X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=osm_ro%2Fvim_thread.py;h=b8f6a376c1ba7a7d65a2876f1d007e69bc8ed82c;hb=HEAD;hp=5d4463f1d1b01f4a894c23198ae91b0ae9fc43a3;hpb=1075715c0ebf180a8bdb7f663a8246488fd3849a;p=osm%2FRO.git diff --git a/osm_ro/vim_thread.py b/osm_ro/vim_thread.py deleted file mode 100644 index 5d4463f1..00000000 --- a/osm_ro/vim_thread.py +++ /dev/null @@ -1,1311 +0,0 @@ -# -*- 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 vim_id - 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 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 -} - - -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")) - - 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["vim_id"] - task["depends"]["TASK-{}.{}".format(task["instance_action_id"], task_index)] =\ - task_dependency["vim_id"] - 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: - self.db.update_rows(table=task["item"], - UPDATE=database_update, - WHERE={"related": task["related"]}) - 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: - : integer - TASK- :backward compatibility, - [TASK-].: 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"]] - 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 = sdn_net_id + "." + task["vim_id"] - sdn_port_name = sdn_port_name[:63] - 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 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) - if net_vim_id: - self.vim.delete_network(net_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 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.get("depends").get(dep_id).get("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