1 # -*- coding: utf-8 -*-
4 # Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U.
5 # This file is part of openvim
8 # Licensed under the Apache License, Version 2.0 (the "License"); you may
9 # not use this file except in compliance with the License. You may obtain
10 # a copy of the License at
12 # http://www.apache.org/licenses/LICENSE-2.0
14 # Unless required by applicable law or agreed to in writing, software
15 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
16 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
17 # License for the specific language governing permissions and limitations
20 # For those usages not covered by the Apache License, Version 2.0 please
21 # contact with: nfvlabs@tid.es
25 This is thread that interacts with a VIM. It processes TASKs sequentially against a single VIM.
26 The tasks are stored at database in table vim_actions
27 The task content is (M: stored at memory, D: stored at database):
28 MD instance_action_id: reference a global action over an instance-scenario: database instance_actions
29 MD task_index: index number of the task. This together with the previous forms a unique key identifier
30 MD datacenter_vim_id: should contain the uuid of the VIM managed by this thread
31 MD vim_id: id of the vm,net,etc at VIM
32 MD action: CREATE, DELETE, FIND
33 MD item: database table name, can be instance_vms, instance_nets, TODO: datacenter_flavors, datacenter_images
34 MD item_id: uuid of the referenced entry in the previous table
35 MD status: SCHEDULED,BUILD,DONE,FAILED,SUPERSEDED
36 MD extra: text with yaml format at database, dict at memory with:
37 params: list with the params to be sent to the VIM for CREATE or FIND. For DELETE the vim_id is taken from other related tasks
38 find: (only for CREATE tasks) if present it should FIND before creating and use if existing. Contains the FIND params
39 depends_on: list with the 'task_index'es of tasks that must be completed before. e.g. a vm creation depends on a net creation
40 sdn_net_id: used for net.
42 interfaces: used for VMs. Each key is the uuid of the instance_interfaces entry at database
43 iface_id: uuid of intance_interfaces
46 created_items: dictionary with extra elements created that need to be deleted. e.g. ports, volumes,...
47 created: False if the VIM element is not created by other actions, and it should not be deleted
48 vim_status: VIM status of the element. Stored also at database in the instance_XXX
49 M depends: dict with task_index(from depends_on) to task class
50 M params: same as extra[params] but with the resolved dependencies
51 M vim_interfaces: similar to extra[interfaces] but with VIM information. Stored at database in the instance_XXX but not at vim_actions
52 M vim_info: Detailed information of a vm,net from the VIM. Stored at database in the instance_XXX but not at vim_actions
53 MD error_msg: descriptive text upon an error.Stored also at database instance_XXX
54 MD created_at: task creation time
55 MD modified_at: last task update time. On refresh it contains when this task need to be refreshed
65 from db_base
import db_base_Exception
66 from lib_osm_openvim
.ovim
import ovimException
68 __author__
= "Alfonso Tierno, Pablo Montes"
69 __date__
= "$28-Sep-2017 12:07:15$"
72 def is_task_id(task_id
):
73 return task_id
.startswith("TASK-")
76 class VimThreadException(Exception):
80 class VimThreadExceptionNotFound(VimThreadException
):
84 class vim_thread(threading
.Thread
):
85 REFRESH_BUILD
= 5 # 5 seconds
86 REFRESH_ACTIVE
= 60 # 1 minute
88 def __init__(self
, myvimconn
, task_lock
, name
=None, datacenter_name
=None, datacenter_tenant_id
=None,
89 db
=None, db_lock
=None, ovim
=None):
94 'host','user': host ip or name to manage and user
95 'db', 'db_lock': database class and lock to use it in exclusion
97 threading
.Thread
.__init
__(self
)
98 if isinstance(myvimconn
, vimconn
.vimconnException
):
100 self
.error_status
= "Error accesing to VIM: {}".format(myvimconn
)
103 self
.error_status
= None
104 self
.datacenter_name
= datacenter_name
105 self
.datacenter_tenant_id
= datacenter_tenant_id
108 self
.name
= vimconn
["id"] + "." + vimconn
["config"]["datacenter_tenant_id"]
112 self
.logger
= logging
.getLogger('openmano.vim.'+self
.name
)
114 self
.db_lock
= db_lock
116 self
.task_lock
= task_lock
117 self
.task_queue
= Queue
.Queue(2000)
119 self
.refresh_tasks
= []
120 """Contains time ordered task list for refreshing the status of VIM VMs and nets"""
122 self
.pending_tasks
= []
123 """Contains time ordered task list for creation, deletion of VIM VMs and nets"""
125 self
.grouped_tasks
= {}
126 """ It contains all the creation/deletion pending tasks grouped by its concrete vm, net, etc
128 - <task1> # e.g. CREATE task
129 <task2> # e.g. DELETE task
132 def _reload_vim_actions(self
):
134 Read actions from database and reload them at memory. Fill self.refresh_list, pending_list, vim_actions
137 action_completed
= False
139 old_action_key
= None
146 # get 200 (database_limit) entries each time
148 vim_actions
= self
.db
.get_rows(FROM
="vim_actions",
149 WHERE
={"datacenter_vim_id": self
.datacenter_tenant_id
,
150 "item_id>=": old_item_id
},
151 ORDER_BY
=("item_id", "item", "created_at",),
152 LIMIT
=database_limit
)
153 for task
in vim_actions
:
155 item_id
= task
["item_id"]
157 # skip the first entries that are already processed in the previous pool of 200
159 if item_id
== old_item_id
and item
== old_item
and task
["created_at"] == old_created_at
:
160 old_item_id
= False # next one will be a new un-processed task
163 action_key
= item
+ item_id
164 if old_action_key
!= action_key
:
165 if not action_completed
and task_list
:
166 # This will fill needed task parameters into memory, and insert the task if needed in
167 # self.pending_tasks or self.refresh_tasks
168 self
._insert
_pending
_tasks
(task_list
)
170 old_action_key
= action_key
171 action_completed
= False
172 elif action_completed
:
175 if task
["status"] == "SCHEDULED" or task
["action"] == "CREATE" or task
["action"] == "FIND":
176 task_list
.append(task
)
177 elif task
["action"] == "DELETE":
178 # action completed because deleted and status is not SCHEDULED. Not needed anything
179 action_completed
= True
180 if len(vim_actions
) == database_limit
:
181 # update variables for get the next database iteration
182 old_item_id
= item_id
184 old_created_at
= task
["created_at"]
187 # Last actions group need to be inserted too
188 if not action_completed
and task_list
:
189 self
._insert
_pending
_tasks
(task_list
)
190 self
.logger
.debug("reloaded vim actions pending:{} refresh:{}".format(
191 len(self
.pending_tasks
), len(self
.refresh_tasks
)))
193 def _refres_elements(self
):
194 """Call VIM to get VMs and networks status until 10 elements"""
197 vm_to_refresh_list
= []
198 net_to_refresh_list
= []
199 vm_to_refresh_dict
= {}
200 net_to_refresh_dict
= {}
202 while self
.refresh_tasks
:
203 task
= self
.refresh_tasks
[0]
205 if task
['status'] == 'SUPERSEDED':
206 self
.refresh_tasks
.pop(0)
208 if task
['modified_at'] > now
:
210 # task["status"] = "processing"
212 self
.refresh_tasks
.pop(0)
213 if task
["item"] == 'instance_vms':
214 vm_to_refresh_list
.append(task
["vim_id"])
215 vm_to_refresh_dict
[task
["vim_id"]] = task
216 elif task
["item"] == 'instance_nets':
217 net_to_refresh_list
.append(task
["vim_id"])
218 net_to_refresh_dict
[task
["vim_id"]] = task
220 error_text
= "unknown task {}".format(task
["item"])
221 self
.logger
.error(error_text
)
222 items_to_refresh
+= 1
223 if items_to_refresh
== 10:
226 if vm_to_refresh_list
:
229 vim_dict
= self
.vim
.refresh_vms_status(vm_to_refresh_list
)
230 for vim_id
, vim_info
in vim_dict
.items():
232 task_need_update
= False
233 task
= vm_to_refresh_dict
[vim_id
]
234 self
.logger
.debug("get-vm vm_id=%s result=%s", task
["vim_id"], str(vim_info
))
237 task_vim_info
= task
.get("vim_info")
238 task_error_msg
= task
.get("error_msg")
239 task_vim_status
= task
["extra"].get("vim_status")
240 if vim_info
.get("error_msg"):
241 vim_info
["error_msg"] = self
._format
_vim
_error
_msg
(vim_info
["error_msg"])
242 if task_vim_status
!= vim_info
["status"] or task_error_msg
!= vim_info
.get("error_msg") or \
243 task_vim_info
!= vim_info
.get("vim_info"):
245 temp_dict
= {"status": vim_info
["status"],
246 "error_msg": vim_info
.get("error_msg"),
247 "vim_info": vim_info
.get("vim_info")}
248 self
.db
.update_rows('instance_vms', UPDATE
=temp_dict
, WHERE
={"uuid": task
["item_id"]})
249 task
["extra"]["vim_status"] = vim_info
["status"]
250 task
["error_msg"] = vim_info
.get("error_msg")
251 task
["vim_info"] = vim_info
.get("vim_info")
252 task_need_update
= True
253 for interface
in vim_info
.get("interfaces", ()):
254 vim_interface_id
= interface
["vim_interface_id"]
255 if vim_interface_id
not in task
["extra"]["interfaces"]:
256 self
.logger
.critical("Interface not found {} on task info {}".format(
257 vim_interface_id
, task
["extra"]["interfaces"]), exc_info
=True)
259 task_interface
= task
["extra"]["interfaces"][vim_interface_id
]
260 task_vim_interface
= task
["vim_interfaces"].get(vim_interface_id
)
261 if task_vim_interface
!= interface
:
263 if task_interface
.get("sdn_port_id"):
266 self
.ovim
.delete_port(task_interface
["sdn_port_id"])
267 task_interface
["sdn_port_id"] = None
268 task_need_update
= True
269 except ovimException
as e
:
270 self
.logger
.error("ovimException deleting external_port={} ".format(
271 task_interface
["sdn_port_id"]) + str(e
), exc_info
=True)
272 # TODO Set error_msg at instance_nets
275 sdn_net_id
= task_interface
.get("sdn_net_id")
276 if sdn_net_id
and interface
.get("compute_node") and interface
.get("pci"):
277 sdn_port_name
= sdn_net_id
+ "." + task
["vim_id"]
278 sdn_port_name
= sdn_port_name
[:63]
281 sdn_port_id
= self
.ovim
.new_external_port(
282 {"compute_node": interface
["compute_node"],
283 "pci": interface
["pci"],
284 "vlan": interface
.get("vlan"),
285 "net_id": sdn_net_id
,
286 "region": self
.vim
["config"]["datacenter_id"],
287 "name": sdn_port_name
,
288 "mac": interface
.get("mac_address")})
289 task_interface
["sdn_port_id"] = sdn_port_id
290 task_need_update
= True
291 except (ovimException
, Exception) as e
:
293 "ovimException creating new_external_port compute_node={} "
294 "pci={} vlan={} ".format(
295 interface
["compute_node"],
297 interface
.get("vlan")) + str(e
),
299 # TODO Set error_msg at instance_nets
302 'instance_interfaces',
303 UPDATE
={"mac_address": interface
.get("mac_address"),
304 "ip_address": interface
.get("ip_address"),
305 "vim_info": interface
.get("vim_info"),
306 "sdn_port_id": task_interface
.get("sdn_port_id"),
307 "compute_node": interface
.get("compute_node"),
308 "pci": interface
.get("pci"),
309 "vlan": interface
.get("vlan"),
311 WHERE
={'uuid': task_interface
["iface_id"]})
312 task
["vim_interfaces"][vim_interface_id
] = interface
317 UPDATE
={"extra": yaml
.safe_dump(task
["extra"], default_flow_style
=True, width
=256),
318 "error_msg": task
.get("error_msg"), "modified_at": now
},
319 WHERE
={'instance_action_id': task
['instance_action_id'],
320 'task_index': task
['task_index']})
321 if task
["extra"].get("vim_status") == "BUILD":
322 self
._insert
_refresh
(task
, now
+ self
.REFRESH_BUILD
)
324 self
._insert
_refresh
(task
, now
+ self
.REFRESH_ACTIVE
)
325 except vimconn
.vimconnException
as e
:
326 self
.logger
.error("vimconnException Exception when trying to refresh vms " + str(e
))
327 self
._insert
_refresh
(task
, now
+ self
.REFRESH_ACTIVE
)
329 if net_to_refresh_list
:
332 vim_dict
= self
.vim
.refresh_nets_status(net_to_refresh_list
)
333 for vim_id
, vim_info
in vim_dict
.items():
335 task
= net_to_refresh_dict
[vim_id
]
336 self
.logger
.debug("get-net net_id=%s result=%s", task
["vim_id"], str(vim_info
))
338 task_vim_info
= task
.get("vim_info")
339 task_vim_status
= task
["extra"].get("vim_status")
340 task_error_msg
= task
.get("error_msg")
341 task_sdn_net_id
= task
["extra"].get("sdn_net_id")
347 sdn_net
= self
.ovim
.show_network(task_sdn_net_id
)
348 if sdn_net
["status"] == "ERROR":
349 if not vim_info
.get("error_msg"):
350 vim_info
["error_msg"] = sdn_net
["error_msg"]
352 vim_info
["error_msg"] = "VIM_ERROR: {} && SDN_ERROR: {}".format(
353 self
._format
_vim
_error
_msg
(vim_info
["error_msg"], 1024//2-14),
354 self
._format
_vim
_error
_msg
(sdn_net
["error_msg"], 1024//2-14))
355 if vim_info
["status"] == "VIM_ERROR":
356 vim_info
["status"] = "VIM_SDN_ERROR"
358 vim_info
["status"] = "SDN_ERROR"
360 except (ovimException
, Exception) as e
:
362 "ovimException getting network infor snd_net_id={}".format(task_sdn_net_id
),
364 # TODO Set error_msg at instance_nets
367 if vim_info
.get("error_msg"):
368 vim_info
["error_msg"] = self
._format
_vim
_error
_msg
(vim_info
["error_msg"])
369 if task_vim_status
!= vim_info
["status"] or task_error_msg
!= vim_info
.get("error_msg") or \
370 task_vim_info
!= vim_info
.get("vim_info"):
371 task
["extra"]["vim_status"] = vim_info
["status"]
372 task
["error_msg"] = vim_info
.get("error_msg")
373 task
["vim_info"] = vim_info
.get("vim_info")
374 temp_dict
= {"status": vim_info
["status"],
375 "error_msg": vim_info
.get("error_msg"),
376 "vim_info": vim_info
.get("vim_info")}
378 self
.db
.update_rows('instance_nets', UPDATE
=temp_dict
, WHERE
={"uuid": task
["item_id"]})
381 UPDATE
={"extra": yaml
.safe_dump(task
["extra"], default_flow_style
=True, width
=256),
382 "error_msg": task
.get("error_msg"), "modified_at": now
},
383 WHERE
={'instance_action_id': task
['instance_action_id'],
384 'task_index': task
['task_index']})
385 if task
["extra"].get("vim_status") == "BUILD":
386 self
._insert
_refresh
(task
, now
+ self
.REFRESH_BUILD
)
388 self
._insert
_refresh
(task
, now
+ self
.REFRESH_ACTIVE
)
389 except vimconn
.vimconnException
as e
:
390 self
.logger
.error("vimconnException Exception when trying to refresh nets " + str(e
))
391 self
._insert
_refresh
(task
, now
+ self
.REFRESH_ACTIVE
)
395 def _insert_refresh(self
, task
, threshold_time
=None):
396 """Insert a task at list of refreshing elements. The refreshing list is ordered by threshold_time (task['modified_at']
397 It is assumed that this is called inside this thread
401 if not threshold_time
:
402 threshold_time
= time
.time()
403 task
["modified_at"] = threshold_time
404 task_name
= task
["item"][9:] + "-" + task
["action"]
405 task_id
= task
["instance_action_id"] + "." + str(task
["task_index"])
406 for index
in range(0, len(self
.refresh_tasks
)):
407 if self
.refresh_tasks
[index
]["modified_at"] > threshold_time
:
408 self
.refresh_tasks
.insert(index
, task
)
411 index
= len(self
.refresh_tasks
)
412 self
.refresh_tasks
.append(task
)
413 self
.logger
.debug("new refresh task={} name={}, modified_at={} index={}".format(
414 task_id
, task_name
, task
["modified_at"], index
))
416 def _remove_refresh(self
, task_name
, vim_id
):
417 """Remove a task with this name and vim_id from the list of refreshing elements.
418 It is assumed that this is called inside this thread outside _refres_elements method
419 Return True if self.refresh_list is modified, task is found
420 Return False if not found
422 index_to_delete
= None
423 for index
in range(0, len(self
.refresh_tasks
)):
424 if self
.refresh_tasks
[index
]["name"] == task_name
and self
.refresh_tasks
[index
]["vim_id"] == vim_id
:
425 index_to_delete
= index
429 if index_to_delete
!= None:
430 del self
.refresh_tasks
[index_to_delete
]
433 def _proccess_pending_tasks(self
):
436 while self
.pending_tasks
:
437 task
= self
.pending_tasks
.pop(0)
440 # check if tasks that this depends on have been completed
441 dependency_not_completed
= False
442 for task_index
in task
["extra"].get("depends_on", ()):
443 task_dependency
= task
["depends"].get("TASK-" + str(task_index
))
444 if not task_dependency
:
445 task_dependency
= self
._look
_for
_task
(task
["instance_action_id"], "TASK-" + str(task_index
))
446 if not task_dependency
:
447 raise VimThreadException(
448 "Cannot get depending net task trying to get depending task {}.{}".format(
449 task
["instance_action_id"], task_index
))
450 # task["depends"]["TASK-" + str(task_index)] = task_dependency #it references another object,so database must be look again
451 if task_dependency
["status"] == "SCHEDULED":
452 dependency_not_completed
= True
454 elif task_dependency
["status"] == "FAILED":
455 raise VimThreadException(
456 "Cannot {} {}, task {}.{} {} because depends on failed {} {}, task{}.{}"
457 "task {}.{}".format(task
["action"], task
["item"],
458 task
["instance_action_id"], task
["task_index"],
459 task_dependency
["instance_action_id"], task_dependency
["task_index"],
460 task_dependency
["action"], task_dependency
["item"] ))
461 if dependency_not_completed
:
462 # Move this task to the end.
463 task
["extra"]["tries"] = task
["extra"].get("tries", 0) + 1
464 if task
["extra"]["tries"] <= 3:
465 self
.pending_tasks
.append(task
)
468 raise VimThreadException(
469 "Cannot {} {}, (task {}.{}) because timeout waiting to complete {} {}, "
470 "(task {}.{})".format(task
["action"], task
["item"],
471 task
["instance_action_id"], task
["task_index"],
472 task_dependency
["instance_action_id"], task_dependency
["task_index"],
473 task_dependency
["action"], task_dependency
["item"]))
475 if task
["status"] == "SUPERSEDED":
476 # not needed to do anything but update database with the new status
478 database_update
= None
480 task
["status"] == "ERROR"
481 task
["error_msg"] = self
.error_status
483 database_update
= {"status": "VIM_ERROR", "error_msg": task
["error_msg"]}
484 elif task
["item"] == 'instance_vms':
485 if task
["action"] == "CREATE":
486 result
, database_update
= self
.new_vm(task
)
488 elif task
["action"] == "DELETE":
489 result
, database_update
= self
.del_vm(task
)
491 raise vimconn
.vimconnException(self
.name
+ "unknown task action {}".format(task
["action"]))
492 elif task
["item"] == 'instance_nets':
493 if task
["action"] == "CREATE":
494 result
, database_update
= self
.new_net(task
)
496 elif task
["action"] == "DELETE":
497 result
, database_update
= self
.del_net(task
)
498 elif task
["action"] == "FIND":
499 result
, database_update
= self
.get_net(task
)
501 raise vimconn
.vimconnException(self
.name
+ "unknown task action {}".format(task
["action"]))
503 raise vimconn
.vimconnException(self
.name
+ "unknown task item {}".format(task
["item"]))
505 except VimThreadException
as e
:
507 task
["error_msg"] = str(e
)
508 task
["status"] = "FAILED"
509 database_update
= {"status": "VIM_ERROR", "vim_vm_id": None, "error_msg": task
["error_msg"]}
511 if task
["action"] == "DELETE":
512 action_key
= task
["item"] + task
["item_id"]
513 del self
.grouped_tasks
[action_key
]
514 elif task
["action"] in ("CREATE", "FIND") and task
["status"] in ("DONE", "BUILD"):
515 self
._insert
_refresh
(task
)
517 self
.logger
.debug("vim_action id={}.{} item={} action={} result={}:{} params={}".format(
518 task
["instance_action_id"], task
["task_index"], task
["item"], task
["action"],
519 task
["status"], task
["vim_id"] if task
["status"] == "DONE" else task
.get("error_msg"),
526 UPDATE
={"status": task
["status"], "vim_id": task
.get("vim_id"), "modified_at": now
,
527 "error_msg": task
["error_msg"],
528 "extra": yaml
.safe_dump(task
["extra"], default_flow_style
=True, width
=256)},
529 WHERE
={"instance_action_id": task
["instance_action_id"], "task_index": task
["task_index"]})
530 if result
is not None:
532 table
="instance_actions",
533 UPDATE
={("number_done" if result
else "number_failed"): {"INCREMENT": 1},
535 WHERE
={"uuid": task
["instance_action_id"]})
537 self
.db
.update_rows(table
=task
["item"],
538 UPDATE
=database_update
,
539 WHERE
={"uuid": task
["item_id"]})
540 except db_base_Exception
as e
:
541 self
.logger
.error("Error updating database %s", str(e
), exc_info
=True)
547 def _insert_pending_tasks(self
, vim_actions_list
):
549 for task
in vim_actions_list
:
550 if task
["datacenter_vim_id"] != self
.datacenter_tenant_id
:
553 item_id
= task
["item_id"]
554 action_key
= item
+ item_id
555 if action_key
not in self
.grouped_tasks
:
556 self
.grouped_tasks
[action_key
] = []
557 task
["params"] = None
560 extra
= yaml
.load(task
["extra"])
561 task
["extra"] = extra
562 task
["params"] = extra
.get("params")
563 depends_on_list
= extra
.get("depends_on")
565 for index
in depends_on_list
:
566 if index
< len(vim_actions_list
) and vim_actions_list
[index
]["task_index"] == index
and\
567 vim_actions_list
[index
]["instance_action_id"] == task
["instance_action_id"]:
568 task
["depends"]["TASK-" + str(index
)] = vim_actions_list
[index
]
569 if extra
.get("interfaces"):
570 task
["vim_interfaces"] = {}
573 if "error_msg" not in task
:
574 task
["error_msg"] = None
575 if "vim_id" not in task
:
576 task
["vim_id"] = None
578 if task
["action"] == "DELETE":
579 need_delete_action
= False
580 for to_supersede
in self
.grouped_tasks
.get(action_key
, ()):
581 if to_supersede
["action"] == "FIND" and to_supersede
.get("vim_id"):
582 task
["vim_id"] = to_supersede
["vim_id"]
583 if to_supersede
["action"] == "CREATE" and to_supersede
.get("vim_id") and \
584 to_supersede
["extra"].get("created", True):
585 need_delete_action
= True
586 task
["vim_id"] = to_supersede
["vim_id"]
587 if to_supersede
["extra"].get("sdn_vim_id"):
588 task
["extra"]["sdn_vim_id"] = to_supersede
["extra"]["sdn_vim_id"]
589 if to_supersede
["extra"].get("interfaces"):
590 task
["extra"]["interfaces"] = to_supersede
["extra"]["interfaces"]
591 if to_supersede
["extra"].get("created_items"):
592 if not task
["extra"].get("created_items"):
593 task
["extra"]["created_items"] = {}
594 task
["extra"]["created_items"].update(to_supersede
["extra"]["created_items"])
595 # Mark task as SUPERSEDED.
596 # If task is in self.pending_tasks, it will be removed and database will be update
597 # If task is in self.refresh_tasks, it will be removed
598 to_supersede
["status"] = "SUPERSEDED"
599 if not need_delete_action
:
600 task
["status"] = "SUPERSEDED"
602 self
.grouped_tasks
[action_key
].append(task
)
603 self
.pending_tasks
.append(task
)
604 elif task
["status"] == "SCHEDULED":
605 self
.grouped_tasks
[action_key
].append(task
)
606 self
.pending_tasks
.append(task
)
607 elif task
["action"] in ("CREATE", "FIND"):
608 self
.grouped_tasks
[action_key
].append(task
)
609 if task
["status"] in ("DONE", "BUILD"):
610 self
._insert
_refresh
(task
)
611 # TODO add VM reset, get console, etc...
613 raise vimconn
.vimconnException(self
.name
+ "unknown vim_action action {}".format(task
["action"]))
615 def insert_task(self
, task
):
617 self
.task_queue
.put(task
, False)
620 raise vimconn
.vimconnException(self
.name
+ ": timeout inserting a task")
622 def del_task(self
, task
):
624 if task
["status"] == "SCHEDULED":
625 task
["status"] == "SUPERSEDED"
627 else: # task["status"] == "processing"
628 self
.task_lock
.release()
632 self
.logger
.debug("Starting")
634 self
._reload
_vim
_actions
()
635 reload_thread
= False
638 while not self
.task_queue
.empty():
639 task
= self
.task_queue
.get()
640 if isinstance(task
, list):
641 self
._insert
_pending
_tasks
(task
)
642 elif isinstance(task
, str):
645 elif task
== 'reload':
648 self
.task_queue
.task_done()
651 nb_processed
= self
._proccess
_pending
_tasks
()
652 nb_processed
+= self
._refres
_elements
()
656 except Exception as e
:
657 self
.logger
.critical("Unexpected exception at run: " + str(e
), exc_info
=True)
659 self
.logger
.debug("Finishing")
661 def terminate(self
, task
):
664 def _look_for_task(self
, instance_action_id
, task_id
):
665 task_index
= task_id
.split("-")[-1]
667 tasks
= self
.db
.get_rows(FROM
="vim_actions", WHERE
={"instance_action_id": instance_action_id
,
668 "task_index": task_index
})
672 task
["params"] = None
675 extra
= yaml
.load(task
["extra"])
676 task
["extra"] = extra
677 task
["params"] = extra
.get("params")
678 if extra
.get("interfaces"):
679 task
["vim_interfaces"] = {}
684 def _format_vim_error_msg(self
, error_text
, max_length
=1024):
685 if error_text
and len(error_text
) >= max_length
:
686 return error_text
[:max_length
//2-3] + " ... " + error_text
[-max_length
//2+3:]
689 def new_vm(self
, task
):
691 params
= task
["params"]
692 task_id
= task
["instance_action_id"] + "." + str(task
["task_index"])
693 depends
= task
.get("depends")
697 if "net_id" in net
and is_task_id(net
["net_id"]): # change task_id into network_id
698 task_dependency
= task
["depends"].get(net
["net_id"])
699 if not task_dependency
:
700 task_dependency
= self
._look
_for
_task
(task
["instance_action_id"], net
["net_id"])
701 if not task_dependency
:
702 raise VimThreadException(
703 "Cannot get depending net task trying to get depending task {}.{}".format(
704 task
["instance_action_id"], net
["net_id"]))
705 network_id
= task_dependency
.get("vim_id")
707 raise VimThreadException(
708 "Cannot create VM because depends on a network not created or found: " +
709 str(depends
[net
["net_id"]]["error_msg"]))
710 net
["net_id"] = network_id
711 vim_vm_id
, created_items
= self
.vim
.new_vminstance(*params
)
713 # fill task_interfaces. Look for snd_net_id at database for each interface
715 for iface
in net_list
:
716 task_interfaces
[iface
["vim_id"]] = {"iface_id": iface
["uuid"]}
718 result
= self
.db
.get_rows(SELECT
=('sdn_net_id',),
719 FROM
='instance_nets as ine join instance_interfaces as ii on ii.instance_net_id=ine.uuid',
720 WHERE
={'ii.uuid': iface
["uuid"]})
722 task_interfaces
[iface
["vim_id"]]["sdn_net_id"] = result
[0]['sdn_net_id']
724 self
.logger
.critical("Error creating VM, task=%s Network {} not found at DB", task_id
,
725 iface
["uuid"], exc_info
=True)
727 task
["vim_info"] = {}
728 task
["vim_interfaces"] = {}
729 task
["extra"]["interfaces"] = task_interfaces
730 task
["extra"]["created"] = True
731 task
["extra"]["created_items"] = created_items
732 task
["error_msg"] = None
733 task
["status"] = "DONE"
734 task
["vim_id"] = vim_vm_id
735 instance_element_update
= {"status": "BUILD", "vim_vm_id": vim_vm_id
, "error_msg": None}
736 return True, instance_element_update
738 except (vimconn
.vimconnException
, VimThreadException
) as e
:
739 self
.logger
.error("Error creating VM, task=%s: %s", task_id
, str(e
))
740 error_text
= self
._format
_vim
_error
_msg
(str(e
))
741 task
["error_msg"] = error_text
742 task
["status"] = "FAILED"
743 task
["vim_id"] = None
744 instance_element_update
= {"status": "VIM_ERROR", "vim_vm_id": None, "error_msg": error_text
}
745 return False, instance_element_update
747 def del_vm(self
, task
):
748 vm_vim_id
= task
["vim_id"]
749 interfaces
= task
["extra"].get("interfaces", ())
751 for iface
in interfaces
.values():
752 if iface
.get("sdn_port_id"):
755 self
.ovim
.delete_port(iface
["sdn_port_id"])
756 except ovimException
as e
:
757 self
.logger
.error("ovimException deleting external_port={} at VM vim_id={} deletion ".format(
758 iface
["sdn_port_id"], vm_vim_id
) + str(e
), exc_info
=True)
759 # TODO Set error_msg at instance_nets
761 self
.vim
.delete_vminstance(vm_vim_id
, task
["extra"].get("created_items"))
762 task
["status"] = "DONE"
763 task
["error_msg"] = None
766 except vimconn
.vimconnException
as e
:
767 task
["error_msg"] = self
._format
_vim
_error
_msg
(str(e
))
768 if isinstance(e
, vimconn
.vimconnNotFoundException
):
769 # If not found mark as Done and fill error_msg
770 task
["status"] = "DONE"
772 task
["status"] = "FAILED"
775 def _get_net_internal(self
, task
, filter_param
):
777 Common code for get_net and new_net. It looks for a network on VIM with the filter_params
778 :param task: task for this find or find-or-create action
779 :param filter_param: parameters to send to the vimconnector
780 :return: a dict with the content to update the instance_nets database table. Raises an exception on error, or
781 when network is not found or found more than one
783 vim_nets
= self
.vim
.get_network_list(filter_param
)
785 raise VimThreadExceptionNotFound("Network not found with this criteria: '{}'".format(filter))
786 elif len(vim_nets
) > 1:
787 raise VimThreadException("More than one network found with this criteria: '{}'".format(filter))
788 vim_net_id
= vim_nets
[0]["id"]
790 # Discover if this network is managed by a sdn controller
793 result
= self
.db
.get_rows(SELECT
=('sdn_net_id',), FROM
='instance_nets',
794 WHERE
={'vim_net_id': vim_net_id
, 'instance_scenario_id': None,
795 'datacenter_tenant_id': self
.datacenter_tenant_id
})
797 sdn_net_id
= result
[0]['sdn_net_id']
799 task
["status"] = "DONE"
800 task
["extra"]["vim_info"] = {}
801 task
["extra"]["created"] = False
802 task
["extra"]["sdn_net_id"] = sdn_net_id
803 task
["error_msg"] = None
804 task
["vim_id"] = vim_net_id
805 instance_element_update
= {"vim_net_id": vim_net_id
, "created": False, "status": "BUILD",
807 return instance_element_update
809 def get_net(self
, task
):
811 task_id
= task
["instance_action_id"] + "." + str(task
["task_index"])
812 params
= task
["params"]
813 filter_param
= params
[0]
814 instance_element_update
= self
._get
_net
_internal
(task
, filter_param
)
815 return True, instance_element_update
817 except (vimconn
.vimconnException
, VimThreadException
) as e
:
818 self
.logger
.error("Error looking for NET, task=%s: %s", str(task_id
), str(e
))
819 task
["status"] = "FAILED"
820 task
["vim_id"] = None
821 task
["error_msg"] = self
._format
_vim
_error
_msg
(str(e
))
822 instance_element_update
= {"vim_net_id": None, "status": "VIM_ERROR",
823 "error_msg": task
["error_msg"]}
824 return False, instance_element_update
826 def new_net(self
, task
):
828 task_id
= task
["instance_action_id"] + "." + str(task
["task_index"])
830 if task
["extra"].get("find"):
831 action_text
= "finding"
832 filter_param
= task
["extra"]["find"][0]
834 instance_element_update
= self
._get
_net
_internal
(task
, filter_param
)
835 return True, instance_element_update
836 except VimThreadExceptionNotFound
:
839 params
= task
["params"]
840 action_text
= "creating"
841 vim_net_id
= self
.vim
.new_network(*params
)
847 sdn_controller
= self
.vim
.config
.get('sdn-controller')
848 if sdn_controller
and (net_type
== "data" or net_type
== "ptp"):
849 network
= {"name": net_name
, "type": net_type
, "region": self
.vim
["config"]["datacenter_id"]}
851 vim_net
= self
.vim
.get_network(vim_net_id
)
852 if vim_net
.get('encapsulation') != 'vlan':
853 raise vimconn
.vimconnException(
854 "net '{}' defined as type '{}' has not vlan encapsulation '{}'".format(
855 net_name
, net_type
, vim_net
['encapsulation']))
856 network
["vlan"] = vim_net
.get('segmentation_id')
859 sdn_net_id
= self
.ovim
.new_network(network
)
860 except (ovimException
, Exception) as e
:
861 self
.logger
.error("task=%s cannot create SDN network vim_net_id=%s input='%s' ovimException='%s'",
862 str(task_id
), vim_net_id
, str(network
), str(e
))
863 task
["status"] = "DONE"
864 task
["extra"]["vim_info"] = {}
865 task
["extra"]["sdn_net_id"] = sdn_net_id
866 task
["extra"]["created"] = True
867 task
["error_msg"] = None
868 task
["vim_id"] = vim_net_id
869 instance_element_update
= {"vim_net_id": vim_net_id
, "sdn_net_id": sdn_net_id
, "status": "BUILD",
870 "created": True, "error_msg": None}
871 return True, instance_element_update
872 except vimconn
.vimconnException
as e
:
873 self
.logger
.error("Error {} NET, task=%s: %s", action_text
, str(task_id
), str(e
))
874 task
["status"] = "FAILED"
875 task
["vim_id"] = None
876 task
["error_msg"] = self
._format
_vim
_error
_msg
(str(e
))
877 instance_element_update
= {"vim_net_id": None, "sdn_net_id": None, "status": "VIM_ERROR",
878 "error_msg": task
["error_msg"]}
879 return False, instance_element_update
881 def del_net(self
, task
):
882 net_vim_id
= task
["vim_id"]
883 sdn_net_id
= task
["extra"].get("sdn_net_id")
886 # Delete any attached port to this sdn network. There can be ports associated to this network in case
887 # it was manually done using 'openmano vim-net-sdn-attach'
889 port_list
= self
.ovim
.get_ports(columns
={'uuid'},
890 filter={'name': 'external_port', 'net_id': sdn_net_id
})
891 for port
in port_list
:
892 self
.ovim
.delete_port(port
['uuid'])
893 self
.ovim
.delete_network(sdn_net_id
)
894 self
.vim
.delete_network(net_vim_id
)
895 task
["status"] = "DONE"
896 task
["error_msg"] = None
898 except ovimException
as e
:
899 task
["error_msg"] = self
._format
_vim
_error
_msg
("ovimException obtaining and deleting external "
900 "ports for net {}: {}".format(sdn_net_id
, str(e
)))
901 except vimconn
.vimconnException
as e
:
902 task
["error_msg"] = self
._format
_vim
_error
_msg
(str(e
))
903 if isinstance(e
, vimconn
.vimconnNotFoundException
):
904 # If not found mark as Done and fill error_msg
905 task
["status"] = "DONE"
907 task
["status"] = "FAILED"