X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=osm_ro%2Fvim_thread.py;h=f7bc40ba0943bb7f086e12eda16c6aaaea36fd91;hb=981df9a859f8ed8e9d295221635cf6efcb5df72c;hp=fc78d5fae6f3e6041619b8870c1fd3c7fdf8203f;hpb=d2836fcc27661ec1638c464850bc76da067deb11;p=osm%2FRO.git diff --git a/osm_ro/vim_thread.py b/osm_ro/vim_thread.py index fc78d5fa..f7bc40ba 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. # @@ -23,7 +23,7 @@ """" 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 tasks are stored at database in table vim_wim_actions The task content is (M: stored at memory, D: stored at database): MD instance_action_id: reference a global action over an instance-scenario: database instance_actions MD task_index: index number of the task. This together with the previous forms a unique key identifier @@ -37,6 +37,7 @@ The task content is (M: stored at memory, D: stored at database): 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 @@ -48,8 +49,8 @@ The task content is (M: stored at memory, D: stored at database): 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 + M vim_interfaces: similar to extra[interfaces] but with VIM information. Stored at database in the instance_XXX but not at vim_wim_actions + M vim_info: Detailed information of a vm,net from the VIM. Stored at database in the instance_XXX but not at vim_wim_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 @@ -61,13 +62,27 @@ import time import Queue import logging import vimconn +import vimconn_openvim +import vimconn_aws +import vimconn_opennebula +import vimconn_openstack +import vimconn_vmware import yaml from db_base import db_base_Exception from lib_osm_openvim.ovim import ovimException +from copy import deepcopy __author__ = "Alfonso Tierno, Pablo Montes" __date__ = "$28-Sep-2017 12:07:15$" +vim_module = { + "openvim": vimconn_openvim, + "aws": vimconn_aws, + "opennebula": vimconn_opennebula, + "openstack": vimconn_openstack, + "vmware": vimconn_vmware, +} + def is_task_id(task_id): return task_id.startswith("TASK-") @@ -82,10 +97,10 @@ 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 - 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: @@ -95,12 +110,8 @@ 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 @@ -108,8 +119,9 @@ class vim_thread(threading.Thread): self.name = vimconn["id"] + "." + vimconn["config"]["datacenter_tenant_id"] else: self.name = name + self.vim_persistent_info = {} - self.logger = logging.getLogger('openmano.vim.'+self.name) + self.logger = logging.getLogger('openmano.vim.' + self.name) self.db = db self.db_lock = db_lock @@ -129,6 +141,38 @@ class vim_thread(threading.Thread): # 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} + with self.db_lock: + 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') + + 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): """ Read actions from database and reload them at memory. Fill self.refresh_list, pending_list, vim_actions @@ -146,7 +190,7 @@ class vim_thread(threading.Thread): while True: # get 200 (database_limit) entries each time with self.db_lock: - vim_actions = self.db.get_rows(FROM="vim_actions", + vim_actions = self.db.get_rows(FROM="vim_wim_actions", WHERE={"datacenter_vim_id": self.datacenter_tenant_id, "item_id>=": old_item_id}, ORDER_BY=("item_id", "item", "created_at",), @@ -275,7 +319,7 @@ class vim_thread(threading.Thread): if task_interface.get("sdn_port_id"): try: with self.db_lock: - self.ovim.delete_port(task_interface["sdn_port_id"]) + self.ovim.delete_port(task_interface["sdn_port_id"], idempotent=True) task_interface["sdn_port_id"] = None task_need_update = True except ovimException as e: @@ -303,11 +347,11 @@ class vim_thread(threading.Thread): task_interface["sdn_port_id"] = sdn_port_id task_need_update = True except (ovimException, Exception) as e: - error_text = "ovimException creating new_external_port compute_node={}"\ + error_text = "ovimException creating new_external_port compute_node={}" \ " pci={} vlan={} {}".format( - interface["compute_node"], - interface["pci"], - interface.get("vlan"), e) + 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 @@ -317,6 +361,7 @@ class vim_thread(threading.Thread): '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"), @@ -350,7 +395,7 @@ class vim_thread(threading.Thread): if task_need_update: with self.db_lock: self.db.update_rows( - 'vim_actions', + 'vim_wim_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'], @@ -392,18 +437,18 @@ class vim_thread(threading.Thread): 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", "error_msg": text_error} + sdn_net = {"status": "ERROR", "last_error": text_error} if sdn_net["status"] == "ERROR": if not vim_info_error_msg: - vim_info_error_msg = sdn_net["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["error_msg"], 1024//2-14)) - if vim_info_status == "VIM_ERROR": - vim_info_status = "VIM_SDN_ERROR" - else: - vim_info_status = "SDN_ERROR" + 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: @@ -420,7 +465,7 @@ class vim_thread(threading.Thread): with self.db_lock: self.db.update_rows('instance_nets', UPDATE=temp_dict, WHERE={"uuid": task["item_id"]}) self.db.update_rows( - 'vim_actions', + 'vim_wim_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'], @@ -482,7 +527,7 @@ class vim_thread(threading.Thread): for task_index in task["extra"].get("depends_on", ()): task_dependency = task["depends"].get("TASK-" + str(task_index)) if not task_dependency: - task_dependency = self._look_for_task(task["instance_action_id"], "TASK-" + str(task_index)) + 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( @@ -585,7 +630,7 @@ class vim_thread(threading.Thread): database_update["vim_net_id"] = None no_refresh_tasks = ['instance_sfis', 'instance_sfs', - 'instance_classifications', 'instance_sfps'] + 'instance_classifications', 'instance_sfps'] if task["action"] == "DELETE": action_key = task["item"] + task["item_id"] del self.grouped_tasks[action_key] @@ -601,7 +646,7 @@ class vim_thread(threading.Thread): now = time.time() with self.db_lock: self.db.update_rows( - table="vim_actions", + table="vim_wim_actions", UPDATE={"status": task["status"], "vim_id": task.get("vim_id"), "modified_at": now, "error_msg": task["error_msg"], "extra": yaml.safe_dump(task["extra"], default_flow_style=True, width=256)}, @@ -640,10 +685,19 @@ class vim_thread(threading.Thread): 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"]: + for dependency_task in depends_on_list: + if isinstance(dependency_task, int): + index = dependency_task + else: + instance_action_id, _, task_id = dependency_task.rpartition(".") + if instance_action_id != task["instance_action_id"]: + continue + index = int(task_id) + + 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] + task["depends"]["TASK-{}.{}".format(task["instance_action_id"], index)] = vim_actions_list[index] if extra.get("interfaces"): task["vim_interfaces"] = {} else: @@ -702,13 +756,15 @@ class vim_thread(threading.Thread): if task["status"] == "SCHEDULED": 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.get_vimconnector() + self.logger.debug("Vimconnector loaded") self._reload_vim_actions() reload_thread = False @@ -738,9 +794,26 @@ class vim_thread(threading.Thread): self.logger.debug("Finishing") def _look_for_task(self, instance_action_id, task_id): - task_index = task_id.split("-")[-1] + """ + 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 + with self.db_lock: - tasks = self.db.get_rows(FROM="vim_actions", WHERE={"instance_action_id": instance_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 @@ -760,7 +833,7 @@ class vim_thread(threading.Thread): @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): @@ -784,22 +857,24 @@ class vim_thread(threading.Thread): "Cannot create VM because depends on a network not created or found: " + 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',), + SELECT=('sdn_net_id', 'interface_id'), FROM='instance_nets as ine join instance_interfaces as ii on ii.instance_net_id=ine.uuid', WHERE={'ii.uuid': iface["uuid"]}) if result: task_interfaces[iface["vim_id"]]["sdn_net_id"] = result[0]['sdn_net_id'] + task_interfaces[iface["vim_id"]]["interface_id"] = result[0]['interface_id'] else: self.logger.critical("task={} new-VM: instance_nets uuid={} not found at DB".format(task_id, - iface["uuid"]), exc_info=True) + iface["uuid"]), exc_info=True) task["vim_info"] = {} task["vim_interfaces"] = {} @@ -830,7 +905,7 @@ 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("task={} del-VM: ovimException when deleting external_port={}: {} ".format( task_id, iface["sdn_port_id"], e), exc_info=True) @@ -869,8 +944,9 @@ class vim_thread(threading.Thread): 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}) + 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'] @@ -967,8 +1043,8 @@ 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.ovim.delete_port(port['uuid'], idempotent=True) + self.ovim.delete_network(sdn_net_id, idempotent=True) if net_vim_id: self.vim.delete_network(net_vim_id) task["status"] = "DONE" @@ -991,18 +1067,39 @@ class vim_thread(threading.Thread): def new_sfi(self, task): vim_sfi_id = None try: - params = task["params"] + # 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"]) - depends = task.get("depends") error_text = "" - interfaces = task.get("depends").values()[0].get("extra").get("params")[5] + interfaces = task.get("depends").get(dep_id).get("extra").get("interfaces") + ingress_interface_id = task.get("extra").get("params").get("ingress_interface_id") + egress_interface_id = task.get("extra").get("params").get("egress_interface_id") + ingress_vim_interface_id = None + egress_vim_interface_id = None + for vim_interface, interface_data in interfaces.iteritems(): + if interface_data.get("interface_id") == ingress_interface_id: + ingress_vim_interface_id = vim_interface + break + if ingress_interface_id != egress_interface_id: + for vim_interface, interface_data in interfaces.iteritems(): + if interface_data.get("interface_id") == egress_interface_id: + egress_vim_interface_id = vim_interface + break + else: + egress_vim_interface_id = ingress_vim_interface_id + if not ingress_vim_interface_id or not egress_vim_interface_id: + self.logger.error("Error creating Service Function Instance, Ingress: %s, Egress: %s", + ingress_vim_interface_id, egress_vim_interface_id) + return False, 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). - port_id_list = [interfaces[0].get("vim_id")] + 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, port_id_list, port_id_list, sfc_encap=False) + vim_sfi_id = self.vim.new_sfi(name, ingress_port_id_list, egress_port_id_list, sfc_encap=False) task["extra"]["created"] = True task["error_msg"] = None @@ -1040,12 +1137,11 @@ class vim_thread(threading.Thread): def new_sf(self, task): vim_sf_id = None try: - params = task["params"] task_id = task["instance_action_id"] + "." + str(task["task_index"]) - depends = task.get("depends") error_text = "" - #sfis = task.get("depends").values()[0].get("extra").get("params")[5] - sfis = task.get("depends").values() + 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")) @@ -1091,9 +1187,9 @@ class vim_thread(threading.Thread): try: params = task["params"] task_id = task["instance_action_id"] + "." + str(task["task_index"]) - depends = task.get("depends") + dep_id = "TASK-" + str(task["extra"]["depends_on"][0]) error_text = "" - interfaces = task.get("depends").values()[0].get("extra").get("params")[5] + 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"). @@ -1115,14 +1211,14 @@ class vim_thread(threading.Thread): if '/' not in destination_ip: destination_ip += '/32' definition = { - "logical_source_port": interfaces[0].get("vim_id"), - "protocol": ip_proto, - "source_ip_prefix": source_ip, - "destination_ip_prefix": destination_ip, - "source_port_range_min": params.get("source_port"), - "source_port_range_max": params.get("source_port"), - "destination_port_range_min": params.get("destination_port"), - "destination_port_range_max": params.get("destination_port"), + "logical_source_port": interfaces[0], + "protocol": ip_proto, + "source_ip_prefix": source_ip, + "destination_ip_prefix": destination_ip, + "source_port_range_min": params.get("source_port"), + "source_port_range_max": params.get("source_port"), + "destination_port_range_min": params.get("destination_port"), + "destination_port_range_max": params.get("destination_port"), } vim_classification_id = self.vim.new_classification( @@ -1166,12 +1262,11 @@ class vim_thread(threading.Thread): try: params = task["params"] task_id = task["instance_action_id"] + "." + str(task["task_index"]) - depends = task.get("depends") + depending_tasks = [task.get("depends").get("TASK-" + str(tsk_id)) for tsk_id in task.get("extra").get("depends_on")] error_text = "" - deps = task.get("depends").values() sf_id_list = [] classification_id_list = [] - for dep in deps: + for dep in depending_tasks: vim_id = dep.get("vim_id") resource = dep.get("item") if resource == "instance_sfs":