tripleo-heat-templates/docker/services/etcd.yaml

heat_template_version: rocky

description: >
  OpenStack containerized etcd services  

parameters:
  DockerEtcdImage:
    description: image
    type: string
  DockerEtcdConfigImage:
    description: The container image to use for the etcd config_volume
    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
  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}
      ServiceData: {get_param: ServiceData}
      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]}
      logging_source: {get_attr: [EtcdPuppetBase, role_data, logging_source]}
      logging_groups: {get_attr: [EtcdPuppetBase, role_data, logging_groups]}
      config_settings:
        map_merge:
          - {get_attr: [EtcdPuppetBase, role_data, config_settings]}
          - etcd::manage_service: false
      # BEGIN DOCKER SETTINGS
      puppet_config:
        config_volume: etcd
        config_image: &etcd_config_image {get_param: DockerEtcdConfigImage}
        step_config:
          list_join:
            - "\n"
            - - "['Etcd_key'].each |String $val| { noop_resource($val) }"
              - get_attr: [EtcdPuppetBase, role_data, step_config]
      kolla_config:
        /var/lib/kolla/config_files/etcd.json:
          command: /usr/bin/etcd --config-file /etc/etcd/etcd.yml
          config_files:
            - source: "/var/lib/kolla/config_files/src/*"
              dest: "/"
              merge: true
              preserve_properties: true
          permissions:
            - path: /var/lib/etcd
              owner: etcd:etcd
              recurse: true
      docker_config:
        step_2:
          etcd:
            image: {get_param: DockerEtcdImage}
            net: host
            privileged: false
            restart: always
            healthcheck:
              test: /openstack/healthcheck
            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/puppet-generated/etcd/:/var/lib/kolla/config_files/src: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:
            get_attr: [EtcdPuppetBase, role_data, step_config]
          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:
        - when: step|int == 0
          tags: common
          block:
            - name: Check if etcd is deployed
              command: systemctl is-enabled --quiet etcd
              ignore_errors: True
              register: etcd_enabled_result
            - name: Set fact etcd_enabled
              set_fact:
                etcd_enabled: "{{ etcd_enabled_result.rc == 0 }}"
            - name: "PreUpgrade step0,validation: Check if etcd is running"
              command: systemctl is-active --quiet etcd
              when: etcd_enabled|bool
              tags: validation
        - when: step|int == 2
          block:
            - name: Stop and disable etcd service
              when: etcd_enabled|bool
              service: name=etcd state=stopped enabled=no