X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=osm_ro%2Fvim_thread.py;h=f4849f48ac9abec3bd16314f4be5d6c91095ccdb;hb=HEAD;hp=2c30fb9046c19657da100144445a7c1e7afda7ea;hpb=98e909c77827a222ad5658554dee51ecffbdaff0;p=osm%2FRO.git diff --git a/osm_ro/vim_thread.py b/osm_ro/vim_thread.py deleted file mode 100644 index 2c30fb90..00000000 --- a/osm_ro/vim_thread.py +++ /dev/null @@ -1,854 +0,0 @@ -# -*- coding: utf-8 -*- - -## -# Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U. -# This file is part of openvim -# All Rights Reserved. -# -# Licensed under the Apache License, Version 2.0 (the "License"); you may -# not use this file except in compliance with the License. You may obtain -# a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT -# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the -# License for the specific language governing permissions and limitations -# under the License. -# -# For those usages not covered by the Apache License, Version 2.0 please -# contact with: nfvlabs@tid.es -## - -"""" -This is thread that interacts with a VIM. It processes TASKs sequentially against a single VIM. -The tasks are stored at database in table vim_actions -The task content are (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 with the previous are a key - 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 action: CREATE, DELETE, FIND - 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- MD item_id: uuid of the referenced entry in the preious table - MD status: SCHEDULED,BUILD,DONE,FAILED,SUPERSEDED - MD extra: text with yaml format at database, dict at memory with: - params: list with the params to be sent to the VIM for CREATE or FIND.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 depends on a net - sdn_net_id: used for net. - tries: - 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: - 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 - M depends: dict with task_index(from depends_on) to task class - M params: same as extra[params] but with the resolved dependencies - M vim_interfaces: similar to extra[interfaces] but with VIM information. Stored at database in the instance_XXX but not at vim_actions - M vim_info: Detailed information of a vm,net from the VIM. Stored at database in the instance_XXX but not at vim_actions - MD error_msg: descriptive text upon an error.Stored also at database instance_XXX - MD created_at: task creation time - MD modified_at: last task update time. On refresh it contains when this task need to be refreshed - -""" - -import threading -import time -import Queue -import logging -import vimconn -import yaml -from db_base import db_base_Exception -from lib_osm_openvim.ovim import ovimException - -__author__ = "Alfonso Tierno, Pablo Montes" -__date__ = "$28-Sep-2017 12:07:15$" - -# from logging import Logger -# import auxiliary_functions as af - - -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 - - def __init__(self, myvimconn, 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) - if isinstance(myvimconn, vimconn.vimconnException): - self.vim = None - self.error_status = "Error accesing to VIM: {}".format(myvimconn) - else: - self.vim = myvimconn - 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.logger = logging.getLogger('openmano.vim.'+self.name) - self.db = db - self.db_lock = db_lock - - self.task_lock = task_lock - self.task_queue = Queue.Queue(2000) - - self.refresh_tasks = [] - """Contains time ordered task list for refreshing the status of VIM VMs and nets""" - - self.pending_tasks = [] - """Contains time ordered task list for creation, deletion of VIM VMs and nets""" - - self.grouped_tasks = {} - """ It contains all the creation/deletion pending tasks grouped by its concrete vm, net, etc - : - - # e.g. CREATE task - # e.g. DELETE task - """ - - def _reload_vim_actions(self): - """ - Read actions from database and reload them at memory. Fill self.refresh_list, pending_list, vim_actions - :return: None - """ - action_completed = False - task_list = [] - old_action_key = None - - with self.db_lock: - vim_actions = self.db.get_rows(FROM="vim_actions", - WHERE={"datacenter_vim_id": self.datacenter_tenant_id }, - ORDER_BY=("item", "item_id", "created_at",)) - for task in vim_actions: - item = task["item"] - item_id = task["item_id"] - action_key = item + item_id - if old_action_key != action_key: - if not action_completed and task_list: - # This will fill needed task parameters into memory, and insert the task if needed in - # self.pending_tasks or self.refresh_tasks - self._insert_pending_tasks(task_list) - task_list = [] - old_action_key = action_key - action_completed = False - elif action_completed: - continue - - if task["status"] == "SCHEDULED" or task["action"] == "CREATE" or task["action"] == "FIND": - task_list.append(task) - elif task["action"] == "DELETE": - # action completed because deleted and status is not SCHEDULED. Not needed anything - action_completed = True - - # Last actions group need to be inserted too - if not action_completed and task_list: - self._insert_pending_tasks(task_list) - - def _refres_elements(self): - """Call VIM to get VMs and networks status until 10 elements""" - now = time.time() - nb_processed = 0 - vm_to_refresh_list = [] - net_to_refresh_list = [] - vm_to_refresh_dict = {} - net_to_refresh_dict = {} - items_to_refresh = 0 - while self.refresh_tasks: - task = self.refresh_tasks[0] - with self.task_lock: - if task['status'] == 'SUPERSEDED': - self.refresh_tasks.pop(0) - continue - if task['modified_at'] > now: - break - # task["status"] = "processing" - nb_processed += 1 - self.refresh_tasks.pop(0) - if task["item"] == 'instance_vms': - vm_to_refresh_list.append(task["vim_id"]) - vm_to_refresh_dict[task["vim_id"]] = task - elif task["item"] == 'instance_nets': - net_to_refresh_list.append(task["vim_id"]) - net_to_refresh_dict[task["vim_id"]] = task - else: - error_text = "unknown task {}".format(task["item"]) - self.logger.error(error_text) - items_to_refresh += 1 - if items_to_refresh == 10: - break - - if vm_to_refresh_list: - try: - now = time.time() - vim_dict = self.vim.refresh_vms_status(vm_to_refresh_list) - for vim_id, vim_info in vim_dict.items(): - # look for task - task_need_update = False - task = vm_to_refresh_dict[vim_id] - self.logger.debug("get-vm vm_id=%s result=%s", task["vim_id"], str(vim_info)) - - # update database - task_vim_info = task.get("vim_info") - task_error_msg = task.get("error_msg") - task_vim_status = task["extra"].get("vim_status") - if vim_info.get("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.get("error_msg") or \ - task_vim_info != vim_info.get("vim_info"): - with self.db_lock: - temp_dict = {"status": vim_info["status"], - "error_msg": vim_info.get("error_msg"), - "vim_info": vim_info.get("vim_info")} - self.db.update_rows('instance_vms', UPDATE=temp_dict, WHERE={"uuid": task["item_id"]}) - task["extra"]["vim_status"] = vim_info["status"] - task["error_msg"] = vim_info.get("error_msg") - task["vim_info"] = vim_info.get("vim_info") - task_need_update = True - 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("Interface not found {} on task info {}".format( - vim_interface_id, task["extra"]["interfaces"]), exc_info=True) - continue - task_interface = task["extra"]["interfaces"][vim_interface_id] - task_vim_interface = task["vim_interfaces"].get(vim_interface_id) - 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"]) - task_interface["sdn_port_id"] = None - task_need_update = True - except ovimException as e: - self.logger.error("ovimException deleting external_port={} ".format( - task_interface["sdn_port_id"]) + str(e), exc_info=True) - # TODO Set error_msg at instance_nets - - # 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 - task_need_update = True - except (ovimException, Exception) as e: - self.logger.error( - "ovimException creating new_external_port compute_node={} " - "pci={} vlan={} ".format( - interface["compute_node"], - interface["pci"], - interface.get("vlan")) + str(e), - exc_info=True) - # TODO Set error_msg at instance_nets - with self.db_lock: - self.db.update_rows( - 'instance_interfaces', - UPDATE={"mac_address": interface.get("mac_address"), - "ip_address": interface.get("ip_address"), - "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["vim_interfaces"][vim_interface_id] = interface - if task_need_update: - with self.db_lock: - self.db.update_rows( - 'vim_actions', - UPDATE={"extra": yaml.safe_dump(task["extra"], default_flow_style=True, width=256), - "error_msg": task.get("error_msg"), "modified_at": now}, - WHERE={'instance_action_id': task['instance_action_id'], - 'task_index': task['task_index']}) - if task["extra"].get("vim_status") == "BUILD": - self._insert_refresh(task, now + self.REFRESH_BUILD) - else: - self._insert_refresh(task, now + self.REFRESH_ACTIVE) - except vimconn.vimconnException as e: - self.logger.error("vimconnException Exception when trying to refresh vms " + str(e)) - self._insert_refresh(task, now + self.REFRESH_ACTIVE) - - if net_to_refresh_list: - try: - now = time.time() - vim_dict = self.vim.refresh_nets_status(net_to_refresh_list) - for vim_id, vim_info in vim_dict.items(): - # look for task - task = net_to_refresh_dict[vim_id] - self.logger.debug("get-net net_id=%s result=%s", task["vim_id"], str(vim_info)) - - task_vim_info = task.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") - - # get ovim status - if task_sdn_net_id: - try: - with self.db_lock: - sdn_net = self.ovim.show_network(task_sdn_net_id) - if sdn_net["status"] == "ERROR": - if not vim_info.get("error_msg"): - vim_info["error_msg"] = sdn_net["error_msg"] - else: - vim_info["error_msg"] = "VIM_ERROR: {} && SDN_ERROR: {}".format( - self._format_vim_error_msg(vim_info["error_msg"], 1024//2-14), - self._format_vim_error_msg(sdn_net["error_msg"], 1024//2-14)) - if vim_info["status"] == "VIM_ERROR": - vim_info["status"] = "VIM_SDN_ERROR" - else: - vim_info["status"] = "SDN_ERROR" - - except (ovimException, Exception) as e: - self.logger.error( - "ovimException getting network infor snd_net_id={}".format(task_sdn_net_id), - exc_info=True) - # TODO Set error_msg at instance_nets - - # update database - if vim_info.get("error_msg"): - vim_info["error_msg"] = self._format_vim_error_msg(vim_info["error_msg"]) - if task_vim_status != vim_info["status"] or task_error_msg != vim_info.get("error_msg") or \ - task_vim_info != vim_info["vim_info"]: - task["extra"]["vim_status"] = vim_info["status"] - task["error_msg"] = vim_info.get("error_msg") - task["vim_info"] = vim_info["vim_info"] - temp_dict = {"status": vim_info["status"], - "error_msg": vim_info.get("error_msg"), - "vim_info": vim_info["vim_info"]} - with self.db_lock: - self.db.update_rows('instance_nets', UPDATE=temp_dict, WHERE={"uuid": task["item_id"]}) - self.db.update_rows( - 'vim_actions', - UPDATE={"extra": yaml.safe_dump(task["extra"], default_flow_style=True, width=256), - "error_msg": task.get("error_msg"), "modified_at": now}, - WHERE={'instance_action_id': task['instance_action_id'], - 'task_index': task['task_index']}) - if task["extra"].get("vim_status") == "BUILD": - self._insert_refresh(task, now + self.REFRESH_BUILD) - else: - self._insert_refresh(task, now + self.REFRESH_ACTIVE) - except vimconn.vimconnException as e: - self.logger.error("vimconnException Exception when trying to refresh nets " + str(e)) - self._insert_refresh(task, now + self.REFRESH_ACTIVE) - - return nb_processed - - def _insert_refresh(self, task, threshold_time=None): - """Insert a task at list of refreshing elements. The refreshing list is ordered by threshold_time (task['modified_at'] - It is assumed that this is called inside this thread - """ - if not self.vim: - return - if not threshold_time: - threshold_time = time.time() - task["modified_at"] = threshold_time - task_name = task["item"][9:] + "-" + task["action"] - task_id = task["instance_action_id"] + "." + str(task["task_index"]) - for index in range(0, len(self.refresh_tasks)): - if self.refresh_tasks[index]["modified_at"] > threshold_time: - self.refresh_tasks.insert(index, task) - break - else: - index = len(self.refresh_tasks) - self.refresh_tasks.append(task) - self.logger.debug("new refresh task={} name={}, modified_at={} index={}".format( - task_id, task_name, task["modified_at"], index)) - - def _remove_refresh(self, task_name, vim_id): - """Remove a task with this name and vim_id from the list of refreshing elements. - It is assumed that this is called inside this thread outside _refres_elements method - Return True if self.refresh_list is modified, task is found - Return False if not found - """ - index_to_delete = None - for index in range(0, len(self.refresh_tasks)): - if self.refresh_tasks[index]["name"] == task_name and self.refresh_tasks[index]["vim_id"] == vim_id: - index_to_delete = index - break - else: - return False - if index_to_delete != None: - del self.refresh_tasks[index_to_delete] - return True - - def _proccess_pending_tasks(self): - nb_created = 0 - nb_processed = 0 - while self.pending_tasks: - task = self.pending_tasks.pop(0) - nb_processed += 1 - if task["status"] == "SUPERSEDED": - # not needed to do anything but update database with the new status - result = True - database_update = None - elif not self.vim: - task["status"] == "ERROR" - task["error_msg"] = self.error_status - result = False - database_update = {"status": "VIM_ERROR", "error_msg": task["error_msg"]} - elif task["item"] == 'instance_vms': - if task["action"] == "CREATE": - result, database_update = self.new_vm(task) - nb_created += 1 - elif task["action"] == "DELETE": - result, database_update = self.del_vm(task) - else: - raise vimconn.vimconnException(self.name + "unknown task action {}".format(task["action"])) - elif task["item"] == 'instance_nets': - if task["action"] == "CREATE": - result, database_update = self.new_net(task) - nb_created += 1 - elif task["action"] == "DELETE": - result, database_update = self.del_net(task) - elif task["action"] == "FIND": - result, database_update = self.get_net(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 - - if task["status"] == "SCHEDULED": - # This is because a depend task is not completed. Moved to the end. NOT USED YET - if task["extra"].get("tries", 0) > 3: - task["status"] == "FAILED" - else: - task["extra"]["tries"] = task["extra"].get("tries", 0) + 1 - self.pending_tasks.append(task) - elif task["action"] == "DELETE": - action_key = task["item"] + task["item_id"] - del self.grouped_tasks[action_key] - elif task["action"] in ("CREATE", "FIND") and task["status"] in ("DONE", "BUILD"): - self._insert_refresh(task) - - self.logger.debug("vim_action id={}.{} item={} action={} result={}:{} params={}".format( - task["instance_action_id"], task["task_index"], task["item"], task["action"], - task["status"], task["vim_id"] if task["status"] == "DONE" else task.get("error_msg"), - task["params"])) - try: - now = time.time() - with self.db_lock: - self.db.update_rows( - table="vim_actions", - UPDATE={"status": task["status"], "vim_id": task["vim_id"], "modified_at": now, - "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"]}) - if result is not None: - self.db.update_rows( - table="instance_actions", - UPDATE={("number_done" if result else "number_failed"): {"INCREMENT": 1}, - "modified_at": now}, - WHERE={"uuid": task["instance_action_id"]}) - if database_update: - self.db.update_rows(table=task["item"], - UPDATE=database_update, - WHERE={"uuid": task["item_id"]}) - except db_base_Exception as e: - self.logger.error("Error updating database %s", str(e), exc_info=True) - - if nb_created == 10: - break - return nb_processed - - def _insert_pending_tasks(self, vim_actions_list): - now = time.time() - for task in vim_actions_list: - if task["datacenter_vim_id"] != self.datacenter_tenant_id: - continue - item = task["item"] - item_id = task["item_id"] - action_key = item + item_id - if action_key not in self.grouped_tasks: - self.grouped_tasks[action_key] = [] - task["params"] = None - task["depends"] = {} - if task["extra"]: - extra = yaml.load(task["extra"]) - task["extra"] = extra - task["params"] = extra.get("params") - depends_on_list = extra.get("depends_on") - if depends_on_list: - for index in depends_on_list: - if index < len(vim_actions_list) and vim_actions_list[index]["task_index"] == index and\ - vim_actions_list[index]["instance_action_id"] == task["instance_action_id"]: - task["depends"]["TASK-" + str(index)] = vim_actions_list[index] - if extra.get("interfaces"): - task["vim_interfaces"] = {} - else: - task["extra"] = {} - if "error_msg" not in task: - task["error_msg"] = None - if "vim_id" not in task: - task["vim_id"] = None - - if task["action"] == "DELETE": - need_delete_action = False - for to_supersede in self.grouped_tasks.get(action_key, ()): - if to_supersede["action"] == "FIND" and to_supersede.get("vim_id"): - task["vim_id"] = to_supersede["vim_id"] - if to_supersede["action"] == "CREATE" and to_supersede.get("vim_id") and \ - to_supersede["extra"].get("created", True): - need_delete_action = True - task["vim_id"] = to_supersede["vim_id"] - if to_supersede["extra"].get("sdn_vim_id"): - task["extra"]["sdn_vim_id"] = to_supersede["extra"]["sdn_vim_id"] - if to_supersede["extra"].get("interfaces"): - task["extra"]["interfaces"] = to_supersede["extra"]["interfaces"] - if to_supersede["extra"].get("created_items"): - if not task["extra"].get("created_items"): - task["extra"]["created_items"] = {} - task["extra"]["created_items"].update(to_supersede["extra"]["created_items"]) - # Mark task as SUPERSEDED. - # If task is in self.pending_tasks, it will be removed and database will be update - # If task is in self.refresh_tasks, it will be removed - to_supersede["status"] = "SUPERSEDED" - if not need_delete_action: - task["status"] = "SUPERSEDED" - - self.grouped_tasks[action_key].append(task) - self.pending_tasks.append(task) - elif task["status"] == "SCHEDULED": - self.grouped_tasks[action_key].append(task) - self.pending_tasks.append(task) - elif task["action"] in ("CREATE", "FIND"): - self.grouped_tasks[action_key].append(task) - if task["status"] in ("DONE", "BUILD"): - self._insert_refresh(task) - # TODO add VM reset, get console, etc... - else: - raise vimconn.vimconnException(self.name + "unknown vim_action action {}".format(task["action"])) - - 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._reload_vim_actions() - reload_thread = False - while True: - try: - while not self.task_queue.empty(): - task = self.task_queue.get() - if isinstance(task, list): - self._insert_pending_tasks(task) - 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 - nb_processed = self._proccess_pending_tasks() - nb_processed += self._refres_elements() - if not nb_processed: - time.sleep(1) - - except Exception as e: - self.logger.critical("Unexpected exception at run: " + str(e), exc_info=True) - - self.logger.debug("Finishing") - - def terminate(self, task): - return True, None - - def _look_for_task(self, instance_action_id, task_id): - task_index = task_id.split("-")[-1] - with self.db_lock: - tasks = self.db.get_rows(FROM="vim_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") - if extra.get("interfaces"): - task["vim_interfaces"] = {} - else: - task["extra"] = {} - return task - - def _format_vim_error_msg(self, error_text, max_length=1024): - if error_text and len(error_text) >= max_length: - return error_text[:max_length//2-3] + " ... " + error_text[-max_length//2+3:] - return error_text - - def new_vm(self, task): - try: - params = task["params"] - task_id = task["instance_action_id"] + "." + str(task["task_index"]) - depends = task.get("depends") - net_list = params[5] - error_text = "" - for net in net_list: - if "net_id" in net and is_task_id(net["net_id"]): # change task_id into network_id - if net["net_id"] in depends: - task_net = depends[net["net_id"]] - else: - task_net = self._look_for_task(task["instance_action_id"], net["net_id"]) - if not task_net: - raise VimThreadException( - "Error trying to get depending task from task_index={}".format(net["net_id"])) - network_id = task_net.get("vim_id") - if not network_id: - raise VimThreadException( - "Cannot create VM because depends on a network not created or found: " + - str(task_net["error_msg"])) - net["net_id"] = network_id - vim_vm_id, created_items = self.vim.new_vminstance(*params) - - # fill task_interfaces. Look for snd_net_id at database for each interface - task_interfaces = {} - for iface in net_list: - task_interfaces[iface["vim_id"]] = {"iface_id": iface["uuid"]} - with self.db_lock: - result = self.db.get_rows(SELECT=('sdn_net_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'] - else: - self.logger.critical("Error creating VM, task=%s Network {} not found at DB", task_id, - iface["uuid"], exc_info=True) - - task["vim_info"] = {} - task["vim_interfaces"] = {} - task["extra"]["interfaces"] = task_interfaces - task["extra"]["created"] = True - task["extra"]["created_items"] = created_items - 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 True, instance_element_update - - except (vimconn.vimconnException, VimThreadException) as e: - self.logger.error("Error creating VM, 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_vm_id": None, "error_msg": error_text} - return False, instance_element_update - - def del_vm(self, task): - 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"]) - except ovimException as e: - self.logger.error("ovimException deleting external_port={} at VM vim_id={} deletion ".format( - iface["sdn_port_id"], vm_vim_id) + str(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"] = "DONE" - task["error_msg"] = None - return True, 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"] = "DONE" - return True, None - task["status"] = "FAILED" - return False, 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)) - elif len(vim_nets) > 1: - raise VimThreadException("More than one network found with this criteria: '{}'".format(filter)) - vim_net_id = vim_nets[0]["id"] - - # Discover if this network is managed by a sdn controller - sdn_net_id = None - with self.db_lock: - result = self.db.get_rows(SELECT=('sdn_net_id',), FROM='instance_nets', - WHERE={'vim_net_id': vim_net_id, 'instance_scenario_id': None, - 'datacenter_tenant_id': self.datacenter_tenant_id}) - if result: - sdn_net_id = result[0]['sdn_net_id'] - - task["status"] = "DONE" - task["extra"]["vim_info"] = {} - task["extra"]["created"] = False - 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} - return instance_element_update - - def get_net(self, task): - try: - task_id = task["instance_action_id"] + "." + str(task["task_index"]) - params = task["params"] - filter_param = params[0] - instance_element_update = self._get_net_internal(task, filter_param) - return True, instance_element_update - - except (vimconn.vimconnException, VimThreadException) as e: - self.logger.error("Error looking for NET, task=%s: %s", str(task_id), str(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 False, instance_element_update - - def new_net(self, task): - try: - task_id = task["instance_action_id"] + "." + str(task["task_index"]) - # 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 True, instance_element_update - except VimThreadExceptionNotFound: - pass - # CREATE - params = task["params"] - action_text = "creating" - vim_net_id = self.vim.new_network(*params) - - net_name = params[0] - net_type = params[1] - - sdn_net_id = None - sdn_controller = self.vim.config.get('sdn-controller') - if sdn_controller and (net_type == "data" or net_type == "ptp"): - network = {"name": net_name, "type": net_type, "region": self.vim["config"]["datacenter_id"]} - - vim_net = self.vim.get_network(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') - try: - with self.db_lock: - sdn_net_id = self.ovim.new_network(network) - except (ovimException, Exception) as e: - self.logger.error("task=%s cannot create SDN network vim_net_id=%s input='%s' ovimException='%s'", - str(task_id), vim_net_id, str(network), str(e)) - task["status"] = "DONE" - task["extra"]["vim_info"] = {} - task["extra"]["sdn_net_id"] = sdn_net_id - task["extra"]["created"] = True - 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 True, instance_element_update - except vimconn.vimconnException as e: - self.logger.error("Error {} NET, task=%s: %s", action_text, str(task_id), str(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, "sdn_net_id": None, "status": "VIM_ERROR", - "error_msg": task["error_msg"]} - return False, 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']) - self.ovim.delete_network(sdn_net_id) - self.vim.delete_network(net_vim_id) - task["status"] = "DONE" - task["error_msg"] = None - return True, 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"] = "DONE" - return True, None - task["status"] = "FAILED" - return False, None