heat_template_version: rocky

description: >
  Contains a static list of common things necessary for nova-compute containers

parameters:

  # Required parameters
  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
  NovaAdditionalCell:
    default: false
    description: Whether this is an cell additional to the default cell.
    type: boolean

outputs:
  container_config_scripts:
    description: Shared docker config scripts
    value:
      nova_statedir_ownership.py:
        mode: "0700"
        content: { get_file: ../../container_config_scripts/nova_statedir_ownership.py }
      nova_wait_for_compute_service.py:
        mode: "0755"
        content: { get_file: ../../container_config_scripts/nova_wait_for_compute_service.py }

  nova_compute_common_deploy_steps_tasks:
    description: Common host prep tasks for nova-compute services (compute + ironic)
    # Runs as external_post_deploy_tasks
    value: &nova_compute_common_deploy_steps_tasks
      - block:
          - name: is additonal Cell?
            set_fact:
              nova_additional_cell: {get_param: NovaAdditionalCell}
          - name: check if discover hosts is required
            when:
              - not nova_additional_cell|bool
              - nova_cellv2_discovery_done is not defined
            block:
              - name: discover via nova_manager?
                set_fact:
                  nova_cellv2_discovery_delegate_host: "{{ groups['nova_manager'][0] }}"
                  nova_cellv2_discovery_container: nova_manager
                when:
                  - groups['nova_manager'] is defined and (groups['nova_manager']|length>0)
              - name: discover via nova_api?
                set_fact:
                  nova_cellv2_discovery_delegate_host: "{{ groups['nova_api'][0] }}"
                  nova_cellv2_discovery_container: nova_api
                when:
                  - nova_cellv2_discovery_delegate_host is not defined
                  - groups['nova_api'] is defined and (groups['nova_api']|length>0)
              - name: Warn if no discovery host available
                fail:
                  msg: 'No hosts available to run nova cell_v2 host discovery.'
                ignore_errors: yes
                when:
                  - nova_cellv2_discovery_delegate_host is not defined
              - name: Discovering nova hosts
                command: "{{ container_cli }} exec {{ nova_cellv2_discovery_container }} nova-manage cell_v2 discover_hosts --by-service"
                become: true
                changed_when: false
                delegate_to: '{{ nova_cellv2_discovery_delegate_host }}'
                when:
                  - nova_cellv2_discovery_delegate_host is defined
              # Could be included multiple times so ensure it only runs once
              - set_fact:
                  nova_cellv2_discovery_done: true