8dd702c904
Add Ironic scenarios: * create_and_list_node * create_and_delete_node Add Ironic related utils: * _create_node * _list_nodes * _delete_node Add unit tests for them. Add Ironic to _Service and BARE_METAL to _ServiceType. Also there is a new rally-ironic.yaml job file. Change-Id: I5bfa68d2f9dc30680996d932c5b03b01d6c0a0fa