heat_template_version: 2016-10-14

parameters:
  ControlPlaneIpList:
    default: []
    type: comma_delimited_list
  ExternalIpList:
    default: []
    type: comma_delimited_list
  InternalApiIpList:
    default: []
    type: comma_delimited_list
  StorageIpList:
    default: []
    type: comma_delimited_list
  StorageMgmtIpList:
    default: []
    type: comma_delimited_list
  TenantIpList:
    default: []
    type: comma_delimited_list
  ManagementIpList:
    default: []
    type: comma_delimited_list
  EnabledServices:
    default: []
    type: comma_delimited_list
  ServiceNetMap:
    default: {}
    type: json
  ServiceHostnameList:
    default: []
    type: comma_delimited_list
  NetworkHostnameMap:
    default: []
    type: json

resources:
   # This adds the extra "services" on for keystone
   # so that keystone_admin_api_network and
   # keystone_public_api_network point to the correct
   # network on the nodes running the "keystone" service
  EnabledServicesValue:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          expression: let(root => $) -> $.data.extra_services.items().where($[0] in $root.data.enabled_services).select($[1]).flatten() + $root.data.enabled_services
          data:
            enabled_services: {get_param: EnabledServices}
            extra_services:
              # If anything other than keystone needs this
              # then we should add an extra_networks interface
              # to the service templates role_data but for
              # now we hard-code the keystone special case
              keystone:
                - keystone_admin_api
                - keystone_public_api

outputs:
  net_ip_map:
    description: >
      A Hash containing a mapping of network names to assigned lists
      of IP addresses.
    value:
      ctlplane: {get_param: ControlPlaneIpList}
      external: {get_param: ExternalIpList}
      internal_api: {get_param: InternalApiIpList}
      storage: {get_param: StorageIpList}
      storage_mgmt: {get_param: StorageMgmtIpList}
      tenant: {get_param: TenantIpList}
      management: {get_param: ManagementIpList}
  service_ips:
    description: >
      Map of enabled services to a list of their IP addresses
    value:
      yaql:
        # This filters any entries where the value hasn't been substituted for
        # a list, e.g it's still $service_network.  This happens when there is
        # no network defined for the service in the ServiceNetMap, which is OK
        # as not all services have to be bound to a network, so we filter them
        expression: dict($.data.map.items().where(not isString($[1])))
        data:
          map:
            map_replace:
              - map_replace:
                  - map_merge:
                      repeat:
                        template:
                          SERVICE_node_ips: SERVICE_network
                        for_each:
                          SERVICE: {get_attr: [EnabledServicesValue, value]}
                  - values: {get_param: ServiceNetMap}
              - values:
                  ctlplane: {get_param: ControlPlaneIpList}
                  external: {get_param: ExternalIpList}
                  internal_api: {get_param: InternalApiIpList}
                  storage: {get_param: StorageIpList}
                  storage_mgmt: {get_param: StorageMgmtIpList}
                  tenant: {get_param: TenantIpList}
                  management: {get_param: ManagementIpList}
  service_hostnames:
    description: >
      Map of enabled services to a list of hostnames where they're running
    value:
      map_replace:
        - yaql:
            # This filters any entries where the value hasn't been substituted for
            # a list, e.g it's still $service_network.  This happens when there is
            # no network defined for the service in the ServiceNetMap, which is OK
            # as not all services have to be bound to a network, so we filter them
            expression: dict($.data.map.items().where(not $[1].endsWith("_network")))
            data:
              map:
                map_replace:
                  - map_merge:
                      repeat:
                        template:
                          SERVICE_node_names: SERVICE_network
                        for_each:
                          SERVICE: {get_attr: [EnabledServicesValue, value]}
                  - values: {get_param: ServiceNetMap}
        - values: {get_param: NetworkHostnameMap}
  short_service_hostnames:
    description: >
      Map of enabled services to a list of hostnames where they're running regardless of the network
    value:
      yaql:
        # If ServiceHostnameList is empty the role is deployed with zero nodes
        # therefore we don't want to add any *_node_names to the map
        expression: dict($.data.map.items().where(len($[1]) > 0))
        data:
          map:
            map_merge:
              repeat:
                template:
                  SERVICE_short_node_names: {get_param: ServiceHostnameList}
                for_each:
                    SERVICE: {get_attr: [EnabledServicesValue, value]}
