.gitlab-ci.yml

before_script:
  - docker info
  - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
  # ssh
  - 'which ssh-agent || ( apt-get update -y && apt-get install openssh-client -y )'
  - eval $(ssh-agent -s)
  - ssh-add <(echo "$SSH_PRIVATE_KEY")
  - mkdir -p ~/.ssh
  - echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config


variables:
  PROJECT_KEY: ch-openbroadcast
  IMAGE_TAG: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
  DOKKU_IMAGE_TAG: dokku/$PROJECT_KEY:$CI_COMMIT_REF_NAME


stages:
  - build
  - deploy
  - deploy-sites
  - post-deploy


build:
  stage: build
  only:
    - branches
  script:
    - echo "IMAGE_TAG:"           $IMAGE_TAG
    - echo "PROJECT_KEY:"         $PROJECT_KEY
    - echo "DOKKU_IMAGE_TAG:"     $DOKKU_IMAGE_TAG
    - echo "DOKKU_HOST:"          $DOKKU_HOST
    - echo "CI_DEPLOY_USER:"      $CI_DEPLOY_USER
    - echo "CI_DEPLOY_PASSWORD:"  $CI_DEPLOY_PASSWORD
    # build and add image for internal registry
    - docker build -t $IMAGE_TAG .
    - docker push $IMAGE_TAG


deploy-image:
  stage: deploy
  only:
    - master
  script:
    - echo "CI_DEPLOY_USER:"      $CI_DEPLOY_USER
    - echo "CI_DEPLOY_PASSWORD:"  $CI_DEPLOY_PASSWORD
    - echo "CI_REGISTRY:"         $CI_REGISTRY
    - echo "IMAGE_TAG:"           $IMAGE_TAG
    - echo "PROJECT_KEY:"         $PROJECT_KEY
    - echo "CI_COMMIT_REF_NAME:"  $CI_COMMIT_REF_NAME
    - echo "DOKKU_HOST:"          $DOKKU_HOST
    # pull image on dokku host
    - ssh root@$DOKKU_HOST "docker login -u $CI_DEPLOY_USER -p $CI_DEPLOY_PASSWORD $CI_REGISTRY"
    - ssh root@$DOKKU_HOST "docker pull $IMAGE_TAG"
    - ssh root@$DOKKU_HOST "docker tag $IMAGE_TAG $DOKKU_IMAGE_TAG"


deploy-sites:
  stage: deploy-sites
  only:
    - master
  script:
    # openbroadcast.ch
    - ssh root@$DOKKU_HOST "docker tag dokku/ch-openbroadcast:master dokku/ch-openbroadcast:master"
    - ssh root@$DOKKU_HOST "dokku tags:deploy ch-openbroadcast master"


post-deploy:
  stage: post-deploy
  only:
  - master
  script:
  - ssh root@$DOKKU_HOST "dokku cleanup --global"