ceph/src/spdk/test/iscsi_tgt/rpc_config/rpc_config.py

   1 #!/usr/bin/env python3
   2
   3
   4 import os
   5 import os.path
   6 import re
   7 import sys
   8 import time
   9 import json
  10 import random
  11 from subprocess import check_call, call, check_output, Popen, PIPE, CalledProcessError
  12
  13 if (len(sys.argv) == 8):
  14     target_ip = sys.argv[2]
  15     initiator_ip = sys.argv[3]
  16     port = sys.argv[4]
  17     netmask = sys.argv[5]
  18     namespace = sys.argv[6]
  19     test_type = sys.argv[7]
  20
  21 ns_cmd = 'ip netns exec ' + namespace
  22 other_ip = '127.0.0.6'
  23 initiator_name = 'ANY'
  24 portal_tag = '1'
  25 initiator_tag = '1'
  26
  27 rpc_param = {
  28     'target_ip': target_ip,
  29     'initiator_ip': initiator_ip,
  30     'port': port,
  31     'initiator_name': initiator_name,
  32     'netmask': netmask,
  33     'lun_total': 3,
  34     'malloc_bdev_size': 64,
  35     'malloc_block_size': 512,
  36     'queue_depth': 64,
  37     'target_name': 'Target3',
  38     'alias_name': 'Target3_alias',
  39     'disable_chap': True,
  40     'mutual_chap': False,
  41     'require_chap': False,
  42     'chap_group': 0,
  43     'header_digest': False,
  44     'data_digest': False,
  45     'log_flag': 'rpc',
  46     'cpumask': 0x1
  47 }
  48
  49
  50 class RpcException(Exception):
  51
  52     def __init__(self, retval, msg):
  53         super(RpcException, self).__init__(msg)
  54         self.retval = retval
  55         self.message = msg
  56
  57
  58 class spdk_rpc(object):
  59
  60     def __init__(self, rpc_py):
  61         self.rpc_py = rpc_py
  62
  63     def __getattr__(self, name):
  64         def call(*args):
  65             cmd = "{} {}".format(self.rpc_py, name)
  66             for arg in args:
  67                 cmd += " {}".format(arg)
  68             return check_output(cmd, shell=True).decode("utf-8")
  69         return call
  70
  71
  72 def verify(expr, retcode, msg):
  73     if not expr:
  74         raise RpcException(retcode, msg)
  75
  76
  77 def verify_log_flag_rpc_methods(rpc_py, rpc_param):
  78     rpc = spdk_rpc(rpc_py)
  79     output = rpc.log_get_flags()
  80     jsonvalue = json.loads(output)
  81     verify(not jsonvalue[rpc_param['log_flag']], 1,
  82            "log_get_flags returned {}, expected false".format(jsonvalue))
  83     rpc.log_set_flag(rpc_param['log_flag'])
  84     output = rpc.log_get_flags()
  85     jsonvalue = json.loads(output)
  86     verify(jsonvalue[rpc_param['log_flag']], 1,
  87            "log_get_flags returned {}, expected true".format(jsonvalue))
  88     rpc.log_clear_flag(rpc_param['log_flag'])
  89     output = rpc.log_get_flags()
  90     jsonvalue = json.loads(output)
  91     verify(not jsonvalue[rpc_param['log_flag']], 1,
  92            "log_get_flags returned {}, expected false".format(jsonvalue))
  93
  94     print("verify_log_flag_rpc_methods passed")
  95
  96
  97 def verify_iscsi_connection_rpc_methods(rpc_py):
  98     rpc = spdk_rpc(rpc_py)
  99     output = rpc.iscsi_get_connections()
 100     jsonvalue = json.loads(output)
 101     verify(not jsonvalue, 1,
 102            "iscsi_get_connections returned {}, expected empty".format(jsonvalue))
 103
 104     rpc.bdev_malloc_create(rpc_param['malloc_bdev_size'], rpc_param['malloc_block_size'])
 105     rpc.iscsi_create_portal_group(portal_tag, "{}:{}".format(rpc_param['target_ip'], str(rpc_param['port'])))
 106     rpc.iscsi_create_initiator_group(initiator_tag, rpc_param['initiator_name'], rpc_param['netmask'])
 107
 108     lun_mapping = "Malloc" + str(rpc_param['lun_total']) + ":0"
 109     net_mapping = portal_tag + ":" + initiator_tag
 110     rpc.iscsi_create_target_node(rpc_param['target_name'], rpc_param['alias_name'], lun_mapping,
 111                                  net_mapping, rpc_param['queue_depth'], '-d')
 112     check_output('iscsiadm -m discovery -t st -p {}'.format(rpc_param['target_ip']), shell=True)
 113     check_output('iscsiadm -m node --login', shell=True)
 114     name = json.loads(rpc.iscsi_get_target_nodes())[0]['name']
 115     output = rpc.iscsi_get_connections()
 116     jsonvalues = json.loads(output)
 117     verify(jsonvalues[0]['target_node_name'] == rpc_param['target_name'], 1,
 118            "target node name vaule is {}, expected {}".format(jsonvalues[0]['target_node_name'], rpc_param['target_name']))
 119     verify(jsonvalues[0]['initiator_addr'] == rpc_param['initiator_ip'], 1,
 120            "initiator address values is {}, expected {}".format(jsonvalues[0]['initiator_addr'], rpc_param['initiator_ip']))
 121     verify(jsonvalues[0]['target_addr'] == rpc_param['target_ip'], 1,
 122            "target address values is {}, expected {}".format(jsonvalues[0]['target_addr'], rpc_param['target_ip']))
 123
 124     check_output('iscsiadm -m node --logout', shell=True)
 125     check_output('iscsiadm -m node -o delete', shell=True)
 126     rpc.iscsi_delete_initiator_group(initiator_tag)
 127     rpc.iscsi_delete_portal_group(portal_tag)
 128     rpc.iscsi_delete_target_node(name)
 129     output = rpc.iscsi_get_connections()
 130     jsonvalues = json.loads(output)
 131     verify(not jsonvalues, 1,
 132            "iscsi_get_connections returned {}, expected empty".format(jsonvalues))
 133
 134     print("verify_iscsi_connection_rpc_methods passed")
 135
 136
 137 def verify_scsi_devices_rpc_methods(rpc_py):
 138     rpc = spdk_rpc(rpc_py)
 139     output = rpc.scsi_get_devices()
 140     jsonvalue = json.loads(output)
 141     verify(not jsonvalue, 1,
 142            "scsi_get_devices returned {}, expected empty".format(jsonvalue))
 143
 144     rpc.bdev_malloc_create(rpc_param['malloc_bdev_size'], rpc_param['malloc_block_size'])
 145     rpc.iscsi_create_portal_group(portal_tag, "{}:{}".format(rpc_param['target_ip'], str(rpc_param['port'])))
 146     rpc.iscsi_create_initiator_group(initiator_tag, rpc_param['initiator_name'], rpc_param['netmask'])
 147
 148     lun_mapping = "Malloc" + str(rpc_param['lun_total']) + ":0"
 149     net_mapping = portal_tag + ":" + initiator_tag
 150     rpc.iscsi_create_target_node(rpc_param['target_name'], rpc_param['alias_name'], lun_mapping,
 151                                  net_mapping, rpc_param['queue_depth'], '-d')
 152     check_output('iscsiadm -m discovery -t st -p {}'.format(rpc_param['target_ip']), shell=True)
 153     check_output('iscsiadm -m node --login', shell=True)
 154     name = json.loads(rpc.iscsi_get_target_nodes())[0]['name']
 155     output = rpc.iscsi_get_options()
 156     jsonvalues = json.loads(output)
 157     nodebase = jsonvalues['node_base']
 158     output = rpc.scsi_get_devices()
 159     jsonvalues = json.loads(output)
 160     verify(jsonvalues[0]['device_name'] == nodebase + ":" + rpc_param['target_name'], 1,
 161            "device name vaule is {}, expected {}".format(jsonvalues[0]['device_name'], rpc_param['target_name']))
 162     verify(jsonvalues[0]['id'] == 0, 1,
 163            "device id value is {}, expected 0".format(jsonvalues[0]['id']))
 164
 165     check_output('iscsiadm -m node --logout', shell=True)
 166     check_output('iscsiadm -m node -o delete', shell=True)
 167     rpc.iscsi_delete_initiator_group(initiator_tag)
 168     rpc.iscsi_delete_portal_group(portal_tag)
 169     rpc.iscsi_delete_target_node(name)
 170     output = rpc.scsi_get_devices()
 171     jsonvalues = json.loads(output)
 172     verify(not jsonvalues, 1,
 173            "scsi_get_devices returned {}, expected empty".format(jsonvalues))
 174
 175     print("verify_scsi_devices_rpc_methods passed")
 176
 177
 178 def create_malloc_bdevs_rpc_methods(rpc_py, rpc_param):
 179     rpc = spdk_rpc(rpc_py)
 180
 181     for i in range(1, rpc_param['lun_total'] + 1):
 182         rpc.bdev_malloc_create(rpc_param['malloc_bdev_size'], rpc_param['malloc_block_size'])
 183
 184     print("create_malloc_bdevs_rpc_methods passed")
 185
 186
 187 def verify_portal_groups_rpc_methods(rpc_py, rpc_param):
 188     rpc = spdk_rpc(rpc_py)
 189     output = rpc.iscsi_get_portal_groups()
 190     jsonvalues = json.loads(output)
 191     verify(not jsonvalues, 1,
 192            "iscsi_get_portal_groups returned {} groups, expected empty".format(jsonvalues))
 193
 194     lo_ip = (target_ip, other_ip)
 195     nics = json.loads(rpc.net_get_interfaces())
 196     for x in nics:
 197         if x["ifc_index"] == 'lo':
 198             rpc.net_interface_add_ip_address(x["ifc_index"], lo_ip[1])
 199     for idx, value in enumerate(lo_ip):
 200         # The portal group tag must start at 1
 201         tag = idx + 1
 202         rpc.iscsi_create_portal_group(tag, "{}:{}".format(value, rpc_param['port']))
 203         output = rpc.iscsi_get_portal_groups()
 204         jsonvalues = json.loads(output)
 205         verify(len(jsonvalues) == tag, 1,
 206                "iscsi_get_portal_groups returned {} groups, expected {}".format(len(jsonvalues), tag))
 207
 208     tag_list = []
 209     for idx, value in enumerate(jsonvalues):
 210         verify(value['portals'][0]['host'] == lo_ip[idx], 1,
 211                "host value is {}, expected {}".format(value['portals'][0]['host'], rpc_param['target_ip']))
 212         verify(value['portals'][0]['port'] == str(rpc_param['port']), 1,
 213                "port value is {}, expected {}".format(value['portals'][0]['port'], str(rpc_param['port'])))
 214         tag_list.append(value['tag'])
 215         verify(value['tag'] == idx + 1, 1,
 216                "tag value is {}, expected {}".format(value['tag'], idx + 1))
 217
 218     for idx, value in enumerate(tag_list):
 219         rpc.iscsi_delete_portal_group(value)
 220         output = rpc.iscsi_get_portal_groups()
 221         jsonvalues = json.loads(output)
 222         verify(len(jsonvalues) == (len(tag_list) - (idx + 1)), 1,
 223                "get_portal_group returned {} groups, expected {}".format(len(jsonvalues), (len(tag_list) - (idx + 1))))
 224         if not jsonvalues:
 225             break
 226
 227         for jidx, jvalue in enumerate(jsonvalues):
 228             verify(jvalue['portals'][0]['host'] == lo_ip[idx + jidx + 1], 1,
 229                    "host value is {}, expected {}".format(jvalue['portals'][0]['host'], lo_ip[idx + jidx + 1]))
 230             verify(jvalue['portals'][0]['port'] == str(rpc_param['port']), 1,
 231                    "port value is {}, expected {}".format(jvalue['portals'][0]['port'], str(rpc_param['port'])))
 232             verify(jvalue['tag'] != value or jvalue['tag'] == tag_list[idx + jidx + 1], 1,
 233                    "tag value is {}, expected {} and not {}".format(jvalue['tag'], tag_list[idx + jidx + 1], value))
 234
 235     for x in nics:
 236         if x["ifc_index"] == 'lo':
 237             rpc.net_interface_delete_ip_address(x["ifc_index"], lo_ip[1])
 238
 239     print("verify_portal_groups_rpc_methods passed")
 240
 241
 242 def verify_initiator_groups_rpc_methods(rpc_py, rpc_param):
 243     rpc = spdk_rpc(rpc_py)
 244     output = rpc.iscsi_get_initiator_groups()
 245     jsonvalues = json.loads(output)
 246     verify(not jsonvalues, 1,
 247            "iscsi_get_initiator_groups returned {}, expected empty".format(jsonvalues))
 248     for idx, value in enumerate(rpc_param['netmask']):
 249         # The initiator group tag must start at 1
 250         tag = idx + 1
 251         rpc.iscsi_create_initiator_group(tag, rpc_param['initiator_name'], value)
 252         output = rpc.iscsi_get_initiator_groups()
 253         jsonvalues = json.loads(output)
 254         verify(len(jsonvalues) == tag, 1,
 255                "iscsi_get_initiator_groups returned {} groups, expected {}".format(len(jsonvalues), tag))
 256
 257     tag_list = []
 258     for idx, value in enumerate(jsonvalues):
 259         verify(value['initiators'][0] == rpc_param['initiator_name'], 1,
 260                "initiator value is {}, expected {}".format(value['initiators'][0], rpc_param['initiator_name']))
 261         tag_list.append(value['tag'])
 262         verify(value['tag'] == idx + 1, 1,
 263                "tag value is {}, expected {}".format(value['tag'], idx + 1))
 264         verify(value['netmasks'][0] == rpc_param['netmask'][idx], 1,
 265                "netmasks value is {}, expected {}".format(value['netmasks'][0], rpc_param['netmask'][idx]))
 266
 267     for idx, value in enumerate(rpc_param['netmask']):
 268         tag = idx + 1
 269         rpc.iscsi_initiator_group_remove_initiators(tag, '-n', rpc_param['initiator_name'], '-m', value)
 270
 271     output = rpc.iscsi_get_initiator_groups()
 272     jsonvalues = json.loads(output)
 273     verify(len(jsonvalues) == tag, 1,
 274            "iscsi_get_initiator_groups returned {} groups, expected {}".format(len(jsonvalues), tag))
 275
 276     for idx, value in enumerate(jsonvalues):
 277         verify(value['tag'] == idx + 1, 1,
 278                "tag value is {}, expected {}".format(value['tag'], idx + 1))
 279         initiators = value.get('initiators')
 280         verify(len(initiators) == 0, 1,
 281                "length of initiator list is {}, expected 0".format(len(initiators)))
 282         netmasks = value.get('netmasks')
 283         verify(len(netmasks) == 0, 1,
 284                "length of netmask list is {}, expected 0".format(len(netmasks)))
 285
 286     for idx, value in enumerate(rpc_param['netmask']):
 287         tag = idx + 1
 288         rpc.iscsi_initiator_group_add_initiators(tag, '-n', rpc_param['initiator_name'], '-m', value)
 289     output = rpc.iscsi_get_initiator_groups()
 290     jsonvalues = json.loads(output)
 291     verify(len(jsonvalues) == tag, 1,
 292            "iscsi_get_initiator_groups returned {} groups, expected {}".format(len(jsonvalues), tag))
 293
 294     tag_list = []
 295     for idx, value in enumerate(jsonvalues):
 296         verify(value['initiators'][0] == rpc_param['initiator_name'], 1,
 297                "initiator value is {}, expected {}".format(value['initiators'][0], rpc_param['initiator_name']))
 298         tag_list.append(value['tag'])
 299         verify(value['tag'] == idx + 1, 1,
 300                "tag value is {}, expected {}".format(value['tag'], idx + 1))
 301         verify(value['netmasks'][0] == rpc_param['netmask'][idx], 1,
 302                "netmasks value is {}, expected {}".format(value['netmasks'][0], rpc_param['netmask'][idx]))
 303
 304     for idx, value in enumerate(tag_list):
 305         rpc.iscsi_delete_initiator_group(value)
 306         output = rpc.iscsi_get_initiator_groups()
 307         jsonvalues = json.loads(output)
 308         verify(len(jsonvalues) == (len(tag_list) - (idx + 1)), 1,
 309                "iscsi_get_initiator_groups returned {} groups, expected {}".format(len(jsonvalues), (len(tag_list) - (idx + 1))))
 310         if not jsonvalues:
 311             break
 312         for jidx, jvalue in enumerate(jsonvalues):
 313             verify(jvalue['initiators'][0] == rpc_param['initiator_name'], 1,
 314                    "initiator value is {}, expected {}".format(jvalue['initiators'][0], rpc_param['initiator_name']))
 315             verify(jvalue['tag'] != value or jvalue['tag'] == tag_list[idx + jidx + 1], 1,
 316                    "tag value is {}, expected {} and not {}".format(jvalue['tag'], tag_list[idx + jidx + 1], value))
 317             verify(jvalue['netmasks'][0] == rpc_param['netmask'][idx + jidx + 1], 1,
 318                    "netmasks value is {}, expected {}".format(jvalue['netmasks'][0], rpc_param['netmask'][idx + jidx + 1]))
 319
 320     print("verify_initiator_groups_rpc_method passed.")
 321
 322
 323 def verify_target_nodes_rpc_methods(rpc_py, rpc_param):
 324     rpc = spdk_rpc(rpc_py)
 325     output = rpc.iscsi_get_options()
 326     jsonvalues = json.loads(output)
 327     nodebase = jsonvalues['node_base']
 328     output = rpc.iscsi_get_target_nodes()
 329     jsonvalues = json.loads(output)
 330     verify(not jsonvalues, 1,
 331            "iscsi_get_target_nodes returned {}, expected empty".format(jsonvalues))
 332
 333     rpc.bdev_malloc_create(rpc_param['malloc_bdev_size'], rpc_param['malloc_block_size'])
 334     rpc.iscsi_create_portal_group(portal_tag, "{}:{}".format(rpc_param['target_ip'], str(rpc_param['port'])))
 335     rpc.iscsi_create_initiator_group(initiator_tag, rpc_param['initiator_name'], rpc_param['netmask'])
 336
 337     lun_mapping = "Malloc" + str(rpc_param['lun_total']) + ":0"
 338     net_mapping = portal_tag + ":" + initiator_tag
 339     rpc.iscsi_create_target_node(rpc_param['target_name'], rpc_param['alias_name'], lun_mapping,
 340                                  net_mapping, rpc_param['queue_depth'], '-d')
 341     output = rpc.iscsi_get_target_nodes()
 342     jsonvalues = json.loads(output)
 343     verify(len(jsonvalues) == 1, 1,
 344            "iscsi_get_target_nodes returned {} nodes, expected 1".format(len(jsonvalues)))
 345     bdev_name = jsonvalues[0]['luns'][0]['bdev_name']
 346     verify(bdev_name == "Malloc" + str(rpc_param['lun_total']), 1,
 347            "bdev_name value is {}, expected Malloc{}".format(jsonvalues[0]['luns'][0]['bdev_name'], str(rpc_param['lun_total'])))
 348     name = jsonvalues[0]['name']
 349     verify(name == nodebase + ":" + rpc_param['target_name'], 1,
 350            "target name value is {}, expected {}".format(name, nodebase + ":" + rpc_param['target_name']))
 351     verify(jsonvalues[0]['alias_name'] == rpc_param['alias_name'], 1,
 352            "target alias_name value is {}, expected {}".format(jsonvalues[0]['alias_name'], rpc_param['alias_name']))
 353     verify(jsonvalues[0]['luns'][0]['lun_id'] == 0, 1,
 354            "lun id value is {}, expected 0".format(jsonvalues[0]['luns'][0]['lun_id']))
 355     verify(jsonvalues[0]['pg_ig_maps'][0]['ig_tag'] == int(initiator_tag), 1,
 356            "initiator group tag value is {}, expected {}".format(jsonvalues[0]['pg_ig_maps'][0]['ig_tag'], initiator_tag))
 357     verify(jsonvalues[0]['queue_depth'] == rpc_param['queue_depth'], 1,
 358            "queue depth value is {}, expected {}".format(jsonvalues[0]['queue_depth'], rpc_param['queue_depth']))
 359     verify(jsonvalues[0]['pg_ig_maps'][0]['pg_tag'] == int(portal_tag), 1,
 360            "portal group tag value is {}, expected {}".format(jsonvalues[0]['pg_ig_maps'][0]['pg_tag'], portal_tag))
 361     verify(jsonvalues[0]['disable_chap'] == rpc_param['disable_chap'], 1,
 362            "disable chap value is {}, expected {}".format(jsonvalues[0]['disable_chap'], rpc_param['disable_chap']))
 363     verify(jsonvalues[0]['mutual_chap'] == rpc_param['mutual_chap'], 1,
 364            "chap mutual value is {}, expected {}".format(jsonvalues[0]['mutual_chap'], rpc_param['mutual_chap']))
 365     verify(jsonvalues[0]['require_chap'] == rpc_param['require_chap'], 1,
 366            "chap required value is {}, expected {}".format(jsonvalues[0]['require_chap'], rpc_param['require_chap']))
 367     verify(jsonvalues[0]['chap_group'] == rpc_param['chap_group'], 1,
 368            "chap auth group value is {}, expected {}".format(jsonvalues[0]['chap_group'], rpc_param['chap_group']))
 369     verify(jsonvalues[0]['header_digest'] == rpc_param['header_digest'], 1,
 370            "header digest value is {}, expected {}".format(jsonvalues[0]['header_digest'], rpc_param['header_digest']))
 371     verify(jsonvalues[0]['data_digest'] == rpc_param['data_digest'], 1,
 372            "data digest value is {}, expected {}".format(jsonvalues[0]['data_digest'], rpc_param['data_digest']))
 373     lun_id = '1'
 374     rpc.iscsi_target_node_add_lun(name, bdev_name, "-i", lun_id)
 375     output = rpc.iscsi_get_target_nodes()
 376     jsonvalues = json.loads(output)
 377     verify(jsonvalues[0]['luns'][1]['bdev_name'] == "Malloc" + str(rpc_param['lun_total']), 1,
 378            "bdev_name value is {}, expected Malloc{}".format(jsonvalues[0]['luns'][0]['bdev_name'], str(rpc_param['lun_total'])))
 379     verify(jsonvalues[0]['luns'][1]['lun_id'] == 1, 1,
 380            "lun id value is {}, expected 1".format(jsonvalues[0]['luns'][1]['lun_id']))
 381
 382     rpc.iscsi_delete_target_node(name)
 383     output = rpc.iscsi_get_target_nodes()
 384     jsonvalues = json.loads(output)
 385     verify(not jsonvalues, 1,
 386            "iscsi_get_target_nodes returned {}, expected empty".format(jsonvalues))
 387
 388     rpc.iscsi_create_target_node(rpc_param['target_name'], rpc_param['alias_name'], lun_mapping,
 389                                  net_mapping, rpc_param['queue_depth'], '-d')
 390
 391     rpc.iscsi_delete_portal_group(portal_tag)
 392     rpc.iscsi_delete_initiator_group(initiator_tag)
 393     rpc.iscsi_delete_target_node(name)
 394     output = rpc.iscsi_get_target_nodes()
 395     jsonvalues = json.loads(output)
 396     if not jsonvalues:
 397         print("This issue will be fixed later.")
 398
 399     print("verify_target_nodes_rpc_methods passed.")
 400
 401
 402 def verify_net_get_interfaces(rpc_py):
 403     rpc = spdk_rpc(rpc_py)
 404     nics = json.loads(rpc.net_get_interfaces())
 405     nics_names = set(x["name"] for x in nics)
 406     # parse ip link show to verify the net_get_interfaces result
 407     ip_show = ns_cmd + " ip link show"
 408     ifcfg_nics = set(re.findall(r'\S+:\s(\S+?)(?:@\S+){0,1}:\s<.*', check_output(ip_show.split()).decode()))
 409     verify(nics_names == ifcfg_nics, 1, "net_get_interfaces returned {}".format(nics))
 410     print("verify_net_get_interfaces passed.")
 411
 412
 413 def help_get_interface_ip_list(rpc_py, nic_name):
 414     rpc = spdk_rpc(rpc_py)
 415     nics = json.loads(rpc.net_get_interfaces())
 416     nic = list([x for x in nics if x["name"] == nic_name])
 417     verify(len(nic) != 0, 1,
 418            "Nic name: {} is not found in {}".format(nic_name, [x["name"] for x in nics]))
 419     return nic[0]["ip_addr"]
 420
 421
 422 def verify_net_interface_add_delete_ip_address(rpc_py):
 423     rpc = spdk_rpc(rpc_py)
 424     nics = json.loads(rpc.net_get_interfaces())
 425     # add ip on up to first 2 nics
 426     for x in nics[:2]:
 427         faked_ip = "123.123.{}.{}".format(random.randint(1, 254), random.randint(1, 254))
 428         ping_cmd = ns_cmd + " ping -c 1 -W 1 " + faked_ip
 429         rpc.net_interface_add_ip_address(x["ifc_index"], faked_ip)
 430         verify(faked_ip in help_get_interface_ip_list(rpc_py, x["name"]), 1,
 431                "add ip {} to nic {} failed.".format(faked_ip, x["name"]))
 432         try:
 433             check_call(ping_cmd.split())
 434         except BaseException:
 435             verify(False, 1,
 436                    "ping ip {} for {} was failed(adding was successful)".format
 437                    (faked_ip, x["name"]))
 438         rpc.net_interface_delete_ip_address(x["ifc_index"], faked_ip)
 439         verify(faked_ip not in help_get_interface_ip_list(rpc_py, x["name"]), 1,
 440                "delete ip {} from nic {} failed.(adding and ping were successful)".format
 441                (faked_ip, x["name"]))
 442         # ping should be failed and throw an CalledProcessError exception
 443         try:
 444             check_call(ping_cmd.split())
 445         except CalledProcessError as _:
 446             pass
 447         except Exception as e:
 448             verify(False, 1,
 449                    "Unexpected exception was caught {}(adding/ping/delete were successful)".format
 450                    (str(e)))
 451         else:
 452             verify(False, 1,
 453                    "ip {} for {} could be pinged after delete ip(adding/ping/delete were successful)".format
 454                    (faked_ip, x["name"]))
 455     print("verify_net_interface_add_delete_ip_address passed.")
 456
 457
 458 if __name__ == "__main__":
 459
 460     rpc_py = sys.argv[1]
 461
 462     try:
 463         verify_log_flag_rpc_methods(rpc_py, rpc_param)
 464         verify_net_get_interfaces(rpc_py)
 465         # Add/delete IP will not be supported in VPP.
 466         # It has separate vppctl utility for that.
 467         if test_type == 'posix':
 468             verify_net_interface_add_delete_ip_address(rpc_py)
 469         create_malloc_bdevs_rpc_methods(rpc_py, rpc_param)
 470         verify_portal_groups_rpc_methods(rpc_py, rpc_param)
 471         verify_initiator_groups_rpc_methods(rpc_py, rpc_param)
 472         verify_target_nodes_rpc_methods(rpc_py, rpc_param)
 473         verify_scsi_devices_rpc_methods(rpc_py)
 474         verify_iscsi_connection_rpc_methods(rpc_py)
 475     except RpcException as e:
 476         print("{}. Exiting with status {}".format(e.message, e.retval))
 477         raise e
 478     except Exception as e:
 479         raise e
 480
 481     sys.exit(0)