+++ /dev/null
-# -*- coding: utf-8 -*-
-
-##
-# Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U.
-# This file is part of openvim
-# All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License"); you may
-# not use this file except in compliance with the License. You may obtain
-# a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-# License for the specific language governing permissions and limitations
-# under the License.
-#
-# For those usages not covered by the Apache License, Version 2.0 please
-# contact with: nfvlabs@tid.es
-##
-
-""""
-This is thread that interact with the host and the libvirt to manage VM
-One thread will be launched per host
-"""
-
-import threading
-import time
-import Queue
-import logging
-import vimconn
-from db_base import db_base_Exception
-from lib_osm_openvim.ovim import ovimException
-
-__author__ = "Alfonso Tierno, Pablo Montes"
-__date__ = "$10-feb-2017 12:07:15$"
-
-# from logging import Logger
-# import auxiliary_functions as af
-
-
-def is_task_id(task_id):
- return True if task_id[:5] == "TASK." else False
-
-
-class vim_thread(threading.Thread):
- REFRESH_BUILD = 5 # 5 seconds
- REFRESH_ACTIVE = 60 # 1 minute
-
- def __init__(self, vimconn, task_lock, name=None, datacenter_name=None, datacenter_tenant_id=None,
- db=None, db_lock=None, ovim=None):
- """Init a thread.
- Arguments:
- 'id' number of thead
- 'name' name of thread
- 'host','user': host ip or name to manage and user
- 'db', 'db_lock': database class and lock to use it in exclusion
- """
- self.tasksResult = {}
- """ It will contain a dictionary with
- task_id:
- status: enqueued,done,error,deleted,processing
- result: VIM result,
- """
- threading.Thread.__init__(self)
- self.vim = vimconn
- self.datacenter_name = datacenter_name
- self.datacenter_tenant_id = datacenter_tenant_id
- self.ovim = ovim
- if not name:
- self.name = vimconn["id"] + "." + vimconn["config"]["datacenter_tenant_id"]
- else:
- self.name = name
-
- self.logger = logging.getLogger('openmano.vim.'+self.name)
- self.db = db
- self.db_lock = db_lock
-
- self.task_lock = task_lock
- self.task_queue = Queue.Queue(2000)
- self.refresh_list = []
- """Contains time ordered task list for refreshing the status of VIM VMs and nets"""
-
- def _refres_elements(self):
- """Call VIM to get VMs and networks status until 10 elements"""
- now = time.time()
- vm_to_refresh_list = []
- net_to_refresh_list = []
- vm_to_refresh_dict = {}
- net_to_refresh_dict = {}
- items_to_refresh = 0
- while self.refresh_list:
- task = self.refresh_list[0]
- with self.task_lock:
- if task['status'] == 'deleted':
- self.refresh_list.pop(0)
- continue
- if task['time'] > now:
- break
- task["status"] = "processing"
- self.refresh_list.pop(0)
- if task["name"] == 'get-vm':
- vm_to_refresh_list.append(task["vim_id"])
- vm_to_refresh_dict[task["vim_id"]] = task
- elif task["name"] == 'get-net':
- net_to_refresh_list.append(task["vim_id"])
- net_to_refresh_dict[task["vim_id"]] = task
- else:
- error_text = "unknown task {}".format(task["name"])
- self.logger.error(error_text)
- items_to_refresh += 1
- if items_to_refresh == 10:
- break
-
- if vm_to_refresh_list:
- try:
- vim_dict = self.vim.refresh_vms_status(vm_to_refresh_list)
- for vim_id, vim_info in vim_dict.items():
- #look for task
- task = vm_to_refresh_dict[vim_id]
- self.logger.debug("get-vm vm_id=%s result=%s", task["vim_id"], str(vim_info))
-
- # update database
- if vim_info.get("error_msg"):
- vim_info["error_msg"] = self._format_vim_error_msg(vim_info["error_msg"])
- if task["vim_info"].get("status") != vim_info["status"] or \
- task["vim_info"].get("error_msg") != vim_info.get("error_msg") or \
- task["vim_info"].get("vim_info") != vim_info["vim_info"]:
- with self.db_lock:
- temp_dict = {"status": vim_info["status"],
- "error_msg": vim_info.get("error_msg"),
- "vim_info": vim_info["vim_info"]}
- self.db.update_rows('instance_vms', UPDATE=temp_dict, WHERE={"vim_vm_id": vim_id})
- for interface in vim_info["interfaces"]:
- for task_interface in task["vim_info"]["interfaces"]:
- if task_interface["vim_net_id"] == interface["vim_net_id"]:
- break
- else:
- task_interface = {"vim_net_id": interface["vim_net_id"]}
- task["vim_info"]["interfaces"].append(task_interface)
- if task_interface != interface:
- #delete old port
- if task_interface.get("sdn_port_id"):
- try:
- self.ovim.delete_port(task_interface["sdn_port_id"])
- task_interface["sdn_port_id"] = None
- except ovimException as e:
- self.logger.error("ovimException deleting external_port={} ".format(
- task_interface["sdn_port_id"]) + str(e), exc_info=True)
- # TODO Set error_msg at instance_nets
- vim_net_id = interface["vim_net_id"]
- sdn_net_id = None
- sdn_port_name = None
- with self.db_lock:
- where_= {'iv.vim_vm_id': vim_id, "ine.vim_net_id": vim_net_id,
- 'ine.datacenter_tenant_id': self.datacenter_tenant_id}
- # TODO check why vim_interface_id is not present at database
- # if interface.get("vim_interface_id"):
- # where_["vim_interface_id"] = interface["vim_interface_id"]
- db_ifaces = self.db.get_rows(
- FROM="instance_interfaces as ii left join instance_nets as ine on "
- "ii.instance_net_id=ine.uuid left join instance_vms as iv on "
- "ii.instance_vm_id=iv.uuid",
- SELECT=("ii.uuid as iface_id", "ine.uuid as net_id", "iv.uuid as vm_id", "sdn_net_id", "vim_net_id"),
- WHERE=where_)
- if len(db_ifaces)>1:
- self.logger.critical("Refresing interfaces. "
- "Found more than one interface at database for '{}'".format(where_))
- elif len(db_ifaces)==0:
- self.logger.critical("Refresing interfaces. "
- "Not found any interface at database for '{}'".format(where_))
- continue
- else:
- db_iface = db_ifaces[0]
- #If there is no sdn_net_id, check if it is because an already created vim network is being used
- #in that case, the sdn_net_id will be in that entry of the instance_nets table
- if not db_iface.get("sdn_net_id"):
- result = self.db.get_rows(SELECT=('sdn_net_id',), FROM='instance_nets',
- WHERE={'vim_net_id': db_iface.get("vim_net_id"), 'instance_scenario_id': None, "datacenter_tenant_id": self.datacenter_tenant_id})
- if len(result) == 1:
- db_iface["sdn_net_id"] = result[0]['sdn_net_id']
-
- if db_iface.get("sdn_net_id") and interface.get("compute_node") and interface.get("pci"):
- sdn_net_id = db_iface["sdn_net_id"]
- sdn_port_name = sdn_net_id + "." + db_iface["vm_id"]
- sdn_port_name = sdn_port_name[:63]
- try:
- sdn_port_id = self.ovim.new_external_port(
- {"compute_node": interface["compute_node"],
- "pci": interface["pci"],
- "vlan": interface.get("vlan"),
- "net_id": sdn_net_id,
- "region": self.vim["config"]["datacenter_id"],
- "name": sdn_port_name,
- "mac": interface.get("mac_address")})
- interface["sdn_port_id"] = sdn_port_id
- except (ovimException, Exception) as e:
- self.logger.error(
- "ovimException creating new_external_port compute_node={} " \
- "pci={} vlan={} ".format(
- interface["compute_node"],
- interface["pci"],
- interface.get("vlan")) + str(e),
- exc_info=True)
- # TODO Set error_msg at instance_nets
- with self.db_lock:
- vim_net_id = interface.pop("vim_net_id")
- self.db.update_rows('instance_interfaces', UPDATE=interface,
- WHERE={'uuid': db_iface["iface_id"]})
- interface["vim_net_id"] = vim_net_id
- # TODO insert instance_id
-
- task["vim_info"] = vim_info
- if task["vim_info"]["status"] == "BUILD":
- self._insert_refresh(task, now + self.REFRESH_BUILD)
- else:
- self._insert_refresh(task, now + self.REFRESH_ACTIVE)
- except vimconn.vimconnException as e:
- self.logger.error("vimconnException Exception when trying to refresh vms " + str(e))
- self._insert_refresh(task, now + self.REFRESH_ACTIVE)
-
- if net_to_refresh_list:
- try:
- vim_dict = self.vim.refresh_nets_status(net_to_refresh_list)
- for vim_id, vim_info in vim_dict.items():
- #look for task
- task = net_to_refresh_dict[vim_id]
- self.logger.debug("get-net net_id=%s result=%s", task["vim_id"], str(vim_info))
-
- #get database info
- where_ = {"vim_net_id": vim_id, 'datacenter_tenant_id': self.datacenter_tenant_id}
- with self.db_lock:
- db_nets = self.db.get_rows(
- FROM="instance_nets",
- SELECT=("uuid as net_id", "sdn_net_id"),
- WHERE=where_)
- if len(db_nets) > 1:
- self.logger.critical("Refresing networks. "
- "Found more than one instance-networks at database for '{}'".format(where_))
- elif len(db_nets) == 0:
- self.logger.critical("Refresing networks. "
- "Not found any instance-network at database for '{}'".format(where_))
- continue
- else:
- db_net = db_nets[0]
- if db_net.get("sdn_net_id"):
- # get ovim status
- try:
- sdn_net = self.ovim.show_network(db_net["sdn_net_id"])
- if sdn_net["status"] == "ERROR":
- if not vim_info.get("error_msg"):
- vim_info["error_msg"] = sdn_net["error_msg"]
- else:
- vim_info["error_msg"] = "VIM_ERROR: {} && SDN_ERROR: {}".format(
- self._format_vim_error_msg(vim_info["error_msg"], 1024//2-14),
- self._format_vim_error_msg(sdn_net["error_msg"], 1024//2-14))
- if vim_info["status"] == "VIM_ERROR":
- vim_info["status"] = "VIM_SDN_ERROR"
- else:
- vim_info["status"] = "SDN_ERROR"
-
- except (ovimException, Exception) as e:
- self.logger.error(
- "ovimException getting network infor snd_net_id={}".format(db_net["sdn_net_id"]),
- exc_info=True)
- # TODO Set error_msg at instance_nets
-
- # update database
- if vim_info.get("error_msg"):
- vim_info["error_msg"] = self._format_vim_error_msg(vim_info["error_msg"])
- if task["vim_info"].get("status") != vim_info["status"] or \
- task["vim_info"].get("error_msg") != vim_info.get("error_msg") or \
- task["vim_info"].get("vim_info") != vim_info["vim_info"]:
- with self.db_lock:
- temp_dict = {"status": vim_info["status"],
- "error_msg": vim_info.get("error_msg"),
- "vim_info": vim_info["vim_info"]}
- self.db.update_rows('instance_nets', UPDATE=temp_dict, WHERE={"vim_net_id": vim_id})
-
- task["vim_info"] = vim_info
- if task["vim_info"]["status"] == "BUILD":
- self._insert_refresh(task, now + self.REFRESH_BUILD)
- else:
- self._insert_refresh(task, now + self.REFRESH_ACTIVE)
- except vimconn.vimconnException as e:
- self.logger.error("vimconnException Exception when trying to refresh nets " + str(e))
- self._insert_refresh(task, now + self.REFRESH_ACTIVE)
-
- if not items_to_refresh:
- time.sleep(1)
-
- def _insert_refresh(self, task, threshold_time):
- """Insert a task at list of refreshing elements. The refreshing list is ordered by threshold_time (task['time']
- It is assumed that this is called inside this thread
- """
- task["time"] = threshold_time
- for index in range(0, len(self.refresh_list)):
- if self.refresh_list[index]["time"] > threshold_time:
- self.refresh_list.insert(index, task)
- break
- else:
- index = len(self.refresh_list)
- self.refresh_list.append(task)
- self.logger.debug("new refresh task={} name={}, time={} index={}".format(
- task["id"], task["name"], task["time"], index))
-
- def _remove_refresh(self, task_name, vim_id):
- """Remove a task with this name and vim_id from the list of refreshing elements.
- It is assumed that this is called inside this thread outside _refres_elements method
- Return True if self.refresh_list is modified, task is found
- Return False if not found
- """
- index_to_delete = None
- for index in range(0, len(self.refresh_list)):
- if self.refresh_list[index]["name"] == task_name and self.refresh_list[index]["vim_id"] == vim_id:
- index_to_delete = index
- break
- else:
- return False
- if index_to_delete != None:
- del self.refresh_list[index_to_delete]
- return True
-
- def insert_task(self, task):
- try:
- self.task_queue.put(task, False)
- return task["id"]
- except Queue.Full:
- raise vimconn.vimconnException(self.name + ": timeout inserting a task")
-
- def del_task(self, task):
- with self.task_lock:
- if task["status"] == "enqueued":
- task["status"] == "deleted"
- return True
- else: # task["status"] == "processing"
- self.task_lock.release()
- return False
-
- def run(self):
- self.logger.debug("Starting")
- while True:
- #TODO reload service
- while True:
- try:
- if not self.task_queue.empty():
- task = self.task_queue.get()
- self.task_lock.acquire()
- if task["status"] == "deleted":
- self.task_lock.release()
- continue
- task["status"] = "processing"
- self.task_lock.release()
- else:
- self._refres_elements()
- continue
- self.logger.debug("processing task id={} name={} params={}".format(task["id"], task["name"],
- str(task["params"])))
- if task["name"] == 'exit' or task["name"] == 'reload':
- result, content = self.terminate(task)
- elif task["name"] == 'new-vm':
- result, content = self.new_vm(task)
- elif task["name"] == 'del-vm':
- result, content = self.del_vm(task)
- elif task["name"] == 'new-net':
- result, content = self.new_net(task)
- elif task["name"] == 'del-net':
- result, content = self.del_net(task)
- else:
- error_text = "unknown task {}".format(task["name"])
- self.logger.error(error_text)
- result = False
- content = error_text
- self.logger.debug("task id={} name={} result={}:{} params={}".format(task["id"], task["name"],
- result, content,
- str(task["params"])))
-
- with self.task_lock:
- task["status"] = "done" if result else "error"
- task["result"] = content
- self.task_queue.task_done()
-
- if task["name"] == 'exit':
- return 0
- elif task["name"] == 'reload':
- break
- except Exception as e:
- self.logger.critical("Unexpected exception at run: " + str(e), exc_info=True)
-
- self.logger.debug("Finishing")
-
- def terminate(self, task):
- return True, None
-
- def _format_vim_error_msg(self, error_text, max_length=1024):
- if error_text and len(error_text) >= max_length:
- return error_text[:max_length//2-3] + " ... " + error_text[-max_length//2+3:]
- return error_text
-
- def new_net(self, task):
- try:
- task_id = task["id"]
- params = task["params"]
- net_id = self.vim.new_network(*params)
-
- net_name = params[0]
- net_type = params[1]
-
- network = None
- sdn_net_id = None
- sdn_controller = self.vim.config.get('sdn-controller')
- if sdn_controller and (net_type == "data" or net_type == "ptp"):
- network = {"name": net_name, "type": net_type, "region": self.vim["config"]["datacenter_id"]}
-
- vim_net = self.vim.get_network(net_id)
- if vim_net.get('encapsulation') != 'vlan':
- raise vimconn.vimconnException(
- "net '{}' defined as type '{}' has not vlan encapsulation '{}'".format(
- net_name, net_type, vim_net['encapsulation']))
- network["vlan"] = vim_net.get('segmentation_id')
- try:
- sdn_net_id = self.ovim.new_network(network)
- except (ovimException, Exception) as e:
- self.logger.error("task=%s cannot create SDN network vim_net_id=%s input='%s' ovimException='%s'",
- str(task_id), net_id, str(network), str(e))
- with self.db_lock:
- self.db.update_rows("instance_nets", UPDATE={"vim_net_id": net_id, "sdn_net_id": sdn_net_id},
- WHERE={"vim_net_id": task_id})
- new_refresh_task = {"status": "enqueued",
- "id": task_id,
- "name": "get-net",
- "vim_id": net_id,
- "vim_info": {} }
- self._insert_refresh(new_refresh_task, time.time())
- return True, net_id
- except db_base_Exception as e:
- self.logger.error("Error updating database %s", str(e))
- return True, net_id
- except vimconn.vimconnException as e:
- self.logger.error("Error creating NET, task=%s: %s", str(task_id), str(e))
- try:
- with self.db_lock:
- self.db.update_rows("instance_nets",
- UPDATE={"error_msg": self._format_vim_error_msg(str(e)), "status": "VIM_ERROR"},
- WHERE={"vim_net_id": task_id})
- except db_base_Exception as e:
- self.logger.error("Error updating database %s", str(e))
- return False, str(e)
- #except ovimException as e:
- # self.logger.error("Error creating NET in ovim, task=%s: %s", str(task_id), str(e))
- # return False, str(e)
-
- def new_vm(self, task):
- try:
- params = task["params"]
- task_id = task["id"]
- depends = task.get("depends")
- net_list = params[5]
- error_text = ""
- for net in net_list:
- if "net_id" in net and is_task_id(net["net_id"]): # change task_id into network_id
- try:
- task_net = depends[net["net_id"]]
- with self.task_lock:
- if task_net["status"] == "error":
- error_text = "Cannot create VM because depends on a network that cannot be created: " +\
- str(task_net["result"])
- break
- elif task_net["status"] == "enqueued" or task_net["status"] == "processing":
- error_text = "Cannot create VM because depends on a network still not created"
- break
- network_id = task_net["result"]
- net["net_id"] = network_id
- except Exception as e:
- error_text = "Error trying to map from task_id={} to task result: {}".format(
- net["net_id"],str(e))
- break
- if not error_text:
- vm_id = self.vim.new_vminstance(*params)
- try:
- with self.db_lock:
- if error_text:
- update = self.db.update_rows("instance_vms",
- UPDATE={"status": "VIM_ERROR", "error_msg": error_text},
- WHERE={"vim_vm_id": task_id})
- else:
- update = self.db.update_rows("instance_vms", UPDATE={"vim_vm_id": vm_id}, WHERE={"vim_vm_id": task_id})
- if not update:
- self.logger.error("task id={} name={} database not updated vim_vm_id={}".format(
- task["id"], task["name"], vm_id))
- except db_base_Exception as e:
- self.logger.error("Error updating database %s", str(e))
- if error_text:
- return False, error_text
- new_refresh_task = {"status": "enqueued",
- "id": task_id,
- "name": "get-vm",
- "vim_id": vm_id,
- "vim_info": {"interfaces":[]} }
- self._insert_refresh(new_refresh_task, time.time())
- return True, vm_id
- except vimconn.vimconnException as e:
- self.logger.error("Error creating VM, task=%s: %s", str(task_id), str(e))
- try:
- with self.db_lock:
- self.db.update_rows("instance_vms",
- UPDATE={"error_msg": self._format_vim_error_msg(str(e)), "status": "VIM_ERROR"},
- WHERE={"vim_vm_id": task_id})
- except db_base_Exception as edb:
- self.logger.error("Error updating database %s", str(edb))
- return False, str(e)
-
- def del_vm(self, task):
- vm_id = task["params"][0]
- interfaces = task["params"][1]
- if is_task_id(vm_id):
- try:
- task_create = task["depends"][vm_id]
- with self.task_lock:
- if task_create["status"] == "error":
- return True, "VM was not created. It has error: " + str(task_create["result"])
- elif task_create["status"] == "enqueued" or task_create["status"] == "processing":
- return False, "Cannot delete VM vim_id={} because still creating".format(vm_id)
- vm_id = task_create["result"]
- except Exception as e:
- return False, "Error trying to get task_id='{}':".format(vm_id, str(e))
- try:
- self._remove_refresh("get-vm", vm_id)
- for iface in interfaces:
- if iface.get("sdn_port_id"):
- try:
- self.ovim.delete_port(iface["sdn_port_id"])
- except ovimException as e:
- self.logger.error("ovimException deleting external_port={} at VM vim_id={} deletion ".format(
- iface["sdn_port_id"], vm_id) + str(e), exc_info=True)
- # TODO Set error_msg at instance_nets
-
- return True, self.vim.delete_vminstance(vm_id)
- except vimconn.vimconnException as e:
- return False, str(e)
-
- def del_net(self, task):
- net_id = task["params"][0]
- sdn_net_id = task["params"][1]
- if is_task_id(net_id):
- try:
- task_create = task["depends"][net_id]
- with self.task_lock:
- if task_create["status"] == "error":
- return True, "net was not created. It has error: " + str(task_create["result"])
- elif task_create["status"] == "enqueued" or task_create["status"] == "processing":
- return False, "Cannot delete net because still creating"
- net_id = task_create["result"]
- except Exception as e:
- return False, "Error trying to get task_id='{}':".format(net_id, str(e))
- try:
- self._remove_refresh("get-net", net_id)
- result = self.vim.delete_network(net_id)
- if sdn_net_id:
- #Delete any attached port to this sdn network
- #At this point, there will be ports associated to this network in case it was manually done using 'openmano vim-net-sdn-attach'
- try:
- port_list = self.ovim.get_ports(columns={'uuid'}, filter={'name': 'external_port', 'net_id': sdn_net_id})
- except ovimException as e:
- raise vimconn.vimconnException(
- "ovimException obtaining external ports for net {}. ".format(sdn_net_id) + str(e))
-
- for port in port_list:
- try:
- self.ovim.delete_port(port['uuid'])
- except ovimException as e:
- raise vimconn.vimconnException(
- "ovimException deleting port {} for net {}. ".format(port['uuid'], sdn_net_id) + str(e))
- with self.db_lock:
- self.ovim.delete_network(sdn_net_id)
- return True, result
- except vimconn.vimconnException as e:
- return False, str(e)
- except ovimException as e:
- logging.error("Error deleting network from ovim. net_id: {}, sdn_net_id: {}".format(net_id, sdn_net_id))
- return False, str(e)
-
-
projects / osm / RO.git / blobdiff