8a987ac2158601c3c69af45d9fbfc1c13d0c1c54
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 interact with the host and the libvirt to manage VM
26 One thread will be launched per host
34 from db_base
import db_base_Exception
35 from lib_osm_openvim
.ovim
import ovimException
37 __author__
= "Alfonso Tierno, Pablo Montes"
38 __date__
= "$10-feb-2017 12:07:15$"
40 # from logging import Logger
41 # import auxiliary_functions as af
44 def is_task_id(task_id
):
45 return True if task_id
[:5] == "TASK." else False
48 class vim_thread(threading
.Thread
):
50 def __init__(self
, vimconn
, task_lock
, name
=None, datacenter_name
=None, datacenter_tenant_id
=None,
51 db
=None, db_lock
=None, ovim
=None):
56 'host','user': host ip or name to manage and user
57 'db', 'db_lock': database class and lock to use it in exclusion
60 """ It will contain a dictionary with
62 status: enqueued,done,error,deleted,processing
65 threading
.Thread
.__init
__(self
)
67 self
.datacenter_name
= datacenter_name
68 self
.datacenter_tenant_id
= datacenter_tenant_id
71 self
.name
= vimconn
["id"] + "." + vimconn
["config"]["datacenter_tenant_id"]
75 self
.logger
= logging
.getLogger('openmano.vim.'+self
.name
)
77 self
.db_lock
= db_lock
79 self
.task_lock
= task_lock
80 self
.task_queue
= Queue
.Queue(2000)
81 self
.refresh_list
= []
82 """Contains time ordered task list for refreshing the status of VIM VMs and nets"""
84 def _refres_elements(self
):
85 """Call VIM to get VMs and networks status until 10 elements"""
87 vm_to_refresh_list
= []
88 net_to_refresh_list
= []
89 vm_to_refresh_dict
= {}
90 net_to_refresh_dict
= {}
92 while self
.refresh_list
:
93 task
= self
.refresh_list
[0]
95 if task
['status'] == 'deleted':
96 self
.refresh_list
.pop(0)
98 if task
['time'] > now
:
100 task
["status"] = "processing"
101 self
.refresh_list
.pop(0)
102 if task
["name"] == 'get-vm':
103 vm_to_refresh_list
.append(task
["vim_id"])
104 vm_to_refresh_dict
[task
["vim_id"]] = task
105 elif task
["name"] == 'get-net':
106 net_to_refresh_list
.append(task
["vim_id"])
107 net_to_refresh_dict
[task
["vim_id"]] = task
109 error_text
= "unknown task {}".format(task
["name"])
110 self
.logger
.error(error_text
)
111 items_to_refresh
+= 1
112 if items_to_refresh
== 10:
115 if vm_to_refresh_list
:
117 vim_dict
= self
.vim
.refresh_vms_status(vm_to_refresh_list
)
118 for vim_id
, vim_info
in vim_dict
.items():
120 task
= vm_to_refresh_dict
[vim_id
]
121 self
.logger
.debug("get-vm vm_id=%s result=%s", task
["vim_id"], str(vim_info
))
124 if vim_info
.get("error_msg"):
125 vim_info
["error_msg"] = self
._format
_vim
_error
_msg
(vim_info
["error_msg"])
126 if task
["vim_info"].get("status") != vim_info
["status"] or \
127 task
["vim_info"].get("error_msg") != vim_info
.get("error_msg") or \
128 task
["vim_info"].get("vim_info") != vim_info
["vim_info"]:
130 temp_dict
= {"status": vim_info
["status"],
131 "error_msg": vim_info
.get("error_msg"),
132 "vim_info": vim_info
["vim_info"]}
133 self
.db
.update_rows('instance_vms', UPDATE
=temp_dict
, WHERE
={"vim_vm_id": vim_id
})
134 for interface
in vim_info
["interfaces"]:
135 for task_interface
in task
["vim_info"]["interfaces"]:
136 if task_interface
["vim_net_id"] == interface
["vim_net_id"]:
139 task_interface
= {"vim_net_id": interface
["vim_net_id"]}
140 task
["vim_info"]["interfaces"].append(task_interface
)
141 if task_interface
!= interface
:
143 if task_interface
.get("sdn_port_id"):
145 self
.ovim
.delete_port(task_interface
["sdn_port_id"])
146 task_interface
["sdn_port_id"] = None
147 except ovimException
as e
:
148 self
.logger
.error("ovimException deleting external_port={} ".format(
149 task_interface
["sdn_port_id"]) + str(e
), exc_info
=True)
150 # TODO Set error_msg at instance_nets
151 vim_net_id
= interface
["vim_net_id"]
155 where_
= {'iv.vim_vm_id': vim_id
, "ine.vim_net_id": vim_net_id
,
156 'ine.datacenter_tenant_id': self
.datacenter_tenant_id
}
157 # TODO check why vim_interface_id is not present at database
158 # if interface.get("vim_interface_id"):
159 # where_["vim_interface_id"] = interface["vim_interface_id"]
160 db_ifaces
= self
.db
.get_rows(
161 FROM
="instance_interfaces as ii left join instance_nets as ine on "
162 "ii.instance_net_id=ine.uuid left join instance_vms as iv on "
163 "ii.instance_vm_id=iv.uuid",
164 SELECT
=("ii.uuid as iface_id", "ine.uuid as net_id", "iv.uuid as vm_id", "sdn_net_id", "vim_net_id"),
167 self
.logger
.critical("Refresing interfaces. "
168 "Found more than one interface at database for '{}'".format(where_
))
169 elif len(db_ifaces
)==0:
170 self
.logger
.critical("Refresing interfaces. "
171 "Not found any interface at database for '{}'".format(where_
))
174 db_iface
= db_ifaces
[0]
175 #If there is no sdn_net_id, check if it is because an already created vim network is being used
176 #in that case, the sdn_net_id will be in that entry of the instance_nets table
177 if not db_iface
.get("sdn_net_id"):
178 result
= self
.db
.get_rows(SELECT
=('sdn_net_id',), FROM
='instance_nets',
179 WHERE
={'vim_net_id': db_iface
.get("vim_net_id"), 'instance_scenario_id': None, "datacenter_tenant_id": self
.datacenter_tenant_id
})
181 db_iface
["sdn_net_id"] = result
[0]['sdn_net_id']
183 if db_iface
.get("sdn_net_id") and interface
.get("compute_node") and interface
.get("pci"):
184 sdn_net_id
= db_iface
["sdn_net_id"]
185 sdn_port_name
= sdn_net_id
+ "." + db_iface
["vm_id"]
186 sdn_port_name
= sdn_port_name
[:63]
188 sdn_port_id
= self
.ovim
.new_external_port(
189 {"compute_node": interface
["compute_node"],
190 "pci": interface
["pci"],
191 "vlan": interface
.get("vlan"),
192 "net_id": sdn_net_id
,
193 "region": self
.vim
["config"]["datacenter_id"],
194 "name": sdn_port_name
,
195 "mac": interface
.get("mac_address")})
196 interface
["sdn_port_id"] = sdn_port_id
197 except (ovimException
, Exception) as e
:
199 "ovimException creating new_external_port compute_node={} " \
200 "pci={} vlan={} ".format(
201 interface
["compute_node"],
203 interface
.get("vlan")) + str(e
),
205 # TODO Set error_msg at instance_nets
207 vim_net_id
= interface
.pop("vim_net_id")
208 self
.db
.update_rows('instance_interfaces', UPDATE
=interface
,
209 WHERE
={'uuid': db_iface
["iface_id"]})
210 interface
["vim_net_id"] = vim_net_id
211 # TODO insert instance_id
213 task
["vim_info"] = vim_info
214 if task
["vim_info"]["status"] == "BUILD":
215 self
._insert
_refresh
(task
, now
+5) # 5seconds
217 self
._insert
_refresh
(task
, now
+300) # 5minutes
218 except vimconn
.vimconnException
as e
:
219 self
.logger
.error("vimconnException Exception when trying to refresh vms " + str(e
))
220 self
._insert
_refresh
(task
, now
+ 300) # 5minutes
222 if net_to_refresh_list
:
224 vim_dict
= self
.vim
.refresh_nets_status(net_to_refresh_list
)
225 for vim_id
, vim_info
in vim_dict
.items():
227 task
= net_to_refresh_dict
[vim_id
]
228 self
.logger
.debug("get-net net_id=%s result=%s", task
["vim_id"], str(vim_info
))
231 where_
= {"vim_net_id": vim_id
, 'datacenter_tenant_id': self
.datacenter_tenant_id
}
233 db_nets
= self
.db
.get_rows(
234 FROM
="instance_nets",
235 SELECT
=("uuid as net_id", "sdn_net_id"),
238 self
.logger
.critical("Refresing networks. "
239 "Found more than one instance-networks at database for '{}'".format(where_
))
240 elif len(db_nets
) == 0:
241 self
.logger
.critical("Refresing networks. "
242 "Not found any instance-network at database for '{}'".format(where_
))
246 if db_net
.get("sdn_net_id"):
249 sdn_net
= self
.ovim
.show_network(db_net
["sdn_net_id"])
250 if sdn_net
["status"] == "ERROR":
251 if not vim_info
.get("error_msg"):
252 vim_info
["error_msg"] = sdn_net
["error_msg"]
254 vim_info
["error_msg"] = "VIM_ERROR: {} && SDN_ERROR: {}".format(
255 self
._format
_vim
_error
_msg
(vim_info
["error_msg"], 1024//2-14),
256 self
._format
_vim
_error
_msg
(sdn_net
["error_msg"], 1024//2-14))
257 if vim_info
["status"] == "VIM_ERROR":
258 vim_info
["status"] = "VIM_SDN_ERROR"
260 vim_info
["status"] = "SDN_ERROR"
262 except (ovimException
, Exception) as e
:
264 "ovimException getting network infor snd_net_id={}".format(db_net
["sdn_net_id"]),
266 # TODO Set error_msg at instance_nets
269 if vim_info
.get("error_msg"):
270 vim_info
["error_msg"] = self
._format
_vim
_error
_msg
(vim_info
["error_msg"])
271 if task
["vim_info"].get("status") != vim_info
["status"] or \
272 task
["vim_info"].get("error_msg") != vim_info
.get("error_msg") or \
273 task
["vim_info"].get("vim_info") != vim_info
["vim_info"]:
275 temp_dict
= {"status": vim_info
["status"],
276 "error_msg": vim_info
.get("error_msg"),
277 "vim_info": vim_info
["vim_info"]}
278 self
.db
.update_rows('instance_nets', UPDATE
=temp_dict
, WHERE
={"vim_net_id": vim_id
})
280 task
["vim_info"] = vim_info
281 if task
["vim_info"]["status"] == "BUILD":
282 self
._insert
_refresh
(task
, now
+5) # 5seconds
284 self
._insert
_refresh
(task
, now
+300) # 5minutes
285 except vimconn
.vimconnException
as e
:
286 self
.logger
.error("vimconnException Exception when trying to refresh nets " + str(e
))
287 self
._insert
_refresh
(task
, now
+ 300) # 5minutes
289 if not items_to_refresh
:
292 def _insert_refresh(self
, task
, threshold_time
):
293 """Insert a task at list of refreshing elements. The refreshing list is ordered by threshold_time (task['time']
294 It is assumed that this is called inside this thread
296 task
["time"] = threshold_time
297 for index
in range(0, len(self
.refresh_list
)):
298 if self
.refresh_list
[index
]["time"] > threshold_time
:
299 self
.refresh_list
.insert(index
, task
)
302 index
= len(self
.refresh_list
)
303 self
.refresh_list
.append(task
)
304 self
.logger
.debug("new refresh task={} name={}, time={} index={}".format(
305 task
["id"], task
["name"], task
["time"], index
))
307 def _remove_refresh(self
, task_name
, vim_id
):
308 """Remove a task with this name and vim_id from the list of refreshing elements.
309 It is assumed that this is called inside this thread outside _refres_elements method
310 Return True if self.refresh_list is modified, task is found
311 Return False if not found
313 index_to_delete
= None
314 for index
in range(0, len(self
.refresh_list
)):
315 if self
.refresh_list
[index
]["name"] == task_name
and self
.refresh_list
[index
]["vim_id"] == vim_id
:
316 index_to_delete
= index
320 if index_to_delete
!= None:
321 del self
.refresh_list
[index_to_delete
]
324 def insert_task(self
, task
):
326 self
.task_queue
.put(task
, False)
329 raise vimconn
.vimconnException(self
.name
+ ": timeout inserting a task")
331 def del_task(self
, task
):
333 if task
["status"] == "enqueued":
334 task
["status"] == "deleted"
336 else: # task["status"] == "processing"
337 self
.task_lock
.release()
341 self
.logger
.debug("Starting")
346 if not self
.task_queue
.empty():
347 task
= self
.task_queue
.get()
348 self
.task_lock
.acquire()
349 if task
["status"] == "deleted":
350 self
.task_lock
.release()
352 task
["status"] = "processing"
353 self
.task_lock
.release()
355 self
._refres
_elements
()
357 self
.logger
.debug("processing task id={} name={} params={}".format(task
["id"], task
["name"],
358 str(task
["params"])))
359 if task
["name"] == 'exit' or task
["name"] == 'reload':
360 result
, content
= self
.terminate(task
)
361 elif task
["name"] == 'new-vm':
362 result
, content
= self
.new_vm(task
)
363 elif task
["name"] == 'del-vm':
364 result
, content
= self
.del_vm(task
)
365 elif task
["name"] == 'new-net':
366 result
, content
= self
.new_net(task
)
367 elif task
["name"] == 'del-net':
368 result
, content
= self
.del_net(task
)
370 error_text
= "unknown task {}".format(task
["name"])
371 self
.logger
.error(error_text
)
374 self
.logger
.debug("task id={} name={} result={}:{} params={}".format(task
["id"], task
["name"],
376 str(task
["params"])))
379 task
["status"] = "done" if result
else "error"
380 task
["result"] = content
381 self
.task_queue
.task_done()
383 if task
["name"] == 'exit':
385 elif task
["name"] == 'reload':
387 except Exception as e
:
388 self
.logger
.critical("Unexpected exception at run: " + str(e
), exc_info
=True)
390 self
.logger
.debug("Finishing")
392 def terminate(self
, task
):
395 def _format_vim_error_msg(self
, error_text
, max_length
=1024):
396 if error_text
and len(error_text
) >= max_length
:
397 return error_text
[:max_length
//2-3] + " ... " + error_text
[-max_length
//2+3:]
400 def new_net(self
, task
):
403 params
= task
["params"]
404 net_id
= self
.vim
.new_network(*params
)
411 sdn_controller
= self
.vim
.config
.get('sdn-controller')
412 if sdn_controller
and (net_type
== "data" or net_type
== "ptp"):
413 network
= {"name": net_name
, "type": net_type
}
415 vim_net
= self
.vim
.get_network(net_id
)
416 if vim_net
.get('encapsulation') != 'vlan':
417 raise vimconn
.vimconnException(
418 "net '{}' defined as type '{}' has not vlan encapsulation '{}'".format(
419 net_name
, net_type
, vim_net
['encapsulation']))
420 network
["vlan"] = vim_net
.get('segmentation_id')
422 sdn_net_id
= self
.ovim
.new_network(network
)
423 except (ovimException
, Exception) as e
:
424 self
.logger
.error("task=%s cannot create SDN network vim_net_id=%s input='%s' ovimException='%s'",
425 str(task_id
), net_id
, str(network
), str(e
))
427 self
.db
.update_rows("instance_nets", UPDATE
={"vim_net_id": net_id
, "sdn_net_id": sdn_net_id
},
428 WHERE
={"vim_net_id": task_id
})
429 new_refresh_task
= {"status": "enqueued",
434 self
._insert
_refresh
(new_refresh_task
, time
.time())
436 except db_base_Exception
as e
:
437 self
.logger
.error("Error updating database %s", str(e
))
439 except vimconn
.vimconnException
as e
:
440 self
.logger
.error("Error creating NET, task=%s: %s", str(task_id
), str(e
))
443 self
.db
.update_rows("instance_nets",
444 UPDATE
={"error_msg": self
._format
_vim
_error
_msg
(str(e
)), "status": "VIM_ERROR"},
445 WHERE
={"vim_net_id": task_id
})
446 except db_base_Exception
as e
:
447 self
.logger
.error("Error updating database %s", str(e
))
449 #except ovimException as e:
450 # self.logger.error("Error creating NET in ovim, task=%s: %s", str(task_id), str(e))
451 # return False, str(e)
453 def new_vm(self
, task
):
455 params
= task
["params"]
457 depends
= task
.get("depends")
461 if "net_id" in net
and is_task_id(net
["net_id"]): # change task_id into network_id
463 task_net
= depends
[net
["net_id"]]
465 if task_net
["status"] == "error":
466 error_text
= "Cannot create VM because depends on a network that cannot be created: " +\
467 str(task_net
["result"])
469 elif task_net
["status"] == "enqueued" or task_net
["status"] == "processing":
470 error_text
= "Cannot create VM because depends on a network still not created"
472 network_id
= task_net
["result"]
473 net
["net_id"] = network_id
474 except Exception as e
:
475 error_text
= "Error trying to map from task_id={} to task result: {}".format(
476 net
["net_id"],str(e
))
479 vm_id
= self
.vim
.new_vminstance(*params
)
483 update
= self
.db
.update_rows("instance_vms",
484 UPDATE
={"status": "VIM_ERROR", "error_msg": error_text
},
485 WHERE
={"vim_vm_id": task_id
})
487 update
= self
.db
.update_rows("instance_vms", UPDATE
={"vim_vm_id": vm_id
}, WHERE
={"vim_vm_id": task_id
})
489 self
.logger
.error("task id={} name={} database not updated vim_vm_id={}".format(
490 task
["id"], task
["name"], vm_id
))
491 except db_base_Exception
as e
:
492 self
.logger
.error("Error updating database %s", str(e
))
494 return False, error_text
495 new_refresh_task
= {"status": "enqueued",
499 "vim_info": {"interfaces":[]} }
500 self
._insert
_refresh
(new_refresh_task
, time
.time())
502 except vimconn
.vimconnException
as e
:
503 self
.logger
.error("Error creating VM, task=%s: %s", str(task_id
), str(e
))
506 self
.db
.update_rows("instance_vms",
507 UPDATE
={"error_msg": self
._format
_vim
_error
_msg
(str(e
)), "status": "VIM_ERROR"},
508 WHERE
={"vim_vm_id": task_id
})
509 except db_base_Exception
as edb
:
510 self
.logger
.error("Error updating database %s", str(edb
))
513 def del_vm(self
, task
):
514 vm_id
= task
["params"][0]
515 interfaces
= task
["params"][1]
516 if is_task_id(vm_id
):
518 task_create
= task
["depends"][vm_id
]
520 if task_create
["status"] == "error":
521 return True, "VM was not created. It has error: " + str(task_create
["result"])
522 elif task_create
["status"] == "enqueued" or task_create
["status"] == "processing":
523 return False, "Cannot delete VM vim_id={} because still creating".format(vm_id
)
524 vm_id
= task_create
["result"]
525 except Exception as e
:
526 return False, "Error trying to get task_id='{}':".format(vm_id
, str(e
))
528 self
._remove
_refresh
("get-vm", vm_id
)
529 for iface
in interfaces
:
530 if iface
.get("sdn_port_id"):
532 self
.ovim
.delete_port(iface
["sdn_port_id"])
533 except ovimException
as e
:
534 self
.logger
.error("ovimException deleting external_port={} at VM vim_id={} deletion ".format(
535 iface
["sdn_port_id"], vm_id
) + str(e
), exc_info
=True)
536 # TODO Set error_msg at instance_nets
538 return True, self
.vim
.delete_vminstance(vm_id
)
539 except vimconn
.vimconnException
as e
:
542 def del_net(self
, task
):
543 net_id
= task
["params"][0]
544 sdn_net_id
= task
["params"][1]
545 if is_task_id(net_id
):
547 task_create
= task
["depends"][net_id
]
549 if task_create
["status"] == "error":
550 return True, "net was not created. It has error: " + str(task_create
["result"])
551 elif task_create
["status"] == "enqueued" or task_create
["status"] == "processing":
552 return False, "Cannot delete net because still creating"
553 net_id
= task_create
["result"]
554 except Exception as e
:
555 return False, "Error trying to get task_id='{}':".format(net_id
, str(e
))
557 self
._remove
_refresh
("get-net", net_id
)
558 result
= self
.vim
.delete_network(net_id
)
560 #Delete any attached port to this sdn network
561 #At this point, there will be ports associated to this network in case it was manually done using 'openmano vim-net-sdn-attach'
563 port_list
= self
.ovim
.get_ports(columns
={'uuid'}, filter={'name': 'external_port', 'net_id': sdn_net_id
})
564 except ovimException
as e
:
565 raise vimconn
.vimconnException(
566 "ovimException obtaining external ports for net {}. ".format(sdn_net_id
) + str(e
))
568 for port
in port_list
:
570 self
.ovim
.delete_port(port
['uuid'])
571 except ovimException
as e
:
572 raise vimconn
.vimconnException(
573 "ovimException deleting port {} for net {}. ".format(port
['uuid'], sdn_net_id
) + str(e
))
575 self
.ovim
.delete_network(sdn_net_id
)
577 except vimconn
.vimconnException
as e
:
579 except ovimException
as e
:
580 logging
.error("Error deleting network from ovim. net_id: {}, sdn_net_id: {}".format(net_id
, sdn_net_id
))