1 # -*- coding: utf-8 -*-
4 # Copyright 2020 Telefonica Investigacion y Desarrollo, S.A.U.
6 # Licensed under the Apache License, Version 2.0 (the "License"); you may
7 # not use this file except in compliance with the License. You may obtain
8 # a copy of the License at
10 # http://www.apache.org/licenses/LICENSE-2.0
12 # Unless required by applicable law or agreed to in writing, software
13 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
14 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
15 # License for the specific language governing permissions and limitations
21 This is thread that interacts with a VIM. It processes TASKs sequentially against a single VIM.
22 The tasks are stored at database in table ro_tasks
23 A single ro_task refers to a VIM element (flavor, image, network, ...).
24 A ro_task can contain several 'tasks', each one with a target, where to store the results
27 from copy
import deepcopy
28 from http
import HTTPStatus
32 from shutil
import rmtree
36 from unittest
.mock
import Mock
38 from importlib_metadata
import entry_points
39 from osm_common
.dbbase
import DbException
40 from osm_ng_ro
.vim_admin
import LockRenew
41 from osm_ro_plugin
import sdnconn
, vimconn
42 from osm_ro_plugin
.sdn_dummy
import SdnDummyConnector
43 from osm_ro_plugin
.vim_dummy
import VimDummyConnector
46 __author__
= "Alfonso Tierno"
47 __date__
= "$28-Sep-2017 12:07:15$"
50 def deep_get(target_dict
, *args
, **kwargs
):
52 Get a value from target_dict entering in the nested keys. If keys does not exist, it returns None
53 Example target_dict={a: {b: 5}}; key_list=[a,b] returns 5; both key_list=[a,b,c] and key_list=[f,h] return None
54 :param target_dict: dictionary to be read
55 :param args: list of keys to read from target_dict
56 :param kwargs: only can contain default=value to return if key is not present in the nested dictionary
57 :return: The wanted value if exist, None or default otherwise
60 if not isinstance(target_dict
, dict) or key
not in target_dict
:
61 return kwargs
.get("default")
62 target_dict
= target_dict
[key
]
66 class NsWorkerException(Exception):
70 class FailingConnector
:
71 def __init__(self
, error_msg
):
72 self
.error_msg
= error_msg
74 for method
in dir(vimconn
.VimConnector
):
77 self
, method
, Mock(side_effect
=vimconn
.VimConnException(error_msg
))
80 for method
in dir(sdnconn
.SdnConnectorBase
):
83 self
, method
, Mock(side_effect
=sdnconn
.SdnConnectorError(error_msg
))
87 class NsWorkerExceptionNotFound(NsWorkerException
):
91 class VimInteractionBase
:
92 """Base class to call VIM/SDN for creating, deleting and refresh networks, VMs, flavors, ...
93 It implements methods that does nothing and return ok"""
95 def __init__(self
, db
, my_vims
, db_vims
, logger
):
98 self
.my_vims
= my_vims
99 self
.db_vims
= db_vims
101 def new(self
, ro_task
, task_index
, task_depends
):
104 def refresh(self
, ro_task
):
105 """skip calling VIM to get image, flavor status. Assumes ok"""
106 if ro_task
["vim_info"]["vim_status"] == "VIM_ERROR":
111 def delete(self
, ro_task
, task_index
):
112 """skip calling VIM to delete image. Assumes ok"""
115 def exec(self
, ro_task
, task_index
, task_depends
):
116 return "DONE", None, None
119 class VimInteractionNet(VimInteractionBase
):
120 def new(self
, ro_task
, task_index
, task_depends
):
122 task
= ro_task
["tasks"][task_index
]
123 task_id
= task
["task_id"]
126 target_vim
= self
.my_vims
[ro_task
["target_id"]]
128 mgmtnet_defined_in_vim
= False
132 if task
.get("find_params"):
133 # if management, get configuration of VIM
134 if task
["find_params"].get("filter_dict"):
135 vim_filter
= task
["find_params"]["filter_dict"]
137 elif task
["find_params"].get("mgmt"):
140 self
.db_vims
[ro_task
["target_id"]],
142 "management_network_id",
144 mgmtnet_defined_in_vim
= True
146 "id": self
.db_vims
[ro_task
["target_id"]]["config"][
147 "management_network_id"
151 self
.db_vims
[ro_task
["target_id"]],
153 "management_network_name",
155 mgmtnet_defined_in_vim
= True
157 "name": self
.db_vims
[ro_task
["target_id"]]["config"][
158 "management_network_name"
162 vim_filter
= {"name": task
["find_params"]["name"]}
164 raise NsWorkerExceptionNotFound(
165 "Invalid find_params for new_net {}".format(task
["find_params"])
168 vim_nets
= target_vim
.get_network_list(vim_filter
)
169 if not vim_nets
and not task
.get("params"):
170 # If there is mgmt-network in the descriptor,
171 # there is no mapping of that network to a VIM network in the descriptor,
172 # also there is no mapping in the "--config" parameter or at VIM creation;
173 # that mgmt-network will be created.
174 if mgmtnet
and not mgmtnet_defined_in_vim
:
176 vim_filter
.get("name")
177 if vim_filter
.get("name")
178 else vim_filter
.get("id")[:16]
180 vim_net_id
, created_items
= target_vim
.new_network(
184 "Created mgmt network vim_net_id: {}".format(vim_net_id
)
188 raise NsWorkerExceptionNotFound(
189 "Network not found with this criteria: '{}'".format(
190 task
.get("find_params")
193 elif len(vim_nets
) > 1:
194 raise NsWorkerException(
195 "More than one network found with this criteria: '{}'".format(
201 vim_net_id
= vim_nets
[0]["id"]
204 params
= task
["params"]
205 vim_net_id
, created_items
= target_vim
.new_network(**params
)
208 ro_vim_item_update
= {
209 "vim_id": vim_net_id
,
210 "vim_status": "BUILD",
212 "created_items": created_items
,
217 "task={} {} new-net={} created={}".format(
218 task_id
, ro_task
["target_id"], vim_net_id
, created
222 return "BUILD", ro_vim_item_update
223 except (vimconn
.VimConnException
, NsWorkerException
) as e
:
225 "task={} vim={} new-net: {}".format(task_id
, ro_task
["target_id"], e
)
227 ro_vim_item_update
= {
228 "vim_status": "VIM_ERROR",
230 "vim_message": str(e
),
233 return "FAILED", ro_vim_item_update
235 def refresh(self
, ro_task
):
236 """Call VIM to get network status"""
237 ro_task_id
= ro_task
["_id"]
238 target_vim
= self
.my_vims
[ro_task
["target_id"]]
239 vim_id
= ro_task
["vim_info"]["vim_id"]
240 net_to_refresh_list
= [vim_id
]
243 vim_dict
= target_vim
.refresh_nets_status(net_to_refresh_list
)
244 vim_info
= vim_dict
[vim_id
]
246 if vim_info
["status"] == "ACTIVE":
248 elif vim_info
["status"] == "BUILD":
249 task_status
= "BUILD"
251 task_status
= "FAILED"
252 except vimconn
.VimConnException
as e
:
253 # Mark all tasks at VIM_ERROR status
255 "ro_task={} vim={} get-net={}: {}".format(
256 ro_task_id
, ro_task
["target_id"], vim_id
, e
259 vim_info
= {"status": "VIM_ERROR", "error_msg": str(e
)}
260 task_status
= "FAILED"
262 ro_vim_item_update
= {}
263 if ro_task
["vim_info"]["vim_status"] != vim_info
["status"]:
264 ro_vim_item_update
["vim_status"] = vim_info
["status"]
266 if ro_task
["vim_info"]["vim_name"] != vim_info
.get("name"):
267 ro_vim_item_update
["vim_name"] = vim_info
.get("name")
269 if vim_info
["status"] in ("ERROR", "VIM_ERROR"):
270 if ro_task
["vim_info"]["vim_message"] != vim_info
.get("error_msg"):
271 ro_vim_item_update
["vim_message"] = vim_info
.get("error_msg")
272 elif vim_info
["status"] == "DELETED":
273 ro_vim_item_update
["vim_id"] = None
274 ro_vim_item_update
["vim_message"] = "Deleted externally"
276 if ro_task
["vim_info"]["vim_details"] != vim_info
["vim_info"]:
277 ro_vim_item_update
["vim_details"] = vim_info
["vim_info"]
279 if ro_vim_item_update
:
281 "ro_task={} {} get-net={}: status={} {}".format(
283 ro_task
["target_id"],
285 ro_vim_item_update
.get("vim_status"),
286 ro_vim_item_update
.get("vim_message")
287 if ro_vim_item_update
.get("vim_status") != "ACTIVE"
292 return task_status
, ro_vim_item_update
294 def delete(self
, ro_task
, task_index
):
295 task
= ro_task
["tasks"][task_index
]
296 task_id
= task
["task_id"]
297 net_vim_id
= ro_task
["vim_info"]["vim_id"]
298 ro_vim_item_update_ok
= {
299 "vim_status": "DELETED",
301 "vim_message": "DELETED",
306 if net_vim_id
or ro_task
["vim_info"]["created_items"]:
307 target_vim
= self
.my_vims
[ro_task
["target_id"]]
308 target_vim
.delete_network(
309 net_vim_id
, ro_task
["vim_info"]["created_items"]
311 except vimconn
.VimConnNotFoundException
:
312 ro_vim_item_update_ok
["vim_message"] = "already deleted"
313 except vimconn
.VimConnException
as e
:
315 "ro_task={} vim={} del-net={}: {}".format(
316 ro_task
["_id"], ro_task
["target_id"], net_vim_id
, e
319 ro_vim_item_update
= {
320 "vim_status": "VIM_ERROR",
321 "vim_message": "Error while deleting: {}".format(e
),
324 return "FAILED", ro_vim_item_update
327 "task={} {} del-net={} {}".format(
329 ro_task
["target_id"],
331 ro_vim_item_update_ok
.get("vim_message", ""),
335 return "DONE", ro_vim_item_update_ok
338 class VimInteractionVdu(VimInteractionBase
):
339 max_retries_inject_ssh_key
= 20 # 20 times
340 time_retries_inject_ssh_key
= 30 # wevery 30 seconds
342 def new(self
, ro_task
, task_index
, task_depends
):
343 task
= ro_task
["tasks"][task_index
]
344 task_id
= task
["task_id"]
347 target_vim
= self
.my_vims
[ro_task
["target_id"]]
351 params
= task
["params"]
352 params_copy
= deepcopy(params
)
353 net_list
= params_copy
["net_list"]
356 # change task_id into network_id
357 if "net_id" in net
and net
["net_id"].startswith("TASK-"):
358 network_id
= task_depends
[net
["net_id"]]
361 raise NsWorkerException(
362 "Cannot create VM because depends on a network not created or found "
363 "for {}".format(net
["net_id"])
366 net
["net_id"] = network_id
368 if params_copy
["image_id"].startswith("TASK-"):
369 params_copy
["image_id"] = task_depends
[params_copy
["image_id"]]
371 if params_copy
["flavor_id"].startswith("TASK-"):
372 params_copy
["flavor_id"] = task_depends
[params_copy
["flavor_id"]]
374 affinity_group_list
= params_copy
["affinity_group_list"]
375 for affinity_group
in affinity_group_list
:
376 # change task_id into affinity_group_id
377 if "affinity_group_id" in affinity_group
and affinity_group
[
379 ].startswith("TASK-"):
380 affinity_group_id
= task_depends
[
381 affinity_group
["affinity_group_id"]
384 if not affinity_group_id
:
385 raise NsWorkerException(
386 "found for {}".format(affinity_group
["affinity_group_id"])
389 affinity_group
["affinity_group_id"] = affinity_group_id
391 vim_vm_id
, created_items
= target_vim
.new_vminstance(**params_copy
)
392 interfaces
= [iface
["vim_id"] for iface
in params_copy
["net_list"]]
394 ro_vim_item_update
= {
396 "vim_status": "BUILD",
398 "created_items": created_items
,
401 "interfaces_vim_ids": interfaces
,
405 "task={} {} new-vm={} created={}".format(
406 task_id
, ro_task
["target_id"], vim_vm_id
, created
410 return "BUILD", ro_vim_item_update
411 except (vimconn
.VimConnException
, NsWorkerException
) as e
:
413 "task={} {} new-vm: {}".format(task_id
, ro_task
["target_id"], e
)
415 ro_vim_item_update
= {
416 "vim_status": "VIM_ERROR",
418 "vim_message": str(e
),
421 return "FAILED", ro_vim_item_update
423 def delete(self
, ro_task
, task_index
):
424 task
= ro_task
["tasks"][task_index
]
425 task_id
= task
["task_id"]
426 vm_vim_id
= ro_task
["vim_info"]["vim_id"]
427 ro_vim_item_update_ok
= {
428 "vim_status": "DELETED",
430 "vim_message": "DELETED",
436 "delete_vminstance: vm_vim_id={} created_items={}".format(
437 vm_vim_id
, ro_task
["vim_info"]["created_items"]
440 if vm_vim_id
or ro_task
["vim_info"]["created_items"]:
441 target_vim
= self
.my_vims
[ro_task
["target_id"]]
442 target_vim
.delete_vminstance(
444 ro_task
["vim_info"]["created_items"],
445 ro_task
["vim_info"].get("volumes_to_hold", []),
447 except vimconn
.VimConnNotFoundException
:
448 ro_vim_item_update_ok
["vim_message"] = "already deleted"
449 except vimconn
.VimConnException
as e
:
451 "ro_task={} vim={} del-vm={}: {}".format(
452 ro_task
["_id"], ro_task
["target_id"], vm_vim_id
, e
455 ro_vim_item_update
= {
456 "vim_status": "VIM_ERROR",
457 "vim_message": "Error while deleting: {}".format(e
),
460 return "FAILED", ro_vim_item_update
463 "task={} {} del-vm={} {}".format(
465 ro_task
["target_id"],
467 ro_vim_item_update_ok
.get("vim_message", ""),
471 return "DONE", ro_vim_item_update_ok
473 def refresh(self
, ro_task
):
474 """Call VIM to get vm status"""
475 ro_task_id
= ro_task
["_id"]
476 target_vim
= self
.my_vims
[ro_task
["target_id"]]
477 vim_id
= ro_task
["vim_info"]["vim_id"]
482 vm_to_refresh_list
= [vim_id
]
484 vim_dict
= target_vim
.refresh_vms_status(vm_to_refresh_list
)
485 vim_info
= vim_dict
[vim_id
]
487 if vim_info
["status"] == "ACTIVE":
489 elif vim_info
["status"] == "BUILD":
490 task_status
= "BUILD"
492 task_status
= "FAILED"
494 # try to load and parse vim_information
496 vim_info_info
= yaml
.safe_load(vim_info
["vim_info"])
497 if vim_info_info
.get("name"):
498 vim_info
["name"] = vim_info_info
["name"]
501 except vimconn
.VimConnException
as e
:
502 # Mark all tasks at VIM_ERROR status
504 "ro_task={} vim={} get-vm={}: {}".format(
505 ro_task_id
, ro_task
["target_id"], vim_id
, e
508 vim_info
= {"status": "VIM_ERROR", "error_msg": str(e
)}
509 task_status
= "FAILED"
511 ro_vim_item_update
= {}
513 # Interfaces cannot be present if e.g. VM is not present, that is status=DELETED
515 if vim_info
.get("interfaces"):
516 for vim_iface_id
in ro_task
["vim_info"]["interfaces_vim_ids"]:
520 for iface
in vim_info
["interfaces"]
521 if vim_iface_id
== iface
["vim_interface_id"]
526 # iface.pop("vim_info", None)
527 vim_interfaces
.append(iface
)
531 for t
in ro_task
["tasks"]
532 if t
and t
["action"] == "CREATE" and t
["status"] != "FINISHED"
534 if vim_interfaces
and task_create
.get("mgmt_vnf_interface") is not None:
535 vim_interfaces
[task_create
["mgmt_vnf_interface"]][
539 mgmt_vdu_iface
= task_create
.get(
540 "mgmt_vdu_interface", task_create
.get("mgmt_vnf_interface", 0)
543 vim_interfaces
[mgmt_vdu_iface
]["mgmt_vdu_interface"] = True
545 if ro_task
["vim_info"]["interfaces"] != vim_interfaces
:
546 ro_vim_item_update
["interfaces"] = vim_interfaces
548 if ro_task
["vim_info"]["vim_status"] != vim_info
["status"]:
549 ro_vim_item_update
["vim_status"] = vim_info
["status"]
551 if ro_task
["vim_info"]["vim_name"] != vim_info
.get("name"):
552 ro_vim_item_update
["vim_name"] = vim_info
.get("name")
554 if vim_info
["status"] in ("ERROR", "VIM_ERROR"):
555 if ro_task
["vim_info"]["vim_message"] != vim_info
.get("error_msg"):
556 ro_vim_item_update
["vim_message"] = vim_info
.get("error_msg")
557 elif vim_info
["status"] == "DELETED":
558 ro_vim_item_update
["vim_id"] = None
559 ro_vim_item_update
["vim_message"] = "Deleted externally"
561 if ro_task
["vim_info"]["vim_details"] != vim_info
["vim_info"]:
562 ro_vim_item_update
["vim_details"] = vim_info
["vim_info"]
564 if ro_vim_item_update
:
566 "ro_task={} {} get-vm={}: status={} {}".format(
568 ro_task
["target_id"],
570 ro_vim_item_update
.get("vim_status"),
571 ro_vim_item_update
.get("vim_message")
572 if ro_vim_item_update
.get("vim_status") != "ACTIVE"
577 return task_status
, ro_vim_item_update
579 def exec(self
, ro_task
, task_index
, task_depends
):
580 task
= ro_task
["tasks"][task_index
]
581 task_id
= task
["task_id"]
582 target_vim
= self
.my_vims
[ro_task
["target_id"]]
583 db_task_update
= {"retries": 0}
584 retries
= task
.get("retries", 0)
587 params
= task
["params"]
588 params_copy
= deepcopy(params
)
589 params_copy
["ro_key"] = self
.db
.decrypt(
590 params_copy
.pop("private_key"),
591 params_copy
.pop("schema_version"),
592 params_copy
.pop("salt"),
594 params_copy
["ip_addr"] = params_copy
.pop("ip_address")
595 target_vim
.inject_user_key(**params_copy
)
597 "task={} {} action-vm=inject_key".format(task_id
, ro_task
["target_id"])
604 ) # params_copy["key"]
605 except (vimconn
.VimConnException
, NsWorkerException
) as e
:
608 self
.logger
.debug(traceback
.format_exc())
609 if retries
< self
.max_retries_inject_ssh_key
:
615 "next_retry": self
.time_retries_inject_ssh_key
,
620 "task={} {} inject-ssh-key: {}".format(task_id
, ro_task
["target_id"], e
)
622 ro_vim_item_update
= {"vim_message": str(e
)}
624 return "FAILED", ro_vim_item_update
, db_task_update
627 class VimInteractionImage(VimInteractionBase
):
628 def new(self
, ro_task
, task_index
, task_depends
):
629 task
= ro_task
["tasks"][task_index
]
630 task_id
= task
["task_id"]
633 target_vim
= self
.my_vims
[ro_task
["target_id"]]
637 if task
.get("find_params"):
638 vim_images
= target_vim
.get_image_list(**task
["find_params"])
641 raise NsWorkerExceptionNotFound(
642 "Image not found with this criteria: '{}'".format(
646 elif len(vim_images
) > 1:
647 raise NsWorkerException(
648 "More than one image found with this criteria: '{}'".format(
653 vim_image_id
= vim_images
[0]["id"]
655 ro_vim_item_update
= {
656 "vim_id": vim_image_id
,
657 "vim_status": "DONE",
659 "created_items": created_items
,
664 "task={} {} new-image={} created={}".format(
665 task_id
, ro_task
["target_id"], vim_image_id
, created
669 return "DONE", ro_vim_item_update
670 except (NsWorkerException
, vimconn
.VimConnException
) as e
:
672 "task={} {} new-image: {}".format(task_id
, ro_task
["target_id"], e
)
674 ro_vim_item_update
= {
675 "vim_status": "VIM_ERROR",
677 "vim_message": str(e
),
680 return "FAILED", ro_vim_item_update
683 class VimInteractionFlavor(VimInteractionBase
):
684 def delete(self
, ro_task
, task_index
):
685 task
= ro_task
["tasks"][task_index
]
686 task_id
= task
["task_id"]
687 flavor_vim_id
= ro_task
["vim_info"]["vim_id"]
688 ro_vim_item_update_ok
= {
689 "vim_status": "DELETED",
691 "vim_message": "DELETED",
697 target_vim
= self
.my_vims
[ro_task
["target_id"]]
698 target_vim
.delete_flavor(flavor_vim_id
)
699 except vimconn
.VimConnNotFoundException
:
700 ro_vim_item_update_ok
["vim_message"] = "already deleted"
701 except vimconn
.VimConnException
as e
:
703 "ro_task={} vim={} del-flavor={}: {}".format(
704 ro_task
["_id"], ro_task
["target_id"], flavor_vim_id
, e
707 ro_vim_item_update
= {
708 "vim_status": "VIM_ERROR",
709 "vim_message": "Error while deleting: {}".format(e
),
712 return "FAILED", ro_vim_item_update
715 "task={} {} del-flavor={} {}".format(
717 ro_task
["target_id"],
719 ro_vim_item_update_ok
.get("vim_message", ""),
723 return "DONE", ro_vim_item_update_ok
725 def new(self
, ro_task
, task_index
, task_depends
):
726 task
= ro_task
["tasks"][task_index
]
727 task_id
= task
["task_id"]
730 target_vim
= self
.my_vims
[ro_task
["target_id"]]
736 if task
.get("find_params"):
738 flavor_data
= task
["find_params"]["flavor_data"]
739 vim_flavor_id
= target_vim
.get_flavor_id_from_data(flavor_data
)
740 except vimconn
.VimConnNotFoundException
:
743 if not vim_flavor_id
and task
.get("params"):
745 flavor_data
= task
["params"]["flavor_data"]
746 vim_flavor_id
= target_vim
.new_flavor(flavor_data
)
749 ro_vim_item_update
= {
750 "vim_id": vim_flavor_id
,
751 "vim_status": "DONE",
753 "created_items": created_items
,
758 "task={} {} new-flavor={} created={}".format(
759 task_id
, ro_task
["target_id"], vim_flavor_id
, created
763 return "DONE", ro_vim_item_update
764 except (vimconn
.VimConnException
, NsWorkerException
) as e
:
766 "task={} vim={} new-flavor: {}".format(task_id
, ro_task
["target_id"], e
)
768 ro_vim_item_update
= {
769 "vim_status": "VIM_ERROR",
771 "vim_message": str(e
),
774 return "FAILED", ro_vim_item_update
777 class VimInteractionAffinityGroup(VimInteractionBase
):
778 def delete(self
, ro_task
, task_index
):
779 task
= ro_task
["tasks"][task_index
]
780 task_id
= task
["task_id"]
781 affinity_group_vim_id
= ro_task
["vim_info"]["vim_id"]
782 ro_vim_item_update_ok
= {
783 "vim_status": "DELETED",
785 "vim_message": "DELETED",
790 if affinity_group_vim_id
:
791 target_vim
= self
.my_vims
[ro_task
["target_id"]]
792 target_vim
.delete_affinity_group(affinity_group_vim_id
)
793 except vimconn
.VimConnNotFoundException
:
794 ro_vim_item_update_ok
["vim_message"] = "already deleted"
795 except vimconn
.VimConnException
as e
:
797 "ro_task={} vim={} del-affinity-or-anti-affinity-group={}: {}".format(
798 ro_task
["_id"], ro_task
["target_id"], affinity_group_vim_id
, e
801 ro_vim_item_update
= {
802 "vim_status": "VIM_ERROR",
803 "vim_message": "Error while deleting: {}".format(e
),
806 return "FAILED", ro_vim_item_update
809 "task={} {} del-affinity-or-anti-affinity-group={} {}".format(
811 ro_task
["target_id"],
812 affinity_group_vim_id
,
813 ro_vim_item_update_ok
.get("vim_message", ""),
817 return "DONE", ro_vim_item_update_ok
819 def new(self
, ro_task
, task_index
, task_depends
):
820 task
= ro_task
["tasks"][task_index
]
821 task_id
= task
["task_id"]
824 target_vim
= self
.my_vims
[ro_task
["target_id"]]
827 affinity_group_vim_id
= None
828 affinity_group_data
= None
830 if task
.get("params"):
831 affinity_group_data
= task
["params"].get("affinity_group_data")
833 if affinity_group_data
and affinity_group_data
.get("vim-affinity-group-id"):
835 param_affinity_group_id
= task
["params"]["affinity_group_data"].get(
836 "vim-affinity-group-id"
838 affinity_group_vim_id
= target_vim
.get_affinity_group(
839 param_affinity_group_id
841 except vimconn
.VimConnNotFoundException
:
843 "task={} {} new-affinity-or-anti-affinity-group. Provided VIM Affinity Group ID {}"
844 "could not be found at VIM. Creating a new one.".format(
845 task_id
, ro_task
["target_id"], param_affinity_group_id
849 if not affinity_group_vim_id
and affinity_group_data
:
850 affinity_group_vim_id
= target_vim
.new_affinity_group(
855 ro_vim_item_update
= {
856 "vim_id": affinity_group_vim_id
,
857 "vim_status": "DONE",
859 "created_items": created_items
,
864 "task={} {} new-affinity-or-anti-affinity-group={} created={}".format(
865 task_id
, ro_task
["target_id"], affinity_group_vim_id
, created
869 return "DONE", ro_vim_item_update
870 except (vimconn
.VimConnException
, NsWorkerException
) as e
:
872 "task={} vim={} new-affinity-or-anti-affinity-group:"
873 " {}".format(task_id
, ro_task
["target_id"], e
)
875 ro_vim_item_update
= {
876 "vim_status": "VIM_ERROR",
878 "vim_message": str(e
),
881 return "FAILED", ro_vim_item_update
884 class VimInteractionSdnNet(VimInteractionBase
):
886 def _match_pci(port_pci
, mapping
):
888 Check if port_pci matches with mapping
889 mapping can have brackets to indicate that several chars are accepted. e.g
890 pci '0000:af:10.1' matches with '0000:af:1[01].[1357]'
891 :param port_pci: text
892 :param mapping: text, can contain brackets to indicate several chars are available
893 :return: True if matches, False otherwise
895 if not port_pci
or not mapping
:
897 if port_pci
== mapping
:
903 bracket_start
= mapping
.find("[", mapping_index
)
905 if bracket_start
== -1:
908 bracket_end
= mapping
.find("]", bracket_start
)
909 if bracket_end
== -1:
912 length
= bracket_start
- mapping_index
915 and port_pci
[pci_index
: pci_index
+ length
]
916 != mapping
[mapping_index
:bracket_start
]
921 port_pci
[pci_index
+ length
]
922 not in mapping
[bracket_start
+ 1 : bracket_end
]
926 pci_index
+= length
+ 1
927 mapping_index
= bracket_end
+ 1
929 if port_pci
[pci_index
:] != mapping
[mapping_index
:]:
934 def _get_interfaces(self
, vlds_to_connect
, vim_account_id
):
936 :param vlds_to_connect: list with format vnfrs:<id>:vld.<vld_id> or nsrs:<id>:vld.<vld_id>
937 :param vim_account_id:
942 for vld
in vlds_to_connect
:
943 table
, _
, db_id
= vld
.partition(":")
944 db_id
, _
, vld
= db_id
.partition(":")
945 _
, _
, vld_id
= vld
.partition(".")
948 q_filter
= {"vim-account-id": vim_account_id
, "_id": db_id
}
949 iface_key
= "vnf-vld-id"
950 else: # table == "nsrs"
951 q_filter
= {"vim-account-id": vim_account_id
, "nsr-id-ref": db_id
}
952 iface_key
= "ns-vld-id"
954 db_vnfrs
= self
.db
.get_list("vnfrs", q_filter
=q_filter
)
956 for db_vnfr
in db_vnfrs
:
957 for vdu_index
, vdur
in enumerate(db_vnfr
.get("vdur", ())):
958 for iface_index
, interface
in enumerate(vdur
["interfaces"]):
959 if interface
.get(iface_key
) == vld_id
and interface
.get(
961 ) in ("SR-IOV", "PCI-PASSTHROUGH"):
963 interface_
= interface
.copy()
964 interface_
["id"] = "vnfrs:{}:vdu.{}.interfaces.{}".format(
965 db_vnfr
["_id"], vdu_index
, iface_index
968 if vdur
.get("status") == "ERROR":
969 interface_
["status"] = "ERROR"
971 interfaces
.append(interface_
)
975 def refresh(self
, ro_task
):
976 # look for task create
977 task_create_index
, _
= next(
979 for i_t
in enumerate(ro_task
["tasks"])
981 and i_t
[1]["action"] == "CREATE"
982 and i_t
[1]["status"] != "FINISHED"
985 return self
.new(ro_task
, task_create_index
, None)
987 def new(self
, ro_task
, task_index
, task_depends
):
989 task
= ro_task
["tasks"][task_index
]
990 task_id
= task
["task_id"]
991 target_vim
= self
.my_vims
[ro_task
["target_id"]]
993 sdn_net_id
= ro_task
["vim_info"]["vim_id"]
995 created_items
= ro_task
["vim_info"].get("created_items")
996 connected_ports
= ro_task
["vim_info"].get("connected_ports", [])
997 new_connected_ports
= []
998 last_update
= ro_task
["vim_info"].get("last_update", 0)
999 sdn_status
= ro_task
["vim_info"].get("vim_status", "BUILD") or "BUILD"
1001 created
= ro_task
["vim_info"].get("created", False)
1005 params
= task
["params"]
1006 vlds_to_connect
= params
["vlds"]
1007 associated_vim
= params
["target_vim"]
1008 # external additional ports
1009 additional_ports
= params
.get("sdn-ports") or ()
1010 _
, _
, vim_account_id
= associated_vim
.partition(":")
1013 # get associated VIM
1014 if associated_vim
not in self
.db_vims
:
1015 self
.db_vims
[associated_vim
] = self
.db
.get_one(
1016 "vim_accounts", {"_id": vim_account_id
}
1019 db_vim
= self
.db_vims
[associated_vim
]
1021 # look for ports to connect
1022 ports
= self
._get
_interfaces
(vlds_to_connect
, vim_account_id
)
1026 pending_ports
= error_ports
= 0
1028 sdn_need_update
= False
1031 vlan_used
= port
.get("vlan") or vlan_used
1033 # TODO. Do not connect if already done
1034 if not port
.get("compute_node") or not port
.get("pci"):
1035 if port
.get("status") == "ERROR":
1042 compute_node_mappings
= next(
1045 for c
in db_vim
["config"].get("sdn-port-mapping", ())
1046 if c
and c
["compute_node"] == port
["compute_node"]
1051 if compute_node_mappings
:
1052 # process port_mapping pci of type 0000:af:1[01].[1357]
1056 for p
in compute_node_mappings
["ports"]
1057 if self
._match
_pci
(port
["pci"], p
.get("pci"))
1063 if not db_vim
["config"].get("mapping_not_needed"):
1065 "Port mapping not found for compute_node={} pci={}".format(
1066 port
["compute_node"], port
["pci"]
1073 service_endpoint_id
= "{}:{}".format(port
["compute_node"], port
["pci"])
1075 "service_endpoint_id": pmap
.get("service_endpoint_id")
1076 or service_endpoint_id
,
1077 "service_endpoint_encapsulation_type": "dot1q"
1078 if port
["type"] == "SR-IOV"
1080 "service_endpoint_encapsulation_info": {
1081 "vlan": port
.get("vlan"),
1082 "mac": port
.get("mac-address"),
1083 "device_id": pmap
.get("device_id") or port
["compute_node"],
1084 "device_interface_id": pmap
.get("device_interface_id")
1086 "switch_dpid": pmap
.get("switch_id") or pmap
.get("switch_dpid"),
1087 "switch_port": pmap
.get("switch_port"),
1088 "service_mapping_info": pmap
.get("service_mapping_info"),
1093 # if port["modified_at"] > last_update:
1094 # sdn_need_update = True
1095 new_connected_ports
.append(port
["id"]) # TODO
1096 sdn_ports
.append(new_port
)
1100 "{} interfaces have not been created as VDU is on ERROR status".format(
1105 # connect external ports
1106 for index
, additional_port
in enumerate(additional_ports
):
1107 additional_port_id
= additional_port
.get(
1108 "service_endpoint_id"
1109 ) or "external-{}".format(index
)
1112 "service_endpoint_id": additional_port_id
,
1113 "service_endpoint_encapsulation_type": additional_port
.get(
1114 "service_endpoint_encapsulation_type", "dot1q"
1116 "service_endpoint_encapsulation_info": {
1117 "vlan": additional_port
.get("vlan") or vlan_used
,
1118 "mac": additional_port
.get("mac_address"),
1119 "device_id": additional_port
.get("device_id"),
1120 "device_interface_id": additional_port
.get(
1121 "device_interface_id"
1123 "switch_dpid": additional_port
.get("switch_dpid")
1124 or additional_port
.get("switch_id"),
1125 "switch_port": additional_port
.get("switch_port"),
1126 "service_mapping_info": additional_port
.get(
1127 "service_mapping_info"
1132 new_connected_ports
.append(additional_port_id
)
1135 # if there are more ports to connect or they have been modified, call create/update
1137 sdn_status
= "ERROR"
1138 sdn_info
= "; ".join(error_list
)
1139 elif set(connected_ports
) != set(new_connected_ports
) or sdn_need_update
:
1140 last_update
= time
.time()
1143 if len(sdn_ports
) < 2:
1144 sdn_status
= "ACTIVE"
1146 if not pending_ports
:
1148 "task={} {} new-sdn-net done, less than 2 ports".format(
1149 task_id
, ro_task
["target_id"]
1153 net_type
= params
.get("type") or "ELAN"
1157 ) = target_vim
.create_connectivity_service(net_type
, sdn_ports
)
1160 "task={} {} new-sdn-net={} created={}".format(
1161 task_id
, ro_task
["target_id"], sdn_net_id
, created
1165 created_items
= target_vim
.edit_connectivity_service(
1166 sdn_net_id
, conn_info
=created_items
, connection_points
=sdn_ports
1170 "task={} {} update-sdn-net={} created={}".format(
1171 task_id
, ro_task
["target_id"], sdn_net_id
, created
1175 connected_ports
= new_connected_ports
1177 wim_status_dict
= target_vim
.get_connectivity_service_status(
1178 sdn_net_id
, conn_info
=created_items
1180 sdn_status
= wim_status_dict
["sdn_status"]
1182 if wim_status_dict
.get("sdn_info"):
1183 sdn_info
= str(wim_status_dict
.get("sdn_info")) or ""
1185 if wim_status_dict
.get("error_msg"):
1186 sdn_info
= wim_status_dict
.get("error_msg") or ""
1189 if sdn_status
!= "ERROR":
1190 sdn_info
= "Waiting for getting interfaces location from VIM. Obtained '{}' of {}".format(
1191 len(ports
) - pending_ports
, len(ports
)
1194 if sdn_status
== "ACTIVE":
1195 sdn_status
= "BUILD"
1197 ro_vim_item_update
= {
1198 "vim_id": sdn_net_id
,
1199 "vim_status": sdn_status
,
1201 "created_items": created_items
,
1202 "connected_ports": connected_ports
,
1203 "vim_details": sdn_info
,
1204 "vim_message": None,
1205 "last_update": last_update
,
1208 return sdn_status
, ro_vim_item_update
1209 except Exception as e
:
1211 "task={} vim={} new-net: {}".format(task_id
, ro_task
["target_id"], e
),
1212 exc_info
=not isinstance(
1213 e
, (sdnconn
.SdnConnectorError
, vimconn
.VimConnException
)
1216 ro_vim_item_update
= {
1217 "vim_status": "VIM_ERROR",
1219 "vim_message": str(e
),
1222 return "FAILED", ro_vim_item_update
1224 def delete(self
, ro_task
, task_index
):
1225 task
= ro_task
["tasks"][task_index
]
1226 task_id
= task
["task_id"]
1227 sdn_vim_id
= ro_task
["vim_info"].get("vim_id")
1228 ro_vim_item_update_ok
= {
1229 "vim_status": "DELETED",
1231 "vim_message": "DELETED",
1237 target_vim
= self
.my_vims
[ro_task
["target_id"]]
1238 target_vim
.delete_connectivity_service(
1239 sdn_vim_id
, ro_task
["vim_info"].get("created_items")
1242 except Exception as e
:
1244 isinstance(e
, sdnconn
.SdnConnectorError
)
1245 and e
.http_code
== HTTPStatus
.NOT_FOUND
.value
1247 ro_vim_item_update_ok
["vim_message"] = "already deleted"
1250 "ro_task={} vim={} del-sdn-net={}: {}".format(
1251 ro_task
["_id"], ro_task
["target_id"], sdn_vim_id
, e
1253 exc_info
=not isinstance(
1254 e
, (sdnconn
.SdnConnectorError
, vimconn
.VimConnException
)
1257 ro_vim_item_update
= {
1258 "vim_status": "VIM_ERROR",
1259 "vim_message": "Error while deleting: {}".format(e
),
1262 return "FAILED", ro_vim_item_update
1265 "task={} {} del-sdn-net={} {}".format(
1267 ro_task
["target_id"],
1269 ro_vim_item_update_ok
.get("vim_message", ""),
1273 return "DONE", ro_vim_item_update_ok
1276 class NsWorker(threading
.Thread
):
1277 REFRESH_BUILD
= 5 # 5 seconds
1278 REFRESH_ACTIVE
= 60 # 1 minute
1280 REFRESH_IMAGE
= 3600 * 10
1281 REFRESH_DELETE
= 3600 * 10
1285 def __init__(self
, worker_index
, config
, plugins
, db
):
1288 :param worker_index: thread index
1289 :param config: general configuration of RO, among others the process_id with the docker id where it runs
1290 :param plugins: global shared dict with the loaded plugins
1291 :param db: database class instance to use
1293 threading
.Thread
.__init
__(self
)
1294 self
.config
= config
1295 self
.plugins
= plugins
1296 self
.plugin_name
= "unknown"
1297 self
.logger
= logging
.getLogger("ro.worker{}".format(worker_index
))
1298 self
.worker_index
= worker_index
1299 self
.task_queue
= queue
.Queue(self
.QUEUE_SIZE
)
1300 # targetvim: vimplugin class
1302 # targetvim: vim information from database
1305 self
.vim_targets
= []
1306 self
.my_id
= config
["process_id"] + ":" + str(worker_index
)
1309 "net": VimInteractionNet(self
.db
, self
.my_vims
, self
.db_vims
, self
.logger
),
1310 "vdu": VimInteractionVdu(self
.db
, self
.my_vims
, self
.db_vims
, self
.logger
),
1311 "image": VimInteractionImage(
1312 self
.db
, self
.my_vims
, self
.db_vims
, self
.logger
1314 "flavor": VimInteractionFlavor(
1315 self
.db
, self
.my_vims
, self
.db_vims
, self
.logger
1317 "sdn_net": VimInteractionSdnNet(
1318 self
.db
, self
.my_vims
, self
.db_vims
, self
.logger
1320 "affinity-or-anti-affinity-group": VimInteractionAffinityGroup(
1321 self
.db
, self
.my_vims
, self
.db_vims
, self
.logger
1324 self
.time_last_task_processed
= None
1325 # lists of tasks to delete because nsrs or vnfrs has been deleted from db
1326 self
.tasks_to_delete
= []
1327 # it is idle when there are not vim_targets associated
1329 self
.task_locked_time
= config
["global"]["task_locked_time"]
1331 def insert_task(self
, task
):
1333 self
.task_queue
.put(task
, False)
1336 raise NsWorkerException("timeout inserting a task")
1338 def terminate(self
):
1339 self
.insert_task("exit")
1341 def del_task(self
, task
):
1342 with self
.task_lock
:
1343 if task
["status"] == "SCHEDULED":
1344 task
["status"] = "SUPERSEDED"
1346 else: # task["status"] == "processing"
1347 self
.task_lock
.release()
1350 def _process_vim_config(self
, target_id
, db_vim
):
1352 Process vim config, creating vim configuration files as ca_cert
1353 :param target_id: vim/sdn/wim + id
1354 :param db_vim: Vim dictionary obtained from database
1355 :return: None. Modifies vim. Creates a folder target_id:worker_index and several files
1357 if not db_vim
.get("config"):
1363 if db_vim
["config"].get("ca_cert_content"):
1364 file_name
= "{}:{}".format(target_id
, self
.worker_index
)
1368 except FileExistsError
:
1371 file_name
= file_name
+ "/ca_cert"
1373 with
open(file_name
, "w") as f
:
1374 f
.write(db_vim
["config"]["ca_cert_content"])
1375 del db_vim
["config"]["ca_cert_content"]
1376 db_vim
["config"]["ca_cert"] = file_name
1377 except Exception as e
:
1378 raise NsWorkerException(
1379 "Error writing to file '{}': {}".format(file_name
, e
)
1382 def _load_plugin(self
, name
, type="vim"):
1383 # type can be vim or sdn
1384 if "rovim_dummy" not in self
.plugins
:
1385 self
.plugins
["rovim_dummy"] = VimDummyConnector
1387 if "rosdn_dummy" not in self
.plugins
:
1388 self
.plugins
["rosdn_dummy"] = SdnDummyConnector
1390 if name
in self
.plugins
:
1391 return self
.plugins
[name
]
1394 for ep
in entry_points(group
="osm_ro{}.plugins".format(type), name
=name
):
1395 self
.plugins
[name
] = ep
.load()
1396 except Exception as e
:
1397 raise NsWorkerException("Cannot load plugin osm_{}: {}".format(name
, e
))
1399 if name
and name
not in self
.plugins
:
1400 raise NsWorkerException(
1401 "Plugin 'osm_{n}' has not been installed".format(n
=name
)
1404 return self
.plugins
[name
]
1406 def _unload_vim(self
, target_id
):
1408 Unload a vim_account. Removes it from self db_vims dictionary, my_vims dictionary and vim_targets list
1409 :param target_id: Contains type:_id; where type can be 'vim', ...
1413 self
.db_vims
.pop(target_id
, None)
1414 self
.my_vims
.pop(target_id
, None)
1416 if target_id
in self
.vim_targets
:
1417 self
.vim_targets
.remove(target_id
)
1419 self
.logger
.info("Unloaded {}".format(target_id
))
1420 rmtree("{}:{}".format(target_id
, self
.worker_index
))
1421 except FileNotFoundError
:
1422 pass # this is raised by rmtree if folder does not exist
1423 except Exception as e
:
1424 self
.logger
.error("Cannot unload {}: {}".format(target_id
, e
))
1426 def _check_vim(self
, target_id
):
1428 Load a VIM/SDN/WIM (if not loaded) and check connectivity, updating database with ENABLE or ERROR
1429 :param target_id: Contains type:_id; type can be 'vim', 'sdn' or 'wim'
1432 target
, _
, _id
= target_id
.partition(":")
1438 loaded
= target_id
in self
.vim_targets
1448 step
= "Getting {} from db".format(target_id
)
1449 db_vim
= self
.db
.get_one(target_database
, {"_id": _id
})
1451 for op_index
, operation
in enumerate(
1452 db_vim
["_admin"].get("operations", ())
1454 if operation
["operationState"] != "PROCESSING":
1457 locked_at
= operation
.get("locked_at")
1459 if locked_at
is not None and locked_at
>= now
- self
.task_locked_time
:
1460 # some other thread is doing this operation
1464 op_text
= "_admin.operations.{}.".format(op_index
)
1466 if not self
.db
.set_one(
1470 op_text
+ "operationState": "PROCESSING",
1471 op_text
+ "locked_at": locked_at
,
1474 op_text
+ "locked_at": now
,
1475 "admin.current_operation": op_index
,
1477 fail_on_empty
=False,
1481 unset_dict
[op_text
+ "locked_at"] = None
1482 unset_dict
["current_operation"] = None
1483 step
= "Loading " + target_id
1484 error_text
= self
._load
_vim
(target_id
)
1487 step
= "Checking connectivity"
1490 self
.my_vims
[target_id
].check_vim_connectivity()
1492 self
.my_vims
[target_id
].check_credentials()
1494 update_dict
["_admin.operationalState"] = "ENABLED"
1495 update_dict
["_admin.detailed-status"] = ""
1496 unset_dict
[op_text
+ "detailed-status"] = None
1497 update_dict
[op_text
+ "operationState"] = "COMPLETED"
1501 except Exception as e
:
1502 error_text
= "{}: {}".format(step
, e
)
1503 self
.logger
.error("{} for {}: {}".format(step
, target_id
, e
))
1506 if update_dict
or unset_dict
:
1508 update_dict
[op_text
+ "operationState"] = "FAILED"
1509 update_dict
[op_text
+ "detailed-status"] = error_text
1510 unset_dict
.pop(op_text
+ "detailed-status", None)
1511 update_dict
["_admin.operationalState"] = "ERROR"
1512 update_dict
["_admin.detailed-status"] = error_text
1515 update_dict
[op_text
+ "statusEnteredTime"] = now
1519 q_filter
={"_id": _id
},
1520 update_dict
=update_dict
,
1522 fail_on_empty
=False,
1526 self
._unload
_vim
(target_id
)
1528 def _reload_vim(self
, target_id
):
1529 if target_id
in self
.vim_targets
:
1530 self
._load
_vim
(target_id
)
1532 # if the vim is not loaded, but database information of VIM is cached at self.db_vims,
1533 # just remove it to force load again next time it is needed
1534 self
.db_vims
.pop(target_id
, None)
1536 def _load_vim(self
, target_id
):
1538 Load or reload a vim_account, sdn_controller or wim_account.
1539 Read content from database, load the plugin if not loaded.
1540 In case of error loading the plugin, it load a failing VIM_connector
1541 It fills self db_vims dictionary, my_vims dictionary and vim_targets list
1542 :param target_id: Contains type:_id; where type can be 'vim', ...
1543 :return: None if ok, descriptive text if error
1545 target
, _
, _id
= target_id
.partition(":")
1557 step
= "Getting {}={} from db".format(target
, _id
)
1558 # TODO process for wim, sdnc, ...
1559 vim
= self
.db
.get_one(target_database
, {"_id": _id
})
1561 # if deep_get(vim, "config", "sdn-controller"):
1562 # step = "Getting sdn-controller-id='{}' from db".format(vim["config"]["sdn-controller"])
1563 # db_sdn = self.db.get_one("sdns", {"_id": vim["config"]["sdn-controller"]})
1565 step
= "Decrypting password"
1566 schema_version
= vim
.get("schema_version")
1567 self
.db
.encrypt_decrypt_fields(
1570 fields
=("password", "secret"),
1571 schema_version
=schema_version
,
1574 self
._process
_vim
_config
(target_id
, vim
)
1577 plugin_name
= "rovim_" + vim
["vim_type"]
1578 step
= "Loading plugin '{}'".format(plugin_name
)
1579 vim_module_conn
= self
._load
_plugin
(plugin_name
)
1580 step
= "Loading {}'".format(target_id
)
1581 self
.my_vims
[target_id
] = vim_module_conn(
1584 tenant_id
=vim
.get("vim_tenant_id"),
1585 tenant_name
=vim
.get("vim_tenant_name"),
1588 user
=vim
["vim_user"],
1589 passwd
=vim
["vim_password"],
1590 config
=vim
.get("config") or {},
1594 plugin_name
= "rosdn_" + vim
["type"]
1595 step
= "Loading plugin '{}'".format(plugin_name
)
1596 vim_module_conn
= self
._load
_plugin
(plugin_name
, "sdn")
1597 step
= "Loading {}'".format(target_id
)
1599 wim_config
= wim
.pop("config", {}) or {}
1600 wim
["uuid"] = wim
["_id"]
1601 wim
["wim_url"] = wim
["url"]
1604 wim_config
["dpid"] = wim
.pop("dpid")
1606 if wim
.get("switch_id"):
1607 wim_config
["switch_id"] = wim
.pop("switch_id")
1609 # wim, wim_account, config
1610 self
.my_vims
[target_id
] = vim_module_conn(wim
, wim
, wim_config
)
1611 self
.db_vims
[target_id
] = vim
1612 self
.error_status
= None
1615 "Connector loaded for {}, plugin={}".format(target_id
, plugin_name
)
1617 except Exception as e
:
1619 "Cannot load {} plugin={}: {} {}".format(
1620 target_id
, plugin_name
, step
, e
1624 self
.db_vims
[target_id
] = vim
or {}
1625 self
.db_vims
[target_id
] = FailingConnector(str(e
))
1626 error_status
= "{} Error: {}".format(step
, e
)
1630 if target_id
not in self
.vim_targets
:
1631 self
.vim_targets
.append(target_id
)
1633 def _get_db_task(self
):
1635 Read actions from database and reload them at memory. Fill self.refresh_list, pending_list, vim_actions
1640 if not self
.time_last_task_processed
:
1641 self
.time_last_task_processed
= now
1646 # Log RO tasks only when loglevel is DEBUG
1647 if self.logger.getEffectiveLevel() == logging.DEBUG:
1654 + str(self.task_locked_time)
1656 + "time_last_task_processed="
1657 + str(self.time_last_task_processed)
1663 locked
= self
.db
.set_one(
1666 "target_id": self
.vim_targets
,
1667 "tasks.status": ["SCHEDULED", "BUILD", "DONE", "FAILED"],
1668 "locked_at.lt": now
- self
.task_locked_time
,
1669 "to_check_at.lt": self
.time_last_task_processed
,
1671 update_dict
={"locked_by": self
.my_id
, "locked_at": now
},
1672 fail_on_empty
=False,
1677 ro_task
= self
.db
.get_one(
1680 "target_id": self
.vim_targets
,
1681 "tasks.status": ["SCHEDULED", "BUILD", "DONE", "FAILED"],
1687 if self
.time_last_task_processed
== now
:
1688 self
.time_last_task_processed
= None
1691 self
.time_last_task_processed
= now
1692 # self.time_last_task_processed = min(self.time_last_task_processed + 1000, now)
1694 except DbException
as e
:
1695 self
.logger
.error("Database exception at _get_db_task: {}".format(e
))
1696 except Exception as e
:
1697 self
.logger
.critical(
1698 "Unexpected exception at _get_db_task: {}".format(e
), exc_info
=True
1703 def _get_db_all_tasks(self
):
1705 Read all content of table ro_tasks to log it
1709 # Checking the content of the BD:
1712 ro_task
= self
.db
.get_list("ro_tasks")
1714 self
._log
_ro
_task
(rt
, None, None, "TASK_WF", "GET_ALL_TASKS")
1717 except DbException
as e
:
1718 self
.logger
.error("Database exception at _get_db_all_tasks: {}".format(e
))
1719 except Exception as e
:
1720 self
.logger
.critical(
1721 "Unexpected exception at _get_db_all_tasks: {}".format(e
), exc_info
=True
1726 def _log_ro_task(self
, ro_task
, db_ro_task_update
, db_ro_task_delete
, mark
, event
):
1728 Generate a log with the following format:
1730 Mark;Event;ro_task_id;locked_at;modified_at;created_at;to_check_at;locked_by;
1731 target_id;vim_info.refresh_at;vim_info;no_of_tasks;task_status;action_id;
1732 task_array_index;task_id;task_action;task_item;task_args
1736 TASK_WF;GET_TASK;888f1864-749a-4fc2-bc1a-97c0fffd6a6f:2;1642158724.8210013;
1737 1642158640.7986135;1642158640.7986135;1642158640.7986135;b134c9494e75:0a
1738 ;vim:b7ff9e24-8868-4d68-8a57-a59dc11d0327;None;{'created': False,
1739 'created_items': None, 'vim_id': None, 'vim_name': None, 'vim_status': None,
1740 'vim_details': None, 'vim_message': None, 'refresh_at': None};1;SCHEDULED;
1741 888f1864-749a-4fc2-bc1a-97c0fffd6a6f;0;888f1864-749a-4fc2-bc1a-97c0fffd6a6f:2;
1742 CREATE;image;{'filter_dict': {'name': 'ubuntu-os-cloud:image-family:ubuntu-1804-lts'}}
1747 if ro_task
is not None and isinstance(ro_task
, dict):
1748 for t
in ro_task
["tasks"]:
1752 line
.append(ro_task
.get("_id", ""))
1753 line
.append(str(ro_task
.get("locked_at", "")))
1754 line
.append(str(ro_task
.get("modified_at", "")))
1755 line
.append(str(ro_task
.get("created_at", "")))
1756 line
.append(str(ro_task
.get("to_check_at", "")))
1757 line
.append(str(ro_task
.get("locked_by", "")))
1758 line
.append(str(ro_task
.get("target_id", "")))
1759 line
.append(str(ro_task
.get("vim_info", {}).get("refresh_at", "")))
1760 line
.append(str(ro_task
.get("vim_info", "")))
1761 line
.append(str(ro_task
.get("tasks", "")))
1762 if isinstance(t
, dict):
1763 line
.append(str(t
.get("status", "")))
1764 line
.append(str(t
.get("action_id", "")))
1766 line
.append(str(t
.get("task_id", "")))
1767 line
.append(str(t
.get("action", "")))
1768 line
.append(str(t
.get("item", "")))
1769 line
.append(str(t
.get("find_params", "")))
1770 line
.append(str(t
.get("params", "")))
1772 line
.extend([""] * 2)
1774 line
.extend([""] * 5)
1777 self
.logger
.debug(";".join(line
))
1778 elif db_ro_task_update
is not None and isinstance(db_ro_task_update
, dict):
1781 st
= "tasks.{}.status".format(i
)
1782 if st
not in db_ro_task_update
:
1787 line
.append(db_ro_task_update
.get("_id", ""))
1788 line
.append(str(db_ro_task_update
.get("locked_at", "")))
1789 line
.append(str(db_ro_task_update
.get("modified_at", "")))
1791 line
.append(str(db_ro_task_update
.get("to_check_at", "")))
1792 line
.append(str(db_ro_task_update
.get("locked_by", "")))
1794 line
.append(str(db_ro_task_update
.get("vim_info.refresh_at", "")))
1796 line
.append(str(db_ro_task_update
.get("vim_info", "")))
1797 line
.append(str(str(db_ro_task_update
).count(".status")))
1798 line
.append(db_ro_task_update
.get(st
, ""))
1801 line
.extend([""] * 3)
1803 self
.logger
.debug(";".join(line
))
1805 elif db_ro_task_delete
is not None and isinstance(db_ro_task_delete
, dict):
1809 line
.append(db_ro_task_delete
.get("_id", ""))
1811 line
.append(db_ro_task_delete
.get("modified_at", ""))
1812 line
.extend([""] * 13)
1813 self
.logger
.debug(";".join(line
))
1819 line
.extend([""] * 16)
1820 self
.logger
.debug(";".join(line
))
1822 except Exception as e
:
1823 self
.logger
.error("Error logging ro_task: {}".format(e
))
1825 def _delete_task(self
, ro_task
, task_index
, task_depends
, db_update
):
1827 Determine if this task need to be done or superseded
1830 my_task
= ro_task
["tasks"][task_index
]
1831 task_id
= my_task
["task_id"]
1832 needed_delete
= ro_task
["vim_info"]["created"] or ro_task
["vim_info"].get(
1833 "created_items", False
1836 self
.logger
.warning("Needed delete: {}".format(needed_delete
))
1837 if my_task
["status"] == "FAILED":
1838 return None, None # TODO need to be retry??
1841 for index
, task
in enumerate(ro_task
["tasks"]):
1842 if index
== task_index
or not task
:
1846 my_task
["target_record"] == task
["target_record"]
1847 and task
["action"] == "CREATE"
1850 db_update
["tasks.{}.status".format(index
)] = task
[
1853 elif task
["action"] == "CREATE" and task
["status"] not in (
1857 needed_delete
= False
1860 self
.logger
.warning(
1861 "Deleting ro_task={} task_index={}".format(ro_task
, task_index
)
1863 return self
.item2class
[my_task
["item"]].delete(ro_task
, task_index
)
1865 return "SUPERSEDED", None
1866 except Exception as e
:
1867 if not isinstance(e
, NsWorkerException
):
1868 self
.logger
.critical(
1869 "Unexpected exception at _delete_task task={}: {}".format(
1875 return "FAILED", {"vim_status": "VIM_ERROR", "vim_message": str(e
)}
1877 def _create_task(self
, ro_task
, task_index
, task_depends
, db_update
):
1879 Determine if this task need to create something at VIM
1882 my_task
= ro_task
["tasks"][task_index
]
1883 task_id
= my_task
["task_id"]
1886 if my_task
["status"] == "FAILED":
1887 return None, None # TODO need to be retry??
1888 elif my_task
["status"] == "SCHEDULED":
1889 # check if already created by another task
1890 for index
, task
in enumerate(ro_task
["tasks"]):
1891 if index
== task_index
or not task
:
1894 if task
["action"] == "CREATE" and task
["status"] not in (
1899 return task
["status"], "COPY_VIM_INFO"
1902 task_status
, ro_vim_item_update
= self
.item2class
[my_task
["item"]].new(
1903 ro_task
, task_index
, task_depends
1905 # TODO update other CREATE tasks
1906 except Exception as e
:
1907 if not isinstance(e
, NsWorkerException
):
1909 "Error executing task={}: {}".format(task_id
, e
), exc_info
=True
1912 task_status
= "FAILED"
1913 ro_vim_item_update
= {"vim_status": "VIM_ERROR", "vim_message": str(e
)}
1914 # TODO update ro_vim_item_update
1916 return task_status
, ro_vim_item_update
1920 def _get_dependency(self
, task_id
, ro_task
=None, target_id
=None):
1922 Look for dependency task
1923 :param task_id: Can be one of
1924 1. target_vim+blank+task.target_record_id: "(vim|sdn|wim):<id> (vnfrs|nsrs):(vld|vdu|flavor|image).<id>"
1925 2. task.target_record_id: "(vnfrs|nsrs):(vld|vdu|flavor|image).<id>"
1926 3. task.task_id: "<action_id>:number"
1929 :return: database ro_task plus index of task
1932 task_id
.startswith("vim:")
1933 or task_id
.startswith("sdn:")
1934 or task_id
.startswith("wim:")
1936 target_id
, _
, task_id
= task_id
.partition(" ")
1938 if task_id
.startswith("nsrs:") or task_id
.startswith("vnfrs:"):
1939 ro_task_dependency
= self
.db
.get_one(
1941 q_filter
={"target_id": target_id
, "tasks.target_record_id": task_id
},
1942 fail_on_empty
=False,
1945 if ro_task_dependency
:
1946 for task_index
, task
in enumerate(ro_task_dependency
["tasks"]):
1947 if task
["target_record_id"] == task_id
:
1948 return ro_task_dependency
, task_index
1952 for task_index
, task
in enumerate(ro_task
["tasks"]):
1953 if task
and task
["task_id"] == task_id
:
1954 return ro_task
, task_index
1956 ro_task_dependency
= self
.db
.get_one(
1959 "tasks.ANYINDEX.task_id": task_id
,
1960 "tasks.ANYINDEX.target_record.ne": None,
1962 fail_on_empty
=False,
1965 self
.logger
.warning("ro_task_dependency={}".format(ro_task_dependency
))
1966 if ro_task_dependency
:
1967 for task_index
, task
in enumerate(ro_task_dependency
["tasks"]):
1968 if task
["task_id"] == task_id
:
1969 return ro_task_dependency
, task_index
1970 raise NsWorkerException("Cannot get depending task {}".format(task_id
))
1972 def _process_pending_tasks(self
, ro_task
):
1973 ro_task_id
= ro_task
["_id"]
1976 next_check_at
= now
+ (24 * 60 * 60)
1977 db_ro_task_update
= {}
1979 def _update_refresh(new_status
):
1980 # compute next_refresh
1982 nonlocal next_check_at
1983 nonlocal db_ro_task_update
1986 next_refresh
= time
.time()
1988 if task
["item"] in ("image", "flavor"):
1989 next_refresh
+= self
.REFRESH_IMAGE
1990 elif new_status
== "BUILD":
1991 next_refresh
+= self
.REFRESH_BUILD
1992 elif new_status
== "DONE":
1993 next_refresh
+= self
.REFRESH_ACTIVE
1995 next_refresh
+= self
.REFRESH_ERROR
1997 next_check_at
= min(next_check_at
, next_refresh
)
1998 db_ro_task_update
["vim_info.refresh_at"] = next_refresh
1999 ro_task
["vim_info"]["refresh_at"] = next_refresh
2003 # Log RO tasks only when loglevel is DEBUG
2004 if self.logger.getEffectiveLevel() == logging.DEBUG:
2005 self._log_ro_task(ro_task, None, None, "TASK_WF", "GET_TASK")
2007 # 0: get task_status_create
2009 task_status_create
= None
2013 for t
in ro_task
["tasks"]
2015 and t
["action"] == "CREATE"
2016 and t
["status"] in ("BUILD", "DONE")
2022 task_status_create
= task_create
["status"]
2024 # 1: look for tasks in status SCHEDULED, or in status CREATE if action is DONE or BUILD
2025 for task_action
in ("DELETE", "CREATE", "EXEC"):
2026 db_vim_update
= None
2029 for task_index
, task
in enumerate(ro_task
["tasks"]):
2031 continue # task deleted
2034 target_update
= None
2038 task_action
in ("DELETE", "EXEC")
2039 and task
["status"] not in ("SCHEDULED", "BUILD")
2041 or task
["action"] != task_action
2043 task_action
== "CREATE"
2044 and task
["status"] in ("FINISHED", "SUPERSEDED")
2049 task_path
= "tasks.{}.status".format(task_index
)
2051 db_vim_info_update
= None
2053 if task
["status"] == "SCHEDULED":
2054 # check if tasks that this depends on have been completed
2055 dependency_not_completed
= False
2057 for dependency_task_id
in task
.get("depends_on") or ():
2060 dependency_task_index
,
2061 ) = self
._get
_dependency
(
2062 dependency_task_id
, target_id
=ro_task
["target_id"]
2064 dependency_task
= dependency_ro_task
["tasks"][
2065 dependency_task_index
2067 self
.logger
.warning(
2068 "dependency_ro_task={} dependency_task_index={}".format(
2069 dependency_ro_task
, dependency_task_index
2073 if dependency_task
["status"] == "SCHEDULED":
2074 dependency_not_completed
= True
2075 next_check_at
= min(
2076 next_check_at
, dependency_ro_task
["to_check_at"]
2078 # must allow dependent task to be processed first
2079 # to do this set time after last_task_processed
2080 next_check_at
= max(
2081 self
.time_last_task_processed
, next_check_at
2084 elif dependency_task
["status"] == "FAILED":
2085 error_text
= "Cannot {} {} because depends on failed {} {} id={}): {}".format(
2088 dependency_task
["action"],
2089 dependency_task
["item"],
2091 dependency_ro_task
["vim_info"].get(
2096 "task={} {}".format(task
["task_id"], error_text
)
2098 raise NsWorkerException(error_text
)
2100 task_depends
[dependency_task_id
] = dependency_ro_task
[
2104 "TASK-{}".format(dependency_task_id
)
2105 ] = dependency_ro_task
["vim_info"]["vim_id"]
2107 if dependency_not_completed
:
2108 self
.logger
.warning(
2109 "DEPENDENCY NOT COMPLETED {}".format(
2110 dependency_ro_task
["vim_info"]["vim_id"]
2113 # TODO set at vim_info.vim_details that it is waiting
2116 # before calling VIM-plugin as it can take more than task_locked_time, insert to LockRenew
2117 # the task of renew this locking. It will update database locket_at periodically
2119 lock_object
= LockRenew
.add_lock_object(
2120 "ro_tasks", ro_task
, self
2123 if task
["action"] == "DELETE":
2124 (new_status
, db_vim_info_update
,) = self
._delete
_task
(
2125 ro_task
, task_index
, task_depends
, db_ro_task_update
2128 "FINISHED" if new_status
== "DONE" else new_status
2130 # ^with FINISHED instead of DONE it will not be refreshing
2132 if new_status
in ("FINISHED", "SUPERSEDED"):
2133 target_update
= "DELETE"
2134 elif task
["action"] == "EXEC":
2139 ) = self
.item2class
[task
["item"]].exec(
2140 ro_task
, task_index
, task_depends
2143 "FINISHED" if new_status
== "DONE" else new_status
2145 # ^with FINISHED instead of DONE it will not be refreshing
2148 # load into database the modified db_task_update "retries" and "next_retry"
2149 if db_task_update
.get("retries"):
2151 "tasks.{}.retries".format(task_index
)
2152 ] = db_task_update
["retries"]
2154 next_check_at
= time
.time() + db_task_update
.get(
2157 target_update
= None
2158 elif task
["action"] == "CREATE":
2159 if task
["status"] == "SCHEDULED":
2160 if task_status_create
:
2161 new_status
= task_status_create
2162 target_update
= "COPY_VIM_INFO"
2164 new_status
, db_vim_info_update
= self
.item2class
[
2166 ].new(ro_task
, task_index
, task_depends
)
2167 # self._create_task(ro_task, task_index, task_depends, db_ro_task_update)
2168 _update_refresh(new_status
)
2171 ro_task
["vim_info"]["refresh_at"]
2172 and now
> ro_task
["vim_info"]["refresh_at"]
2174 new_status
, db_vim_info_update
= self
.item2class
[
2177 _update_refresh(new_status
)
2179 # The refresh is updated to avoid set the value of "refresh_at" to
2180 # default value (next_check_at = now + (24 * 60 * 60)) when status is BUILD,
2181 # because it can happen that in this case the task is never processed
2182 _update_refresh(task
["status"])
2184 except Exception as e
:
2185 new_status
= "FAILED"
2186 db_vim_info_update
= {
2187 "vim_status": "VIM_ERROR",
2188 "vim_message": str(e
),
2192 e
, (NsWorkerException
, vimconn
.VimConnException
)
2195 "Unexpected exception at _delete_task task={}: {}".format(
2202 if db_vim_info_update
:
2203 db_vim_update
= db_vim_info_update
.copy()
2204 db_ro_task_update
.update(
2207 for k
, v
in db_vim_info_update
.items()
2210 ro_task
["vim_info"].update(db_vim_info_update
)
2213 if task_action
== "CREATE":
2214 task_status_create
= new_status
2215 db_ro_task_update
[task_path
] = new_status
2217 if target_update
or db_vim_update
:
2218 if target_update
== "DELETE":
2219 self
._update
_target
(task
, None)
2220 elif target_update
== "COPY_VIM_INFO":
2221 self
._update
_target
(task
, ro_task
["vim_info"])
2223 self
._update
_target
(task
, db_vim_update
)
2225 except Exception as e
:
2227 isinstance(e
, DbException
)
2228 and e
.http_code
== HTTPStatus
.NOT_FOUND
2230 # if the vnfrs or nsrs has been removed from database, this task must be removed
2232 "marking to delete task={}".format(task
["task_id"])
2234 self
.tasks_to_delete
.append(task
)
2237 "Unexpected exception at _update_target task={}: {}".format(
2243 locked_at
= ro_task
["locked_at"]
2247 lock_object
["locked_at"],
2248 lock_object
["locked_at"] + self
.task_locked_time
,
2250 # locked_at contains two times to avoid race condition. In case the lock has been renew, it will
2251 # contain exactly locked_at + self.task_locked_time
2252 LockRenew
.remove_lock_object(lock_object
)
2255 "_id": ro_task
["_id"],
2256 "to_check_at": ro_task
["to_check_at"],
2257 "locked_at": locked_at
,
2259 # modify own task. Try filtering by to_next_check. For race condition if to_check_at has been modified,
2260 # outside this task (by ro_nbi) do not update it
2261 db_ro_task_update
["locked_by"] = None
2262 # locked_at converted to int only for debugging. When has not decimals it means it has been unlocked
2263 db_ro_task_update
["locked_at"] = int(now
- self
.task_locked_time
)
2264 db_ro_task_update
["modified_at"] = now
2265 db_ro_task_update
["to_check_at"] = next_check_at
2268 # Log RO tasks only when loglevel is DEBUG
2269 if self.logger.getEffectiveLevel() == logging.DEBUG:
2270 db_ro_task_update_log = db_ro_task_update.copy()
2271 db_ro_task_update_log["_id"] = q_filter["_id"]
2272 self._log_ro_task(None, db_ro_task_update_log, None, "TASK_WF", "SET_TASK")
2275 if not self
.db
.set_one(
2277 update_dict
=db_ro_task_update
,
2279 fail_on_empty
=False,
2281 del db_ro_task_update
["to_check_at"]
2282 del q_filter
["to_check_at"]
2284 # Log RO tasks only when loglevel is DEBUG
2285 if self.logger.getEffectiveLevel() == logging.DEBUG:
2288 db_ro_task_update_log,
2291 "SET_TASK " + str(q_filter),
2297 update_dict
=db_ro_task_update
,
2300 except DbException
as e
:
2302 "ro_task={} Error updating database {}".format(ro_task_id
, e
)
2304 except Exception as e
:
2306 "Error executing ro_task={}: {}".format(ro_task_id
, e
), exc_info
=True
2309 def _update_target(self
, task
, ro_vim_item_update
):
2310 table
, _
, temp
= task
["target_record"].partition(":")
2311 _id
, _
, path_vim_status
= temp
.partition(":")
2312 path_item
= path_vim_status
[: path_vim_status
.rfind(".")]
2313 path_item
= path_item
[: path_item
.rfind(".")]
2314 # path_vim_status: dot separated list targeting vim information, e.g. "vdur.10.vim_info.vim:id"
2315 # path_item: dot separated list targeting record information, e.g. "vdur.10"
2317 if ro_vim_item_update
:
2319 path_vim_status
+ "." + k
: v
2320 for k
, v
in ro_vim_item_update
.items()
2332 if path_vim_status
.startswith("vdur."):
2333 # for backward compatibility, add vdur.name apart from vdur.vim_name
2334 if ro_vim_item_update
.get("vim_name"):
2335 update_dict
[path_item
+ ".name"] = ro_vim_item_update
["vim_name"]
2337 # for backward compatibility, add vdur.vim-id apart from vdur.vim_id
2338 if ro_vim_item_update
.get("vim_id"):
2339 update_dict
[path_item
+ ".vim-id"] = ro_vim_item_update
["vim_id"]
2341 # update general status
2342 if ro_vim_item_update
.get("vim_status"):
2343 update_dict
[path_item
+ ".status"] = ro_vim_item_update
[
2347 if ro_vim_item_update
.get("interfaces"):
2348 path_interfaces
= path_item
+ ".interfaces"
2350 for i
, iface
in enumerate(ro_vim_item_update
.get("interfaces")):
2354 path_interfaces
+ ".{}.".format(i
) + k
: v
2355 for k
, v
in iface
.items()
2356 if k
in ("vlan", "compute_node", "pci")
2360 # put ip_address and mac_address with ip-address and mac-address
2361 if iface
.get("ip_address"):
2363 path_interfaces
+ ".{}.".format(i
) + "ip-address"
2364 ] = iface
["ip_address"]
2366 if iface
.get("mac_address"):
2368 path_interfaces
+ ".{}.".format(i
) + "mac-address"
2369 ] = iface
["mac_address"]
2371 if iface
.get("mgmt_vnf_interface") and iface
.get("ip_address"):
2372 update_dict
["ip-address"] = iface
.get("ip_address").split(
2376 if iface
.get("mgmt_vdu_interface") and iface
.get("ip_address"):
2377 update_dict
[path_item
+ ".ip-address"] = iface
.get(
2381 self
.db
.set_one(table
, q_filter
={"_id": _id
}, update_dict
=update_dict
)
2383 update_dict
= {path_item
+ ".status": "DELETED"}
2386 q_filter
={"_id": _id
},
2387 update_dict
=update_dict
,
2388 unset
={path_vim_status
: None},
2391 def _process_delete_db_tasks(self
):
2393 Delete task from database because vnfrs or nsrs or both have been deleted
2394 :return: None. Uses and modify self.tasks_to_delete
2396 while self
.tasks_to_delete
:
2397 task
= self
.tasks_to_delete
[0]
2398 vnfrs_deleted
= None
2399 nsr_id
= task
["nsr_id"]
2401 if task
["target_record"].startswith("vnfrs:"):
2402 # check if nsrs is present
2403 if self
.db
.get_one("nsrs", {"_id": nsr_id
}, fail_on_empty
=False):
2404 vnfrs_deleted
= task
["target_record"].split(":")[1]
2407 self
.delete_db_tasks(self
.db
, nsr_id
, vnfrs_deleted
)
2408 except Exception as e
:
2410 "Error deleting task={}: {}".format(task
["task_id"], e
)
2412 self
.tasks_to_delete
.pop(0)
2415 def delete_db_tasks(db
, nsr_id
, vnfrs_deleted
):
2417 Static method because it is called from osm_ng_ro.ns
2418 :param db: instance of database to use
2419 :param nsr_id: affected nsrs id
2420 :param vnfrs_deleted: only tasks with this vnfr id. If None, all affected by nsr_id
2421 :return: None, exception is fails
2424 for retry
in range(retries
):
2425 ro_tasks
= db
.get_list("ro_tasks", {"tasks.nsr_id": nsr_id
})
2429 for ro_task
in ro_tasks
:
2431 to_delete_ro_task
= True
2433 for index
, task
in enumerate(ro_task
["tasks"]):
2436 elif (not vnfrs_deleted
and task
["nsr_id"] == nsr_id
) or (
2438 and task
["target_record"].startswith("vnfrs:" + vnfrs_deleted
)
2440 db_update
["tasks.{}".format(index
)] = None
2442 # used by other nsr, ro_task cannot be deleted
2443 to_delete_ro_task
= False
2445 # delete or update if nobody has changed ro_task meanwhile. Used modified_at for known if changed
2446 if to_delete_ro_task
:
2450 "_id": ro_task
["_id"],
2451 "modified_at": ro_task
["modified_at"],
2453 fail_on_empty
=False,
2457 db_update
["modified_at"] = now
2461 "_id": ro_task
["_id"],
2462 "modified_at": ro_task
["modified_at"],
2464 update_dict
=db_update
,
2465 fail_on_empty
=False,
2471 raise NsWorkerException("Exceeded {} retries".format(retries
))
2475 self
.logger
.info("Starting")
2477 # step 1: get commands from queue
2479 if self
.vim_targets
:
2480 task
= self
.task_queue
.get(block
=False)
2483 self
.logger
.debug("enters in idle state")
2485 task
= self
.task_queue
.get(block
=True)
2488 if task
[0] == "terminate":
2490 elif task
[0] == "load_vim":
2491 self
.logger
.info("order to load vim {}".format(task
[1]))
2492 self
._load
_vim
(task
[1])
2493 elif task
[0] == "unload_vim":
2494 self
.logger
.info("order to unload vim {}".format(task
[1]))
2495 self
._unload
_vim
(task
[1])
2496 elif task
[0] == "reload_vim":
2497 self
._reload
_vim
(task
[1])
2498 elif task
[0] == "check_vim":
2499 self
.logger
.info("order to check vim {}".format(task
[1]))
2500 self
._check
_vim
(task
[1])
2502 except Exception as e
:
2503 if isinstance(e
, queue
.Empty
):
2506 self
.logger
.critical(
2507 "Error processing task: {}".format(e
), exc_info
=True
2510 # step 2: process pending_tasks, delete not needed tasks
2512 if self
.tasks_to_delete
:
2513 self
._process
_delete
_db
_tasks
()
2516 # Log RO tasks only when loglevel is DEBUG
2517 if self.logger.getEffectiveLevel() == logging.DEBUG:
2518 _ = self._get_db_all_tasks()
2520 ro_task
= self
._get
_db
_task
()
2522 self
.logger
.warning("Task to process: {}".format(ro_task
))
2524 self
._process
_pending
_tasks
(ro_task
)
2528 except Exception as e
:
2529 self
.logger
.critical(
2530 "Unexpected exception at run: " + str(e
), exc_info
=True
2533 self
.logger
.info("Finishing")