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
35 from unittest
.mock
import Mock
37 from importlib_metadata
import entry_points
38 from osm_common
.dbbase
import DbException
39 from osm_ng_ro
.vim_admin
import LockRenew
40 from osm_ro_plugin
import sdnconn
, vimconn
41 from osm_ro_plugin
.sdn_dummy
import SdnDummyConnector
42 from osm_ro_plugin
.vim_dummy
import VimDummyConnector
45 __author__
= "Alfonso Tierno"
46 __date__
= "$28-Sep-2017 12:07:15$"
49 def deep_get(target_dict
, *args
, **kwargs
):
51 Get a value from target_dict entering in the nested keys. If keys does not exist, it returns None
52 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
53 :param target_dict: dictionary to be read
54 :param args: list of keys to read from target_dict
55 :param kwargs: only can contain default=value to return if key is not present in the nested dictionary
56 :return: The wanted value if exist, None or default otherwise
59 if not isinstance(target_dict
, dict) or key
not in target_dict
:
60 return kwargs
.get("default")
61 target_dict
= target_dict
[key
]
65 class NsWorkerException(Exception):
69 class FailingConnector
:
70 def __init__(self
, error_msg
):
71 self
.error_msg
= error_msg
73 for method
in dir(vimconn
.VimConnector
):
76 self
, method
, Mock(side_effect
=vimconn
.VimConnException(error_msg
))
79 for method
in dir(sdnconn
.SdnConnectorBase
):
82 self
, method
, Mock(side_effect
=sdnconn
.SdnConnectorError(error_msg
))
86 class NsWorkerExceptionNotFound(NsWorkerException
):
90 class VimInteractionBase
:
91 """Base class to call VIM/SDN for creating, deleting and refresh networks, VMs, flavors, ...
92 It implements methods that does nothing and return ok"""
94 def __init__(self
, db
, my_vims
, db_vims
, logger
):
97 self
.my_vims
= my_vims
98 self
.db_vims
= db_vims
100 def new(self
, ro_task
, task_index
, task_depends
):
103 def refresh(self
, ro_task
):
104 """skip calling VIM to get image, flavor status. Assumes ok"""
105 if ro_task
["vim_info"]["vim_status"] == "VIM_ERROR":
110 def delete(self
, ro_task
, task_index
):
111 """skip calling VIM to delete image. Assumes ok"""
114 def exec(self
, ro_task
, task_index
, task_depends
):
115 return "DONE", None, None
118 class VimInteractionNet(VimInteractionBase
):
119 def new(self
, ro_task
, task_index
, task_depends
):
121 task
= ro_task
["tasks"][task_index
]
122 task_id
= task
["task_id"]
125 target_vim
= self
.my_vims
[ro_task
["target_id"]]
127 mgmtnet_defined_in_vim
= False
131 if task
.get("find_params"):
132 # if management, get configuration of VIM
133 if task
["find_params"].get("filter_dict"):
134 vim_filter
= task
["find_params"]["filter_dict"]
136 elif task
["find_params"].get("mgmt"):
139 self
.db_vims
[ro_task
["target_id"]],
141 "management_network_id",
143 mgmtnet_defined_in_vim
= True
145 "id": self
.db_vims
[ro_task
["target_id"]]["config"][
146 "management_network_id"
150 self
.db_vims
[ro_task
["target_id"]],
152 "management_network_name",
154 mgmtnet_defined_in_vim
= True
156 "name": self
.db_vims
[ro_task
["target_id"]]["config"][
157 "management_network_name"
161 vim_filter
= {"name": task
["find_params"]["name"]}
163 raise NsWorkerExceptionNotFound(
164 "Invalid find_params for new_net {}".format(task
["find_params"])
167 vim_nets
= target_vim
.get_network_list(vim_filter
)
168 if not vim_nets
and not task
.get("params"):
169 # If there is mgmt-network in the descriptor,
170 # there is no mapping of that network to a VIM network in the descriptor,
171 # also there is no mapping in the "--config" parameter or at VIM creation;
172 # that mgmt-network will be created.
173 if mgmtnet
and not mgmtnet_defined_in_vim
:
175 vim_filter
.get("name")
176 if vim_filter
.get("name")
177 else vim_filter
.get("id")[:16]
179 vim_net_id
, created_items
= target_vim
.new_network(
183 "Created mgmt network vim_net_id: {}".format(vim_net_id
)
187 raise NsWorkerExceptionNotFound(
188 "Network not found with this criteria: '{}'".format(
189 task
.get("find_params")
192 elif len(vim_nets
) > 1:
193 raise NsWorkerException(
194 "More than one network found with this criteria: '{}'".format(
200 vim_net_id
= vim_nets
[0]["id"]
203 params
= task
["params"]
204 vim_net_id
, created_items
= target_vim
.new_network(**params
)
207 ro_vim_item_update
= {
208 "vim_id": vim_net_id
,
209 "vim_status": "BUILD",
211 "created_items": created_items
,
216 "task={} {} new-net={} created={}".format(
217 task_id
, ro_task
["target_id"], vim_net_id
, created
221 return "BUILD", ro_vim_item_update
222 except (vimconn
.VimConnException
, NsWorkerException
) as e
:
224 "task={} vim={} new-net: {}".format(task_id
, ro_task
["target_id"], e
)
226 ro_vim_item_update
= {
227 "vim_status": "VIM_ERROR",
229 "vim_message": str(e
),
232 return "FAILED", ro_vim_item_update
234 def refresh(self
, ro_task
):
235 """Call VIM to get network status"""
236 ro_task_id
= ro_task
["_id"]
237 target_vim
= self
.my_vims
[ro_task
["target_id"]]
238 vim_id
= ro_task
["vim_info"]["vim_id"]
239 net_to_refresh_list
= [vim_id
]
242 vim_dict
= target_vim
.refresh_nets_status(net_to_refresh_list
)
243 vim_info
= vim_dict
[vim_id
]
245 if vim_info
["status"] == "ACTIVE":
247 elif vim_info
["status"] == "BUILD":
248 task_status
= "BUILD"
250 task_status
= "FAILED"
251 except vimconn
.VimConnException
as e
:
252 # Mark all tasks at VIM_ERROR status
254 "ro_task={} vim={} get-net={}: {}".format(
255 ro_task_id
, ro_task
["target_id"], vim_id
, e
258 vim_info
= {"status": "VIM_ERROR", "error_msg": str(e
)}
259 task_status
= "FAILED"
261 ro_vim_item_update
= {}
262 if ro_task
["vim_info"]["vim_status"] != vim_info
["status"]:
263 ro_vim_item_update
["vim_status"] = vim_info
["status"]
265 if ro_task
["vim_info"]["vim_name"] != vim_info
.get("name"):
266 ro_vim_item_update
["vim_name"] = vim_info
.get("name")
268 if vim_info
["status"] in ("ERROR", "VIM_ERROR"):
269 if ro_task
["vim_info"]["vim_message"] != vim_info
.get("error_msg"):
270 ro_vim_item_update
["vim_message"] = vim_info
.get("error_msg")
271 elif vim_info
["status"] == "DELETED":
272 ro_vim_item_update
["vim_id"] = None
273 ro_vim_item_update
["vim_message"] = "Deleted externally"
275 if ro_task
["vim_info"]["vim_details"] != vim_info
["vim_info"]:
276 ro_vim_item_update
["vim_details"] = vim_info
["vim_info"]
278 if ro_vim_item_update
:
280 "ro_task={} {} get-net={}: status={} {}".format(
282 ro_task
["target_id"],
284 ro_vim_item_update
.get("vim_status"),
285 ro_vim_item_update
.get("vim_message")
286 if ro_vim_item_update
.get("vim_status") != "ACTIVE"
291 return task_status
, ro_vim_item_update
293 def delete(self
, ro_task
, task_index
):
294 task
= ro_task
["tasks"][task_index
]
295 task_id
= task
["task_id"]
296 net_vim_id
= ro_task
["vim_info"]["vim_id"]
297 ro_vim_item_update_ok
= {
298 "vim_status": "DELETED",
300 "vim_message": "DELETED",
305 if net_vim_id
or ro_task
["vim_info"]["created_items"]:
306 target_vim
= self
.my_vims
[ro_task
["target_id"]]
307 target_vim
.delete_network(
308 net_vim_id
, ro_task
["vim_info"]["created_items"]
310 except vimconn
.VimConnNotFoundException
:
311 ro_vim_item_update_ok
["vim_message"] = "already deleted"
312 except vimconn
.VimConnException
as e
:
314 "ro_task={} vim={} del-net={}: {}".format(
315 ro_task
["_id"], ro_task
["target_id"], net_vim_id
, e
318 ro_vim_item_update
= {
319 "vim_status": "VIM_ERROR",
320 "vim_message": "Error while deleting: {}".format(e
),
323 return "FAILED", ro_vim_item_update
326 "task={} {} del-net={} {}".format(
328 ro_task
["target_id"],
330 ro_vim_item_update_ok
.get("vim_message", ""),
334 return "DONE", ro_vim_item_update_ok
337 class VimInteractionVdu(VimInteractionBase
):
338 max_retries_inject_ssh_key
= 20 # 20 times
339 time_retries_inject_ssh_key
= 30 # wevery 30 seconds
341 def new(self
, ro_task
, task_index
, task_depends
):
342 task
= ro_task
["tasks"][task_index
]
343 task_id
= task
["task_id"]
346 target_vim
= self
.my_vims
[ro_task
["target_id"]]
350 params
= task
["params"]
351 params_copy
= deepcopy(params
)
352 net_list
= params_copy
["net_list"]
355 # change task_id into network_id
356 if "net_id" in net
and net
["net_id"].startswith("TASK-"):
357 network_id
= task_depends
[net
["net_id"]]
360 raise NsWorkerException(
361 "Cannot create VM because depends on a network not created or found "
362 "for {}".format(net
["net_id"])
365 net
["net_id"] = network_id
367 if params_copy
["image_id"].startswith("TASK-"):
368 params_copy
["image_id"] = task_depends
[params_copy
["image_id"]]
370 if params_copy
["flavor_id"].startswith("TASK-"):
371 params_copy
["flavor_id"] = task_depends
[params_copy
["flavor_id"]]
373 affinity_group_list
= params_copy
["affinity_group_list"]
374 for affinity_group
in affinity_group_list
:
375 # change task_id into affinity_group_id
376 if "affinity_group_id" in affinity_group
and affinity_group
[
378 ].startswith("TASK-"):
379 affinity_group_id
= task_depends
[
380 affinity_group
["affinity_group_id"]
383 if not affinity_group_id
:
384 raise NsWorkerException(
385 "found for {}".format(affinity_group
["affinity_group_id"])
388 affinity_group
["affinity_group_id"] = affinity_group_id
390 vim_vm_id
, created_items
= target_vim
.new_vminstance(**params_copy
)
391 interfaces
= [iface
["vim_id"] for iface
in params_copy
["net_list"]]
393 ro_vim_item_update
= {
395 "vim_status": "BUILD",
397 "created_items": created_items
,
400 "interfaces_vim_ids": interfaces
,
404 "task={} {} new-vm={} created={}".format(
405 task_id
, ro_task
["target_id"], vim_vm_id
, created
409 return "BUILD", ro_vim_item_update
410 except (vimconn
.VimConnException
, NsWorkerException
) as e
:
412 "task={} {} new-vm: {}".format(task_id
, ro_task
["target_id"], e
)
414 ro_vim_item_update
= {
415 "vim_status": "VIM_ERROR",
417 "vim_message": str(e
),
420 return "FAILED", ro_vim_item_update
422 def delete(self
, ro_task
, task_index
):
423 task
= ro_task
["tasks"][task_index
]
424 task_id
= task
["task_id"]
425 vm_vim_id
= ro_task
["vim_info"]["vim_id"]
426 ro_vim_item_update_ok
= {
427 "vim_status": "DELETED",
429 "vim_message": "DELETED",
435 "delete_vminstance: vm_vim_id={} created_items={}".format(
436 vm_vim_id
, ro_task
["vim_info"]["created_items"]
439 if vm_vim_id
or ro_task
["vim_info"]["created_items"]:
440 target_vim
= self
.my_vims
[ro_task
["target_id"]]
441 target_vim
.delete_vminstance(
443 ro_task
["vim_info"]["created_items"],
444 ro_task
["vim_info"].get("volumes_to_hold", []),
446 except vimconn
.VimConnNotFoundException
:
447 ro_vim_item_update_ok
["vim_message"] = "already deleted"
448 except vimconn
.VimConnException
as e
:
450 "ro_task={} vim={} del-vm={}: {}".format(
451 ro_task
["_id"], ro_task
["target_id"], vm_vim_id
, e
454 ro_vim_item_update
= {
455 "vim_status": "VIM_ERROR",
456 "vim_message": "Error while deleting: {}".format(e
),
459 return "FAILED", ro_vim_item_update
462 "task={} {} del-vm={} {}".format(
464 ro_task
["target_id"],
466 ro_vim_item_update_ok
.get("vim_message", ""),
470 return "DONE", ro_vim_item_update_ok
472 def refresh(self
, ro_task
):
473 """Call VIM to get vm status"""
474 ro_task_id
= ro_task
["_id"]
475 target_vim
= self
.my_vims
[ro_task
["target_id"]]
476 vim_id
= ro_task
["vim_info"]["vim_id"]
481 vm_to_refresh_list
= [vim_id
]
483 vim_dict
= target_vim
.refresh_vms_status(vm_to_refresh_list
)
484 vim_info
= vim_dict
[vim_id
]
486 if vim_info
["status"] == "ACTIVE":
488 elif vim_info
["status"] == "BUILD":
489 task_status
= "BUILD"
491 task_status
= "FAILED"
493 # try to load and parse vim_information
495 vim_info_info
= yaml
.safe_load(vim_info
["vim_info"])
496 if vim_info_info
.get("name"):
497 vim_info
["name"] = vim_info_info
["name"]
500 except vimconn
.VimConnException
as e
:
501 # Mark all tasks at VIM_ERROR status
503 "ro_task={} vim={} get-vm={}: {}".format(
504 ro_task_id
, ro_task
["target_id"], vim_id
, e
507 vim_info
= {"status": "VIM_ERROR", "error_msg": str(e
)}
508 task_status
= "FAILED"
510 ro_vim_item_update
= {}
512 # Interfaces cannot be present if e.g. VM is not present, that is status=DELETED
514 if vim_info
.get("interfaces"):
515 for vim_iface_id
in ro_task
["vim_info"]["interfaces_vim_ids"]:
519 for iface
in vim_info
["interfaces"]
520 if vim_iface_id
== iface
["vim_interface_id"]
525 # iface.pop("vim_info", None)
526 vim_interfaces
.append(iface
)
530 for t
in ro_task
["tasks"]
531 if t
and t
["action"] == "CREATE" and t
["status"] != "FINISHED"
533 if vim_interfaces
and task_create
.get("mgmt_vnf_interface") is not None:
534 vim_interfaces
[task_create
["mgmt_vnf_interface"]][
538 mgmt_vdu_iface
= task_create
.get(
539 "mgmt_vdu_interface", task_create
.get("mgmt_vnf_interface", 0)
542 vim_interfaces
[mgmt_vdu_iface
]["mgmt_vdu_interface"] = True
544 if ro_task
["vim_info"]["interfaces"] != vim_interfaces
:
545 ro_vim_item_update
["interfaces"] = vim_interfaces
547 if ro_task
["vim_info"]["vim_status"] != vim_info
["status"]:
548 ro_vim_item_update
["vim_status"] = vim_info
["status"]
550 if ro_task
["vim_info"]["vim_name"] != vim_info
.get("name"):
551 ro_vim_item_update
["vim_name"] = vim_info
.get("name")
553 if vim_info
["status"] in ("ERROR", "VIM_ERROR"):
554 if ro_task
["vim_info"]["vim_message"] != vim_info
.get("error_msg"):
555 ro_vim_item_update
["vim_message"] = vim_info
.get("error_msg")
556 elif vim_info
["status"] == "DELETED":
557 ro_vim_item_update
["vim_id"] = None
558 ro_vim_item_update
["vim_message"] = "Deleted externally"
560 if ro_task
["vim_info"]["vim_details"] != vim_info
["vim_info"]:
561 ro_vim_item_update
["vim_details"] = vim_info
["vim_info"]
563 if ro_vim_item_update
:
565 "ro_task={} {} get-vm={}: status={} {}".format(
567 ro_task
["target_id"],
569 ro_vim_item_update
.get("vim_status"),
570 ro_vim_item_update
.get("vim_message")
571 if ro_vim_item_update
.get("vim_status") != "ACTIVE"
576 return task_status
, ro_vim_item_update
578 def exec(self
, ro_task
, task_index
, task_depends
):
579 task
= ro_task
["tasks"][task_index
]
580 task_id
= task
["task_id"]
581 target_vim
= self
.my_vims
[ro_task
["target_id"]]
582 db_task_update
= {"retries": 0}
583 retries
= task
.get("retries", 0)
586 params
= task
["params"]
587 params_copy
= deepcopy(params
)
588 params_copy
["ro_key"] = self
.db
.decrypt(
589 params_copy
.pop("private_key"),
590 params_copy
.pop("schema_version"),
591 params_copy
.pop("salt"),
593 params_copy
["ip_addr"] = params_copy
.pop("ip_address")
594 target_vim
.inject_user_key(**params_copy
)
596 "task={} {} action-vm=inject_key".format(task_id
, ro_task
["target_id"])
603 ) # params_copy["key"]
604 except (vimconn
.VimConnException
, NsWorkerException
) as e
:
607 if retries
< self
.max_retries_inject_ssh_key
:
613 "next_retry": self
.time_retries_inject_ssh_key
,
618 "task={} {} inject-ssh-key: {}".format(task_id
, ro_task
["target_id"], e
)
620 ro_vim_item_update
= {"vim_message": str(e
)}
622 return "FAILED", ro_vim_item_update
, db_task_update
625 class VimInteractionImage(VimInteractionBase
):
626 def new(self
, ro_task
, task_index
, task_depends
):
627 task
= ro_task
["tasks"][task_index
]
628 task_id
= task
["task_id"]
631 target_vim
= self
.my_vims
[ro_task
["target_id"]]
635 if task
.get("find_params"):
636 vim_images
= target_vim
.get_image_list(**task
["find_params"])
639 raise NsWorkerExceptionNotFound(
640 "Image not found with this criteria: '{}'".format(
644 elif len(vim_images
) > 1:
645 raise NsWorkerException(
646 "More than one image found with this criteria: '{}'".format(
651 vim_image_id
= vim_images
[0]["id"]
653 ro_vim_item_update
= {
654 "vim_id": vim_image_id
,
655 "vim_status": "DONE",
657 "created_items": created_items
,
662 "task={} {} new-image={} created={}".format(
663 task_id
, ro_task
["target_id"], vim_image_id
, created
667 return "DONE", ro_vim_item_update
668 except (NsWorkerException
, vimconn
.VimConnException
) as e
:
670 "task={} {} new-image: {}".format(task_id
, ro_task
["target_id"], e
)
672 ro_vim_item_update
= {
673 "vim_status": "VIM_ERROR",
675 "vim_message": str(e
),
678 return "FAILED", ro_vim_item_update
681 class VimInteractionFlavor(VimInteractionBase
):
682 def delete(self
, ro_task
, task_index
):
683 task
= ro_task
["tasks"][task_index
]
684 task_id
= task
["task_id"]
685 flavor_vim_id
= ro_task
["vim_info"]["vim_id"]
686 ro_vim_item_update_ok
= {
687 "vim_status": "DELETED",
689 "vim_message": "DELETED",
695 target_vim
= self
.my_vims
[ro_task
["target_id"]]
696 target_vim
.delete_flavor(flavor_vim_id
)
697 except vimconn
.VimConnNotFoundException
:
698 ro_vim_item_update_ok
["vim_message"] = "already deleted"
699 except vimconn
.VimConnException
as e
:
701 "ro_task={} vim={} del-flavor={}: {}".format(
702 ro_task
["_id"], ro_task
["target_id"], flavor_vim_id
, e
705 ro_vim_item_update
= {
706 "vim_status": "VIM_ERROR",
707 "vim_message": "Error while deleting: {}".format(e
),
710 return "FAILED", ro_vim_item_update
713 "task={} {} del-flavor={} {}".format(
715 ro_task
["target_id"],
717 ro_vim_item_update_ok
.get("vim_message", ""),
721 return "DONE", ro_vim_item_update_ok
723 def new(self
, ro_task
, task_index
, task_depends
):
724 task
= ro_task
["tasks"][task_index
]
725 task_id
= task
["task_id"]
728 target_vim
= self
.my_vims
[ro_task
["target_id"]]
734 if task
.get("find_params"):
736 flavor_data
= task
["find_params"]["flavor_data"]
737 vim_flavor_id
= target_vim
.get_flavor_id_from_data(flavor_data
)
738 except vimconn
.VimConnNotFoundException
:
741 if not vim_flavor_id
and task
.get("params"):
743 flavor_data
= task
["params"]["flavor_data"]
744 vim_flavor_id
= target_vim
.new_flavor(flavor_data
)
747 ro_vim_item_update
= {
748 "vim_id": vim_flavor_id
,
749 "vim_status": "DONE",
751 "created_items": created_items
,
756 "task={} {} new-flavor={} created={}".format(
757 task_id
, ro_task
["target_id"], vim_flavor_id
, created
761 return "DONE", ro_vim_item_update
762 except (vimconn
.VimConnException
, NsWorkerException
) as e
:
764 "task={} vim={} new-flavor: {}".format(task_id
, ro_task
["target_id"], e
)
766 ro_vim_item_update
= {
767 "vim_status": "VIM_ERROR",
769 "vim_message": str(e
),
772 return "FAILED", ro_vim_item_update
775 class VimInteractionAffinityGroup(VimInteractionBase
):
776 def delete(self
, ro_task
, task_index
):
777 task
= ro_task
["tasks"][task_index
]
778 task_id
= task
["task_id"]
779 affinity_group_vim_id
= ro_task
["vim_info"]["vim_id"]
780 ro_vim_item_update_ok
= {
781 "vim_status": "DELETED",
783 "vim_message": "DELETED",
788 if affinity_group_vim_id
:
789 target_vim
= self
.my_vims
[ro_task
["target_id"]]
790 target_vim
.delete_affinity_group(affinity_group_vim_id
)
791 except vimconn
.VimConnNotFoundException
:
792 ro_vim_item_update_ok
["vim_message"] = "already deleted"
793 except vimconn
.VimConnException
as e
:
795 "ro_task={} vim={} del-affinity-or-anti-affinity-group={}: {}".format(
796 ro_task
["_id"], ro_task
["target_id"], affinity_group_vim_id
, e
799 ro_vim_item_update
= {
800 "vim_status": "VIM_ERROR",
801 "vim_message": "Error while deleting: {}".format(e
),
804 return "FAILED", ro_vim_item_update
807 "task={} {} del-affinity-or-anti-affinity-group={} {}".format(
809 ro_task
["target_id"],
810 affinity_group_vim_id
,
811 ro_vim_item_update_ok
.get("vim_message", ""),
815 return "DONE", ro_vim_item_update_ok
817 def new(self
, ro_task
, task_index
, task_depends
):
818 task
= ro_task
["tasks"][task_index
]
819 task_id
= task
["task_id"]
822 target_vim
= self
.my_vims
[ro_task
["target_id"]]
825 affinity_group_vim_id
= None
826 affinity_group_data
= None
828 if task
.get("params"):
829 affinity_group_data
= task
["params"].get("affinity_group_data")
831 if affinity_group_data
and affinity_group_data
.get("vim-affinity-group-id"):
833 param_affinity_group_id
= task
["params"]["affinity_group_data"].get(
834 "vim-affinity-group-id"
836 affinity_group_vim_id
= target_vim
.get_affinity_group(
837 param_affinity_group_id
839 except vimconn
.VimConnNotFoundException
:
841 "task={} {} new-affinity-or-anti-affinity-group. Provided VIM Affinity Group ID {}"
842 "could not be found at VIM. Creating a new one.".format(
843 task_id
, ro_task
["target_id"], param_affinity_group_id
847 if not affinity_group_vim_id
and affinity_group_data
:
848 affinity_group_vim_id
= target_vim
.new_affinity_group(
853 ro_vim_item_update
= {
854 "vim_id": affinity_group_vim_id
,
855 "vim_status": "DONE",
857 "created_items": created_items
,
862 "task={} {} new-affinity-or-anti-affinity-group={} created={}".format(
863 task_id
, ro_task
["target_id"], affinity_group_vim_id
, created
867 return "DONE", ro_vim_item_update
868 except (vimconn
.VimConnException
, NsWorkerException
) as e
:
870 "task={} vim={} new-affinity-or-anti-affinity-group:"
871 " {}".format(task_id
, ro_task
["target_id"], e
)
873 ro_vim_item_update
= {
874 "vim_status": "VIM_ERROR",
876 "vim_message": str(e
),
879 return "FAILED", ro_vim_item_update
882 class VimInteractionSdnNet(VimInteractionBase
):
884 def _match_pci(port_pci
, mapping
):
886 Check if port_pci matches with mapping
887 mapping can have brackets to indicate that several chars are accepted. e.g
888 pci '0000:af:10.1' matches with '0000:af:1[01].[1357]'
889 :param port_pci: text
890 :param mapping: text, can contain brackets to indicate several chars are available
891 :return: True if matches, False otherwise
893 if not port_pci
or not mapping
:
895 if port_pci
== mapping
:
901 bracket_start
= mapping
.find("[", mapping_index
)
903 if bracket_start
== -1:
906 bracket_end
= mapping
.find("]", bracket_start
)
907 if bracket_end
== -1:
910 length
= bracket_start
- mapping_index
913 and port_pci
[pci_index
: pci_index
+ length
]
914 != mapping
[mapping_index
:bracket_start
]
919 port_pci
[pci_index
+ length
]
920 not in mapping
[bracket_start
+ 1 : bracket_end
]
924 pci_index
+= length
+ 1
925 mapping_index
= bracket_end
+ 1
927 if port_pci
[pci_index
:] != mapping
[mapping_index
:]:
932 def _get_interfaces(self
, vlds_to_connect
, vim_account_id
):
934 :param vlds_to_connect: list with format vnfrs:<id>:vld.<vld_id> or nsrs:<id>:vld.<vld_id>
935 :param vim_account_id:
940 for vld
in vlds_to_connect
:
941 table
, _
, db_id
= vld
.partition(":")
942 db_id
, _
, vld
= db_id
.partition(":")
943 _
, _
, vld_id
= vld
.partition(".")
946 q_filter
= {"vim-account-id": vim_account_id
, "_id": db_id
}
947 iface_key
= "vnf-vld-id"
948 else: # table == "nsrs"
949 q_filter
= {"vim-account-id": vim_account_id
, "nsr-id-ref": db_id
}
950 iface_key
= "ns-vld-id"
952 db_vnfrs
= self
.db
.get_list("vnfrs", q_filter
=q_filter
)
954 for db_vnfr
in db_vnfrs
:
955 for vdu_index
, vdur
in enumerate(db_vnfr
.get("vdur", ())):
956 for iface_index
, interface
in enumerate(vdur
["interfaces"]):
957 if interface
.get(iface_key
) == vld_id
and interface
.get(
959 ) in ("SR-IOV", "PCI-PASSTHROUGH"):
961 interface_
= interface
.copy()
962 interface_
["id"] = "vnfrs:{}:vdu.{}.interfaces.{}".format(
963 db_vnfr
["_id"], vdu_index
, iface_index
966 if vdur
.get("status") == "ERROR":
967 interface_
["status"] = "ERROR"
969 interfaces
.append(interface_
)
973 def refresh(self
, ro_task
):
974 # look for task create
975 task_create_index
, _
= next(
977 for i_t
in enumerate(ro_task
["tasks"])
979 and i_t
[1]["action"] == "CREATE"
980 and i_t
[1]["status"] != "FINISHED"
983 return self
.new(ro_task
, task_create_index
, None)
985 def new(self
, ro_task
, task_index
, task_depends
):
987 task
= ro_task
["tasks"][task_index
]
988 task_id
= task
["task_id"]
989 target_vim
= self
.my_vims
[ro_task
["target_id"]]
991 sdn_net_id
= ro_task
["vim_info"]["vim_id"]
993 created_items
= ro_task
["vim_info"].get("created_items")
994 connected_ports
= ro_task
["vim_info"].get("connected_ports", [])
995 new_connected_ports
= []
996 last_update
= ro_task
["vim_info"].get("last_update", 0)
997 sdn_status
= ro_task
["vim_info"].get("vim_status", "BUILD") or "BUILD"
999 created
= ro_task
["vim_info"].get("created", False)
1003 params
= task
["params"]
1004 vlds_to_connect
= params
["vlds"]
1005 associated_vim
= params
["target_vim"]
1006 # external additional ports
1007 additional_ports
= params
.get("sdn-ports") or ()
1008 _
, _
, vim_account_id
= associated_vim
.partition(":")
1011 # get associated VIM
1012 if associated_vim
not in self
.db_vims
:
1013 self
.db_vims
[associated_vim
] = self
.db
.get_one(
1014 "vim_accounts", {"_id": vim_account_id
}
1017 db_vim
= self
.db_vims
[associated_vim
]
1019 # look for ports to connect
1020 ports
= self
._get
_interfaces
(vlds_to_connect
, vim_account_id
)
1024 pending_ports
= error_ports
= 0
1026 sdn_need_update
= False
1029 vlan_used
= port
.get("vlan") or vlan_used
1031 # TODO. Do not connect if already done
1032 if not port
.get("compute_node") or not port
.get("pci"):
1033 if port
.get("status") == "ERROR":
1040 compute_node_mappings
= next(
1043 for c
in db_vim
["config"].get("sdn-port-mapping", ())
1044 if c
and c
["compute_node"] == port
["compute_node"]
1049 if compute_node_mappings
:
1050 # process port_mapping pci of type 0000:af:1[01].[1357]
1054 for p
in compute_node_mappings
["ports"]
1055 if self
._match
_pci
(port
["pci"], p
.get("pci"))
1061 if not db_vim
["config"].get("mapping_not_needed"):
1063 "Port mapping not found for compute_node={} pci={}".format(
1064 port
["compute_node"], port
["pci"]
1071 service_endpoint_id
= "{}:{}".format(port
["compute_node"], port
["pci"])
1073 "service_endpoint_id": pmap
.get("service_endpoint_id")
1074 or service_endpoint_id
,
1075 "service_endpoint_encapsulation_type": "dot1q"
1076 if port
["type"] == "SR-IOV"
1078 "service_endpoint_encapsulation_info": {
1079 "vlan": port
.get("vlan"),
1080 "mac": port
.get("mac-address"),
1081 "device_id": pmap
.get("device_id") or port
["compute_node"],
1082 "device_interface_id": pmap
.get("device_interface_id")
1084 "switch_dpid": pmap
.get("switch_id") or pmap
.get("switch_dpid"),
1085 "switch_port": pmap
.get("switch_port"),
1086 "service_mapping_info": pmap
.get("service_mapping_info"),
1091 # if port["modified_at"] > last_update:
1092 # sdn_need_update = True
1093 new_connected_ports
.append(port
["id"]) # TODO
1094 sdn_ports
.append(new_port
)
1098 "{} interfaces have not been created as VDU is on ERROR status".format(
1103 # connect external ports
1104 for index
, additional_port
in enumerate(additional_ports
):
1105 additional_port_id
= additional_port
.get(
1106 "service_endpoint_id"
1107 ) or "external-{}".format(index
)
1110 "service_endpoint_id": additional_port_id
,
1111 "service_endpoint_encapsulation_type": additional_port
.get(
1112 "service_endpoint_encapsulation_type", "dot1q"
1114 "service_endpoint_encapsulation_info": {
1115 "vlan": additional_port
.get("vlan") or vlan_used
,
1116 "mac": additional_port
.get("mac_address"),
1117 "device_id": additional_port
.get("device_id"),
1118 "device_interface_id": additional_port
.get(
1119 "device_interface_id"
1121 "switch_dpid": additional_port
.get("switch_dpid")
1122 or additional_port
.get("switch_id"),
1123 "switch_port": additional_port
.get("switch_port"),
1124 "service_mapping_info": additional_port
.get(
1125 "service_mapping_info"
1130 new_connected_ports
.append(additional_port_id
)
1133 # if there are more ports to connect or they have been modified, call create/update
1135 sdn_status
= "ERROR"
1136 sdn_info
= "; ".join(error_list
)
1137 elif set(connected_ports
) != set(new_connected_ports
) or sdn_need_update
:
1138 last_update
= time
.time()
1141 if len(sdn_ports
) < 2:
1142 sdn_status
= "ACTIVE"
1144 if not pending_ports
:
1146 "task={} {} new-sdn-net done, less than 2 ports".format(
1147 task_id
, ro_task
["target_id"]
1151 net_type
= params
.get("type") or "ELAN"
1155 ) = target_vim
.create_connectivity_service(net_type
, sdn_ports
)
1158 "task={} {} new-sdn-net={} created={}".format(
1159 task_id
, ro_task
["target_id"], sdn_net_id
, created
1163 created_items
= target_vim
.edit_connectivity_service(
1164 sdn_net_id
, conn_info
=created_items
, connection_points
=sdn_ports
1168 "task={} {} update-sdn-net={} created={}".format(
1169 task_id
, ro_task
["target_id"], sdn_net_id
, created
1173 connected_ports
= new_connected_ports
1175 wim_status_dict
= target_vim
.get_connectivity_service_status(
1176 sdn_net_id
, conn_info
=created_items
1178 sdn_status
= wim_status_dict
["sdn_status"]
1180 if wim_status_dict
.get("sdn_info"):
1181 sdn_info
= str(wim_status_dict
.get("sdn_info")) or ""
1183 if wim_status_dict
.get("error_msg"):
1184 sdn_info
= wim_status_dict
.get("error_msg") or ""
1187 if sdn_status
!= "ERROR":
1188 sdn_info
= "Waiting for getting interfaces location from VIM. Obtained '{}' of {}".format(
1189 len(ports
) - pending_ports
, len(ports
)
1192 if sdn_status
== "ACTIVE":
1193 sdn_status
= "BUILD"
1195 ro_vim_item_update
= {
1196 "vim_id": sdn_net_id
,
1197 "vim_status": sdn_status
,
1199 "created_items": created_items
,
1200 "connected_ports": connected_ports
,
1201 "vim_details": sdn_info
,
1202 "vim_message": None,
1203 "last_update": last_update
,
1206 return sdn_status
, ro_vim_item_update
1207 except Exception as e
:
1209 "task={} vim={} new-net: {}".format(task_id
, ro_task
["target_id"], e
),
1210 exc_info
=not isinstance(
1211 e
, (sdnconn
.SdnConnectorError
, vimconn
.VimConnException
)
1214 ro_vim_item_update
= {
1215 "vim_status": "VIM_ERROR",
1217 "vim_message": str(e
),
1220 return "FAILED", ro_vim_item_update
1222 def delete(self
, ro_task
, task_index
):
1223 task
= ro_task
["tasks"][task_index
]
1224 task_id
= task
["task_id"]
1225 sdn_vim_id
= ro_task
["vim_info"].get("vim_id")
1226 ro_vim_item_update_ok
= {
1227 "vim_status": "DELETED",
1229 "vim_message": "DELETED",
1235 target_vim
= self
.my_vims
[ro_task
["target_id"]]
1236 target_vim
.delete_connectivity_service(
1237 sdn_vim_id
, ro_task
["vim_info"].get("created_items")
1240 except Exception as e
:
1242 isinstance(e
, sdnconn
.SdnConnectorError
)
1243 and e
.http_code
== HTTPStatus
.NOT_FOUND
.value
1245 ro_vim_item_update_ok
["vim_message"] = "already deleted"
1248 "ro_task={} vim={} del-sdn-net={}: {}".format(
1249 ro_task
["_id"], ro_task
["target_id"], sdn_vim_id
, e
1251 exc_info
=not isinstance(
1252 e
, (sdnconn
.SdnConnectorError
, vimconn
.VimConnException
)
1255 ro_vim_item_update
= {
1256 "vim_status": "VIM_ERROR",
1257 "vim_message": "Error while deleting: {}".format(e
),
1260 return "FAILED", ro_vim_item_update
1263 "task={} {} del-sdn-net={} {}".format(
1265 ro_task
["target_id"],
1267 ro_vim_item_update_ok
.get("vim_message", ""),
1271 return "DONE", ro_vim_item_update_ok
1274 class NsWorker(threading
.Thread
):
1275 REFRESH_BUILD
= 5 # 5 seconds
1276 REFRESH_ACTIVE
= 60 # 1 minute
1278 REFRESH_IMAGE
= 3600 * 10
1279 REFRESH_DELETE
= 3600 * 10
1283 def __init__(self
, worker_index
, config
, plugins
, db
):
1286 :param worker_index: thread index
1287 :param config: general configuration of RO, among others the process_id with the docker id where it runs
1288 :param plugins: global shared dict with the loaded plugins
1289 :param db: database class instance to use
1291 threading
.Thread
.__init
__(self
)
1292 self
.config
= config
1293 self
.plugins
= plugins
1294 self
.plugin_name
= "unknown"
1295 self
.logger
= logging
.getLogger("ro.worker{}".format(worker_index
))
1296 self
.worker_index
= worker_index
1297 self
.task_queue
= queue
.Queue(self
.QUEUE_SIZE
)
1298 # targetvim: vimplugin class
1300 # targetvim: vim information from database
1303 self
.vim_targets
= []
1304 self
.my_id
= config
["process_id"] + ":" + str(worker_index
)
1307 "net": VimInteractionNet(self
.db
, self
.my_vims
, self
.db_vims
, self
.logger
),
1308 "vdu": VimInteractionVdu(self
.db
, self
.my_vims
, self
.db_vims
, self
.logger
),
1309 "image": VimInteractionImage(
1310 self
.db
, self
.my_vims
, self
.db_vims
, self
.logger
1312 "flavor": VimInteractionFlavor(
1313 self
.db
, self
.my_vims
, self
.db_vims
, self
.logger
1315 "sdn_net": VimInteractionSdnNet(
1316 self
.db
, self
.my_vims
, self
.db_vims
, self
.logger
1318 "affinity-or-anti-affinity-group": VimInteractionAffinityGroup(
1319 self
.db
, self
.my_vims
, self
.db_vims
, self
.logger
1322 self
.time_last_task_processed
= None
1323 # lists of tasks to delete because nsrs or vnfrs has been deleted from db
1324 self
.tasks_to_delete
= []
1325 # it is idle when there are not vim_targets associated
1327 self
.task_locked_time
= config
["global"]["task_locked_time"]
1329 def insert_task(self
, task
):
1331 self
.task_queue
.put(task
, False)
1334 raise NsWorkerException("timeout inserting a task")
1336 def terminate(self
):
1337 self
.insert_task("exit")
1339 def del_task(self
, task
):
1340 with self
.task_lock
:
1341 if task
["status"] == "SCHEDULED":
1342 task
["status"] = "SUPERSEDED"
1344 else: # task["status"] == "processing"
1345 self
.task_lock
.release()
1348 def _process_vim_config(self
, target_id
, db_vim
):
1350 Process vim config, creating vim configuration files as ca_cert
1351 :param target_id: vim/sdn/wim + id
1352 :param db_vim: Vim dictionary obtained from database
1353 :return: None. Modifies vim. Creates a folder target_id:worker_index and several files
1355 if not db_vim
.get("config"):
1361 if db_vim
["config"].get("ca_cert_content"):
1362 file_name
= "{}:{}".format(target_id
, self
.worker_index
)
1366 except FileExistsError
:
1369 file_name
= file_name
+ "/ca_cert"
1371 with
open(file_name
, "w") as f
:
1372 f
.write(db_vim
["config"]["ca_cert_content"])
1373 del db_vim
["config"]["ca_cert_content"]
1374 db_vim
["config"]["ca_cert"] = file_name
1375 except Exception as e
:
1376 raise NsWorkerException(
1377 "Error writing to file '{}': {}".format(file_name
, e
)
1380 def _load_plugin(self
, name
, type="vim"):
1381 # type can be vim or sdn
1382 if "rovim_dummy" not in self
.plugins
:
1383 self
.plugins
["rovim_dummy"] = VimDummyConnector
1385 if "rosdn_dummy" not in self
.plugins
:
1386 self
.plugins
["rosdn_dummy"] = SdnDummyConnector
1388 if name
in self
.plugins
:
1389 return self
.plugins
[name
]
1392 for ep
in entry_points(group
="osm_ro{}.plugins".format(type), name
=name
):
1393 self
.plugins
[name
] = ep
.load()
1394 except Exception as e
:
1395 raise NsWorkerException("Cannot load plugin osm_{}: {}".format(name
, e
))
1397 if name
and name
not in self
.plugins
:
1398 raise NsWorkerException(
1399 "Plugin 'osm_{n}' has not been installed".format(n
=name
)
1402 return self
.plugins
[name
]
1404 def _unload_vim(self
, target_id
):
1406 Unload a vim_account. Removes it from self db_vims dictionary, my_vims dictionary and vim_targets list
1407 :param target_id: Contains type:_id; where type can be 'vim', ...
1411 self
.db_vims
.pop(target_id
, None)
1412 self
.my_vims
.pop(target_id
, None)
1414 if target_id
in self
.vim_targets
:
1415 self
.vim_targets
.remove(target_id
)
1417 self
.logger
.info("Unloaded {}".format(target_id
))
1418 rmtree("{}:{}".format(target_id
, self
.worker_index
))
1419 except FileNotFoundError
:
1420 pass # this is raised by rmtree if folder does not exist
1421 except Exception as e
:
1422 self
.logger
.error("Cannot unload {}: {}".format(target_id
, e
))
1424 def _check_vim(self
, target_id
):
1426 Load a VIM/SDN/WIM (if not loaded) and check connectivity, updating database with ENABLE or ERROR
1427 :param target_id: Contains type:_id; type can be 'vim', 'sdn' or 'wim'
1430 target
, _
, _id
= target_id
.partition(":")
1436 loaded
= target_id
in self
.vim_targets
1446 step
= "Getting {} from db".format(target_id
)
1447 db_vim
= self
.db
.get_one(target_database
, {"_id": _id
})
1449 for op_index
, operation
in enumerate(
1450 db_vim
["_admin"].get("operations", ())
1452 if operation
["operationState"] != "PROCESSING":
1455 locked_at
= operation
.get("locked_at")
1457 if locked_at
is not None and locked_at
>= now
- self
.task_locked_time
:
1458 # some other thread is doing this operation
1462 op_text
= "_admin.operations.{}.".format(op_index
)
1464 if not self
.db
.set_one(
1468 op_text
+ "operationState": "PROCESSING",
1469 op_text
+ "locked_at": locked_at
,
1472 op_text
+ "locked_at": now
,
1473 "admin.current_operation": op_index
,
1475 fail_on_empty
=False,
1479 unset_dict
[op_text
+ "locked_at"] = None
1480 unset_dict
["current_operation"] = None
1481 step
= "Loading " + target_id
1482 error_text
= self
._load
_vim
(target_id
)
1485 step
= "Checking connectivity"
1488 self
.my_vims
[target_id
].check_vim_connectivity()
1490 self
.my_vims
[target_id
].check_credentials()
1492 update_dict
["_admin.operationalState"] = "ENABLED"
1493 update_dict
["_admin.detailed-status"] = ""
1494 unset_dict
[op_text
+ "detailed-status"] = None
1495 update_dict
[op_text
+ "operationState"] = "COMPLETED"
1499 except Exception as e
:
1500 error_text
= "{}: {}".format(step
, e
)
1501 self
.logger
.error("{} for {}: {}".format(step
, target_id
, e
))
1504 if update_dict
or unset_dict
:
1506 update_dict
[op_text
+ "operationState"] = "FAILED"
1507 update_dict
[op_text
+ "detailed-status"] = error_text
1508 unset_dict
.pop(op_text
+ "detailed-status", None)
1509 update_dict
["_admin.operationalState"] = "ERROR"
1510 update_dict
["_admin.detailed-status"] = error_text
1513 update_dict
[op_text
+ "statusEnteredTime"] = now
1517 q_filter
={"_id": _id
},
1518 update_dict
=update_dict
,
1520 fail_on_empty
=False,
1524 self
._unload
_vim
(target_id
)
1526 def _reload_vim(self
, target_id
):
1527 if target_id
in self
.vim_targets
:
1528 self
._load
_vim
(target_id
)
1530 # if the vim is not loaded, but database information of VIM is cached at self.db_vims,
1531 # just remove it to force load again next time it is needed
1532 self
.db_vims
.pop(target_id
, None)
1534 def _load_vim(self
, target_id
):
1536 Load or reload a vim_account, sdn_controller or wim_account.
1537 Read content from database, load the plugin if not loaded.
1538 In case of error loading the plugin, it load a failing VIM_connector
1539 It fills self db_vims dictionary, my_vims dictionary and vim_targets list
1540 :param target_id: Contains type:_id; where type can be 'vim', ...
1541 :return: None if ok, descriptive text if error
1543 target
, _
, _id
= target_id
.partition(":")
1555 step
= "Getting {}={} from db".format(target
, _id
)
1556 # TODO process for wim, sdnc, ...
1557 vim
= self
.db
.get_one(target_database
, {"_id": _id
})
1559 # if deep_get(vim, "config", "sdn-controller"):
1560 # step = "Getting sdn-controller-id='{}' from db".format(vim["config"]["sdn-controller"])
1561 # db_sdn = self.db.get_one("sdns", {"_id": vim["config"]["sdn-controller"]})
1563 step
= "Decrypting password"
1564 schema_version
= vim
.get("schema_version")
1565 self
.db
.encrypt_decrypt_fields(
1568 fields
=("password", "secret"),
1569 schema_version
=schema_version
,
1572 self
._process
_vim
_config
(target_id
, vim
)
1575 plugin_name
= "rovim_" + vim
["vim_type"]
1576 step
= "Loading plugin '{}'".format(plugin_name
)
1577 vim_module_conn
= self
._load
_plugin
(plugin_name
)
1578 step
= "Loading {}'".format(target_id
)
1579 self
.my_vims
[target_id
] = vim_module_conn(
1582 tenant_id
=vim
.get("vim_tenant_id"),
1583 tenant_name
=vim
.get("vim_tenant_name"),
1586 user
=vim
["vim_user"],
1587 passwd
=vim
["vim_password"],
1588 config
=vim
.get("config") or {},
1592 plugin_name
= "rosdn_" + vim
["type"]
1593 step
= "Loading plugin '{}'".format(plugin_name
)
1594 vim_module_conn
= self
._load
_plugin
(plugin_name
, "sdn")
1595 step
= "Loading {}'".format(target_id
)
1597 wim_config
= wim
.pop("config", {}) or {}
1598 wim
["uuid"] = wim
["_id"]
1599 wim
["wim_url"] = wim
["url"]
1602 wim_config
["dpid"] = wim
.pop("dpid")
1604 if wim
.get("switch_id"):
1605 wim_config
["switch_id"] = wim
.pop("switch_id")
1607 # wim, wim_account, config
1608 self
.my_vims
[target_id
] = vim_module_conn(wim
, wim
, wim_config
)
1609 self
.db_vims
[target_id
] = vim
1610 self
.error_status
= None
1613 "Connector loaded for {}, plugin={}".format(target_id
, plugin_name
)
1615 except Exception as e
:
1617 "Cannot load {} plugin={}: {} {}".format(
1618 target_id
, plugin_name
, step
, e
1622 self
.db_vims
[target_id
] = vim
or {}
1623 self
.db_vims
[target_id
] = FailingConnector(str(e
))
1624 error_status
= "{} Error: {}".format(step
, e
)
1628 if target_id
not in self
.vim_targets
:
1629 self
.vim_targets
.append(target_id
)
1631 def _get_db_task(self
):
1633 Read actions from database and reload them at memory. Fill self.refresh_list, pending_list, vim_actions
1638 if not self
.time_last_task_processed
:
1639 self
.time_last_task_processed
= now
1644 # Log RO tasks only when loglevel is DEBUG
1645 if self.logger.getEffectiveLevel() == logging.DEBUG:
1652 + str(self.task_locked_time)
1654 + "time_last_task_processed="
1655 + str(self.time_last_task_processed)
1661 locked
= self
.db
.set_one(
1664 "target_id": self
.vim_targets
,
1665 "tasks.status": ["SCHEDULED", "BUILD", "DONE", "FAILED"],
1666 "locked_at.lt": now
- self
.task_locked_time
,
1667 "to_check_at.lt": self
.time_last_task_processed
,
1669 update_dict
={"locked_by": self
.my_id
, "locked_at": now
},
1670 fail_on_empty
=False,
1675 ro_task
= self
.db
.get_one(
1678 "target_id": self
.vim_targets
,
1679 "tasks.status": ["SCHEDULED", "BUILD", "DONE", "FAILED"],
1685 if self
.time_last_task_processed
== now
:
1686 self
.time_last_task_processed
= None
1689 self
.time_last_task_processed
= now
1690 # self.time_last_task_processed = min(self.time_last_task_processed + 1000, now)
1692 except DbException
as e
:
1693 self
.logger
.error("Database exception at _get_db_task: {}".format(e
))
1694 except Exception as e
:
1695 self
.logger
.critical(
1696 "Unexpected exception at _get_db_task: {}".format(e
), exc_info
=True
1701 def _get_db_all_tasks(self
):
1703 Read all content of table ro_tasks to log it
1707 # Checking the content of the BD:
1710 ro_task
= self
.db
.get_list("ro_tasks")
1712 self
._log
_ro
_task
(rt
, None, None, "TASK_WF", "GET_ALL_TASKS")
1715 except DbException
as e
:
1716 self
.logger
.error("Database exception at _get_db_all_tasks: {}".format(e
))
1717 except Exception as e
:
1718 self
.logger
.critical(
1719 "Unexpected exception at _get_db_all_tasks: {}".format(e
), exc_info
=True
1724 def _log_ro_task(self
, ro_task
, db_ro_task_update
, db_ro_task_delete
, mark
, event
):
1726 Generate a log with the following format:
1728 Mark;Event;ro_task_id;locked_at;modified_at;created_at;to_check_at;locked_by;
1729 target_id;vim_info.refresh_at;vim_info;no_of_tasks;task_status;action_id;
1730 task_array_index;task_id;task_action;task_item;task_args
1734 TASK_WF;GET_TASK;888f1864-749a-4fc2-bc1a-97c0fffd6a6f:2;1642158724.8210013;
1735 1642158640.7986135;1642158640.7986135;1642158640.7986135;b134c9494e75:0a
1736 ;vim:b7ff9e24-8868-4d68-8a57-a59dc11d0327;None;{'created': False,
1737 'created_items': None, 'vim_id': None, 'vim_name': None, 'vim_status': None,
1738 'vim_details': None, 'vim_message': None, 'refresh_at': None};1;SCHEDULED;
1739 888f1864-749a-4fc2-bc1a-97c0fffd6a6f;0;888f1864-749a-4fc2-bc1a-97c0fffd6a6f:2;
1740 CREATE;image;{'filter_dict': {'name': 'ubuntu-os-cloud:image-family:ubuntu-1804-lts'}}
1745 if ro_task
is not None and isinstance(ro_task
, dict):
1746 for t
in ro_task
["tasks"]:
1750 line
.append(ro_task
.get("_id", ""))
1751 line
.append(str(ro_task
.get("locked_at", "")))
1752 line
.append(str(ro_task
.get("modified_at", "")))
1753 line
.append(str(ro_task
.get("created_at", "")))
1754 line
.append(str(ro_task
.get("to_check_at", "")))
1755 line
.append(str(ro_task
.get("locked_by", "")))
1756 line
.append(str(ro_task
.get("target_id", "")))
1757 line
.append(str(ro_task
.get("vim_info", {}).get("refresh_at", "")))
1758 line
.append(str(ro_task
.get("vim_info", "")))
1759 line
.append(str(ro_task
.get("tasks", "")))
1760 if isinstance(t
, dict):
1761 line
.append(str(t
.get("status", "")))
1762 line
.append(str(t
.get("action_id", "")))
1764 line
.append(str(t
.get("task_id", "")))
1765 line
.append(str(t
.get("action", "")))
1766 line
.append(str(t
.get("item", "")))
1767 line
.append(str(t
.get("find_params", "")))
1768 line
.append(str(t
.get("params", "")))
1770 line
.extend([""] * 2)
1772 line
.extend([""] * 5)
1775 self
.logger
.debug(";".join(line
))
1776 elif db_ro_task_update
is not None and isinstance(db_ro_task_update
, dict):
1779 st
= "tasks.{}.status".format(i
)
1780 if st
not in db_ro_task_update
:
1785 line
.append(db_ro_task_update
.get("_id", ""))
1786 line
.append(str(db_ro_task_update
.get("locked_at", "")))
1787 line
.append(str(db_ro_task_update
.get("modified_at", "")))
1789 line
.append(str(db_ro_task_update
.get("to_check_at", "")))
1790 line
.append(str(db_ro_task_update
.get("locked_by", "")))
1792 line
.append(str(db_ro_task_update
.get("vim_info.refresh_at", "")))
1794 line
.append(str(db_ro_task_update
.get("vim_info", "")))
1795 line
.append(str(str(db_ro_task_update
).count(".status")))
1796 line
.append(db_ro_task_update
.get(st
, ""))
1799 line
.extend([""] * 3)
1801 self
.logger
.debug(";".join(line
))
1803 elif db_ro_task_delete
is not None and isinstance(db_ro_task_delete
, dict):
1807 line
.append(db_ro_task_delete
.get("_id", ""))
1809 line
.append(db_ro_task_delete
.get("modified_at", ""))
1810 line
.extend([""] * 13)
1811 self
.logger
.debug(";".join(line
))
1817 line
.extend([""] * 16)
1818 self
.logger
.debug(";".join(line
))
1820 except Exception as e
:
1821 self
.logger
.error("Error logging ro_task: {}".format(e
))
1823 def _delete_task(self
, ro_task
, task_index
, task_depends
, db_update
):
1825 Determine if this task need to be done or superseded
1828 my_task
= ro_task
["tasks"][task_index
]
1829 task_id
= my_task
["task_id"]
1830 needed_delete
= ro_task
["vim_info"]["created"] or ro_task
["vim_info"].get(
1831 "created_items", False
1834 self
.logger
.warning("Needed delete: {}".format(needed_delete
))
1835 if my_task
["status"] == "FAILED":
1836 return None, None # TODO need to be retry??
1839 for index
, task
in enumerate(ro_task
["tasks"]):
1840 if index
== task_index
or not task
:
1844 my_task
["target_record"] == task
["target_record"]
1845 and task
["action"] == "CREATE"
1848 db_update
["tasks.{}.status".format(index
)] = task
[
1851 elif task
["action"] == "CREATE" and task
["status"] not in (
1855 needed_delete
= False
1858 self
.logger
.warning(
1859 "Deleting ro_task={} task_index={}".format(ro_task
, task_index
)
1861 return self
.item2class
[my_task
["item"]].delete(ro_task
, task_index
)
1863 return "SUPERSEDED", None
1864 except Exception as e
:
1865 if not isinstance(e
, NsWorkerException
):
1866 self
.logger
.critical(
1867 "Unexpected exception at _delete_task task={}: {}".format(
1873 return "FAILED", {"vim_status": "VIM_ERROR", "vim_message": str(e
)}
1875 def _create_task(self
, ro_task
, task_index
, task_depends
, db_update
):
1877 Determine if this task need to create something at VIM
1880 my_task
= ro_task
["tasks"][task_index
]
1881 task_id
= my_task
["task_id"]
1884 if my_task
["status"] == "FAILED":
1885 return None, None # TODO need to be retry??
1886 elif my_task
["status"] == "SCHEDULED":
1887 # check if already created by another task
1888 for index
, task
in enumerate(ro_task
["tasks"]):
1889 if index
== task_index
or not task
:
1892 if task
["action"] == "CREATE" and task
["status"] not in (
1897 return task
["status"], "COPY_VIM_INFO"
1900 task_status
, ro_vim_item_update
= self
.item2class
[my_task
["item"]].new(
1901 ro_task
, task_index
, task_depends
1903 # TODO update other CREATE tasks
1904 except Exception as e
:
1905 if not isinstance(e
, NsWorkerException
):
1907 "Error executing task={}: {}".format(task_id
, e
), exc_info
=True
1910 task_status
= "FAILED"
1911 ro_vim_item_update
= {"vim_status": "VIM_ERROR", "vim_message": str(e
)}
1912 # TODO update ro_vim_item_update
1914 return task_status
, ro_vim_item_update
1918 def _get_dependency(self
, task_id
, ro_task
=None, target_id
=None):
1920 Look for dependency task
1921 :param task_id: Can be one of
1922 1. target_vim+blank+task.target_record_id: "(vim|sdn|wim):<id> (vnfrs|nsrs):(vld|vdu|flavor|image).<id>"
1923 2. task.target_record_id: "(vnfrs|nsrs):(vld|vdu|flavor|image).<id>"
1924 3. task.task_id: "<action_id>:number"
1927 :return: database ro_task plus index of task
1930 task_id
.startswith("vim:")
1931 or task_id
.startswith("sdn:")
1932 or task_id
.startswith("wim:")
1934 target_id
, _
, task_id
= task_id
.partition(" ")
1936 if task_id
.startswith("nsrs:") or task_id
.startswith("vnfrs:"):
1937 ro_task_dependency
= self
.db
.get_one(
1939 q_filter
={"target_id": target_id
, "tasks.target_record_id": task_id
},
1940 fail_on_empty
=False,
1943 if ro_task_dependency
:
1944 for task_index
, task
in enumerate(ro_task_dependency
["tasks"]):
1945 if task
["target_record_id"] == task_id
:
1946 return ro_task_dependency
, task_index
1950 for task_index
, task
in enumerate(ro_task
["tasks"]):
1951 if task
and task
["task_id"] == task_id
:
1952 return ro_task
, task_index
1954 ro_task_dependency
= self
.db
.get_one(
1957 "tasks.ANYINDEX.task_id": task_id
,
1958 "tasks.ANYINDEX.target_record.ne": None,
1960 fail_on_empty
=False,
1963 self
.logger
.warning("ro_task_dependency={}".format(ro_task_dependency
))
1964 if ro_task_dependency
:
1965 for task_index
, task
in enumerate(ro_task_dependency
["tasks"]):
1966 if task
["task_id"] == task_id
:
1967 return ro_task_dependency
, task_index
1968 raise NsWorkerException("Cannot get depending task {}".format(task_id
))
1970 def _process_pending_tasks(self
, ro_task
):
1971 ro_task_id
= ro_task
["_id"]
1974 next_check_at
= now
+ (24 * 60 * 60)
1975 db_ro_task_update
= {}
1977 def _update_refresh(new_status
):
1978 # compute next_refresh
1980 nonlocal next_check_at
1981 nonlocal db_ro_task_update
1984 next_refresh
= time
.time()
1986 if task
["item"] in ("image", "flavor"):
1987 next_refresh
+= self
.REFRESH_IMAGE
1988 elif new_status
== "BUILD":
1989 next_refresh
+= self
.REFRESH_BUILD
1990 elif new_status
== "DONE":
1991 next_refresh
+= self
.REFRESH_ACTIVE
1993 next_refresh
+= self
.REFRESH_ERROR
1995 next_check_at
= min(next_check_at
, next_refresh
)
1996 db_ro_task_update
["vim_info.refresh_at"] = next_refresh
1997 ro_task
["vim_info"]["refresh_at"] = next_refresh
2001 # Log RO tasks only when loglevel is DEBUG
2002 if self.logger.getEffectiveLevel() == logging.DEBUG:
2003 self._log_ro_task(ro_task, None, None, "TASK_WF", "GET_TASK")
2005 # 0: get task_status_create
2007 task_status_create
= None
2011 for t
in ro_task
["tasks"]
2013 and t
["action"] == "CREATE"
2014 and t
["status"] in ("BUILD", "DONE")
2020 task_status_create
= task_create
["status"]
2022 # 1: look for tasks in status SCHEDULED, or in status CREATE if action is DONE or BUILD
2023 for task_action
in ("DELETE", "CREATE", "EXEC"):
2024 db_vim_update
= None
2027 for task_index
, task
in enumerate(ro_task
["tasks"]):
2029 continue # task deleted
2032 target_update
= None
2036 task_action
in ("DELETE", "EXEC")
2037 and task
["status"] not in ("SCHEDULED", "BUILD")
2039 or task
["action"] != task_action
2041 task_action
== "CREATE"
2042 and task
["status"] in ("FINISHED", "SUPERSEDED")
2047 task_path
= "tasks.{}.status".format(task_index
)
2049 db_vim_info_update
= None
2051 if task
["status"] == "SCHEDULED":
2052 # check if tasks that this depends on have been completed
2053 dependency_not_completed
= False
2055 for dependency_task_id
in task
.get("depends_on") or ():
2058 dependency_task_index
,
2059 ) = self
._get
_dependency
(
2060 dependency_task_id
, target_id
=ro_task
["target_id"]
2062 dependency_task
= dependency_ro_task
["tasks"][
2063 dependency_task_index
2065 self
.logger
.warning(
2066 "dependency_ro_task={} dependency_task_index={}".format(
2067 dependency_ro_task
, dependency_task_index
2071 if dependency_task
["status"] == "SCHEDULED":
2072 dependency_not_completed
= True
2073 next_check_at
= min(
2074 next_check_at
, dependency_ro_task
["to_check_at"]
2076 # must allow dependent task to be processed first
2077 # to do this set time after last_task_processed
2078 next_check_at
= max(
2079 self
.time_last_task_processed
, next_check_at
2082 elif dependency_task
["status"] == "FAILED":
2083 error_text
= "Cannot {} {} because depends on failed {} {} id={}): {}".format(
2086 dependency_task
["action"],
2087 dependency_task
["item"],
2089 dependency_ro_task
["vim_info"].get(
2094 "task={} {}".format(task
["task_id"], error_text
)
2096 raise NsWorkerException(error_text
)
2098 task_depends
[dependency_task_id
] = dependency_ro_task
[
2102 "TASK-{}".format(dependency_task_id
)
2103 ] = dependency_ro_task
["vim_info"]["vim_id"]
2105 if dependency_not_completed
:
2106 self
.logger
.warning(
2107 "DEPENDENCY NOT COMPLETED {}".format(
2108 dependency_ro_task
["vim_info"]["vim_id"]
2111 # TODO set at vim_info.vim_details that it is waiting
2114 # before calling VIM-plugin as it can take more than task_locked_time, insert to LockRenew
2115 # the task of renew this locking. It will update database locket_at periodically
2117 lock_object
= LockRenew
.add_lock_object(
2118 "ro_tasks", ro_task
, self
2121 if task
["action"] == "DELETE":
2122 (new_status
, db_vim_info_update
,) = self
._delete
_task
(
2123 ro_task
, task_index
, task_depends
, db_ro_task_update
2126 "FINISHED" if new_status
== "DONE" else new_status
2128 # ^with FINISHED instead of DONE it will not be refreshing
2130 if new_status
in ("FINISHED", "SUPERSEDED"):
2131 target_update
= "DELETE"
2132 elif task
["action"] == "EXEC":
2137 ) = self
.item2class
[task
["item"]].exec(
2138 ro_task
, task_index
, task_depends
2141 "FINISHED" if new_status
== "DONE" else new_status
2143 # ^with FINISHED instead of DONE it will not be refreshing
2146 # load into database the modified db_task_update "retries" and "next_retry"
2147 if db_task_update
.get("retries"):
2149 "tasks.{}.retries".format(task_index
)
2150 ] = db_task_update
["retries"]
2152 next_check_at
= time
.time() + db_task_update
.get(
2155 target_update
= None
2156 elif task
["action"] == "CREATE":
2157 if task
["status"] == "SCHEDULED":
2158 if task_status_create
:
2159 new_status
= task_status_create
2160 target_update
= "COPY_VIM_INFO"
2162 new_status
, db_vim_info_update
= self
.item2class
[
2164 ].new(ro_task
, task_index
, task_depends
)
2165 # self._create_task(ro_task, task_index, task_depends, db_ro_task_update)
2166 _update_refresh(new_status
)
2169 ro_task
["vim_info"]["refresh_at"]
2170 and now
> ro_task
["vim_info"]["refresh_at"]
2172 new_status
, db_vim_info_update
= self
.item2class
[
2175 _update_refresh(new_status
)
2177 # The refresh is updated to avoid set the value of "refresh_at" to
2178 # default value (next_check_at = now + (24 * 60 * 60)) when status is BUILD,
2179 # because it can happen that in this case the task is never processed
2180 _update_refresh(task
["status"])
2182 except Exception as e
:
2183 new_status
= "FAILED"
2184 db_vim_info_update
= {
2185 "vim_status": "VIM_ERROR",
2186 "vim_message": str(e
),
2190 e
, (NsWorkerException
, vimconn
.VimConnException
)
2193 "Unexpected exception at _delete_task task={}: {}".format(
2200 if db_vim_info_update
:
2201 db_vim_update
= db_vim_info_update
.copy()
2202 db_ro_task_update
.update(
2205 for k
, v
in db_vim_info_update
.items()
2208 ro_task
["vim_info"].update(db_vim_info_update
)
2211 if task_action
== "CREATE":
2212 task_status_create
= new_status
2213 db_ro_task_update
[task_path
] = new_status
2215 if target_update
or db_vim_update
:
2216 if target_update
== "DELETE":
2217 self
._update
_target
(task
, None)
2218 elif target_update
== "COPY_VIM_INFO":
2219 self
._update
_target
(task
, ro_task
["vim_info"])
2221 self
._update
_target
(task
, db_vim_update
)
2223 except Exception as e
:
2225 isinstance(e
, DbException
)
2226 and e
.http_code
== HTTPStatus
.NOT_FOUND
2228 # if the vnfrs or nsrs has been removed from database, this task must be removed
2230 "marking to delete task={}".format(task
["task_id"])
2232 self
.tasks_to_delete
.append(task
)
2235 "Unexpected exception at _update_target task={}: {}".format(
2241 locked_at
= ro_task
["locked_at"]
2245 lock_object
["locked_at"],
2246 lock_object
["locked_at"] + self
.task_locked_time
,
2248 # locked_at contains two times to avoid race condition. In case the lock has been renew, it will
2249 # contain exactly locked_at + self.task_locked_time
2250 LockRenew
.remove_lock_object(lock_object
)
2253 "_id": ro_task
["_id"],
2254 "to_check_at": ro_task
["to_check_at"],
2255 "locked_at": locked_at
,
2257 # modify own task. Try filtering by to_next_check. For race condition if to_check_at has been modified,
2258 # outside this task (by ro_nbi) do not update it
2259 db_ro_task_update
["locked_by"] = None
2260 # locked_at converted to int only for debugging. When has not decimals it means it has been unlocked
2261 db_ro_task_update
["locked_at"] = int(now
- self
.task_locked_time
)
2262 db_ro_task_update
["modified_at"] = now
2263 db_ro_task_update
["to_check_at"] = next_check_at
2266 # Log RO tasks only when loglevel is DEBUG
2267 if self.logger.getEffectiveLevel() == logging.DEBUG:
2268 db_ro_task_update_log = db_ro_task_update.copy()
2269 db_ro_task_update_log["_id"] = q_filter["_id"]
2270 self._log_ro_task(None, db_ro_task_update_log, None, "TASK_WF", "SET_TASK")
2273 if not self
.db
.set_one(
2275 update_dict
=db_ro_task_update
,
2277 fail_on_empty
=False,
2279 del db_ro_task_update
["to_check_at"]
2280 del q_filter
["to_check_at"]
2282 # Log RO tasks only when loglevel is DEBUG
2283 if self.logger.getEffectiveLevel() == logging.DEBUG:
2286 db_ro_task_update_log,
2289 "SET_TASK " + str(q_filter),
2295 update_dict
=db_ro_task_update
,
2298 except DbException
as e
:
2300 "ro_task={} Error updating database {}".format(ro_task_id
, e
)
2302 except Exception as e
:
2304 "Error executing ro_task={}: {}".format(ro_task_id
, e
), exc_info
=True
2307 def _update_target(self
, task
, ro_vim_item_update
):
2308 table
, _
, temp
= task
["target_record"].partition(":")
2309 _id
, _
, path_vim_status
= temp
.partition(":")
2310 path_item
= path_vim_status
[: path_vim_status
.rfind(".")]
2311 path_item
= path_item
[: path_item
.rfind(".")]
2312 # path_vim_status: dot separated list targeting vim information, e.g. "vdur.10.vim_info.vim:id"
2313 # path_item: dot separated list targeting record information, e.g. "vdur.10"
2315 if ro_vim_item_update
:
2317 path_vim_status
+ "." + k
: v
2318 for k
, v
in ro_vim_item_update
.items()
2330 if path_vim_status
.startswith("vdur."):
2331 # for backward compatibility, add vdur.name apart from vdur.vim_name
2332 if ro_vim_item_update
.get("vim_name"):
2333 update_dict
[path_item
+ ".name"] = ro_vim_item_update
["vim_name"]
2335 # for backward compatibility, add vdur.vim-id apart from vdur.vim_id
2336 if ro_vim_item_update
.get("vim_id"):
2337 update_dict
[path_item
+ ".vim-id"] = ro_vim_item_update
["vim_id"]
2339 # update general status
2340 if ro_vim_item_update
.get("vim_status"):
2341 update_dict
[path_item
+ ".status"] = ro_vim_item_update
[
2345 if ro_vim_item_update
.get("interfaces"):
2346 path_interfaces
= path_item
+ ".interfaces"
2348 for i
, iface
in enumerate(ro_vim_item_update
.get("interfaces")):
2352 path_interfaces
+ ".{}.".format(i
) + k
: v
2353 for k
, v
in iface
.items()
2354 if k
in ("vlan", "compute_node", "pci")
2358 # put ip_address and mac_address with ip-address and mac-address
2359 if iface
.get("ip_address"):
2361 path_interfaces
+ ".{}.".format(i
) + "ip-address"
2362 ] = iface
["ip_address"]
2364 if iface
.get("mac_address"):
2366 path_interfaces
+ ".{}.".format(i
) + "mac-address"
2367 ] = iface
["mac_address"]
2369 if iface
.get("mgmt_vnf_interface") and iface
.get("ip_address"):
2370 update_dict
["ip-address"] = iface
.get("ip_address").split(
2374 if iface
.get("mgmt_vdu_interface") and iface
.get("ip_address"):
2375 update_dict
[path_item
+ ".ip-address"] = iface
.get(
2379 self
.db
.set_one(table
, q_filter
={"_id": _id
}, update_dict
=update_dict
)
2381 update_dict
= {path_item
+ ".status": "DELETED"}
2384 q_filter
={"_id": _id
},
2385 update_dict
=update_dict
,
2386 unset
={path_vim_status
: None},
2389 def _process_delete_db_tasks(self
):
2391 Delete task from database because vnfrs or nsrs or both have been deleted
2392 :return: None. Uses and modify self.tasks_to_delete
2394 while self
.tasks_to_delete
:
2395 task
= self
.tasks_to_delete
[0]
2396 vnfrs_deleted
= None
2397 nsr_id
= task
["nsr_id"]
2399 if task
["target_record"].startswith("vnfrs:"):
2400 # check if nsrs is present
2401 if self
.db
.get_one("nsrs", {"_id": nsr_id
}, fail_on_empty
=False):
2402 vnfrs_deleted
= task
["target_record"].split(":")[1]
2405 self
.delete_db_tasks(self
.db
, nsr_id
, vnfrs_deleted
)
2406 except Exception as e
:
2408 "Error deleting task={}: {}".format(task
["task_id"], e
)
2410 self
.tasks_to_delete
.pop(0)
2413 def delete_db_tasks(db
, nsr_id
, vnfrs_deleted
):
2415 Static method because it is called from osm_ng_ro.ns
2416 :param db: instance of database to use
2417 :param nsr_id: affected nsrs id
2418 :param vnfrs_deleted: only tasks with this vnfr id. If None, all affected by nsr_id
2419 :return: None, exception is fails
2422 for retry
in range(retries
):
2423 ro_tasks
= db
.get_list("ro_tasks", {"tasks.nsr_id": nsr_id
})
2427 for ro_task
in ro_tasks
:
2429 to_delete_ro_task
= True
2431 for index
, task
in enumerate(ro_task
["tasks"]):
2434 elif (not vnfrs_deleted
and task
["nsr_id"] == nsr_id
) or (
2436 and task
["target_record"].startswith("vnfrs:" + vnfrs_deleted
)
2438 db_update
["tasks.{}".format(index
)] = None
2440 # used by other nsr, ro_task cannot be deleted
2441 to_delete_ro_task
= False
2443 # delete or update if nobody has changed ro_task meanwhile. Used modified_at for known if changed
2444 if to_delete_ro_task
:
2448 "_id": ro_task
["_id"],
2449 "modified_at": ro_task
["modified_at"],
2451 fail_on_empty
=False,
2455 db_update
["modified_at"] = now
2459 "_id": ro_task
["_id"],
2460 "modified_at": ro_task
["modified_at"],
2462 update_dict
=db_update
,
2463 fail_on_empty
=False,
2469 raise NsWorkerException("Exceeded {} retries".format(retries
))
2473 self
.logger
.info("Starting")
2475 # step 1: get commands from queue
2477 if self
.vim_targets
:
2478 task
= self
.task_queue
.get(block
=False)
2481 self
.logger
.debug("enters in idle state")
2483 task
= self
.task_queue
.get(block
=True)
2486 if task
[0] == "terminate":
2488 elif task
[0] == "load_vim":
2489 self
.logger
.info("order to load vim {}".format(task
[1]))
2490 self
._load
_vim
(task
[1])
2491 elif task
[0] == "unload_vim":
2492 self
.logger
.info("order to unload vim {}".format(task
[1]))
2493 self
._unload
_vim
(task
[1])
2494 elif task
[0] == "reload_vim":
2495 self
._reload
_vim
(task
[1])
2496 elif task
[0] == "check_vim":
2497 self
.logger
.info("order to check vim {}".format(task
[1]))
2498 self
._check
_vim
(task
[1])
2500 except Exception as e
:
2501 if isinstance(e
, queue
.Empty
):
2504 self
.logger
.critical(
2505 "Error processing task: {}".format(e
), exc_info
=True
2508 # step 2: process pending_tasks, delete not needed tasks
2510 if self
.tasks_to_delete
:
2511 self
._process
_delete
_db
_tasks
()
2514 # Log RO tasks only when loglevel is DEBUG
2515 if self.logger.getEffectiveLevel() == logging.DEBUG:
2516 _ = self._get_db_all_tasks()
2518 ro_task
= self
._get
_db
_task
()
2520 self
.logger
.warning("Task to process: {}".format(ro_task
))
2522 self
._process
_pending
_tasks
(ro_task
)
2526 except Exception as e
:
2527 self
.logger
.critical(
2528 "Unexpected exception at run: " + str(e
), exc_info
=True
2531 self
.logger
.info("Finishing")