heat_template_version: rocky

description: >
  Configures docker on the host

parameters:
  DockerInsecureRegistryAddress:
    description: Optional. The IP Address and Port of an insecure docker
                 namespace that will be configured in /etc/sysconfig/docker.
                 The value can be multiple addresses separated by commas.
    type: comma_delimited_list
    default: []
  DockerRegistryMirror:
    description: Optional. Configure a registry-mirror in the /etc/docker/daemon.json file.
    default: ''
    type: string
  EndpointMap:
    default: {}
    description: Mapping of service endpoint -> protocol. Typically set
                 via parameter_defaults in the resource registry.
    type: json
  ServiceData:
    default: {}
    description: Dictionary packing service data
    type: json
  ServiceNetMap:
    default: {}
    description: Mapping of service_name -> network name. Typically set
                 via parameter_defaults in the resource registry.  This
                 mapping overrides those in ServiceNetMapDefaults.
    type: json
  DefaultPasswords:
    default: {}
    type: json
  RoleName:
    default: ''
    description: Role name on which the service is applied
    type: string
  RoleParameters:
    default: {}
    description: Parameters specific to the role
    type: json
  Debug:
    type: boolean
    default: false
    description: Set to True to enable debugging on all services.
  DockerDebug:
    default: ''
    description: Set to True to enable debugging Docker services.
    type: string
    constraints:
      - allowed_values: [ '', 'true', 'True', 'TRUE', 'false', 'False', 'FALSE']
  DockerOptions:
    default: '--log-driver=journald --signature-verification=false --iptables=false --live-restore'
    description: Options that are used to startup the docker service.
    type: string
  DockerAdditionalSockets:
    default: ['/var/lib/openstack/docker.sock']
    description: Additional domain sockets for the docker daemon to bind to (useful for mounting
                 into containers that launch other containers)
    type: comma_delimited_list
  DockerNetworkOptions:
    default: '--bip=172.31.0.1/24'
    description: More startup options, like CIDR for the default docker0 bridge (useful for the
                 network configuration conflicts resolution)
    type: string
  DeploymentUser:
    default: ''
    description: User added to the docker group in order to use container commands.
    type: string

conditions:
  insecure_registry_is_empty: {equals : [{get_param: DockerInsecureRegistryAddress}, []]}
  service_debug_unset: {equals : [{get_param: DockerDebug}, '']}

outputs:
  role_data:
    description: Role data for the docker service
    value:
      service_name: docker
      config_settings: {}
      step_config: ''
      host_prep_tasks: []
      deploy_steps_tasks:
        - name: Install, Configure and Run Docker
          when: step|int == 1
          vars: &docker_vars
            container_registry_debug:
              if:
                - service_debug_unset
                - {get_param: Debug }
                - {get_param: DockerDebug}
            container_registry_deployment_user: {get_param: DeploymentUser}
            container_registry_docker_options: {get_param: DockerOptions}
            container_registry_additional_sockets: {get_param: DockerAdditionalSockets}
            container_registry_insecure_registries:
              if:
                - insecure_registry_is_empty
                - []
                - {get_param: DockerInsecureRegistryAddress}
            container_registry_mirror: {get_param: DockerRegistryMirror}
            container_registry_network_options: {get_param: DockerNetworkOptions}
          block:
          - include_role:
              name: container-registry
              tasks_from: docker
      service_config_settings:
        neutron_l3:
          docker_additional_sockets: {get_param: DockerAdditionalSockets}
        neutron_dhcp:
          docker_additional_sockets: {get_param: DockerAdditionalSockets}
      upgrade_tasks:
        - name: Install docker packages on upgrade if missing
          when: step|int == 3
          yum: name=docker state=latest
      update_tasks:
        - name: Restart Docker when needed
          when: step|int == 2
          vars: *docker_vars
          block:
          - include_role:
              name: container-registry
              tasks_from: docker-update