+++ /dev/null
-# -*- coding: utf-8 -*-
-
-##
-# Copyright 2015 Telefonica Investigacion 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 interacts with a VIM. It processes TASKs sequentially against a single VIM.
-The tasks are stored at database in table vim_wim_actions
-Several vim_wim_actions can refer to the same element at VIM (flavor, network, ...). This is somethng to avoid if RO
-is migrated to a non-relational database as mongo db. Each vim_wim_actions reference a different instance_Xxxxx
-In this case "related" colunm contains the same value, to know they refer to the same vim. In case of deletion, it
-there is related tasks using this element, it is not deleted, The vim_info needed to delete is transfered to other task
-
-The task content is (M: stored at memory, D: stored at database):
- MD instance_action_id: reference a global action over an instance-scenario: database instance_actions
- MD task_index: index number of the task. This together with the previous forms a unique key identifier
- MD datacenter_vim_id: should contain the uuid of the VIM managed by this thread
- MD vim_id: id of the vm,net,etc at VIM
- MD item: database table name, can be instance_vms, instance_nets, TODO: datacenter_flavors, datacenter_images
- MD item_id: uuid of the referenced entry in the previous table
- MD action: CREATE, DELETE, FIND
- MD status: SCHEDULED: action need to be done
- BUILD: not used
- DONE: Done and it must be polled to VIM periodically to see status. ONLY for action=CREATE or FIND
- FAILED: It cannot be created/found/deleted
- FINISHED: similar to DONE, but no refresh is needed anymore. Task is maintained at database but
- it is never processed by any thread
- SUPERSEDED: similar to FINSISHED, but nothing has been done to completed the task.
- MD extra: text with yaml format at database, dict at memory with:
- 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
- find: (only for CREATE tasks) if present it should FIND before creating and use if existing. Contains
- the FIND params
- 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
- can contain an int (single index on the same instance-action) or str (compete action ID)
- sdn_net_id: used for net.
- interfaces: used for VMs. Each key is the uuid of the instance_interfaces entry at database
- iface_id: uuid of intance_interfaces
- sdn_port_id:
- sdn_net_id:
- vim_info
- created_items: dictionary with extra elements created that need to be deleted. e.g. ports, volumes,...
- created: False if the VIM element is not created by other actions, and it should not be deleted
- vim_status: VIM status of the element. Stored also at database in the instance_XXX
- vim_info: Detailed information of a vm/net from the VIM. Stored at database in the instance_XXX but not at
- vim_wim_actions
- M depends: dict with task_index(from depends_on) to dependency task
- M params: same as extra[params]
- MD error_msg: descriptive text upon an error.Stored also at database instance_XXX
- MD created_at: task creation time. The task of creation must be the oldest
- MD modified_at: next time task need to be processed. For example, for a refresh, it contain next time refresh must
- be done
- MD related: All the tasks over the same VIM element have same "related". Note that other VIMs can contain the
- same value of related, but this thread only process those task of one VIM. Also related can be the
- same among several NS os isntance-scenarios
- MD worker: Used to lock in case of several thread workers.
-
-"""
-
-import threading
-import time
-import Queue
-import logging
-import vimconn
-import vimconn_openvim
-import vimconn_aws
-import vimconn_opennebula
-import vimconn_openstack
-import vimconn_vmware
-import vimconn_fos
-import vimconn_azure
-import yaml
-from db_base import db_base_Exception
-from lib_osm_openvim.ovim import ovimException
-from copy import deepcopy
-
-__author__ = "Alfonso Tierno, Pablo Montes"
-__date__ = "$28-Sep-2017 12:07:15$"
-
-vim_module = {
- "openvim": vimconn_openvim,
- "aws": vimconn_aws,
- "opennebula": vimconn_opennebula,
- "openstack": vimconn_openstack,
- "vmware": vimconn_vmware,
- "fos": vimconn_fos,
- "azure": vimconn_azure,
-}
-
-
-def is_task_id(task_id):
- return task_id.startswith("TASK-")
-
-
-class VimThreadException(Exception):
- pass
-
-
-class VimThreadExceptionNotFound(VimThreadException):
- pass
-
-
-class vim_thread(threading.Thread):
- REFRESH_BUILD = 5 # 5 seconds
- REFRESH_ACTIVE = 60 # 1 minute
- REFRESH_ERROR = 600
- REFRESH_DELETE = 3600 * 10
-
- def __init__(self, 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
- """
- threading.Thread.__init__(self)
- self.vim = None
- self.error_status = None
- 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.vim_persistent_info = {}
- self.my_id = self.name[:64]
-
- 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)
-
- def get_vimconnector(self):
- try:
- from_ = "datacenter_tenants as dt join datacenters as d on dt.datacenter_id=d.uuid"
- select_ = ('type', 'd.config as config', 'd.uuid as datacenter_id', 'vim_url', 'vim_url_admin',
- 'd.name as datacenter_name', 'dt.uuid as datacenter_tenant_id',
- 'dt.vim_tenant_name as vim_tenant_name', 'dt.vim_tenant_id as vim_tenant_id',
- 'user', 'passwd', 'dt.config as dt_config')
- where_ = {"dt.uuid": self.datacenter_tenant_id}
- vims = self.db.get_rows(FROM=from_, SELECT=select_, WHERE=where_)
- vim = vims[0]
- vim_config = {}
- if vim["config"]:
- vim_config.update(yaml.load(vim["config"]))
- if vim["dt_config"]:
- vim_config.update(yaml.load(vim["dt_config"]))
- vim_config['datacenter_tenant_id'] = vim.get('datacenter_tenant_id')
- vim_config['datacenter_id'] = vim.get('datacenter_id')
-
- # get port_mapping
- with self.db_lock:
- vim_config["wim_external_ports"] = self.ovim.get_of_port_mappings(
- db_filter={"region": vim_config['datacenter_id'], "pci": None})
-
- self.vim = vim_module[vim["type"]].vimconnector(
- uuid=vim['datacenter_id'], name=vim['datacenter_name'],
- tenant_id=vim['vim_tenant_id'], tenant_name=vim['vim_tenant_name'],
- url=vim['vim_url'], url_admin=vim['vim_url_admin'],
- user=vim['user'], passwd=vim['passwd'],
- config=vim_config, persistent_info=self.vim_persistent_info
- )
- self.error_status = None
- except Exception as e:
- self.logger.error("Cannot load vimconnector for vim_account {}: {}".format(self.datacenter_tenant_id, e))
- self.vim = None
- self.error_status = "Error loading vimconnector: {}".format(e)
-
- def _get_db_task(self):
- """
- Read actions from database and reload them at memory. Fill self.refresh_list, pending_list, vim_actions
- :return: None
- """
- now = time.time()
- try:
- database_limit = 20
- task_related = None
- while True:
- # get 20 (database_limit) entries each time
- vim_actions = self.db.get_rows(FROM="vim_wim_actions",
- WHERE={"datacenter_vim_id": self.datacenter_tenant_id,
- "status": ['SCHEDULED', 'BUILD', 'DONE'],
- "worker": [None, self.my_id], "modified_at<=": now
- },
- ORDER_BY=("modified_at", "created_at",),
- LIMIT=database_limit)
- if not vim_actions:
- return None, None
- # if vim_actions[0]["modified_at"] > now:
- # return int(vim_actions[0] - now)
- for task in vim_actions:
- # block related task
- if task_related == task["related"]:
- continue # ignore if a locking has already tried for these task set
- task_related = task["related"]
- # lock ...
- self.db.update_rows("vim_wim_actions", UPDATE={"worker": self.my_id}, modified_time=0,
- WHERE={"datacenter_vim_id": self.datacenter_tenant_id,
- "status": ['SCHEDULED', 'BUILD', 'DONE', 'FAILED'],
- "worker": [None, self.my_id],
- "related": task_related,
- "item": task["item"],
- })
- # ... and read all related and check if locked
- related_tasks = self.db.get_rows(FROM="vim_wim_actions",
- WHERE={"datacenter_vim_id": self.datacenter_tenant_id,
- "status": ['SCHEDULED', 'BUILD', 'DONE', 'FAILED'],
- "related": task_related,
- "item": task["item"],
- },
- ORDER_BY=("created_at",))
- # check that all related tasks have been locked. If not release and try again. It can happen
- # for race conditions if a new related task has been inserted by nfvo in the process
- some_tasks_locked = False
- some_tasks_not_locked = False
- creation_task = None
- for relate_task in related_tasks:
- if relate_task["worker"] != self.my_id:
- some_tasks_not_locked = True
- else:
- some_tasks_locked = True
- if not creation_task and relate_task["action"] in ("CREATE", "FIND"):
- creation_task = relate_task
- if some_tasks_not_locked:
- if some_tasks_locked: # unlock
- self.db.update_rows("vim_wim_actions", UPDATE={"worker": None}, modified_time=0,
- WHERE={"datacenter_vim_id": self.datacenter_tenant_id,
- "worker": self.my_id,
- "related": task_related,
- "item": task["item"],
- })
- continue
-
- # task of creation must be the first in the list of related_task
- assert(related_tasks[0]["action"] in ("CREATE", "FIND"))
-
- task["params"] = None
- if task["extra"]:
- extra = yaml.load(task["extra"])
- else:
- extra = {}
- task["extra"] = extra
- if extra.get("depends_on"):
- task["depends"] = {}
- if extra.get("params"):
- task["params"] = deepcopy(extra["params"])
- return task, related_tasks
- except Exception as e:
- self.logger.critical("Unexpected exception at _get_db_task: " + str(e), exc_info=True)
- return None, None
-
- def _delete_task(self, task):
- """
- Determine if this task need to be done or superseded
- :return: None
- """
-
- def copy_extra_created(copy_to, copy_from):
- copy_to["created"] = copy_from["created"]
- if copy_from.get("sdn_net_id"):
- copy_to["sdn_net_id"] = copy_from["sdn_net_id"]
- if copy_from.get("interfaces"):
- copy_to["interfaces"] = copy_from["interfaces"]
- if copy_from.get("created_items"):
- if not copy_to.get("created_items"):
- copy_to["created_items"] = {}
- copy_to["created_items"].update(copy_from["created_items"])
-
- task_create = None
- dependency_task = None
- deletion_needed = False
- if task["status"] == "FAILED":
- return # TODO need to be retry??
- try:
- # get all related tasks
- related_tasks = self.db.get_rows(FROM="vim_wim_actions",
- WHERE={"datacenter_vim_id": self.datacenter_tenant_id,
- "status": ['SCHEDULED', 'BUILD', 'DONE', 'FAILED'],
- "action": ["FIND", "CREATE"],
- "related": task["related"],
- },
- ORDER_BY=("created_at",),
- )
- for related_task in related_tasks:
- if related_task["item"] == task["item"] and related_task["item_id"] == task["item_id"]:
- task_create = related_task
- # TASK_CREATE
- if related_task["extra"]:
- extra_created = yaml.load(related_task["extra"])
- if extra_created.get("created"):
- deletion_needed = True
- related_task["extra"] = extra_created
- elif not dependency_task:
- dependency_task = related_task
- if task_create and dependency_task:
- break
-
- # mark task_create as FINISHED
- self.db.update_rows("vim_wim_actions", UPDATE={"status": "FINISHED"},
- WHERE={"datacenter_vim_id": self.datacenter_tenant_id,
- "instance_action_id": task_create["instance_action_id"],
- "task_index": task_create["task_index"]
- })
- if not deletion_needed:
- return
- elif dependency_task:
- # move create information from task_create to relate_task
- extra_new_created = yaml.load(dependency_task["extra"]) or {}
- extra_new_created["created"] = extra_created["created"]
- copy_extra_created(copy_to=extra_new_created, copy_from=extra_created)
-
- self.db.update_rows("vim_wim_actions",
- UPDATE={"extra": yaml.safe_dump(extra_new_created, default_flow_style=True,
- width=256),
- "vim_id": task_create.get("vim_id")},
- WHERE={"datacenter_vim_id": self.datacenter_tenant_id,
- "instance_action_id": dependency_task["instance_action_id"],
- "task_index": dependency_task["task_index"]
- })
- return False
- else:
- task["vim_id"] = task_create["vim_id"]
- copy_extra_created(copy_to=task["extra"], copy_from=task_create["extra"])
- return True
-
- except Exception as e:
- self.logger.critical("Unexpected exception at _delete_task: " + str(e), exc_info=True)
-
- def _refres_vm(self, task):
- """Call VIM to get VMs status"""
- database_update = None
-
- vim_id = task["vim_id"]
- vm_to_refresh_list = [vim_id]
- try:
- vim_dict = self.vim.refresh_vms_status(vm_to_refresh_list)
- vim_info = vim_dict[vim_id]
- except vimconn.vimconnException as e:
- # Mark all tasks at VIM_ERROR status
- self.logger.error("task=several get-VM: vimconnException when trying to refresh vms " + str(e))
- vim_info = {"status": "VIM_ERROR", "error_msg": str(e)}
-
- task_id = task["instance_action_id"] + "." + str(task["task_index"])
- self.logger.debug("task={} get-VM: vim_vm_id={} result={}".format(task_id, task["vim_id"], vim_info))
-
- # check and update interfaces
- task_warning_msg = ""
- for interface in vim_info.get("interfaces", ()):
- vim_interface_id = interface["vim_interface_id"]
- if vim_interface_id not in task["extra"]["interfaces"]:
- self.logger.critical("task={} get-VM: Interface not found {} on task info {}".format(
- task_id, vim_interface_id, task["extra"]["interfaces"]), exc_info=True)
- continue
- task_interface = task["extra"]["interfaces"][vim_interface_id]
- task_vim_interface = task_interface.get("vim_info")
- if task_vim_interface != interface:
- # delete old port
- if task_interface.get("sdn_port_id"):
- try:
- with self.db_lock:
- self.ovim.delete_port(task_interface["sdn_port_id"], idempotent=True)
- task_interface["sdn_port_id"] = None
- except ovimException as e:
- error_text = "ovimException deleting external_port={}: {}".format(
- task_interface["sdn_port_id"], e)
- self.logger.error("task={} get-VM: {}".format(task_id, error_text), exc_info=True)
- task_warning_msg += error_text
- # TODO Set error_msg at instance_nets instead of instance VMs
-
- # Create SDN port
- sdn_net_id = task_interface.get("sdn_net_id")
- if sdn_net_id and interface.get("compute_node") and interface.get("pci"):
- sdn_port_name = sdn_net_id + "." + task["vim_id"]
- sdn_port_name = sdn_port_name[:63]
- try:
- with self.db_lock:
- 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")})
- task_interface["sdn_port_id"] = sdn_port_id
- except (ovimException, Exception) as e:
- error_text = "ovimException creating new_external_port compute_node={} pci={} vlan={} {}".\
- format(interface["compute_node"], interface["pci"], interface.get("vlan"), e)
- self.logger.error("task={} get-VM: {}".format(task_id, error_text), exc_info=True)
- task_warning_msg += error_text
- # TODO Set error_msg at instance_nets instead of instance VMs
-
- self.db.update_rows('instance_interfaces',
- UPDATE={"mac_address": interface.get("mac_address"),
- "ip_address": interface.get("ip_address"),
- "vim_interface_id": interface.get("vim_interface_id"),
- "vim_info": interface.get("vim_info"),
- "sdn_port_id": task_interface.get("sdn_port_id"),
- "compute_node": interface.get("compute_node"),
- "pci": interface.get("pci"),
- "vlan": interface.get("vlan")},
- WHERE={'uuid': task_interface["iface_id"]})
- task_interface["vim_info"] = interface
-
- # check and update task and instance_vms database
- vim_info_error_msg = None
- if vim_info.get("error_msg"):
- vim_info_error_msg = self._format_vim_error_msg(vim_info["error_msg"] + task_warning_msg)
- elif task_warning_msg:
- vim_info_error_msg = self._format_vim_error_msg(task_warning_msg)
- task_vim_info = task["extra"].get("vim_info")
- task_error_msg = task.get("error_msg")
- task_vim_status = task["extra"].get("vim_status")
- if task_vim_status != vim_info["status"] or task_error_msg != vim_info_error_msg or \
- (vim_info.get("vim_info") and task_vim_info != vim_info["vim_info"]):
- database_update = {"status": vim_info["status"], "error_msg": vim_info_error_msg}
- if vim_info.get("vim_info"):
- database_update["vim_info"] = vim_info["vim_info"]
-
- task["extra"]["vim_status"] = vim_info["status"]
- task["error_msg"] = vim_info_error_msg
- if vim_info.get("vim_info"):
- task["extra"]["vim_info"] = vim_info["vim_info"]
-
- return database_update
-
- def _refres_net(self, task):
- """Call VIM to get network status"""
- database_update = None
-
- vim_id = task["vim_id"]
- net_to_refresh_list = [vim_id]
- try:
- vim_dict = self.vim.refresh_nets_status(net_to_refresh_list)
- vim_info = vim_dict[vim_id]
- except vimconn.vimconnException as e:
- # Mark all tasks at VIM_ERROR status
- self.logger.error("task=several get-net: vimconnException when trying to refresh nets " + str(e))
- vim_info = {"status": "VIM_ERROR", "error_msg": str(e)}
-
- task_id = task["instance_action_id"] + "." + str(task["task_index"])
- self.logger.debug("task={} get-net: vim_net_id={} result={}".format(task_id, task["vim_id"], vim_info))
-
- task_vim_info = task["extra"].get("vim_info")
- task_vim_status = task["extra"].get("vim_status")
- task_error_msg = task.get("error_msg")
- task_sdn_net_id = task["extra"].get("sdn_net_id")
-
- vim_info_status = vim_info["status"]
- vim_info_error_msg = vim_info.get("error_msg")
- # get ovim status
- if task_sdn_net_id:
- try:
- with self.db_lock:
- sdn_net = self.ovim.show_network(task_sdn_net_id)
- except (ovimException, Exception) as e:
- text_error = "ovimException getting network snd_net_id={}: {}".format(task_sdn_net_id, e)
- self.logger.error("task={} get-net: {}".format(task_id, text_error), exc_info=True)
- sdn_net = {"status": "ERROR", "last_error": text_error}
- if sdn_net["status"] == "ERROR":
- if not vim_info_error_msg:
- vim_info_error_msg = str(sdn_net.get("last_error"))
- 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["last_error"], 1024 // 2 - 14))
- vim_info_status = "ERROR"
- elif sdn_net["status"] == "BUILD":
- if vim_info_status == "ACTIVE":
- vim_info_status = "BUILD"
-
- # update database
- if vim_info_error_msg:
- vim_info_error_msg = self._format_vim_error_msg(vim_info_error_msg)
- if task_vim_status != vim_info_status or task_error_msg != vim_info_error_msg or \
- (vim_info.get("vim_info") and task_vim_info != vim_info["vim_info"]):
- task["extra"]["vim_status"] = vim_info_status
- task["error_msg"] = vim_info_error_msg
- if vim_info.get("vim_info"):
- task["extra"]["vim_info"] = vim_info["vim_info"]
- database_update = {"status": vim_info_status, "error_msg": vim_info_error_msg}
- if vim_info.get("vim_info"):
- database_update["vim_info"] = vim_info["vim_info"]
- return database_update
-
- def _proccess_pending_tasks(self, task, related_tasks):
- old_task_status = task["status"]
- create_or_find = False # if as result of processing this task something is created or found
- next_refresh = 0
-
- try:
- if task["status"] == "SCHEDULED":
- # check if tasks that this depends on have been completed
- dependency_not_completed = False
- dependency_modified_at = 0
- for task_index in task["extra"].get("depends_on", ()):
- task_dependency = self._look_for_task(task["instance_action_id"], task_index)
- if not task_dependency:
- raise VimThreadException(
- "Cannot get depending net task trying to get depending task {}.{}".format(
- task["instance_action_id"], task_index))
- # task["depends"]["TASK-" + str(task_index)] = task_dependency #it references another object,so
- # database must be look again
- if task_dependency["status"] == "SCHEDULED":
- dependency_not_completed = True
- dependency_modified_at = task_dependency["modified_at"]
- break
- elif task_dependency["status"] == "FAILED":
- raise VimThreadException(
- "Cannot {} {}, (task {}.{}) because depends on failed {}.{}, (task{}.{}): {}".format(
- task["action"], task["item"],
- task["instance_action_id"], task["task_index"],
- task_dependency["instance_action_id"], task_dependency["task_index"],
- task_dependency["action"], task_dependency["item"], task_dependency.get("error_msg")))
-
- task["depends"]["TASK-"+str(task_index)] = task_dependency
- task["depends"]["TASK-{}.{}".format(task["instance_action_id"], task_index)] = task_dependency
- if dependency_not_completed:
- # Move this task to the time dependency is going to be modified plus 10 seconds.
- self.db.update_rows("vim_wim_actions", modified_time=dependency_modified_at + 10,
- UPDATE={"worker": None},
- WHERE={"datacenter_vim_id": self.datacenter_tenant_id, "worker": self.my_id,
- "related": task["related"],
- })
- # task["extra"]["tries"] = task["extra"].get("tries", 0) + 1
- # if task["extra"]["tries"] > 3:
- # raise VimThreadException(
- # "Cannot {} {}, (task {}.{}) because timeout waiting to complete {} {}, "
- # "(task {}.{})".format(task["action"], task["item"],
- # task["instance_action_id"], task["task_index"],
- # task_dependency["instance_action_id"], task_dependency["task_index"]
- # task_dependency["action"], task_dependency["item"]))
- return
-
- database_update = None
- if task["action"] == "DELETE":
- deleted_needed = self._delete_task(task)
- if not deleted_needed:
- task["status"] = "SUPERSEDED" # with FINISHED instead of DONE it will not be refreshing
- task["error_msg"] = None
-
- if task["status"] == "SUPERSEDED":
- # not needed to do anything but update database with the new status
- database_update = None
- elif not self.vim:
- task["status"] = "FAILED"
- task["error_msg"] = self.error_status
- database_update = {"status": "VIM_ERROR", "error_msg": task["error_msg"]}
- elif task["item_id"] != related_tasks[0]["item_id"] and task["action"] in ("FIND", "CREATE"):
- # Do nothing, just copy values from one to another and updata database
- task["status"] = related_tasks[0]["status"]
- task["error_msg"] = related_tasks[0]["error_msg"]
- task["vim_id"] = related_tasks[0]["vim_id"]
- extra = yaml.load(related_tasks[0]["extra"])
- task["extra"]["vim_status"] = extra["vim_status"]
- next_refresh = related_tasks[0]["modified_at"] + 0.001
- database_update = {"status": task["extra"].get("vim_status", "VIM_ERROR"),
- "error_msg": task["error_msg"]}
- if task["item"] == 'instance_vms':
- database_update["vim_vm_id"] = task["vim_id"]
- elif task["item"] == 'instance_nets':
- database_update["vim_net_id"] = task["vim_id"]
- elif task["item"] == 'instance_vms':
- if task["status"] in ('BUILD', 'DONE') and task["action"] in ("FIND", "CREATE"):
- database_update = self._refres_vm(task)
- create_or_find = True
- elif task["action"] == "CREATE":
- create_or_find = True
- database_update = self.new_vm(task)
- elif task["action"] == "DELETE":
- self.del_vm(task)
- else:
- raise vimconn.vimconnException(self.name + "unknown task action {}".format(task["action"]))
- elif task["item"] == 'instance_nets':
- if task["status"] in ('BUILD', 'DONE') and task["action"] in ("FIND", "CREATE"):
- database_update = self._refres_net(task)
- create_or_find = True
- elif task["action"] == "CREATE":
- create_or_find = True
- database_update = self.new_net(task)
- elif task["action"] == "DELETE":
- self.del_net(task)
- elif task["action"] == "FIND":
- database_update = self.get_net(task)
- else:
- raise vimconn.vimconnException(self.name + "unknown task action {}".format(task["action"]))
- elif task["item"] == 'instance_sfis':
- if task["action"] == "CREATE":
- create_or_find = True
- database_update = self.new_sfi(task)
- elif task["action"] == "DELETE":
- self.del_sfi(task)
- else:
- raise vimconn.vimconnException(self.name + "unknown task action {}".format(task["action"]))
- elif task["item"] == 'instance_sfs':
- if task["action"] == "CREATE":
- create_or_find = True
- database_update = self.new_sf(task)
- elif task["action"] == "DELETE":
- self.del_sf(task)
- else:
- raise vimconn.vimconnException(self.name + "unknown task action {}".format(task["action"]))
- elif task["item"] == 'instance_classifications':
- if task["action"] == "CREATE":
- create_or_find = True
- database_update = self.new_classification(task)
- elif task["action"] == "DELETE":
- self.del_classification(task)
- else:
- raise vimconn.vimconnException(self.name + "unknown task action {}".format(task["action"]))
- elif task["item"] == 'instance_sfps':
- if task["action"] == "CREATE":
- create_or_find = True
- database_update = self.new_sfp(task)
- elif task["action"] == "DELETE":
- self.del_sfp(task)
- else:
- raise vimconn.vimconnException(self.name + "unknown task action {}".format(task["action"]))
- else:
- raise vimconn.vimconnException(self.name + "unknown task item {}".format(task["item"]))
- # TODO
- except VimThreadException as e:
- task["error_msg"] = str(e)
- task["status"] = "FAILED"
- database_update = {"status": "VIM_ERROR", "error_msg": task["error_msg"]}
- if task["item"] == 'instance_vms':
- database_update["vim_vm_id"] = None
- elif task["item"] == 'instance_nets':
- database_update["vim_net_id"] = None
-
- task_id = task["instance_action_id"] + "." + str(task["task_index"])
- self.logger.debug("task={} item={} action={} result={}:'{}' params={}".format(
- task_id, task["item"], task["action"], task["status"],
- task["vim_id"] if task["status"] == "DONE" else task.get("error_msg"), task["params"]))
- try:
- if not next_refresh:
- if task["status"] == "DONE":
- next_refresh = time.time()
- if task["extra"].get("vim_status") == "BUILD":
- next_refresh += self.REFRESH_BUILD
- elif task["extra"].get("vim_status") in ("ERROR", "VIM_ERROR"):
- next_refresh += self.REFRESH_ERROR
- elif task["extra"].get("vim_status") == "DELETED":
- next_refresh += self.REFRESH_DELETE
- else:
- next_refresh += self.REFRESH_ACTIVE
- elif task["status"] == "FAILED":
- next_refresh = time.time() + self.REFRESH_DELETE
-
- if create_or_find:
- # modify all related task with action FIND/CREATED non SCHEDULED
- self.db.update_rows(
- table="vim_wim_actions", modified_time=next_refresh + 0.001,
- UPDATE={"status": task["status"], "vim_id": task.get("vim_id"),
- "error_msg": task["error_msg"],
- },
-
- WHERE={"datacenter_vim_id": self.datacenter_tenant_id,
- "worker": self.my_id,
- "action": ["FIND", "CREATE"],
- "related": task["related"],
- "status<>": "SCHEDULED",
- })
- # modify own task
- self.db.update_rows(
- table="vim_wim_actions", modified_time=next_refresh,
- UPDATE={"status": task["status"], "vim_id": task.get("vim_id"),
- "error_msg": task["error_msg"],
- "extra": yaml.safe_dump(task["extra"], default_flow_style=True, width=256)},
- WHERE={"instance_action_id": task["instance_action_id"], "task_index": task["task_index"]})
- # Unlock tasks
- self.db.update_rows(
- table="vim_wim_actions", modified_time=0,
- UPDATE={"worker": None},
- WHERE={"datacenter_vim_id": self.datacenter_tenant_id,
- "worker": self.my_id,
- "related": task["related"],
- })
-
- # Update table instance_actions
- if old_task_status == "SCHEDULED" and task["status"] != old_task_status:
- self.db.update_rows(
- table="instance_actions",
- UPDATE={("number_failed" if task["status"] == "FAILED" else "number_done"): {"INCREMENT": 1}},
- WHERE={"uuid": task["instance_action_id"]})
- if database_update:
- where_filter = {"related": task["related"]}
- if task["item"] == "instance_nets" and task["datacenter_vim_id"]:
- where_filter["datacenter_tenant_id"] = task["datacenter_vim_id"]
- self.db.update_rows(table=task["item"],
- UPDATE=database_update,
- WHERE=where_filter)
- except db_base_Exception as e:
- self.logger.error("task={} Error updating database {}".format(task_id, e), exc_info=True)
-
- def insert_task(self, task):
- try:
- self.task_queue.put(task, False)
- return None
- except Queue.Full:
- raise vimconn.vimconnException(self.name + ": timeout inserting a task")
-
- def del_task(self, task):
- with self.task_lock:
- if task["status"] == "SCHEDULED":
- task["status"] = "SUPERSEDED"
- return True
- else: # task["status"] == "processing"
- self.task_lock.release()
- return False
-
- def run(self):
- self.logger.debug("Starting")
- while True:
- self.get_vimconnector()
- self.logger.debug("Vimconnector loaded")
- reload_thread = False
-
- while True:
- try:
- while not self.task_queue.empty():
- task = self.task_queue.get()
- if isinstance(task, list):
- pass
- elif isinstance(task, str):
- if task == 'exit':
- return 0
- elif task == 'reload':
- reload_thread = True
- break
- self.task_queue.task_done()
- if reload_thread:
- break
-
- task, related_tasks = self._get_db_task()
- if task:
- self._proccess_pending_tasks(task, related_tasks)
- else:
- time.sleep(5)
-
- except Exception as e:
- self.logger.critical("Unexpected exception at run: " + str(e), exc_info=True)
-
- self.logger.debug("Finishing")
-
- def _look_for_task(self, instance_action_id, task_id):
- """
- Look for a concrete task at vim_actions database table
- :param instance_action_id: The instance_action_id
- :param task_id: Can have several formats:
- <task index>: integer
- TASK-<task index> :backward compatibility,
- [TASK-]<instance_action_id>.<task index>: this instance_action_id overrides the one in the parameter
- :return: Task dictionary or None if not found
- """
- if isinstance(task_id, int):
- task_index = task_id
- else:
- if task_id.startswith("TASK-"):
- task_id = task_id[5:]
- ins_action_id, _, task_index = task_id.rpartition(".")
- if ins_action_id:
- instance_action_id = ins_action_id
-
- tasks = self.db.get_rows(FROM="vim_wim_actions", WHERE={"instance_action_id": instance_action_id,
- "task_index": task_index})
- if not tasks:
- return None
- task = tasks[0]
- task["params"] = None
- task["depends"] = {}
- if task["extra"]:
- extra = yaml.load(task["extra"])
- task["extra"] = extra
- task["params"] = extra.get("params")
- else:
- task["extra"] = {}
- return task
-
- @staticmethod
- def _format_vim_error_msg(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_vm(self, task):
- task_id = task["instance_action_id"] + "." + str(task["task_index"])
- try:
- params = task["params"]
- depends = task.get("depends")
- net_list = params[5]
- for net in net_list:
- if "net_id" in net and is_task_id(net["net_id"]): # change task_id into network_id
- network_id = task["depends"][net["net_id"]].get("vim_id")
- if not network_id:
- raise VimThreadException(
- "Cannot create VM because depends on a network not created or found: " +
- str(depends[net["net_id"]]["error_msg"]))
- net["net_id"] = network_id
- params_copy = deepcopy(params)
- vim_vm_id, created_items = self.vim.new_vminstance(*params_copy)
-
- # fill task_interfaces. Look for snd_net_id at database for each interface
- task_interfaces = {}
- for iface in params_copy[5]:
- task_interfaces[iface["vim_id"]] = {"iface_id": iface["uuid"]}
- result = self.db.get_rows(
- SELECT=('sdn_net_id', 'interface_id'),
- FROM='instance_nets as ine join instance_interfaces as ii on ii.instance_net_id=ine.uuid',
- WHERE={'ii.uuid': iface["uuid"]})
- if result:
- task_interfaces[iface["vim_id"]]["sdn_net_id"] = result[0]['sdn_net_id']
- task_interfaces[iface["vim_id"]]["interface_id"] = result[0]['interface_id']
- else:
- self.logger.critical("task={} new-VM: instance_nets uuid={} not found at DB".format(task_id,
- iface["uuid"]),
- exc_info=True)
-
- task["vim_info"] = {}
- task["extra"]["interfaces"] = task_interfaces
- task["extra"]["created"] = True
- task["extra"]["created_items"] = created_items
- task["extra"]["vim_status"] = "BUILD"
- task["error_msg"] = None
- task["status"] = "DONE"
- task["vim_id"] = vim_vm_id
- instance_element_update = {"status": "BUILD", "vim_vm_id": vim_vm_id, "error_msg": None}
- return instance_element_update
-
- except (vimconn.vimconnException, VimThreadException) as e:
- self.logger.error("task={} new-VM: {}".format(task_id, e))
- error_text = self._format_vim_error_msg(str(e))
- task["error_msg"] = error_text
- task["status"] = "FAILED"
- task["vim_id"] = None
- instance_element_update = {"status": "VIM_ERROR", "vim_vm_id": None, "error_msg": error_text}
- return instance_element_update
-
- def del_vm(self, task):
- task_id = task["instance_action_id"] + "." + str(task["task_index"])
- vm_vim_id = task["vim_id"]
- interfaces = task["extra"].get("interfaces", ())
- try:
- for iface in interfaces.values():
- if iface.get("sdn_port_id"):
- try:
- with self.db_lock:
- self.ovim.delete_port(iface["sdn_port_id"], idempotent=True)
- except ovimException as e:
- self.logger.error("task={} del-VM: ovimException when deleting external_port={}: {} ".format(
- task_id, iface["sdn_port_id"], e), exc_info=True)
- # TODO Set error_msg at instance_nets
-
- self.vim.delete_vminstance(vm_vim_id, task["extra"].get("created_items"))
- task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing
- task["error_msg"] = None
- return None
-
- except vimconn.vimconnException as e:
- task["error_msg"] = self._format_vim_error_msg(str(e))
- if isinstance(e, vimconn.vimconnNotFoundException):
- # If not found mark as Done and fill error_msg
- task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing
- return None
- task["status"] = "FAILED"
- return None
-
- def _get_net_internal(self, task, filter_param):
- """
- Common code for get_net and new_net. It looks for a network on VIM with the filter_params
- :param task: task for this find or find-or-create action
- :param filter_param: parameters to send to the vimconnector
- :return: a dict with the content to update the instance_nets database table. Raises an exception on error, or
- when network is not found or found more than one
- """
- vim_nets = self.vim.get_network_list(filter_param)
- if not vim_nets:
- raise VimThreadExceptionNotFound("Network not found with this criteria: '{}'".format(filter_param))
- elif len(vim_nets) > 1:
- raise VimThreadException("More than one network found with this criteria: '{}'".format(filter_param))
- vim_net_id = vim_nets[0]["id"]
-
- # Discover if this network is managed by a sdn controller
- sdn_net_id = None
- result = self.db.get_rows(SELECT=('sdn_net_id',), FROM='instance_nets',
- WHERE={'vim_net_id': vim_net_id, 'datacenter_tenant_id': self.datacenter_tenant_id},
- ORDER="instance_scenario_id")
- if result:
- sdn_net_id = result[0]['sdn_net_id']
-
- task["status"] = "DONE"
- task["extra"]["vim_info"] = {}
- task["extra"]["created"] = False
- task["extra"]["vim_status"] = "BUILD"
- task["extra"]["sdn_net_id"] = sdn_net_id
- task["error_msg"] = None
- task["vim_id"] = vim_net_id
- instance_element_update = {"vim_net_id": vim_net_id, "created": False, "status": "BUILD",
- "error_msg": None, "sdn_net_id": sdn_net_id}
- return instance_element_update
-
- def get_net(self, task):
- task_id = task["instance_action_id"] + "." + str(task["task_index"])
- try:
- params = task["params"]
- filter_param = params[0]
- instance_element_update = self._get_net_internal(task, filter_param)
- return instance_element_update
-
- except (vimconn.vimconnException, VimThreadException) as e:
- self.logger.error("task={} get-net: {}".format(task_id, e))
- task["status"] = "FAILED"
- task["vim_id"] = None
- task["error_msg"] = self._format_vim_error_msg(str(e))
- instance_element_update = {"vim_net_id": None, "status": "VIM_ERROR",
- "error_msg": task["error_msg"]}
- return instance_element_update
-
- def new_net(self, task):
- vim_net_id = None
- sdn_net_id = None
- task_id = task["instance_action_id"] + "." + str(task["task_index"])
- action_text = ""
- try:
- # FIND
- if task["extra"].get("find"):
- action_text = "finding"
- filter_param = task["extra"]["find"][0]
- try:
- instance_element_update = self._get_net_internal(task, filter_param)
- return instance_element_update
- except VimThreadExceptionNotFound:
- pass
- # CREATE
- params = task["params"]
- action_text = "creating VIM"
- vim_net_id, created_items = self.vim.new_network(*params[0:3])
-
- net_name = params[0]
- net_type = params[1]
- wim_account_name = None
- if len(params) >= 4:
- wim_account_name = params[3]
-
- 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(vim_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')
- action_text = "creating SDN"
- with self.db_lock:
- sdn_net_id = self.ovim.new_network(network)
-
- if wim_account_name and self.vim.config["wim_external_ports"]:
- # add external port to connect WIM. Try with compute node __WIM:wim_name and __WIM
- action_text = "attaching external port to ovim network"
- sdn_port_name = "external_port"
- sdn_port_data = {
- "compute_node": "__WIM:" + wim_account_name[0:58],
- "pci": None,
- "vlan": network["vlan"],
- "net_id": sdn_net_id,
- "region": self.vim["config"]["datacenter_id"],
- "name": sdn_port_name,
- }
- try:
- with self.db_lock:
- sdn_external_port_id = self.ovim.new_external_port(sdn_port_data)
- except ovimException:
- sdn_port_data["compute_node"] = "__WIM"
- with self.db_lock:
- sdn_external_port_id = self.ovim.new_external_port(sdn_port_data)
- self.logger.debug("Added sdn_external_port {} to sdn_network {}".format(sdn_external_port_id,
- sdn_net_id))
- task["status"] = "DONE"
- task["extra"]["vim_info"] = {}
- task["extra"]["sdn_net_id"] = sdn_net_id
- task["extra"]["vim_status"] = "BUILD"
- task["extra"]["created"] = True
- task["extra"]["created_items"] = created_items
- task["error_msg"] = None
- task["vim_id"] = vim_net_id
- instance_element_update = {"vim_net_id": vim_net_id, "sdn_net_id": sdn_net_id, "status": "BUILD",
- "created": True, "error_msg": None}
- return instance_element_update
- except (vimconn.vimconnException, ovimException) as e:
- self.logger.error("task={} new-net: Error {}: {}".format(task_id, action_text, e))
- task["status"] = "FAILED"
- task["vim_id"] = vim_net_id
- task["error_msg"] = self._format_vim_error_msg(str(e))
- task["extra"]["sdn_net_id"] = sdn_net_id
- instance_element_update = {"vim_net_id": vim_net_id, "sdn_net_id": sdn_net_id, "status": "VIM_ERROR",
- "error_msg": task["error_msg"]}
- return instance_element_update
-
- def del_net(self, task):
- net_vim_id = task["vim_id"]
- sdn_net_id = task["extra"].get("sdn_net_id")
- try:
- if net_vim_id:
- self.vim.delete_network(net_vim_id, task["extra"].get("created_items"))
- if sdn_net_id:
- # Delete any attached port to this sdn network. There can be ports associated to this network in case
- # it was manually done using 'openmano vim-net-sdn-attach'
- with self.db_lock:
- port_list = self.ovim.get_ports(columns={'uuid'},
- filter={'name': 'external_port', 'net_id': sdn_net_id})
- for port in port_list:
- self.ovim.delete_port(port['uuid'], idempotent=True)
- self.ovim.delete_network(sdn_net_id, idempotent=True)
- task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing
- task["error_msg"] = None
- return None
- except ovimException as e:
- task["error_msg"] = self._format_vim_error_msg("ovimException obtaining and deleting external "
- "ports for net {}: {}".format(sdn_net_id, str(e)))
- except vimconn.vimconnException as e:
- task["error_msg"] = self._format_vim_error_msg(str(e))
- if isinstance(e, vimconn.vimconnNotFoundException):
- # If not found mark as Done and fill error_msg
- task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing
- return None
- task["status"] = "FAILED"
- return None
-
- # Service Function Instances
- def new_sfi(self, task):
- vim_sfi_id = None
- try:
- # Waits for interfaces to be ready (avoids failure)
- time.sleep(1)
- dep_id = "TASK-" + str(task["extra"]["depends_on"][0])
- task_id = task["instance_action_id"] + "." + str(task["task_index"])
- error_text = ""
- interfaces = task["depends"][dep_id]["extra"].get("interfaces")
-
- ingress_interface_id = task.get("extra").get("params").get("ingress_interface_id")
- egress_interface_id = task.get("extra").get("params").get("egress_interface_id")
- ingress_vim_interface_id = None
- egress_vim_interface_id = None
- for vim_interface, interface_data in interfaces.iteritems():
- if interface_data.get("interface_id") == ingress_interface_id:
- ingress_vim_interface_id = vim_interface
- break
- if ingress_interface_id != egress_interface_id:
- for vim_interface, interface_data in interfaces.iteritems():
- if interface_data.get("interface_id") == egress_interface_id:
- egress_vim_interface_id = vim_interface
- break
- else:
- egress_vim_interface_id = ingress_vim_interface_id
- if not ingress_vim_interface_id or not egress_vim_interface_id:
- error_text = "Error creating Service Function Instance, Ingress: {}, Egress: {}".format(
- ingress_vim_interface_id, egress_vim_interface_id)
- self.logger.error(error_text)
- task["error_msg"] = error_text
- task["status"] = "FAILED"
- task["vim_id"] = None
- return None
- # At the moment, every port associated with the VM will be used both as ingress and egress ports.
- # Bear in mind that different VIM connectors might support SFI differently. In the case of OpenStack,
- # only the first ingress and first egress ports will be used to create the SFI (Port Pair).
- ingress_port_id_list = [ingress_vim_interface_id]
- egress_port_id_list = [egress_vim_interface_id]
- name = "sfi-%s" % task["item_id"][:8]
- # By default no form of IETF SFC Encapsulation will be used
- vim_sfi_id = self.vim.new_sfi(name, ingress_port_id_list, egress_port_id_list, sfc_encap=False)
-
- task["extra"]["created"] = True
- task["extra"]["vim_status"] = "ACTIVE"
- task["error_msg"] = None
- task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing
- task["vim_id"] = vim_sfi_id
- instance_element_update = {"status": "ACTIVE", "vim_sfi_id": vim_sfi_id, "error_msg": None}
- return instance_element_update
-
- except (vimconn.vimconnException, VimThreadException) as e:
- self.logger.error("Error creating Service Function Instance, task=%s: %s", task_id, str(e))
- error_text = self._format_vim_error_msg(str(e))
- task["error_msg"] = error_text
- task["status"] = "FAILED"
- task["vim_id"] = None
- instance_element_update = {"status": "VIM_ERROR", "vim_sfi_id": None, "error_msg": error_text}
- return instance_element_update
-
- def del_sfi(self, task):
- sfi_vim_id = task["vim_id"]
- try:
- self.vim.delete_sfi(sfi_vim_id)
- task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing
- task["error_msg"] = None
- return None
-
- except vimconn.vimconnException as e:
- task["error_msg"] = self._format_vim_error_msg(str(e))
- if isinstance(e, vimconn.vimconnNotFoundException):
- # If not found mark as Done and fill error_msg
- task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing
- return None
- task["status"] = "FAILED"
- return None
-
- def new_sf(self, task):
- vim_sf_id = None
- try:
- task_id = task["instance_action_id"] + "." + str(task["task_index"])
- error_text = ""
- depending_tasks = ["TASK-" + str(dep_id) for dep_id in task["extra"]["depends_on"]]
- # sfis = task.get("depends").values()[0].get("extra").get("params")[5]
- sfis = [task.get("depends").get(dep_task) for dep_task in depending_tasks]
- sfi_id_list = []
- for sfi in sfis:
- sfi_id_list.append(sfi.get("vim_id"))
- name = "sf-%s" % task["item_id"][:8]
- # By default no form of IETF SFC Encapsulation will be used
- vim_sf_id = self.vim.new_sf(name, sfi_id_list, sfc_encap=False)
-
- task["extra"]["created"] = True
- task["extra"]["vim_status"] = "ACTIVE"
- task["error_msg"] = None
- task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing
- task["vim_id"] = vim_sf_id
- instance_element_update = {"status": "ACTIVE", "vim_sf_id": vim_sf_id, "error_msg": None}
- return instance_element_update
-
- except (vimconn.vimconnException, VimThreadException) as e:
- self.logger.error("Error creating Service Function, task=%s: %s", task_id, str(e))
- error_text = self._format_vim_error_msg(str(e))
- task["error_msg"] = error_text
- task["status"] = "FAILED"
- task["vim_id"] = None
- instance_element_update = {"status": "VIM_ERROR", "vim_sf_id": None, "error_msg": error_text}
- return instance_element_update
-
- def del_sf(self, task):
- sf_vim_id = task["vim_id"]
- try:
- self.vim.delete_sf(sf_vim_id)
- task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing
- task["error_msg"] = None
- return None
-
- except vimconn.vimconnException as e:
- task["error_msg"] = self._format_vim_error_msg(str(e))
- if isinstance(e, vimconn.vimconnNotFoundException):
- # If not found mark as Done and fill error_msg
- task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing
- return None
- task["status"] = "FAILED"
- return None
-
- def new_classification(self, task):
- vim_classification_id = None
- try:
- params = task["params"]
- task_id = task["instance_action_id"] + "." + str(task["task_index"])
- dep_id = "TASK-" + str(task["extra"]["depends_on"][0])
- error_text = ""
- interfaces = task.get("depends").get(dep_id).get("extra").get("interfaces").keys()
- # Bear in mind that different VIM connectors might support Classifications differently.
- # In the case of OpenStack, only the first VNF attached to the classifier will be used
- # to create the Classification(s) (the "logical source port" of the "Flow Classifier").
- # Since the VNFFG classifier match lacks the ethertype, classification defaults to
- # using the IPv4 flow classifier.
- name = "c-%s" % task["item_id"][:8]
- # if not CIDR is given for the IP addresses, add /32:
- ip_proto = int(params.get("ip_proto"))
- source_ip = params.get("source_ip")
- destination_ip = params.get("destination_ip")
- source_port = params.get("source_port")
- destination_port = params.get("destination_port")
- definition = {"logical_source_port": interfaces[0]}
- if ip_proto:
- if ip_proto == 1:
- ip_proto = 'icmp'
- elif ip_proto == 6:
- ip_proto = 'tcp'
- elif ip_proto == 17:
- ip_proto = 'udp'
- definition["protocol"] = ip_proto
- if source_ip:
- if '/' not in source_ip:
- source_ip += '/32'
- definition["source_ip_prefix"] = source_ip
- if source_port:
- definition["source_port_range_min"] = source_port
- definition["source_port_range_max"] = source_port
- if destination_port:
- definition["destination_port_range_min"] = destination_port
- definition["destination_port_range_max"] = destination_port
- if destination_ip:
- if '/' not in destination_ip:
- destination_ip += '/32'
- definition["destination_ip_prefix"] = destination_ip
-
- vim_classification_id = self.vim.new_classification(
- name, 'legacy_flow_classifier', definition)
-
- task["extra"]["created"] = True
- task["extra"]["vim_status"] = "ACTIVE"
- task["error_msg"] = None
- task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing
- task["vim_id"] = vim_classification_id
- instance_element_update = {"status": "ACTIVE", "vim_classification_id": vim_classification_id,
- "error_msg": None}
- return instance_element_update
-
- except (vimconn.vimconnException, VimThreadException) as e:
- self.logger.error("Error creating Classification, task=%s: %s", task_id, str(e))
- error_text = self._format_vim_error_msg(str(e))
- task["error_msg"] = error_text
- task["status"] = "FAILED"
- task["vim_id"] = None
- instance_element_update = {"status": "VIM_ERROR", "vim_classification_id": None, "error_msg": error_text}
- return instance_element_update
-
- def del_classification(self, task):
- classification_vim_id = task["vim_id"]
- try:
- self.vim.delete_classification(classification_vim_id)
- task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing
- task["error_msg"] = None
- return None
-
- except vimconn.vimconnException as e:
- task["error_msg"] = self._format_vim_error_msg(str(e))
- if isinstance(e, vimconn.vimconnNotFoundException):
- # If not found mark as Done and fill error_msg
- task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing
- return None
- task["status"] = "FAILED"
- return None
-
- def new_sfp(self, task):
- vim_sfp_id = None
- try:
- task_id = task["instance_action_id"] + "." + str(task["task_index"])
- depending_tasks = [task.get("depends").get("TASK-" + str(tsk_id)) for tsk_id in
- task.get("extra").get("depends_on")]
- error_text = ""
- sf_id_list = []
- classification_id_list = []
- for dep in depending_tasks:
- vim_id = dep.get("vim_id")
- resource = dep.get("item")
- if resource == "instance_sfs":
- sf_id_list.append(vim_id)
- elif resource == "instance_classifications":
- classification_id_list.append(vim_id)
-
- name = "sfp-%s" % task["item_id"][:8]
- # By default no form of IETF SFC Encapsulation will be used
- vim_sfp_id = self.vim.new_sfp(name, classification_id_list, sf_id_list, sfc_encap=False)
-
- task["extra"]["created"] = True
- task["extra"]["vim_status"] = "ACTIVE"
- task["error_msg"] = None
- task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing
- task["vim_id"] = vim_sfp_id
- instance_element_update = {"status": "ACTIVE", "vim_sfp_id": vim_sfp_id, "error_msg": None}
- return instance_element_update
-
- except (vimconn.vimconnException, VimThreadException) as e:
- self.logger.error("Error creating Service Function, task=%s: %s", task_id, str(e))
- error_text = self._format_vim_error_msg(str(e))
- task["error_msg"] = error_text
- task["status"] = "FAILED"
- task["vim_id"] = None
- instance_element_update = {"status": "VIM_ERROR", "vim_sfp_id": None, "error_msg": error_text}
- return instance_element_update
-
- def del_sfp(self, task):
- sfp_vim_id = task["vim_id"]
- try:
- self.vim.delete_sfp(sfp_vim_id)
- task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing
- task["error_msg"] = None
- return None
-
- except vimconn.vimconnException as e:
- task["error_msg"] = self._format_vim_error_msg(str(e))
- if isinstance(e, vimconn.vimconnNotFoundException):
- # If not found mark as Done and fill error_msg
- task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing
- return None
- task["status"] = "FAILED"
- return None