.gitlab-ci.yml

stages:
  - build
  - deploy

variables:
  DOMAIN: iotagency.sigfox.com
  API_VERSION: api

  SUBDOMAIN: dev
  PRIMUS_URL: https://primus.${SUBDOMAIN}.${DOMAIN}
  API_URL: https://api.${SUBDOMAIN}.${DOMAIN}
  BUILD_ENV: prod
  SERVER_NAME: ${SUBDOMAIN}.${DOMAIN}

  PRIMUS_IMG: ${CI_REGISTRY_IMAGE}/primus-${SUBDOMAIN}:latest
  BACKEND_IMG: ${CI_REGISTRY_IMAGE}/backend-${SUBDOMAIN}:latest
  FRONTEND_IMG: ${CI_REGISTRY_IMAGE}/frontend-${SUBDOMAIN}:latest
  FRONTEND_BUILDER_IMG: ${CI_REGISTRY_IMAGE}/frontend-${SUBDOMAIN}:builder
  MONGO_IMG: ${CI_REGISTRY_IMAGE}/mongodb-${SUBDOMAIN}:latest
  RABBIT_IMG: ${CI_REGISTRY_IMAGE}/rabbitmq-${SUBDOMAIN}:latest

.build_job: &build_job
  stage: build
  image: docker:latest
  services:
    - docker:dind
  script:
    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
    # cache
    - docker pull $PRIMUS_IMG || true
    - docker pull $BACKEND_IMG || true
    - docker pull $FRONTEND_BUILDER_IMG || true
    - docker pull $FRONTEND_IMG || true
    - docker pull $MONGO_IMG || true
    - docker pull $RABBIT_IMG || true
    # build
    - export FRONTEND_BUILD_ARGS="--build-arg BUILD_ENV=${BUILD_ENV} --build-arg SERVER_NAME=${SERVER_NAME} --build-arg API_URL=${API_URL} --build-arg API_VERSION=${API_VERSION} --build-arg PRIMUS_URL=${PRIMUS_URL}"
    - docker build --cache-from $PRIMUS_IMG -t $PRIMUS_IMG primus
    - docker build --cache-from $BACKEND_IMG -t $BACKEND_IMG --build-arg GIT_REV=${CI_COMMIT_SHORT_SHA} backend
    - docker build --cache-from $FRONTEND_BUILDER_IMG -t $FRONTEND_BUILDER_IMG --target builder $FRONTEND_BUILD_ARGS frontend
    - docker build --cache-from $FRONTEND_BUILDER_IMG --cache-from $FRONTEND_IMG -t $FRONTEND_IMG $FRONTEND_BUILD_ARGS frontend
    - docker build --cache-from $MONGO_IMG -t $MONGO_IMG mongodb
    - docker build --cache-from $RABBIT_IMG -t $RABBIT_IMG rabbitmq
    # push
    - docker push $PRIMUS_IMG
    - docker push $BACKEND_IMG
    - docker push $FRONTEND_BUILDER_IMG
    - docker push $FRONTEND_IMG
    - docker push $MONGO_IMG
    - docker push $RABBIT_IMG

.deploy_job: &deploy_job
  stage: deploy
  image: kroniak/ssh-client:latest
  variables: &deploy_var
    GIT_STRATEGY: none
    ARGS: '--health-start-period 5s --with-registry-auth --update-failure-action rollback --update-parallelism 2 --update-order start-first'
  script:
    # add the server as a known host
    - mkdir ~/.ssh
    - echo "$SSH_KNOWN_HOSTS" >> ~/.ssh/known_hosts
    - chmod 644 ~/.ssh/known_hosts
    # add ssh key stored in SSH_PRIVATE_KEY variable to the agent store
    - eval $(ssh-agent -s)
    - ssh-add <(echo "$SSH_PRIVATE_KEY")
    # log into Docker registry
    - |
      ssh ci_deployer@iotagency.sigfox.com "docker login -u "$DEPLOY_USER" -p "$DEPLOY_TOKEN" $CI_REGISTRY && echo $FRONTEND_IMG &&
      docker service update ${SUBDOMAIN}_frontend ${ARGS} --image $FRONTEND_IMG &&
      docker service update ${SUBDOMAIN}_primus ${ARGS} --image $PRIMUS_IMG &&
      docker service update ${SUBDOMAIN}_backend ${ARGS} --image $BACKEND_IMG &&
      docker service update ${SUBDOMAIN}_rabbitmq ${ARGS} --image $RABBIT_IMG"

.prod_build_job: &prod_build_job
  <<: *build_job
  only:
    - master

.prod_deploy_job: &prod_deploy_job
  <<: *deploy_job
  only:
    - master

# ======== branch staging on staging domain ========
build-staging:
  <<: *build_job
  variables:
    SUBDOMAIN: staging
  only:
    - staging

deploy-staging:
  <<: *deploy_job
  variables:
    <<: *deploy_var
    SUBDOMAIN: staging
  only:
    - staging

# ======== branch dev-foundation on dev-foundation domain ========
build-dev-foundation:
  <<: *build_job
  variables:
    SUBDOMAIN: dev-foundation
  only:
    - dev-foundation

deploy-dev-foundation:
  <<: *deploy_job
  variables:
    <<: *deploy_var
    SUBDOMAIN: dev-foundation
  only:
    - dev-foundation

# ======== branch master-foundation on foundation domain ========
build-master-foundation:
  <<: *build_job
  variables:
    SUBDOMAIN: foundation
  only:
    - master-foundation

deploy-master-foundation:
  <<: *deploy_job
  variables:
    <<: *deploy_var
    SUBDOMAIN: foundation
  only:
    - master-foundation

# ======== branch connect on connect domain ========
build-connect:
  <<: *build_job
  variables:
    SUBDOMAIN: connect
  only:
    - connect

deploy-connect:
  <<: *deploy_job
  variables:
    <<: *deploy_var
    SUBDOMAIN: connect
  only:
    - connect

# ======== PROD ========
# app
build-app:
  <<: *prod_build_job
  variables:
    SUBDOMAIN: app

deploy-app:
  <<: *prod_deploy_job
  variables:
    <<: *deploy_var
    SUBDOMAIN: app

# try
build-try:
  <<: *prod_build_job
  variables:
    SUBDOMAIN: try

deploy-try:
  <<: *prod_deploy_job
  variables:
    <<: *deploy_var
    SUBDOMAIN: try

# demo
build-demo:
  <<: *prod_build_job
  variables:
    SUBDOMAIN: demo

deploy-demo:
  <<: *prod_deploy_job
  variables:
    <<: *deploy_var
    SUBDOMAIN: demo

# workshop
build-workshop:
  <<: *prod_build_job
  variables:
    SUBDOMAIN: workshop

deploy-workshop:
  <<: *prod_deploy_job
  variables:
    <<: *deploy_var
    SUBDOMAIN: workshop