2ca12eb11717438783b44f70f099573eaaec9e23
[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 from http import HTTPStatus
20 import logging
21 from random import choice as random_choice
22 from threading import Lock
23 from time import time
24 from traceback import format_exc as traceback_format_exc
25 from uuid import uuid4
26
27 from cryptography.hazmat.backends import default_backend as crypto_default_backend
28 from cryptography.hazmat.primitives import serialization as crypto_serialization
29 from cryptography.hazmat.primitives.asymmetric import rsa
30 from jinja2 import (
31 Environment,
32 StrictUndefined,
33 TemplateError,
34 TemplateNotFound,
35 UndefinedError,
36 )
37 from osm_common import (
38 dbmemory,
39 dbmongo,
40 fslocal,
41 fsmongo,
42 msgkafka,
43 msglocal,
44 version as common_version,
45 )
46 from osm_common.dbbase import DbException
47 from osm_common.fsbase import FsException
48 from osm_common.msgbase import MsgException
49 from osm_ng_ro.ns_thread import deep_get, NsWorker, NsWorkerException
50 from osm_ng_ro.validation import deploy_schema, validate_input
51
52 __author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
53 min_common_version = "0.1.16"
54
55
56 class NsException(Exception):
57 def __init__(self, message, http_code=HTTPStatus.BAD_REQUEST):
58 self.http_code = http_code
59 super(Exception, self).__init__(message)
60
61
62 def get_process_id():
63 """
64 Obtain a unique ID for this process. If running from inside docker, it will get docker ID. If not it
65 will provide a random one
66 :return: Obtained ID
67 """
68 # Try getting docker id. If fails, get pid
69 try:
70 with open("/proc/self/cgroup", "r") as f:
71 text_id_ = f.readline()
72 _, _, text_id = text_id_.rpartition("/")
73 text_id = text_id.replace("\n", "")[:12]
74
75 if text_id:
76 return text_id
77 except Exception:
78 pass
79
80 # Return a random id
81 return "".join(random_choice("0123456789abcdef") for _ in range(12))
82
83
84 def versiontuple(v):
85 """utility for compare dot separate versions. Fills with zeros to proper number comparison"""
86 filled = []
87
88 for point in v.split("."):
89 filled.append(point.zfill(8))
90
91 return tuple(filled)
92
93
94 class Ns(object):
95 def __init__(self):
96 self.db = None
97 self.fs = None
98 self.msg = None
99 self.config = None
100 # self.operations = None
101 self.logger = None
102 # ^ Getting logger inside method self.start because parent logger (ro) is not available yet.
103 # If done now it will not be linked to parent not getting its handler and level
104 self.map_topic = {}
105 self.write_lock = None
106 self.vims_assigned = {}
107 self.next_worker = 0
108 self.plugins = {}
109 self.workers = []
110
111 def init_db(self, target_version):
112 pass
113
114 def start(self, config):
115 """
116 Connect to database, filesystem storage, and messaging
117 :param config: two level dictionary with configuration. Top level should contain 'database', 'storage',
118 :param config: Configuration of db, storage, etc
119 :return: None
120 """
121 self.config = config
122 self.config["process_id"] = get_process_id() # used for HA identity
123 self.logger = logging.getLogger("ro.ns")
124
125 # check right version of common
126 if versiontuple(common_version) < versiontuple(min_common_version):
127 raise NsException(
128 "Not compatible osm/common version '{}'. Needed '{}' or higher".format(
129 common_version, min_common_version
130 )
131 )
132
133 try:
134 if not self.db:
135 if config["database"]["driver"] == "mongo":
136 self.db = dbmongo.DbMongo()
137 self.db.db_connect(config["database"])
138 elif config["database"]["driver"] == "memory":
139 self.db = dbmemory.DbMemory()
140 self.db.db_connect(config["database"])
141 else:
142 raise NsException(
143 "Invalid configuration param '{}' at '[database]':'driver'".format(
144 config["database"]["driver"]
145 )
146 )
147
148 if not self.fs:
149 if config["storage"]["driver"] == "local":
150 self.fs = fslocal.FsLocal()
151 self.fs.fs_connect(config["storage"])
152 elif config["storage"]["driver"] == "mongo":
153 self.fs = fsmongo.FsMongo()
154 self.fs.fs_connect(config["storage"])
155 elif config["storage"]["driver"] is None:
156 pass
157 else:
158 raise NsException(
159 "Invalid configuration param '{}' at '[storage]':'driver'".format(
160 config["storage"]["driver"]
161 )
162 )
163
164 if not self.msg:
165 if config["message"]["driver"] == "local":
166 self.msg = msglocal.MsgLocal()
167 self.msg.connect(config["message"])
168 elif config["message"]["driver"] == "kafka":
169 self.msg = msgkafka.MsgKafka()
170 self.msg.connect(config["message"])
171 else:
172 raise NsException(
173 "Invalid configuration param '{}' at '[message]':'driver'".format(
174 config["message"]["driver"]
175 )
176 )
177
178 # TODO load workers to deal with exising database tasks
179
180 self.write_lock = Lock()
181 except (DbException, FsException, MsgException) as e:
182 raise NsException(str(e), http_code=e.http_code)
183
184 def get_assigned_vims(self):
185 return list(self.vims_assigned.keys())
186
187 def stop(self):
188 try:
189 if self.db:
190 self.db.db_disconnect()
191
192 if self.fs:
193 self.fs.fs_disconnect()
194
195 if self.msg:
196 self.msg.disconnect()
197
198 self.write_lock = None
199 except (DbException, FsException, MsgException) as e:
200 raise NsException(str(e), http_code=e.http_code)
201
202 for worker in self.workers:
203 worker.insert_task(("terminate",))
204
205 def _create_worker(self):
206 """
207 Look for a worker thread in idle status. If not found it creates one unless the number of threads reach the
208 limit of 'server.ns_threads' configuration. If reached, it just assigns one existing thread
209 return the index of the assigned worker thread. Worker threads are storead at self.workers
210 """
211 # Look for a thread in idle status
212 worker_id = next(
213 (
214 i
215 for i in range(len(self.workers))
216 if self.workers[i] and self.workers[i].idle
217 ),
218 None,
219 )
220
221 if worker_id is not None:
222 # unset idle status to avoid race conditions
223 self.workers[worker_id].idle = False
224 else:
225 worker_id = len(self.workers)
226
227 if worker_id < self.config["global"]["server.ns_threads"]:
228 # create a new worker
229 self.workers.append(
230 NsWorker(worker_id, self.config, self.plugins, self.db)
231 )
232 self.workers[worker_id].start()
233 else:
234 # reached maximum number of threads, assign VIM to an existing one
235 worker_id = self.next_worker
236 self.next_worker = (self.next_worker + 1) % self.config["global"][
237 "server.ns_threads"
238 ]
239
240 return worker_id
241
242 def assign_vim(self, target_id):
243 with self.write_lock:
244 return self._assign_vim(target_id)
245
246 def _assign_vim(self, target_id):
247 if target_id not in self.vims_assigned:
248 worker_id = self.vims_assigned[target_id] = self._create_worker()
249 self.workers[worker_id].insert_task(("load_vim", target_id))
250
251 def reload_vim(self, target_id):
252 # send reload_vim to the thread working with this VIM and inform all that a VIM has been changed,
253 # this is because database VIM information is cached for threads working with SDN
254 with self.write_lock:
255 for worker in self.workers:
256 if worker and not worker.idle:
257 worker.insert_task(("reload_vim", target_id))
258
259 def unload_vim(self, target_id):
260 with self.write_lock:
261 return self._unload_vim(target_id)
262
263 def _unload_vim(self, target_id):
264 if target_id in self.vims_assigned:
265 worker_id = self.vims_assigned[target_id]
266 self.workers[worker_id].insert_task(("unload_vim", target_id))
267 del self.vims_assigned[target_id]
268
269 def check_vim(self, target_id):
270 with self.write_lock:
271 if target_id in self.vims_assigned:
272 worker_id = self.vims_assigned[target_id]
273 else:
274 worker_id = self._create_worker()
275
276 worker = self.workers[worker_id]
277 worker.insert_task(("check_vim", target_id))
278
279 def unload_unused_vims(self):
280 with self.write_lock:
281 vims_to_unload = []
282
283 for target_id in self.vims_assigned:
284 if not self.db.get_one(
285 "ro_tasks",
286 q_filter={
287 "target_id": target_id,
288 "tasks.status": ["SCHEDULED", "BUILD", "DONE", "FAILED"],
289 },
290 fail_on_empty=False,
291 ):
292 vims_to_unload.append(target_id)
293
294 for target_id in vims_to_unload:
295 self._unload_vim(target_id)
296
297 def _get_cloud_init(self, where):
298 """
299 Not used as cloud init content is provided in the http body. This method reads cloud init from a file
300 :param where: can be 'vnfr_id:file:file_name' or 'vnfr_id:vdu:vdu_idex'
301 :return:
302 """
303 vnfd_id, _, other = where.partition(":")
304 _type, _, name = other.partition(":")
305 vnfd = self.db.get_one("vnfds", {"_id": vnfd_id})
306
307 if _type == "file":
308 base_folder = vnfd["_admin"]["storage"]
309 cloud_init_file = "{}/{}/cloud_init/{}".format(
310 base_folder["folder"], base_folder["pkg-dir"], name
311 )
312
313 if not self.fs:
314 raise NsException(
315 "Cannot read file '{}'. Filesystem not loaded, change configuration at storage.driver".format(
316 cloud_init_file
317 )
318 )
319
320 with self.fs.file_open(cloud_init_file, "r") as ci_file:
321 cloud_init_content = ci_file.read()
322 elif _type == "vdu":
323 cloud_init_content = vnfd["vdu"][int(name)]["cloud-init"]
324 else:
325 raise NsException("Mismatch descriptor for cloud init: {}".format(where))
326
327 return cloud_init_content
328
329 def _parse_jinja2(self, cloud_init_content, params, context):
330 try:
331 env = Environment(undefined=StrictUndefined)
332 template = env.from_string(cloud_init_content)
333
334 return template.render(params or {})
335 except UndefinedError as e:
336 raise NsException(
337 "Variable '{}' defined at vnfd='{}' must be provided in the instantiation parameters"
338 "inside the 'additionalParamsForVnf' block".format(e, context)
339 )
340 except (TemplateError, TemplateNotFound) as e:
341 raise NsException(
342 "Error parsing Jinja2 to cloud-init content at vnfd='{}': {}".format(
343 context, e
344 )
345 )
346
347 def _create_db_ro_nsrs(self, nsr_id, now):
348 try:
349 key = rsa.generate_private_key(
350 backend=crypto_default_backend(), public_exponent=65537, key_size=2048
351 )
352 private_key = key.private_bytes(
353 crypto_serialization.Encoding.PEM,
354 crypto_serialization.PrivateFormat.PKCS8,
355 crypto_serialization.NoEncryption(),
356 )
357 public_key = key.public_key().public_bytes(
358 crypto_serialization.Encoding.OpenSSH,
359 crypto_serialization.PublicFormat.OpenSSH,
360 )
361 private_key = private_key.decode("utf8")
362 # Change first line because Paramiko needs a explicit start with 'BEGIN RSA PRIVATE KEY'
363 i = private_key.find("\n")
364 private_key = "-----BEGIN RSA PRIVATE KEY-----" + private_key[i:]
365 public_key = public_key.decode("utf8")
366 except Exception as e:
367 raise NsException("Cannot create ssh-keys: {}".format(e))
368
369 schema_version = "1.1"
370 private_key_encrypted = self.db.encrypt(
371 private_key, schema_version=schema_version, salt=nsr_id
372 )
373 db_content = {
374 "_id": nsr_id,
375 "_admin": {
376 "created": now,
377 "modified": now,
378 "schema_version": schema_version,
379 },
380 "public_key": public_key,
381 "private_key": private_key_encrypted,
382 "actions": [],
383 }
384 self.db.create("ro_nsrs", db_content)
385
386 return db_content
387
388 def deploy(self, session, indata, version, nsr_id, *args, **kwargs):
389 self.logger.debug("ns.deploy nsr_id={} indata={}".format(nsr_id, indata))
390 validate_input(indata, deploy_schema)
391 action_id = indata.get("action_id", str(uuid4()))
392 task_index = 0
393 # get current deployment
394 db_nsr_update = {} # update operation on nsrs
395 db_vnfrs_update = {}
396 db_vnfrs = {} # vnf's info indexed by _id
397 nb_ro_tasks = 0 # for logging
398 vdu2cloud_init = indata.get("cloud_init_content") or {}
399 step = ""
400 logging_text = "Task deploy nsr_id={} action_id={} ".format(nsr_id, action_id)
401 self.logger.debug(logging_text + "Enter")
402
403 try:
404 step = "Getting ns and vnfr record from db"
405 db_nsr = self.db.get_one("nsrs", {"_id": nsr_id})
406 db_new_tasks = []
407 tasks_by_target_record_id = {}
408 # read from db: vnf's of this ns
409 step = "Getting vnfrs from db"
410 db_vnfrs_list = self.db.get_list("vnfrs", {"nsr-id-ref": nsr_id})
411
412 if not db_vnfrs_list:
413 raise NsException("Cannot obtain associated VNF for ns")
414
415 for vnfr in db_vnfrs_list:
416 db_vnfrs[vnfr["_id"]] = vnfr
417 db_vnfrs_update[vnfr["_id"]] = {}
418
419 now = time()
420 db_ro_nsr = self.db.get_one("ro_nsrs", {"_id": nsr_id}, fail_on_empty=False)
421
422 if not db_ro_nsr:
423 db_ro_nsr = self._create_db_ro_nsrs(nsr_id, now)
424
425 ro_nsr_public_key = db_ro_nsr["public_key"]
426
427 # check that action_id is not in the list of actions. Suffixed with :index
428 if action_id in db_ro_nsr["actions"]:
429 index = 1
430
431 while True:
432 new_action_id = "{}:{}".format(action_id, index)
433
434 if new_action_id not in db_ro_nsr["actions"]:
435 action_id = new_action_id
436 self.logger.debug(
437 logging_text
438 + "Changing action_id in use to {}".format(action_id)
439 )
440 break
441
442 index += 1
443
444 def _create_task(
445 target_id,
446 item,
447 action,
448 target_record,
449 target_record_id,
450 extra_dict=None,
451 ):
452 nonlocal task_index
453 nonlocal action_id
454 nonlocal nsr_id
455
456 task = {
457 "target_id": target_id, # it will be removed before pushing at database
458 "action_id": action_id,
459 "nsr_id": nsr_id,
460 "task_id": "{}:{}".format(action_id, task_index),
461 "status": "SCHEDULED",
462 "action": action,
463 "item": item,
464 "target_record": target_record,
465 "target_record_id": target_record_id,
466 }
467
468 if extra_dict:
469 task.update(extra_dict) # params, find_params, depends_on
470
471 task_index += 1
472
473 return task
474
475 def _create_ro_task(target_id, task):
476 nonlocal action_id
477 nonlocal task_index
478 nonlocal now
479
480 _id = task["task_id"]
481 db_ro_task = {
482 "_id": _id,
483 "locked_by": None,
484 "locked_at": 0.0,
485 "target_id": target_id,
486 "vim_info": {
487 "created": False,
488 "created_items": None,
489 "vim_id": None,
490 "vim_name": None,
491 "vim_status": None,
492 "vim_details": None,
493 "refresh_at": None,
494 },
495 "modified_at": now,
496 "created_at": now,
497 "to_check_at": now,
498 "tasks": [task],
499 }
500
501 return db_ro_task
502
503 def _process_image_params(target_image, vim_info, target_record_id):
504 find_params = {}
505
506 if target_image.get("image"):
507 find_params["filter_dict"] = {"name": target_image.get("image")}
508
509 if target_image.get("vim_image_id"):
510 find_params["filter_dict"] = {
511 "id": target_image.get("vim_image_id")
512 }
513
514 if target_image.get("image_checksum"):
515 find_params["filter_dict"] = {
516 "checksum": target_image.get("image_checksum")
517 }
518
519 return {"find_params": find_params}
520
521 def _process_flavor_params(target_flavor, vim_info, target_record_id):
522 def _get_resource_allocation_params(quota_descriptor):
523 """
524 read the quota_descriptor from vnfd and fetch the resource allocation properties from the
525 descriptor object
526 :param quota_descriptor: cpu/mem/vif/disk-io quota descriptor
527 :return: quota params for limit, reserve, shares from the descriptor object
528 """
529 quota = {}
530
531 if quota_descriptor.get("limit"):
532 quota["limit"] = int(quota_descriptor["limit"])
533
534 if quota_descriptor.get("reserve"):
535 quota["reserve"] = int(quota_descriptor["reserve"])
536
537 if quota_descriptor.get("shares"):
538 quota["shares"] = int(quota_descriptor["shares"])
539
540 return quota
541
542 nonlocal indata
543
544 flavor_data = {
545 "disk": int(target_flavor["storage-gb"]),
546 "ram": int(target_flavor["memory-mb"]),
547 "vcpus": int(target_flavor["vcpu-count"]),
548 }
549 numa = {}
550 extended = {}
551
552 target_vdur = None
553 for vnf in indata.get("vnf", []):
554 for vdur in vnf.get("vdur", []):
555 if vdur.get("ns-flavor-id") == target_flavor["id"]:
556 target_vdur = vdur
557
558 for storage in target_vdur.get("virtual-storages", []):
559 if (
560 storage.get("type-of-storage")
561 == "etsi-nfv-descriptors:ephemeral-storage"
562 ):
563 flavor_data["ephemeral"] = int(
564 storage.get("size-of-storage", 0)
565 )
566 elif (
567 storage.get("type-of-storage")
568 == "etsi-nfv-descriptors:swap-storage"
569 ):
570 flavor_data["swap"] = int(storage.get("size-of-storage", 0))
571
572 if target_flavor.get("guest-epa"):
573 extended = {}
574 epa_vcpu_set = False
575
576 if target_flavor["guest-epa"].get("numa-node-policy"):
577 numa_node_policy = target_flavor["guest-epa"].get(
578 "numa-node-policy"
579 )
580
581 if numa_node_policy.get("node"):
582 numa_node = numa_node_policy["node"][0]
583
584 if numa_node.get("num-cores"):
585 numa["cores"] = numa_node["num-cores"]
586 epa_vcpu_set = True
587
588 if numa_node.get("paired-threads"):
589 if numa_node["paired-threads"].get(
590 "num-paired-threads"
591 ):
592 numa["paired-threads"] = int(
593 numa_node["paired-threads"][
594 "num-paired-threads"
595 ]
596 )
597 epa_vcpu_set = True
598
599 if len(
600 numa_node["paired-threads"].get("paired-thread-ids")
601 ):
602 numa["paired-threads-id"] = []
603
604 for pair in numa_node["paired-threads"][
605 "paired-thread-ids"
606 ]:
607 numa["paired-threads-id"].append(
608 (
609 str(pair["thread-a"]),
610 str(pair["thread-b"]),
611 )
612 )
613
614 if numa_node.get("num-threads"):
615 numa["threads"] = int(numa_node["num-threads"])
616 epa_vcpu_set = True
617
618 if numa_node.get("memory-mb"):
619 numa["memory"] = max(
620 int(numa_node["memory-mb"] / 1024), 1
621 )
622
623 if target_flavor["guest-epa"].get("mempage-size"):
624 extended["mempage-size"] = target_flavor["guest-epa"].get(
625 "mempage-size"
626 )
627
628 if (
629 target_flavor["guest-epa"].get("cpu-pinning-policy")
630 and not epa_vcpu_set
631 ):
632 if (
633 target_flavor["guest-epa"]["cpu-pinning-policy"]
634 == "DEDICATED"
635 ):
636 if (
637 target_flavor["guest-epa"].get(
638 "cpu-thread-pinning-policy"
639 )
640 and target_flavor["guest-epa"][
641 "cpu-thread-pinning-policy"
642 ]
643 != "PREFER"
644 ):
645 numa["cores"] = max(flavor_data["vcpus"], 1)
646 else:
647 numa["threads"] = max(flavor_data["vcpus"], 1)
648
649 epa_vcpu_set = True
650
651 if target_flavor["guest-epa"].get("cpu-quota") and not epa_vcpu_set:
652 cpuquota = _get_resource_allocation_params(
653 target_flavor["guest-epa"].get("cpu-quota")
654 )
655
656 if cpuquota:
657 extended["cpu-quota"] = cpuquota
658
659 if target_flavor["guest-epa"].get("mem-quota"):
660 vduquota = _get_resource_allocation_params(
661 target_flavor["guest-epa"].get("mem-quota")
662 )
663
664 if vduquota:
665 extended["mem-quota"] = vduquota
666
667 if target_flavor["guest-epa"].get("disk-io-quota"):
668 diskioquota = _get_resource_allocation_params(
669 target_flavor["guest-epa"].get("disk-io-quota")
670 )
671
672 if diskioquota:
673 extended["disk-io-quota"] = diskioquota
674
675 if target_flavor["guest-epa"].get("vif-quota"):
676 vifquota = _get_resource_allocation_params(
677 target_flavor["guest-epa"].get("vif-quota")
678 )
679
680 if vifquota:
681 extended["vif-quota"] = vifquota
682
683 if numa:
684 extended["numas"] = [numa]
685
686 if extended:
687 flavor_data["extended"] = extended
688
689 extra_dict = {"find_params": {"flavor_data": flavor_data}}
690 flavor_data_name = flavor_data.copy()
691 flavor_data_name["name"] = target_flavor["name"]
692 extra_dict["params"] = {"flavor_data": flavor_data_name}
693
694 return extra_dict
695
696 def _process_affinity_group_params(
697 target_affinity_group, vim_info, target_record_id
698 ):
699 extra_dict = {}
700
701 affinity_group_data = {
702 "name": target_affinity_group["name"],
703 "type": target_affinity_group["type"],
704 "scope": target_affinity_group["scope"],
705 }
706
707 if target_affinity_group.get("vim-affinity-group-id"):
708 affinity_group_data[
709 "vim-affinity-group-id"
710 ] = target_affinity_group["vim-affinity-group-id"]
711
712 extra_dict["params"] = {
713 "affinity_group_data": affinity_group_data,
714 }
715
716 return extra_dict
717
718 def _ip_profile_2_ro(ip_profile):
719 if not ip_profile:
720 return None
721
722 ro_ip_profile = {
723 "ip_version": "IPv4"
724 if "v4" in ip_profile.get("ip-version", "ipv4")
725 else "IPv6",
726 "subnet_address": ip_profile.get("subnet-address"),
727 "gateway_address": ip_profile.get("gateway-address"),
728 "dhcp_enabled": ip_profile.get("dhcp-params", {}).get(
729 "enabled", False
730 ),
731 "dhcp_start_address": ip_profile.get("dhcp-params", {}).get(
732 "start-address", None
733 ),
734 "dhcp_count": ip_profile.get("dhcp-params", {}).get("count", None),
735 }
736
737 if ip_profile.get("dns-server"):
738 ro_ip_profile["dns_address"] = ";".join(
739 [v["address"] for v in ip_profile["dns-server"]]
740 )
741
742 if ip_profile.get("security-group"):
743 ro_ip_profile["security_group"] = ip_profile["security-group"]
744
745 return ro_ip_profile
746
747 def _process_net_params(target_vld, vim_info, target_record_id):
748 nonlocal indata
749 extra_dict = {}
750
751 if vim_info.get("sdn"):
752 # vnf_preffix = "vnfrs:{}".format(vnfr_id)
753 # ns_preffix = "nsrs:{}".format(nsr_id)
754 # remove the ending ".sdn
755 vld_target_record_id, _, _ = target_record_id.rpartition(".")
756 extra_dict["params"] = {
757 k: vim_info[k]
758 for k in ("sdn-ports", "target_vim", "vlds", "type")
759 if vim_info.get(k)
760 }
761
762 # TODO needed to add target_id in the dependency.
763 if vim_info.get("target_vim"):
764 extra_dict["depends_on"] = [
765 vim_info.get("target_vim") + " " + vld_target_record_id
766 ]
767
768 return extra_dict
769
770 if vim_info.get("vim_network_name"):
771 extra_dict["find_params"] = {
772 "filter_dict": {"name": vim_info.get("vim_network_name")}
773 }
774 elif vim_info.get("vim_network_id"):
775 extra_dict["find_params"] = {
776 "filter_dict": {"id": vim_info.get("vim_network_id")}
777 }
778 elif target_vld.get("mgmt-network"):
779 extra_dict["find_params"] = {"mgmt": True, "name": target_vld["id"]}
780 else:
781 # create
782 extra_dict["params"] = {
783 "net_name": "{}-{}".format(
784 indata["name"][:16],
785 target_vld.get("name", target_vld["id"])[:16],
786 ),
787 "ip_profile": _ip_profile_2_ro(vim_info.get("ip_profile")),
788 "provider_network_profile": vim_info.get("provider_network"),
789 }
790
791 if not target_vld.get("underlay"):
792 extra_dict["params"]["net_type"] = "bridge"
793 else:
794 extra_dict["params"]["net_type"] = (
795 "ptp" if target_vld.get("type") == "ELINE" else "data"
796 )
797
798 return extra_dict
799
800 def _process_vdu_params(target_vdu, vim_info, target_record_id):
801 nonlocal vnfr_id
802 nonlocal nsr_id
803 nonlocal indata
804 nonlocal vnfr
805 nonlocal vdu2cloud_init
806 nonlocal tasks_by_target_record_id
807
808 vnf_preffix = "vnfrs:{}".format(vnfr_id)
809 ns_preffix = "nsrs:{}".format(nsr_id)
810 image_text = ns_preffix + ":image." + target_vdu["ns-image-id"]
811 flavor_text = ns_preffix + ":flavor." + target_vdu["ns-flavor-id"]
812 extra_dict = {"depends_on": [image_text, flavor_text]}
813 net_list = []
814
815 for iface_index, interface in enumerate(target_vdu["interfaces"]):
816 if interface.get("ns-vld-id"):
817 net_text = ns_preffix + ":vld." + interface["ns-vld-id"]
818 elif interface.get("vnf-vld-id"):
819 net_text = vnf_preffix + ":vld." + interface["vnf-vld-id"]
820 else:
821 self.logger.error(
822 "Interface {} from vdu {} not connected to any vld".format(
823 iface_index, target_vdu["vdu-name"]
824 )
825 )
826
827 continue # interface not connected to any vld
828
829 extra_dict["depends_on"].append(net_text)
830
831 if "port-security-enabled" in interface:
832 interface["port_security"] = interface.pop(
833 "port-security-enabled"
834 )
835
836 if "port-security-disable-strategy" in interface:
837 interface["port_security_disable_strategy"] = interface.pop(
838 "port-security-disable-strategy"
839 )
840
841 net_item = {
842 x: v
843 for x, v in interface.items()
844 if x
845 in (
846 "name",
847 "vpci",
848 "port_security",
849 "port_security_disable_strategy",
850 "floating_ip",
851 )
852 }
853 net_item["net_id"] = "TASK-" + net_text
854 net_item["type"] = "virtual"
855
856 # TODO mac_address: used for SR-IOV ifaces #TODO for other types
857 # TODO floating_ip: True/False (or it can be None)
858 if interface.get("type") in ("SR-IOV", "PCI-PASSTHROUGH"):
859 # mark the net create task as type data
860 if deep_get(
861 tasks_by_target_record_id, net_text, "params", "net_type"
862 ):
863 tasks_by_target_record_id[net_text]["params"][
864 "net_type"
865 ] = "data"
866
867 net_item["use"] = "data"
868 net_item["model"] = interface["type"]
869 net_item["type"] = interface["type"]
870 elif (
871 interface.get("type") == "OM-MGMT"
872 or interface.get("mgmt-interface")
873 or interface.get("mgmt-vnf")
874 ):
875 net_item["use"] = "mgmt"
876 else:
877 # if interface.get("type") in ("VIRTIO", "E1000", "PARAVIRT"):
878 net_item["use"] = "bridge"
879 net_item["model"] = interface.get("type")
880
881 if interface.get("ip-address"):
882 net_item["ip_address"] = interface["ip-address"]
883
884 if interface.get("mac-address"):
885 net_item["mac_address"] = interface["mac-address"]
886
887 net_list.append(net_item)
888
889 if interface.get("mgmt-vnf"):
890 extra_dict["mgmt_vnf_interface"] = iface_index
891 elif interface.get("mgmt-interface"):
892 extra_dict["mgmt_vdu_interface"] = iface_index
893
894 # cloud config
895 cloud_config = {}
896
897 if target_vdu.get("cloud-init"):
898 if target_vdu["cloud-init"] not in vdu2cloud_init:
899 vdu2cloud_init[target_vdu["cloud-init"]] = self._get_cloud_init(
900 target_vdu["cloud-init"]
901 )
902
903 cloud_content_ = vdu2cloud_init[target_vdu["cloud-init"]]
904 cloud_config["user-data"] = self._parse_jinja2(
905 cloud_content_,
906 target_vdu.get("additionalParams"),
907 target_vdu["cloud-init"],
908 )
909
910 if target_vdu.get("boot-data-drive"):
911 cloud_config["boot-data-drive"] = target_vdu.get("boot-data-drive")
912
913 ssh_keys = []
914
915 if target_vdu.get("ssh-keys"):
916 ssh_keys += target_vdu.get("ssh-keys")
917
918 if target_vdu.get("ssh-access-required"):
919 ssh_keys.append(ro_nsr_public_key)
920
921 if ssh_keys:
922 cloud_config["key-pairs"] = ssh_keys
923
924 disk_list = None
925 if target_vdu.get("virtual-storages"):
926 disk_list = [
927 {"size": disk["size-of-storage"]}
928 for disk in target_vdu["virtual-storages"]
929 if disk.get("type-of-storage")
930 == "persistent-storage:persistent-storage"
931 ]
932
933 affinity_group_list = []
934
935 if target_vdu.get("affinity-or-anti-affinity-group-id"):
936 affinity_group = {}
937 for affinity_group_id in target_vdu[
938 "affinity-or-anti-affinity-group-id"
939 ]:
940 affinity_group_text = (
941 ns_preffix
942 + ":affinity-or-anti-affinity-group."
943 + affinity_group_id
944 )
945
946 extra_dict["depends_on"].append(affinity_group_text)
947 affinity_group["affinity_group_id"] = (
948 "TASK-" + affinity_group_text
949 )
950 affinity_group_list.append(affinity_group)
951
952 extra_dict["params"] = {
953 "name": "{}-{}-{}-{}".format(
954 indata["name"][:16],
955 vnfr["member-vnf-index-ref"][:16],
956 target_vdu["vdu-name"][:32],
957 target_vdu.get("count-index") or 0,
958 ),
959 "description": target_vdu["vdu-name"],
960 "start": True,
961 "image_id": "TASK-" + image_text,
962 "flavor_id": "TASK-" + flavor_text,
963 "affinity_group_list": affinity_group_list,
964 "net_list": net_list,
965 "cloud_config": cloud_config or None,
966 "disk_list": disk_list,
967 "availability_zone_index": None, # TODO
968 "availability_zone_list": None, # TODO
969 }
970
971 return extra_dict
972
973 def _process_items(
974 target_list,
975 existing_list,
976 db_record,
977 db_update,
978 db_path,
979 item,
980 process_params,
981 ):
982 nonlocal db_new_tasks
983 nonlocal tasks_by_target_record_id
984 nonlocal task_index
985
986 # ensure all the target_list elements has an "id". If not assign the index as id
987 for target_index, tl in enumerate(target_list):
988 if tl and not tl.get("id"):
989 tl["id"] = str(target_index)
990
991 # step 1 items (networks,vdus,...) to be deleted/updated
992 for item_index, existing_item in enumerate(existing_list):
993 target_item = next(
994 (t for t in target_list if t["id"] == existing_item["id"]), None
995 )
996
997 for target_vim, existing_viminfo in existing_item.get(
998 "vim_info", {}
999 ).items():
1000 if existing_viminfo is None:
1001 continue
1002
1003 if target_item:
1004 target_viminfo = target_item.get("vim_info", {}).get(
1005 target_vim
1006 )
1007 else:
1008 target_viminfo = None
1009
1010 if target_viminfo is None:
1011 # must be deleted
1012 self._assign_vim(target_vim)
1013 target_record_id = "{}.{}".format(
1014 db_record, existing_item["id"]
1015 )
1016 item_ = item
1017
1018 if target_vim.startswith("sdn"):
1019 # item must be sdn-net instead of net if target_vim is a sdn
1020 item_ = "sdn_net"
1021 target_record_id += ".sdn"
1022
1023 task = _create_task(
1024 target_vim,
1025 item_,
1026 "DELETE",
1027 target_record="{}.{}.vim_info.{}".format(
1028 db_record, item_index, target_vim
1029 ),
1030 target_record_id=target_record_id,
1031 )
1032 tasks_by_target_record_id[target_record_id] = task
1033 db_new_tasks.append(task)
1034 # TODO delete
1035 # TODO check one by one the vims to be created/deleted
1036
1037 # step 2 items (networks,vdus,...) to be created
1038 for target_item in target_list:
1039 item_index = -1
1040
1041 for item_index, existing_item in enumerate(existing_list):
1042 if existing_item["id"] == target_item["id"]:
1043 break
1044 else:
1045 item_index += 1
1046 db_update[db_path + ".{}".format(item_index)] = target_item
1047 existing_list.append(target_item)
1048 existing_item = None
1049
1050 for target_vim, target_viminfo in target_item.get(
1051 "vim_info", {}
1052 ).items():
1053 existing_viminfo = None
1054
1055 if existing_item:
1056 existing_viminfo = existing_item.get("vim_info", {}).get(
1057 target_vim
1058 )
1059
1060 # TODO check if different. Delete and create???
1061 # TODO delete if not exist
1062 if existing_viminfo is not None:
1063 continue
1064
1065 target_record_id = "{}.{}".format(db_record, target_item["id"])
1066 item_ = item
1067
1068 if target_vim.startswith("sdn"):
1069 # item must be sdn-net instead of net if target_vim is a sdn
1070 item_ = "sdn_net"
1071 target_record_id += ".sdn"
1072
1073 extra_dict = process_params(
1074 target_item, target_viminfo, target_record_id
1075 )
1076 self._assign_vim(target_vim)
1077 task = _create_task(
1078 target_vim,
1079 item_,
1080 "CREATE",
1081 target_record="{}.{}.vim_info.{}".format(
1082 db_record, item_index, target_vim
1083 ),
1084 target_record_id=target_record_id,
1085 extra_dict=extra_dict,
1086 )
1087 tasks_by_target_record_id[target_record_id] = task
1088 db_new_tasks.append(task)
1089
1090 if target_item.get("common_id"):
1091 task["common_id"] = target_item["common_id"]
1092
1093 db_update[db_path + ".{}".format(item_index)] = target_item
1094
1095 def _process_action(indata):
1096 nonlocal db_new_tasks
1097 nonlocal task_index
1098 nonlocal db_vnfrs
1099 nonlocal db_ro_nsr
1100
1101 if indata["action"]["action"] == "inject_ssh_key":
1102 key = indata["action"].get("key")
1103 user = indata["action"].get("user")
1104 password = indata["action"].get("password")
1105
1106 for vnf in indata.get("vnf", ()):
1107 if vnf["_id"] not in db_vnfrs:
1108 raise NsException("Invalid vnf={}".format(vnf["_id"]))
1109
1110 db_vnfr = db_vnfrs[vnf["_id"]]
1111
1112 for target_vdu in vnf.get("vdur", ()):
1113 vdu_index, vdur = next(
1114 (
1115 i_v
1116 for i_v in enumerate(db_vnfr["vdur"])
1117 if i_v[1]["id"] == target_vdu["id"]
1118 ),
1119 (None, None),
1120 )
1121
1122 if not vdur:
1123 raise NsException(
1124 "Invalid vdu vnf={}.{}".format(
1125 vnf["_id"], target_vdu["id"]
1126 )
1127 )
1128
1129 target_vim, vim_info = next(
1130 k_v for k_v in vdur["vim_info"].items()
1131 )
1132 self._assign_vim(target_vim)
1133 target_record = "vnfrs:{}:vdur.{}.ssh_keys".format(
1134 vnf["_id"], vdu_index
1135 )
1136 extra_dict = {
1137 "depends_on": [
1138 "vnfrs:{}:vdur.{}".format(vnf["_id"], vdur["id"])
1139 ],
1140 "params": {
1141 "ip_address": vdur.get("ip-address"),
1142 "user": user,
1143 "key": key,
1144 "password": password,
1145 "private_key": db_ro_nsr["private_key"],
1146 "salt": db_ro_nsr["_id"],
1147 "schema_version": db_ro_nsr["_admin"][
1148 "schema_version"
1149 ],
1150 },
1151 }
1152 task = _create_task(
1153 target_vim,
1154 "vdu",
1155 "EXEC",
1156 target_record=target_record,
1157 target_record_id=None,
1158 extra_dict=extra_dict,
1159 )
1160 db_new_tasks.append(task)
1161
1162 with self.write_lock:
1163 if indata.get("action"):
1164 _process_action(indata)
1165 else:
1166 # compute network differences
1167 # NS.vld
1168 step = "process NS VLDs"
1169 _process_items(
1170 target_list=indata["ns"]["vld"] or [],
1171 existing_list=db_nsr.get("vld") or [],
1172 db_record="nsrs:{}:vld".format(nsr_id),
1173 db_update=db_nsr_update,
1174 db_path="vld",
1175 item="net",
1176 process_params=_process_net_params,
1177 )
1178
1179 step = "process NS images"
1180 _process_items(
1181 target_list=indata.get("image") or [],
1182 existing_list=db_nsr.get("image") or [],
1183 db_record="nsrs:{}:image".format(nsr_id),
1184 db_update=db_nsr_update,
1185 db_path="image",
1186 item="image",
1187 process_params=_process_image_params,
1188 )
1189
1190 step = "process NS flavors"
1191 _process_items(
1192 target_list=indata.get("flavor") or [],
1193 existing_list=db_nsr.get("flavor") or [],
1194 db_record="nsrs:{}:flavor".format(nsr_id),
1195 db_update=db_nsr_update,
1196 db_path="flavor",
1197 item="flavor",
1198 process_params=_process_flavor_params,
1199 )
1200
1201 step = "process NS Affinity Groups"
1202 _process_items(
1203 target_list=indata.get("affinity-or-anti-affinity-group") or [],
1204 existing_list=db_nsr.get("affinity-or-anti-affinity-group")
1205 or [],
1206 db_record="nsrs:{}:affinity-or-anti-affinity-group".format(
1207 nsr_id
1208 ),
1209 db_update=db_nsr_update,
1210 db_path="affinity-or-anti-affinity-group",
1211 item="affinity-or-anti-affinity-group",
1212 process_params=_process_affinity_group_params,
1213 )
1214
1215 # VNF.vld
1216 for vnfr_id, vnfr in db_vnfrs.items():
1217 # vnfr_id need to be set as global variable for among others nested method _process_vdu_params
1218 step = "process VNF={} VLDs".format(vnfr_id)
1219 target_vnf = next(
1220 (
1221 vnf
1222 for vnf in indata.get("vnf", ())
1223 if vnf["_id"] == vnfr_id
1224 ),
1225 None,
1226 )
1227 target_list = target_vnf.get("vld") if target_vnf else None
1228 _process_items(
1229 target_list=target_list or [],
1230 existing_list=vnfr.get("vld") or [],
1231 db_record="vnfrs:{}:vld".format(vnfr_id),
1232 db_update=db_vnfrs_update[vnfr["_id"]],
1233 db_path="vld",
1234 item="net",
1235 process_params=_process_net_params,
1236 )
1237
1238 target_list = target_vnf.get("vdur") if target_vnf else None
1239 step = "process VNF={} VDUs".format(vnfr_id)
1240 _process_items(
1241 target_list=target_list or [],
1242 existing_list=vnfr.get("vdur") or [],
1243 db_record="vnfrs:{}:vdur".format(vnfr_id),
1244 db_update=db_vnfrs_update[vnfr["_id"]],
1245 db_path="vdur",
1246 item="vdu",
1247 process_params=_process_vdu_params,
1248 )
1249
1250 for db_task in db_new_tasks:
1251 step = "Updating database, Appending tasks to ro_tasks"
1252 target_id = db_task.pop("target_id")
1253 common_id = db_task.get("common_id")
1254
1255 if common_id:
1256 if self.db.set_one(
1257 "ro_tasks",
1258 q_filter={
1259 "target_id": target_id,
1260 "tasks.common_id": common_id,
1261 },
1262 update_dict={"to_check_at": now, "modified_at": now},
1263 push={"tasks": db_task},
1264 fail_on_empty=False,
1265 ):
1266 continue
1267
1268 if not self.db.set_one(
1269 "ro_tasks",
1270 q_filter={
1271 "target_id": target_id,
1272 "tasks.target_record": db_task["target_record"],
1273 },
1274 update_dict={"to_check_at": now, "modified_at": now},
1275 push={"tasks": db_task},
1276 fail_on_empty=False,
1277 ):
1278 # Create a ro_task
1279 step = "Updating database, Creating ro_tasks"
1280 db_ro_task = _create_ro_task(target_id, db_task)
1281 nb_ro_tasks += 1
1282 self.db.create("ro_tasks", db_ro_task)
1283
1284 step = "Updating database, nsrs"
1285 if db_nsr_update:
1286 self.db.set_one("nsrs", {"_id": nsr_id}, db_nsr_update)
1287
1288 for vnfr_id, db_vnfr_update in db_vnfrs_update.items():
1289 if db_vnfr_update:
1290 step = "Updating database, vnfrs={}".format(vnfr_id)
1291 self.db.set_one("vnfrs", {"_id": vnfr_id}, db_vnfr_update)
1292
1293 self.logger.debug(
1294 logging_text
1295 + "Exit. Created {} ro_tasks; {} tasks".format(
1296 nb_ro_tasks, len(db_new_tasks)
1297 )
1298 )
1299
1300 return (
1301 {"status": "ok", "nsr_id": nsr_id, "action_id": action_id},
1302 action_id,
1303 True,
1304 )
1305 except Exception as e:
1306 if isinstance(e, (DbException, NsException)):
1307 self.logger.error(
1308 logging_text + "Exit Exception while '{}': {}".format(step, e)
1309 )
1310 else:
1311 e = traceback_format_exc()
1312 self.logger.critical(
1313 logging_text + "Exit Exception while '{}': {}".format(step, e),
1314 exc_info=True,
1315 )
1316
1317 raise NsException(e)
1318
1319 def delete(self, session, indata, version, nsr_id, *args, **kwargs):
1320 self.logger.debug("ns.delete version={} nsr_id={}".format(version, nsr_id))
1321 # self.db.del_list({"_id": ro_task["_id"], "tasks.nsr_id.ne": nsr_id})
1322
1323 with self.write_lock:
1324 try:
1325 NsWorker.delete_db_tasks(self.db, nsr_id, None)
1326 except NsWorkerException as e:
1327 raise NsException(e)
1328
1329 return None, None, True
1330
1331 def status(self, session, indata, version, nsr_id, action_id, *args, **kwargs):
1332 # self.logger.debug("ns.status version={} nsr_id={}, action_id={} indata={}"
1333 # .format(version, nsr_id, action_id, indata))
1334 task_list = []
1335 done = 0
1336 total = 0
1337 ro_tasks = self.db.get_list("ro_tasks", {"tasks.action_id": action_id})
1338 global_status = "DONE"
1339 details = []
1340
1341 for ro_task in ro_tasks:
1342 for task in ro_task["tasks"]:
1343 if task and task["action_id"] == action_id:
1344 task_list.append(task)
1345 total += 1
1346
1347 if task["status"] == "FAILED":
1348 global_status = "FAILED"
1349 error_text = "Error at {} {}: {}".format(
1350 task["action"].lower(),
1351 task["item"],
1352 ro_task["vim_info"].get("vim_details") or "unknown",
1353 )
1354 details.append(error_text)
1355 elif task["status"] in ("SCHEDULED", "BUILD"):
1356 if global_status != "FAILED":
1357 global_status = "BUILD"
1358 else:
1359 done += 1
1360
1361 return_data = {
1362 "status": global_status,
1363 "details": ". ".join(details)
1364 if details
1365 else "progress {}/{}".format(done, total),
1366 "nsr_id": nsr_id,
1367 "action_id": action_id,
1368 "tasks": task_list,
1369 }
1370
1371 return return_data, None, True
1372
1373 def cancel(self, session, indata, version, nsr_id, action_id, *args, **kwargs):
1374 print(
1375 "ns.cancel session={} indata={} version={} nsr_id={}, action_id={}".format(
1376 session, indata, version, nsr_id, action_id
1377 )
1378 )
1379
1380 return None, None, True
1381
1382 def get_deploy(self, session, indata, version, nsr_id, action_id, *args, **kwargs):
1383 nsrs = self.db.get_list("nsrs", {})
1384 return_data = []
1385
1386 for ns in nsrs:
1387 return_data.append({"_id": ns["_id"], "name": ns["name"]})
1388
1389 return return_data, None, True
1390
1391 def get_actions(self, session, indata, version, nsr_id, action_id, *args, **kwargs):
1392 ro_tasks = self.db.get_list("ro_tasks", {"tasks.nsr_id": nsr_id})
1393 return_data = []
1394
1395 for ro_task in ro_tasks:
1396 for task in ro_task["tasks"]:
1397 if task["action_id"] not in return_data:
1398 return_data.append(task["action_id"])
1399
1400 return return_data, None, True