heat_template_version: rocky

description: >
  Configuration of Neutron Availability Zones in the overcloud

parameters:
  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
  EndpointMap:
    default: {}
    description: Mapping of service endpoint -> protocol. Typically set
                 via parameter_defaults in the resource registry.
    type: json
  AdminPassword:
    description: The password for the keystone admin account, used for
                 monitoring, querying neutron etc.
    type: string
    hidden: true
  NeutronDefaultAvailabilityZones:
    description: Comma-separated list of default network availability zones to
                 be used by Neutron if its resource is created without
                 availability zone hints. If not set, the default will be equal
                 to the stack/plan name.
    default: ''
    type: string
  NeutronL3AgentAvailabilityZone:
    description: Availability zone for Neutron L3 agent. If not set, the
                 default will be equal to the stack/plan name
    default: ''
    type: string
  NeutronDhcpAgentAvailabilityZone:
    description: Availability zone for Neutron DHCP agent. If not set, the
                 default will be equal to the stack/plan name
    default: ''
    type: string
  NeutronNetworkSchedulerDriver:
    description: The network schedule driver to use for avialability zones.
    default: neutron.scheduler.dhcp_agent_scheduler.AZAwareWeightScheduler
    type: string
  NeutronRouterSchedulerDriver:
    description: The router schedule driver to use for avialability zones.
    default: neutron.scheduler.l3_agent_scheduler.AZLeastRoutersScheduler
    type: string
  NeutronDhcpLoadType:
    description: Additional to the availability zones aware network scheduler.
    default: networks
    type: string
  RootStackName:
    description: The name of the stack/plan.
    type: string

resources:
  NeutronAvailabilityZones:
    type: OS::Heat::Value
    properties:
      value:
        if:
          - equals:
              - {get_param: NeutronDefaultAvailabilityZones}
              - ""
          - {get_param: RootStackName}
          - {get_param: NeutronDefaultAvailabilityZones}

  NeutronL3AgentAvailabilityZoneReal:
    type: OS::Heat::Value
    properties:
      value:
        if:
          - equals:
              - {get_param: NeutronL3AgentAvailabilityZone}
              - ""
          - {get_param: RootStackName}
          - {get_param: NeutronL3AgentAvailabilityZone}

  NeutronDhcpAgentAvailabilityZoneReal:
    type: OS::Heat::Value
    properties:
      value:
        if:
          - equals:
              - {get_param: NeutronDhcpAgentAvailabilityZone}
              - ""
          - {get_param: RootStackName}
          - {get_param: NeutronDhcpAgentAvailabilityZone}

outputs:
  role_data:
    description: Role data for the Neutron Availability Zone configuration value
    service:
      service_name: neutron_az_config
      config_settings:
        neutron::server::dhcp_load_type: {get_param: NeutronDhcpLoadType}
        neutron::server::network_scheduler_driver:
          {get_param: NeutronNetworkSchedulerDriver}
        neutron::server::router_scheduler_driver:
          {get_param: NeutronRouterSchedulerDriver}
        neutron::server::default_availability_zones:
          {str_split: [',', {get_attr: [NeutronAvailabilityZones, value]}]}
        neutron::agents::l3::availability_zone:
          {get_attr: [NeutronL3AgentAvailabilityZoneReal, value]}
        neutron::agents::dhcp::availability_zone:
          {get_attr: [NeutronDhcpAgentAvailabilityZoneReal, value]}