdin https://"$GITLAB_REGISTRY_URL"
  - docker push ${CONTAINER_IMAGE}-$feature_tag
  - docker rmi ${CONTAINER_IMAGE}-$feature_tag
  - docker logout "$GITLAB_REGISTRY_URL"

  only:
  - /^feature\/.*$/

  dependencies:
  - Test_N_Build:feature

# Job to deploy to staging environment (EHK k8s cluster)
Staging:EHK-HH:
  extends: .deploy-ehk
  variables:
    DEPLOYENV: staging
    CONTAINER_IMAGE: ${CI_REGISTRY_IMAGE}:${CI_COMMIT_SHORT_SHA}-staging
    KUBE_CONTEXT: ens-stage-ctx
  only:
  - dev
  needs: ["Nginx:Staging-EHK"]

# Job to deploy to staging environment (WP-HX k8s cluster)
Staging:WP-HX:
  extends: .deploy-wp
  variables:
    CONTAINER_IMAGE: ${CI_REGISTRY_IMAGE}:${CI_COMMIT_SHORT_SHA}-stage-ing
  environment:
    name : wp-hx-staging
  only:
  - dev
  needs: ["Nginx:Staging-WP"]

# Job to deploy to live environment (EHK k8s cluster)
Live:EHK-HH:
  extends: .deploy-ehk
  variables:
    DEPLOYENV: prod
    CONTAINER_IMAGE: ${CI_REGISTRY_IMAGE}:${CI_COMMIT_SHORT_SHA}-prod
    KUBE_CONTEXT: ens-prod-ctx
  only:
  - master
  needs: ["Nginx:Live-EHK"]

# Job to deploy to internal environment (EHK k8s cluster)
Internal:EHK-HH:
  extends: .deploy-ehk
  variables:
    DEPLOYENV: internal
    CONTAINER_IMAGE: ${CI_REGISTRY_IMAGE}:${CI_COMMIT_SHORT_SHA}-internal
    KUBE_CONTEXT: ens-dev-ctx
  only:
  - dev
  needs: ["Nginx:Internal-EHK"]

Feature:EHK-HH:
  stage: deploy
  image: alpine
  before_script:
  - export KUBECONFIG=/etc/deploy/config
  - mkdir -p /etc/deploy
  - echo ${EMBASSY_KUBECONFIG} | base64 -d > ${KUBECONFIG}

  script:
  - feature_branch=${CI_COMMIT_REF_NAME}
  - feature_tag=${feature_branch#"feature/"}
  - apk update && apk add --no-cache curl git
  - curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl
  - chmod +x ./kubectl
  - mv ./kubectl /usr/local/bin/kubectl
  - git clone https://gitlab.ebi.ac.uk/kamal/ensembl-client-caas-deploy.git
  - cd ensembl-client-caas-deploy
  - git checkout refactor-manifest
  - cd ..
  - sed -i "s/<VERSION>/${CI_COMMIT_SHORT_SHA}-$feature_tag/g" ensembl-client-caas-deploy/ensembl_client_deployment.yaml
  - sed -i "s/<DEPLOYMNET_ENV>/$feature_tag/g" ensembl-client-caas-deploy/ensembl_client_deployment.yaml
  - cat ensembl-client-caas-deploy/ensembl_client_deployment.yaml
  - kubectl config view
  - kubectl config use-context ens-dev-ctx
  - kubectl apply -f ensembl-client-caas-deploy/ensembl_client_deployment.yaml

  only:
  - /^feature\/.*$/

  dependencies:
  - Nginx:feature