--- # Discover compute hosts for a cell. - block: - import_tasks: get_cell_settings.yml - name: Fail if cell settings not found fail: msg: >- Unable to find settings for {{ nova_cell_name or 'the default cell' }}. when: not nova_cell_settings # TODO(yoctozepto): no need to do --by-service if ironic not used - name: Discover nova hosts become: true command: > {{ kolla_container_engine }} exec nova_conductor nova-manage cell_v2 discover_hosts --by-service --cell_uuid {{ nova_cell_settings.cell_uuid }} changed_when: False # Delegate to a cell conductor. delegate_to: "{{ groups[nova_cell_conductor_group][0] }}" # Fail all hosts if any of these once-per-cell tasks fail. any_errors_fatal: true