rwcal/plugins/vala/rwcal_openstack/rwcal_openstack.py

   1
   2 #
   3 #   Copyright 2016 RIFT.IO Inc
   4 #
   5 #   Licensed under the Apache License, Version 2.0 (the "License");
   6 #   you may not use this file except in compliance with the License.
   7 #   You may obtain a copy of the License at
   8 #
   9 #       http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 #   Unless required by applicable law or agreed to in writing, software
  12 #   distributed under the License is distributed on an "AS IS" BASIS,
  13 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 #   See the License for the specific language governing permissions and
  15 #   limitations under the License.
  16 #
  17
  18 import contextlib
  19 import logging
  20 import os
  21 import subprocess
  22 import uuid
  23
  24 import rift.rwcal.openstack as openstack_drv
  25 import rw_status
  26 import rift.cal.rwcal_status as rwcal_status
  27 import rwlogger
  28 import neutronclient.common.exceptions as NeutronException
  29 import keystoneclient.exceptions as KeystoneExceptions
  30
  31 from gi.repository import (
  32     GObject,
  33     RwCal,
  34     RwTypes,
  35     RwcalYang)
  36
  37 PREPARE_VM_CMD = "prepare_vm.py --auth_url {auth_url} --username {username} --password {password} --tenant_name {tenant_name} --mgmt_network {mgmt_network} --server_id {server_id} --port_metadata"
  38
  39 rwstatus_exception_map = { IndexError: RwTypes.RwStatus.NOTFOUND,
  40                            KeyError: RwTypes.RwStatus.NOTFOUND,
  41                            NotImplementedError: RwTypes.RwStatus.NOT_IMPLEMENTED,}
  42
  43 rwstatus = rw_status.rwstatus_from_exc_map(rwstatus_exception_map)
  44 rwcalstatus = rwcal_status.rwcalstatus_from_exc_map(rwstatus_exception_map)
  45
  46
  47 espec_utils = openstack_drv.OpenstackExtraSpecUtils()
  48
  49 class OpenstackCALOperationFailure(Exception):
  50     pass
  51
  52 class UninitializedPluginError(Exception):
  53     pass
  54
  55
  56 class OpenstackServerGroupError(Exception):
  57     pass
  58
  59
  60 class ImageUploadError(Exception):
  61     pass
  62
  63
  64 class RwcalOpenstackPlugin(GObject.Object, RwCal.Cloud):
  65     """This class implements the CAL VALA methods for openstack."""
  66
  67     instance_num = 1
  68
  69     def __init__(self):
  70         GObject.Object.__init__(self)
  71         self._driver_class = openstack_drv.OpenstackDriver
  72         self.log = logging.getLogger('rwcal.openstack.%s' % RwcalOpenstackPlugin.instance_num)
  73         self.log.setLevel(logging.DEBUG)
  74
  75         self._rwlog_handler = None
  76         RwcalOpenstackPlugin.instance_num += 1
  77
  78
  79     @contextlib.contextmanager
  80     def _use_driver(self, account):
  81         if self._rwlog_handler is None:
  82             raise UninitializedPluginError("Must call init() in CAL plugin before use.")
  83
  84         with rwlogger.rwlog_root_handler(self._rwlog_handler):
  85             try:
  86                 drv = self._driver_class(username      = account.openstack.key,
  87                                          password      = account.openstack.secret,
  88                                          auth_url      = account.openstack.auth_url,
  89                                          tenant_name   = account.openstack.tenant,
  90                                          mgmt_network  = account.openstack.mgmt_network,
  91                                          cert_validate = account.openstack.cert_validate )
  92             except (KeystoneExceptions.Unauthorized, KeystoneExceptions.AuthorizationFailure,
  93                         NeutronException.NotFound) as e:
  94                 raise
  95             except Exception as e:
  96                 self.log.error("RwcalOpenstackPlugin: OpenstackDriver init failed. Exception: %s" %(str(e)))
  97                 raise
  98
  99             yield drv
 100
 101
 102     @rwstatus
 103     def do_init(self, rwlog_ctx):
 104         self._rwlog_handler = rwlogger.RwLogger(
 105                 category="rw-cal-log",
 106                 subcategory="openstack",
 107                 log_hdl=rwlog_ctx,
 108                 )
 109         self.log.addHandler(self._rwlog_handler)
 110         self.log.propagate = False
 111
 112     @rwstatus(ret_on_failure=[None])
 113     def do_validate_cloud_creds(self, account):
 114         """
 115         Validates the cloud account credentials for the specified account.
 116         Performs an access to the resources using Keystone API. If creds
 117         are not valid, returns an error code & reason string
 118         Arguments:
 119             account - a cloud account to validate
 120
 121         Returns:
 122             Validation Code and Details String
 123         """
 124         status = RwcalYang.CloudConnectionStatus()
 125         try:
 126             with self._use_driver(account) as drv:
 127                 drv.validate_account_creds()
 128
 129         except KeystoneExceptions.Unauthorized as e:
 130             self.log.error("Invalid credentials given for VIM account %s" %account.name)
 131             status.status = "failure"
 132             status.details = "Invalid Credentials: %s" % str(e)
 133
 134         except KeystoneExceptions.AuthorizationFailure as e:
 135             self.log.error("Bad authentication URL given for VIM account %s. Given auth url: %s" % (
 136             account.name, account.openstack.auth_url))
 137             status.status = "failure"
 138             status.details = "Invalid auth url: %s" % str(e)
 139
 140         except NeutronException.NotFound as e:
 141             self.log.error("Given management network %s could not be found for VIM account %s" % (
 142                         account.openstack.mgmt_network, account.name))
 143             status.status = "failure"
 144             status.details = "mgmt network does not exist: %s" % str(e)
 145
 146         except openstack_drv.ValidationError as e:
 147             self.log.error("RwcalOpenstackPlugin: OpenstackDriver credential validation failed. Exception: %s", str(e))
 148             status.status = "failure"
 149             status.details = "Invalid Credentials: %s" % str(e)
 150
 151         except Exception as e:
 152             msg = "RwcalOpenstackPlugin: OpenstackDriver connection failed. Exception: %s" %(str(e))
 153             self.log.error(msg)
 154             status.status = "failure"
 155             status.details = msg
 156
 157         else:
 158             status.status = "success"
 159             status.details = "Connection was successful"
 160
 161         return status
 162
 163     @rwstatus(ret_on_failure=[""])
 164     def do_get_management_network(self, account):
 165         """
 166         Returns the management network associated with the specified account.
 167         Arguments:
 168             account - a cloud account
 169
 170         Returns:
 171             The management network
 172         """
 173         return account.openstack.mgmt_network
 174
 175     @rwstatus(ret_on_failure=[""])
 176     def do_create_tenant(self, account, name):
 177         """Create a new tenant.
 178
 179         Arguments:
 180             account - a cloud account
 181             name - name of the tenant
 182
 183         Returns:
 184             The tenant id
 185         """
 186         raise NotImplementedError
 187
 188     @rwstatus
 189     def do_delete_tenant(self, account, tenant_id):
 190         """delete a tenant.
 191
 192         Arguments:
 193             account - a cloud account
 194             tenant_id - id of the tenant
 195         """
 196         raise NotImplementedError
 197
 198     @rwstatus(ret_on_failure=[[]])
 199     def do_get_tenant_list(self, account):
 200         """List tenants.
 201
 202         Arguments:
 203             account - a cloud account
 204
 205         Returns:
 206             List of tenants
 207         """
 208         raise NotImplementedError
 209
 210     @rwstatus(ret_on_failure=[""])
 211     def do_create_role(self, account, name):
 212         """Create a new user.
 213
 214         Arguments:
 215             account - a cloud account
 216             name - name of the user
 217
 218         Returns:
 219             The user id
 220         """
 221         raise NotImplementedError
 222
 223     @rwstatus
 224     def do_delete_role(self, account, role_id):
 225         """Delete a user.
 226
 227         Arguments:
 228             account - a cloud account
 229             role_id - id of the user
 230         """
 231         raise NotImplementedError
 232
 233     @rwstatus(ret_on_failure=[[]])
 234     def do_get_role_list(self, account):
 235         """List roles.
 236
 237         Arguments:
 238             account - a cloud account
 239
 240         Returns:
 241             List of roles
 242         """
 243         raise NotImplementedError
 244
 245     @rwstatus(ret_on_failure=[""])
 246     def do_create_image(self, account, image):
 247         """Create an image
 248
 249         Arguments:
 250             account - a cloud account
 251             image - a description of the image to create
 252
 253         Returns:
 254             The image id
 255         """
 256
 257         try:
 258             # If the use passed in a file descriptor, use that to
 259             # upload the image.
 260             if image.has_field("fileno"):
 261                 new_fileno = os.dup(image.fileno)
 262                 hdl = os.fdopen(new_fileno, 'rb')
 263             else:
 264                 hdl = open(image.location, "rb")
 265         except Exception as e:
 266             self.log.error("Could not open file for upload. Exception received: %s", str(e))
 267             raise
 268
 269         with hdl as fd:
 270             kwargs = {}
 271             kwargs['name'] = image.name
 272
 273             if image.disk_format:
 274                 kwargs['disk_format'] = image.disk_format
 275             if image.container_format:
 276                 kwargs['container_format'] = image.container_format
 277
 278             with self._use_driver(account) as drv:
 279                 # Create Image
 280                 image_id = drv.glance_image_create(**kwargs)
 281                 # Upload the Image
 282                 drv.glance_image_upload(image_id, fd)
 283
 284                 if image.checksum:
 285                     stored_image = drv.glance_image_get(image_id)
 286                     if stored_image.checksum != image.checksum:
 287                         drv.glance_image_delete(image_id=image_id)
 288                         raise ImageUploadError(
 289                                 "image checksum did not match (actual: %s, expected: %s). Deleting." %
 290                                 (stored_image.checksum, image.checksum)
 291                                 )
 292
 293         return image_id
 294
 295     @rwstatus
 296     def do_delete_image(self, account, image_id):
 297         """Delete a vm image.
 298
 299         Arguments:
 300             account - a cloud account
 301             image_id - id of the image to delete
 302         """
 303         with self._use_driver(account) as drv:
 304             drv.glance_image_delete(image_id=image_id)
 305
 306
 307     @staticmethod
 308     def _fill_image_info(img_info):
 309         """Create a GI object from image info dictionary
 310
 311         Converts image information dictionary object returned by openstack
 312         driver into Protobuf Gi Object
 313
 314         Arguments:
 315             account - a cloud account
 316             img_info - image information dictionary object from openstack
 317
 318         Returns:
 319             The ImageInfoItem
 320         """
 321         img = RwcalYang.ImageInfoItem()
 322         img.name = img_info['name']
 323         img.id = img_info['id']
 324         img.checksum = img_info['checksum']
 325         img.disk_format = img_info['disk_format']
 326         img.container_format = img_info['container_format']
 327         if img_info['status'] == 'active':
 328             img.state = 'active'
 329         else:
 330             img.state = 'inactive'
 331         return img
 332
 333     @rwstatus(ret_on_failure=[[]])
 334     def do_get_image_list(self, account):
 335         """Return a list of the names of all available images.
 336
 337         Arguments:
 338             account - a cloud account
 339
 340         Returns:
 341             The the list of images in VimResources object
 342         """
 343         response = RwcalYang.VimResources()
 344         with self._use_driver(account) as drv:
 345             images = drv.glance_image_list()
 346         for img in images:
 347             response.imageinfo_list.append(RwcalOpenstackPlugin._fill_image_info(img))
 348         return response
 349
 350     @rwstatus(ret_on_failure=[None])
 351     def do_get_image(self, account, image_id):
 352         """Return a image information.
 353
 354         Arguments:
 355             account - a cloud account
 356             image_id - an id of the image
 357
 358         Returns:
 359             ImageInfoItem object containing image information.
 360         """
 361         with self._use_driver(account) as drv:
 362             image = drv.glance_image_get(image_id)
 363         return RwcalOpenstackPlugin._fill_image_info(image)
 364
 365     @rwstatus(ret_on_failure=[""])
 366     def do_create_vm(self, account, vminfo):
 367         """Create a new virtual machine.
 368
 369         Arguments:
 370             account - a cloud account
 371             vminfo - information that defines the type of VM to create
 372
 373         Returns:
 374             The image id
 375         """
 376         kwargs = {}
 377         kwargs['name']      = vminfo.vm_name
 378         kwargs['flavor_id'] = vminfo.flavor_id
 379         if vminfo.has_field('image_id'):
 380             kwargs['image_id']  = vminfo.image_id
 381
 382         with self._use_driver(account) as drv:
 383             ### If floating_ip is required and we don't have one, better fail before any further allocation
 384             if vminfo.has_field('allocate_public_address') and vminfo.allocate_public_address:
 385                 if account.openstack.has_field('floating_ip_pool'):
 386                     pool_name = account.openstack.floating_ip_pool
 387                 else:
 388                     pool_name = None
 389                 floating_ip = self._allocate_floating_ip(drv, pool_name)
 390             else:
 391                 floating_ip = None
 392
 393         if vminfo.has_field('cloud_init') and vminfo.cloud_init.has_field('userdata'):
 394             kwargs['userdata']  = vminfo.cloud_init.userdata
 395         else:
 396             kwargs['userdata'] = ''
 397
 398         if account.openstack.security_groups:
 399             kwargs['security_groups'] = account.openstack.security_groups
 400
 401         port_list = []
 402         for port in vminfo.port_list:
 403             port_list.append(port.port_id)
 404
 405         if port_list:
 406             kwargs['port_list'] = port_list
 407
 408         network_list = []
 409         for network in vminfo.network_list:
 410             network_list.append(network.network_id)
 411
 412         if network_list:
 413             kwargs['network_list'] = network_list
 414
 415         metadata = {}
 416         for field in vminfo.user_tags.fields:
 417             if vminfo.user_tags.has_field(field):
 418                 metadata[field] = getattr(vminfo.user_tags, field)
 419         kwargs['metadata']  = metadata
 420
 421         if vminfo.has_field('availability_zone'):
 422             kwargs['availability_zone']  = vminfo.availability_zone
 423         else:
 424             kwargs['availability_zone'] = None
 425
 426         if vminfo.has_field('server_group'):
 427             kwargs['scheduler_hints'] = {'group': vminfo.server_group }
 428         else:
 429             kwargs['scheduler_hints'] = None
 430
 431         with self._use_driver(account) as drv:
 432             vm_id = drv.nova_server_create(**kwargs)
 433             if floating_ip:
 434                 self.prepare_vdu_on_boot(account, vm_id, floating_ip)
 435
 436         return vm_id
 437
 438     @rwstatus
 439     def do_start_vm(self, account, vm_id):
 440         """Start an existing virtual machine.
 441
 442         Arguments:
 443             account - a cloud account
 444             vm_id - an id of the VM
 445         """
 446         with self._use_driver(account) as drv:
 447             drv.nova_server_start(vm_id)
 448
 449     @rwstatus
 450     def do_stop_vm(self, account, vm_id):
 451         """Stop a running virtual machine.
 452
 453         Arguments:
 454             account - a cloud account
 455             vm_id - an id of the VM
 456         """
 457         with self._use_driver(account) as drv:
 458             drv.nova_server_stop(vm_id)
 459
 460     @rwstatus
 461     def do_delete_vm(self, account, vm_id):
 462         """Delete a virtual machine.
 463
 464         Arguments:
 465             account - a cloud account
 466             vm_id - an id of the VM
 467         """
 468         with self._use_driver(account) as drv:
 469             drv.nova_server_delete(vm_id)
 470
 471     @rwstatus
 472     def do_reboot_vm(self, account, vm_id):
 473         """Reboot a virtual machine.
 474
 475         Arguments:
 476             account - a cloud account
 477             vm_id - an id of the VM
 478         """
 479         with self._use_driver(account) as drv:
 480             drv.nova_server_reboot(vm_id)
 481
 482     @staticmethod
 483     def _fill_vm_info(vm_info, mgmt_network):
 484         """Create a GI object from vm info dictionary
 485
 486         Converts VM information dictionary object returned by openstack
 487         driver into Protobuf Gi Object
 488
 489         Arguments:
 490             vm_info - VM information from openstack
 491             mgmt_network - Management network
 492
 493         Returns:
 494             Protobuf Gi object for VM
 495         """
 496         vm = RwcalYang.VMInfoItem()
 497         vm.vm_id     = vm_info['id']
 498         vm.vm_name   = vm_info['name']
 499         vm.image_id  = vm_info['image']['id']
 500         vm.flavor_id = vm_info['flavor']['id']
 501         vm.state     = vm_info['status']
 502         for network_name, network_info in vm_info['addresses'].items():
 503             if network_info:
 504                 if network_name == mgmt_network:
 505                     vm.public_ip = next((item['addr']
 506                                             for item in network_info
 507                                             if item['OS-EXT-IPS:type'] == 'floating'),
 508                                         network_info[0]['addr'])
 509                     vm.management_ip = network_info[0]['addr']
 510                 else:
 511                     for interface in network_info:
 512                         addr = vm.private_ip_list.add()
 513                         addr.ip_address = interface['addr']
 514
 515         for network_name, network_info in vm_info['addresses'].items():
 516             if network_info and network_name == mgmt_network and not vm.public_ip:
 517                 for interface in network_info:
 518                     if 'OS-EXT-IPS:type' in interface and interface['OS-EXT-IPS:type'] == 'floating':
 519                         vm.public_ip = interface['addr']
 520
 521         # Look for any metadata
 522         for key, value in vm_info['metadata'].items():
 523             if key in vm.user_tags.fields:
 524                 setattr(vm.user_tags, key, value)
 525         if 'OS-EXT-SRV-ATTR:host' in vm_info:
 526             if vm_info['OS-EXT-SRV-ATTR:host'] != None:
 527                 vm.host_name = vm_info['OS-EXT-SRV-ATTR:host']
 528         if 'OS-EXT-AZ:availability_zone' in vm_info:
 529             if vm_info['OS-EXT-AZ:availability_zone'] != None:
 530                 vm.availability_zone = vm_info['OS-EXT-AZ:availability_zone']
 531         return vm
 532
 533     @rwstatus(ret_on_failure=[[]])
 534     def do_get_vm_list(self, account):
 535         """Return a list of the VMs as vala boxed objects
 536
 537         Arguments:
 538             account - a cloud account
 539
 540         Returns:
 541             List containing VM information
 542         """
 543         response = RwcalYang.VimResources()
 544         with self._use_driver(account) as drv:
 545             vms = drv.nova_server_list()
 546         for vm in vms:
 547             response.vminfo_list.append(RwcalOpenstackPlugin._fill_vm_info(vm, account.openstack.mgmt_network))
 548         return response
 549
 550     @rwstatus(ret_on_failure=[None])
 551     def do_get_vm(self, account, id):
 552         """Return vm information.
 553
 554         Arguments:
 555             account - a cloud account
 556             id - an id for the VM
 557
 558         Returns:
 559             VM information
 560         """
 561         with self._use_driver(account) as drv:
 562             vm = drv.nova_server_get(id)
 563         return RwcalOpenstackPlugin._fill_vm_info(vm, account.openstack.mgmt_network)
 564
 565     @staticmethod
 566     def _get_guest_epa_specs(guest_epa):
 567         """
 568         Returns EPA Specs dictionary for guest_epa attributes
 569         """
 570         epa_specs = {}
 571         if guest_epa.has_field('mempage_size'):
 572             mempage_size = espec_utils.guest.mano_to_extra_spec_mempage_size(guest_epa.mempage_size)
 573             if mempage_size is not None:
 574                 epa_specs['hw:mem_page_size'] = mempage_size
 575
 576         if guest_epa.has_field('cpu_pinning_policy'):
 577             cpu_pinning_policy = espec_utils.guest.mano_to_extra_spec_cpu_pinning_policy(guest_epa.cpu_pinning_policy)
 578             if cpu_pinning_policy is not None:
 579                 epa_specs['hw:cpu_policy'] = cpu_pinning_policy
 580
 581         if guest_epa.has_field('cpu_thread_pinning_policy'):
 582             cpu_thread_pinning_policy = espec_utils.guest.mano_to_extra_spec_cpu_thread_pinning_policy(guest_epa.cpu_thread_pinning_policy)
 583             if cpu_thread_pinning_policy is None:
 584                 epa_specs['hw:cpu_threads_policy'] = cpu_thread_pinning_policy
 585
 586         if guest_epa.has_field('trusted_execution'):
 587             trusted_execution = espec_utils.guest.mano_to_extra_spec_trusted_execution(guest_epa.trusted_execution)
 588             if trusted_execution is not None:
 589                 epa_specs['trust:trusted_host'] = trusted_execution
 590
 591         if guest_epa.has_field('numa_node_policy'):
 592             if guest_epa.numa_node_policy.has_field('node_cnt'):
 593                 numa_node_count = espec_utils.guest.mano_to_extra_spec_numa_node_count(guest_epa.numa_node_policy.node_cnt)
 594                 if numa_node_count is not None:
 595                     epa_specs['hw:numa_nodes'] = numa_node_count
 596
 597             if guest_epa.numa_node_policy.has_field('mem_policy'):
 598                 numa_memory_policy = espec_utils.guest.mano_to_extra_spec_numa_memory_policy(guest_epa.numa_node_policy.mem_policy)
 599                 if numa_memory_policy is not None:
 600                     epa_specs['hw:numa_mempolicy'] = numa_memory_policy
 601
 602             if guest_epa.numa_node_policy.has_field('node'):
 603                 for node in guest_epa.numa_node_policy.node:
 604                     if node.has_field('vcpu') and node.vcpu:
 605                         epa_specs['hw:numa_cpus.'+str(node.id)] = ','.join([str(j.id) for j in node.vcpu])
 606                     if node.memory_mb:
 607                         epa_specs['hw:numa_mem.'+str(node.id)] = str(node.memory_mb)
 608
 609         if guest_epa.has_field('pcie_device'):
 610             pci_devices = []
 611             for device in guest_epa.pcie_device:
 612                 pci_devices.append(device.device_id +':'+str(device.count))
 613             epa_specs['pci_passthrough:alias'] = ','.join(pci_devices)
 614
 615         return epa_specs
 616
 617     @staticmethod
 618     def _get_host_epa_specs(host_epa):
 619         """
 620         Returns EPA Specs dictionary for host_epa attributes
 621         """
 622
 623         epa_specs = {}
 624
 625         if host_epa.has_field('cpu_model'):
 626             cpu_model = espec_utils.host.mano_to_extra_spec_cpu_model(host_epa.cpu_model)
 627             if cpu_model is not None:
 628                 epa_specs['capabilities:cpu_info:model'] = cpu_model
 629
 630         if host_epa.has_field('cpu_arch'):
 631             cpu_arch = espec_utils.host.mano_to_extra_spec_cpu_arch(host_epa.cpu_arch)
 632             if cpu_arch is not None:
 633                 epa_specs['capabilities:cpu_info:arch'] = cpu_arch
 634
 635         if host_epa.has_field('cpu_vendor'):
 636             cpu_vendor = espec_utils.host.mano_to_extra_spec_cpu_vendor(host_epa.cpu_vendor)
 637             if cpu_vendor is not None:
 638                 epa_specs['capabilities:cpu_info:vendor'] = cpu_vendor
 639
 640         if host_epa.has_field('cpu_socket_count'):
 641             cpu_socket_count = espec_utils.host.mano_to_extra_spec_cpu_socket_count(host_epa.cpu_socket_count)
 642             if cpu_socket_count is not None:
 643                 epa_specs['capabilities:cpu_info:topology:sockets'] = cpu_socket_count
 644
 645         if host_epa.has_field('cpu_core_count'):
 646             cpu_core_count = espec_utils.host.mano_to_extra_spec_cpu_core_count(host_epa.cpu_core_count)
 647             if cpu_core_count is not None:
 648                 epa_specs['capabilities:cpu_info:topology:cores'] = cpu_core_count
 649
 650         if host_epa.has_field('cpu_core_thread_count'):
 651             cpu_core_thread_count = espec_utils.host.mano_to_extra_spec_cpu_core_thread_count(host_epa.cpu_core_thread_count)
 652             if cpu_core_thread_count is not None:
 653                 epa_specs['capabilities:cpu_info:topology:threads'] = cpu_core_thread_count
 654
 655         if host_epa.has_field('cpu_feature'):
 656             cpu_features = []
 657             espec_cpu_features = []
 658             for feature in host_epa.cpu_feature:
 659                 cpu_features.append(feature.feature)
 660             espec_cpu_features = espec_utils.host.mano_to_extra_spec_cpu_features(cpu_features)
 661             if espec_cpu_features is not None:
 662                 epa_specs['capabilities:cpu_info:features'] = espec_cpu_features
 663         return epa_specs
 664
 665     @staticmethod
 666     def _get_hypervisor_epa_specs(guest_epa):
 667         """
 668         Returns EPA Specs dictionary for hypervisor_epa attributes
 669         """
 670         hypervisor_epa = {}
 671         return hypervisor_epa
 672
 673     @staticmethod
 674     def _get_vswitch_epa_specs(guest_epa):
 675         """
 676         Returns EPA Specs dictionary for vswitch_epa attributes
 677         """
 678         vswitch_epa = {}
 679         return vswitch_epa
 680
 681     @staticmethod
 682     def _get_host_aggregate_epa_specs(host_aggregate):
 683         """
 684         Returns EPA Specs dictionary for host aggregates
 685         """
 686         epa_specs = {}
 687         for aggregate in host_aggregate:
 688             epa_specs['aggregate_instance_extra_specs:'+aggregate.metadata_key] = aggregate.metadata_value
 689
 690         return epa_specs
 691
 692     @staticmethod
 693     def _get_epa_specs(flavor):
 694         """
 695         Returns epa_specs dictionary based on flavor information
 696         """
 697         epa_specs = {}
 698         if flavor.has_field('guest_epa'):
 699             guest_epa = RwcalOpenstackPlugin._get_guest_epa_specs(flavor.guest_epa)
 700             epa_specs.update(guest_epa)
 701         if flavor.has_field('host_epa'):
 702             host_epa = RwcalOpenstackPlugin._get_host_epa_specs(flavor.host_epa)
 703             epa_specs.update(host_epa)
 704         if flavor.has_field('hypervisor_epa'):
 705             hypervisor_epa = RwcalOpenstackPlugin._get_hypervisor_epa_specs(flavor.hypervisor_epa)
 706             epa_specs.update(hypervisor_epa)
 707         if flavor.has_field('vswitch_epa'):
 708             vswitch_epa = RwcalOpenstackPlugin._get_vswitch_epa_specs(flavor.vswitch_epa)
 709             epa_specs.update(vswitch_epa)
 710         if flavor.has_field('host_aggregate'):
 711             host_aggregate = RwcalOpenstackPlugin._get_host_aggregate_epa_specs(flavor.host_aggregate)
 712             epa_specs.update(host_aggregate)
 713         return epa_specs
 714
 715     @rwstatus(ret_on_failure=[""])
 716     def do_create_flavor(self, account, flavor):
 717         """Create new flavor.
 718
 719         Arguments:
 720             account - a cloud account
 721             flavor - flavor of the VM
 722
 723         Returns:
 724             flavor id
 725         """
 726         epa_specs = RwcalOpenstackPlugin._get_epa_specs(flavor)
 727         with self._use_driver(account) as drv:
 728             return drv.nova_flavor_create(name      = flavor.name,
 729                                           ram       = flavor.vm_flavor.memory_mb,
 730                                           vcpus     = flavor.vm_flavor.vcpu_count,
 731                                           disk      = flavor.vm_flavor.storage_gb,
 732                                           epa_specs = epa_specs)
 733
 734
 735     @rwstatus
 736     def do_delete_flavor(self, account, flavor_id):
 737         """Delete flavor.
 738
 739         Arguments:
 740             account - a cloud account
 741             flavor_id - id flavor of the VM
 742         """
 743         with self._use_driver(account) as drv:
 744             drv.nova_flavor_delete(flavor_id)
 745
 746     @staticmethod
 747     def _fill_epa_attributes(flavor, flavor_info):
 748         """Helper function to populate the EPA attributes
 749
 750         Arguments:
 751               flavor     : Object with EPA attributes
 752               flavor_info: A dictionary of flavor_info received from openstack
 753         Returns:
 754               None
 755         """
 756         getattr(flavor, 'vm_flavor').vcpu_count  = flavor_info['vcpus']
 757         getattr(flavor, 'vm_flavor').memory_mb   = flavor_info['ram']
 758         getattr(flavor, 'vm_flavor').storage_gb  = flavor_info['disk']
 759
 760         ### If extra_specs in flavor_info
 761         if not 'extra_specs' in flavor_info:
 762             return
 763
 764         for attr in flavor_info['extra_specs']:
 765             if attr == 'hw:cpu_policy':
 766                 cpu_pinning_policy = espec_utils.guest.extra_spec_to_mano_cpu_pinning_policy(flavor_info['extra_specs']['hw:cpu_policy'])
 767                 if cpu_pinning_policy is not None:
 768                     getattr(flavor, 'guest_epa').cpu_pinning_policy = cpu_pinning_policy
 769
 770             elif attr == 'hw:cpu_threads_policy':
 771                 cpu_thread_pinning_policy = espec_utils.guest.extra_spec_to_mano_cpu_thread_pinning_policy(flavor_info['extra_specs']['hw:cpu_threads_policy'])
 772                 if cpu_thread_pinning_policy is not None:
 773                     getattr(flavor, 'guest_epa').cpu_thread_pinning_policy = cpu_thread_pinning_policy
 774
 775             elif attr == 'hw:mem_page_size':
 776                 mempage_size = espec_utils.guest.extra_spec_to_mano_mempage_size(flavor_info['extra_specs']['hw:mem_page_size'])
 777                 if mempage_size is not None:
 778                     getattr(flavor, 'guest_epa').mempage_size = mempage_size
 779
 780
 781             elif attr == 'hw:numa_nodes':
 782                 numa_node_count = espec_utils.guest.extra_specs_to_mano_numa_node_count(flavor_info['extra_specs']['hw:numa_nodes'])
 783                 if numa_node_count is not None:
 784                     getattr(flavor,'guest_epa').numa_node_policy.node_cnt = numa_node_count
 785
 786             elif attr.startswith('hw:numa_cpus.'):
 787                 node_id = attr.split('.')[1]
 788                 nodes = [ n for n in flavor.guest_epa.numa_node_policy.node if n.id == int(node_id) ]
 789                 if nodes:
 790                     numa_node = nodes[0]
 791                 else:
 792                     numa_node = getattr(flavor,'guest_epa').numa_node_policy.node.add()
 793                     numa_node.id = int(node_id)
 794
 795                 for x in flavor_info['extra_specs'][attr].split(','):
 796                    numa_node_vcpu = numa_node.vcpu.add()
 797                    numa_node_vcpu.id = int(x)
 798
 799             elif attr.startswith('hw:numa_mem.'):
 800                 node_id = attr.split('.')[1]
 801                 nodes = [ n for n in flavor.guest_epa.numa_node_policy.node if n.id == int(node_id) ]
 802                 if nodes:
 803                     numa_node = nodes[0]
 804                 else:
 805                     numa_node = getattr(flavor,'guest_epa').numa_node_policy.node.add()
 806                     numa_node.id = int(node_id)
 807
 808                 numa_node.memory_mb =  int(flavor_info['extra_specs'][attr])
 809
 810             elif attr == 'hw:numa_mempolicy':
 811                 numa_memory_policy = espec_utils.guest.extra_to_mano_spec_numa_memory_policy(flavor_info['extra_specs']['hw:numa_mempolicy'])
 812                 if numa_memory_policy is not None:
 813                     getattr(flavor,'guest_epa').numa_node_policy.mem_policy = numa_memory_policy
 814
 815             elif attr == 'trust:trusted_host':
 816                 trusted_execution = espec_utils.guest.extra_spec_to_mano_trusted_execution(flavor_info['extra_specs']['trust:trusted_host'])
 817                 if trusted_execution is not None:
 818                     getattr(flavor,'guest_epa').trusted_execution = trusted_execution
 819
 820             elif attr == 'pci_passthrough:alias':
 821                 device_types = flavor_info['extra_specs']['pci_passthrough:alias']
 822                 for device in device_types.split(','):
 823                     dev = getattr(flavor,'guest_epa').pcie_device.add()
 824                     dev.device_id = device.split(':')[0]
 825                     dev.count = int(device.split(':')[1])
 826
 827             elif attr == 'capabilities:cpu_info:model':
 828                 cpu_model = espec_utils.host.extra_specs_to_mano_cpu_model(flavor_info['extra_specs']['capabilities:cpu_info:model'])
 829                 if cpu_model is not None:
 830                     getattr(flavor, 'host_epa').cpu_model = cpu_model
 831
 832             elif attr == 'capabilities:cpu_info:arch':
 833                 cpu_arch = espec_utils.host.extra_specs_to_mano_cpu_arch(flavor_info['extra_specs']['capabilities:cpu_info:arch'])
 834                 if cpu_arch is not None:
 835                     getattr(flavor, 'host_epa').cpu_arch = cpu_arch
 836
 837             elif attr == 'capabilities:cpu_info:vendor':
 838                 cpu_vendor = espec_utils.host.extra_spec_to_mano_cpu_vendor(flavor_info['extra_specs']['capabilities:cpu_info:vendor'])
 839                 if cpu_vendor is not None:
 840                     getattr(flavor, 'host_epa').cpu_vendor = cpu_vendor
 841
 842             elif attr == 'capabilities:cpu_info:topology:sockets':
 843                 cpu_sockets = espec_utils.host.extra_spec_to_mano_cpu_socket_count(flavor_info['extra_specs']['capabilities:cpu_info:topology:sockets'])
 844                 if cpu_sockets is not None:
 845                     getattr(flavor, 'host_epa').cpu_socket_count = cpu_sockets
 846
 847             elif attr == 'capabilities:cpu_info:topology:cores':
 848                 cpu_cores = espec_utils.host.extra_spec_to_mano_cpu_core_count(flavor_info['extra_specs']['capabilities:cpu_info:topology:cores'])
 849                 if cpu_cores is not None:
 850                     getattr(flavor, 'host_epa').cpu_core_count = cpu_cores
 851
 852             elif attr == 'capabilities:cpu_info:topology:threads':
 853                 cpu_threads = espec_utils.host.extra_spec_to_mano_cpu_core_thread_count(flavor_info['extra_specs']['capabilities:cpu_info:topology:threads'])
 854                 if cpu_threads is not None:
 855                     getattr(flavor, 'host_epa').cpu_core_thread_count = cpu_threads
 856
 857             elif attr == 'capabilities:cpu_info:features':
 858                 cpu_features = espec_utils.host.extra_spec_to_mano_cpu_features(flavor_info['extra_specs']['capabilities:cpu_info:features'])
 859                 if cpu_features is not None:
 860                     for feature in cpu_features:
 861                         getattr(flavor, 'host_epa').cpu_feature.append(feature)
 862             elif attr.startswith('aggregate_instance_extra_specs:'):
 863                     aggregate = getattr(flavor, 'host_aggregate').add()
 864                     aggregate.metadata_key = ":".join(attr.split(':')[1::])
 865                     aggregate.metadata_value = flavor_info['extra_specs'][attr]
 866
 867     @staticmethod
 868     def _fill_flavor_info(flavor_info):
 869         """Create a GI object from flavor info dictionary
 870
 871         Converts Flavor information dictionary object returned by openstack
 872         driver into Protobuf Gi Object
 873
 874         Arguments:
 875             flavor_info: Flavor information from openstack
 876
 877         Returns:
 878              Object of class FlavorInfoItem
 879         """
 880         flavor = RwcalYang.FlavorInfoItem()
 881         flavor.name                       = flavor_info['name']
 882         flavor.id                         = flavor_info['id']
 883         RwcalOpenstackPlugin._fill_epa_attributes(flavor, flavor_info)
 884         return flavor
 885
 886
 887     @rwstatus(ret_on_failure=[[]])
 888     def do_get_flavor_list(self, account):
 889         """Return flavor information.
 890
 891         Arguments:
 892             account - a cloud account
 893
 894         Returns:
 895             List of flavors
 896         """
 897         response = RwcalYang.VimResources()
 898         with self._use_driver(account) as drv:
 899             flavors = drv.nova_flavor_list()
 900         for flv in flavors:
 901             response.flavorinfo_list.append(RwcalOpenstackPlugin._fill_flavor_info(flv))
 902         return response
 903
 904     @rwstatus(ret_on_failure=[None])
 905     def do_get_flavor(self, account, id):
 906         """Return flavor information.
 907
 908         Arguments:
 909             account - a cloud account
 910             id - an id for the flavor
 911
 912         Returns:
 913             Flavor info item
 914         """
 915         with self._use_driver(account) as drv:
 916             flavor = drv.nova_flavor_get(id)
 917         return RwcalOpenstackPlugin._fill_flavor_info(flavor)
 918
 919
 920     def _fill_network_info(self, network_info, account):
 921         """Create a GI object from network info dictionary
 922
 923         Converts Network information dictionary object returned by openstack
 924         driver into Protobuf Gi Object
 925
 926         Arguments:
 927             network_info - Network information from openstack
 928             account - a cloud account
 929
 930         Returns:
 931             Network info item
 932         """
 933         network                  = RwcalYang.NetworkInfoItem()
 934         network.network_name     = network_info['name']
 935         network.network_id       = network_info['id']
 936         if ('provider:network_type' in network_info) and (network_info['provider:network_type'] != None):
 937             network.provider_network.overlay_type = network_info['provider:network_type'].upper()
 938         if ('provider:segmentation_id' in network_info) and (network_info['provider:segmentation_id']):
 939             network.provider_network.segmentation_id = network_info['provider:segmentation_id']
 940         if ('provider:physical_network' in network_info) and (network_info['provider:physical_network']):
 941             network.provider_network.physical_network = network_info['provider:physical_network'].upper()
 942
 943         if 'subnets' in network_info and network_info['subnets']:
 944             subnet_id = network_info['subnets'][0]
 945             with self._use_driver(account) as drv:
 946                 subnet = drv.neutron_subnet_get(subnet_id)
 947             network.subnet = subnet['cidr']
 948         return network
 949
 950     @rwstatus(ret_on_failure=[[]])
 951     def do_get_network_list(self, account):
 952         """Return a list of networks
 953
 954         Arguments:
 955             account - a cloud account
 956
 957         Returns:
 958             List of networks
 959         """
 960         response = RwcalYang.VimResources()
 961         with self._use_driver(account) as drv:
 962             networks = drv.neutron_network_list()
 963         for network in networks:
 964             response.networkinfo_list.append(self._fill_network_info(network, account))
 965         return response
 966
 967     @rwstatus(ret_on_failure=[None])
 968     def do_get_network(self, account, id):
 969         """Return a network
 970
 971         Arguments:
 972             account - a cloud account
 973             id - an id for the network
 974
 975         Returns:
 976             Network info item
 977         """
 978         with self._use_driver(account) as drv:
 979             network = drv.neutron_network_get(id)
 980         return self._fill_network_info(network, account)
 981
 982     @rwstatus(ret_on_failure=[""])
 983     def do_create_network(self, account, network):
 984         """Create a new network
 985
 986         Arguments:
 987             account - a cloud account
 988             network - Network object
 989
 990         Returns:
 991             Network id
 992         """
 993         kwargs = {}
 994         kwargs['name']            = network.network_name
 995         kwargs['admin_state_up']  = True
 996         kwargs['external_router'] = False
 997         kwargs['shared']          = False
 998
 999         if network.has_field('provider_network'):
1000             if network.provider_network.has_field('physical_network'):
1001                 kwargs['physical_network'] = network.provider_network.physical_network
1002             if network.provider_network.has_field('overlay_type'):
1003                 kwargs['network_type'] = network.provider_network.overlay_type.lower()
1004             if network.provider_network.has_field('segmentation_id'):
1005                 kwargs['segmentation_id'] = network.provider_network.segmentation_id
1006
1007         with self._use_driver(account) as drv:
1008             network_id = drv.neutron_network_create(**kwargs)
1009             drv.neutron_subnet_create(network_id = network_id,
1010                                       cidr = network.subnet)
1011         return network_id
1012
1013     @rwstatus
1014     def do_delete_network(self, account, network_id):
1015         """Delete a network
1016
1017         Arguments:
1018             account - a cloud account
1019             network_id - an id for the network
1020         """
1021         with self._use_driver(account) as drv:
1022             drv.neutron_network_delete(network_id)
1023
1024     @staticmethod
1025     def _fill_port_info(port_info):
1026         """Create a GI object from port info dictionary
1027
1028         Converts Port information dictionary object returned by openstack
1029         driver into Protobuf Gi Object
1030
1031         Arguments:
1032             port_info - Port information from openstack
1033
1034         Returns:
1035             Port info item
1036         """
1037         port = RwcalYang.PortInfoItem()
1038
1039         port.port_name  = port_info['name']
1040         port.port_id    = port_info['id']
1041         port.network_id = port_info['network_id']
1042         port.port_state = port_info['status']
1043         if 'device_id' in port_info:
1044             port.vm_id = port_info['device_id']
1045         if 'fixed_ips' in port_info:
1046             port.ip_address = port_info['fixed_ips'][0]['ip_address']
1047         return port
1048
1049     @rwstatus(ret_on_failure=[None])
1050     def do_get_port(self, account, port_id):
1051         """Return a port
1052
1053         Arguments:
1054             account - a cloud account
1055             port_id - an id for the port
1056
1057         Returns:
1058             Port info item
1059         """
1060         with self._use_driver(account) as drv:
1061             port = drv.neutron_port_get(port_id)
1062
1063         return RwcalOpenstackPlugin._fill_port_info(port)
1064
1065     @rwstatus(ret_on_failure=[[]])
1066     def do_get_port_list(self, account):
1067         """Return a list of ports
1068
1069         Arguments:
1070             account - a cloud account
1071
1072         Returns:
1073             Port info list
1074         """
1075         response = RwcalYang.VimResources()
1076         with self._use_driver(account) as drv:
1077             ports = drv.neutron_port_list(*{})
1078         for port in ports:
1079             response.portinfo_list.append(RwcalOpenstackPlugin._fill_port_info(port))
1080         return response
1081
1082     @rwstatus(ret_on_failure=[""])
1083     def do_create_port(self, account, port):
1084         """Create a new port
1085
1086         Arguments:
1087             account - a cloud account
1088             port - port object
1089
1090         Returns:
1091             Port id
1092         """
1093         kwargs = {}
1094         kwargs['name'] = port.port_name
1095         kwargs['network_id'] = port.network_id
1096         kwargs['admin_state_up'] = True
1097         if port.has_field('vm_id'):
1098             kwargs['vm_id'] = port.vm_id
1099         if port.has_field('port_type'):
1100             kwargs['port_type'] = port.port_type
1101         else:
1102             kwargs['port_type'] = "normal"
1103
1104         with self._use_driver(account) as drv:
1105             return drv.neutron_port_create(**kwargs)
1106
1107     @rwstatus
1108     def do_delete_port(self, account, port_id):
1109         """Delete a port
1110
1111         Arguments:
1112             account - a cloud account
1113             port_id - an id for port
1114         """
1115         with self._use_driver(account) as drv:
1116             drv.neutron_port_delete(port_id)
1117
1118     @rwstatus(ret_on_failure=[""])
1119     def do_add_host(self, account, host):
1120         """Add a new host
1121
1122         Arguments:
1123             account - a cloud account
1124             host - a host object
1125
1126         Returns:
1127             An id for the host
1128         """
1129         raise NotImplementedError
1130
1131     @rwstatus
1132     def do_remove_host(self, account, host_id):
1133         """Remove a host
1134
1135         Arguments:
1136             account - a cloud account
1137             host_id - an id for the host
1138         """
1139         raise NotImplementedError
1140
1141     @rwstatus(ret_on_failure=[None])
1142     def do_get_host(self, account, host_id):
1143         """Return a host
1144
1145         Arguments:
1146             account - a cloud account
1147             host_id - an id for host
1148
1149         Returns:
1150             Host info item
1151         """
1152         raise NotImplementedError
1153
1154     @rwstatus(ret_on_failure=[[]])
1155     def do_get_host_list(self, account):
1156         """Return a list of hosts
1157
1158         Arguments:
1159             account - a cloud account
1160
1161         Returns:
1162             List of hosts
1163         """
1164         raise NotImplementedError
1165
1166     @staticmethod
1167     def _fill_connection_point_info(c_point, port_info):
1168         """Create a GI object for RwcalYang.VDUInfoParams_ConnectionPoints()
1169
1170         Converts Port information dictionary object returned by openstack
1171         driver into Protobuf Gi Object
1172
1173         Arguments:
1174             port_info - Port information from openstack
1175         Returns:
1176             Protobuf Gi object for RwcalYang.VDUInfoParams_ConnectionPoints
1177         """
1178         c_point.name = port_info['name']
1179         c_point.connection_point_id = port_info['id']
1180         if ('fixed_ips' in port_info) and (len(port_info['fixed_ips']) >= 1):
1181             if 'ip_address' in port_info['fixed_ips'][0]:
1182                 c_point.ip_address = port_info['fixed_ips'][0]['ip_address']
1183         if port_info['status'] == 'ACTIVE':
1184             c_point.state = 'active'
1185         else:
1186             c_point.state = 'inactive'
1187         if 'network_id' in port_info:
1188             c_point.virtual_link_id = port_info['network_id']
1189         if ('device_id' in port_info) and (port_info['device_id']):
1190             c_point.vdu_id = port_info['device_id']
1191
1192     @staticmethod
1193     def _fill_virtual_link_info(network_info, port_list, subnet):
1194         """Create a GI object for VirtualLinkInfoParams
1195
1196         Converts Network and Port information dictionary object
1197         returned by openstack driver into Protobuf Gi Object
1198
1199         Arguments:
1200             network_info - Network information from openstack
1201             port_list - A list of port information from openstack
1202             subnet: Subnet information from openstack
1203         Returns:
1204             Protobuf Gi object for VirtualLinkInfoParams
1205         """
1206         link = RwcalYang.VirtualLinkInfoParams()
1207         link.name  = network_info['name']
1208         if network_info['status'] == 'ACTIVE':
1209             link.state = 'active'
1210         else:
1211             link.state = 'inactive'
1212         link.virtual_link_id = network_info['id']
1213         for port in port_list:
1214             if port['device_owner'] == 'compute:None':
1215                 c_point = link.connection_points.add()
1216                 RwcalOpenstackPlugin._fill_connection_point_info(c_point, port)
1217
1218         if subnet != None:
1219             link.subnet = subnet['cidr']
1220
1221         if ('provider:network_type' in network_info) and (network_info['provider:network_type'] != None):
1222             link.provider_network.overlay_type = network_info['provider:network_type'].upper()
1223         if ('provider:segmentation_id' in network_info) and (network_info['provider:segmentation_id']):
1224             link.provider_network.segmentation_id = network_info['provider:segmentation_id']
1225         if ('provider:physical_network' in network_info) and (network_info['provider:physical_network']):
1226             link.provider_network.physical_network = network_info['provider:physical_network'].upper()
1227
1228         return link
1229
1230     @staticmethod
1231     def _fill_vdu_info(vm_info, flavor_info, mgmt_network, port_list, server_group, volume_list = None):
1232         """Create a GI object for VDUInfoParams
1233
1234         Converts VM information dictionary object returned by openstack
1235         driver into Protobuf Gi Object
1236
1237         Arguments:
1238             vm_info - VM information from openstack
1239             flavor_info - VM Flavor information from openstack
1240             mgmt_network - Management network
1241             port_list - A list of port information from openstack
1242             server_group - A list (with one element or empty list) of server group to which this VM belongs
1243         Returns:
1244             Protobuf Gi object for VDUInfoParams
1245         """
1246         vdu = RwcalYang.VDUInfoParams()
1247         vdu.name = vm_info['name']
1248         vdu.vdu_id = vm_info['id']
1249         for network_name, network_info in vm_info['addresses'].items():
1250             if network_info and network_name == mgmt_network:
1251                 for interface in network_info:
1252                     if 'OS-EXT-IPS:type' in interface:
1253                         if interface['OS-EXT-IPS:type'] == 'fixed':
1254                             vdu.management_ip = interface['addr']
1255                         elif interface['OS-EXT-IPS:type'] == 'floating':
1256                             vdu.public_ip = interface['addr']
1257
1258         # Look for any metadata
1259         for key, value in vm_info['metadata'].items():
1260             if key == 'node_id':
1261                 vdu.node_id = value
1262         if ('image' in vm_info) and ('id' in vm_info['image']):
1263             vdu.image_id = vm_info['image']['id']
1264         if ('flavor' in vm_info) and ('id' in vm_info['flavor']):
1265             vdu.flavor_id = vm_info['flavor']['id']
1266
1267         if vm_info['status'] == 'ACTIVE':
1268             vdu.state = 'active'
1269         elif vm_info['status'] == 'ERROR':
1270             vdu.state = 'failed'
1271         else:
1272             vdu.state = 'inactive'
1273
1274         if 'availability_zone' in vm_info:
1275             vdu.availability_zone = vm_info['availability_zone']
1276
1277         if server_group:
1278             vdu.server_group.name = server_group[0]
1279
1280         vdu.cloud_type  = 'openstack'
1281         # Fill the port information
1282         for port in port_list:
1283             c_point = vdu.connection_points.add()
1284             RwcalOpenstackPlugin._fill_connection_point_info(c_point, port)
1285
1286         if flavor_info is not None:
1287             RwcalOpenstackPlugin._fill_epa_attributes(vdu, flavor_info)
1288
1289         # Fill the volume information
1290         if volume_list is not None:
1291             for os_volume in volume_list:
1292                 volr = vdu.volumes.add()
1293                 try:
1294                    " Device name is of format /dev/vda"
1295                    vol_name = (os_volume['device']).split('/')[2]
1296                 except:
1297                    continue
1298                 volr.name = vol_name
1299                 volr.volume_id = os_volume['volumeId']
1300
1301         return vdu
1302
1303     @rwcalstatus(ret_on_failure=[""])
1304     def do_create_virtual_link(self, account, link_params):
1305         """Create a new virtual link
1306
1307         Arguments:
1308             account     - a cloud account
1309             link_params - information that defines the type of VDU to create
1310
1311         Returns:
1312             The vdu_id
1313         """
1314         kwargs = {}
1315         kwargs['name']            = link_params.name
1316         kwargs['admin_state_up']  = True
1317         kwargs['external_router'] = False
1318         kwargs['shared']          = False
1319
1320         if link_params.has_field('provider_network'):
1321             if link_params.provider_network.has_field('physical_network'):
1322                 kwargs['physical_network'] = link_params.provider_network.physical_network
1323             if link_params.provider_network.has_field('overlay_type'):
1324                 kwargs['network_type'] = link_params.provider_network.overlay_type.lower()
1325             if link_params.provider_network.has_field('segmentation_id'):
1326                 kwargs['segmentation_id'] = link_params.provider_network.segmentation_id
1327
1328
1329         with self._use_driver(account) as drv:
1330             try:
1331                 network_id = drv.neutron_network_create(**kwargs)
1332             except Exception as e:
1333                 self.log.error("Encountered exceptions during network creation. Exception: %s", str(e))
1334                 raise
1335
1336             kwargs = {'network_id' : network_id,
1337                       'dhcp_params': {'enable_dhcp': True},
1338                       'gateway_ip' : None,}
1339
1340             if link_params.ip_profile_params.has_field('ip_version'):
1341                 kwargs['ip_version'] = 6 if link_params.ip_profile_params.ip_version == 'ipv6' else 4
1342             else:
1343                 kwargs['ip_version'] = 4
1344
1345             if link_params.ip_profile_params.has_field('subnet_address'):
1346                 kwargs['cidr'] = link_params.ip_profile_params.subnet_address
1347             elif link_params.ip_profile_params.has_field('subnet_prefix_pool'):
1348                 subnet_pool = drv.netruon_subnetpool_by_name(link_params.ip_profile_params.subnet_prefix_pool)
1349                 if subnet_pool is None:
1350                     self.log.error("Could not find subnet pool with name :%s to be used for network: %s",
1351                                    link_params.ip_profile_params.subnet_prefix_pool,
1352                                    link_params.name)
1353                     raise NeutronException.NotFound("SubnetPool with name %s not found"%(link_params.ip_profile_params.subnet_prefix_pool))
1354
1355                 kwargs['subnetpool_id'] = subnet_pool['id']
1356             elif link_params.has_field('subnet'):
1357                 kwargs['cidr'] = link_params.subnet
1358             else:
1359                 assert 0, "No IP Prefix or Pool name specified"
1360
1361             if link_params.ip_profile_params.has_field('dhcp_params'):
1362                 if link_params.ip_profile_params.dhcp_params.has_field('enabled'):
1363                     kwargs['dhcp_params']['enable_dhcp'] = link_params.ip_profile_params.dhcp_params.enabled
1364                 if link_params.ip_profile_params.dhcp_params.has_field('start_address'):
1365                     kwargs['dhcp_params']['start_address']  = link_params.ip_profile_params.dhcp_params.start_address
1366                 if link_params.ip_profile_params.dhcp_params.has_field('count'):
1367                     kwargs['dhcp_params']['count']  = link_params.ip_profile_params.dhcp_params.count
1368
1369             if link_params.ip_profile_params.has_field('dns_server'):
1370                 kwargs['dns_server'] = []
1371                 for server in link_params.ip_profile_params.dns_server:
1372                     kwargs['dns_server'].append(server.address)
1373
1374             if link_params.ip_profile_params.has_field('gateway_address'):
1375                 kwargs['gateway_ip'] = link_params.ip_profile_params.gateway_address
1376
1377             drv.neutron_subnet_create(**kwargs)
1378
1379         return network_id
1380
1381
1382     @rwstatus
1383     def do_delete_virtual_link(self, account, link_id):
1384         """Delete a virtual link
1385
1386         Arguments:
1387             account - a cloud account
1388             link_id - id for the virtual-link to be deleted
1389
1390         Returns:
1391             None
1392         """
1393         if not link_id:
1394             self.log.error("Empty link_id during the virtual link deletion")
1395             raise Exception("Empty link_id during the virtual link deletion")
1396
1397         with self._use_driver(account) as drv:
1398             port_list = drv.neutron_port_list(**{'network_id': link_id})
1399
1400         for port in port_list:
1401             if ((port['device_owner'] == 'compute:None') or (port['device_owner'] == '')):
1402                 self.do_delete_port(account, port['id'], no_rwstatus=True)
1403         self.do_delete_network(account, link_id, no_rwstatus=True)
1404
1405     @rwstatus(ret_on_failure=[None])
1406     def do_get_virtual_link(self, account, link_id):
1407         """Get information about virtual link.
1408
1409         Arguments:
1410             account  - a cloud account
1411             link_id  - id for the virtual-link
1412
1413         Returns:
1414             Object of type RwcalYang.VirtualLinkInfoParams
1415         """
1416         if not link_id:
1417             self.log.error("Empty link_id during the virtual link get request")
1418             raise Exception("Empty link_id during the virtual link get request")
1419
1420         with self._use_driver(account) as drv:
1421             network = drv.neutron_network_get(link_id)
1422             if network:
1423                 port_list = drv.neutron_port_list(**{'network_id': network['id']})
1424                 if 'subnets' in network:
1425                     subnet = drv.neutron_subnet_get(network['subnets'][0])
1426                 else:
1427                     subnet = None
1428                 virtual_link = RwcalOpenstackPlugin._fill_virtual_link_info(network, port_list, subnet)
1429             else:
1430                 virtual_link = None
1431             return virtual_link
1432
1433     @rwstatus(ret_on_failure=[None])
1434     def do_get_virtual_link_list(self, account):
1435         """Get information about all the virtual links
1436
1437         Arguments:
1438             account  - a cloud account
1439
1440         Returns:
1441             A list of objects of type RwcalYang.VirtualLinkInfoParams
1442         """
1443         vnf_resources = RwcalYang.VNFResources()
1444         with self._use_driver(account) as drv:
1445             networks = drv.neutron_network_list()
1446             for network in networks:
1447                 port_list = drv.neutron_port_list(**{'network_id': network['id']})
1448                 if ('subnets' in network) and (network['subnets']):
1449                     subnet = drv.neutron_subnet_get(network['subnets'][0])
1450                 else:
1451                     subnet = None
1452                 virtual_link = RwcalOpenstackPlugin._fill_virtual_link_info(network, port_list, subnet)
1453                 vnf_resources.virtual_link_info_list.append(virtual_link)
1454             return vnf_resources
1455
1456     def _create_connection_point(self, account, c_point):
1457         """
1458         Create a connection point
1459         Arguments:
1460            account  - a cloud account
1461            c_point  - connection_points
1462         """
1463         kwargs = {}
1464         kwargs['name'] = c_point.name
1465         kwargs['network_id'] = c_point.virtual_link_id
1466         kwargs['admin_state_up'] = True
1467
1468         if c_point.type_yang == 'VIRTIO' or c_point.type_yang == 'E1000':
1469             kwargs['port_type'] = 'normal'
1470         elif c_point.type_yang == 'SR_IOV':
1471             kwargs['port_type'] = 'direct'
1472         else:
1473             raise NotImplementedError("Port Type: %s not supported" %(c_point.type_yang))
1474
1475         with self._use_driver(account) as drv:
1476             if c_point.has_field('security_group'):
1477                 group = drv.neutron_security_group_by_name(c_point.security_group)
1478                 if group is not None:
1479                     kwargs['security_groups'] = [group['id']]
1480             return drv.neutron_port_create(**kwargs)
1481
1482     def _allocate_floating_ip(self, drv, pool_name):
1483         """
1484         Allocate a floating_ip. If unused floating_ip exists then its reused.
1485         Arguments:
1486           drv:       OpenstackDriver instance
1487           pool_name: Floating IP pool name
1488
1489         Returns:
1490           An object of floating IP nova class (novaclient.v2.floating_ips.FloatingIP)
1491         """
1492
1493         # available_ip = [ ip for ip in drv.nova_floating_ip_list() if ip.instance_id == None ]
1494
1495         # if pool_name is not None:
1496         #     ### Filter further based on IP address
1497         #     available_ip = [ ip for ip in available_ip if ip.pool == pool_name ]
1498
1499         # if not available_ip:
1500         #     floating_ip = drv.nova_floating_ip_create(pool_name)
1501         # else:
1502         #     floating_ip = available_ip[0]
1503
1504         floating_ip = drv.nova_floating_ip_create(pool_name)
1505         return floating_ip
1506
1507     def _match_vm_flavor(self, required, available):
1508         self.log.info("Matching VM Flavor attributes")
1509         if available.vcpu_count != required.vcpu_count:
1510             self.log.debug("VCPU requirement mismatch. Required: %d, Available: %d",
1511                             required.vcpu_count,
1512                             available.vcpu_count)
1513             return False
1514         if available.memory_mb != required.memory_mb:
1515             self.log.debug("Memory requirement mismatch. Required: %d MB, Available: %d MB",
1516                             required.memory_mb,
1517                             available.memory_mb)
1518             return False
1519         if available.storage_gb != required.storage_gb:
1520             self.log.debug("Storage requirement mismatch. Required: %d GB, Available: %d GB",
1521                             required.storage_gb,
1522                             available.storage_gb)
1523             return False
1524         self.log.debug("VM Flavor match found")
1525         return True
1526
1527     def _match_guest_epa(self, required, available):
1528         self.log.info("Matching Guest EPA attributes")
1529         if required.has_field('pcie_device'):
1530             self.log.debug("Matching pcie_device")
1531             if available.has_field('pcie_device') == False:
1532                 self.log.debug("Matching pcie_device failed. Not available in flavor")
1533                 return False
1534             else:
1535                 for dev in required.pcie_device:
1536                     if not [ d for d in available.pcie_device
1537                              if ((d.device_id == dev.device_id) and (d.count == dev.count)) ]:
1538                         self.log.debug("Matching pcie_device failed. Required: %s, Available: %s", required.pcie_device, available.pcie_device)
1539                         return False
1540         elif available.has_field('pcie_device'):
1541             self.log.debug("Rejecting available flavor because pcie_device not required but available")
1542             return False
1543
1544
1545         if required.has_field('mempage_size'):
1546             self.log.debug("Matching mempage_size")
1547             if available.has_field('mempage_size') == False:
1548                 self.log.debug("Matching mempage_size failed. Not available in flavor")
1549                 return False
1550             else:
1551                 if required.mempage_size != available.mempage_size:
1552                     self.log.debug("Matching mempage_size failed. Required: %s, Available: %s", required.mempage_size, available.mempage_size)
1553                     return False
1554         elif available.has_field('mempage_size'):
1555             self.log.debug("Rejecting available flavor because mempage_size not required but available")
1556             return False
1557
1558         if required.has_field('cpu_pinning_policy'):
1559             self.log.debug("Matching cpu_pinning_policy")
1560             if required.cpu_pinning_policy != 'ANY':
1561                 if available.has_field('cpu_pinning_policy') == False:
1562                     self.log.debug("Matching cpu_pinning_policy failed. Not available in flavor")
1563                     return False
1564                 else:
1565                     if required.cpu_pinning_policy != available.cpu_pinning_policy:
1566                         self.log.debug("Matching cpu_pinning_policy failed. Required: %s, Available: %s", required.cpu_pinning_policy, available.cpu_pinning_policy)
1567                         return False
1568         elif available.has_field('cpu_pinning_policy'):
1569             self.log.debug("Rejecting available flavor because cpu_pinning_policy not required but available")
1570             return False
1571
1572         if required.has_field('cpu_thread_pinning_policy'):
1573             self.log.debug("Matching cpu_thread_pinning_policy")
1574             if available.has_field('cpu_thread_pinning_policy') == False:
1575                 self.log.debug("Matching cpu_thread_pinning_policy failed. Not available in flavor")
1576                 return False
1577             else:
1578                 if required.cpu_thread_pinning_policy != available.cpu_thread_pinning_policy:
1579                     self.log.debug("Matching cpu_thread_pinning_policy failed. Required: %s, Available: %s", required.cpu_thread_pinning_policy, available.cpu_thread_pinning_policy)
1580                     return False
1581         elif available.has_field('cpu_thread_pinning_policy'):
1582             self.log.debug("Rejecting available flavor because cpu_thread_pinning_policy not required but available")
1583             return False
1584
1585         if required.has_field('trusted_execution'):
1586             self.log.debug("Matching trusted_execution")
1587             if required.trusted_execution == True:
1588                 if available.has_field('trusted_execution') == False:
1589                     self.log.debug("Matching trusted_execution failed. Not available in flavor")
1590                     return False
1591                 else:
1592                     if required.trusted_execution != available.trusted_execution:
1593                         self.log.debug("Matching trusted_execution failed. Required: %s, Available: %s", required.trusted_execution, available.trusted_execution)
1594                         return False
1595         elif available.has_field('trusted_execution'):
1596             self.log.debug("Rejecting available flavor because trusted_execution not required but available")
1597             return False
1598
1599         if required.has_field('numa_node_policy'):
1600             self.log.debug("Matching numa_node_policy")
1601             if available.has_field('numa_node_policy') == False:
1602                 self.log.debug("Matching numa_node_policy failed. Not available in flavor")
1603                 return False
1604             else:
1605                 if required.numa_node_policy.has_field('node_cnt'):
1606                     self.log.debug("Matching numa_node_policy node_cnt")
1607                     if available.numa_node_policy.has_field('node_cnt') == False:
1608                         self.log.debug("Matching numa_node_policy node_cnt failed. Not available in flavor")
1609                         return False
1610                     else:
1611                         if required.numa_node_policy.node_cnt != available.numa_node_policy.node_cnt:
1612                             self.log.debug("Matching numa_node_policy node_cnt failed. Required: %s, Available: %s",required.numa_node_policy.node_cnt, available.numa_node_policy.node_cnt)
1613                             return False
1614                 elif available.numa_node_policy.has_field('node_cnt'):
1615                     self.log.debug("Rejecting available flavor because numa node count not required but available")
1616                     return False
1617
1618                 if required.numa_node_policy.has_field('mem_policy'):
1619                     self.log.debug("Matching numa_node_policy mem_policy")
1620                     if available.numa_node_policy.has_field('mem_policy') == False:
1621                         self.log.debug("Matching numa_node_policy mem_policy failed. Not available in flavor")
1622                         return False
1623                     else:
1624                         if required.numa_node_policy.mem_policy != available.numa_node_policy.mem_policy:
1625                             self.log.debug("Matching numa_node_policy mem_policy failed. Required: %s, Available: %s", required.numa_node_policy.mem_policy, available.numa_node_policy.mem_policy)
1626                             return False
1627                 elif available.numa_node_policy.has_field('mem_policy'):
1628                     self.log.debug("Rejecting available flavor because num node mem_policy not required but available")
1629                     return False
1630
1631                 if required.numa_node_policy.has_field('node'):
1632                     self.log.debug("Matching numa_node_policy nodes configuration")
1633                     if available.numa_node_policy.has_field('node') == False:
1634                         self.log.debug("Matching numa_node_policy nodes configuration failed. Not available in flavor")
1635                         return False
1636                     for required_node in required.numa_node_policy.node:
1637                         self.log.debug("Matching numa_node_policy nodes configuration for node %s", required_node)
1638                         numa_match = False
1639                         for available_node in available.numa_node_policy.node:
1640                             if required_node.id != available_node.id:
1641                                 self.log.debug("Matching numa_node_policy nodes configuration failed. Required: %s, Available: %s", required_node, available_node)
1642                                 continue
1643                             if required_node.vcpu != available_node.vcpu:
1644                                 self.log.debug("Matching numa_node_policy nodes configuration failed. Required: %s, Available: %s", required_node, available_node)
1645                                 continue
1646                             if required_node.memory_mb != available_node.memory_mb:
1647                                 self.log.debug("Matching numa_node_policy nodes configuration failed. Required: %s, Available: %s", required_node, available_node)
1648                                 continue
1649                             numa_match = True
1650                         if numa_match == False:
1651                             return False
1652                 elif available.numa_node_policy.has_field('node'):
1653                     self.log.debug("Rejecting available flavor because numa nodes not required but available")
1654                     return False
1655         elif available.has_field('numa_node_policy'):
1656             self.log.debug("Rejecting available flavor because numa_node_policy not required but available")
1657             return False
1658         self.log.info("Successful match for Guest EPA attributes")
1659         return True
1660
1661     def _match_vswitch_epa(self, required, available):
1662         self.log.debug("VSwitch EPA match found")
1663         return True
1664
1665     def _match_hypervisor_epa(self, required, available):
1666         self.log.debug("Hypervisor EPA match found")
1667         return True
1668
1669     def _match_host_epa(self, required, available):
1670         self.log.info("Matching Host EPA attributes")
1671         if required.has_field('cpu_model'):
1672             self.log.debug("Matching CPU model")
1673             if available.has_field('cpu_model') == False:
1674                 self.log.debug("Matching CPU model failed. Not available in flavor")
1675                 return False
1676             else:
1677                 #### Convert all PREFER to REQUIRE since flavor will only have REQUIRE attributes
1678                 if required.cpu_model.replace('PREFER', 'REQUIRE') != available.cpu_model:
1679                     self.log.debug("Matching CPU model failed. Required: %s, Available: %s", required.cpu_model, available.cpu_model)
1680                     return False
1681         elif available.has_field('cpu_model'):
1682             self.log.debug("Rejecting available flavor because cpu_model not required but available")
1683             return False
1684
1685         if required.has_field('cpu_arch'):
1686             self.log.debug("Matching CPU architecture")
1687             if available.has_field('cpu_arch') == False:
1688                 self.log.debug("Matching CPU architecture failed. Not available in flavor")
1689                 return False
1690             else:
1691                 #### Convert all PREFER to REQUIRE since flavor will only have REQUIRE attributes
1692                 if required.cpu_arch.replace('PREFER', 'REQUIRE') != available.cpu_arch:
1693                     self.log.debug("Matching CPU architecture failed. Required: %s, Available: %s", required.cpu_arch, available.cpu_arch)
1694                     return False
1695         elif available.has_field('cpu_arch'):
1696             self.log.debug("Rejecting available flavor because cpu_arch not required but available")
1697             return False
1698
1699         if required.has_field('cpu_vendor'):
1700             self.log.debug("Matching CPU vendor")
1701             if available.has_field('cpu_vendor') == False:
1702                 self.log.debug("Matching CPU vendor failed. Not available in flavor")
1703                 return False
1704             else:
1705                 #### Convert all PREFER to REQUIRE since flavor will only have REQUIRE attributes
1706                 if required.cpu_vendor.replace('PREFER', 'REQUIRE') != available.cpu_vendor:
1707                     self.log.debug("Matching CPU vendor failed. Required: %s, Available: %s", required.cpu_vendor, available.cpu_vendor)
1708                     return False
1709         elif available.has_field('cpu_vendor'):
1710             self.log.debug("Rejecting available flavor because cpu_vendor not required but available")
1711             return False
1712
1713         if required.has_field('cpu_socket_count'):
1714             self.log.debug("Matching CPU socket count")
1715             if available.has_field('cpu_socket_count') == False:
1716                 self.log.debug("Matching CPU socket count failed. Not available in flavor")
1717                 return False
1718             else:
1719                 if required.cpu_socket_count != available.cpu_socket_count:
1720                     self.log.debug("Matching CPU socket count failed. Required: %s, Available: %s", required.cpu_socket_count, available.cpu_socket_count)
1721                     return False
1722         elif available.has_field('cpu_socket_count'):
1723             self.log.debug("Rejecting available flavor because cpu_socket_count not required but available")
1724             return False
1725
1726         if required.has_field('cpu_core_count'):
1727             self.log.debug("Matching CPU core count")
1728             if available.has_field('cpu_core_count') == False:
1729                 self.log.debug("Matching CPU core count failed. Not available in flavor")
1730                 return False
1731             else:
1732                 if required.cpu_core_count != available.cpu_core_count:
1733                     self.log.debug("Matching CPU core count failed. Required: %s, Available: %s", required.cpu_core_count, available.cpu_core_count)
1734                     return False
1735         elif available.has_field('cpu_core_count'):
1736             self.log.debug("Rejecting available flavor because cpu_core_count not required but available")
1737             return False
1738
1739         if required.has_field('cpu_core_thread_count'):
1740             self.log.debug("Matching CPU core thread count")
1741             if available.has_field('cpu_core_thread_count') == False:
1742                 self.log.debug("Matching CPU core thread count failed. Not available in flavor")
1743                 return False
1744             else:
1745                 if required.cpu_core_thread_count != available.cpu_core_thread_count:
1746                     self.log.debug("Matching CPU core thread count failed. Required: %s, Available: %s", required.cpu_core_thread_count, available.cpu_core_thread_count)
1747                     return False
1748         elif available.has_field('cpu_core_thread_count'):
1749             self.log.debug("Rejecting available flavor because cpu_core_thread_count not required but available")
1750             return False
1751
1752         if required.has_field('cpu_feature'):
1753             self.log.debug("Matching CPU feature list")
1754             if available.has_field('cpu_feature') == False:
1755                 self.log.debug("Matching CPU feature list failed. Not available in flavor")
1756                 return False
1757             else:
1758                 for feature in required.cpu_feature:
1759                     if feature not in available.cpu_feature:
1760                         self.log.debug("Matching CPU feature list failed. Required feature: %s is not present. Available features: %s", feature, available.cpu_feature)
1761                         return False
1762         elif available.has_field('cpu_feature'):
1763             self.log.debug("Rejecting available flavor because cpu_feature not required but available")
1764             return False
1765         self.log.info("Successful match for Host EPA attributes")
1766         return True
1767
1768
1769     def _match_placement_group_inputs(self, required, available):
1770         self.log.info("Matching Host aggregate attributes")
1771
1772         if not required and not available:
1773             # Host aggregate not required and not available => success
1774             self.log.info("Successful match for Host Aggregate attributes")
1775             return True
1776         if required and available:
1777             # Host aggregate requested and available => Do a match and decide
1778             xx = [ x.as_dict() for x in required ]
1779             yy = [ y.as_dict() for y in available ]
1780             for i in xx:
1781                 if i not in yy:
1782                     self.log.debug("Rejecting available flavor because host Aggregate mismatch. Required: %s, Available: %s ", required, available)
1783                     return False
1784             self.log.info("Successful match for Host Aggregate attributes")
1785             return True
1786         else:
1787             # Either of following conditions => Failure
1788             #  - Host aggregate required but not available
1789             #  - Host aggregate not required but available
1790             self.log.debug("Rejecting available flavor because host Aggregate mismatch. Required: %s, Available: %s ", required, available)
1791             return False
1792
1793     def match_epa_params(self, resource_info, request_params):
1794         result = self._match_vm_flavor(getattr(request_params, 'vm_flavor'),
1795                                        getattr(resource_info, 'vm_flavor'))
1796         if result == False:
1797             self.log.debug("VM Flavor mismatched")
1798             return False
1799
1800         result = self._match_guest_epa(getattr(request_params, 'guest_epa'),
1801                                        getattr(resource_info, 'guest_epa'))
1802         if result == False:
1803             self.log.debug("Guest EPA mismatched")
1804             return False
1805
1806         result = self._match_vswitch_epa(getattr(request_params, 'vswitch_epa'),
1807                                          getattr(resource_info, 'vswitch_epa'))
1808         if result == False:
1809             self.log.debug("Vswitch EPA mismatched")
1810             return False
1811
1812         result = self._match_hypervisor_epa(getattr(request_params, 'hypervisor_epa'),
1813                                             getattr(resource_info, 'hypervisor_epa'))
1814         if result == False:
1815             self.log.debug("Hypervisor EPA mismatched")
1816             return False
1817
1818         result = self._match_host_epa(getattr(request_params, 'host_epa'),
1819                                       getattr(resource_info, 'host_epa'))
1820         if result == False:
1821             self.log.debug("Host EPA mismatched")
1822             return False
1823
1824         result = self._match_placement_group_inputs(getattr(request_params, 'host_aggregate'),
1825                                                     getattr(resource_info, 'host_aggregate'))
1826
1827         if result == False:
1828             self.log.debug("Host Aggregate mismatched")
1829             return False
1830
1831         return True
1832
1833     def _select_resource_flavor(self, account, vdu_init):
1834         """
1835             Select a existing flavor if it matches the request or create new flavor
1836         """
1837         flavor = RwcalYang.FlavorInfoItem()
1838         flavor.name = str(uuid.uuid4())
1839         epa_types = ['vm_flavor', 'guest_epa', 'host_epa', 'host_aggregate', 'hypervisor_epa', 'vswitch_epa']
1840         epa_dict = {k: v for k, v in vdu_init.as_dict().items() if k in epa_types}
1841         flavor.from_dict(epa_dict)
1842
1843         rc, response = self.do_get_flavor_list(account)
1844         if rc != RwTypes.RwStatus.SUCCESS:
1845             self.log.error("Get-flavor-info-list operation failed for cloud account: %s",
1846                         account.name)
1847             raise OpenstackCALOperationFailure("Get-flavor-info-list operation failed for cloud account: %s" %(account.name))
1848
1849         flavor_id = None
1850         flavor_list = response.flavorinfo_list
1851         self.log.debug("Received %d flavor information from RW.CAL", len(flavor_list))
1852         for flv in flavor_list:
1853             self.log.info("Attempting to match compute requirement for VDU: %s with flavor %s",
1854                        vdu_init.name, flv)
1855             if self.match_epa_params(flv, vdu_init):
1856                 self.log.info("Flavor match found for compute requirements for VDU: %s with flavor name: %s, flavor-id: %s",
1857                            vdu_init.name, flv.name, flv.id)
1858                 return flv.id
1859
1860         if account.openstack.dynamic_flavor_support is False:
1861             self.log.error("Unable to create flavor for compute requirement for VDU: %s. VDU instantiation failed", vdu_init.name)
1862             raise OpenstackCALOperationFailure("No resource available with matching EPA attributes")
1863         else:
1864             rc,flavor_id = self.do_create_flavor(account,flavor)
1865             if rc != RwTypes.RwStatus.SUCCESS:
1866                 self.log.error("Create-flavor operation failed for cloud account: %s",
1867                         account.name)
1868                 raise OpenstackCALOperationFailure("Create-flavor operation failed for cloud account: %s" %(account.name))
1869             return flavor_id
1870
1871     def _create_vm(self, account, vduinfo, pci_assignement=None, server_group=None, port_list=None, network_list=None, imageinfo_list=None):
1872         """Create a new virtual machine.
1873
1874         Arguments:
1875             account - a cloud account
1876             vminfo - information that defines the type of VM to create
1877
1878         Returns:
1879             The image id
1880         """
1881         kwargs = {}
1882         kwargs['name']      = vduinfo.name
1883         kwargs['flavor_id'] = vduinfo.flavor_id
1884         if vduinfo.has_field('image_id'):
1885             kwargs['image_id']  = vduinfo.image_id
1886         else:
1887             kwargs['image_id']  = ""
1888
1889         with self._use_driver(account) as drv:
1890             ### If floating_ip is required and we don't have one, better fail before any further allocation
1891             if vduinfo.has_field('allocate_public_address') and vduinfo.allocate_public_address:
1892                 if account.openstack.has_field('floating_ip_pool'):
1893                     pool_name = account.openstack.floating_ip_pool
1894                 else:
1895                     pool_name = None
1896                 floating_ip = self._allocate_floating_ip(drv, pool_name)
1897             else:
1898                 floating_ip = None
1899
1900         if vduinfo.has_field('vdu_init') and vduinfo.vdu_init.has_field('userdata'):
1901             kwargs['userdata'] = vduinfo.vdu_init.userdata
1902         else:
1903             kwargs['userdata'] = ''
1904
1905         if account.openstack.security_groups:
1906             kwargs['security_groups'] = account.openstack.security_groups
1907
1908         kwargs['port_list'] = port_list
1909         kwargs['network_list'] = network_list
1910
1911         metadata = {}
1912         # Add all metadata related fields
1913         if vduinfo.has_field('node_id'):
1914             metadata['node_id'] = vduinfo.node_id
1915         if pci_assignement is not None:
1916             metadata['pci_assignement'] = pci_assignement
1917         kwargs['metadata'] = metadata
1918
1919         if vduinfo.has_field('availability_zone') and vduinfo.availability_zone.has_field('name'):
1920             kwargs['availability_zone']  = vduinfo.availability_zone
1921         else:
1922             kwargs['availability_zone'] = None
1923
1924         if server_group is not None:
1925             kwargs['scheduler_hints'] = {'group': server_group}
1926         else:
1927             kwargs['scheduler_hints'] = None
1928
1929         kwargs['block_device_mapping_v2'] = None
1930         if vduinfo.has_field('volumes') :
1931             kwargs['block_device_mapping_v2'] = []
1932             with self._use_driver(account) as drv:
1933             # Only support image->volume
1934                 for volume in vduinfo.volumes:
1935                     block_map = dict()
1936                     block_map['boot_index'] = volume.boot_params.boot_priority
1937                     if "image" in volume:
1938                         # Support image->volume
1939                         # Match retrived image info with volume based image name and checksum
1940                         if volume.image is not None:
1941                            matching_images = [img for img in imageinfo_list if img['name'] == volume.image]
1942                            if volume.image_checksum is not None:
1943                               matching_images = [img for img in matching_images if img['checksum'] == volume.image_checksum]
1944                            img_id = matching_images[0]['id']
1945                         if img_id is None:
1946                            raise OpenstackCALOperationFailure("Create-vdu operation failed. Volume image not found for name {} checksum {}".format(volume.name, volume.checksum))
1947                         block_map['uuid'] = img_id
1948                         block_map['source_type'] = "image"
1949                     else:
1950                         block_map['source_type'] = "blank"
1951
1952                     block_map['device_name'] = volume.name
1953                     block_map['destination_type'] = "volume"
1954                     block_map['volume_size'] = volume.size
1955                     block_map['delete_on_termination'] = True
1956                     if volume.guest_params.has_field('device_type') and volume.guest_params.device_type == 'cdrom':
1957                         block_map['device_type'] = 'cdrom'
1958                     if volume.guest_params.has_field('device_bus') and volume.guest_params.device_bus == 'ide':
1959                         block_map['disk_bus'] = 'ide'
1960                     kwargs['block_device_mapping_v2'].append(block_map)
1961
1962
1963         with self._use_driver(account) as drv:
1964             vm_id = drv.nova_server_create(**kwargs)
1965             if floating_ip:
1966                 self.prepare_vdu_on_boot(account, vm_id, floating_ip)
1967
1968         return vm_id
1969
1970     def get_openstack_image_info(self, account, image_name, image_checksum=None):
1971         self.log.debug("Looking up image id for image name %s and checksum %s on cloud account: %s",
1972                 image_name, image_checksum, account.name
1973                 )
1974
1975         image_list = []
1976         with self._use_driver(account) as drv:
1977             image_list = drv.glance_image_list()
1978         matching_images = [img for img in image_list if img['name'] == image_name]
1979
1980         # If the image checksum was filled in then further filter the images by the checksum
1981         if image_checksum is not None:
1982             matching_images = [img for img in matching_images if img['checksum'] == image_checksum]
1983         else:
1984             self.log.warning("Image checksum not provided.  Lookup using image name (%s) only.",
1985                                 image_name)
1986
1987         if len(matching_images) == 0:
1988             raise ResMgrCALOperationFailure("Could not find image name {} (using checksum: {}) for cloud account: {}".format(
1989                   image_name, image_checksum, account.name
1990                   ))
1991
1992         elif len(matching_images) > 1:
1993             unique_checksums = {i.checksum for i in matching_images}
1994             if len(unique_checksums) > 1:
1995                 msg = ("Too many images with different checksums matched "
1996                          "image name of %s for cloud account: %s" % (image_name, account.name))
1997                 raise ResMgrCALOperationFailure(msg)
1998
1999         return matching_images[0]
2000
2001     @rwcalstatus(ret_on_failure=[""])
2002     def do_create_vdu(self, account, vdu_init):
2003         """Create a new virtual deployment unit
2004
2005         Arguments:
2006             account     - a cloud account
2007             vdu_init  - information about VDU to create (RwcalYang.VDUInitParams)
2008
2009         Returns:
2010             The vdu_id
2011         """
2012         ### First create required number of ports aka connection points
2013         # Add the mgmt_ntwk by default.
2014         mgmt_network_id = None
2015         with self._use_driver(account) as drv:
2016             mgmt_network_id = drv._mgmt_network_id
2017             ### If floating_ip is required and we don't have one, better fail before any further allocation
2018             if vdu_init.has_field('allocate_public_address') and vdu_init.allocate_public_address:
2019                 if account.openstack.has_field('floating_ip_pool'):
2020                     pool_name = account.openstack.floating_ip_pool
2021                 else:
2022                     pool_name = None
2023                 floating_ip = self._allocate_floating_ip(drv, pool_name)
2024             else:
2025                 floating_ip = None
2026
2027         port_list = []
2028         network_list = []
2029         imageinfo_list = []
2030         is_explicit_mgmt_defined = False
2031         for c_point in vdu_init.connection_points:
2032             # if the user has specified explicit mgmt_network connection point
2033             # then remove the mgmt_network from the VM list
2034             if c_point.virtual_link_id == mgmt_network_id:
2035                 is_explicit_mgmt_defined = True
2036             if c_point.virtual_link_id in network_list:
2037                 assert False, "Only one port per network supported. Refer: http://specs.openstack.org/openstack/nova-specs/specs/juno/implemented/nfv-multiple-if-1-net.html"
2038             else:
2039                 network_list.append(c_point.virtual_link_id)
2040             port_id = self._create_connection_point(account, c_point)
2041             port_list.append(port_id)
2042
2043         if not vdu_init.has_field('flavor_id'):
2044             vdu_init.flavor_id = self._select_resource_flavor(account,vdu_init)
2045
2046         ### Obtain all images for volumes and perform validations
2047         if vdu_init.has_field('volumes'):
2048             for volume in vdu_init.volumes:
2049                 if "image" in volume:
2050                     image_checksum = volume.image_checksum if volume.has_field("image_checksum") else None
2051                     image_info = self.get_openstack_image_info(account, volume.image, image_checksum)
2052                     imageinfo_list.append(image_info)
2053         elif vdu_init.has_field('image_id'):
2054             with self._use_driver(account) as drv:
2055                 image_info = drv.glance_image_get(vdu_init.image_id)
2056                 imageinfo_list.append(image_info)
2057
2058         if not imageinfo_list:
2059             err_str = ("VDU has no image information")
2060             self.log.error(err_str)
2061             raise OpenstackCALOperationFailure("Create-vdu operation failed. Error- %s" % err_str)
2062
2063         ### Check VDU Virtual Interface type and make sure VM with property exists
2064         if vdu_init.connection_points:
2065                 ### All virtual interfaces need to be of the same type for Openstack Accounts
2066                 if not (all(cp.type_yang == 'E1000' for cp in vdu_init.connection_points) or all(cp.type_yang != 'E1000' for cp in vdu_init.connection_points)):
2067                     ### We have a mix of E1000 & VIRTIO/SR_IPOV virtual interface types in the VDU, abort instantiation.
2068                     assert False, "Only one type of Virtual Intefaces supported for Openstack accounts. Found a mix of VIRTIO/SR_IOV &   E1000."
2069
2070                 ## It is not clear if all the images need to checked for HW properties. In the absence of model info describing each im  age's properties,
2071                 ###   we shall assume that all images need to have similar properties
2072                 for img_info in imageinfo_list:
2073
2074                     virt_intf_type = vdu_init.connection_points[0].type_yang
2075                     if virt_intf_type == 'E1000':
2076                         if 'hw_vif_model' in img_info and img_info.hw_vif_model == 'e1000':
2077                             self.log.debug("VDU has Virtual Interface E1000, found matching image with property hw_vif_model=e1000")
2078                         else:
2079                             err_str = ("VDU has Virtual Interface E1000, but image '%s' does not have property hw_vif_model=e1000" % img_info.name)
2080                             self.log.error(err_str)
2081                             raise OpenstackCALOperationFailure("Create-vdu operation failed. Error- %s" % err_str)
2082                     elif virt_intf_type == 'VIRTIO' or virt_intf_type == 'SR_IOV':
2083                         if 'hw_vif_model' in img_info:
2084                             err_str = ("VDU has Virtual Interface %s, but image '%s' has hw_vif_model mismatch" % virt_intf_type,img_info.name)
2085                             self.log.error(err_str)
2086                             raise OpenstackCALOperationFailure("Create-vdu operation failed. Error- %s" % err_str)
2087                         else:
2088                             self.log.debug("VDU has Virtual Interface %s, found matching image" % virt_intf_type)
2089                     else:
2090                         err_str = ("VDU Virtual Interface '%s' not supported yet" % virt_intf_type)
2091                         self.log.error(err_str)
2092                         raise OpenstackCALOperationFailure("Create-vdu operation failed. Error- %s" % err_str)
2093
2094         with self._use_driver(account) as drv:
2095             ### Now Create VM
2096             vm_network_list = []
2097             if not is_explicit_mgmt_defined:
2098                 vm_network_list.append(drv._mgmt_network_id)
2099
2100             if vdu_init.has_field('volumes'):
2101                   # Only combination supported: Image->Volume
2102                   for volume in vdu_init.volumes:
2103                       if "volume" in volume:
2104                           err_str = ("VDU Volume source not supported yet")
2105                           self.log.error(err_str)
2106                           raise OpenstackCALOperationFailure("Create-vdu operation failed. Error- %s" % err_str)
2107                       if "guest_params" not in volume:
2108                           err_str = ("VDU Volume destination parameters '%s' not defined")
2109                           self.log.error(err_str)
2110                           raise OpenstackCALOperationFailure("Create-vdu operation failed. Error- %s" % err_str)
2111                       if not volume.guest_params.has_field('device_type'):
2112                           err_str = ("VDU Volume destination type '%s' not defined")
2113                           self.log.error(err_str)
2114                           raise OpenstackCALOperationFailure("Create-vdu operation failed. Error- %s" % err_str)
2115                       if volume.guest_params.device_type not in ['disk', 'cdrom'] :
2116                           err_str = ("VDU Volume destination type '%s' not supported" % volume.guest_params.device_type)
2117                           self.log.error(err_str)
2118                           raise OpenstackCALOperationFailure("Create-vdu operation failed. Error- %s" % err_str)
2119
2120
2121             server_group = None
2122             if vdu_init.has_field('server_group'):
2123                   ### Get list of server group in openstack for name->id mapping
2124                   openstack_group_list = drv.nova_server_group_list()
2125                   group_id = [ i['id'] for i in openstack_group_list if i['name'] == vdu_init.server_group.name]
2126                   if len(group_id) != 1:
2127                       raise OpenstackServerGroupError("VM placement failed. Server Group %s not found in openstack. Available groups" %(vdu_init.server_group.name, [i['name'] for i in openstack_group_list]))
2128                   server_group = group_id[0]
2129
2130             pci_assignement = self.prepare_vpci_metadata(drv, vdu_init)
2131             if pci_assignement != '':
2132                 vm.user_tags.pci_assignement = pci_assignement
2133
2134             vm_id = self._create_vm(account, vdu_init, pci_assignement=pci_assignement, server_group=server_group, port_list=port_list, network_list=vm_network_list, imageinfo_list = imageinfo_list)
2135             self.prepare_vdu_on_boot(account, vm_id, floating_ip)
2136             return vm_id
2137
2138     def prepare_vpci_metadata(self, drv, vdu_init):
2139         pci_assignement = ''
2140         ### TEF specific metadata creation for
2141         virtio_vpci = []
2142         sriov_vpci = []
2143         virtio_meta = ''
2144         sriov_meta = ''
2145         ### For MGMT interface
2146         if vdu_init.has_field('mgmt_vpci'):
2147             xx = 'u\''+ drv._mgmt_network_id + '\' :[[u\'' + vdu_init.mgmt_vpci + '\', ' + '\'\']]'
2148             virtio_vpci.append(xx)
2149
2150         for c_point in vdu_init.connection_points:
2151             if c_point.has_field('vpci'):
2152                 if c_point.has_field('vpci') and c_point.type_yang == 'VIRTIO':
2153                     xx = 'u\''+c_point.virtual_link_id + '\' :[[u\'' + c_point.vpci + '\', ' + '\'\']]'
2154                     virtio_vpci.append(xx)
2155                 elif c_point.has_field('vpci') and c_point.type_yang == 'SR_IOV':
2156                     xx = '[u\'' + c_point.vpci + '\', ' + '\'\']'
2157                     sriov_vpci.append(xx)
2158
2159         if virtio_vpci:
2160             virtio_meta += ','.join(virtio_vpci)
2161
2162         if sriov_vpci:
2163             sriov_meta = 'u\'VF\': ['
2164             sriov_meta += ','.join(sriov_vpci)
2165             sriov_meta += ']'
2166
2167         if virtio_meta != '':
2168             pci_assignement +=  virtio_meta
2169             pci_assignement += ','
2170
2171         if sriov_meta != '':
2172             pci_assignement +=  sriov_meta
2173
2174         if pci_assignement != '':
2175             pci_assignement = '{' + pci_assignement + '}'
2176
2177         return pci_assignement
2178
2179
2180
2181     def prepare_vdu_on_boot(self, account, server_id, floating_ip):
2182         cmd = PREPARE_VM_CMD.format(auth_url     = account.openstack.auth_url,
2183                                     username     = account.openstack.key,
2184                                     password     = account.openstack.secret,
2185                                     tenant_name  = account.openstack.tenant,
2186                                     mgmt_network = account.openstack.mgmt_network,
2187                                     server_id    = server_id)
2188
2189         if floating_ip is not None:
2190             cmd += (" --floating_ip "+ floating_ip.ip)
2191
2192         exec_path = 'python3 ' + os.path.dirname(openstack_drv.__file__)
2193         exec_cmd = exec_path+'/'+cmd
2194         self.log.info("Running command: %s" %(exec_cmd))
2195         subprocess.call(exec_cmd, shell=True)
2196
2197     @rwstatus
2198     def do_modify_vdu(self, account, vdu_modify):
2199         """Modify Properties of existing virtual deployment unit
2200
2201         Arguments:
2202             account     -  a cloud account
2203             vdu_modify  -  Information about VDU Modification (RwcalYang.VDUModifyParams)
2204         """
2205         ### First create required number of ports aka connection points
2206         port_list = []
2207         network_list = []
2208         for c_point in vdu_modify.connection_points_add:
2209             if c_point.virtual_link_id in network_list:
2210                 assert False, "Only one port per network supported. Refer: http://specs.openstack.org/openstack/nova-specs/specs/juno/implemented/nfv-multiple-if-1-net.html"
2211             else:
2212                 network_list.append(c_point.virtual_link_id)
2213             port_id = self._create_connection_point(account, c_point)
2214             port_list.append(port_id)
2215
2216         ### Now add the ports to VM
2217         for port_id in port_list:
2218             with self._use_driver(account) as drv:
2219                 drv.nova_server_add_port(vdu_modify.vdu_id, port_id)
2220
2221         ### Delete the requested connection_points
2222         for c_point in vdu_modify.connection_points_remove:
2223             self.do_delete_port(account, c_point.connection_point_id, no_rwstatus=True)
2224
2225         if vdu_modify.has_field('image_id'):
2226             with self._use_driver(account) as drv:
2227                 drv.nova_server_rebuild(vdu_modify.vdu_id, vdu_modify.image_id)
2228
2229
2230     @rwstatus
2231     def do_delete_vdu(self, account, vdu_id):
2232         """Delete a virtual deployment unit
2233
2234         Arguments:
2235             account - a cloud account
2236             vdu_id  - id for the vdu to be deleted
2237
2238         Returns:
2239             None
2240         """
2241         if not vdu_id:
2242             self.log.error("empty vdu_id during the vdu deletion")
2243             return
2244
2245         with self._use_driver(account) as drv:
2246             ### Get list of floating_ips associated with this instance and delete them
2247             floating_ips = [ f for f in drv.nova_floating_ip_list() if f.instance_id == vdu_id ]
2248             for f in floating_ips:
2249                 drv.nova_drv.floating_ip_delete(f)
2250
2251             ### Get list of port on VM and delete them.
2252             port_list = drv.neutron_port_list(**{'device_id': vdu_id})
2253
2254         for port in port_list:
2255             if ((port['device_owner'] == 'compute:None') or (port['device_owner'] == '')):
2256                 self.do_delete_port(account, port['id'], no_rwstatus=True)
2257
2258         self.do_delete_vm(account, vdu_id, no_rwstatus=True)
2259
2260
2261     @rwstatus(ret_on_failure=[None])
2262     def do_get_vdu(self, account, vdu_id):
2263         """Get information about a virtual deployment unit.
2264
2265         Arguments:
2266             account - a cloud account
2267             vdu_id  - id for the vdu
2268
2269         Returns:
2270             Object of type RwcalYang.VDUInfoParams
2271         """
2272         with self._use_driver(account) as drv:
2273             port_list = drv.neutron_port_list(**{'device_id': vdu_id})
2274
2275             vm = drv.nova_server_get(vdu_id)
2276
2277             flavor_info = None
2278             if ('flavor' in vm) and ('id' in vm['flavor']):
2279                 try:
2280                     flavor_info = drv.nova_flavor_get(vm['flavor']['id'])
2281                 except Exception as e:
2282                     self.log.critical("Exception encountered while attempting to get flavor info for flavor_id: %s. Exception: %s" %(vm['flavor']['id'], str(e)))
2283
2284             openstack_group_list = drv.nova_server_group_list()
2285             server_group = [ i['name'] for i in openstack_group_list if vm['id'] in i['members']]
2286             openstack_srv_volume_list = drv.nova_volume_list(vm['id'])
2287             vdu_info = RwcalOpenstackPlugin._fill_vdu_info(vm,
2288                                                            flavor_info,
2289                                                            account.openstack.mgmt_network,
2290                                                            port_list,
2291                                                            server_group,
2292                                                            volume_list = openstack_srv_volume_list)
2293             if vdu_info.state == 'active':
2294                 try:
2295                     console_info = drv.nova_server_console(vdu_info.vdu_id)
2296                 except Exception as e:
2297                     pass
2298                 else:
2299                     vdu_info.console_url = console_info['console']['url']
2300                     pass
2301
2302             return vdu_info
2303
2304
2305     @rwstatus(ret_on_failure=[None])
2306     def do_get_vdu_list(self, account):
2307         """Get information about all the virtual deployment units
2308
2309         Arguments:
2310             account     - a cloud account
2311
2312         Returns:
2313             A list of objects of type RwcalYang.VDUInfoParams
2314         """
2315         vnf_resources = RwcalYang.VNFResources()
2316         with self._use_driver(account) as drv:
2317             vms = drv.nova_server_list()
2318             for vm in vms:
2319                 port_list = drv.neutron_port_list(**{'device_id': vm['id']})
2320
2321                 flavor_info = None
2322
2323                 if ('flavor' in vm) and ('id' in vm['flavor']):
2324                     try:
2325                         flavor_info = drv.nova_flavor_get(vm['flavor']['id'])
2326                     except Exception as e:
2327                         self.log.critical("Exception encountered while attempting to get flavor info for flavor_id: %s. Exception: %s" %(vm['flavor']['id'], str(e)))
2328
2329                 else:
2330                     flavor_info = None
2331
2332                 openstack_group_list = drv.nova_server_group_list()
2333                 server_group = [ i['name'] for i in openstack_group_list if vm['id'] in i['members']]
2334
2335                 openstack_srv_volume_list = drv.nova_volume_list(vm['id'])
2336                 vdu = RwcalOpenstackPlugin._fill_vdu_info(vm,
2337                                                           flavor_info,
2338                                                           account.openstack.mgmt_network,
2339                                                           port_list,
2340                                                           server_group,
2341                                                           volume_list = openstack_srv_volume_list)
2342                 if vdu.state == 'active':
2343                     try:
2344                         console_info = drv.nova_server_console(vdu.vdu_id)
2345                     except Exception as e:
2346                         pass
2347                     else:
2348                         vdu.console_url = console_info['console']['url']
2349                         pass
2350                 vnf_resources.vdu_info_list.append(vdu)
2351             return vnf_resources
2352
2353