rwcal/plugins/vala/rwcal_openstack/rift/rwcal/openstack/utils/compute.py

   1 #!/usr/bin/python
   2
   3 #
   4 #   Copyright 2017 RIFT.IO Inc
   5 #
   6 #   Licensed under the Apache License, Version 2.0 (the "License");
   7 #   you may not use this file except in compliance with the License.
   8 #   You may obtain a copy of the License at
   9 #
  10 #       http://www.apache.org/licenses/LICENSE-2.0
  11 #
  12 #   Unless required by applicable law or agreed to in writing, software
  13 #   distributed under the License is distributed on an "AS IS" BASIS,
  14 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15 #   See the License for the specific language governing permissions and
  16 #   limitations under the License.
  17 #
  18 import uuid
  19 import gi
  20 gi.require_version('RwcalYang', '1.0')
  21 from gi.repository import RwcalYang
  22
  23
  24 class ImageValidateError(Exception):
  25     pass
  26
  27 class VolumeValidateError(Exception):
  28     pass
  29
  30 class AffinityGroupError(Exception):
  31     pass
  32
  33
  34 class ComputeUtils(object):
  35     """
  36     Utility class for compute operations
  37     """
  38     epa_types = ['vm_flavor',
  39                  'guest_epa',
  40                  'host_epa',
  41                  'host_aggregate',
  42                  'hypervisor_epa',
  43                  'vswitch_epa']
  44     def __init__(self, driver):
  45         """
  46         Constructor for class
  47         Arguments:
  48            driver: object of OpenstackDriver()
  49         """
  50         self._driver = driver
  51         self.log = driver.log
  52
  53     @property
  54     def driver(self):
  55         return self._driver
  56
  57     def search_vdu_flavor(self, vdu_params):
  58         """
  59         Function to search a matching flavor for VDU instantiation
  60         from already existing flavors
  61
  62         Arguments:
  63           vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
  64
  65         Returns:
  66            flavor_id(string): Flavor id for VDU instantiation
  67            None if no flavor could be found
  68         """
  69         kwargs = { 'vcpus': vdu_params.vm_flavor.vcpu_count,
  70                    'ram'  : vdu_params.vm_flavor.memory_mb,
  71                    'disk' : vdu_params.vm_flavor.storage_gb,}
  72
  73         flavors = self.driver.nova_flavor_find(**kwargs)
  74         flavor_list = list()
  75         for flv in flavors:
  76             flavor_list.append(self.driver.utils.flavor.parse_flavor_info(flv))
  77
  78         flavor_id = self.driver.utils.flavor.match_resource_flavor(vdu_params, flavor_list)
  79         return flavor_id
  80
  81     def select_vdu_flavor(self, vdu_params):
  82         """
  83         This function attempts to find a pre-existing flavor matching required
  84         parameters for VDU instantiation. If no such flavor is found, a new one
  85         is created.
  86
  87         Arguments:
  88           vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
  89
  90         Returns:
  91            flavor_id(string): Flavor id for VDU instantiation
  92         """
  93         flavor_id = self.search_vdu_flavor(vdu_params)
  94         if flavor_id is not None:
  95             self.log.info("Found flavor with id: %s matching requirements for VDU: %s",
  96                           flavor_id, vdu_params.name)
  97             return flavor_id
  98
  99         flavor = RwcalYang.FlavorInfoItem()
 100         flavor.name = str(uuid.uuid4())
 101
 102         epa_dict = { k: v for k, v in vdu_params.as_dict().items()
 103                      if k in ComputeUtils.epa_types }
 104
 105         flavor.from_dict(epa_dict)
 106
 107         flavor_id = self.driver.nova_flavor_create(name      = flavor.name,
 108                                                    ram       = flavor.vm_flavor.memory_mb,
 109                                                    vcpus     = flavor.vm_flavor.vcpu_count,
 110                                                    disk      = flavor.vm_flavor.storage_gb,
 111                                                    epa_specs = self.driver.utils.flavor.get_extra_specs(flavor))
 112         return flavor_id
 113
 114     def make_vdu_flavor_args(self, vdu_params):
 115         """
 116         Creates flavor related arguments for VDU operation
 117         Arguments:
 118           vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
 119
 120         Returns:
 121            A dictionary {'flavor_id': <flavor-id>}
 122         """
 123         return {'flavor_id': self.select_vdu_flavor(vdu_params)}
 124
 125
 126     def make_vdu_image_args(self, vdu_params):
 127         """
 128         Creates image related arguments for VDU operation
 129         Arguments:
 130           vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
 131
 132         Returns:
 133            A dictionary {'image_id': <image-id>}
 134
 135         """
 136         kwargs = dict()
 137         if vdu_params.has_field('image_name'):
 138             kwargs['image_id'] = self.resolve_image_n_validate(vdu_params.image_name,
 139                                                                vdu_params.image_checksum)
 140         elif vdu_params.has_field('image_id'):
 141             kwargs['image_id'] = vdu_params.image_id
 142
 143         return kwargs
 144
 145     def resolve_image_n_validate(self, image_name, checksum = None):
 146         """
 147         Resolve the image_name to image-object by matching image_name and checksum
 148
 149         Arguments:
 150           image_name (string): Name of image
 151           checksums  (string): Checksum associated with image
 152
 153         Raises ImageValidateError in case of Errors
 154         """
 155         image_info = [ i for i in self.driver._glance_image_list if i['name'] == image_name]
 156
 157         if not image_info:
 158             self.log.error("No image with name: %s found", image_name)
 159             raise ImageValidateError("No image with name %s found" %(image_name))
 160
 161         for image in image_info:
 162             if 'status' not in image or image['status'] != 'active':
 163                 self.log.error("Image %s not in active state. Current state: %s",
 164                                image_name, image['status'])
 165                 raise ImageValidateError("Image with name %s found in incorrect (%s) state"
 166                                          %(image_name, image['status']))
 167             if not checksum or checksum == image['checksum']:
 168                 break
 169         else:
 170             self.log.info("No image found with matching name: %s and checksum: %s",
 171                           image_name, checksum)
 172             raise ImageValidateError("No image found with matching name: %s and checksum: %s"
 173                                      %(image_name, checksum))
 174         return image['id']
 175
 176     def resolve_volume_n_validate(self, volume_ref):
 177         """
 178         Resolve the volume reference
 179
 180         Arguments:
 181           volume_ref (string): Name of volume reference
 182
 183         Raises VolumeValidateError in case of Errors
 184         """
 185
 186         for vol in self.driver._cinder_volume_list:
 187             voldict = vol.to_dict()
 188             if 'display_name' in voldict and voldict['display_name'] == volume_ref:
 189                 if 'status' in voldict:
 190                     if voldict['status'] == 'available':
 191                         return voldict['id']
 192                     else:
 193                         self.log.error("Volume %s not in available state. Current state: %s",
 194                                volume_ref, voldict['status'])
 195                         raise VolumeValidateError("Volume with name %s found in incorrect (%s) state"
 196                                          %(volume_ref, voldict['status']))
 197
 198         self.log.info("No volume found with matching name: %s ", volume_ref)
 199         raise VolumeValidateError("No volume found with matching name: %s " %(volume_ref))
 200
 201     def make_vdu_volume_args(self, volume, vdu_params):
 202         """
 203         Arguments:
 204            volume:   Protobuf GI object RwcalYang.VDUInitParams_Volumes()
 205            vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
 206
 207         Returns:
 208            A dictionary required to create volume for VDU
 209
 210         Raises VolumeValidateError in case of Errors
 211         """
 212         kwargs = dict()
 213
 214         if 'boot_priority' in volume:
 215             # Rift-only field
 216             kwargs['boot_index'] = volume.boot_priority
 217         if volume.has_field("image"):
 218             # Support image->volume
 219             kwargs['source_type'] = "image"
 220             kwargs['uuid'] = self.resolve_image_n_validate(volume.image, volume.image_checksum)
 221             kwargs['delete_on_termination'] = True
 222         elif "volume_ref" in volume:
 223             # Support volume-ref->volume (only ref)
 224             # Rift-only field
 225             kwargs['source_type'] = "volume"
 226             kwargs['uuid'] = self.resolve_volume_n_validate(volume.volume_ref)
 227             kwargs['delete_on_termination'] = False
 228         else:
 229             # Support blank->volume
 230             kwargs['source_type'] = "blank"
 231             kwargs['delete_on_termination'] = True
 232         kwargs['device_name'] = volume.name
 233         kwargs['destination_type'] = "volume"
 234         kwargs['volume_size'] = volume.size
 235
 236         if volume.has_field('device_type'):
 237             if volume.device_type in ['cdrom', 'disk']:
 238                 kwargs['device_type'] = volume.device_type
 239             else:
 240                 self.log.error("Unsupported device_type <%s> found for volume: %s",
 241                                volume.device_type, volume.name)
 242                 raise VolumeValidateError("Unsupported device_type <%s> found for volume: %s"
 243                                           %(volume.device_type, volume.name))
 244
 245         if volume.has_field('device_bus'):
 246             if volume.device_bus in ['ide', 'virtio', 'scsi']:
 247                 kwargs['disk_bus'] = volume.device_bus
 248             else:
 249                 self.log.error("Unsupported device_type <%s> found for volume: %s",
 250                                volume.device_type, volume.name)
 251                 raise VolumeValidateError("Unsupported device_type <%s> found for volume: %s"
 252                                           %(volume.device_type, volume.name))
 253
 254         return kwargs
 255
 256     def make_vdu_storage_args(self, vdu_params):
 257         """
 258         Creates volume related arguments for VDU operation
 259
 260         Arguments:
 261           vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
 262
 263         Returns:
 264            A dictionary required for volumes creation for VDU instantiation
 265         """
 266         kwargs = dict()
 267         if vdu_params.has_field('volumes'):
 268             kwargs['block_device_mapping_v2'] = list()
 269             # Ignore top-level image
 270             kwargs['image_id']  = ""
 271             for volume in vdu_params.volumes:
 272                 kwargs['block_device_mapping_v2'].append(self.make_vdu_volume_args(volume, vdu_params))
 273         return kwargs
 274
 275     def make_vdu_network_args(self, vdu_params):
 276         """
 277         Creates VDU network related arguments for VDU operation
 278         Arguments:
 279           vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
 280
 281         Returns:
 282            A dictionary {'port_list' : [ports], 'network_list': [networks]}
 283
 284         """
 285         kwargs = dict()
 286         kwargs['port_list'], kwargs['network_list'] = self.driver.utils.network.setup_vdu_networking(vdu_params)
 287         return kwargs
 288
 289
 290     def make_vdu_boot_config_args(self, vdu_params):
 291         """
 292         Creates VDU boot config related arguments for VDU operation
 293         Arguments:
 294           vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
 295
 296         Returns:
 297           A dictionary {
 298                          'userdata'    :  <cloud-init> ,
 299                          'config_drive':  True/False,
 300                          'files'       :  [ file name ],
 301                          'metadata'    :  <metadata string>
 302         }
 303         """
 304         kwargs = dict()
 305         metadata = dict()
 306
 307         if vdu_params.has_field('node_id'):
 308             metadata['rift_node_id'] = vdu_params.node_id
 309             kwargs['metadata'] = metadata
 310
 311         if vdu_params.has_field('vdu_init') and vdu_params.vdu_init.has_field('userdata'):
 312             kwargs['userdata'] = vdu_params.vdu_init.userdata
 313         else:
 314             kwargs['userdata'] = ''
 315
 316         if not vdu_params.has_field('supplemental_boot_data'):
 317             return kwargs
 318
 319         if vdu_params.supplemental_boot_data.has_field('config_file'):
 320             files = dict()
 321             for cf in vdu_params.supplemental_boot_data.config_file:
 322                 files[cf.dest] = cf.source
 323             kwargs['files'] = files
 324
 325         if vdu_params.supplemental_boot_data.has_field('boot_data_drive'):
 326             kwargs['config_drive'] = vdu_params.supplemental_boot_data.boot_data_drive
 327         else:
 328             kwargs['config_drive'] = False
 329
 330         try:
 331             # Rift model only
 332             if vdu_params.supplemental_boot_data.has_field('custom_meta_data'):
 333                 for cm in vdu_params.supplemental_boot_data.custom_meta_data:
 334                     metadata[cm.name] = cm.value
 335                     kwargs['metadata'] = metadata
 336         except Exception as e:
 337             pass
 338
 339         return kwargs
 340
 341     def _select_affinity_group(self, group_name):
 342         """
 343         Selects the affinity group based on name and return its id
 344         Arguments:
 345           group_name (string): Name of the Affinity/Anti-Affinity group
 346         Returns:
 347           Id of the matching group
 348
 349         Raises exception AffinityGroupError if no matching group is found
 350         """
 351         groups = [g['id'] for g in self.driver._nova_affinity_group if g['name'] == group_name]
 352         if not groups:
 353             self.log.error("No affinity/anti-affinity group with name: %s found", group_name)
 354             raise AffinityGroupError("No affinity/anti-affinity group with name: %s found" %(group_name))
 355         return groups[0]
 356
 357
 358     def make_vdu_server_placement_args(self, vdu_params):
 359         """
 360         Function to create kwargs required for nova server placement
 361
 362         Arguments:
 363           vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
 364
 365         Returns:
 366          A dictionary { 'availability_zone' : < Zone >, 'scheduler_hints': <group-id> }
 367
 368         """
 369         kwargs = dict()
 370
 371         if vdu_params.has_field('availability_zone') \
 372            and vdu_params.availability_zone.has_field('name'):
 373             kwargs['availability_zone']  = vdu_params.availability_zone
 374
 375         if vdu_params.has_field('server_group'):
 376             kwargs['scheduler_hints'] = {
 377                 'group': self._select_affinity_group(vdu_params.server_group)
 378             }
 379         return kwargs
 380
 381     def make_vdu_server_security_args(self, vdu_params, account):
 382         """
 383         Function to create kwargs required for nova security group
 384
 385         Arguments:
 386           vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
 387           account: Protobuf GI object RwcalYang.CloudAccount()
 388
 389         Returns:
 390           A dictionary {'security_groups' : < group > }
 391         """
 392         kwargs = dict()
 393         if account.openstack.security_groups:
 394             kwargs['security_groups'] = account.openstack.security_groups
 395         return kwargs
 396
 397
 398     def make_vdu_create_args(self, vdu_params, account):
 399         """
 400         Function to create kwargs required for nova_server_create API
 401
 402         Arguments:
 403           vdu_params: Protobuf GI object RwcalYang.VDUInitParams()
 404           account: Protobuf GI object RwcalYang.CloudAccount()
 405
 406         Returns:
 407           A kwargs dictionary for VDU create operation
 408         """
 409         kwargs = dict()
 410
 411         kwargs['name'] = vdu_params.name
 412
 413         kwargs.update(self.make_vdu_flavor_args(vdu_params))
 414         kwargs.update(self.make_vdu_storage_args(vdu_params))
 415         kwargs.update(self.make_vdu_image_args(vdu_params))
 416         kwargs.update(self.make_vdu_network_args(vdu_params))
 417         kwargs.update(self.make_vdu_boot_config_args(vdu_params))
 418         kwargs.update(self.make_vdu_server_placement_args(vdu_params))
 419         kwargs.update(self.make_vdu_server_security_args(vdu_params, account))
 420         return kwargs
 421
 422
 423     def _parse_vdu_mgmt_address_info(self, vm_info):
 424         """
 425         Get management_ip and public_ip for VDU
 426
 427         Arguments:
 428           vm_info : A dictionary object return by novaclient library listing VM attributes
 429
 430         Returns:
 431           A tuple of mgmt_ip (string) and public_ip (string)
 432         """
 433         mgmt_ip = None
 434         public_ip = None
 435         if 'addresses' in vm_info:
 436             for network_name, network_info in vm_info['addresses'].items():
 437                 if network_info and network_name == self.driver.mgmt_network:
 438                     for interface in network_info:
 439                         if 'OS-EXT-IPS:type' in interface:
 440                             if interface['OS-EXT-IPS:type'] == 'fixed':
 441                                 mgmt_ip = interface['addr']
 442                             elif interface['OS-EXT-IPS:type'] == 'floating':
 443                                 public_ip = interface['addr']
 444         return (mgmt_ip, public_ip)
 445
 446     def get_vdu_epa_info(self, vm_info):
 447         """
 448         Get flavor information (including EPA) for VDU
 449
 450         Arguments:
 451           vm_info : A dictionary returned by novaclient library listing VM attributes
 452         Returns:
 453           flavor_info: A dictionary object returned by novaclient library listing flavor attributes
 454         """
 455         if 'flavor' in vm_info and 'id' in vm_info['flavor']:
 456             try:
 457                 flavor_info = self.driver.nova_flavor_get(vm_info['flavor']['id'])
 458                 return flavor_info
 459             except Exception as e:
 460                 self.log.exception("Exception %s occured during get-flavor", str(e))
 461         return dict()
 462
 463     def _parse_vdu_cp_info(self, vdu_id):
 464         """
 465         Get connection point information for VDU identified by vdu_id
 466         Arguments:
 467         vdu_id (string) : VDU Id (vm_info['id'])
 468         Returns:
 469         A List of object RwcalYang.VDUInfoParams_ConnectionPoints()
 470
 471         """
 472         cp_list = []
 473         # Fill the port information
 474         port_list = self.driver.neutron_port_list(**{'device_id': vdu_id})
 475         for port in port_list:
 476             cp_info = self.driver.utils.network._parse_cp(port)
 477             cp = RwcalYang.VDUInfoParams_ConnectionPoints()
 478             cp.from_dict(cp_info.as_dict())
 479             cp_list.append(cp)
 480         return cp_list
 481
 482     def _parse_vdu_state_info(self, vm_info):
 483         """
 484         Get VDU state information
 485
 486         Arguments:
 487           vm_info : A dictionary returned by novaclient library listing VM attributes
 488
 489         Returns:
 490           state (string): State of the VDU
 491         """
 492         if 'status' in vm_info:
 493             if vm_info['status'] == 'ACTIVE':
 494                 vdu_state = 'active'
 495             elif vm_info['status'] == 'ERROR':
 496                 vdu_state = 'failed'
 497             else:
 498                 vdu_state = 'inactive'
 499         else:
 500             vdu_state = 'unknown'
 501         return vdu_state
 502
 503     def _parse_vdu_server_group_info(self, vm_info):
 504         """
 505         Get VDU server group information
 506         Arguments:
 507           vm_info : A dictionary returned by novaclient library listing VM attributes
 508
 509         Returns:
 510           server_group_name (string): Name of the server group to which VM belongs, else empty string
 511
 512         """
 513         server_group = [ v['name']
 514                          for v in self.driver.nova_server_group_list()
 515                          if vm_info['id'] in v['members'] ]
 516         if server_group:
 517             return server_group[0]
 518         else:
 519             return str()
 520
 521     def _parse_vdu_boot_config_data(self, vm_info):
 522         """
 523         Parses VDU supplemental boot data
 524         Arguments:
 525           vm_info : A dictionary returned by novaclient library listing VM attributes
 526
 527         Returns:
 528           List of RwcalYang.VDUInfoParams_SupplementalBootData()
 529         """
 530         supplemental_boot_data = None
 531         node_id = None
 532         if 'config_drive' in vm_info:
 533             supplemental_boot_data = RwcalYang.VDUInfoParams_SupplementalBootData()
 534             supplemental_boot_data.boot_data_drive = vm_info['config_drive']
 535         # Look for any metadata
 536         if 'metadata' not in vm_info:
 537             return node_id, supplemental_boot_data
 538         if supplemental_boot_data is None:
 539             supplemental_boot_data = RwcalYang.VDUInfoParams_SupplementalBootData()
 540         for key, value in vm_info['metadata'].items():
 541             if key == 'rift_node_id':
 542                 node_id = value
 543             else:
 544                 try:
 545                     # rift only
 546                     cm = supplemental_boot_data.custom_meta_data.add()
 547                     cm.name = key
 548                     cm.value = str(value)
 549                 except Exception as e:
 550                     pass
 551         return node_id, supplemental_boot_data
 552
 553     def _parse_vdu_volume_info(self, vm_info):
 554         """
 555         Get VDU server group information
 556         Arguments:
 557           vm_info : A dictionary returned by novaclient library listing VM attributes
 558
 559         Returns:
 560           List of RwcalYang.VDUInfoParams_Volumes()
 561         """
 562         volumes = list()
 563
 564         try:
 565             volume_list = self.driver.nova_volume_list(vm_info['id'])
 566         except Exception as e:
 567             self.log.exception("Exception %s occured during nova-volume-list", str(e))
 568             return volumes
 569
 570         for v in volume_list:
 571             volume = RwcalYang.VDUInfoParams_Volumes()
 572             try:
 573                 volume.name = (v['device']).split('/')[2]
 574                 volume.volume_id = v['volumeId']
 575                 details = self.driver.cinder_volume_get(volume.volume_id)
 576                 try:
 577                     # Rift only
 578                     for k, v in details.metadata.items():
 579                         vd = volume.custom_meta_data.add()
 580                         vd.name = k
 581                         vd.value = v
 582                 except Exception as e:
 583                     pass
 584             except Exception as e:
 585                 self.log.exception("Exception %s occured during volume list parsing", str(e))
 586                 continue
 587             else:
 588                 volumes.append(volume)
 589         return volumes
 590
 591     def _parse_vdu_console_url(self, vm_info):
 592         """
 593         Get VDU console URL
 594         Arguments:
 595           vm_info : A dictionary returned by novaclient library listing VM attributes
 596
 597         Returns:
 598           console_url(string): Console URL for VM
 599         """
 600         console_url = None
 601         if self._parse_vdu_state_info(vm_info) == 'active':
 602             try:
 603                 serv_console_url = self.driver.nova_server_console(vm_info['id'])
 604                 if 'console' in serv_console_url:
 605                     console_url = serv_console_url['console']['url']
 606                 else:
 607                     self.log.error("Error fetching console url. This could be an Openstack issue. Console : " + str(serv_console_url))
 608
 609
 610             except Exception as e:
 611                 self.log.exception("Exception %s occured during volume list parsing", str(e))
 612         return console_url
 613
 614     def parse_cloud_vdu_info(self, vm_info):
 615         """
 616         Parse vm_info dictionary (return by python-client) and put values in GI object for VDU
 617
 618         Arguments:
 619            vm_info : A dictionary object return by novaclient library listing VM attributes
 620
 621         Returns:
 622            Protobuf GI Object of type RwcalYang.VDUInfoParams()
 623         """
 624         vdu = RwcalYang.VDUInfoParams()
 625         vdu.name = vm_info['name']
 626         vdu.vdu_id = vm_info['id']
 627         vdu.cloud_type  = 'openstack'
 628
 629         if 'image' in vm_info and 'id' in vm_info['image']:
 630             vdu.image_id = vm_info['image']['id']
 631
 632         if 'availability_zone' in vm_info:
 633             vdu.availability_zone = vm_info['availability_zone']
 634
 635         vdu.state = self._parse_vdu_state_info(vm_info)
 636         management_ip,public_ip = self._parse_vdu_mgmt_address_info(vm_info)
 637
 638         if management_ip:
 639             vdu.management_ip = management_ip
 640
 641         if public_ip:
 642             vdu.public_ip = public_ip
 643
 644         if 'flavor' in vm_info and 'id' in vm_info['flavor']:
 645             vdu.flavor_id = vm_info['flavor']['id']
 646             flavor_info = self.get_vdu_epa_info(vm_info)
 647             vm_flavor = self.driver.utils.flavor.parse_vm_flavor_epa_info(flavor_info)
 648             guest_epa = self.driver.utils.flavor.parse_guest_epa_info(flavor_info)
 649             host_epa = self.driver.utils.flavor.parse_host_epa_info(flavor_info)
 650             host_aggregates = self.driver.utils.flavor.parse_host_aggregate_epa_info(flavor_info)
 651
 652             vdu.vm_flavor.from_dict(vm_flavor.as_dict())
 653             vdu.guest_epa.from_dict(guest_epa.as_dict())
 654             vdu.host_epa.from_dict(host_epa.as_dict())
 655             for aggr in host_aggregates:
 656                 ha = vdu.host_aggregate.add()
 657                 ha.from_dict(aggr.as_dict())
 658
 659         node_id, boot_data = self._parse_vdu_boot_config_data(vm_info)
 660         if node_id:
 661             vdu.node_id = node_id
 662         if boot_data:
 663             vdu.supplemental_boot_data = boot_data
 664
 665         cp_list = self._parse_vdu_cp_info(vdu.vdu_id)
 666         for cp in cp_list:
 667             vdu.connection_points.append(cp)
 668
 669         vdu.server_group.name = self._parse_vdu_server_group_info(vm_info)
 670
 671         for v in self._parse_vdu_volume_info(vm_info):
 672             vdu.volumes.append(v)
 673
 674         vdu.console_url = self._parse_vdu_console_url(vm_info)
 675         return vdu
 676
 677
 678     def perform_vdu_network_cleanup(self, vdu_id):
 679         """
 680         This function cleans up networking resources related to VDU
 681         Arguments:
 682            vdu_id(string): VDU id
 683         Returns:
 684            None
 685         """
 686         ### Get list of floating_ips associated with this instance and delete them
 687         floating_ips = [ f for f in self.driver.nova_floating_ip_list() if f.instance_id == vdu_id ]
 688         for f in floating_ips:
 689             self.driver.nova_floating_ip_delete(f)
 690
 691         ### Get list of port on VM and delete them.
 692         port_list = self.driver.neutron_port_list(**{'device_id': vdu_id})
 693
 694         for port in port_list:
 695             if ((port['device_owner'] == 'compute:None') or (port['device_owner'] == '')):
 696                 self.driver.neutron_port_delete(port['id'])
 697