stages:
  - docker-build
  - deploy

build-web-release:
  stage: docker-build
  image: docker:latest
  only:
    - /^release/.*$/

  variables:
    DOCKER_DRIVER: "overlay2"
    OUTBO_BACKEND_URL: "https://outbo-api.stage.ermlab.com"

  services:
    - docker:dind

  before_script:
    - docker version
    - docker info
    - docker login -u gitlab-ci-token -p ${CI_BUILD_TOKEN} ${CI_REGISTRY}

  script:
    - docker pull ${CI_REGISTRY_IMAGE}/web:${CI_COMMIT_BEFORE_SHA} || true
    - docker pull ${CI_REGISTRY_IMAGE}/web:latest || true
    - docker build -f web.Dockerfile --build-arg outbo_env=staging --build-arg backend_url=https://outbo-api.stage.ermlab.com/ --cache-from ${CI_REGISTRY_IMAGE}/web:${CI_COMMIT_BEFORE_SHA} --cache-from ${CI_REGISTRY_IMAGE}/web:latest -t ${CI_REGISTRY_IMAGE}/web:latest -t ${CI_REGISTRY_IMAGE}/web:${CI_COMMIT_SHA} ./evg-outbo-web
    - docker push ${CI_REGISTRY_IMAGE}/web:latest
    - docker push ${CI_REGISTRY_IMAGE}/web:${CI_COMMIT_SHA}

  after_script:
    - docker logout ${CI_REGISTRY}

build-web-master:
  stage: docker-build
  image: docker:latest
  only:
    - master

  variables:
    DOCKER_DRIVER: "overlay2"

  services:
    - docker:dind

  before_script:
    - docker version
    - docker info
    - docker login -u gitlab-ci-token -p ${CI_BUILD_TOKEN} ${CI_REGISTRY}

  script:
    - docker pull ${CI_REGISTRY_IMAGE}/web:${CI_COMMIT_BEFORE_SHA} || true
    - docker pull ${CI_REGISTRY_IMAGE}/web:latest || true
    - docker build --build-arg outbo_env=production --build-arg backend_url=https://api.outbo.pl/ -f web.Dockerfile --cache-from ${CI_REGISTRY_IMAGE}/web:${CI_COMMIT_BEFORE_SHA} --cache-from ${CI_REGISTRY_IMAGE}/web:latest -t ${CI_REGISTRY_IMAGE}/web:latest -t ${CI_REGISTRY_IMAGE}/web:${CI_COMMIT_SHA} ./evg-outbo-web
    - docker push ${CI_REGISTRY_IMAGE}/web:latest
    - docker push ${CI_REGISTRY_IMAGE}/web:${CI_COMMIT_SHA}

  after_script:
    - docker logout ${CI_REGISTRY}

build-api:
  stage: docker-build
  image: docker:latest
  only:
    - /^release/.*$/
    - master

  variables:
    DOCKER_DRIVER: "overlay2"

  services:
    - docker:dind

  before_script:
    - docker version
    - docker info
    - docker login -u gitlab-ci-token -p ${CI_BUILD_TOKEN} ${CI_REGISTRY}

  script:
    - docker pull ${CI_REGISTRY_IMAGE}/api:${CI_COMMIT_BEFORE_SHA} || true
    - docker pull ${CI_REGISTRY_IMAGE}/api:latest || true
    - docker build -f api.Dockerfile --cache-from ${CI_REGISTRY_IMAGE}/api:${CI_COMMIT_BEFORE_SHA} --cache-from ${CI_REGISTRY_IMAGE}/api:latest -t ${CI_REGISTRY_IMAGE}/api:latest -t ${CI_REGISTRY_IMAGE}/api:${CI_COMMIT_SHA} ./evg-outbo-api
    - docker push ${CI_REGISTRY_IMAGE}/api:latest
    - docker push ${CI_REGISTRY_IMAGE}/api:${CI_COMMIT_SHA}

  after_script:
    - docker logout ${CI_REGISTRY}

deploy-staging:
  stage: deploy
  image: kroniak/ssh-client
  only:
    - /^release/.*$/
  services:
    - docker:dind

  before_script:
    - mkdir -p ~/.ssh
    - chmod 700 ~/.ssh
    - echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config
    - echo "${STAGE_KEY}" > ~/.ssh/id_ed25519
    - chmod 600 ~/.ssh/id_ed25519
    - eval "$(ssh-agent -s)"
    - ssh-add ~/.ssh/id_ed25519
    - ssh-keyscan -H ${STAGE_HOST} >> ~/.ssh/known_hosts
  script:
    - scp -r ./docker-compose.staging.yml ${STAGE_USER}@${STAGE_HOST}:~/docker-compose/evg-outbo/docker-compose.yml
    - >
      ssh ${STAGE_USER}@${STAGE_HOST} << EOF
        docker login -u ${CI_REGISTRY_USER} -p ${CI_REGISTRY_PASSWORD} ${CI_REGISTRY}
        cd ~/docker-compose/evg-outbo/
        sed -i -e 's#__FRONTEND_IMAGE__#${CI_REGISTRY_IMAGE}/web:${CI_COMMIT_SHA}#' docker-compose.yml
        sed -i -e 's#__BACKEND_IMAGE__#${CI_REGISTRY_IMAGE}/api:${CI_COMMIT_SHA}#' docker-compose.yml
        docker pull ${CI_REGISTRY_IMAGE}/api:${CI_COMMIT_SHA}
        docker pull ${CI_REGISTRY_IMAGE}/web:${CI_COMMIT_SHA}
        docker-compose rm --force backend
        docker-compose rm --force frontend
        docker-compose up -d backend
        docker-compose up -d frontend
      EOF

deploy-production:
  stage: deploy
  image: kroniak/ssh-client
  only:
    - master
  services:
    - docker:dind

  before_script:
    - mkdir -p ~/.ssh
    - chmod 700 ~/.ssh
    - echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config
    - echo "${PROD_KEY}" > ~/.ssh/id_ed25519
    - chmod 600 ~/.ssh/id_ed25519
    - eval "$(ssh-agent -s)"
    - ssh-add ~/.ssh/id_ed25519
    - ssh-keyscan -H ${PROD_HOST} >> ~/.ssh/known_hosts
  script:
    - scp -r ./docker-compose.prod.yml ${PROD_USER}@${PROD_HOST}:~/docker-compose.yml
    - >
      ssh ${PROD_USER}@${PROD_HOST} << EOF
        docker login -u ${CI_REGISTRY_USER} -p ${CI_REGISTRY_PASSWORD} ${CI_REGISTRY}
        sed -i -e 's#COMPOSE_BACKEND_IMAGE=.*#COMPOSE_BACKEND_IMAGE=${CI_REGISTRY_IMAGE}/api:${CI_COMMIT_SHA}#' .env
        sed -i -e 's#COMPOSE_FRONTEND_IMAGE=.*#COMPOSE_FRONTEND_IMAGE=${CI_REGISTRY_IMAGE}/web:${CI_COMMIT_SHA}#' .env
        docker pull ${CI_REGISTRY_IMAGE}/web:${CI_COMMIT_SHA}
        docker pull ${CI_REGISTRY_IMAGE}/api:${CI_COMMIT_SHA}
        docker-compose rm --force backend
        docker-compose rm --force frontend
        docker-compose up -d backend
        docker-compose up -d frontend
      EOF