#!/usr/bin/env python3 import os import sys import argparse sys.path.append(os.path.join(os.path.dirname(__file__), "../../scripts")) import rpc # noqa from rpc.client import print_dict, JSONRPCException # noqa def get_bdev_name_key(bdev): bdev_name_key = 'name' if 'method' in bdev and bdev['method'] == 'construct_split_vbdev': bdev_name_key = "base_bdev" return bdev_name_key def get_bdev_name(bdev): bdev_name = None if 'params' in bdev: if 'name' in bdev['params']: bdev_name = bdev['params']['name'] elif 'base_name' in bdev['params']: bdev_name = bdev['params']['base_name'] elif 'base_bdev' in bdev['params']: bdev_name = bdev['params']['base_bdev'] if 'method' in bdev and bdev['method'] == 'construct_error_bdev': bdev_name = "EE_%s" % bdev_name return bdev_name def delete_subbdevs(args, bdev, rpc_bdevs): ret_value = False bdev_name = get_bdev_name(bdev) if bdev_name and 'method' in bdev: construct_method = bdev['method'] if construct_method == 'construct_nvme_bdev': for rpc_bdev in rpc_bdevs: if bdev_name in rpc_bdev['name'] and rpc_bdev['product_name'] == "NVMe disk": args.client.call('delete_nvme_controller', {'name': "%s" % rpc_bdev['name'].split('n')[0]}) ret_value = True return ret_value def get_bdev_destroy_method(bdev): destroy_method_map = {'construct_nvme_bdev': "delete_nvme_controller", 'construct_malloc_bdev': "delete_malloc_bdev", 'construct_null_bdev': "delete_null_bdev", 'construct_rbd_bdev': "delete_rbd_bdev", 'construct_pmem_bdev': "delete_pmem_bdev", 'construct_aio_bdev': "delete_aio_bdev", 'construct_error_bdev': "delete_error_bdev", 'construct_split_vbdev': "destruct_split_vbdev", 'construct_virtio_dev': "remove_virtio_bdev", 'construct_crypto_bdev': "delete_crypto_bdev" } destroy_method = None if 'method' in bdev: construct_method = bdev['method'] if construct_method in list(destroy_method_map.keys()): destroy_method = destroy_method_map[construct_method] return destroy_method def clear_bdev_subsystem(args, bdev_config): rpc_bdevs = args.client.call("get_bdevs") for bdev in bdev_config: if delete_subbdevs(args, bdev, rpc_bdevs): continue bdev_name_key = get_bdev_name_key(bdev) bdev_name = get_bdev_name(bdev) destroy_method = get_bdev_destroy_method(bdev) if destroy_method: args.client.call(destroy_method, {bdev_name_key: bdev_name}) ''' Disable and reset hotplug ''' rpc.bdev.set_bdev_nvme_hotplug(args.client, False) def get_nvmf_destroy_method(nvmf): destroy_method_map = {'nvmf_subsystem_create': "delete_nvmf_subsystem"} try: return destroy_method_map[nvmf['method']] except KeyError: return None def clear_nvmf_subsystem(args, nvmf_config): for nvmf in nvmf_config: destroy_method = get_nvmf_destroy_method(nvmf) if destroy_method: args.client.call(destroy_method, {'nqn': nvmf['params']['nqn']}) def get_iscsi_destroy_method(iscsi): destroy_method_map = {'add_portal_group': "delete_portal_group", 'add_initiator_group': "delete_initiator_group", 'construct_target_node': "delete_target_node", 'set_iscsi_options': None } return destroy_method_map[iscsi['method']] def get_iscsi_name(iscsi): if 'name' in iscsi['params']: return iscsi['params']['name'] else: return iscsi['params']['tag'] def get_iscsi_name_key(iscsi): if iscsi['method'] == 'construct_target_node': return "name" else: return 'tag' def clear_iscsi_subsystem(args, iscsi_config): for iscsi in iscsi_config: destroy_method = get_iscsi_destroy_method(iscsi) if destroy_method: args.client.call(destroy_method, {get_iscsi_name_key(iscsi): get_iscsi_name(iscsi)}) def get_nbd_destroy_method(nbd): destroy_method_map = {'start_nbd_disk': "stop_nbd_disk" } return destroy_method_map[nbd['method']] def clear_nbd_subsystem(args, nbd_config): for nbd in nbd_config: destroy_method = get_nbd_destroy_method(nbd) if destroy_method: args.client.call(destroy_method, {'nbd_device': nbd['params']['nbd_device']}) def clear_net_framework_subsystem(args, net_framework_config): pass def clear_copy_subsystem(args, copy_config): pass def clear_interface_subsystem(args, interface_config): pass def clear_vhost_subsystem(args, vhost_config): for vhost in reversed(vhost_config): if 'method' in vhost: method = vhost['method'] if method in ['add_vhost_scsi_lun']: args.client.call("remove_vhost_scsi_target", {"ctrlr": vhost['params']['ctrlr'], "scsi_target_num": vhost['params']['scsi_target_num']}) elif method in ['construct_vhost_scsi_controller', 'construct_vhost_blk_controller', 'construct_vhost_nvme_controller']: args.client.call("remove_vhost_controller", {'ctrlr': vhost['params']['ctrlr']}) def call_test_cmd(func): def rpc_test_cmd(*args, **kwargs): try: func(*args, **kwargs) except JSONRPCException as ex: print((ex.message)) exit(1) return rpc_test_cmd if __name__ == "__main__": parser = argparse.ArgumentParser(description='Clear config command') parser.add_argument('-s', dest='server_addr', default='/var/tmp/spdk.sock') parser.add_argument('-p', dest='port', default=5260, type=int) parser.add_argument('-t', dest='timeout', default=60.0, type=float) parser.add_argument('-v', dest='verbose', action='store_true') subparsers = parser.add_subparsers(help='RPC methods') @call_test_cmd def clear_config(args): for subsystem_item in reversed(args.client.call('get_subsystems')): args.subsystem = subsystem_item['subsystem'] clear_subsystem(args) p = subparsers.add_parser('clear_config', help="""Clear configuration of all SPDK subsystems and targets using JSON RPC""") p.set_defaults(func=clear_config) @call_test_cmd def clear_subsystem(args): config = args.client.call('get_subsystem_config', {"name": args.subsystem}) if config is None: return if args.verbose: print("Calling clear_%s_subsystem" % args.subsystem) globals()["clear_%s_subsystem" % args.subsystem](args, config) p = subparsers.add_parser('clear_subsystem', help="""Clear configuration of SPDK subsystem using JSON RPC""") p.add_argument('--subsystem', help="""Subsystem name""") p.set_defaults(func=clear_subsystem) args = parser.parse_args() try: args.client = rpc.client.JSONRPCClient(args.server_addr, args.port, args.verbose, args.timeout) except JSONRPCException as ex: print((ex.message)) exit(1) args.func(args)