NG-RO/osm_ng_ro/ns.py

   1 # -*- coding: utf-8 -*-
   2
   3 ##
   4 # Copyright 2020 Telefonica Investigacion y Desarrollo, S.A.U.
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #    http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  14 # implied.
  15 # See the License for the specific language governing permissions and
  16 # limitations under the License.
  17 ##
  18
  19 # import yaml
  20 import logging
  21 from typing import Any, Dict
  22 from traceback import format_exc as traceback_format_exc
  23 from osm_ng_ro.ns_thread import NsWorker, NsWorkerException, deep_get
  24 from osm_ng_ro.validation import validate_input, deploy_schema
  25 from osm_common import (
  26     dbmongo,
  27     dbmemory,
  28     fslocal,
  29     fsmongo,
  30     msglocal,
  31     msgkafka,
  32     version as common_version,
  33 )
  34 from osm_common.dbbase import DbException
  35 from osm_common.fsbase import FsException
  36 from osm_common.msgbase import MsgException
  37 from http import HTTPStatus
  38 from uuid import uuid4
  39 from threading import Lock
  40 from random import choice as random_choice
  41 from time import time
  42 from jinja2 import (
  43     Environment,
  44     TemplateError,
  45     TemplateNotFound,
  46     StrictUndefined,
  47     UndefinedError,
  48 )
  49 from cryptography.hazmat.primitives import serialization as crypto_serialization
  50 from cryptography.hazmat.primitives.asymmetric import rsa
  51 from cryptography.hazmat.backends import default_backend as crypto_default_backend
  52
  53 __author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
  54 min_common_version = "0.1.16"
  55
  56
  57 class NsException(Exception):
  58     def __init__(self, message, http_code=HTTPStatus.BAD_REQUEST):
  59         self.http_code = http_code
  60         super(Exception, self).__init__(message)
  61
  62
  63 def get_process_id():
  64     """
  65     Obtain a unique ID for this process. If running from inside docker, it will get docker ID. If not it
  66     will provide a random one
  67     :return: Obtained ID
  68     """
  69     # Try getting docker id. If fails, get pid
  70     try:
  71         with open("/proc/self/cgroup", "r") as f:
  72             text_id_ = f.readline()
  73             _, _, text_id = text_id_.rpartition("/")
  74             text_id = text_id.replace("\n", "")[:12]
  75
  76             if text_id:
  77                 return text_id
  78     except Exception:
  79         pass
  80
  81     # Return a random id
  82     return "".join(random_choice("0123456789abcdef") for _ in range(12))
  83
  84
  85 def versiontuple(v):
  86     """utility for compare dot separate versions. Fills with zeros to proper number comparison"""
  87     filled = []
  88
  89     for point in v.split("."):
  90         filled.append(point.zfill(8))
  91
  92     return tuple(filled)
  93
  94
  95 class Ns(object):
  96     def __init__(self):
  97         self.db = None
  98         self.fs = None
  99         self.msg = None
 100         self.config = None
 101         # self.operations = None
 102         self.logger = None
 103         # ^ Getting logger inside method self.start because parent logger (ro) is not available yet.
 104         # If done now it will not be linked to parent not getting its handler and level
 105         self.map_topic = {}
 106         self.write_lock = None
 107         self.vims_assigned = {}
 108         self.next_worker = 0
 109         self.plugins = {}
 110         self.workers = []
 111
 112     def init_db(self, target_version):
 113         pass
 114
 115     def start(self, config):
 116         """
 117         Connect to database, filesystem storage, and messaging
 118         :param config: two level dictionary with configuration. Top level should contain 'database', 'storage',
 119         :param config: Configuration of db, storage, etc
 120         :return: None
 121         """
 122         self.config = config
 123         self.config["process_id"] = get_process_id()  # used for HA identity
 124         self.logger = logging.getLogger("ro.ns")
 125
 126         # check right version of common
 127         if versiontuple(common_version) < versiontuple(min_common_version):
 128             raise NsException(
 129                 "Not compatible osm/common version '{}'. Needed '{}' or higher".format(
 130                     common_version, min_common_version
 131                 )
 132             )
 133
 134         try:
 135             if not self.db:
 136                 if config["database"]["driver"] == "mongo":
 137                     self.db = dbmongo.DbMongo()
 138                     self.db.db_connect(config["database"])
 139                 elif config["database"]["driver"] == "memory":
 140                     self.db = dbmemory.DbMemory()
 141                     self.db.db_connect(config["database"])
 142                 else:
 143                     raise NsException(
 144                         "Invalid configuration param '{}' at '[database]':'driver'".format(
 145                             config["database"]["driver"]
 146                         )
 147                     )
 148
 149             if not self.fs:
 150                 if config["storage"]["driver"] == "local":
 151                     self.fs = fslocal.FsLocal()
 152                     self.fs.fs_connect(config["storage"])
 153                 elif config["storage"]["driver"] == "mongo":
 154                     self.fs = fsmongo.FsMongo()
 155                     self.fs.fs_connect(config["storage"])
 156                 elif config["storage"]["driver"] is None:
 157                     pass
 158                 else:
 159                     raise NsException(
 160                         "Invalid configuration param '{}' at '[storage]':'driver'".format(
 161                             config["storage"]["driver"]
 162                         )
 163                     )
 164
 165             if not self.msg:
 166                 if config["message"]["driver"] == "local":
 167                     self.msg = msglocal.MsgLocal()
 168                     self.msg.connect(config["message"])
 169                 elif config["message"]["driver"] == "kafka":
 170                     self.msg = msgkafka.MsgKafka()
 171                     self.msg.connect(config["message"])
 172                 else:
 173                     raise NsException(
 174                         "Invalid configuration param '{}' at '[message]':'driver'".format(
 175                             config["message"]["driver"]
 176                         )
 177                     )
 178
 179             # TODO load workers to deal with exising database tasks
 180
 181             self.write_lock = Lock()
 182         except (DbException, FsException, MsgException) as e:
 183             raise NsException(str(e), http_code=e.http_code)
 184
 185     def get_assigned_vims(self):
 186         return list(self.vims_assigned.keys())
 187
 188     def stop(self):
 189         try:
 190             if self.db:
 191                 self.db.db_disconnect()
 192
 193             if self.fs:
 194                 self.fs.fs_disconnect()
 195
 196             if self.msg:
 197                 self.msg.disconnect()
 198
 199             self.write_lock = None
 200         except (DbException, FsException, MsgException) as e:
 201             raise NsException(str(e), http_code=e.http_code)
 202
 203         for worker in self.workers:
 204             worker.insert_task(("terminate",))
 205
 206     def _create_worker(self):
 207         """
 208         Look for a worker thread in idle status. If not found it creates one unless the number of threads reach the
 209         limit of 'server.ns_threads' configuration. If reached, it just assigns one existing thread
 210         return the index of the assigned worker thread. Worker threads are storead at self.workers
 211         """
 212         # Look for a thread in idle status
 213         worker_id = next(
 214             (
 215                 i
 216                 for i in range(len(self.workers))
 217                 if self.workers[i] and self.workers[i].idle
 218             ),
 219             None,
 220         )
 221
 222         if worker_id is not None:
 223             # unset idle status to avoid race conditions
 224             self.workers[worker_id].idle = False
 225         else:
 226             worker_id = len(self.workers)
 227
 228             if worker_id < self.config["global"]["server.ns_threads"]:
 229                 # create a new worker
 230                 self.workers.append(
 231                     NsWorker(worker_id, self.config, self.plugins, self.db)
 232                 )
 233                 self.workers[worker_id].start()
 234             else:
 235                 # reached maximum number of threads, assign VIM to an existing one
 236                 worker_id = self.next_worker
 237                 self.next_worker = (self.next_worker + 1) % self.config["global"][
 238                     "server.ns_threads"
 239                 ]
 240
 241         return worker_id
 242
 243     def assign_vim(self, target_id):
 244         with self.write_lock:
 245             return self._assign_vim(target_id)
 246
 247     def _assign_vim(self, target_id):
 248         if target_id not in self.vims_assigned:
 249             worker_id = self.vims_assigned[target_id] = self._create_worker()
 250             self.workers[worker_id].insert_task(("load_vim", target_id))
 251
 252     def reload_vim(self, target_id):
 253         # send reload_vim to the thread working with this VIM and inform all that a VIM has been changed,
 254         # this is because database VIM information is cached for threads working with SDN
 255         with self.write_lock:
 256             for worker in self.workers:
 257                 if worker and not worker.idle:
 258                     worker.insert_task(("reload_vim", target_id))
 259
 260     def unload_vim(self, target_id):
 261         with self.write_lock:
 262             return self._unload_vim(target_id)
 263
 264     def _unload_vim(self, target_id):
 265         if target_id in self.vims_assigned:
 266             worker_id = self.vims_assigned[target_id]
 267             self.workers[worker_id].insert_task(("unload_vim", target_id))
 268             del self.vims_assigned[target_id]
 269
 270     def check_vim(self, target_id):
 271         with self.write_lock:
 272             if target_id in self.vims_assigned:
 273                 worker_id = self.vims_assigned[target_id]
 274             else:
 275                 worker_id = self._create_worker()
 276
 277         worker = self.workers[worker_id]
 278         worker.insert_task(("check_vim", target_id))
 279
 280     def unload_unused_vims(self):
 281         with self.write_lock:
 282             vims_to_unload = []
 283
 284             for target_id in self.vims_assigned:
 285                 if not self.db.get_one(
 286                     "ro_tasks",
 287                     q_filter={
 288                         "target_id": target_id,
 289                         "tasks.status": ["SCHEDULED", "BUILD", "DONE", "FAILED"],
 290                     },
 291                     fail_on_empty=False,
 292                 ):
 293                     vims_to_unload.append(target_id)
 294
 295             for target_id in vims_to_unload:
 296                 self._unload_vim(target_id)
 297
 298     def _get_cloud_init(self, where):
 299         """
 300         Not used as cloud init content is provided in the http body. This method reads cloud init from a file
 301         :param where: can be 'vnfr_id:file:file_name' or 'vnfr_id:vdu:vdu_idex'
 302         :return:
 303         """
 304         vnfd_id, _, other = where.partition(":")
 305         _type, _, name = other.partition(":")
 306         vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
 307
 308         if _type == "file":
 309             base_folder = vnfd["_admin"]["storage"]
 310             cloud_init_file = "{}/{}/cloud_init/{}".format(
 311                 base_folder["folder"], base_folder["pkg-dir"], name
 312             )
 313
 314             if not self.fs:
 315                 raise NsException(
 316                     "Cannot read file '{}'. Filesystem not loaded, change configuration at storage.driver".format(
 317                         cloud_init_file
 318                     )
 319                 )
 320
 321             with self.fs.file_open(cloud_init_file, "r") as ci_file:
 322                 cloud_init_content = ci_file.read()
 323         elif _type == "vdu":
 324             cloud_init_content = vnfd["vdu"][int(name)]["cloud-init"]
 325         else:
 326             raise NsException("Mismatch descriptor for cloud init: {}".format(where))
 327
 328         return cloud_init_content
 329
 330     def _parse_jinja2(self, cloud_init_content, params, context):
 331         try:
 332             env = Environment(undefined=StrictUndefined)
 333             template = env.from_string(cloud_init_content)
 334
 335             return template.render(params or {})
 336         except UndefinedError as e:
 337             raise NsException(
 338                 "Variable '{}' defined at vnfd='{}' must be provided in the instantiation parameters"
 339                 "inside the 'additionalParamsForVnf' block".format(e, context)
 340             )
 341         except (TemplateError, TemplateNotFound) as e:
 342             raise NsException(
 343                 "Error parsing Jinja2 to cloud-init content at vnfd='{}': {}".format(
 344                     context, e
 345                 )
 346             )
 347
 348     def _create_db_ro_nsrs(self, nsr_id, now):
 349         try:
 350             key = rsa.generate_private_key(
 351                 backend=crypto_default_backend(), public_exponent=65537, key_size=2048
 352             )
 353             private_key = key.private_bytes(
 354                 crypto_serialization.Encoding.PEM,
 355                 crypto_serialization.PrivateFormat.PKCS8,
 356                 crypto_serialization.NoEncryption(),
 357             )
 358             public_key = key.public_key().public_bytes(
 359                 crypto_serialization.Encoding.OpenSSH,
 360                 crypto_serialization.PublicFormat.OpenSSH,
 361             )
 362             private_key = private_key.decode("utf8")
 363             # Change first line because Paramiko needs a explicit start with 'BEGIN RSA PRIVATE KEY'
 364             i = private_key.find("\n")
 365             private_key = "-----BEGIN RSA PRIVATE KEY-----" + private_key[i:]
 366             public_key = public_key.decode("utf8")
 367         except Exception as e:
 368             raise NsException("Cannot create ssh-keys: {}".format(e))
 369
 370         schema_version = "1.1"
 371         private_key_encrypted = self.db.encrypt(
 372             private_key, schema_version=schema_version, salt=nsr_id
 373         )
 374         db_content = {
 375             "_id": nsr_id,
 376             "_admin": {
 377                 "created": now,
 378                 "modified": now,
 379                 "schema_version": schema_version,
 380             },
 381             "public_key": public_key,
 382             "private_key": private_key_encrypted,
 383             "actions": [],
 384         }
 385         self.db.create("ro_nsrs", db_content)
 386
 387         return db_content
 388
 389     @staticmethod
 390     def _create_task(
 391         deployment_info: Dict[str, Any],
 392         target_id: str,
 393         item: str,
 394         action: str,
 395         target_record: str,
 396         target_record_id: str,
 397         extra_dict: Dict[str, Any] = None,
 398     ) -> Dict[str, Any]:
 399         """Function to create task dict from deployment information.
 400
 401         Args:
 402             deployment_info (Dict[str, Any]): [description]
 403             target_id (str): [description]
 404             item (str): [description]
 405             action (str): [description]
 406             target_record (str): [description]
 407             target_record_id (str): [description]
 408             extra_dict (Dict[str, Any], optional): [description]. Defaults to None.
 409
 410         Returns:
 411             Dict[str, Any]: [description]
 412         """
 413         task = {
 414             "target_id": target_id,  # it will be removed before pushing at database
 415             "action_id": deployment_info.get("action_id"),
 416             "nsr_id": deployment_info.get("nsr_id"),
 417             "task_id": f"{deployment_info.get('action_id')}:{deployment_info.get('task_index')}",
 418             "status": "SCHEDULED",
 419             "action": action,
 420             "item": item,
 421             "target_record": target_record,
 422             "target_record_id": target_record_id,
 423         }
 424
 425         if extra_dict:
 426             task.update(extra_dict)  # params, find_params, depends_on
 427
 428         deployment_info["task_index"] = deployment_info.get("task_index", 0) + 1
 429
 430         return task
 431
 432     @staticmethod
 433     def _create_ro_task(
 434         target_id: str,
 435         task: Dict[str, Any],
 436     ) -> Dict[str, Any]:
 437         """Function to create an RO task from task information.
 438
 439         Args:
 440             target_id (str): [description]
 441             task (Dict[str, Any]): [description]
 442
 443         Returns:
 444             Dict[str, Any]: [description]
 445         """
 446         now = time()
 447
 448         _id = task.get("task_id")
 449         db_ro_task = {
 450             "_id": _id,
 451             "locked_by": None,
 452             "locked_at": 0.0,
 453             "target_id": target_id,
 454             "vim_info": {
 455                 "created": False,
 456                 "created_items": None,
 457                 "vim_id": None,
 458                 "vim_name": None,
 459                 "vim_status": None,
 460                 "vim_details": None,
 461                 "refresh_at": None,
 462             },
 463             "modified_at": now,
 464             "created_at": now,
 465             "to_check_at": now,
 466             "tasks": [task],
 467         }
 468
 469         return db_ro_task
 470
 471     @staticmethod
 472     def _process_image_params(
 473         target_image: Dict[str, Any],
 474         vim_info: Dict[str, Any],
 475         target_record_id: str,
 476     ) -> Dict[str, Any]:
 477         """Function to process VDU image parameters.
 478
 479         Args:
 480             target_image (Dict[str, Any]): [description]
 481             vim_info (Dict[str, Any]): [description]
 482             target_record_id (str): [description]
 483
 484         Returns:
 485             Dict[str, Any]: [description]
 486         """
 487         find_params = {}
 488
 489         if target_image.get("image"):
 490             find_params["filter_dict"] = {"name": target_image.get("image")}
 491
 492         if target_image.get("vim_image_id"):
 493             find_params["filter_dict"] = {"id": target_image.get("vim_image_id")}
 494
 495         if target_image.get("image_checksum"):
 496             find_params["filter_dict"] = {
 497                 "checksum": target_image.get("image_checksum")
 498             }
 499
 500         return {"find_params": find_params}
 501
 502     def deploy(self, session, indata, version, nsr_id, *args, **kwargs):
 503         self.logger.debug("ns.deploy nsr_id={} indata={}".format(nsr_id, indata))
 504         validate_input(indata, deploy_schema)
 505         action_id = indata.get("action_id", str(uuid4()))
 506         task_index = 0
 507         # get current deployment
 508         db_nsr_update = {}  # update operation on nsrs
 509         db_vnfrs_update = {}
 510         db_vnfrs = {}  # vnf's info indexed by _id
 511         nb_ro_tasks = 0  # for logging
 512         vdu2cloud_init = indata.get("cloud_init_content") or {}
 513         step = ""
 514         logging_text = "Task deploy nsr_id={} action_id={} ".format(nsr_id, action_id)
 515         self.logger.debug(logging_text + "Enter")
 516
 517         try:
 518             step = "Getting ns and vnfr record from db"
 519             db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
 520             db_new_tasks = []
 521             tasks_by_target_record_id = {}
 522             # read from db: vnf's of this ns
 523             step = "Getting vnfrs from db"
 524             db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
 525
 526             if not db_vnfrs_list:
 527                 raise NsException("Cannot obtain associated VNF for ns")
 528
 529             for vnfr in db_vnfrs_list:
 530                 db_vnfrs[vnfr["_id"]] = vnfr
 531                 db_vnfrs_update[vnfr["_id"]] = {}
 532
 533             now = time()
 534             db_ro_nsr = self.db.get_one("ro_nsrs", {"_id": nsr_id}, fail_on_empty=False)
 535
 536             if not db_ro_nsr:
 537                 db_ro_nsr = self._create_db_ro_nsrs(nsr_id, now)
 538
 539             ro_nsr_public_key = db_ro_nsr["public_key"]
 540
 541             # check that action_id is not in the list of actions. Suffixed with :index
 542             if action_id in db_ro_nsr["actions"]:
 543                 index = 1
 544
 545                 while True:
 546                     new_action_id = "{}:{}".format(action_id, index)
 547
 548                     if new_action_id not in db_ro_nsr["actions"]:
 549                         action_id = new_action_id
 550                         self.logger.debug(
 551                             logging_text
 552                             + "Changing action_id in use to {}".format(action_id)
 553                         )
 554                         break
 555
 556                     index += 1
 557
 558             def _process_flavor_params(target_flavor, vim_info, target_record_id):
 559                 def _get_resource_allocation_params(quota_descriptor):
 560                     """
 561                     read the quota_descriptor from vnfd and fetch the resource allocation properties from the
 562                      descriptor object
 563                     :param quota_descriptor: cpu/mem/vif/disk-io quota descriptor
 564                     :return: quota params for limit, reserve, shares from the descriptor object
 565                     """
 566                     quota = {}
 567
 568                     if quota_descriptor.get("limit"):
 569                         quota["limit"] = int(quota_descriptor["limit"])
 570
 571                     if quota_descriptor.get("reserve"):
 572                         quota["reserve"] = int(quota_descriptor["reserve"])
 573
 574                     if quota_descriptor.get("shares"):
 575                         quota["shares"] = int(quota_descriptor["shares"])
 576
 577                     return quota
 578
 579                 flavor_data = {
 580                     "disk": int(target_flavor["storage-gb"]),
 581                     "ram": int(target_flavor["memory-mb"]),
 582                     "vcpus": int(target_flavor["vcpu-count"]),
 583                 }
 584                 numa = {}
 585                 extended = {}
 586
 587                 if target_flavor.get("guest-epa"):
 588                     extended = {}
 589                     epa_vcpu_set = False
 590
 591                     if target_flavor["guest-epa"].get("numa-node-policy"):
 592                         numa_node_policy = target_flavor["guest-epa"].get(
 593                             "numa-node-policy"
 594                         )
 595
 596                         if numa_node_policy.get("node"):
 597                             numa_node = numa_node_policy["node"][0]
 598
 599                             if numa_node.get("num-cores"):
 600                                 numa["cores"] = numa_node["num-cores"]
 601                                 epa_vcpu_set = True
 602
 603                             if numa_node.get("paired-threads"):
 604                                 if numa_node["paired-threads"].get(
 605                                     "num-paired-threads"
 606                                 ):
 607                                     numa["paired-threads"] = int(
 608                                         numa_node["paired-threads"][
 609                                             "num-paired-threads"
 610                                         ]
 611                                     )
 612                                     epa_vcpu_set = True
 613
 614                                 if len(
 615                                     numa_node["paired-threads"].get("paired-thread-ids")
 616                                 ):
 617                                     numa["paired-threads-id"] = []
 618
 619                                     for pair in numa_node["paired-threads"][
 620                                         "paired-thread-ids"
 621                                     ]:
 622                                         numa["paired-threads-id"].append(
 623                                             (
 624                                                 str(pair["thread-a"]),
 625                                                 str(pair["thread-b"]),
 626                                             )
 627                                         )
 628
 629                             if numa_node.get("num-threads"):
 630                                 numa["threads"] = int(numa_node["num-threads"])
 631                                 epa_vcpu_set = True
 632
 633                             if numa_node.get("memory-mb"):
 634                                 numa["memory"] = max(
 635                                     int(numa_node["memory-mb"] / 1024), 1
 636                                 )
 637
 638                     if target_flavor["guest-epa"].get("mempage-size"):
 639                         extended["mempage-size"] = target_flavor["guest-epa"].get(
 640                             "mempage-size"
 641                         )
 642
 643                     if (
 644                         target_flavor["guest-epa"].get("cpu-pinning-policy")
 645                         and not epa_vcpu_set
 646                     ):
 647                         if (
 648                             target_flavor["guest-epa"]["cpu-pinning-policy"]
 649                             == "DEDICATED"
 650                         ):
 651                             if (
 652                                 target_flavor["guest-epa"].get(
 653                                     "cpu-thread-pinning-policy"
 654                                 )
 655                                 and target_flavor["guest-epa"][
 656                                     "cpu-thread-pinning-policy"
 657                                 ]
 658                                 != "PREFER"
 659                             ):
 660                                 numa["cores"] = max(flavor_data["vcpus"], 1)
 661                             else:
 662                                 numa["threads"] = max(flavor_data["vcpus"], 1)
 663
 664                             epa_vcpu_set = True
 665
 666                     if target_flavor["guest-epa"].get("cpu-quota") and not epa_vcpu_set:
 667                         cpuquota = _get_resource_allocation_params(
 668                             target_flavor["guest-epa"].get("cpu-quota")
 669                         )
 670
 671                         if cpuquota:
 672                             extended["cpu-quota"] = cpuquota
 673
 674                     if target_flavor["guest-epa"].get("mem-quota"):
 675                         vduquota = _get_resource_allocation_params(
 676                             target_flavor["guest-epa"].get("mem-quota")
 677                         )
 678
 679                         if vduquota:
 680                             extended["mem-quota"] = vduquota
 681
 682                     if target_flavor["guest-epa"].get("disk-io-quota"):
 683                         diskioquota = _get_resource_allocation_params(
 684                             target_flavor["guest-epa"].get("disk-io-quota")
 685                         )
 686
 687                         if diskioquota:
 688                             extended["disk-io-quota"] = diskioquota
 689
 690                     if target_flavor["guest-epa"].get("vif-quota"):
 691                         vifquota = _get_resource_allocation_params(
 692                             target_flavor["guest-epa"].get("vif-quota")
 693                         )
 694
 695                         if vifquota:
 696                             extended["vif-quota"] = vifquota
 697
 698                 if numa:
 699                     extended["numas"] = [numa]
 700
 701                 if extended:
 702                     flavor_data["extended"] = extended
 703
 704                 extra_dict = {"find_params": {"flavor_data": flavor_data}}
 705                 flavor_data_name = flavor_data.copy()
 706                 flavor_data_name["name"] = target_flavor["name"]
 707                 extra_dict["params"] = {"flavor_data": flavor_data_name}
 708
 709                 return extra_dict
 710
 711             def _ip_profile_2_ro(ip_profile):
 712                 if not ip_profile:
 713                     return None
 714
 715                 ro_ip_profile = {
 716                     "ip_version": "IPv4"
 717                     if "v4" in ip_profile.get("ip-version", "ipv4")
 718                     else "IPv6",
 719                     "subnet_address": ip_profile.get("subnet-address"),
 720                     "gateway_address": ip_profile.get("gateway-address"),
 721                     "dhcp_enabled": ip_profile.get("dhcp-params", {}).get(
 722                         "enabled", False
 723                     ),
 724                     "dhcp_start_address": ip_profile.get("dhcp-params", {}).get(
 725                         "start-address", None
 726                     ),
 727                     "dhcp_count": ip_profile.get("dhcp-params", {}).get("count", None),
 728                 }
 729
 730                 if ip_profile.get("dns-server"):
 731                     ro_ip_profile["dns_address"] = ";".join(
 732                         [v["address"] for v in ip_profile["dns-server"]]
 733                     )
 734
 735                 if ip_profile.get("security-group"):
 736                     ro_ip_profile["security_group"] = ip_profile["security-group"]
 737
 738                 return ro_ip_profile
 739
 740             def _process_net_params(target_vld, vim_info, target_record_id):
 741                 nonlocal indata
 742                 extra_dict = {}
 743
 744                 if vim_info.get("sdn"):
 745                     # vnf_preffix = "vnfrs:{}".format(vnfr_id)
 746                     # ns_preffix = "nsrs:{}".format(nsr_id)
 747                     # remove the ending ".sdn
 748                     vld_target_record_id, _, _ = target_record_id.rpartition(".")
 749                     extra_dict["params"] = {
 750                         k: vim_info[k]
 751                         for k in ("sdn-ports", "target_vim", "vlds", "type")
 752                         if vim_info.get(k)
 753                     }
 754
 755                     # TODO needed to add target_id in the dependency.
 756                     if vim_info.get("target_vim"):
 757                         extra_dict["depends_on"] = [
 758                             vim_info.get("target_vim") + " " + vld_target_record_id
 759                         ]
 760
 761                     return extra_dict
 762
 763                 if vim_info.get("vim_network_name"):
 764                     extra_dict["find_params"] = {
 765                         "filter_dict": {"name": vim_info.get("vim_network_name")}
 766                     }
 767                 elif vim_info.get("vim_network_id"):
 768                     extra_dict["find_params"] = {
 769                         "filter_dict": {"id": vim_info.get("vim_network_id")}
 770                     }
 771                 elif target_vld.get("mgmt-network"):
 772                     extra_dict["find_params"] = {"mgmt": True, "name": target_vld["id"]}
 773                 else:
 774                     # create
 775                     extra_dict["params"] = {
 776                         "net_name": "{}-{}".format(
 777                             indata["name"][:16],
 778                             target_vld.get("name", target_vld["id"])[:16],
 779                         ),
 780                         "ip_profile": _ip_profile_2_ro(vim_info.get("ip_profile")),
 781                         "provider_network_profile": vim_info.get("provider_network"),
 782                     }
 783
 784                     if not target_vld.get("underlay"):
 785                         extra_dict["params"]["net_type"] = "bridge"
 786                     else:
 787                         extra_dict["params"]["net_type"] = (
 788                             "ptp" if target_vld.get("type") == "ELINE" else "data"
 789                         )
 790
 791                 return extra_dict
 792
 793             def _process_vdu_params(target_vdu, vim_info, target_record_id):
 794                 nonlocal vnfr_id
 795                 nonlocal nsr_id
 796                 nonlocal indata
 797                 nonlocal vnfr
 798                 nonlocal vdu2cloud_init
 799                 nonlocal tasks_by_target_record_id
 800
 801                 vnf_preffix = "vnfrs:{}".format(vnfr_id)
 802                 ns_preffix = "nsrs:{}".format(nsr_id)
 803                 image_text = ns_preffix + ":image." + target_vdu["ns-image-id"]
 804                 flavor_text = ns_preffix + ":flavor." + target_vdu["ns-flavor-id"]
 805                 extra_dict = {"depends_on": [image_text, flavor_text]}
 806                 net_list = []
 807
 808                 for iface_index, interface in enumerate(target_vdu["interfaces"]):
 809                     if interface.get("ns-vld-id"):
 810                         net_text = ns_preffix + ":vld." + interface["ns-vld-id"]
 811                     elif interface.get("vnf-vld-id"):
 812                         net_text = vnf_preffix + ":vld." + interface["vnf-vld-id"]
 813                     else:
 814                         self.logger.error(
 815                             "Interface {} from vdu {} not connected to any vld".format(
 816                                 iface_index, target_vdu["vdu-name"]
 817                             )
 818                         )
 819
 820                         continue  # interface not connected to any vld
 821
 822                     extra_dict["depends_on"].append(net_text)
 823
 824                     if "port-security-enabled" in interface:
 825                         interface["port_security"] = interface.pop(
 826                             "port-security-enabled"
 827                         )
 828
 829                     if "port-security-disable-strategy" in interface:
 830                         interface["port_security_disable_strategy"] = interface.pop(
 831                             "port-security-disable-strategy"
 832                         )
 833
 834                     net_item = {
 835                         x: v
 836                         for x, v in interface.items()
 837                         if x
 838                         in (
 839                             "name",
 840                             "vpci",
 841                             "port_security",
 842                             "port_security_disable_strategy",
 843                             "floating_ip",
 844                         )
 845                     }
 846                     net_item["net_id"] = "TASK-" + net_text
 847                     net_item["type"] = "virtual"
 848
 849                     # TODO mac_address: used for  SR-IOV ifaces #TODO for other types
 850                     # TODO floating_ip: True/False (or it can be None)
 851                     if interface.get("type") in ("SR-IOV", "PCI-PASSTHROUGH"):
 852                         # mark the net create task as type data
 853                         if deep_get(
 854                             tasks_by_target_record_id, net_text, "params", "net_type"
 855                         ):
 856                             tasks_by_target_record_id[net_text]["params"][
 857                                 "net_type"
 858                             ] = "data"
 859
 860                         net_item["use"] = "data"
 861                         net_item["model"] = interface["type"]
 862                         net_item["type"] = interface["type"]
 863                     elif (
 864                         interface.get("type") == "OM-MGMT"
 865                         or interface.get("mgmt-interface")
 866                         or interface.get("mgmt-vnf")
 867                     ):
 868                         net_item["use"] = "mgmt"
 869                     else:
 870                         # if interface.get("type") in ("VIRTIO", "E1000", "PARAVIRT"):
 871                         net_item["use"] = "bridge"
 872                         net_item["model"] = interface.get("type")
 873
 874                     if interface.get("ip-address"):
 875                         net_item["ip_address"] = interface["ip-address"]
 876
 877                     if interface.get("mac-address"):
 878                         net_item["mac_address"] = interface["mac-address"]
 879
 880                     net_list.append(net_item)
 881
 882                     if interface.get("mgmt-vnf"):
 883                         extra_dict["mgmt_vnf_interface"] = iface_index
 884                     elif interface.get("mgmt-interface"):
 885                         extra_dict["mgmt_vdu_interface"] = iface_index
 886
 887                 # cloud config
 888                 cloud_config = {}
 889
 890                 if target_vdu.get("cloud-init"):
 891                     if target_vdu["cloud-init"] not in vdu2cloud_init:
 892                         vdu2cloud_init[target_vdu["cloud-init"]] = self._get_cloud_init(
 893                             target_vdu["cloud-init"]
 894                         )
 895
 896                     cloud_content_ = vdu2cloud_init[target_vdu["cloud-init"]]
 897                     cloud_config["user-data"] = self._parse_jinja2(
 898                         cloud_content_,
 899                         target_vdu.get("additionalParams"),
 900                         target_vdu["cloud-init"],
 901                     )
 902
 903                 if target_vdu.get("boot-data-drive"):
 904                     cloud_config["boot-data-drive"] = target_vdu.get("boot-data-drive")
 905
 906                 ssh_keys = []
 907
 908                 if target_vdu.get("ssh-keys"):
 909                     ssh_keys += target_vdu.get("ssh-keys")
 910
 911                 if target_vdu.get("ssh-access-required"):
 912                     ssh_keys.append(ro_nsr_public_key)
 913
 914                 if ssh_keys:
 915                     cloud_config["key-pairs"] = ssh_keys
 916
 917                 disk_list = None
 918                 if target_vdu.get("virtual-storages"):
 919                     disk_list = [
 920                         {"size": disk["size-of-storage"]}
 921                         for disk in target_vdu["virtual-storages"]
 922                         if disk.get("type-of-storage")
 923                         == "persistent-storage:persistent-storage"
 924                     ]
 925
 926                 extra_dict["params"] = {
 927                     "name": "{}-{}-{}-{}".format(
 928                         indata["name"][:16],
 929                         vnfr["member-vnf-index-ref"][:16],
 930                         target_vdu["vdu-name"][:32],
 931                         target_vdu.get("count-index") or 0,
 932                     ),
 933                     "description": target_vdu["vdu-name"],
 934                     "start": True,
 935                     "image_id": "TASK-" + image_text,
 936                     "flavor_id": "TASK-" + flavor_text,
 937                     "net_list": net_list,
 938                     "cloud_config": cloud_config or None,
 939                     "disk_list": disk_list,
 940                     "availability_zone_index": None,  # TODO
 941                     "availability_zone_list": None,  # TODO
 942                 }
 943
 944                 return extra_dict
 945
 946             def _process_items(
 947                 target_list,
 948                 existing_list,
 949                 db_record,
 950                 db_update,
 951                 db_path,
 952                 item,
 953                 process_params,
 954             ):
 955                 nonlocal db_new_tasks
 956                 nonlocal tasks_by_target_record_id
 957                 nonlocal action_id
 958                 nonlocal nsr_id
 959                 nonlocal task_index
 960
 961                 # ensure all the target_list elements has an "id". If not assign the index as id
 962                 for target_index, tl in enumerate(target_list):
 963                     if tl and not tl.get("id"):
 964                         tl["id"] = str(target_index)
 965
 966                 # step 1 items (networks,vdus,...) to be deleted/updated
 967                 for item_index, existing_item in enumerate(existing_list):
 968                     target_item = next(
 969                         (t for t in target_list if t["id"] == existing_item["id"]), None
 970                     )
 971
 972                     for target_vim, existing_viminfo in existing_item.get(
 973                         "vim_info", {}
 974                     ).items():
 975                         if existing_viminfo is None:
 976                             continue
 977
 978                         if target_item:
 979                             target_viminfo = target_item.get("vim_info", {}).get(
 980                                 target_vim
 981                             )
 982                         else:
 983                             target_viminfo = None
 984
 985                         if target_viminfo is None:
 986                             # must be deleted
 987                             self._assign_vim(target_vim)
 988                             target_record_id = "{}.{}".format(
 989                                 db_record, existing_item["id"]
 990                             )
 991                             item_ = item
 992
 993                             if target_vim.startswith("sdn"):
 994                                 # item must be sdn-net instead of net if target_vim is a sdn
 995                                 item_ = "sdn_net"
 996                                 target_record_id += ".sdn"
 997
 998                             deployment_info = {
 999                                 "action_id": action_id,
1000                                 "nsr_id": nsr_id,
1001                                 "task_index": task_index,
1002                             }
1003
1004                             task = Ns._create_task(
1005                                 deployment_info=deployment_info,
1006                                 target_id=target_vim,
1007                                 item=item_,
1008                                 action="DELETE",
1009                                 target_record=f"{db_record}.{item_index}.vim_info.{target_vim}",
1010                                 target_record_id=target_record_id,
1011                             )
1012
1013                             task_index = deployment_info.get("task_index")
1014
1015                             tasks_by_target_record_id[target_record_id] = task
1016                             db_new_tasks.append(task)
1017                             # TODO delete
1018                     # TODO check one by one the vims to be created/deleted
1019
1020                 # step 2 items (networks,vdus,...) to be created
1021                 for target_item in target_list:
1022                     item_index = -1
1023
1024                     for item_index, existing_item in enumerate(existing_list):
1025                         if existing_item["id"] == target_item["id"]:
1026                             break
1027                     else:
1028                         item_index += 1
1029                         db_update[db_path + ".{}".format(item_index)] = target_item
1030                         existing_list.append(target_item)
1031                         existing_item = None
1032
1033                     for target_vim, target_viminfo in target_item.get(
1034                         "vim_info", {}
1035                     ).items():
1036                         existing_viminfo = None
1037
1038                         if existing_item:
1039                             existing_viminfo = existing_item.get("vim_info", {}).get(
1040                                 target_vim
1041                             )
1042
1043                         # TODO check if different. Delete and create???
1044                         # TODO delete if not exist
1045                         if existing_viminfo is not None:
1046                             continue
1047
1048                         target_record_id = "{}.{}".format(db_record, target_item["id"])
1049                         item_ = item
1050
1051                         if target_vim.startswith("sdn"):
1052                             # item must be sdn-net instead of net if target_vim is a sdn
1053                             item_ = "sdn_net"
1054                             target_record_id += ".sdn"
1055
1056                         extra_dict = process_params(
1057                             target_item, target_viminfo, target_record_id
1058                         )
1059                         self._assign_vim(target_vim)
1060
1061                         deployment_info = {
1062                             "action_id": action_id,
1063                             "nsr_id": nsr_id,
1064                             "task_index": task_index,
1065                         }
1066
1067                         task = Ns._create_task(
1068                             deployment_info=deployment_info,
1069                             target_id=target_vim,
1070                             item=item_,
1071                             action="CREATE",
1072                             target_record=f"{db_record}.{item_index}.vim_info.{target_vim}",
1073                             target_record_id=target_record_id,
1074                             extra_dict=extra_dict,
1075                         )
1076
1077                         task_index = deployment_info.get("task_index")
1078
1079                         tasks_by_target_record_id[target_record_id] = task
1080                         db_new_tasks.append(task)
1081
1082                         if target_item.get("common_id"):
1083                             task["common_id"] = target_item["common_id"]
1084
1085                         db_update[db_path + ".{}".format(item_index)] = target_item
1086
1087             def _process_action(indata):
1088                 nonlocal db_new_tasks
1089                 nonlocal action_id
1090                 nonlocal nsr_id
1091                 nonlocal task_index
1092                 nonlocal db_vnfrs
1093                 nonlocal db_ro_nsr
1094
1095                 if indata["action"]["action"] == "inject_ssh_key":
1096                     key = indata["action"].get("key")
1097                     user = indata["action"].get("user")
1098                     password = indata["action"].get("password")
1099
1100                     for vnf in indata.get("vnf", ()):
1101                         if vnf["_id"] not in db_vnfrs:
1102                             raise NsException("Invalid vnf={}".format(vnf["_id"]))
1103
1104                         db_vnfr = db_vnfrs[vnf["_id"]]
1105
1106                         for target_vdu in vnf.get("vdur", ()):
1107                             vdu_index, vdur = next(
1108                                 (
1109                                     i_v
1110                                     for i_v in enumerate(db_vnfr["vdur"])
1111                                     if i_v[1]["id"] == target_vdu["id"]
1112                                 ),
1113                                 (None, None),
1114                             )
1115
1116                             if not vdur:
1117                                 raise NsException(
1118                                     "Invalid vdu vnf={}.{}".format(
1119                                         vnf["_id"], target_vdu["id"]
1120                                     )
1121                                 )
1122
1123                             target_vim, vim_info = next(
1124                                 k_v for k_v in vdur["vim_info"].items()
1125                             )
1126                             self._assign_vim(target_vim)
1127                             target_record = "vnfrs:{}:vdur.{}.ssh_keys".format(
1128                                 vnf["_id"], vdu_index
1129                             )
1130                             extra_dict = {
1131                                 "depends_on": [
1132                                     "vnfrs:{}:vdur.{}".format(vnf["_id"], vdur["id"])
1133                                 ],
1134                                 "params": {
1135                                     "ip_address": vdur.get("ip-address"),
1136                                     "user": user,
1137                                     "key": key,
1138                                     "password": password,
1139                                     "private_key": db_ro_nsr["private_key"],
1140                                     "salt": db_ro_nsr["_id"],
1141                                     "schema_version": db_ro_nsr["_admin"][
1142                                         "schema_version"
1143                                     ],
1144                                 },
1145                             }
1146
1147                             deployment_info = {
1148                                 "action_id": action_id,
1149                                 "nsr_id": nsr_id,
1150                                 "task_index": task_index,
1151                             }
1152
1153                             task = Ns._create_task(
1154                                 deployment_info=deployment_info,
1155                                 target_id=target_vim,
1156                                 item="vdu",
1157                                 action="EXEC",
1158                                 target_record=target_record,
1159                                 target_record_id=None,
1160                                 extra_dict=extra_dict,
1161                             )
1162
1163                             task_index = deployment_info.get("task_index")
1164
1165                             db_new_tasks.append(task)
1166
1167             with self.write_lock:
1168                 if indata.get("action"):
1169                     _process_action(indata)
1170                 else:
1171                     # compute network differences
1172                     # NS.vld
1173                     step = "process NS VLDs"
1174                     _process_items(
1175                         target_list=indata["ns"]["vld"] or [],
1176                         existing_list=db_nsr.get("vld") or [],
1177                         db_record="nsrs:{}:vld".format(nsr_id),
1178                         db_update=db_nsr_update,
1179                         db_path="vld",
1180                         item="net",
1181                         process_params=_process_net_params,
1182                     )
1183
1184                     step = "process NS images"
1185                     _process_items(
1186                         target_list=indata.get("image") or [],
1187                         existing_list=db_nsr.get("image") or [],
1188                         db_record="nsrs:{}:image".format(nsr_id),
1189                         db_update=db_nsr_update,
1190                         db_path="image",
1191                         item="image",
1192                         process_params=Ns._process_image_params,
1193                     )
1194
1195                     step = "process NS flavors"
1196                     _process_items(
1197                         target_list=indata.get("flavor") or [],
1198                         existing_list=db_nsr.get("flavor") or [],
1199                         db_record="nsrs:{}:flavor".format(nsr_id),
1200                         db_update=db_nsr_update,
1201                         db_path="flavor",
1202                         item="flavor",
1203                         process_params=_process_flavor_params,
1204                     )
1205
1206                     # VNF.vld
1207                     for vnfr_id, vnfr in db_vnfrs.items():
1208                         # vnfr_id need to be set as global variable for among others nested method _process_vdu_params
1209                         step = "process VNF={} VLDs".format(vnfr_id)
1210                         target_vnf = next(
1211                             (
1212                                 vnf
1213                                 for vnf in indata.get("vnf", ())
1214                                 if vnf["_id"] == vnfr_id
1215                             ),
1216                             None,
1217                         )
1218                         target_list = target_vnf.get("vld") if target_vnf else None
1219                         _process_items(
1220                             target_list=target_list or [],
1221                             existing_list=vnfr.get("vld") or [],
1222                             db_record="vnfrs:{}:vld".format(vnfr_id),
1223                             db_update=db_vnfrs_update[vnfr["_id"]],
1224                             db_path="vld",
1225                             item="net",
1226                             process_params=_process_net_params,
1227                         )
1228
1229                         target_list = target_vnf.get("vdur") if target_vnf else None
1230                         step = "process VNF={} VDUs".format(vnfr_id)
1231                         _process_items(
1232                             target_list=target_list or [],
1233                             existing_list=vnfr.get("vdur") or [],
1234                             db_record="vnfrs:{}:vdur".format(vnfr_id),
1235                             db_update=db_vnfrs_update[vnfr["_id"]],
1236                             db_path="vdur",
1237                             item="vdu",
1238                             process_params=_process_vdu_params,
1239                         )
1240
1241                 for db_task in db_new_tasks:
1242                     step = "Updating database, Appending tasks to ro_tasks"
1243                     target_id = db_task.pop("target_id")
1244                     common_id = db_task.get("common_id")
1245
1246                     if common_id:
1247                         if self.db.set_one(
1248                             "ro_tasks",
1249                             q_filter={
1250                                 "target_id": target_id,
1251                                 "tasks.common_id": common_id,
1252                             },
1253                             update_dict={"to_check_at": now, "modified_at": now},
1254                             push={"tasks": db_task},
1255                             fail_on_empty=False,
1256                         ):
1257                             continue
1258
1259                     if not self.db.set_one(
1260                         "ro_tasks",
1261                         q_filter={
1262                             "target_id": target_id,
1263                             "tasks.target_record": db_task["target_record"],
1264                         },
1265                         update_dict={"to_check_at": now, "modified_at": now},
1266                         push={"tasks": db_task},
1267                         fail_on_empty=False,
1268                     ):
1269                         # Create a ro_task
1270                         step = "Updating database, Creating ro_tasks"
1271                         db_ro_task = Ns._create_ro_task(target_id, db_task)
1272                         nb_ro_tasks += 1
1273                         self.db.create("ro_tasks", db_ro_task)
1274
1275                 step = "Updating database, nsrs"
1276                 if db_nsr_update:
1277                     self.db.set_one("nsrs", {"_id": nsr_id}, db_nsr_update)
1278
1279                 for vnfr_id, db_vnfr_update in db_vnfrs_update.items():
1280                     if db_vnfr_update:
1281                         step = "Updating database, vnfrs={}".format(vnfr_id)
1282                         self.db.set_one("vnfrs", {"_id": vnfr_id}, db_vnfr_update)
1283
1284             self.logger.debug(
1285                 logging_text
1286                 + "Exit. Created {} ro_tasks; {} tasks".format(
1287                     nb_ro_tasks, len(db_new_tasks)
1288                 )
1289             )
1290
1291             return (
1292                 {"status": "ok", "nsr_id": nsr_id, "action_id": action_id},
1293                 action_id,
1294                 True,
1295             )
1296         except Exception as e:
1297             if isinstance(e, (DbException, NsException)):
1298                 self.logger.error(
1299                     logging_text + "Exit Exception while '{}': {}".format(step, e)
1300                 )
1301             else:
1302                 e = traceback_format_exc()
1303                 self.logger.critical(
1304                     logging_text + "Exit Exception while '{}': {}".format(step, e),
1305                     exc_info=True,
1306                 )
1307
1308             raise NsException(e)
1309
1310     def delete(self, session, indata, version, nsr_id, *args, **kwargs):
1311         self.logger.debug("ns.delete version={} nsr_id={}".format(version, nsr_id))
1312         # self.db.del_list({"_id": ro_task["_id"], "tasks.nsr_id.ne": nsr_id})
1313
1314         with self.write_lock:
1315             try:
1316                 NsWorker.delete_db_tasks(self.db, nsr_id, None)
1317             except NsWorkerException as e:
1318                 raise NsException(e)
1319
1320         return None, None, True
1321
1322     def status(self, session, indata, version, nsr_id, action_id, *args, **kwargs):
1323         # self.logger.debug("ns.status version={} nsr_id={}, action_id={} indata={}"
1324         #                   .format(version, nsr_id, action_id, indata))
1325         task_list = []
1326         done = 0
1327         total = 0
1328         ro_tasks = self.db.get_list("ro_tasks", {"tasks.action_id": action_id})
1329         global_status = "DONE"
1330         details = []
1331
1332         for ro_task in ro_tasks:
1333             for task in ro_task["tasks"]:
1334                 if task and task["action_id"] == action_id:
1335                     task_list.append(task)
1336                     total += 1
1337
1338                     if task["status"] == "FAILED":
1339                         global_status = "FAILED"
1340                         error_text = "Error at {} {}: {}".format(
1341                             task["action"].lower(),
1342                             task["item"],
1343                             ro_task["vim_info"].get("vim_details") or "unknown",
1344                         )
1345                         details.append(error_text)
1346                     elif task["status"] in ("SCHEDULED", "BUILD"):
1347                         if global_status != "FAILED":
1348                             global_status = "BUILD"
1349                     else:
1350                         done += 1
1351
1352         return_data = {
1353             "status": global_status,
1354             "details": ". ".join(details)
1355             if details
1356             else "progress {}/{}".format(done, total),
1357             "nsr_id": nsr_id,
1358             "action_id": action_id,
1359             "tasks": task_list,
1360         }
1361
1362         return return_data, None, True
1363
1364     def cancel(self, session, indata, version, nsr_id, action_id, *args, **kwargs):
1365         print(
1366             "ns.cancel session={} indata={} version={} nsr_id={}, action_id={}".format(
1367                 session, indata, version, nsr_id, action_id
1368             )
1369         )
1370
1371         return None, None, True
1372
1373     def get_deploy(self, session, indata, version, nsr_id, action_id, *args, **kwargs):
1374         nsrs = self.db.get_list("nsrs", {})
1375         return_data = []
1376
1377         for ns in nsrs:
1378             return_data.append({"_id": ns["_id"], "name": ns["name"]})
1379
1380         return return_data, None, True
1381
1382     def get_actions(self, session, indata, version, nsr_id, action_id, *args, **kwargs):
1383         ro_tasks = self.db.get_list("ro_tasks", {"tasks.nsr_id": nsr_id})
1384         return_data = []
1385
1386         for ro_task in ro_tasks:
1387             for task in ro_task["tasks"]:
1388                 if task["action_id"] not in return_data:
1389                     return_data.append(task["action_id"])
1390
1391         return return_data, None, True