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 scaling_group_descriptor(self):
  78         return self._nsd.scaling_group_descriptor
  79
  80     @property
  81     def vlds(self):
  82         return self._nsd.vld
  83
  84     @property
  85     def cps(self):
  86         return self._nsd.connection_point
  87
  88     @property
  89     def description(self):
  90         return self._nsd.description
  91
  92     @classmethod
  93     def from_xml_file_hdl(cls, hdl):
  94         hdl.seek(0)
  95         descriptor = RwNsdYang.YangData_Nsd_NsdCatalog_Nsd()
  96         descriptor.from_xml_v2(RiftNSD.model, hdl.read())
  97         return cls(descriptor)
  98
  99     @classmethod
 100     def from_yaml_file_hdl(cls, hdl):
 101         hdl.seek(0)
 102         descriptor = RwNsdYang.YangData_Nsd_NsdCatalog_Nsd()
 103         descriptor.from_yaml(RiftNSD.model, hdl.read())
 104         return cls(descriptor)
 105
 106     @classmethod
 107     def from_dict(cls, nsd_dict):
 108         descriptor = RwNsdYang.YangData_Nsd_NsdCatalog_Nsd.from_dict(nsd_dict)
 109         return cls(descriptor)
 110
 111
 112 class RiftVNFD(object):
 113     model = RwYang.Model.create_libncx()
 114     model.load_module('vnfd')
 115     model.load_module('rw-vnfd')
 116
 117     def __init__(self, descriptor):
 118         self._vnfd = descriptor
 119
 120     def __str__(self):
 121         return str(self._vnfd)
 122
 123     @property
 124     def id(self):
 125         return self._vnfd.id
 126
 127     @property
 128     def name(self):
 129         return self._vnfd.name
 130
 131     @property
 132     def description(self):
 133         return self._vnfd.description
 134
 135     @property
 136     def cps(self):
 137         return self._vnfd.connection_point
 138
 139     @property
 140     def vdus(self):
 141         return self._vnfd.vdu
 142
 143     @property
 144     def internal_vlds(self):
 145         return self._vnfd.internal_vld
 146
 147     @classmethod
 148     def from_xml_file_hdl(cls, hdl):
 149         hdl.seek(0)
 150         descriptor = RwVnfdYang.YangData_Vnfd_VnfdCatalog_Vnfd()
 151         descriptor.from_xml_v2(RiftVNFD.model, hdl.read())
 152         return cls(descriptor)
 153
 154     @classmethod
 155     def from_yaml_file_hdl(cls, hdl):
 156         hdl.seek(0)
 157         descriptor = RwVnfdYang.YangData_Vnfd_VnfdCatalog_Vnfd()
 158         descriptor.from_yaml(RiftVNFD.model, hdl.read())
 159         return cls(descriptor)
 160
 161     @classmethod
 162     def from_dict(cls, vnfd_dict):
 163         descriptor = RwVnfdYang.YangData_Vnfd_VnfdCatalog_Vnfd.from_dict(vnfd_dict)
 164         return cls(descriptor)
 165
 166
 167 def is_writable_directory(dir_path):
 168     """ Returns True if dir_path is writable, False otherwise
 169
 170     Arguments:
 171         dir_path - A directory path
 172     """
 173     if not os.path.exists(dir_path):
 174         raise ValueError("Directory does not exist: %s", dir_path)
 175
 176     try:
 177         testfile = tempfile.TemporaryFile(dir=dir_path)
 178         testfile.close()
 179     except OSError:
 180         return False
 181
 182     return True
 183
 184
 185 def create_vnfd_from_files(vnfd_file_hdls):
 186     """ Create a list of RiftVNFD instances from xml/yaml file handles
 187
 188     Arguments:
 189         vnfd_file_hdls - Rift VNFD XML/YAML file handles
 190
 191     Returns:
 192         A list of RiftVNFD instances
 193     """
 194     vnfd_dict = {}
 195     for vnfd_file_hdl in vnfd_file_hdls:
 196         if vnfd_file_hdl.name.endswith("yaml") or vnfd_file_hdl.name.endswith("yaml"):
 197             vnfd = RiftVNFD.from_yaml_file_hdl(vnfd_file_hdl)
 198         else:
 199             vnfd = RiftVNFD.from_xml_file_hdl(vnfd_file_hdl)
 200         vnfd_dict[vnfd.id] = vnfd
 201
 202     return vnfd_dict
 203
 204
 205 def create_nsd_from_file(nsd_file_hdl):
 206     """ Create a list of RiftNSD instances from yaml/xml file handles
 207
 208     Arguments:
 209         nsd_file_hdls - Rift NSD XML/yaml file handles
 210
 211     Returns:
 212         A list of RiftNSD instances
 213     """
 214     if nsd_file_hdl.name.endswith("yaml") or nsd_file_hdl.name.endswith("yaml"):
 215         nsd = RiftNSD.from_yaml_file_hdl(nsd_file_hdl)
 216     else:
 217         nsd = RiftNSD.from_xml_file_hdl(nsd_file_hdl)
 218     return nsd
 219
 220
 221 def ddict():
 222     return collections.defaultdict(dict)
 223
 224 def convert_vnfd_name(vnfd_name, member_idx):
 225     return vnfd_name + "__" + str(member_idx)
 226
 227
 228 def rift2openmano_nsd(rift_nsd, rift_vnfds, openmano_vnfd_ids, rift_vnfd_id=None):
 229     if rift_vnfd_id is None:
 230         for vnfd_id in rift_nsd.vnfd_ids:
 231             if vnfd_id not in rift_vnfds:
 232                 raise VNFNotFoundError("VNF id %s not provided" % vnfd_id)
 233
 234     openmano = {}
 235     openmano["name"] = rift_nsd.name
 236     if rift_vnfd_id is not None:
 237         for scaling_groups in rift_nsd.scaling_group_descriptor:
 238             openmano["name"] += scaling_groups.name
 239     openmano["description"] = rift_nsd.description
 240     topology = {}
 241     openmano["topology"] = topology
 242
 243     topology["nodes"] = {}
 244     for vnfd in rift_nsd.constituent_vnfds:
 245         vnfd_id = vnfd.vnfd_id_ref
 246         if rift_vnfd_id is not None and rift_vnfd_id != vnfd_id:
 247             continue
 248         rift_vnfd = rift_vnfds[vnfd_id]
 249         member_idx = vnfd.member_vnf_index
 250         openmano_vnfd_id = openmano_vnfd_ids.get(vnfd_id,None)
 251         if openmano_vnfd_id:
 252             topology["nodes"][rift_vnfd.name + "__" + str(member_idx)] = {
 253                 "type": "VNF",
 254                 "vnf_id": openmano_vnfd_id
 255                 }
 256         else:
 257             topology["nodes"][rift_vnfd.name + "__" + str(member_idx)] = {
 258                 "type": "VNF",
 259                 "VNF model": rift_vnfd.name
 260                 }
 261
 262     for vld in rift_nsd.vlds:
 263         # Openmano has both bridge_net and dataplane_net models for network types
 264         # For now, since we are using openmano in developer mode lets just hardcode
 265         # to bridge_net since it won't matter anyways.
 266         # topology["nodes"][vld.name] = {"type": "network", "model": "bridge_net"}
 267         pass
 268
 269     topology["connections"] = {}
 270     for vld in rift_nsd.vlds:
 271
 272         # Create a connections entry for each external VLD
 273         topology["connections"][vld.name] = {}
 274         topology["connections"][vld.name]["nodes"] = []
 275
 276         #if vld.vim_network_name:
 277         if True:
 278             if vld.name not in topology["nodes"]:
 279                 topology["nodes"][vld.name] = {
 280                         "type": "external_network",
 281                         "model": vld.name,
 282                         }
 283
 284             # Add the external network to the list of connection points
 285             topology["connections"][vld.name]["nodes"].append(
 286                     {vld.name: "0"}
 287                     )
 288         elif vld.provider_network.has_field("physical_network"):
 289             # Add the external datacenter network to the topology
 290             # node list if it isn't already added
 291             ext_net_name = vld.provider_network.physical_network
 292             ext_net_name_with_seg = ext_net_name
 293             if vld.provider_network.has_field("segmentation_id"):
 294                 ext_net_name_with_seg += ":{}".format(vld.provider_network.segmentation_id)
 295
 296             if ext_net_name not in topology["nodes"]:
 297                 topology["nodes"][ext_net_name] = {
 298                         "type": "external_network",
 299                         "model": ext_net_name_with_seg,
 300                         }
 301
 302             # Add the external network to the list of connection points
 303             topology["connections"][vld.name]["nodes"].append(
 304                     {ext_net_name: "0"}
 305                     )
 306
 307
 308         for vnfd_cp in vld.vnfd_connection_point_ref:
 309
 310             # Get the RIFT VNF for this external VLD connection point
 311             vnfd = rift_vnfds[vnfd_cp.vnfd_id_ref]
 312
 313             # For each VNF in this connection, use the same interface name
 314             topology["connections"][vld.name]["type"] = "link"
 315             # Vnf ref is the vnf name with the member_vnf_idx appended
 316             member_idx = vnfd_cp.member_vnf_index_ref
 317             vnf_ref = vnfd.name + "__" + str(member_idx)
 318             topology["connections"][vld.name]["nodes"].append(
 319                 {
 320                     vnf_ref: vnfd_cp.vnfd_connection_point_ref
 321                 }
 322             )
 323     return openmano
 324
 325 def rift2openmano_vnfd_nsd(rift_nsd, rift_vnfds, openmano_vnfd_ids,rift_vnfd_id=None):
 326
 327     if rift_vnfd_id not in rift_vnfds:
 328             raise VNFNotFoundError("VNF id %s not provided" % rift_vnfd_id)
 329
 330     openmano_vnfd_nsd = {}
 331     for groups in rift_nsd.scaling_group_descriptor:
 332         openmano_vnfd_nsd["name"] = rift_vnfd_id+'__'+'scaling_group'+'__'+groups.name
 333     openmano_vnfd_nsd["description"] = "Scaling Group"
 334     topology = {}
 335     openmano_vnfd_nsd["topology"] = topology
 336     topology["connections"] = {}
 337     topology["nodes"] = {}
 338     tst_index = []
 339     openmano_vnfd_id = openmano_vnfd_ids.get(rift_vnfd_id,None)
 340     for rvnfd_id in rift_nsd.constituent_vnfds:
 341         if rvnfd_id.vnfd_id_ref == rift_vnfd_id:
 342             topology["nodes"][rift_vnfd_id+'__'+str(rvnfd_id.member_vnf_index)] = {
 343                 "type": "VNF",
 344                 "vnf_id": openmano_vnfd_id
 345             }
 346
 347     for vld in rift_nsd.vlds:
 348
 349         # Create a connections entry for each external VLD
 350         topology["connections"][vld.name] = {}
 351         topology["connections"][vld.name]["nodes"] = []
 352         if True:
 353             if vld.name not in topology["nodes"]:
 354                 topology["nodes"][vld.name] = {
 355                         "type": "external_network",
 356                         "model": vld.name,
 357                         }
 358             topology["connections"][vld.name]["nodes"].append(
 359                     {vld.name: "0"}
 360                     )
 361
 362
 363
 364     for vnfd_cp in vld.vnfd_connection_point_ref:
 365         if not rift_vnfd_id in vnfd_cp.vnfd_id_ref:
 366             continue
 367         if rift_vnfd_id in vnfd_cp.vnfd_id_ref:
 368
 369             # Get the RIFT VNF for this external VLD connection point
 370             vnfd = rift_vnfds[vnfd_cp.vnfd_id_ref]
 371
 372
 373             # For each VNF in this connection, use the same interface name
 374             topology["connections"][vld.name]["type"] = "link"
 375             # Vnf ref is the vnf name with the member_vnf_idx appended
 376             member_idx = vnfd_cp.member_vnf_index_ref
 377             vnf_ref = rift_vnfd_id + "__" + str(member_idx)
 378             topology["connections"][vld.name]["nodes"].append(
 379                 {
 380                     vnf_ref: vnfd_cp.vnfd_connection_point_ref
 381                 }
 382             )
 383     return openmano_vnfd_nsd
 384
 385
 386 def cloud_init(rift_vnfd_id, vdu):
 387     """ Populate cloud_init with script from
 388          either the inline contents or from the file provided
 389     """
 390     vnfd_package_store = rift.package.store.VnfdPackageFilesystemStore(logger)
 391
 392     cloud_init_msg = None
 393     if vdu.cloud_init is not None:
 394         logger.debug("cloud_init script provided inline %s", vdu.cloud_init)
 395         cloud_init_msg = vdu.cloud_init
 396     elif vdu.cloud_init_file is not None:
 397         # Get cloud-init script contents from the file provided in the cloud_init_file param
 398         logger.debug("cloud_init script provided in file %s", vdu.cloud_init_file)
 399         filename = vdu.cloud_init_file
 400         vnfd_package_store.refresh()
 401         stored_package = vnfd_package_store.get_package(rift_vnfd_id)
 402         cloud_init_extractor = rift.package.cloud_init.PackageCloudInitExtractor(logger)
 403         try:
 404             cloud_init_msg = cloud_init_extractor.read_script(stored_package, filename)
 405         except rift.package.cloud_init.CloudInitExtractionError as e:
 406             raise ValueError(e)
 407     else:
 408         logger.debug("VDU translation: cloud-init script not provided")
 409         return
 410
 411     logger.debug("Current cloud init msg is {}".format(cloud_init_msg))
 412     return cloud_init_msg
 413
 414 def config_file_init(rift_vnfd_id, vdu, cfg_file):
 415     """ Populate config file init with file provided
 416     """
 417     vnfd_package_store = rift.package.store.VnfdPackageFilesystemStore(logger)
 418
 419     # Get script contents from the file provided in the cloud_init directory
 420     logger.debug("config file script provided in file {}".format(cfg_file))
 421     filename = cfg_file
 422     vnfd_package_store.refresh()
 423     stored_package = vnfd_package_store.get_package(rift_vnfd_id)
 424     cloud_init_extractor = rift.package.cloud_init.PackageCloudInitExtractor(logger)
 425     try:
 426             cfg_file_msg = cloud_init_extractor.read_script(stored_package, filename)
 427     except rift.package.cloud_init.CloudInitExtractionError as e:
 428             raise ValueError(e)
 429
 430     logger.debug("Current config file msg is {}".format(cfg_file_msg))
 431     return cfg_file_msg
 432
 433 def rift2openmano_vnfd(rift_vnfd, rift_nsd):
 434     openmano_vnf = {"vnf":{}}
 435     vnf = openmano_vnf["vnf"]
 436
 437     vnf["name"] = rift_vnfd.name
 438     vnf["description"] = rift_vnfd.description
 439
 440     vnf["external-connections"] = []
 441
 442     def find_vdu_and_ext_if_by_cp_ref(cp_ref_name):
 443         for vdu in rift_vnfd.vdus:
 444             for ext_if in vdu.external_interface:
 445                 if ext_if.vnfd_connection_point_ref == cp_ref_name:
 446                     return vdu, ext_if
 447
 448         raise ValueError("External connection point reference %s not found" % cp_ref_name)
 449
 450     def find_vdu_and_int_if_by_cp_ref(cp_ref_id):
 451         for vdu in rift_vnfd.vdus:
 452             for int_if in vdu.internal_interface:
 453                 if int_if.vdu_internal_connection_point_ref == cp_ref_id:
 454                     return vdu, int_if
 455
 456         raise ValueError("Internal connection point reference %s not found" % cp_ref_id)
 457
 458     def rift2openmano_if_type(ext_if):
 459
 460         cp_ref_name = ext_if.vnfd_connection_point_ref
 461         for vld in rift_nsd.vlds:
 462
 463             # if it is an explicit mgmt_network then check if the given
 464             # cp_ref is a part of it
 465             if not vld.mgmt_network:
 466                 continue
 467
 468             for vld_cp in vld.vnfd_connection_point_ref:
 469                 if vld_cp.vnfd_connection_point_ref == cp_ref_name:
 470                     return "mgmt"
 471
 472
 473         rift_type = ext_if.virtual_interface.type_yang
 474         # Retaining it for backward compatibility!
 475         if rift_type == "OM_MGMT":
 476             return "mgmt"
 477         elif rift_type == "VIRTIO" or rift_type == "E1000":
 478             return "bridge"
 479         else:
 480             return "data"
 481
 482     def rift2openmano_vif(rift_type):
 483         if rift_type == "VIRTIO":
 484             return "virtio"
 485         elif rift_type == "E1000":
 486             return "e1000"
 487         else:
 488             raise ValueError("VDU Virtual Interface type {} not supported".format(rift_type))
 489
 490     # Add all external connections
 491     for cp in rift_vnfd.cps:
 492         # Find the VDU and and external interface for this connection point
 493         vdu, ext_if = find_vdu_and_ext_if_by_cp_ref(cp.name)
 494         connection = {
 495             "name": cp.name,
 496             "type": rift2openmano_if_type(ext_if),
 497             "VNFC": vdu.name,
 498             "local_iface_name": ext_if.name,
 499             "description": "%s iface on VDU %s" % (ext_if.name, vdu.name),
 500             }
 501
 502         vnf["external-connections"].append(connection)
 503
 504     # Add all internal networks
 505     for vld in rift_vnfd.internal_vlds:
 506         connection = {
 507             "name": vld.name,
 508             "description": vld.description,
 509             "type": "bridge",
 510             "elements": [],
 511             }
 512
 513         # Add the specific VDU connection points
 514         for int_cp in vld.internal_connection_point:
 515             vdu, int_if = find_vdu_and_int_if_by_cp_ref(int_cp.id_ref)
 516             connection["elements"].append({
 517                 "VNFC": vdu.name,
 518                 "local_iface_name": int_if.name,
 519                 })
 520         if "internal-connections" not in vnf:
 521             vnf["internal-connections"] = []
 522
 523         vnf["internal-connections"].append(connection)
 524
 525     # Add VDU's
 526     vnf["VNFC"] = []
 527     for vdu in rift_vnfd.vdus:
 528         vnfc = {
 529             "name": vdu.name,
 530             "description": vdu.name,
 531             "bridge-ifaces": [],
 532             }
 533
 534         if vdu.vm_flavor.has_field("storage_gb") and vdu.vm_flavor.storage_gb:
 535             vnfc["disk"] = vdu.vm_flavor.storage_gb
 536
 537         if vdu.has_field("image"):
 538             if os.path.isabs(vdu.image):
 539                 vnfc["VNFC image"] = vdu.image
 540             else:
 541                 vnfc["image name"] = vdu.image
 542                 if vdu.has_field("image_checksum"):
 543                     vnfc["image checksum"] = vdu.image_checksum
 544
 545         dedicated_int = False
 546         for intf in list(vdu.internal_interface) + list(vdu.external_interface):
 547             if intf.virtual_interface.type_yang in ["SR_IOV", "PCI_PASSTHROUGH"]:
 548                 dedicated_int = True
 549         if vdu.guest_epa.has_field("numa_node_policy") or dedicated_int:
 550             vnfc["numas"] = [{
 551                            "memory": max(int(vdu.vm_flavor.memory_mb/1024), 1),
 552                            "interfaces":[],
 553                            }]
 554             numa_node_policy = vdu.guest_epa.numa_node_policy
 555             if numa_node_policy.has_field("node"):
 556                 numa_node = numa_node_policy.node[0]
 557
 558                 if numa_node.has_field("paired_threads"):
 559                     if numa_node.paired_threads.has_field("num_paired_threads"):
 560                         vnfc["numas"][0]["paired-threads"] = numa_node.paired_threads.num_paired_threads
 561                     if len(numa_node.paired_threads.paired_thread_ids) > 0:
 562                         vnfc["numas"][0]["paired-threads-id"] = []
 563                         for pair in numa_node.paired_threads.paired_thread_ids:
 564                              vnfc["numas"][0]["paired-threads-id"].append(
 565                                      [pair.thread_a, pair.thread_b]
 566                                      )
 567
 568             else:
 569                 if vdu.vm_flavor.has_field("vcpu_count"):
 570                     vnfc["numas"][0]["cores"] = max(vdu.vm_flavor.vcpu_count, 1)
 571
 572         if vdu.vm_flavor.has_field("vcpu_count") and vdu.vm_flavor.vcpu_count:
 573             vnfc["vcpus"] = vdu.vm_flavor.vcpu_count
 574
 575         if vdu.vm_flavor.has_field("memory_mb") and vdu.vm_flavor.memory_mb:
 576             vnfc["ram"] = vdu.vm_flavor.memory_mb
 577
 578
 579         if vdu.has_field("hypervisor_epa"):
 580             vnfc["hypervisor"] = {}
 581             if vdu.hypervisor_epa.has_field("type"):
 582                 if vdu.hypervisor_epa.type_yang == "REQUIRE_KVM":
 583                     vnfc["hypervisor"]["type"] = "QEMU-kvm"
 584
 585             if vdu.hypervisor_epa.has_field("version"):
 586                 vnfc["hypervisor"]["version"] = vdu.hypervisor_epa.version
 587
 588         if vdu.has_field("host_epa"):
 589             vnfc["processor"] = {}
 590             if vdu.host_epa.has_field("om_cpu_model_string"):
 591                 vnfc["processor"]["model"] = vdu.host_epa.om_cpu_model_string
 592             if vdu.host_epa.has_field("om_cpu_feature"):
 593                 vnfc["processor"]["features"] = []
 594                 for feature in vdu.host_epa.om_cpu_feature:
 595                     vnfc["processor"]["features"].append(feature.feature)
 596
 597         if vdu.has_field("volumes"):
 598             vnfc["devices"] = []
 599             # Sort volumes as device-list is implictly ordered by Openmano
 600             newvollist = sorted(vdu.volumes, key=lambda k: k.name)
 601             for iter_num, volume in enumerate(newvollist):
 602                 if iter_num == 0:
 603                     # Convert the first volume to vnfc.image
 604                     if os.path.isabs(volume.image):
 605                         vnfc["VNFC image"] = volume.image
 606                     else:
 607                         vnfc["image name"] = volume.image
 608                         if volume.has_field("image_checksum"):
 609                             vnfc["image checksum"] = volume.image_checksum
 610                 else:
 611                     # Add Openmano devices
 612                     device = {}
 613                     device["type"] = volume.device_type
 614                     device["image name"] = volume.image
 615                     if volume.has_field("image_checksum"):
 616                         device["image checksum"] = volume.image_checksum
 617                     vnfc["devices"].append(device)
 618
 619         vnfc_boot_data_init = False
 620         if vdu.has_field("cloud_init") or vdu.has_field("cloud_init_file"):
 621             vnfc['boot-data'] = dict()
 622             vnfc_boot_data_init = True
 623             vnfc['boot-data']['user-data'] = cloud_init(rift_vnfd.id, vdu)
 624
 625         if vdu.has_field("supplemental_boot_data"):
 626             if vdu.supplemental_boot_data.has_field('boot_data_drive'):
 627                 if vdu.supplemental_boot_data.boot_data_drive is True:
 628                     if vnfc_boot_data_init is False:
 629                         vnfc['boot-data'] = dict()
 630                         vnfc_boot_data_init = True
 631                     vnfc['boot-data']['boot-data-drive'] = vdu.supplemental_boot_data.boot_data_drive
 632
 633             if vdu.supplemental_boot_data.has_field('config_file'):
 634                 om_cfgfile_list = list()
 635                 for custom_config_file in vdu.supplemental_boot_data.config_file:
 636                     cfg_source = config_file_init(rift_vnfd.id, vdu, custom_config_file.source)
 637                     om_cfgfile_list.append({"dest":custom_config_file.dest, "content": cfg_source})
 638                 vnfc['boot-data']['config-files'] = om_cfgfile_list
 639
 640
 641         vnf["VNFC"].append(vnfc)
 642
 643         for int_if in list(vdu.internal_interface) + list(vdu.external_interface):
 644             intf = {
 645                 "name": int_if.name,
 646                 }
 647             if int_if.virtual_interface.has_field("vpci"):
 648                 intf["vpci"] = int_if.virtual_interface.vpci
 649
 650             if int_if.virtual_interface.type_yang in ["VIRTIO", "E1000"]:
 651                 intf["model"] = rift2openmano_vif(int_if.virtual_interface.type_yang)
 652                 vnfc["bridge-ifaces"].append(intf)
 653
 654             elif int_if.virtual_interface.type_yang in ["OM_MGMT"]:
 655                 vnfc["bridge-ifaces"].append(intf)
 656
 657             elif int_if.virtual_interface.type_yang == "SR_IOV":
 658                 intf["bandwidth"] = "10 Gbps"
 659                 intf["dedicated"] = "no"
 660                 vnfc["numas"][0]["interfaces"].append(intf)
 661
 662             elif int_if.virtual_interface.type_yang == "PCI_PASSTHROUGH":
 663                 intf["bandwidth"] = "10 Gbps"
 664                 intf["dedicated"] = "yes"
 665                 if "interfaces" not in vnfc["numas"][0]:
 666                     vnfc["numas"][0]["interfaces"] = []
 667                 vnfc["numas"][0]["interfaces"].append(intf)
 668             else:
 669                 raise ValueError("Interface type %s not supported" % int_if.virtual_interface)
 670
 671             if int_if.virtual_interface.has_field("bandwidth"):
 672                 if int_if.virtual_interface.bandwidth != 0:
 673                     bps = int_if.virtual_interface.bandwidth
 674
 675                     # Calculate the bits per second conversion
 676                     for x in [('M', 1000000), ('G', 1000000000)]:
 677                         if bps/x[1] >= 1:
 678                             intf["bandwidth"] = "{} {}bps".format(math.ceil(bps/x[1]), x[0])
 679
 680         # Sort bridge-ifaces-list TODO sort others
 681         newlist = sorted(vnfc["bridge-ifaces"], key=lambda k: k['name'])
 682         vnfc["bridge-ifaces"] = newlist
 683
 684     return openmano_vnf
 685
 686
 687 def parse_args(argv=sys.argv[1:]):
 688     """ Parse the command line arguments
 689
 690     Arguments:
 691         arv - The list of arguments to parse
 692
 693     Returns:
 694         Argparse Namespace instance
 695     """
 696     parser = argparse.ArgumentParser()
 697     parser.add_argument(
 698         '-o', '--outdir',
 699         default='-',
 700         help="Directory to output converted descriptors. Default is stdout",
 701         )
 702
 703     parser.add_argument(
 704         '-n', '--nsd-file-hdl',
 705         metavar="nsd_file",
 706         type=argparse.FileType('r'),
 707         help="Rift NSD Descriptor File",
 708         )
 709
 710     parser.add_argument(
 711         '-v', '--vnfd-file-hdls',
 712         metavar="vnfd_file",
 713         action='append',
 714         type=argparse.FileType('r'),
 715         help="Rift VNFD Descriptor File",
 716         )
 717
 718     args = parser.parse_args(argv)
 719
 720     if not os.path.exists(args.outdir):
 721         os.makedirs(args.outdir)
 722
 723     if not is_writable_directory(args.outdir):
 724         logging.error("Directory %s is not writable", args.outdir)
 725         sys.exit(1)
 726
 727     return args
 728
 729
 730 def write_yaml_to_file(name, outdir, desc_dict):
 731     file_name = "%s.yaml" % name
 732     yaml_str = yaml.dump(desc_dict)
 733     if outdir == "-":
 734         sys.stdout.write(yaml_str)
 735         return
 736
 737     file_path = os.path.join(outdir, file_name)
 738     dir_path = os.path.dirname(file_path)
 739     if not os.path.exists(dir_path):
 740         os.makedirs(dir_path)
 741
 742     with open(file_path, "w") as hdl:
 743         hdl.write(yaml_str)
 744
 745     logger.info("Wrote descriptor to %s", file_path)
 746
 747
 748 def main(argv=sys.argv[1:]):
 749     args = parse_args(argv)
 750     nsd = None
 751     openmano_vnfr_ids = dict()
 752     vnf_dict = None
 753     if args.vnfd_file_hdls is not None:
 754         vnf_dict = create_vnfd_from_files(args.vnfd_file_hdls)
 755
 756     for vnfd in vnf_dict:
 757         openmano_vnfr_ids[vnfd] = vnfd
 758
 759     if args.nsd_file_hdl is not None:
 760         nsd = create_nsd_from_file(args.nsd_file_hdl)
 761
 762     openmano_nsd = rift2openmano_nsd(nsd, vnf_dict, openmano_vnfr_ids)
 763     vnfd_nsd = rift2openmano_vnfd_nsd(nsd, vnf_dict, openmano_vnfr_ids)
 764     write_yaml_to_file(openmano_nsd["name"], args.outdir, openmano_nsd)
 765     write_yaml_to_file(vnfd_nsd["name"], args.outdir, vnfd_nsd)
 766     for vnf in vnf_dict.values():
 767         openmano_vnf = rift2openmano_vnfd(vnf, nsd)
 768         write_yaml_to_file(openmano_vnf["vnf"]["name"], args.outdir, openmano_vnf)
 769
 770
 771 if __name__ == "__main__":
 772     logging.basicConfig(level=logging.WARNING)
 773     main()