.gitlab-ci.yml

image: pindar/gcloud-kubectl-docker:latest

# When using dind, it's wise to use the overlayfs driver for
# improved performance.
variables:
  DOCKER_DRIVER: overlay

services:
  - docker:dind

before_script:
  - echo "$GCLOUD_GITLAB_CI_SERVICE_ACCOUNT_KEY" | base64 -d > gcloud.json
  - gcloud auth activate-service-account "$GCLOUD_GITLAB_CI_SERVICE_ACCOUNT" --key-file=gcloud.json  --project "$GCLOUD_PROJECT" --quiet
  - export GOOGLE_APPLICATION_CREDENTIALS=$(pwd)/gcloud.json
  - gcloud --quiet container clusters get-credentials $CLUSTER_NAME --zone $GCLOUD_ZONE

after_script:
  # clean up
  - rm -rf *

build:
  stage: build
  script:
    - docker run -v $(pwd):/data -w /data -e NODE_ENV=development -i node:6.9-alpine /bin/sh -c "npm install && npm test && npm run-script test:coverage"
    - docker run -v $(pwd):/data -w /data -e NODE_ENV=production -i node:6.9-alpine /bin/sh -c "npm prune --production"
    - docker build --pull -t "$CI_REGISTRY_IMAGE:`echo $CI_BUILD_REF | head -c 8`" .
    - gcloud docker -- push "$CI_REGISTRY_IMAGE:`echo $CI_BUILD_REF | head -c 8`"
  except:
    - tags

tag_build:
  stage: build
  script:
    - gcloud docker -- pull "$CI_REGISTRY_IMAGE:`echo $CI_BUILD_REF | head -c 8`"
    - docker tag "$CI_REGISTRY_IMAGE:`echo $CI_BUILD_REF | head -c 8`" "$CI_REGISTRY_IMAGE:${CI_BUILD_TAG}"
    - gcloud docker -- push "$CI_REGISTRY_IMAGE:${CI_BUILD_TAG}"
  only:
    - tags

deploy_branch:
  stage: deploy
  script:
    - chmod +x k8s/deploy.sh
    - ./k8s/deploy.sh ${CI_BUILD_REF_SLUG}
    - echo 'To access your environment run `kubectl proxy`'
    - echo "Then access your service via http://localhost:8001/api/v1/proxy/namespaces/${CI_BUILD_REF_SLUG}/services/hello-deployment:80/"
  environment:
    name: review/$CI_BUILD_REF_NAME
    url: http://localhost:8001/api/v1/proxy/namespaces/$CI_BUILD_REF_SLUG/services/hello-deployment:80/
    on_stop: stop_review
  only:
    - branches
  except:
    - master

stop_review:
  stage: deploy
  variables:
    GIT_STRATEGY: none
  script:
    - echo "Remove review app"
    - kubectl delete namespaces ${CI_BUILD_REF_SLUG}
  when: manual
  environment:
    name: review/$CI_BUILD_REF_NAME
    action: stop
  except:
    - master
    - tags

deploy_staging:
  variables:
    DOMAIN: ""
    STAGING_ENV: "staging"
  stage: deploy
  script:
    - chmod +x k8s/deploy.sh
    - ./k8s/deploy.sh $STAGING_ENV
  environment:
    name: $STAGING_ENV
    url: http://$STAGING_SUBDOMAIN.$DOMAIN
  only:
    - master
    - tags

deploy_production:
  variables:
    DOMAIN: ""
    STAGING_ENV: "production"
  stage: deploy
  script:
    - chmod +x k8s/deploy.sh
    - ./k8s/deploy.sh $STAGING_ENV
  environment:
    name: $STAGING_ENV
    url: http://$PROD_SUBDOMAIN.$DOMAIN
  when: manual
  only:
    - tags