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heat_template_version: pike

description: >
  OpenStack containerized etcd services

parameters:
  DockerNamespace:
    description: namespace
    default: 'tripleoupstream'
    type: string
  DockerEtcdImage:
    description: image
    default: 'centos-binary-etcd:latest'
    type: string
  DockerEtcdConfigImage:
    description: The container image to use for the etcd config_volume
    default: 'centos-binary-etcd:latest'
    type: string
  EndpointMap:
    default: {}
    description: Mapping of service endpoint -> protocol. Typically set
                 via parameter_defaults in the resource registry.
    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
  EtcdInitialClusterToken:
    description: Initial cluster token for the etcd cluster during bootstrap.
    type: string
    hidden: true

resources:

  EtcdPuppetBase:
    type: ../../puppet/services/etcd.yaml
    properties:
      EndpointMap: {get_param: EndpointMap}
      ServiceNetMap: {get_param: ServiceNetMap}
      DefaultPasswords: {get_param: DefaultPasswords}
      EtcdInitialClusterToken: {get_param: EtcdInitialClusterToken}

outputs:
  role_data:
    description: Role data for the etcd role.
    value:
      service_name: {get_attr: [EtcdPuppetBase, role_data, service_name]}
      step_config: &step_config
        list_join:
          - "\n"
          - - "['Etcd_key'].each |String $val| { noop_resource($val) }"
            - get_attr: [EtcdPuppetBase, role_data, step_config]
      config_settings:
        map_merge:
          - {get_attr: [EtcdPuppetBase, role_data, config_settings]}
          - etcd::manage_service: false
      # BEGIN DOCKER SETTINGS
      puppet_config:
        config_volume: etcd
        step_config: *step_config
        config_image: &etcd_config_image
          list_join:
            - '/'
            - [ {get_param: DockerNamespace}, {get_param: DockerEtcdConfigImage} ]
      kolla_config:
        /var/lib/kolla/config_files/etcd.json:
          command: /usr/bin/etcd --config-file /etc/etcd/etcd.yml
          permissions:
            - path: /var/lib/etcd
              owner: etcd:etcd
              recurse: true
      docker_config:
        step_2:
          etcd:
            image:
              list_join:
                - '/'
                - [ {get_param: DockerNamespace}, {get_param: DockerEtcdImage} ]
            net: host
            privileged: false
            restart: always
            volumes:
              - /var/lib/etcd:/var/lib/etcd
              - /etc/localtime:/etc/localtime:ro
              - /var/lib/kolla/config_files/etcd.json:/var/lib/kolla/config_files/config.json:ro
              - /var/lib/config-data/etcd/etc/etcd/etcd.yml:/etc/etcd/etcd.yml:ro
            environment:
              - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
      docker_puppet_tasks:
        # Etcd keys initialization occurs only on single node
        step_2:
          config_volume: 'etcd_init_tasks'
          puppet_tags: 'etcd_key'
          step_config: 'include ::tripleo::profile::base::etcd'
          config_image: *etcd_config_image
          volumes:
            - /var/lib/config-data/etcd/etc/etcd/:/etc/etcd:ro
            - /var/lib/etcd:/var/lib/etcd:ro
      host_prep_tasks:
        - name: create /var/lib/etcd
          file:
            path: /var/lib/etcd
            state: directory
      upgrade_tasks:
        - name: Stop and disable etcd service
          tags: step2
          service: name=etcd state=stopped enabled=no