X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=osm_ro%2Fvim_thread.py;h=f185db817908d615908bcdcc88cf3c7227bd9985;hb=1d55a23c9cd32f17bb7a6f21e5b6c2b476c5804f;hp=2c30fb9046c19657da100144445a7c1e7afda7ea;hpb=98e909c77827a222ad5658554dee51ecffbdaff0;p=osm%2FRO.git diff --git a/osm_ro/vim_thread.py b/osm_ro/vim_thread.py index 2c30fb90..f185db81 100644 --- a/osm_ro/vim_thread.py +++ b/osm_ro/vim_thread.py @@ -1,7 +1,7 @@ # -*- coding: utf-8 -*- ## -# Copyright 2015 Telefónica Investigación y Desarrollo, S.A.U. +# Copyright 2015 Telefonica Investigacion y Desarrollo, S.A.U. # This file is part of openvim # All Rights Reserved. # @@ -23,36 +23,56 @@ """" 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): +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 with the previous are a key + 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 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- MD item_id: uuid of the referenced entry in the preious table - MD status: SCHEDULED,BUILD,DONE,FAILED,SUPERSEDED + MD item_id: uuid of the referenced entry in the previous table + MD action: CREATE, DELETE, FIND + MD status: SCHEDULED: action need to be done + BUILD: not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 depends on a net + 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. - 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: + 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 - 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 + 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 - MD modified_at: last task update time. On refresh it contains when this task need to be refreshed + 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. """ @@ -61,15 +81,30 @@ 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__ = "$28-Sep-2017 12:07:15$" -# from logging import Logger -# import auxiliary_functions as af +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): @@ -85,10 +120,12 @@ class VimThreadExceptionNotFound(VimThreadException): class vim_thread(threading.Thread): - REFRESH_BUILD = 5 # 5 seconds - REFRESH_ACTIVE = 60 # 1 minute + REFRESH_BUILD = 5 # 5 seconds + REFRESH_ACTIVE = 60 # 1 minute + REFRESH_ERROR = 600 + REFRESH_DELETE = 3600 * 10 - def __init__(self, myvimconn, task_lock, name=None, datacenter_name=None, datacenter_tenant_id=None, + 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: @@ -98,12 +135,8 @@ class vim_thread(threading.Thread): '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.vim = None + self.error_status = None self.datacenter_name = datacenter_name self.datacenter_tenant_id = datacenter_tenant_id self.ovim = ovim @@ -111,452 +144,578 @@ class vim_thread(threading.Thread): 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.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 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 _reload_vim_actions(self): + def _get_db_task(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: + 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 - # 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 + + # 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: - error_text = "unknown task {}".format(task["item"]) - self.logger.error(error_text) - items_to_refresh += 1 - if items_to_refresh == 10: - break + task["vim_id"] = task_create["vim_id"] + copy_extra_created(copy_to=task["extra"], copy_from=task_create["extra"]) + return True - 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"): + 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: - 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', + 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"), - }, + "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) + 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)) - if net_to_refresh_list: + 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: - 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) + 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 - return nb_processed + 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 - 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["status"] = "FAILED" task["error_msg"] = self.error_status - result = False 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["action"] == "CREATE": - result, database_update = self.new_vm(task) - nb_created += 1 + 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": - result, database_update = self.del_vm(task) + 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 + 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": - result, database_update = self.del_net(task) + self.del_net(task) elif task["action"] == "FIND": - result, database_update = self.get_net(task) + 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 - 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"])) + 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: @@ -568,23 +727,25 @@ class vim_thread(threading.Thread): def del_task(self, task): with self.task_lock: if task["status"] == "SCHEDULED": - task["status"] == "SUPERSEDED" + task["status"] = "SUPERSEDED" return True - else: # task["status"] == "processing" + else: # task["status"] == "processing" self.task_lock.release() return False def run(self): self.logger.debug("Starting") while True: - self._reload_vim_actions() + 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): - self._insert_pending_tasks(task) + pass elif isinstance(task, str): if task == 'exit': return 0 @@ -594,24 +755,39 @@ class vim_thread(threading.Thread): 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) + + 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 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}) + """ + 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] @@ -621,76 +797,71 @@ class vim_thread(threading.Thread): 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): + @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[: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"] - 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") + 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(task_net["error_msg"])) + str(depends[net["net_id"]]["error_msg"])) net["net_id"] = network_id - vim_vm_id, created_items = self.vim.new_vminstance(*params) + 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 net_list: + for iface in params_copy[5]: 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"]}) + 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("Error creating VM, task=%s Network {} not found at DB", task_id, - iface["uuid"], exc_info=True) + 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["vim_interfaces"] = {} 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 True, instance_element_update + return instance_element_update except (vimconn.vimconnException, VimThreadException) as e: - self.logger.error("Error creating VM, task=%s: %s", task_id, str(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 False, instance_element_update + 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: @@ -698,25 +869,25 @@ class vim_thread(threading.Thread): if iface.get("sdn_port_id"): try: with self.db_lock: - self.ovim.delete_port(iface["sdn_port_id"]) + self.ovim.delete_port(iface["sdn_port_id"], idempotent=True) 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) + 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"] = "DONE" + task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing task["error_msg"] = None - return True, 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"] = "DONE" - return True, None + task["status"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing + return None task["status"] = "FAILED" - return False, None + return None def _get_net_internal(self, task, filter_param): """ @@ -728,68 +899,73 @@ class vim_thread(threading.Thread): """ vim_nets = self.vim.get_network_list(filter_param) if not vim_nets: - raise VimThreadExceptionNotFound("Network not found with this criteria: '{}'".format(filter)) + 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)) + 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 - 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}) + 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} + "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: - 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 + return instance_element_update except (vimconn.vimconnException, VimThreadException) as e: - self.logger.error("Error looking for NET, task=%s: %s", str(task_id), str(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 False, instance_element_update + 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: - 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 + return instance_element_update except VimThreadExceptionNotFound: pass # CREATE params = task["params"] - action_text = "creating" - vim_net_id = self.vim.new_network(*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_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"]} @@ -800,34 +976,58 @@ class vim_thread(threading.Thread): "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)) + 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 True, instance_element_update - except vimconn.vimconnException as e: - self.logger.error("Error {} NET, task=%s: %s", action_text, str(task_id), str(e)) + 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"] = None + task["vim_id"] = vim_net_id task["error_msg"] = self._format_vim_error_msg(str(e)) - instance_element_update = {"vim_net_id": None, "sdn_net_id": None, "status": "VIM_ERROR", + 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 False, instance_element_update + 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' @@ -835,12 +1035,11 @@ class vim_thread(threading.Thread): 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" + 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 True, 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))) @@ -848,7 +1047,270 @@ class vim_thread(threading.Thread): 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"] = "FINISHED" # with FINISHED instead of DONE it will not be refreshing + return None task["status"] = "FAILED" - return False, None + 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