X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=osm_ro%2Fvim_thread.py;h=02b3bccfe974627ff87dd27bde38d7e680535cfc;hb=cf655071ae41e1732dca955bb9990f3c7794d448;hp=2c30fb9046c19657da100144445a7c1e7afda7ea;hpb=98e909c77827a222ad5658554dee51ecffbdaff0;p=osm%2FRO.git diff --git a/osm_ro/vim_thread.py b/osm_ro/vim_thread.py index 2c30fb90..02b3bccf 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. # @@ -23,20 +23,21 @@ """" 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 +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preious table + MD item_id: uuid of the referenced entry in the previous table MD status: SCHEDULED,BUILD,DONE,FAILED,SUPERSEDED MD extra: text with yaml format at database, dict at memory with: params: list with the params to be sent to the VIM for CREATE or FIND. For DELETE the vim_id is taken from other related tasks find: (only for CREATE tasks) if present it should FIND before creating and use if existing. Contains the FIND params - depends_on: list with the 'task_index'es of tasks that must be completed before. e.g. a vm depends on a net + 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 are (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 @@ -61,15 +62,26 @@ 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__ = "$28-Sep-2017 12:07:15$" -# 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, +} def is_task_id(task_id): @@ -85,10 +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: @@ -98,12 +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 @@ -111,8 +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 @@ -132,43 +141,113 @@ 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} + 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): """ 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 + try: + action_completed = False + task_list = [] + old_action_key = None + + old_item_id = "" + old_item = "" + old_created_at = 0.0 + database_limit = 200 + while True: + # get 200 (database_limit) entries each time + 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",), + LIMIT=database_limit) + for task in vim_actions: + item = task["item"] + item_id = task["item_id"] + + # skip the first entries that are already processed in the previous pool of 200 + if old_item_id: + if item_id == old_item_id and item == old_item and task["created_at"] == old_created_at: + old_item_id = False # next one will be a new un-processed task + continue + + 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 + try: + self._insert_pending_tasks(task_list) + except Exception as e: + self.logger.critical( + "Unexpected exception at _reload_vim_actions:_insert_pending_tasks: " + str(e), + exc_info=True) + 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 + if len(vim_actions) == database_limit: + # update variables for get the next database iteration + old_item_id = item_id + old_item = item + old_created_at = task["created_at"] + else: + break + # Last actions group need to be inserted too + if not action_completed and task_list: + try: 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) + except Exception as e: + self.logger.critical("Unexpected exception at _reload_vim_actions:_insert_pending_tasks: " + str(e), + exc_info=True) + self.logger.debug("reloaded vim actions pending:{} refresh:{}".format( + len(self.pending_tasks), len(self.refresh_tasks))) + except Exception as e: + self.logger.critical("Unexpected exception at _reload_vim_actions: " + str(e), exc_info=True) def _refres_elements(self): """Call VIM to get VMs and networks status until 10 elements""" @@ -191,50 +270,50 @@ class vim_thread(threading.Thread): 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 + if task["vim_id"] not in vm_to_refresh_dict: + vm_to_refresh_dict[task["vim_id"]] = [task] + vm_to_refresh_list.append(task["vim_id"]) + else: + vm_to_refresh_dict[task["vim_id"]].append(task) elif task["item"] == 'instance_nets': - net_to_refresh_list.append(task["vim_id"]) - net_to_refresh_dict[task["vim_id"]] = task + if task["vim_id"] not in net_to_refresh_dict: + net_to_refresh_dict[task["vim_id"]] = [task] + net_to_refresh_list.append(task["vim_id"]) + else: + net_to_refresh_dict[task["vim_id"]].append(task) else: - error_text = "unknown task {}".format(task["item"]) - self.logger.error(error_text) + task_id = task["instance_action_id"] + "." + str(task["task_index"]) + self.logger.critical("task={}: unknown task {}".format(task_id, task["item"]), exc_info=True) items_to_refresh += 1 if items_to_refresh == 10: break if vm_to_refresh_list: + now = time.time() 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 + 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_dict = {} + for vim_id in vm_to_refresh_list: + vim_dict[vim_id] = {"status": "VIM_ERROR", "error_msg": str(e)} + + for vim_id, vim_info in vim_dict.items(): + + # look for task + for task in vm_to_refresh_dict[vim_id]: 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)) + 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)) - # update database - task_vim_info = task.get("vim_info") - task_error_msg = task.get("error_msg") - task_vim_status = task["extra"].get("vim_status") - if vim_info.get("error_msg"): - vim_info["error_msg"] = self._format_vim_error_msg(vim_info["error_msg"]) - if task_vim_status != vim_info["status"] or task_error_msg != vim_info.get("error_msg") or \ - task_vim_info != vim_info.get("vim_info"): - with self.db_lock: - temp_dict = {"status": vim_info["status"], - "error_msg": vim_info.get("error_msg"), - "vim_info": vim_info.get("vim_info")} - self.db.update_rows('instance_vms', UPDATE=temp_dict, WHERE={"uuid": task["item_id"]}) - task["extra"]["vim_status"] = vim_info["status"] - task["error_msg"] = vim_info.get("error_msg") - task["vim_info"] = vim_info.get("vim_info") - task_need_update = True + # 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("Interface not found {} on task info {}".format( - vim_interface_id, task["extra"]["interfaces"]), exc_info=True) + 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["vim_interfaces"].get(vim_interface_id) @@ -243,13 +322,15 @@ 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: - 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 + 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") @@ -260,115 +341,138 @@ class vim_thread(threading.Thread): 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")}) + "pci": interface["pci"], + "vlan": interface.get("vlan"), + "net_id": sdn_net_id, + "region": self.vim["config"]["datacenter_id"], + "name": sdn_port_name, + "mac": interface.get("mac_address")}) task_interface["sdn_port_id"] = sdn_port_id task_need_update = True except (ovimException, Exception) as e: - self.logger.error( - "ovimException creating new_external_port compute_node={} " - "pci={} vlan={} ".format( - interface["compute_node"], - interface["pci"], - interface.get("vlan")) + str(e), - exc_info=True) - # TODO Set error_msg at instance_nets - with self.db_lock: - self.db.update_rows( - 'instance_interfaces', - UPDATE={"mac_address": interface.get("mac_address"), - "ip_address": interface.get("ip_address"), - "vim_info": interface.get("vim_info"), - "sdn_port_id": task_interface.get("sdn_port_id"), - "compute_node": interface.get("compute_node"), - "pci": interface.get("pci"), - "vlan": interface.get("vlan"), - }, - WHERE={'uuid': task_interface["iface_id"]}) + error_text = "ovimException creating new_external_port compute_node={}" \ + " pci={} vlan={} {}".format( + interface["compute_node"], + interface["pci"], + interface.get("vlan"), e) + self.logger.error("task={} get-VM: {}".format(task_id, error_text), exc_info=True) + task_warning_msg += error_text + # TODO Set error_msg at instance_nets instead of instance VMs + + self.db.update_rows( + 'instance_interfaces', + UPDATE={"mac_address": interface.get("mac_address"), + "ip_address": interface.get("ip_address"), + "vim_interface_id": interface.get("vim_interface_id"), + "vim_info": interface.get("vim_info"), + "sdn_port_id": task_interface.get("sdn_port_id"), + "compute_node": interface.get("compute_node"), + "pci": interface.get("pci"), + "vlan": interface.get("vlan")}, + WHERE={'uuid': task_interface["iface_id"]}) task["vim_interfaces"][vim_interface_id] = 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.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"]): + temp_dict = {"status": vim_info["status"], "error_msg": vim_info_error_msg} + if vim_info.get("vim_info"): + temp_dict["vim_info"] = vim_info["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_error_msg + if vim_info.get("vim_info"): + task["vim_info"] = vim_info["vim_info"] + task_need_update = True + 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']}) + self.db.update_rows( + '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'], + 'task_index': task['task_index']}) if task["extra"].get("vim_status") == "BUILD": self._insert_refresh(task, now + self.REFRESH_BUILD) else: self._insert_refresh(task, now + self.REFRESH_ACTIVE) - except vimconn.vimconnException as e: - self.logger.error("vimconnException Exception when trying to refresh vms " + str(e)) - self._insert_refresh(task, now + self.REFRESH_ACTIVE) if net_to_refresh_list: + now = time.time() 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)) + 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_dict = {} + for vim_id in net_to_refresh_list: + vim_dict[vim_id] = {"status": "VIM_ERROR", "error_msg": str(e)} + + for vim_id, vim_info in vim_dict.items(): + # look for task + for task in net_to_refresh_dict[vim_id]: + task_id = task["instance_action_id"] + "." + str(task["task_index"]) + self.logger.debug("task={} get-net: vim_net_id={} result={}".format(task_id, task["vim_id"], vim_info)) task_vim_info = task.get("vim_info") task_vim_status = task["extra"].get("vim_status") task_error_msg = task.get("error_msg") task_sdn_net_id = task["extra"].get("sdn_net_id") + vim_info_status = vim_info["status"] + vim_info_error_msg = vim_info.get("error_msg") # get ovim status if task_sdn_net_id: try: with self.db_lock: sdn_net = self.ovim.show_network(task_sdn_net_id) - 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 + 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.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 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["vim_info"] = vim_info["vim_info"] + temp_dict = {"status": vim_info_status, "error_msg": vim_info_error_msg} + if vim_info.get("vim_info"): + temp_dict["vim_info"] = vim_info["vim_info"] + self.db.update_rows('instance_nets', UPDATE=temp_dict, WHERE={"uuid": task["item_id"]}) + self.db.update_rows( + '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'], + 'task_index': task['task_index']}) if task["extra"].get("vim_status") == "BUILD": self._insert_refresh(task, now + self.REFRESH_BUILD) else: self._insert_refresh(task, now + self.REFRESH_ACTIVE) - except vimconn.vimconnException as e: - self.logger.error("vimconnException Exception when trying to refresh nets " + str(e)) - self._insert_refresh(task, now + self.REFRESH_ACTIVE) return nb_processed @@ -390,7 +494,7 @@ class vim_thread(threading.Thread): else: index = len(self.refresh_tasks) self.refresh_tasks.append(task) - self.logger.debug("new refresh task={} name={}, modified_at={} index={}".format( + self.logger.debug("task={} new refresh name={}, modified_at={} index={}".format( task_id, task_name, task["modified_at"], index)) def _remove_refresh(self, task_name, vim_id): @@ -406,7 +510,7 @@ class vim_thread(threading.Thread): break else: return False - if index_to_delete != None: + if not index_to_delete: del self.refresh_tasks[index_to_delete] return True @@ -416,82 +520,153 @@ class vim_thread(threading.Thread): while self.pending_tasks: task = self.pending_tasks.pop(0) nb_processed += 1 - if task["status"] == "SUPERSEDED": - # not needed to do anything but update database with the new status - result = True - database_update = None - elif not self.vim: - task["status"] == "ERROR" - task["error_msg"] = self.error_status + try: + # check if tasks that this depends on have been completed + dependency_not_completed = False + 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_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 + 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"))) + if dependency_not_completed: + # Move this task to the end. + task["extra"]["tries"] = task["extra"].get("tries", 0) + 1 + if task["extra"]["tries"] <= 3: + self.pending_tasks.append(task) + continue + else: + 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"])) + + if task["status"] == "SUPERSEDED": + # not needed to do anything but update database with the new status + result = True + database_update = None + elif not self.vim: + task["status"] = "ERROR" + task["error_msg"] = self.error_status + result = False + database_update = {"status": "VIM_ERROR", "error_msg": task["error_msg"]} + elif task["item"] == 'instance_vms': + if task["action"] == "CREATE": + result, database_update = self.new_vm(task) + nb_created += 1 + elif task["action"] == "DELETE": + result, database_update = self.del_vm(task) + else: + raise vimconn.vimconnException(self.name + "unknown task action {}".format(task["action"])) + elif task["item"] == 'instance_nets': + if task["action"] == "CREATE": + result, database_update = self.new_net(task) + nb_created += 1 + elif task["action"] == "DELETE": + result, database_update = self.del_net(task) + elif task["action"] == "FIND": + result, database_update = self.get_net(task) + else: + raise vimconn.vimconnException(self.name + "unknown task action {}".format(task["action"])) + elif task["item"] == 'instance_sfis': + if task["action"] == "CREATE": + result, database_update = self.new_sfi(task) + nb_created += 1 + elif task["action"] == "DELETE": + result, database_update = 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": + result, database_update = self.new_sf(task) + nb_created += 1 + elif task["action"] == "DELETE": + result, database_update = 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": + result, database_update = self.new_classification(task) + nb_created += 1 + elif task["action"] == "DELETE": + result, database_update = 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": + result, database_update = self.new_sfp(task) + nb_created += 1 + elif task["action"] == "DELETE": + result, database_update = 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: result = False + task["error_msg"] = str(e) + task["status"] = "FAILED" database_update = {"status": "VIM_ERROR", "error_msg": task["error_msg"]} - elif task["item"] == 'instance_vms': - if task["action"] == "CREATE": - result, database_update = self.new_vm(task) - nb_created += 1 - elif task["action"] == "DELETE": - result, database_update = self.del_vm(task) - else: - raise vimconn.vimconnException(self.name + "unknown task action {}".format(task["action"])) - elif task["item"] == 'instance_nets': - if task["action"] == "CREATE": - result, database_update = self.new_net(task) - nb_created += 1 - elif task["action"] == "DELETE": - result, database_update = self.del_net(task) - elif task["action"] == "FIND": - result, database_update = self.get_net(task) - else: - raise vimconn.vimconnException(self.name + "unknown task action {}".format(task["action"])) - else: - raise vimconn.vimconnException(self.name + "unknown task item {}".format(task["item"])) - # TODO + if task["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": + no_refresh_tasks = ['instance_sfis', 'instance_sfs', + 'instance_classifications', 'instance_sfps'] + if 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) + if task["item"] not in no_refresh_tasks: + 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"])) + 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: now = time.time() - with self.db_lock: + self.db.update_rows( + 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)}, + WHERE={"instance_action_id": task["instance_action_id"], "task_index": task["task_index"]}) + if result is not None: 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"]}) + 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) + self.logger.error("task={} Error updating database {}".format(task_id, 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 @@ -508,10 +683,19 @@ 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: @@ -526,12 +710,12 @@ class vim_thread(threading.Thread): 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): + if to_supersede["action"] == "CREATE" and to_supersede["extra"].get("created", True) and \ + (to_supersede.get("vim_id") or to_supersede["extra"].get("sdn_net_id")): 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("sdn_net_id"): + task["extra"]["sdn_net_id"] = to_supersede["extra"]["sdn_net_id"] if to_supersede["extra"].get("interfaces"): task["extra"]["interfaces"] = to_supersede["extra"]["interfaces"] if to_supersede["extra"].get("created_items"): @@ -568,17 +752,20 @@ 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.get_vimconnector() + self.logger.debug("Vimconnector loaded") self._reload_vim_actions() reload_thread = False + while True: try: while not self.task_queue.empty(): @@ -604,14 +791,27 @@ class vim_thread(threading.Thread): 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] @@ -627,48 +827,50 @@ class vim_thread(threading.Thread): 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") + task_dependency = task["depends"].get(net["net_id"]) + if not task_dependency: + task_dependency = self._look_for_task(task["instance_action_id"], net["net_id"]) + if not task_dependency: + raise VimThreadException( + "Cannot get depending net task trying to get depending task {}.{}".format( + task["instance_action_id"], net["net_id"])) + network_id = task_dependency.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"] = {} @@ -682,7 +884,7 @@ class vim_thread(threading.Thread): return True, 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" @@ -691,6 +893,7 @@ class vim_thread(threading.Thread): return False, 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: @@ -698,10 +901,10 @@ 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")) @@ -728,17 +931,17 @@ 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'] @@ -749,19 +952,19 @@ class vim_thread(threading.Thread): 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 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)) @@ -770,8 +973,11 @@ class vim_thread(threading.Thread): return False, 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" @@ -783,13 +989,15 @@ class vim_thread(threading.Thread): 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"]} @@ -800,27 +1008,50 @@ 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 = sdn_net_id + "." + task["vim_id"] + sdn_port_name = sdn_port_name[:63] + sdn_port_data = { + "compute_node": "__WIM:" + wim_account_name[0:58], + "pci": None, + "vlan": network["vlan"], + "net_id": sdn_net_id, + "region": self.vim["config"]["datacenter_id"], + "name": sdn_port_name, + } + try: + with self.db_lock: + sdn_external_port_id = self.ovim.new_external_port(sdn_port_data) + except ovimException: + sdn_port_data["compute_node"] = "__WIM" + with self.db_lock: + sdn_external_port_id = self.ovim.new_external_port(sdn_port_data) + self.logger.debug("Added sdn_external_port {} to sdn_network {}".format(sdn_external_port_id, + sdn_net_id)) + task["status"] = "DONE" task["extra"]["vim_info"] = {} task["extra"]["sdn_net_id"] = sdn_net_id task["extra"]["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)) + 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 @@ -835,9 +1066,10 @@ 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) + self.ovim.delete_port(port['uuid'], idempotent=True) + self.ovim.delete_network(sdn_net_id, idempotent=True) + if net_vim_id: + self.vim.delete_network(net_vim_id, task["extra"].get("created_items")) task["status"] = "DONE" task["error_msg"] = None return True, None @@ -852,3 +1084,258 @@ class vim_thread(threading.Thread): return True, None task["status"] = "FAILED" return False, None + + ## Service Function Instances + + def new_sfi(self, task): + vim_sfi_id = None + try: + # Waits for interfaces to be ready (avoids failure) + time.sleep(1) + dep_id = "TASK-" + str(task["extra"]["depends_on"][0]) + task_id = task["instance_action_id"] + "." + str(task["task_index"]) + error_text = "" + interfaces = task.get("depends").get(dep_id).get("extra").get("interfaces") + ingress_interface_id = task.get("extra").get("params").get("ingress_interface_id") + egress_interface_id = task.get("extra").get("params").get("egress_interface_id") + ingress_vim_interface_id = None + egress_vim_interface_id = None + for vim_interface, interface_data in interfaces.iteritems(): + if interface_data.get("interface_id") == ingress_interface_id: + ingress_vim_interface_id = vim_interface + break + if ingress_interface_id != egress_interface_id: + for vim_interface, interface_data in interfaces.iteritems(): + if interface_data.get("interface_id") == egress_interface_id: + egress_vim_interface_id = vim_interface + break + else: + egress_vim_interface_id = ingress_vim_interface_id + if not ingress_vim_interface_id or not egress_vim_interface_id: + 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). + 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["error_msg"] = None + task["status"] = "DONE" + task["vim_id"] = vim_sfi_id + instance_element_update = {"status": "ACTIVE", "vim_sfi_id": vim_sfi_id, "error_msg": None} + return True, 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 False, instance_element_update + + def del_sfi(self, task): + sfi_vim_id = task["vim_id"] + try: + self.vim.delete_sfi(sfi_vim_id) + task["status"] = "DONE" + task["error_msg"] = None + return True, None + + except vimconn.vimconnException as e: + task["error_msg"] = self._format_vim_error_msg(str(e)) + if isinstance(e, vimconn.vimconnNotFoundException): + # If not found mark as Done and fill error_msg + task["status"] = "DONE" + return True, None + task["status"] = "FAILED" + return False, None + + def 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["error_msg"] = None + task["status"] = "DONE" + task["vim_id"] = vim_sf_id + instance_element_update = {"status": "ACTIVE", "vim_sf_id": vim_sf_id, "error_msg": None} + return True, 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 False, instance_element_update + + def del_sf(self, task): + sf_vim_id = task["vim_id"] + try: + self.vim.delete_sf(sf_vim_id) + task["status"] = "DONE" + task["error_msg"] = None + return True, None + + except vimconn.vimconnException as e: + task["error_msg"] = self._format_vim_error_msg(str(e)) + if isinstance(e, vimconn.vimconnNotFoundException): + # If not found mark as Done and fill error_msg + task["status"] = "DONE" + return True, None + task["status"] = "FAILED" + return False, None + + def 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["error_msg"] = None + task["status"] = "DONE" + task["vim_id"] = vim_classification_id + instance_element_update = {"status": "ACTIVE", "vim_classification_id": vim_classification_id, "error_msg": None} + return True, 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 False, instance_element_update + + def del_classification(self, task): + classification_vim_id = task["vim_id"] + try: + self.vim.delete_classification(classification_vim_id) + task["status"] = "DONE" + task["error_msg"] = None + return True, None + + except vimconn.vimconnException as e: + task["error_msg"] = self._format_vim_error_msg(str(e)) + if isinstance(e, vimconn.vimconnNotFoundException): + # If not found mark as Done and fill error_msg + task["status"] = "DONE" + return True, None + task["status"] = "FAILED" + return False, None + + def new_sfp(self, task): + vim_sfp_id = None + try: + params = task["params"] + 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["error_msg"] = None + task["status"] = "DONE" + task["vim_id"] = vim_sfp_id + instance_element_update = {"status": "ACTIVE", "vim_sfp_id": vim_sfp_id, "error_msg": None} + return True, 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 False, instance_element_update + return + + def del_sfp(self, task): + sfp_vim_id = task["vim_id"] + try: + self.vim.delete_sfp(sfp_vim_id) + task["status"] = "DONE" + task["error_msg"] = None + return True, None + + except vimconn.vimconnException as e: + task["error_msg"] = self._format_vim_error_msg(str(e)) + if isinstance(e, vimconn.vimconnNotFoundException): + # If not found mark as Done and fill error_msg + task["status"] = "DONE" + return True, None + task["status"] = "FAILED" + return False, None