models/openmano/python/rift/openmano/rift2openmano.py

   1 #!/usr/bin/env python3
   2
   3 #
   4 #   Copyright 2016 RIFT.IO Inc
   5 #
   6 #   Licensed under the Apache License, Version 2.0 (the "License");
   7 #   you may not use this file except in compliance with the License.
   8 #   You may obtain a copy of the License at
   9 #
  10 #       http://www.apache.org/licenses/LICENSE-2.0
  11 #
  12 #   Unless required by applicable law or agreed to in writing, software
  13 #   distributed under the License is distributed on an "AS IS" BASIS,
  14 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15 #   See the License for the specific language governing permissions and
  16 #   limitations under the License.
  17 #
  18
  19 import argparse
  20 import collections
  21 import logging
  22 import math
  23 import os
  24 import sys
  25 import tempfile
  26 import yaml
  27
  28 import gi
  29 gi.require_version('RwYang', '1.0')
  30 gi.require_version('RwVnfdYang', '1.0')
  31 gi.require_version('RwNsdYang', '1.0')
  32
  33 from gi.repository import (
  34     RwYang,
  35     RwVnfdYang,
  36     RwNsdYang,
  37     )
  38
  39 import rift.package.store
  40 import rift.package.cloud_init
  41
  42 logger = logging.getLogger("rift2openmano.py")
  43
  44
  45 class VNFNotFoundError(Exception):
  46     pass
  47
  48
  49 class RiftNSD(object):
  50     model = RwYang.Model.create_libncx()
  51     model.load_module('nsd')
  52     model.load_module('rw-nsd')
  53
  54     def __init__(self, descriptor):
  55         self._nsd = descriptor
  56
  57     def __str__(self):
  58         return str(self._nsd)
  59
  60     @property
  61     def name(self):
  62         return self._nsd.name
  63
  64     @property
  65     def id(self):
  66         return self._nsd.id
  67
  68     @property
  69     def vnfd_ids(self):
  70         return [c.vnfd_id_ref for c in self._nsd.constituent_vnfd]
  71
  72     @property
  73     def constituent_vnfds(self):
  74         return self._nsd.constituent_vnfd
  75
  76     @property
  77     def vlds(self):
  78         return self._nsd.vld
  79
  80     @property
  81     def cps(self):
  82         return self._nsd.connection_point
  83
  84     @property
  85     def description(self):
  86         return self._nsd.description
  87
  88     @classmethod
  89     def from_xml_file_hdl(cls, hdl):
  90         hdl.seek(0)
  91         descriptor = RwNsdYang.YangData_Nsd_NsdCatalog_Nsd()
  92         descriptor.from_xml_v2(RiftNSD.model, hdl.read())
  93         return cls(descriptor)
  94
  95     @classmethod
  96     def from_yaml_file_hdl(cls, hdl):
  97         hdl.seek(0)
  98         descriptor = RwNsdYang.YangData_Nsd_NsdCatalog_Nsd()
  99         descriptor.from_yaml(RiftNSD.model, hdl.read())
 100         return cls(descriptor)
 101
 102     @classmethod
 103     def from_dict(cls, nsd_dict):
 104         descriptor = RwNsdYang.YangData_Nsd_NsdCatalog_Nsd.from_dict(nsd_dict)
 105         return cls(descriptor)
 106
 107
 108 class RiftVNFD(object):
 109     model = RwYang.Model.create_libncx()
 110     model.load_module('vnfd')
 111     model.load_module('rw-vnfd')
 112
 113     def __init__(self, descriptor):
 114         self._vnfd = descriptor
 115
 116     def __str__(self):
 117         return str(self._vnfd)
 118
 119     @property
 120     def id(self):
 121         return self._vnfd.id
 122
 123     @property
 124     def name(self):
 125         return self._vnfd.name
 126
 127     @property
 128     def description(self):
 129         return self._vnfd.description
 130
 131     @property
 132     def cps(self):
 133         return self._vnfd.connection_point
 134
 135     @property
 136     def vdus(self):
 137         return self._vnfd.vdu
 138
 139     @property
 140     def internal_vlds(self):
 141         return self._vnfd.internal_vld
 142
 143     @classmethod
 144     def from_xml_file_hdl(cls, hdl):
 145         hdl.seek(0)
 146         descriptor = RwVnfdYang.YangData_Vnfd_VnfdCatalog_Vnfd()
 147         descriptor.from_xml_v2(RiftVNFD.model, hdl.read())
 148         return cls(descriptor)
 149
 150     @classmethod
 151     def from_yaml_file_hdl(cls, hdl):
 152         hdl.seek(0)
 153         descriptor = RwVnfdYang.YangData_Vnfd_VnfdCatalog_Vnfd()
 154         descriptor.from_yaml(RiftVNFD.model, hdl.read())
 155         return cls(descriptor)
 156
 157     @classmethod
 158     def from_dict(cls, vnfd_dict):
 159         descriptor = RwVnfdYang.YangData_Vnfd_VnfdCatalog_Vnfd.from_dict(vnfd_dict)
 160         return cls(descriptor)
 161
 162
 163 def is_writable_directory(dir_path):
 164     """ Returns True if dir_path is writable, False otherwise
 165
 166     Arguments:
 167         dir_path - A directory path
 168     """
 169     if not os.path.exists(dir_path):
 170         raise ValueError("Directory does not exist: %s", dir_path)
 171
 172     try:
 173         testfile = tempfile.TemporaryFile(dir=dir_path)
 174         testfile.close()
 175     except OSError:
 176         return False
 177
 178     return True
 179
 180
 181 def create_vnfd_from_files(vnfd_file_hdls):
 182     """ Create a list of RiftVNFD instances from xml/yaml file handles
 183
 184     Arguments:
 185         vnfd_file_hdls - Rift VNFD XML/YAML file handles
 186
 187     Returns:
 188         A list of RiftVNFD instances
 189     """
 190     vnfd_dict = {}
 191     for vnfd_file_hdl in vnfd_file_hdls:
 192         if vnfd_file_hdl.name.endswith("yaml") or vnfd_file_hdl.name.endswith("yaml"):
 193             vnfd = RiftVNFD.from_yaml_file_hdl(vnfd_file_hdl)
 194         else:
 195             vnfd = RiftVNFD.from_xml_file_hdl(vnfd_file_hdl)
 196         vnfd_dict[vnfd.id] = vnfd
 197
 198     return vnfd_dict
 199
 200
 201 def create_nsd_from_file(nsd_file_hdl):
 202     """ Create a list of RiftNSD instances from yaml/xml file handles
 203
 204     Arguments:
 205         nsd_file_hdls - Rift NSD XML/yaml file handles
 206
 207     Returns:
 208         A list of RiftNSD instances
 209     """
 210     if nsd_file_hdl.name.endswith("yaml") or nsd_file_hdl.name.endswith("yaml"):
 211         nsd = RiftNSD.from_yaml_file_hdl(nsd_file_hdl)
 212     else:
 213         nsd = RiftNSD.from_xml_file_hdl(nsd_file_hdl)
 214     return nsd
 215
 216
 217 def ddict():
 218     return collections.defaultdict(dict)
 219
 220 def convert_vnfd_name(vnfd_name, member_idx):
 221     return vnfd_name + "__" + str(member_idx)
 222
 223
 224 def rift2openmano_nsd(rift_nsd, rift_vnfds, openmano_vnfd_ids, rift_vnfd_id=None):
 225     if rift_vnfd_id is None:
 226         for vnfd_id in rift_nsd.vnfd_ids:
 227             if vnfd_id not in rift_vnfds:
 228                 raise VNFNotFoundError("VNF id %s not provided" % vnfd_id)
 229
 230     openmano = {}
 231     openmano["name"] = rift_nsd.name
 232     if rift_vnfd_id is not None:
 233          openmano["name"] += "scale1"
 234     openmano["description"] = rift_nsd.description
 235     topology = {}
 236     openmano["topology"] = topology
 237
 238     topology["nodes"] = {}
 239     for vnfd in rift_nsd.constituent_vnfds:
 240         vnfd_id = vnfd.vnfd_id_ref
 241         if rift_vnfd_id is not None and rift_vnfd_id != vnfd_id:
 242             continue
 243         rift_vnfd = rift_vnfds[vnfd_id]
 244         member_idx = vnfd.member_vnf_index
 245         openmano_vnfd_id = openmano_vnfd_ids.get(vnfd_id,None)
 246         if openmano_vnfd_id:
 247             topology["nodes"][rift_vnfd.name + "__" + str(member_idx)] = {
 248                 "type": "VNF",
 249                 "vnf_id": openmano_vnfd_id
 250                 }
 251         else:
 252             topology["nodes"][rift_vnfd.name + "__" + str(member_idx)] = {
 253                 "type": "VNF",
 254                 "VNF model": rift_vnfd.name
 255                 }
 256
 257     for vld in rift_nsd.vlds:
 258         # Openmano has both bridge_net and dataplane_net models for network types
 259         # For now, since we are using openmano in developer mode lets just hardcode
 260         # to bridge_net since it won't matter anyways.
 261         # topology["nodes"][vld.name] = {"type": "network", "model": "bridge_net"}
 262         pass
 263
 264     topology["connections"] = {}
 265     for vld in rift_nsd.vlds:
 266
 267         # Create a connections entry for each external VLD
 268         topology["connections"][vld.name] = {}
 269         topology["connections"][vld.name]["nodes"] = []
 270
 271         #if vld.vim_network_name:
 272         if True:
 273             if vld.name not in topology["nodes"]:
 274                 topology["nodes"][vld.name] = {
 275                         "type": "external_network",
 276                         "model": vld.name,
 277                         }
 278
 279             # Add the external network to the list of connection points
 280             topology["connections"][vld.name]["nodes"].append(
 281                     {vld.name: "0"}
 282                     )
 283         elif vld.provider_network.has_field("physical_network"):
 284             # Add the external datacenter network to the topology
 285             # node list if it isn't already added
 286             ext_net_name = vld.provider_network.physical_network
 287             ext_net_name_with_seg = ext_net_name
 288             if vld.provider_network.has_field("segmentation_id"):
 289                 ext_net_name_with_seg += ":{}".format(vld.provider_network.segmentation_id)
 290
 291             if ext_net_name not in topology["nodes"]:
 292                 topology["nodes"][ext_net_name] = {
 293                         "type": "external_network",
 294                         "model": ext_net_name_with_seg,
 295                         }
 296
 297             # Add the external network to the list of connection points
 298             topology["connections"][vld.name]["nodes"].append(
 299                     {ext_net_name: "0"}
 300                     )
 301
 302
 303         for vnfd_cp in vld.vnfd_connection_point_ref:
 304
 305             # Get the RIFT VNF for this external VLD connection point
 306             vnfd = rift_vnfds[vnfd_cp.vnfd_id_ref]
 307
 308             # For each VNF in this connection, use the same interface name
 309             topology["connections"][vld.name]["type"] = "link"
 310             # Vnf ref is the vnf name with the member_vnf_idx appended
 311             member_idx = vnfd_cp.member_vnf_index_ref
 312             vnf_ref = vnfd.name + "__" + str(member_idx)
 313             topology["connections"][vld.name]["nodes"].append(
 314                 {
 315                     vnf_ref: vnfd_cp.vnfd_connection_point_ref
 316                 }
 317             )
 318     return openmano
 319
 320 def rift2openmano_vnfd_nsd(rift_nsd, rift_vnfds, openmano_vnfd_ids,rift_vnfd_id=None):
 321
 322
 323     if rift_vnfd_id not in rift_vnfds:
 324             print ("IDS", rift_vnfds)
 325             raise VNFNotFoundError("VNF id %s not provided" % rift_vnfd_id)
 326
 327     openmano_vnfd_nsd = {}
 328     openmano_vnfd_nsd["name"] = rift_vnfd_id+'__'+'scaling_group'
 329     openmano_vnfd_nsd["description"] = "Scaling Group"
 330     topology = {}
 331     openmano_vnfd_nsd["topology"] = topology
 332     topology["connections"] = {}
 333     topology["nodes"] = {}
 334     tst_index = []
 335     openmano_vnfd_id = openmano_vnfd_ids.get(rift_vnfd_id,None)
 336     logger.debug("CONSTVNF %s", rift_nsd.constituent_vnfds)
 337     for rvnfd_id in rift_nsd.constituent_vnfds:
 338         if rvnfd_id.vnfd_id_ref == rift_vnfd_id:
 339             topology["nodes"][rift_vnfd_id+'__'+str(rvnfd_id.member_vnf_index)] = {
 340                 "type": "VNF",
 341                 "vnf_id": openmano_vnfd_id
 342             }
 343
 344     for vld in rift_nsd.vlds:
 345
 346         # Create a connections entry for each external VLD
 347         topology["connections"][vld.name] = {}
 348         topology["connections"][vld.name]["nodes"] = []
 349         if True:
 350             if vld.name not in topology["nodes"]:
 351                 topology["nodes"][vld.name] = {
 352                         "type": "external_network",
 353                         "model": vld.name,
 354                         }
 355             topology["connections"][vld.name]["nodes"].append(
 356                     {vld.name: "0"}
 357                     )
 358
 359
 360
 361     for vnfd_cp in vld.vnfd_connection_point_ref:
 362         if not rift_vnfd_id in vnfd_cp.vnfd_id_ref:
 363             continue
 364         if rift_vnfd_id in vnfd_cp.vnfd_id_ref:
 365
 366             # Get the RIFT VNF for this external VLD connection point
 367             vnfd = rift_vnfds[vnfd_cp.vnfd_id_ref]
 368
 369
 370             # For each VNF in this connection, use the same interface name
 371             topology["connections"][vld.name]["type"] = "link"
 372             # Vnf ref is the vnf name with the member_vnf_idx appended
 373             member_idx = vnfd_cp.member_vnf_index_ref
 374             vnf_ref = rift_vnfd_id + "__" + str(member_idx)
 375             topology["connections"][vld.name]["nodes"].append(
 376                 {
 377                     vnf_ref: vnfd_cp.vnfd_connection_point_ref
 378                 }
 379             )
 380     return openmano_vnfd_nsd
 381
 382
 383 def cloud_init(rift_vnfd_id, vdu):
 384     """ Populate cloud_init with script from
 385          either the inline contents or from the file provided
 386     """
 387     vnfd_package_store = rift.package.store.VnfdPackageFilesystemStore(logger)
 388
 389     cloud_init_msg = None
 390     if vdu.cloud_init is not None:
 391         logger.debug("cloud_init script provided inline %s", vdu.cloud_init)
 392         cloud_init_msg = vdu.cloud_init
 393     elif vdu.cloud_init_file is not None:
 394         # Get cloud-init script contents from the file provided in the cloud_init_file param
 395         logger.debug("cloud_init script provided in file %s", vdu.cloud_init_file)
 396         filename = vdu.cloud_init_file
 397         vnfd_package_store.refresh()
 398         stored_package = vnfd_package_store.get_package(rift_vnfd_id)
 399         cloud_init_extractor = rift.package.cloud_init.PackageCloudInitExtractor(logger)
 400         try:
 401             cloud_init_msg = cloud_init_extractor.read_script(stored_package, filename)
 402         except rift.package.cloud_init.CloudInitExtractionError as e:
 403             raise ValueError(e)
 404     else:
 405         logger.debug("VDU translation: cloud-init script not provided")
 406         return
 407
 408     logger.debug("Current cloud init msg is {}".format(cloud_init_msg))
 409     return cloud_init_msg
 410
 411 def config_file_init(rift_vnfd_id, vdu, cfg_file):
 412     """ Populate config file init with file provided
 413     """
 414     vnfd_package_store = rift.package.store.VnfdPackageFilesystemStore(logger)
 415
 416     # Get script contents from the file provided in the cloud_init directory
 417     logger.debug("config file script provided in file {}".format(cfg_file))
 418     filename = cfg_file
 419     vnfd_package_store.refresh()
 420     stored_package = vnfd_package_store.get_package(rift_vnfd_id)
 421     cloud_init_extractor = rift.package.cloud_init.PackageCloudInitExtractor(logger)
 422     try:
 423             cfg_file_msg = cloud_init_extractor.read_script(stored_package, filename)
 424     except rift.package.cloud_init.CloudInitExtractionError as e:
 425             raise ValueError(e)
 426
 427     logger.debug("Current config file msg is {}".format(cfg_file_msg))
 428     return cfg_file_msg
 429
 430 def rift2openmano_vnfd(rift_vnfd, rift_nsd):
 431     openmano_vnf = {"vnf":{}}
 432     vnf = openmano_vnf["vnf"]
 433
 434     vnf["name"] = rift_vnfd.name
 435     vnf["description"] = rift_vnfd.description
 436
 437     vnf["external-connections"] = []
 438
 439     def find_vdu_and_ext_if_by_cp_ref(cp_ref_name):
 440         for vdu in rift_vnfd.vdus:
 441             for ext_if in vdu.external_interface:
 442                 if ext_if.vnfd_connection_point_ref == cp_ref_name:
 443                     return vdu, ext_if
 444
 445         raise ValueError("External connection point reference %s not found" % cp_ref_name)
 446
 447     def find_vdu_and_int_if_by_cp_ref(cp_ref_id):
 448         for vdu in rift_vnfd.vdus:
 449             for int_if in vdu.internal_interface:
 450                 if int_if.vdu_internal_connection_point_ref == cp_ref_id:
 451                     return vdu, int_if
 452
 453         raise ValueError("Internal connection point reference %s not found" % cp_ref_id)
 454
 455     def rift2openmano_if_type(ext_if):
 456
 457         cp_ref_name = ext_if.vnfd_connection_point_ref
 458         for vld in rift_nsd.vlds:
 459
 460             # if it is an explicit mgmt_network then check if the given
 461             # cp_ref is a part of it
 462             if not vld.mgmt_network:
 463                 continue
 464
 465             for vld_cp in vld.vnfd_connection_point_ref:
 466                 if vld_cp.vnfd_connection_point_ref == cp_ref_name:
 467                     return "mgmt"
 468
 469
 470         rift_type = ext_if.virtual_interface.type_yang
 471         # Retaining it for backward compatibility!
 472         if rift_type == "OM_MGMT":
 473             return "mgmt"
 474         elif rift_type == "VIRTIO" or rift_type == "E1000":
 475             return "bridge"
 476         else:
 477             return "data"
 478
 479     def rift2openmano_vif(rift_type):
 480         if rift_type == "VIRTIO":
 481             return "virtio"
 482         elif rift_type == "E1000":
 483             return "e1000"
 484         else:
 485             raise ValueError("VDU Virtual Interface type {} not supported".format(rift_type))
 486
 487     # Add all external connections
 488     for cp in rift_vnfd.cps:
 489         # Find the VDU and and external interface for this connection point
 490         vdu, ext_if = find_vdu_and_ext_if_by_cp_ref(cp.name)
 491         connection = {
 492             "name": cp.name,
 493             "type": rift2openmano_if_type(ext_if),
 494             "VNFC": vdu.name,
 495             "local_iface_name": ext_if.name,
 496             "description": "%s iface on VDU %s" % (ext_if.name, vdu.name),
 497             }
 498
 499         vnf["external-connections"].append(connection)
 500
 501     # Add all internal networks
 502     for vld in rift_vnfd.internal_vlds:
 503         connection = {
 504             "name": vld.name,
 505             "description": vld.description,
 506             "type": "bridge",
 507             "elements": [],
 508             }
 509
 510         # Add the specific VDU connection points
 511         for int_cp in vld.internal_connection_point:
 512             vdu, int_if = find_vdu_and_int_if_by_cp_ref(int_cp.id_ref)
 513             connection["elements"].append({
 514                 "VNFC": vdu.name,
 515                 "local_iface_name": int_if.name,
 516                 })
 517         if "internal-connections" not in vnf:
 518             vnf["internal-connections"] = []
 519
 520         vnf["internal-connections"].append(connection)
 521
 522     # Add VDU's
 523     vnf["VNFC"] = []
 524     for vdu in rift_vnfd.vdus:
 525         vnfc = {
 526             "name": vdu.name,
 527             "description": vdu.name,
 528             "bridge-ifaces": [],
 529             }
 530
 531         if vdu.vm_flavor.has_field("storage_gb") and vdu.vm_flavor.storage_gb:
 532             vnfc["disk"] = vdu.vm_flavor.storage_gb
 533
 534         if vdu.has_field("image"):
 535             if os.path.isabs(vdu.image):
 536                 vnfc["VNFC image"] = vdu.image
 537             else:
 538                 vnfc["image name"] = vdu.image
 539                 if vdu.has_field("image_checksum"):
 540                     vnfc["image checksum"] = vdu.image_checksum
 541
 542         dedicated_int = False
 543         for intf in list(vdu.internal_interface) + list(vdu.external_interface):
 544             if intf.virtual_interface.type_yang in ["SR_IOV", "PCI_PASSTHROUGH"]:
 545                 dedicated_int = True
 546         if vdu.guest_epa.has_field("numa_node_policy") or dedicated_int:
 547             vnfc["numas"] = [{
 548                            "memory": max(int(vdu.vm_flavor.memory_mb/1024), 1),
 549                            "interfaces":[],
 550                            }]
 551             numa_node_policy = vdu.guest_epa.numa_node_policy
 552             if numa_node_policy.has_field("node"):
 553                 numa_node = numa_node_policy.node[0]
 554
 555                 if numa_node.has_field("paired_threads"):
 556                     if numa_node.paired_threads.has_field("num_paired_threads"):
 557                         vnfc["numas"][0]["paired-threads"] = numa_node.paired_threads.num_paired_threads
 558                     if len(numa_node.paired_threads.paired_thread_ids) > 0:
 559                         vnfc["numas"][0]["paired-threads-id"] = []
 560                         for pair in numa_node.paired_threads.paired_thread_ids:
 561                              vnfc["numas"][0]["paired-threads-id"].append(
 562                                      [pair.thread_a, pair.thread_b]
 563                                      )
 564
 565             else:
 566                 if vdu.vm_flavor.has_field("vcpu_count"):
 567                     vnfc["numas"][0]["cores"] = max(vdu.vm_flavor.vcpu_count, 1)
 568
 569         else:
 570             if vdu.vm_flavor.has_field("vcpu_count") and vdu.vm_flavor.vcpu_count:
 571                 vnfc["vcpus"] = vdu.vm_flavor.vcpu_count
 572
 573             if vdu.vm_flavor.has_field("memory_mb") and vdu.vm_flavor.memory_mb:
 574                 vnfc["ram"] = vdu.vm_flavor.memory_mb
 575
 576
 577         if vdu.has_field("hypervisor_epa"):
 578             vnfc["hypervisor"] = {}
 579             if vdu.hypervisor_epa.has_field("type"):
 580                 if vdu.hypervisor_epa.type_yang == "REQUIRE_KVM":
 581                     vnfc["hypervisor"]["type"] = "QEMU-kvm"
 582
 583             if vdu.hypervisor_epa.has_field("version"):
 584                 vnfc["hypervisor"]["version"] = vdu.hypervisor_epa.version
 585
 586         if vdu.has_field("host_epa"):
 587             vnfc["processor"] = {}
 588             if vdu.host_epa.has_field("om_cpu_model_string"):
 589                 vnfc["processor"]["model"] = vdu.host_epa.om_cpu_model_string
 590             if vdu.host_epa.has_field("om_cpu_feature"):
 591                 vnfc["processor"]["features"] = []
 592                 for feature in vdu.host_epa.om_cpu_feature:
 593                     vnfc["processor"]["features"].append(feature.feature)
 594
 595         if vdu.has_field("volumes"):
 596             vnfc["devices"] = []
 597             # Sort volumes as device-list is implictly ordered by Openmano
 598             newvollist = sorted(vdu.volumes, key=lambda k: k.name)
 599             for iter_num, volume in enumerate(newvollist):
 600                 if iter_num == 0:
 601                     # Convert the first volume to vnfc.image
 602                     if os.path.isabs(volume.image):
 603                         vnfc["VNFC image"] = volume.image
 604                     else:
 605                         vnfc["image name"] = volume.image
 606                         if volume.has_field("image_checksum"):
 607                             vnfc["image checksum"] = volume.image_checksum
 608                 else:
 609                     # Add Openmano devices
 610                     device = {}
 611                     device["type"] = volume.device_type
 612                     device["image"] = volume.image
 613                     vnfc["devices"].append(device)
 614
 615         vnfc_boot_data_init = False
 616         if vdu.has_field("cloud_init") or vdu.has_field("cloud_init_file"):
 617             vnfc['boot-data'] = dict()
 618             vnfc_boot_data_init = True
 619             vnfc['boot-data']['user-data'] = cloud_init(rift_vnfd.id, vdu)
 620
 621         if vdu.has_field("supplemental_boot_data"):
 622             if vdu.supplemental_boot_data.has_field('boot_data_drive'):
 623                 if vdu.supplemental_boot_data.boot_data_drive is True:
 624                     if vnfc_boot_data_init is False:
 625                         vnfc['boot-data'] = dict()
 626                         vnfc_boot_data_init = True
 627                     vnfc['boot-data']['boot-data-drive'] = vdu.supplemental_boot_data.boot_data_drive
 628
 629             if vdu.supplemental_boot_data.has_field('config_file'):
 630                 om_cfgfile_list = list()
 631                 for custom_config_file in vdu.supplemental_boot_data.config_file:
 632                     cfg_source = config_file_init(rift_vnfd.id, vdu, custom_config_file.source)
 633                     om_cfgfile_list.append({"dest":custom_config_file.dest, "content": cfg_source})
 634                 vnfc['boot-data']['config-files'] = om_cfgfile_list
 635
 636
 637         vnf["VNFC"].append(vnfc)
 638
 639         for int_if in list(vdu.internal_interface) + list(vdu.external_interface):
 640             intf = {
 641                 "name": int_if.name,
 642                 }
 643             if int_if.virtual_interface.has_field("vpci"):
 644                 intf["vpci"] = int_if.virtual_interface.vpci
 645
 646             if int_if.virtual_interface.type_yang in ["VIRTIO", "E1000"]:
 647                 intf["model"] = rift2openmano_vif(int_if.virtual_interface.type_yang)
 648                 vnfc["bridge-ifaces"].append(intf)
 649
 650             elif int_if.virtual_interface.type_yang in ["OM_MGMT"]:
 651                 vnfc["bridge-ifaces"].append(intf)
 652
 653             elif int_if.virtual_interface.type_yang == "SR_IOV":
 654                 intf["bandwidth"] = "10 Gbps"
 655                 intf["dedicated"] = "no"
 656                 vnfc["numas"][0]["interfaces"].append(intf)
 657
 658             elif int_if.virtual_interface.type_yang == "PCI_PASSTHROUGH":
 659                 intf["bandwidth"] = "10 Gbps"
 660                 intf["dedicated"] = "yes"
 661                 if "interfaces" not in vnfc["numas"][0]:
 662                     vnfc["numas"][0]["interfaces"] = []
 663                 vnfc["numas"][0]["interfaces"].append(intf)
 664             else:
 665                 raise ValueError("Interface type %s not supported" % int_if.virtual_interface)
 666
 667             if int_if.virtual_interface.has_field("bandwidth"):
 668                 if int_if.virtual_interface.bandwidth != 0:
 669                     bps = int_if.virtual_interface.bandwidth
 670
 671                     # Calculate the bits per second conversion
 672                     for x in [('M', 1000000), ('G', 1000000000)]:
 673                         if bps/x[1] >= 1:
 674                             intf["bandwidth"] = "{} {}bps".format(math.ceil(bps/x[1]), x[0])
 675
 676         # Sort bridge-ifaces-list TODO sort others
 677         newlist = sorted(vnfc["bridge-ifaces"], key=lambda k: k['name'])
 678         vnfc["bridge-ifaces"] = newlist
 679
 680     return openmano_vnf
 681
 682
 683 def parse_args(argv=sys.argv[1:]):
 684     """ Parse the command line arguments
 685
 686     Arguments:
 687         arv - The list of arguments to parse
 688
 689     Returns:
 690         Argparse Namespace instance
 691     """
 692     parser = argparse.ArgumentParser()
 693     parser.add_argument(
 694         '-o', '--outdir',
 695         default='-',
 696         help="Directory to output converted descriptors. Default is stdout",
 697         )
 698
 699     parser.add_argument(
 700         '-n', '--nsd-file-hdl',
 701         metavar="nsd_file",
 702         type=argparse.FileType('r'),
 703         help="Rift NSD Descriptor File",
 704         )
 705
 706     parser.add_argument(
 707         '-v', '--vnfd-file-hdls',
 708         metavar="vnfd_file",
 709         action='append',
 710         type=argparse.FileType('r'),
 711         help="Rift VNFD Descriptor File",
 712         )
 713
 714     args = parser.parse_args(argv)
 715
 716     if not os.path.exists(args.outdir):
 717         os.makedirs(args.outdir)
 718
 719     if not is_writable_directory(args.outdir):
 720         logging.error("Directory %s is not writable", args.outdir)
 721         sys.exit(1)
 722
 723     return args
 724
 725
 726 def write_yaml_to_file(name, outdir, desc_dict):
 727     file_name = "%s.yaml" % name
 728     yaml_str = yaml.dump(desc_dict)
 729     if outdir == "-":
 730         sys.stdout.write(yaml_str)
 731         return
 732
 733     file_path = os.path.join(outdir, file_name)
 734     dir_path = os.path.dirname(file_path)
 735     if not os.path.exists(dir_path):
 736         os.makedirs(dir_path)
 737
 738     with open(file_path, "w") as hdl:
 739         hdl.write(yaml_str)
 740
 741     logger.info("Wrote descriptor to %s", file_path)
 742
 743
 744 def main(argv=sys.argv[1:]):
 745     args = parse_args(argv)
 746     nsd = None
 747     openmano_vnfr_ids = dict()
 748     vnf_dict = None
 749     if args.vnfd_file_hdls is not None:
 750         vnf_dict = create_vnfd_from_files(args.vnfd_file_hdls)
 751
 752     for vnfd in vnf_dict:
 753         openmano_vnfr_ids[vnfd] = vnfd
 754
 755     if args.nsd_file_hdl is not None:
 756         nsd = create_nsd_from_file(args.nsd_file_hdl)
 757
 758     openmano_nsd = rift2openmano_nsd(nsd, vnf_dict, openmano_vnfr_ids,rift_vnfd_id)
 759     vnfd_nsd = rift2openmano_vnfd_nsd(nsd, vnf_dict, openmano_vnfr_ids, rift_vnfd_id)
 760     write_yaml_to_file(openmano_nsd["name"], args.outdir, openmano_nsd)
 761     write_yaml_to_file(vnfd_nsd["name"], args.outdir, vnfd_nsd)
 762     for vnf in vnf_dict.values():
 763         openmano_vnf = rift2openmano_vnfd(vnf, nsd)
 764         write_yaml_to_file(openmano_vnf["vnf"]["name"], args.outdir, openmano_vnf)
 765
 766
 767 if __name__ == "__main__":
 768     logging.basicConfig(level=logging.WARNING)
 769     main()