Fix bug 1798 - adding swap disks
[osm/RO.git] / 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 nonlocal indata
580
581 flavor_data = {
582 "disk": int(target_flavor["storage-gb"]),
583 "ram": int(target_flavor["memory-mb"]),
584 "vcpus": int(target_flavor["vcpu-count"]),
585 }
586 numa = {}
587 extended = {}
588
589 target_vdur = None
590 for vnf in indata.get("vnf", []):
591 for vdur in vnf.get("vdur", []):
592 if vdur.get("ns-flavor-id") == target_flavor["id"]:
593 target_vdur = vdur
594
595 for storage in target_vdur.get("virtual-storages", []):
596 if (
597 storage.get("type-of-storage")
598 == "etsi-nfv-descriptors:ephemeral-storage"
599 ):
600 flavor_data["ephemeral"] = int(
601 storage.get("size-of-storage", 0)
602 )
603 elif (
604 storage.get("type-of-storage")
605 == "etsi-nfv-descriptors:swap-storage"
606 ):
607 flavor_data["swap"] = int(storage.get("size-of-storage", 0))
608
609 if target_flavor.get("guest-epa"):
610 extended = {}
611 epa_vcpu_set = False
612
613 if target_flavor["guest-epa"].get("numa-node-policy"):
614 numa_node_policy = target_flavor["guest-epa"].get(
615 "numa-node-policy"
616 )
617
618 if numa_node_policy.get("node"):
619 numa_node = numa_node_policy["node"][0]
620
621 if numa_node.get("num-cores"):
622 numa["cores"] = numa_node["num-cores"]
623 epa_vcpu_set = True
624
625 if numa_node.get("paired-threads"):
626 if numa_node["paired-threads"].get(
627 "num-paired-threads"
628 ):
629 numa["paired-threads"] = int(
630 numa_node["paired-threads"][
631 "num-paired-threads"
632 ]
633 )
634 epa_vcpu_set = True
635
636 if len(
637 numa_node["paired-threads"].get("paired-thread-ids")
638 ):
639 numa["paired-threads-id"] = []
640
641 for pair in numa_node["paired-threads"][
642 "paired-thread-ids"
643 ]:
644 numa["paired-threads-id"].append(
645 (
646 str(pair["thread-a"]),
647 str(pair["thread-b"]),
648 )
649 )
650
651 if numa_node.get("num-threads"):
652 numa["threads"] = int(numa_node["num-threads"])
653 epa_vcpu_set = True
654
655 if numa_node.get("memory-mb"):
656 numa["memory"] = max(
657 int(numa_node["memory-mb"] / 1024), 1
658 )
659
660 if target_flavor["guest-epa"].get("mempage-size"):
661 extended["mempage-size"] = target_flavor["guest-epa"].get(
662 "mempage-size"
663 )
664
665 if (
666 target_flavor["guest-epa"].get("cpu-pinning-policy")
667 and not epa_vcpu_set
668 ):
669 if (
670 target_flavor["guest-epa"]["cpu-pinning-policy"]
671 == "DEDICATED"
672 ):
673 if (
674 target_flavor["guest-epa"].get(
675 "cpu-thread-pinning-policy"
676 )
677 and target_flavor["guest-epa"][
678 "cpu-thread-pinning-policy"
679 ]
680 != "PREFER"
681 ):
682 numa["cores"] = max(flavor_data["vcpus"], 1)
683 else:
684 numa["threads"] = max(flavor_data["vcpus"], 1)
685
686 epa_vcpu_set = True
687
688 if target_flavor["guest-epa"].get("cpu-quota") and not epa_vcpu_set:
689 cpuquota = _get_resource_allocation_params(
690 target_flavor["guest-epa"].get("cpu-quota")
691 )
692
693 if cpuquota:
694 extended["cpu-quota"] = cpuquota
695
696 if target_flavor["guest-epa"].get("mem-quota"):
697 vduquota = _get_resource_allocation_params(
698 target_flavor["guest-epa"].get("mem-quota")
699 )
700
701 if vduquota:
702 extended["mem-quota"] = vduquota
703
704 if target_flavor["guest-epa"].get("disk-io-quota"):
705 diskioquota = _get_resource_allocation_params(
706 target_flavor["guest-epa"].get("disk-io-quota")
707 )
708
709 if diskioquota:
710 extended["disk-io-quota"] = diskioquota
711
712 if target_flavor["guest-epa"].get("vif-quota"):
713 vifquota = _get_resource_allocation_params(
714 target_flavor["guest-epa"].get("vif-quota")
715 )
716
717 if vifquota:
718 extended["vif-quota"] = vifquota
719
720 if numa:
721 extended["numas"] = [numa]
722
723 if extended:
724 flavor_data["extended"] = extended
725
726 extra_dict = {"find_params": {"flavor_data": flavor_data}}
727 flavor_data_name = flavor_data.copy()
728 flavor_data_name["name"] = target_flavor["name"]
729 extra_dict["params"] = {"flavor_data": flavor_data_name}
730
731 return extra_dict
732
733 def _ip_profile_2_ro(ip_profile):
734 if not ip_profile:
735 return None
736
737 ro_ip_profile = {
738 "ip_version": "IPv4"
739 if "v4" in ip_profile.get("ip-version", "ipv4")
740 else "IPv6",
741 "subnet_address": ip_profile.get("subnet-address"),
742 "gateway_address": ip_profile.get("gateway-address"),
743 "dhcp_enabled": ip_profile.get("dhcp-params", {}).get(
744 "enabled", False
745 ),
746 "dhcp_start_address": ip_profile.get("dhcp-params", {}).get(
747 "start-address", None
748 ),
749 "dhcp_count": ip_profile.get("dhcp-params", {}).get("count", None),
750 }
751
752 if ip_profile.get("dns-server"):
753 ro_ip_profile["dns_address"] = ";".join(
754 [v["address"] for v in ip_profile["dns-server"]]
755 )
756
757 if ip_profile.get("security-group"):
758 ro_ip_profile["security_group"] = ip_profile["security-group"]
759
760 return ro_ip_profile
761
762 def _process_net_params(target_vld, vim_info, target_record_id):
763 nonlocal indata
764 extra_dict = {}
765
766 if vim_info.get("sdn"):
767 # vnf_preffix = "vnfrs:{}".format(vnfr_id)
768 # ns_preffix = "nsrs:{}".format(nsr_id)
769 # remove the ending ".sdn
770 vld_target_record_id, _, _ = target_record_id.rpartition(".")
771 extra_dict["params"] = {
772 k: vim_info[k]
773 for k in ("sdn-ports", "target_vim", "vlds", "type")
774 if vim_info.get(k)
775 }
776
777 # TODO needed to add target_id in the dependency.
778 if vim_info.get("target_vim"):
779 extra_dict["depends_on"] = [
780 vim_info.get("target_vim") + " " + vld_target_record_id
781 ]
782
783 return extra_dict
784
785 if vim_info.get("vim_network_name"):
786 extra_dict["find_params"] = {
787 "filter_dict": {"name": vim_info.get("vim_network_name")}
788 }
789 elif vim_info.get("vim_network_id"):
790 extra_dict["find_params"] = {
791 "filter_dict": {"id": vim_info.get("vim_network_id")}
792 }
793 elif target_vld.get("mgmt-network"):
794 extra_dict["find_params"] = {"mgmt": True, "name": target_vld["id"]}
795 else:
796 # create
797 extra_dict["params"] = {
798 "net_name": "{}-{}".format(
799 indata["name"][:16],
800 target_vld.get("name", target_vld["id"])[:16],
801 ),
802 "ip_profile": _ip_profile_2_ro(vim_info.get("ip_profile")),
803 "provider_network_profile": vim_info.get("provider_network"),
804 }
805
806 if not target_vld.get("underlay"):
807 extra_dict["params"]["net_type"] = "bridge"
808 else:
809 extra_dict["params"]["net_type"] = (
810 "ptp" if target_vld.get("type") == "ELINE" else "data"
811 )
812
813 return extra_dict
814
815 def _process_vdu_params(target_vdu, vim_info, target_record_id):
816 nonlocal vnfr_id
817 nonlocal nsr_id
818 nonlocal indata
819 nonlocal vnfr
820 nonlocal vdu2cloud_init
821 nonlocal tasks_by_target_record_id
822
823 vnf_preffix = "vnfrs:{}".format(vnfr_id)
824 ns_preffix = "nsrs:{}".format(nsr_id)
825 image_text = ns_preffix + ":image." + target_vdu["ns-image-id"]
826 flavor_text = ns_preffix + ":flavor." + target_vdu["ns-flavor-id"]
827 extra_dict = {"depends_on": [image_text, flavor_text]}
828 net_list = []
829
830 for iface_index, interface in enumerate(target_vdu["interfaces"]):
831 if interface.get("ns-vld-id"):
832 net_text = ns_preffix + ":vld." + interface["ns-vld-id"]
833 elif interface.get("vnf-vld-id"):
834 net_text = vnf_preffix + ":vld." + interface["vnf-vld-id"]
835 else:
836 self.logger.error(
837 "Interface {} from vdu {} not connected to any vld".format(
838 iface_index, target_vdu["vdu-name"]
839 )
840 )
841
842 continue # interface not connected to any vld
843
844 extra_dict["depends_on"].append(net_text)
845
846 if "port-security-enabled" in interface:
847 interface["port_security"] = interface.pop(
848 "port-security-enabled"
849 )
850
851 if "port-security-disable-strategy" in interface:
852 interface["port_security_disable_strategy"] = interface.pop(
853 "port-security-disable-strategy"
854 )
855
856 net_item = {
857 x: v
858 for x, v in interface.items()
859 if x
860 in (
861 "name",
862 "vpci",
863 "port_security",
864 "port_security_disable_strategy",
865 "floating_ip",
866 )
867 }
868 net_item["net_id"] = "TASK-" + net_text
869 net_item["type"] = "virtual"
870
871 # TODO mac_address: used for SR-IOV ifaces #TODO for other types
872 # TODO floating_ip: True/False (or it can be None)
873 if interface.get("type") in ("SR-IOV", "PCI-PASSTHROUGH"):
874 # mark the net create task as type data
875 if deep_get(
876 tasks_by_target_record_id, net_text, "params", "net_type"
877 ):
878 tasks_by_target_record_id[net_text]["params"][
879 "net_type"
880 ] = "data"
881
882 net_item["use"] = "data"
883 net_item["model"] = interface["type"]
884 net_item["type"] = interface["type"]
885 elif (
886 interface.get("type") == "OM-MGMT"
887 or interface.get("mgmt-interface")
888 or interface.get("mgmt-vnf")
889 ):
890 net_item["use"] = "mgmt"
891 else:
892 # if interface.get("type") in ("VIRTIO", "E1000", "PARAVIRT"):
893 net_item["use"] = "bridge"
894 net_item["model"] = interface.get("type")
895
896 if interface.get("ip-address"):
897 net_item["ip_address"] = interface["ip-address"]
898
899 if interface.get("mac-address"):
900 net_item["mac_address"] = interface["mac-address"]
901
902 net_list.append(net_item)
903
904 if interface.get("mgmt-vnf"):
905 extra_dict["mgmt_vnf_interface"] = iface_index
906 elif interface.get("mgmt-interface"):
907 extra_dict["mgmt_vdu_interface"] = iface_index
908
909 # cloud config
910 cloud_config = {}
911
912 if target_vdu.get("cloud-init"):
913 if target_vdu["cloud-init"] not in vdu2cloud_init:
914 vdu2cloud_init[target_vdu["cloud-init"]] = self._get_cloud_init(
915 target_vdu["cloud-init"]
916 )
917
918 cloud_content_ = vdu2cloud_init[target_vdu["cloud-init"]]
919 cloud_config["user-data"] = self._parse_jinja2(
920 cloud_content_,
921 target_vdu.get("additionalParams"),
922 target_vdu["cloud-init"],
923 )
924
925 if target_vdu.get("boot-data-drive"):
926 cloud_config["boot-data-drive"] = target_vdu.get("boot-data-drive")
927
928 ssh_keys = []
929
930 if target_vdu.get("ssh-keys"):
931 ssh_keys += target_vdu.get("ssh-keys")
932
933 if target_vdu.get("ssh-access-required"):
934 ssh_keys.append(ro_nsr_public_key)
935
936 if ssh_keys:
937 cloud_config["key-pairs"] = ssh_keys
938
939 disk_list = None
940 if target_vdu.get("virtual-storages"):
941 disk_list = [
942 {"size": disk["size-of-storage"]}
943 for disk in target_vdu["virtual-storages"]
944 if disk.get("type-of-storage")
945 == "persistent-storage:persistent-storage"
946 ]
947
948 extra_dict["params"] = {
949 "name": "{}-{}-{}-{}".format(
950 indata["name"][:16],
951 vnfr["member-vnf-index-ref"][:16],
952 target_vdu["vdu-name"][:32],
953 target_vdu.get("count-index") or 0,
954 ),
955 "description": target_vdu["vdu-name"],
956 "start": True,
957 "image_id": "TASK-" + image_text,
958 "flavor_id": "TASK-" + flavor_text,
959 "net_list": net_list,
960 "cloud_config": cloud_config or None,
961 "disk_list": disk_list,
962 "availability_zone_index": None, # TODO
963 "availability_zone_list": None, # TODO
964 }
965
966 return extra_dict
967
968 def _process_items(
969 target_list,
970 existing_list,
971 db_record,
972 db_update,
973 db_path,
974 item,
975 process_params,
976 ):
977 nonlocal db_new_tasks
978 nonlocal tasks_by_target_record_id
979 nonlocal action_id
980 nonlocal nsr_id
981 nonlocal task_index
982
983 # ensure all the target_list elements has an "id". If not assign the index as id
984 for target_index, tl in enumerate(target_list):
985 if tl and not tl.get("id"):
986 tl["id"] = str(target_index)
987
988 # step 1 items (networks,vdus,...) to be deleted/updated
989 for item_index, existing_item in enumerate(existing_list):
990 target_item = next(
991 (t for t in target_list if t["id"] == existing_item["id"]), None
992 )
993
994 for target_vim, existing_viminfo in existing_item.get(
995 "vim_info", {}
996 ).items():
997 if existing_viminfo is None:
998 continue
999
1000 if target_item:
1001 target_viminfo = target_item.get("vim_info", {}).get(
1002 target_vim
1003 )
1004 else:
1005 target_viminfo = None
1006
1007 if target_viminfo is None:
1008 # must be deleted
1009 self._assign_vim(target_vim)
1010 target_record_id = "{}.{}".format(
1011 db_record, existing_item["id"]
1012 )
1013 item_ = item
1014
1015 if target_vim.startswith("sdn"):
1016 # item must be sdn-net instead of net if target_vim is a sdn
1017 item_ = "sdn_net"
1018 target_record_id += ".sdn"
1019
1020 deployment_info = {
1021 "action_id": action_id,
1022 "nsr_id": nsr_id,
1023 "task_index": task_index,
1024 }
1025
1026 task = Ns._create_task(
1027 deployment_info=deployment_info,
1028 target_id=target_vim,
1029 item=item_,
1030 action="DELETE",
1031 target_record=f"{db_record}.{item_index}.vim_info.{target_vim}",
1032 target_record_id=target_record_id,
1033 )
1034
1035 task_index = deployment_info.get("task_index")
1036
1037 tasks_by_target_record_id[target_record_id] = task
1038 db_new_tasks.append(task)
1039 # TODO delete
1040 # TODO check one by one the vims to be created/deleted
1041
1042 # step 2 items (networks,vdus,...) to be created
1043 for target_item in target_list:
1044 item_index = -1
1045
1046 for item_index, existing_item in enumerate(existing_list):
1047 if existing_item["id"] == target_item["id"]:
1048 break
1049 else:
1050 item_index += 1
1051 db_update[db_path + ".{}".format(item_index)] = target_item
1052 existing_list.append(target_item)
1053 existing_item = None
1054
1055 for target_vim, target_viminfo in target_item.get(
1056 "vim_info", {}
1057 ).items():
1058 existing_viminfo = None
1059
1060 if existing_item:
1061 existing_viminfo = existing_item.get("vim_info", {}).get(
1062 target_vim
1063 )
1064
1065 # TODO check if different. Delete and create???
1066 # TODO delete if not exist
1067 if existing_viminfo is not None:
1068 continue
1069
1070 target_record_id = "{}.{}".format(db_record, target_item["id"])
1071 item_ = item
1072
1073 if target_vim.startswith("sdn"):
1074 # item must be sdn-net instead of net if target_vim is a sdn
1075 item_ = "sdn_net"
1076 target_record_id += ".sdn"
1077
1078 extra_dict = process_params(
1079 target_item, target_viminfo, target_record_id
1080 )
1081 self._assign_vim(target_vim)
1082
1083 deployment_info = {
1084 "action_id": action_id,
1085 "nsr_id": nsr_id,
1086 "task_index": task_index,
1087 }
1088
1089 task = Ns._create_task(
1090 deployment_info=deployment_info,
1091 target_id=target_vim,
1092 item=item_,
1093 action="CREATE",
1094 target_record=f"{db_record}.{item_index}.vim_info.{target_vim}",
1095 target_record_id=target_record_id,
1096 extra_dict=extra_dict,
1097 )
1098
1099 task_index = deployment_info.get("task_index")
1100
1101 tasks_by_target_record_id[target_record_id] = task
1102 db_new_tasks.append(task)
1103
1104 if target_item.get("common_id"):
1105 task["common_id"] = target_item["common_id"]
1106
1107 db_update[db_path + ".{}".format(item_index)] = target_item
1108
1109 def _process_action(indata):
1110 nonlocal db_new_tasks
1111 nonlocal action_id
1112 nonlocal nsr_id
1113 nonlocal task_index
1114 nonlocal db_vnfrs
1115 nonlocal db_ro_nsr
1116
1117 if indata["action"]["action"] == "inject_ssh_key":
1118 key = indata["action"].get("key")
1119 user = indata["action"].get("user")
1120 password = indata["action"].get("password")
1121
1122 for vnf in indata.get("vnf", ()):
1123 if vnf["_id"] not in db_vnfrs:
1124 raise NsException("Invalid vnf={}".format(vnf["_id"]))
1125
1126 db_vnfr = db_vnfrs[vnf["_id"]]
1127
1128 for target_vdu in vnf.get("vdur", ()):
1129 vdu_index, vdur = next(
1130 (
1131 i_v
1132 for i_v in enumerate(db_vnfr["vdur"])
1133 if i_v[1]["id"] == target_vdu["id"]
1134 ),
1135 (None, None),
1136 )
1137
1138 if not vdur:
1139 raise NsException(
1140 "Invalid vdu vnf={}.{}".format(
1141 vnf["_id"], target_vdu["id"]
1142 )
1143 )
1144
1145 target_vim, vim_info = next(
1146 k_v for k_v in vdur["vim_info"].items()
1147 )
1148 self._assign_vim(target_vim)
1149 target_record = "vnfrs:{}:vdur.{}.ssh_keys".format(
1150 vnf["_id"], vdu_index
1151 )
1152 extra_dict = {
1153 "depends_on": [
1154 "vnfrs:{}:vdur.{}".format(vnf["_id"], vdur["id"])
1155 ],
1156 "params": {
1157 "ip_address": vdur.get("ip-address"),
1158 "user": user,
1159 "key": key,
1160 "password": password,
1161 "private_key": db_ro_nsr["private_key"],
1162 "salt": db_ro_nsr["_id"],
1163 "schema_version": db_ro_nsr["_admin"][
1164 "schema_version"
1165 ],
1166 },
1167 }
1168
1169 deployment_info = {
1170 "action_id": action_id,
1171 "nsr_id": nsr_id,
1172 "task_index": task_index,
1173 }
1174
1175 task = Ns._create_task(
1176 deployment_info=deployment_info,
1177 target_id=target_vim,
1178 item="vdu",
1179 action="EXEC",
1180 target_record=target_record,
1181 target_record_id=None,
1182 extra_dict=extra_dict,
1183 )
1184
1185 task_index = deployment_info.get("task_index")
1186
1187 db_new_tasks.append(task)
1188
1189 with self.write_lock:
1190 if indata.get("action"):
1191 _process_action(indata)
1192 else:
1193 # compute network differences
1194 # NS.vld
1195 step = "process NS VLDs"
1196 _process_items(
1197 target_list=indata["ns"]["vld"] or [],
1198 existing_list=db_nsr.get("vld") or [],
1199 db_record="nsrs:{}:vld".format(nsr_id),
1200 db_update=db_nsr_update,
1201 db_path="vld",
1202 item="net",
1203 process_params=_process_net_params,
1204 )
1205
1206 step = "process NS images"
1207 _process_items(
1208 target_list=indata.get("image") or [],
1209 existing_list=db_nsr.get("image") or [],
1210 db_record="nsrs:{}:image".format(nsr_id),
1211 db_update=db_nsr_update,
1212 db_path="image",
1213 item="image",
1214 process_params=Ns._process_image_params,
1215 )
1216
1217 step = "process NS flavors"
1218 _process_items(
1219 target_list=indata.get("flavor") or [],
1220 existing_list=db_nsr.get("flavor") or [],
1221 db_record="nsrs:{}:flavor".format(nsr_id),
1222 db_update=db_nsr_update,
1223 db_path="flavor",
1224 item="flavor",
1225 process_params=_process_flavor_params,
1226 )
1227
1228 # VNF.vld
1229 for vnfr_id, vnfr in db_vnfrs.items():
1230 # vnfr_id need to be set as global variable for among others nested method _process_vdu_params
1231 step = "process VNF={} VLDs".format(vnfr_id)
1232 target_vnf = next(
1233 (
1234 vnf
1235 for vnf in indata.get("vnf", ())
1236 if vnf["_id"] == vnfr_id
1237 ),
1238 None,
1239 )
1240 target_list = target_vnf.get("vld") if target_vnf else None
1241 _process_items(
1242 target_list=target_list or [],
1243 existing_list=vnfr.get("vld") or [],
1244 db_record="vnfrs:{}:vld".format(vnfr_id),
1245 db_update=db_vnfrs_update[vnfr["_id"]],
1246 db_path="vld",
1247 item="net",
1248 process_params=_process_net_params,
1249 )
1250
1251 target_list = target_vnf.get("vdur") if target_vnf else None
1252 step = "process VNF={} VDUs".format(vnfr_id)
1253 _process_items(
1254 target_list=target_list or [],
1255 existing_list=vnfr.get("vdur") or [],
1256 db_record="vnfrs:{}:vdur".format(vnfr_id),
1257 db_update=db_vnfrs_update[vnfr["_id"]],
1258 db_path="vdur",
1259 item="vdu",
1260 process_params=_process_vdu_params,
1261 )
1262
1263 for db_task in db_new_tasks:
1264 step = "Updating database, Appending tasks to ro_tasks"
1265 target_id = db_task.pop("target_id")
1266 common_id = db_task.get("common_id")
1267
1268 if common_id:
1269 if self.db.set_one(
1270 "ro_tasks",
1271 q_filter={
1272 "target_id": target_id,
1273 "tasks.common_id": common_id,
1274 },
1275 update_dict={"to_check_at": now, "modified_at": now},
1276 push={"tasks": db_task},
1277 fail_on_empty=False,
1278 ):
1279 continue
1280
1281 if not self.db.set_one(
1282 "ro_tasks",
1283 q_filter={
1284 "target_id": target_id,
1285 "tasks.target_record": db_task["target_record"],
1286 },
1287 update_dict={"to_check_at": now, "modified_at": now},
1288 push={"tasks": db_task},
1289 fail_on_empty=False,
1290 ):
1291 # Create a ro_task
1292 step = "Updating database, Creating ro_tasks"
1293 db_ro_task = Ns._create_ro_task(target_id, db_task)
1294 nb_ro_tasks += 1
1295 self.db.create("ro_tasks", db_ro_task)
1296
1297 step = "Updating database, nsrs"
1298 if db_nsr_update:
1299 self.db.set_one("nsrs", {"_id": nsr_id}, db_nsr_update)
1300
1301 for vnfr_id, db_vnfr_update in db_vnfrs_update.items():
1302 if db_vnfr_update:
1303 step = "Updating database, vnfrs={}".format(vnfr_id)
1304 self.db.set_one("vnfrs", {"_id": vnfr_id}, db_vnfr_update)
1305
1306 self.logger.debug(
1307 logging_text
1308 + "Exit. Created {} ro_tasks; {} tasks".format(
1309 nb_ro_tasks, len(db_new_tasks)
1310 )
1311 )
1312
1313 return (
1314 {"status": "ok", "nsr_id": nsr_id, "action_id": action_id},
1315 action_id,
1316 True,
1317 )
1318 except Exception as e:
1319 if isinstance(e, (DbException, NsException)):
1320 self.logger.error(
1321 logging_text + "Exit Exception while '{}': {}".format(step, e)
1322 )
1323 else:
1324 e = traceback_format_exc()
1325 self.logger.critical(
1326 logging_text + "Exit Exception while '{}': {}".format(step, e),
1327 exc_info=True,
1328 )
1329
1330 raise NsException(e)
1331
1332 def delete(self, session, indata, version, nsr_id, *args, **kwargs):
1333 self.logger.debug("ns.delete version={} nsr_id={}".format(version, nsr_id))
1334 # self.db.del_list({"_id": ro_task["_id"], "tasks.nsr_id.ne": nsr_id})
1335
1336 with self.write_lock:
1337 try:
1338 NsWorker.delete_db_tasks(self.db, nsr_id, None)
1339 except NsWorkerException as e:
1340 raise NsException(e)
1341
1342 return None, None, True
1343
1344 def status(self, session, indata, version, nsr_id, action_id, *args, **kwargs):
1345 # self.logger.debug("ns.status version={} nsr_id={}, action_id={} indata={}"
1346 # .format(version, nsr_id, action_id, indata))
1347 task_list = []
1348 done = 0
1349 total = 0
1350 ro_tasks = self.db.get_list("ro_tasks", {"tasks.action_id": action_id})
1351 global_status = "DONE"
1352 details = []
1353
1354 for ro_task in ro_tasks:
1355 for task in ro_task["tasks"]:
1356 if task and task["action_id"] == action_id:
1357 task_list.append(task)
1358 total += 1
1359
1360 if task["status"] == "FAILED":
1361 global_status = "FAILED"
1362 error_text = "Error at {} {}: {}".format(
1363 task["action"].lower(),
1364 task["item"],
1365 ro_task["vim_info"].get("vim_details") or "unknown",
1366 )
1367 details.append(error_text)
1368 elif task["status"] in ("SCHEDULED", "BUILD"):
1369 if global_status != "FAILED":
1370 global_status = "BUILD"
1371 else:
1372 done += 1
1373
1374 return_data = {
1375 "status": global_status,
1376 "details": ". ".join(details)
1377 if details
1378 else "progress {}/{}".format(done, total),
1379 "nsr_id": nsr_id,
1380 "action_id": action_id,
1381 "tasks": task_list,
1382 }
1383
1384 return return_data, None, True
1385
1386 def cancel(self, session, indata, version, nsr_id, action_id, *args, **kwargs):
1387 print(
1388 "ns.cancel session={} indata={} version={} nsr_id={}, action_id={}".format(
1389 session, indata, version, nsr_id, action_id
1390 )
1391 )
1392
1393 return None, None, True
1394
1395 def get_deploy(self, session, indata, version, nsr_id, action_id, *args, **kwargs):
1396 nsrs = self.db.get_list("nsrs", {})
1397 return_data = []
1398
1399 for ns in nsrs:
1400 return_data.append({"_id": ns["_id"], "name": ns["name"]})
1401
1402 return return_data, None, True
1403
1404 def get_actions(self, session, indata, version, nsr_id, action_id, *args, **kwargs):
1405 ro_tasks = self.db.get_list("ro_tasks", {"tasks.nsr_id": nsr_id})
1406 return_data = []
1407
1408 for ro_task in ro_tasks:
1409 for task in ro_task["tasks"]:
1410 if task["action_id"] not in return_data:
1411 return_data.append(task["action_id"])
1412
1413 return return_data, None, True