osm_im/im_translation.py

   1 # -*- coding: utf-8 -*-
   2
   3 # Copyright 2020 Whitestack, LLC
   4 # *************************************************************
   5 #
   6 # This file is part of OSM common repository.
   7 # All Rights Reserved to Whitestack, LLC
   8 #
   9 # Licensed under the Apache License, Version 2.0 (the "License"); you may
  10 # not use this file except in compliance with the License. You may obtain
  11 # a copy of the License at
  12 #
  13 #         http://www.apache.org/licenses/LICENSE-2.0
  14 #
  15 # Unless required by applicable law or agreed to in writing, software
  16 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  17 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  18 # License for the specific language governing permissions and limitations
  19 # under the License.
  20 #
  21 # For those usages not covered by the Apache License, Version 2.0 please
  22 # contact: agarcia@whitestack.com
  23 ##
  24
  25 from osm_im.validation import Validation, ValidationException
  26
  27
  28 class TranslationException(Exception):
  29     pass
  30
  31
  32 # ******************** Translation public functions ********************
  33
  34 def translate_im_model_to_sol006(im_model_data):
  35     _validate_im_model(im_model_data)
  36     descriptor_type = _get_im_model_descriptor_type(im_model_data)
  37     if descriptor_type == "vnfd":
  38         return translate_im_vnfd_to_sol006(im_model_data)
  39     if descriptor_type == "nsd":
  40         return translate_im_nsd_to_sol006(im_model_data)
  41     # For sanity, should not happen
  42     raise TranslationException("Error in translation: cannot determine the type of OSM-IM descriptor. Found {}, "
  43                                "expected one of: vnfd:vnfd-catalog, vnfd-catalog, nsd:nsd-catalog, nsd-catalog."
  44                                .format(descriptor_type))
  45
  46
  47 def translate_im_vnfd_to_sol006(im_vnfd):
  48     im_vnfd = _remove_im_vnfd_envelope(im_vnfd)
  49     sol006_vnfd = {}
  50     _add_im_vnfd_basic_data_to_sol006_vnfd(im_vnfd, sol006_vnfd)
  51     _add_im_vnfd_mgmt_interface_cp_to_sol006_vnfd(im_vnfd, sol006_vnfd)
  52     _add_im_vdu_flavors_to_sol006_vnfd(im_vnfd, sol006_vnfd)
  53     _add_im_vdu_guest_epa_to_sol006_vnfd(im_vnfd, sol006_vnfd)
  54     _add_im_vdu_images_to_sol006_vnfd(im_vnfd, sol006_vnfd)
  55     _add_im_vdus_to_sol006_vnfd(im_vnfd, sol006_vnfd)
  56     _add_im_internal_vlds_to_sol006_vfnd(im_vnfd, sol006_vnfd)
  57     _add_im_vnf_configuration_to_sol006_vnfd(im_vnfd, sol006_vnfd)
  58     _add_im_ip_profiles_to_sol006_vnfd(im_vnfd, sol006_vnfd)
  59     _add_im_vdu_monitoring_params_to_sol006_vnfd(im_vnfd, sol006_vnfd)
  60     _add_im_scaling_group_descriptors_to_sol006_vnfd(im_vnfd, sol006_vnfd)
  61     _add_im_kdus_to_sol006_vnfd(im_vnfd, sol006_vnfd)
  62     _add_im_k8s_clusters_to_sol006_vnfd(im_vnfd, sol006_vnfd)
  63     _add_im_placement_groups_to_sol006_vnfd(im_vnfd, sol006_vnfd)
  64     return {"vnfd": sol006_vnfd}
  65
  66
  67 def translate_im_nsd_to_sol006(im_nsd):
  68     im_nsd = _remove_im_nsd_envelope(im_nsd)
  69     sol006_nsd = {}
  70     _add_im_nsd_basic_data_to_sol006_nsd(im_nsd, sol006_nsd)
  71     _add_im_constituent_vnfds_to_sol006_nsd(im_nsd, sol006_nsd)
  72     _add_im_vlds_to_sol006_nsd(im_nsd, sol006_nsd)
  73     return {"nsd": {"nsd": [sol006_nsd]}}
  74
  75
  76 # ******************** Common translation private functions ********************
  77
  78 def _validate_im_model(im_model_data):
  79     descriptor_type = _get_im_model_descriptor_type(im_model_data)
  80     try:
  81         Validation().pyangbind_validation(descriptor_type, im_model_data)
  82     except ValidationException as e:
  83         raise TranslationException("Error on input model validation: {}".format(str(e)))
  84
  85
  86 def _get_im_model_descriptor_type(im_model_data):
  87     data_root = list(im_model_data.keys())[0]
  88     if "vnfd" in data_root:
  89         return "vnfd"
  90     if "nsd" in data_root:
  91         return "nsd"
  92     raise TranslationException("Error in translation: cannot determine the type of OSM-IM descriptor. Found {}, "
  93                                "expected one of: vnfd:vnfd-catalog, vnfd-catalog, nsd:nsd-catalog, nsd-catalog."
  94                                .format(data_root))
  95
  96
  97 # ******************** VNFD translation private functions ********************
  98
  99 def _remove_im_vnfd_envelope(im_vnfd):
 100     # Data is wrapped as { vnfd-catalog: { vnfd: [ <data> ] } }
 101     return list(im_vnfd.values())[0]["vnfd"][0]
 102
 103
 104 def _add_im_vnfd_basic_data_to_sol006_vnfd(im_vnfd, sol006_vnfd):
 105     sol006_vnfd["id"] = im_vnfd["id"]
 106     if im_vnfd.get("name"):
 107         sol006_vnfd["product-name"] = im_vnfd["name"]
 108     if im_vnfd.get("description"):
 109         sol006_vnfd["description"] = im_vnfd["description"]
 110     if im_vnfd.get("vendor"):
 111         sol006_vnfd["provider"] = im_vnfd["vendor"]
 112     if im_vnfd.get("version"):
 113         sol006_vnfd["version"] = im_vnfd["version"]
 114
 115
 116 def _add_im_vnfd_mgmt_interface_cp_to_sol006_vnfd(im_vnfd, sol006_vnfd):
 117     sol006_vnfd["mgmt-cp"] = "{}-ext".format(im_vnfd["mgmt-interface"]["cp"])
 118
 119
 120 def _add_im_vdu_flavors_to_sol006_vnfd(im_vnfd, sol006_vnfd):
 121     storage_descriptors = []
 122     compute_descriptors = []
 123     for vdu in im_vnfd.get("vdu", ()):
 124         vdu_id = vdu.get("id")
 125         vdu_flavor = vdu.get("vm-flavor")
 126         if not vdu_flavor:
 127             continue
 128         storage_descriptor = {"id": "{}-storage".format(vdu_id)}
 129         compute_descriptor = {"id": "{}-compute".format(vdu_id)}
 130         if vdu_flavor.get("storage-gb"):
 131             storage_descriptor["size-of-storage"] = int(vdu_flavor["storage-gb"])
 132             storage_descriptors.append(storage_descriptor)
 133         if vdu_flavor.get("vcpu-count"):
 134             compute_descriptor["virtual-cpu"] = {"num-virtual-cpu": int(vdu_flavor["vcpu-count"])}
 135         if vdu_flavor.get("memory-mb"):
 136             compute_descriptor["virtual-memory"] = {"size": float(vdu_flavor["memory-mb"]) / 1024.0}
 137         if len(compute_descriptor) > 1:
 138             compute_descriptors.append(compute_descriptor)
 139     if len(storage_descriptors) > 0:
 140         sol006_vnfd["virtual-storage-desc"] = storage_descriptors
 141     if len(compute_descriptors) > 0:
 142         sol006_vnfd["virtual-compute-desc"] = compute_descriptors
 143
 144
 145 def _add_im_vdu_guest_epa_to_sol006_vnfd(im_vnfd, sol006_vnfd):
 146     for vdu in im_vnfd.get("vdu", ()):
 147         vdu_guest_epa = vdu.get("guest-epa")
 148         if not vdu_guest_epa:
 149             continue
 150
 151         _add_im_vdu_guest_epa_memory_and_cpu_to_sol006_vnfd(vdu, sol006_vnfd)
 152         _add_im_vdu_guest_epa_disk_io_to_sol006_vnfd(vdu, sol006_vnfd)
 153
 154
 155 def _add_im_vdu_guest_epa_memory_and_cpu_to_sol006_vnfd(im_vdu, sol006_vnfd):
 156     vdu_guest_epa = im_vdu.get("guest-epa")
 157     virtual_memory = _get_virtual_memory_from_im_vdu_guest_epa(vdu_guest_epa)
 158     virtual_cpu = _get_virtual_cpu_from_im_vdu_guest_epa(vdu_guest_epa)
 159     # Find this vdu compute descriptor and update it with the EPA options. If the
 160     # vdu compute descriptor does not exist, create one with the EPA options only.
 161     compute_descriptor_id = "{}-compute".format(im_vdu["id"])
 162     compute_descriptor = {"id": compute_descriptor_id}
 163     compute_descriptor_found = False
 164     for vcd in sol006_vnfd.get("virtual-compute-desc", ()):
 165         if vcd.get("id") == compute_descriptor_id:
 166             compute_descriptor = vcd
 167             compute_descriptor_found = True
 168
 169     compute_descriptor_virtual_memory = compute_descriptor.get("virtual-memory", {})
 170     compute_descriptor_virtual_cpu = compute_descriptor.get("virtual-cpu", {})
 171     compute_descriptor_virtual_memory.update(virtual_memory)
 172     compute_descriptor_virtual_cpu.update(virtual_cpu)
 173     if compute_descriptor_virtual_memory:
 174         compute_descriptor["virtual-memory"] = compute_descriptor_virtual_memory
 175     if compute_descriptor_virtual_cpu:
 176         compute_descriptor["virtual-cpu"] = compute_descriptor_virtual_cpu
 177
 178     if not compute_descriptor_found:
 179         if sol006_vnfd.get("virtual-compute-desc"):
 180             sol006_vnfd["virtual-compute-desc"].append(compute_descriptor)
 181         else:
 182             sol006_vnfd["virtual-compute-desc"] = [compute_descriptor]
 183
 184
 185 def _add_im_vdu_guest_epa_disk_io_to_sol006_vnfd(im_vdu, sol006_vnfd):
 186     vdu_guest_epa = im_vdu.get("guest-epa")
 187     disk_io_quota = vdu_guest_epa.get("disk-io-quota", {})
 188     if not disk_io_quota:
 189         return
 190     # Find this vdu storage descriptor and update it with the EPA options. If the
 191     # vdu storage descriptor does not exist, create one with the EPA options only.
 192     storage_descriptor_id = "{}-storage".format(im_vdu["id"])
 193     storage_descriptor = {"id": storage_descriptor_id}
 194     storage_descriptor_found = False
 195     for vsd in sol006_vnfd.get("virtual-storage-desc", ()):
 196         if vsd.get("id") == storage_descriptor_id:
 197             storage_descriptor = vsd
 198             storage_descriptor_found = True
 199
 200     storage_descriptor["disk-io-quota"] = disk_io_quota
 201     if not storage_descriptor_found:
 202         if sol006_vnfd.get("virtual-storage-desc"):
 203             sol006_vnfd["virtual-storage-desc"].append(storage_descriptor)
 204         else:
 205             sol006_vnfd["virtual-storage-desc"] = [storage_descriptor]
 206
 207
 208 def _get_virtual_memory_from_im_vdu_guest_epa(im_vdu_guest_epa):
 209     virtual_memory = {}
 210     if im_vdu_guest_epa.get("mempage-size"):
 211         virtual_memory["mempage-size"] = im_vdu_guest_epa["mempage-size"]
 212     if im_vdu_guest_epa.get("numa-node-policy"):
 213         virtual_memory["numa-enabled"] = True
 214         virtual_memory["numa-node-policy"] = im_vdu_guest_epa["numa-node-policy"]
 215     if im_vdu_guest_epa.get("mem-quota"):
 216         virtual_memory["mem-quota"] = im_vdu_guest_epa["mem-quota"]
 217     return virtual_memory
 218
 219
 220 def _get_virtual_cpu_from_im_vdu_guest_epa(im_vdu_guest_epa):
 221     virtual_cpu = {}
 222     if im_vdu_guest_epa.get("cpu-pinning-policy") or im_vdu_guest_epa.get("cpu-thread-pinning-policy"):
 223         virtual_cpu["pinning"] = {}
 224         if im_vdu_guest_epa.get("cpu-pinning-policy"):
 225             if im_vdu_guest_epa["cpu-pinning-policy"] == "SHARED":
 226                 virtual_cpu["pinning"]["policy"] = "dynamic"
 227             else:
 228                 virtual_cpu["pinning"]["policy"] = "static"
 229         if im_vdu_guest_epa.get("cpu-thread-pinning-policy"):
 230             virtual_cpu["pinning"]["thread-policy"] = im_vdu_guest_epa["cpu-thread-pinning-policy"]
 231     if im_vdu_guest_epa.get("cpu-quota"):
 232         virtual_cpu["cpu-quota"] = im_vdu_guest_epa["cpu-quota"]
 233     return virtual_cpu
 234
 235
 236 def _add_im_vdu_images_to_sol006_vnfd(im_vnfd, sol006_vnfd):
 237     image_descriptors = []
 238     all_images = set()  # To avoid duplicated images
 239     for vdu in im_vnfd.get("vdu", ()):
 240         vdu_image = vdu.get("image")
 241         if vdu_image and vdu_image not in all_images:
 242             image_descriptors.append({"id": vdu_image, "name": vdu_image, "image": vdu_image})
 243             all_images.add(vdu_image)
 244         for alternative_image in vdu.get("alternative-images", ()):
 245             alt_image = alternative_image.get("image")
 246             alt_image_descriptor = {"id": alt_image, "name": alt_image, "image": alt_image}
 247             if alternative_image.get("vim-type"):
 248                 alt_image_descriptor["vim-type"] = alternative_image["vim-type"]
 249             if alt_image not in all_images:
 250                 image_descriptors.append(alt_image_descriptor)
 251                 all_images.add(alt_image)
 252
 253     if len(image_descriptors) > 0:
 254         sol006_vnfd["sw-image-desc"] = image_descriptors
 255
 256
 257 def _add_im_vdus_to_sol006_vnfd(im_vnfd, sol006_vnfd):
 258     vdus = []
 259     ext_cpds = []
 260     vdu_configurations = []
 261     df_instantiation_level = {"id": "default-instantiation-level", "vdu-level": []}
 262     df = {"id": "default-df", "vdu-profile": [], "instantiation-level": [df_instantiation_level]}
 263     for vdu in im_vnfd.get("vdu", ()):
 264         vdu_descriptor = {"id": vdu["id"]}
 265         if vdu.get("description"):
 266             vdu_descriptor["description"] = vdu["description"]
 267         if vdu.get("name"):
 268             vdu_descriptor["name"] = vdu["name"]
 269         if vdu.get("cloud-init-file"):
 270             vdu_descriptor["cloud-init-file"] = vdu["cloud-init-file"]
 271         if vdu.get("supplemental-boot-data"):
 272             vdu_descriptor["supplemental-boot-data"] = vdu["supplemental-boot-data"]
 273         if vdu.get("alarm"):
 274             vdu_descriptor["alarm"] = vdu["alarm"]
 275         if vdu.get("pdu-type"):
 276             vdu_descriptor["pdu-type"] = vdu["pdu-type"]
 277
 278         _add_im_vdu_images_to_sol006_vdu(vdu, vdu_descriptor)
 279         _add_im_vdu_flavor_to_sol006_vdu(vdu, vdu_descriptor)
 280
 281         vdu_int_cpds, vdu_ext_cpds = _get_int_and_ext_cpds_from_im_vdu(vdu, im_vnfd)
 282         vdu_descriptor["int-cpd"] = vdu_int_cpds
 283         ext_cpds.extend(vdu_ext_cpds)
 284
 285         vdu_profile = _get_vdu_profile_from_im_vdu(vdu, im_vnfd)
 286         vdu_level = _get_instantiation_level_vdu_level_from_im_vdu(vdu)
 287         if vdu.get("vdu-configuration"):
 288             vdu_configuration = vdu["vdu-configuration"]
 289             vdu_configuration["id"] = "{}-vdu-configuration".format(vdu["id"])
 290             vdu_configurations.append(vdu_configuration)
 291         df["vdu-profile"].append(vdu_profile)
 292         df["instantiation-level"][0]["vdu-level"].append(vdu_level)
 293
 294         vdus.append(vdu_descriptor)
 295
 296     if len(vdus) > 0:
 297         sol006_vnfd["vdu"] = vdus
 298         sol006_vnfd["df"] = [df]
 299     if len(ext_cpds) > 0:
 300         sol006_vnfd["ext-cpd"] = ext_cpds
 301     if len(vdu_configurations) > 0:
 302         sol006_vnfd["vdu-configuration"] = vdu_configurations
 303
 304
 305 def _add_im_vdu_images_to_sol006_vdu(im_vdu, sol006_vdu):
 306     if im_vdu.get("image"):
 307         sol006_vdu["sw-image-desc"] = im_vdu["image"]
 308     alternative_images = []
 309     for alternative_image in im_vdu.get("alternative-images", ()):
 310         alternative_images.append(alternative_image.get("image"))
 311     if len(alternative_images) > 0:
 312         sol006_vdu["alternative-sw-image-desc"] = alternative_images
 313
 314
 315 def _add_im_vdu_flavor_to_sol006_vdu(im_vdu, sol006_vdu):
 316     vdu_flavor = im_vdu.get("vm-flavor")
 317     if vdu_flavor:
 318         if vdu_flavor.get("vcpu-count") or vdu_flavor.get("memory-mb"):
 319             sol006_vdu["virtual-compute-desc"] = "{}-compute".format(im_vdu["id"])
 320         if vdu_flavor.get("storage-gb"):
 321             sol006_vdu["virtual-storage-desc"] = ["{}-storage".format(im_vdu["id"])]
 322
 323
 324 def _get_int_and_ext_cpds_from_im_vdu(im_vdu, im_vnfd):
 325     int_cpds = []
 326     ext_cpds = []
 327     for interface in im_vdu.get("interface", ()):
 328         int_cpd = {"id": "{}-int".format(interface["name"])}
 329         virtual_network_interface_requirement = {"name": interface["name"]}
 330         if interface.get("virtual-interface"):
 331             virtual_network_interface_requirement["virtual-interface"] = interface["virtual-interface"]
 332         if "position" in interface:
 333             virtual_network_interface_requirement["position"] = int(interface["position"])
 334         int_cpd["virtual-network-interface-requirement"] = [virtual_network_interface_requirement]
 335         if interface.get("external-connection-point-ref"):
 336             ext_cpd = {
 337                 "id": "{}-ext".format(interface["external-connection-point-ref"]),
 338                 "int-cpd": {
 339                     "vdu-id": im_vdu["id"],
 340                     "cpd": int_cpd["id"]
 341                 }
 342             }
 343             for cp in im_vnfd.get("connection-point", ()):
 344                 if cp.get("name", "") != interface["external-connection-point-ref"]:
 345                     continue
 346                 if "port-security-enabled" in cp:
 347                     ext_cpd["port-security-enabled"] = cp["port-security-enabled"]
 348                 if cp.get("port-security-disable-strategy"):
 349                     ext_cpd["port-security-disable-strategy"] = cp["port-security-disable-strategy"]
 350             ext_cpds.append(ext_cpd)
 351
 352         int_cpds.append(int_cpd)
 353
 354     return int_cpds, ext_cpds
 355
 356
 357 def _get_vdu_profile_from_im_vdu(im_vdu, im_vnfd):
 358     vdu_profile = {"id": im_vdu["id"]}
 359     initial_instances = int(im_vdu.get("count", 1))
 360     vdu_profile["min-number-of-instances"] = initial_instances
 361     for scaling_group_descriptor in im_vnfd.get("scaling-group-descriptor", ()):
 362         for sgd_vdu in scaling_group_descriptor.get("vdu", []):
 363             if sgd_vdu.get("vdu-id-ref") == im_vdu["id"]:
 364                 sgd_max_instances = int(scaling_group_descriptor.get("max-instance-count", 1))
 365                 sgd_min_instances = int(scaling_group_descriptor.get("min-instance-count", 0))
 366                 vdu_profile["min-number-of-instances"] = sgd_min_instances + initial_instances
 367                 vdu_profile["max-number-of-instances"] = sgd_max_instances + initial_instances
 368     if im_vdu.get("vdu-configuration"):
 369         vdu_profile["vdu-configuration-id"] = "{}-vdu-configuration".format(im_vdu["id"])
 370     return vdu_profile
 371
 372
 373 def _get_instantiation_level_vdu_level_from_im_vdu(im_vdu):
 374     vdu_level = {"vdu-id": im_vdu["id"]}
 375     vdu_level["number-of-instances"] = int(im_vdu.get("count", 1))
 376     return vdu_level
 377
 378
 379 def _add_im_internal_vlds_to_sol006_vfnd(im_vnfd, sol006_vnfd):
 380     int_virtual_link_descs = []
 381     for ivld in im_vnfd.get("internal-vld", ()):
 382         int_virtual_link_desc = {"id": ivld["id"]}
 383         _add_im_internal_vld_connection_point_refs_to_sol006_vnfd(ivld, im_vnfd, sol006_vnfd)
 384
 385         int_virtual_link_descs.append(int_virtual_link_desc)
 386
 387     if len(int_virtual_link_descs) > 0:
 388         sol006_vnfd["int-virtual-link-desc"] = int_virtual_link_descs
 389
 390
 391 def _add_im_internal_vld_connection_point_refs_to_sol006_vnfd(ivld, im_vnfd, sol006_vnfd):
 392     all_int_cp_refs_interfaces = {}
 393     for vdu in im_vnfd.get("vdu", ()):
 394         for interface in vdu.get("interface", ()):
 395             int_cp_ref = interface.get("internal-connection-point-ref")
 396             if not int_cp_ref:
 397                 continue
 398             all_int_cp_refs_interfaces[int_cp_ref] = (vdu["id"], interface["name"])
 399
 400     for int_cp in ivld.get("internal-connection-point", ()):
 401         int_cp_ref = int_cp["id-ref"]
 402         (vdu_id, interface_name) = all_int_cp_refs_interfaces[int_cp_ref]
 403         sol006_int_cpd_id = "{}-int".format(interface_name)
 404         # Search for this int_cp on sol006_vnfd and update it
 405         for vdu in sol006_vnfd.get("vdu", ()):
 406             if vdu["id"] != vdu_id:
 407                 continue
 408             for int_cpd in vdu.get("int-cpd", ()):
 409                 if int_cpd["id"] == sol006_int_cpd_id:
 410                     int_cpd["int-virtual-link-desc"] = ivld["id"]
 411
 412
 413 def _add_im_vnf_configuration_to_sol006_vnfd(im_vnfd, sol006_vnfd):
 414     vnf_configuration = im_vnfd.get("vnf-configuration")
 415     if not vnf_configuration:
 416         return
 417     vnf_configuration["id"] = "default-vnf-configuration"
 418     sol006_vnfd["vnf-configuration"] = [vnf_configuration]
 419     sol006_vnfd["df"][0]["vnf-configuration-id"] = vnf_configuration["id"]
 420
 421
 422 def _add_im_ip_profiles_to_sol006_vnfd(im_vnfd, sol006_vnfd):
 423     all_ivlds_ip_profiles = {}
 424     for ivld in im_vnfd.get("internal-vld", ()):
 425         if ivld.get("ip-profile-ref"):
 426             all_ivlds_ip_profiles[ivld["ip-profile-ref"]] = ivld["id"]
 427
 428     virtual_link_profiles = []
 429     for ip_profile in im_vnfd.get("ip-profiles", ()):
 430         virtual_link_profile = {"id": all_ivlds_ip_profiles[ip_profile["name"]], "flavour": ""}
 431         ip_profile_params = ip_profile.get("ip-profile-params")
 432         if ip_profile_params:
 433             l3_protocol_data = {"name": "{}-l3-protocol-data".format(virtual_link_profile["id"])}
 434             if ip_profile_params.get("ip-version"):
 435                 l3_protocol_data["ip-version"] = ip_profile_params["ip-version"]
 436             if ip_profile_params.get("subnet-address"):
 437                 l3_protocol_data["cidr"] = ip_profile_params["subnet-address"]
 438             if ip_profile_params.get("gateway-address"):
 439                 l3_protocol_data["gateway-ip"] = ip_profile_params["gateway-address"]
 440             if ip_profile_params.get("security-group"):
 441                 l3_protocol_data["security-group"] = ip_profile_params["security-group"]
 442             if ip_profile_params.get("dhcp-params", {}).get("enabled"):
 443                 l3_protocol_data["dhcp-enabled"] = ip_profile_params["dhcp-params"]["enabled"]
 444             if ip_profile.get("description"):
 445                 l3_protocol_data["description"] = ip_profile["description"]
 446
 447             virtual_link_profile["virtual-link-protocol-data"] = {"l3-protocol-data": l3_protocol_data}
 448
 449         virtual_link_profiles.append(virtual_link_profile)
 450
 451     if len(virtual_link_profiles) > 0:
 452         sol006_vnfd["df"][0]["virtual-link-profile"] = virtual_link_profiles
 453
 454
 455 def _add_im_vdu_monitoring_params_to_sol006_vnfd(im_vnfd, sol006_vnfd):
 456     all_vdu_monitoring_param_metrics = {}
 457     for vdu in im_vnfd.get("vdu", ()):
 458         for monitoring_param in vdu.get("monitoring-param", ()):
 459             monitoring_param_metric = monitoring_param.get("nfvi-metric")
 460             if monitoring_param_metric:
 461                 all_vdu_monitoring_param_metrics[(vdu["id"], monitoring_param["id"])] = monitoring_param_metric
 462
 463     for monitoring_param in im_vnfd.get("monitoring-param", ()):
 464         sol006_mp = {"id": monitoring_param["id"]}
 465         if monitoring_param.get("name"):
 466             sol006_mp["name"] = monitoring_param["name"]
 467         if monitoring_param.get("vdu-monitoring-param"):
 468             monitoring_param_vdu_id = monitoring_param["vdu-monitoring-param"].get("vdu-ref")
 469             monitoring_param_id = monitoring_param["vdu-monitoring-param"].get("vdu-monitoring-param-ref")
 470             metric = all_vdu_monitoring_param_metrics.get((monitoring_param_vdu_id, monitoring_param_id))
 471             if metric:
 472                 sol006_mp["performance-metric"] = metric
 473             # Find that vdu inside sol006_vnfd and update its monitoring-parameter list
 474             for vdu in sol006_vnfd.get("vdu", ()):
 475                 if vdu["id"] != monitoring_param_vdu_id:
 476                     continue
 477                 if vdu.get("monitoring-parameter"):
 478                     vdu["monitoring-parameter"].append(sol006_mp)
 479                 else:
 480                     vdu["monitoring-parameter"] = [sol006_mp]
 481
 482
 483 def _add_im_scaling_group_descriptors_to_sol006_vnfd(im_vnfd, sol006_vnfd):
 484     scaling_aspects = []
 485     for scaling_group_descriptor in im_vnfd.get("scaling-group-descriptor", ()):
 486         scaling_aspect = {"id": scaling_group_descriptor["name"], "name": scaling_group_descriptor["name"]}
 487         if scaling_group_descriptor.get("max-instance-count"):
 488             scaling_aspect["max-scale-level"] = int(scaling_group_descriptor["max-instance-count"])
 489         if scaling_group_descriptor.get("scaling-policy"):
 490             scaling_aspect["scaling-policy"] = scaling_group_descriptor["scaling-policy"]
 491         if scaling_group_descriptor.get("scaling-config-action"):
 492             scaling_aspect["scaling-config-action"] = scaling_group_descriptor["scaling-config-action"]
 493
 494         delta = {"id": "{}-delta".format(scaling_aspect["id"])}
 495         vdu_deltas = []
 496         for vdu in scaling_group_descriptor.get("vdu", ()):
 497             vdu_delta = {}
 498             if vdu.get("count"):
 499                 vdu_delta["number-of-instances"] = int(vdu["count"])
 500             if vdu.get("vdu-id-ref"):
 501                 vdu_delta["id"] = vdu["vdu-id-ref"]
 502             vdu_deltas.append(vdu_delta)
 503         if len(vdu_deltas) > 0:
 504             delta["vdu-delta"] = vdu_deltas
 505         scaling_aspect["aspect-delta-details"] = {"deltas": [delta]}
 506
 507         scaling_aspects.append(scaling_aspect)
 508
 509     if len(scaling_aspects) > 0:
 510         sol006_vnfd["df"][0]["scaling-aspect"] = scaling_aspects
 511
 512
 513 def _add_im_kdus_to_sol006_vnfd(im_vnfd, sol006_vnfd):
 514     if im_vnfd.get("kdu"):
 515         sol006_vnfd["kdu"] = im_vnfd["kdu"]
 516         if len(sol006_vnfd.get("df", ())) == 0:
 517             sol006_vnfd["df"] = [{"id": "default-df"}]
 518
 519
 520 def _add_im_k8s_clusters_to_sol006_vnfd(im_vnfd, sol006_vnfd):
 521     im_k8s_cluster = im_vnfd.get("k8s-cluster")
 522     if not im_k8s_cluster:
 523         return
 524
 525     sol006_k8s_cluster = {}
 526     if im_k8s_cluster.get("version"):
 527         sol006_k8s_cluster["version"] = im_k8s_cluster["version"]
 528     if im_k8s_cluster.get("cni"):
 529         sol006_k8s_cluster["cni"] = im_k8s_cluster["cni"]
 530
 531     nets = []
 532     k8s_cluster_ext_cpds = []
 533     for net in im_k8s_cluster.get("nets", ()):
 534         if net.get("external-connection-point-ref"):
 535             ext_cpd = {"id": "{}-ext".format(net["external-connection-point-ref"]), "k8s-cluster-net": net["id"]}
 536             k8s_cluster_ext_cpds.append(ext_cpd)
 537         nets.append({"id": net["id"]})
 538     if len(nets) > 0:
 539         sol006_k8s_cluster["nets"] = nets
 540
 541     sol006_vnfd["k8s-cluster"] = sol006_k8s_cluster
 542     if len(k8s_cluster_ext_cpds) > 0:
 543         if not sol006_vnfd.get("ext-cpd"):
 544             sol006_vnfd["ext-cpd"] = []
 545         sol006_vnfd["ext-cpd"].extend(k8s_cluster_ext_cpds)
 546
 547
 548 def _add_im_placement_groups_to_sol006_vnfd(im_vnfd, sol006_vnfd):
 549     if im_vnfd.get("placement-groups"):
 550         sol006_vnfd["placement-groups"] = im_vnfd["placement-groups"]
 551
 552
 553 # ******************** NSD translation private functions ********************
 554
 555 def _remove_im_nsd_envelope(im_nsd):
 556     # Data is wrapped as { nsd-catalog: { nsd: [ <data> ] } }
 557     return list(im_nsd.values())[0]["nsd"][0]
 558
 559
 560 def _add_im_nsd_basic_data_to_sol006_nsd(im_nsd, sol006_nsd):
 561     sol006_nsd["id"] = im_nsd["id"]
 562     if im_nsd.get("name"):
 563         sol006_nsd["name"] = im_nsd["name"]
 564     if im_nsd.get("description"):
 565         sol006_nsd["description"] = im_nsd["description"]
 566     if im_nsd.get("vendor"):
 567         sol006_nsd["designer"] = im_nsd["vendor"]
 568     if im_nsd.get("version"):
 569         sol006_nsd["version"] = im_nsd["version"]
 570
 571
 572 def _add_im_constituent_vnfds_to_sol006_nsd(im_nsd, sol006_nsd):
 573     vnfd_ids = set()
 574     for constituent_vnfd in im_nsd.get("constituent-vnfd", ()):
 575         if constituent_vnfd.get("vnfd-id-ref"):
 576             vnfd_ids.add(constituent_vnfd["vnfd-id-ref"])
 577
 578     if len(vnfd_ids) > 0:
 579         sol006_nsd["vnfd-id"] = list(vnfd_ids)
 580
 581
 582 def _add_im_vlds_to_sol006_nsd(im_nsd, sol006_nsd):
 583     vlds = im_nsd.get("vld", [])
 584     flattened_vlds = [{**vld, **cp_ref} for vld in vlds for cp_ref in vld.get("vnfd-connection-point-ref", ())]
 585     all_vlds_by_member_vnf_index = {}
 586     for vld in flattened_vlds:
 587         member_vnf_index = str(vld.get("member-vnf-index-ref", ""))
 588         if member_vnf_index in all_vlds_by_member_vnf_index:
 589             all_vlds_by_member_vnf_index[member_vnf_index].append(vld)
 590         else:
 591             all_vlds_by_member_vnf_index[member_vnf_index] = [vld]
 592
 593     df = {"id": "default-df", "vnf-profile": []}
 594
 595     for member_vnf_index in all_vlds_by_member_vnf_index:
 596         vnf_profile = {"id": member_vnf_index}
 597         vnf_profile["vnfd-id"] = all_vlds_by_member_vnf_index.get(member_vnf_index, [{}])[0].get("vnfd-id-ref")
 598         vnf_profile["virtual-link-connectivity"] = []
 599         for vld in all_vlds_by_member_vnf_index[member_vnf_index]:
 600             virtual_link_connectivity = {"virtual-link-profile-id": vld["id"]}
 601             virtual_link_connectivity["constituent-cpd-id"] = [{
 602                 "constituent-base-element-id": member_vnf_index,
 603                 "constituent-cpd-id": "{}-ext".format(vld.get("vnfd-connection-point-ref"))
 604             }]
 605             if vld.get("ip-address"):
 606                 virtual_link_connectivity["constituent-cpd-id"][0]["ip-address"] = vld["ip-address"]
 607             vnf_profile["virtual-link-connectivity"].append(virtual_link_connectivity)
 608
 609         vlcs_by_virtual_link_profile = {}
 610         for vlc in vnf_profile.get("virtual-link-connectivity"):
 611             vl_profile_id = vlc.get("virtual-link-profile-id")
 612             if vl_profile_id in vlcs_by_virtual_link_profile:
 613                 vlc_constituent_cpds = vlcs_by_virtual_link_profile[vl_profile_id].get("constituent-cpd-id")
 614                 vlc_constituent_cpds.extend(vlc.get("constituent-cpd-id"))
 615             else:
 616                 vlcs_by_virtual_link_profile[vl_profile_id] = vlc
 617
 618         vnf_profile["virtual-link-connectivity"] = list(vlcs_by_virtual_link_profile.values())
 619
 620         df["vnf-profile"].append(vnf_profile)
 621
 622     sol006_nsd["df"] = [df]
 623
 624     virtual_link_descs = []
 625     for vld in im_nsd.get("vld", ()):
 626         virtual_link_desc = {"id": vld["id"]}
 627         if vld.get("mgmt-network"):
 628             virtual_link_desc["mgmt-network"] = vld["mgmt-network"]
 629         if vld.get("vim-network-name"):
 630             virtual_link_desc["vim-network-name"] = vld["vim-network-name"]
 631         virtual_link_descs.append(virtual_link_desc)
 632
 633     if len(virtual_link_descs) > 0:
 634         sol006_nsd["virtual-link-desc"] = virtual_link_descs