heat_template_version: wallaby

description: >
  Configuration of Nova 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. Use
                 parameter_merge_strategies to merge it with the defaults.
    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
  NovaComputeAvailabilityZone:
    description: The availability zone where new Nova compute nodes will be
                 added. If the zone does not already exist, it will be created.
                 If left unset, it will default to the value of the stack name.
    default: ""
    type: string
  RootStackName:
    description: The name of the stack/plan.
    type: string

conditions:
  availability_zone_set:
    not: {equals: [{get_param: NovaComputeAvailabilityZone}, ""]}

outputs:
  role_data:
    description: Role data for the Nova Availability Zone configuration service
    value:
      service_name: nova_az_config
      deploy_steps_tasks:
        # Step0: Set the hieradata nova::host as a ansible fact so that we can
        # use it later in the tasks in external_post_deploy_tasks
        - name: Get nova::host value
          shell: hiera -c /etc/puppet/hiera.yaml nova::host
          register: nova_host_result
          when: "step|int == 1"
        - name: Set nova_host fact
          set_fact:
            nova_host: "{{ nova_host_result.stdout }}"
          when: "step|int == 1"
      external_post_deploy_tasks:
        - name: "Nova: Manage aggregate and availability zone and add hosts to the zone"
          environment:
            # Force openstackclient to not try and read a clouds.yaml as none
            # exists for the tripleo-admin user.
            OS_CLIENT_CONFIG_FILE: /dev/null
          os_nova_host_aggregate:
            name: &availability_zone
              if:
                - availability_zone_set
                - {get_param: NovaComputeAvailabilityZone}
                - {get_param: RootStackName}
            availability_zone: *availability_zone
            hosts: "{{ groups['nova_compute'] | default([]) | map('extract', hostvars, 'nova_host') | select('defined') | list }}"
            auth:
              username: admin
              password: {get_param: AdminPassword}
              project_name: admin
              project_domain_name: Default
              user_domain_name: Default
              auth_url: { get_param: [EndpointMap, KeystoneV3Public, uri] }