heat_template_version: rocky

description: >
  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
  MonitoringSubscriptionEtcd:
    default: 'overcloud-etcd'
    type: string
  EnableInternalTLS:
    type: boolean
    default: false

conditions:
  internal_tls_enabled: {equals: [{get_param: EnableInternalTLS}, true]}

outputs:
  role_data:
    description: Role data for the etcd role.
    value:
      service_name: etcd
      monitoring_subscription: {get_param: MonitoringSubscriptionEtcd}
      config_settings:
        map_merge:
        -
          etcd::etcd_name:
            str_replace:
              template:
                "%{hiera('fqdn_$NETWORK')}"
              params:
                $NETWORK: {get_param: [ServiceNetMap, EtcdNetwork]}
          # NOTE: bind IP is found in hiera replacing the network name with the local node IP
          # for the given network; replacement examples (eg. for internal_api):
          # internal_api -> IP
          # internal_api_uri -> [IP]
          # internal_api_subnet - > IP/CIDR
          tripleo::profile::base::etcd::bind_ip:
            str_replace:
              template:
                "%{hiera('$NETWORK')}"
              params:
                $NETWORK: {get_param: [ServiceNetMap, EtcdNetwork]}
          tripleo::profile::base::etcd::client_port: '2379'
          tripleo::profile::base::etcd::peer_port: '2380'
          etcd::initial_cluster_token: {get_param: EtcdInitialClusterToken}
          etcd::manage_package: false
          tripleo::etcd::firewall_rules:
            '141 etcd':
              dport:
                - 2379
                - 2380
          etcd::manage_service: false
        -
          if:
          - internal_tls_enabled
          - generate_service_certificates: true
            tripleo::profile::base::etcd::certificate_specs:
              service_certificate: '/etc/pki/tls/certs/etcd.crt'
              service_key: '/etc/pki/tls/private/etcd.key'
              hostname:
                str_replace:
                  template: "%{hiera('fqdn_NETWORK')}"
                  params:
                    NETWORK: {get_param: [ServiceNetMap, EtcdNetwork]}
              principal:
                str_replace:
                  template: "etcd/%{hiera('fqdn_NETWORK')}"
                  params:
                    NETWORK: {get_param: [ServiceNetMap, EtcdNetwork]}
          - {}
      # 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) }"
              - "include ::tripleo::profile::base::etcd"
      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: |
              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: []
      metadata_settings:
        if:
          - internal_tls_enabled
          -
            - service: etcd
              network: {get_param: [ServiceNetMap, EtcdNetwork]}
              type: node
          - null
      post_upgrade_tasks:
        - when: step|int == 1
          import_role:
            name: tripleo-docker-rm
          vars:
            containers_to_rm:
              - etcd