.gitlab-ci.yml

stages:
  - deploy
  - manual-deploy

variables:
  ARTIFACT_COMPRESSION_LEVEL: "fast"
  CACHE_COMPRESSION_LEVEL: "fast"

workflow:
  rules:
    - if: $CI_COMMIT_REF_NAME == "main"
      when: always
    - if: $CI_COMMIT_REF_NAME == "dev"
      when: always
    - if: '$CI_PIPELINE_SOURCE == "web"'
      when: always

remote-docker:
  stage: deploy
  environment: $CI_COMMIT_REF_NAME
  image: docker.io/docker:24.0
  only:
    - branches
  variables:
    DOCKER_HOST: "ssh://$DEPLOY_SSH_USER@$DEPLOY_HOSTNAME"
  before_script:
    - echo "$RUNTIME_ENV" > runtime.env
    - echo "Adding SSH Key"
    - mkdir -p ~/.ssh
    - echo "$DEPLOY_SSH_KEY" > ~/.ssh/gitlab
    - chmod 400 ~/.ssh/gitlab
    - echo 'IdentityFile ~/.ssh/gitlab' > ~/.ssh/config
    - ssh-keyscan -H $DEPLOY_HOSTNAME >> ~/.ssh/known_hosts
  script:
    - |
      # Create docker network (envidat)
      ssh "$DEPLOY_SSH_USER@$DEPLOY_HOSTNAME" "docker network create envidat || true"
      # Copy templates dir
      USER_DIR=$(echo "/home/$DEPLOY_SSH_USER")
      ssh "$DEPLOY_SSH_USER@$DEPLOY_HOSTNAME" "mkdir -p $USER_DIR/config/email-relay/$CI_COMMIT_REF_NAME"
      scp -r templates "$DEPLOY_SSH_USER@$DEPLOY_HOSTNAME:$USER_DIR/config/email-relay/$CI_COMMIT_REF_NAME/"
      HOME=$USER_DIR docker compose \
        --project-name="email-relay-${CI_COMMIT_REF_NAME}" \
        --file "docker-compose.$CI_COMMIT_REF_NAME.yml" \
        up --detach --force-recreate

# Job for manual deploying of a docker-compose file, to use it's
# docker images, make sure before you run it that the images referenced
# in the docker-compose.$CI_COMMIT_REF_NAME.yml exist!
manual-remote-docker:
  stage: manual-deploy
  environment: $CI_COMMIT_REF_NAME
  image: docker.io/docker:24.0
  when: manual
  variables:
    DOCKER_HOST: "ssh://$DEPLOY_SSH_USER@$DEPLOY_HOSTNAME"
  before_script:
    - echo "$RUNTIME_ENV" > runtime.env
    - echo "Adding SSH Key"
    - mkdir -p ~/.ssh
    - echo "$DEPLOY_SSH_KEY" > ~/.ssh/gitlab
    - chmod 400 ~/.ssh/gitlab
    - echo 'IdentityFile ~/.ssh/gitlab' > ~/.ssh/config
    - ssh-keyscan -H $DEPLOY_HOSTNAME >> ~/.ssh/known_hosts -v
  script:
    - APP_NAME="email-relay-${CI_COMMIT_REF_NAME}"
    - USER_DIR=$(echo "/home/$DEPLOY_SSH_USER")
    - echo "Defined USER_DIR ${USER_DIR}"
#      Create docker network (envidat)
#    - ssh "$DEPLOY_SSH_USER@$DEPLOY_HOSTNAME" "docker network create envidat || true"
    - echo "Copy templates to ${DEPLOY_SSH_USER}@${DEPLOY_HOSTNAME}:${USER_DIR}/config/${APP_NAME}/"
    - ssh "$DEPLOY_SSH_USER@$DEPLOY_HOSTNAME" "mkdir -p $USER_DIR/config/$APP_NAME"
    - scp -r templates "$DEPLOY_SSH_USER@$DEPLOY_HOSTNAME:$USER_DIR/config/$APP_NAME/"
    - HOME=$USER_DIR
    - echo "Going to remotely start the docker-compose.${CI_COMMIT_REF_NAME}.yml on ${DEPLOY_SSH_USER}@${DEPLOY_HOSTNAME}"
    # use docker compose create to recreate the container and force pulling the latest image
    # to avoid using the local cache
    - |
      docker compose --project-name="$APP_NAME" \
        --file "docker-compose.$CI_COMMIT_REF_NAME.yml" \
        create --force-recreate --pull="always"
    # use docker compose up to start the service on the remote machine
    - |
      docker compose --project-name="$APP_NAME" \
        --file "docker-compose.$CI_COMMIT_REF_NAME.yml" \
        up --detach