version: '2'

services:
  gitlab-runner-config:
    image: gitlab/gitlab-runner:alpine # Alpine Linux image is designed to use only Docker as the method of spawning runners
    command:
      - register
    environment: # Options can be found by running "gitlab-runner register". More info found at https://docs.gitlab.com/runner/configuration/advanced-configuration.html
      REGISTER_NON_INTERACTIVE: true                # Run registration unattended
      CI_SERVER_URL: http://gitlab/                 # Runner URL
      REGISTRATION_TOKEN: ${GITLAB_TOKEN}           # Runner's registration token
      RUNNER_EXECUTOR: docker                       # Select executor, eg. shell, docker, etc.
      RUNNER_NAME: ${GITLAB_RUNNER_DESCRIPTION}     # Runner name
      RUNNER_TAG_LIST: ${GITLAB_TAGS}               # Tag list
      REGISTER_LOCKED: false                        # Lock Runner for current project
      DOCKER_IMAGE: docker:latest                   # Docker image to be used
      DOCKER_PRIVILEGED: true                       # Give extended privileges to container
      DOCKER_EXTRA_HOSTS: gitlab:${GITLAB_IP}       # Add a custom host-to-IP mapping
      DOCKER_HOST: tcp://docker:2375/               # Docker daemon address
    external_links:
    {{- if .Values.GITLAB_LINK}}
      - ${GITLAB_LINK}:gitlab
    {{- end}}
    labels:
      io.rancher.container.pull_image: always
      io.rancher.container.start_once: true
      {{- if .Values.HOST_LABEL}}
      io.rancher.scheduler.affinity:host_label: ${HOST_LABEL}
      {{- end}}
      traefik.enable: false
    volumes:
      - /etc/localtime:/etc/localtime:ro # Syncronize time of container with the host system
      - /etc/timezone:/etc/timezone:ro # Syncronize timezone of container with the host system
      - GitLab-Runner:/etc/gitlab-runner
  gitlab-runner:
    image: gitlab/gitlab-runner:alpine # Alpine Linux image is designed to use only Docker as the method of spawning runners
    command:
      - run
    {{- if .Values.GITLAB_LINK}}
    external_links:
      - ${GITLAB_LINK}:gitlab
    {{- end}}
    labels:
      io.rancher.container.pull_image: always
      {{- if .Values.HOST_LABEL}}
      io.rancher.scheduler.affinity:host_label: ${HOST_LABEL}
      {{- end}}
      io.rancher.sidekicks: gitlab-runner-config
      traefik.enable: false
    privileged: true
    restart: always
    volumes:
      - /etc/localtime:/etc/localtime:ro # Syncronize time of container with the host system
      - /etc/timezone:/etc/timezone:ro # Syncronize timezone of container with the host system
      - GitLab-Runner:/etc/gitlab-runner

volumes:
  GitLab-Runner:
    driver: local