# -*- 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.
#
# contact with: nfvlabs@tid.es
##
-'''
-This is thread that interact with the host and the libvirt to manage VM
-One thread will be launched per host
-'''
-__author__ = "Alfonso Tierno, Pablo Montes"
-__date__ = "$10-feb-2017 12:07:15$"
+""""
+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 is (M: stored at memory, D: stored at database):
+ MD instance_action_id: reference a global action over an instance-scenario: database instance_actions
+ MD task_index: index number of the task. This together with the previous forms a unique key identifier
+ MD datacenter_vim_id: should contain the uuid of the VIM managed by this thread
+ MD vim_id: id of the vm,net,etc at VIM
+ MD 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 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+ MD status: SCHEDULED,BUILD,DONE,FAILED,SUPERSEDED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 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:
+ created_items: dictionary with extra elements created that need to be deleted. e.g. ports, volumes,...
+ created: False if the VIM element is not created by other actions, and it should not be deleted
+ vim_status: VIM status of the element. Stored also at database in the instance_XXX
+ M depends: dict with task_index(from depends_on) to task class
+ M params: same as extra[params] but with the resolved dependencies
+ M vim_interfaces: similar to extra[interfaces] but with VIM information. Stored at database in the instance_XXX but not at vim_actions
+ M vim_info: Detailed information of a vm,net from the VIM. Stored at database in the instance_XXX but not at vim_actions
+ MD error_msg: descriptive text upon an error.Stored also at database instance_XXX
+ MD created_at: task creation time
+ MD modified_at: last task update time. On refresh it contains when this task need to be refreshed
+
+"""
import threading
import time
import Queue
import logging
import vimconn
+import 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,
+}
-# from logging import Logger
-# import auxiliary_functions as af
+def is_task_id(task_id):
+ return task_id.startswith("TASK-")
-def is_task_id(id):
- return True if id[:5] == "TASK." else False
+class VimThreadException(Exception):
+ pass
+
+
+class VimThreadExceptionNotFound(VimThreadException):
+ pass
class vim_thread(threading.Thread):
+ REFRESH_BUILD = 5 # 5 seconds
+ REFRESH_ACTIVE = 60 # 1 minute
- def __init__(self, vimconn, task_lock, name=None, datacenter_name=None, datacenter_tenant_id=None, db=None, db_lock=None, ovim=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:
'id' number of thead
'host','user': host ip or name to manage and user
'db', 'db_lock': database class and lock to use it in exclusion
"""
- self.tasksResult = {}
- """ It will contain a dictionary with
- task_id:
- status: enqueued,done,error,deleted,processing
- result: VIM result,
- """
threading.Thread.__init__(self)
- self.vim = vimconn
+ self.vim = None
+ self.error_status = None
self.datacenter_name = datacenter_name
self.datacenter_tenant_id = datacenter_tenant_id
self.ovim = ovim
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.db = db
self.task_lock = task_lock
self.task_queue = Queue.Queue(2000)
- self.refresh_list = []
+
+ 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
+ <item><item_id>:
+ - <task1> # e.g. CREATE task
+ <task2> # 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
+ :return: None
+ """
+ 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
+ with self.db_lock:
+ vim_actions = self.db.get_rows(FROM="vim_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)
+ 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"""
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_list:
- task = self.refresh_list[0]
+ while self.refresh_tasks:
+ task = self.refresh_tasks[0]
with self.task_lock:
- if task['status'] == 'deleted':
- self.refresh_list.pop(0)
+ if task['status'] == 'SUPERSEDED':
+ self.refresh_tasks.pop(0)
continue
- if task['time'] > now:
+ if task['modified_at'] > now:
break
- task["status"] = "processing"
- self.refresh_list.pop(0)
- if task["name"] == 'get-vm':
- vm_to_refresh_list.append(task["vim_id"])
- vm_to_refresh_dict[task["vim_id"]] = task
- elif task["name"] == 'get-net':
- net_to_refresh_list.append(task["vim_id"])
- net_to_refresh_dict[task["vim_id"]] = task
+ # task["status"] = "processing"
+ nb_processed += 1
+ self.refresh_tasks.pop(0)
+ if task["item"] == 'instance_vms':
+ 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':
+ 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["name"])
- 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:
vim_dict = self.vim.refresh_vms_status(vm_to_refresh_list)
- for vim_id, vim_info in vim_dict.items():
- #look for task
- task = vm_to_refresh_dict[vim_id]
- self.logger.debug("get-vm vm_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-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)}
- # update database
- if vim_info.get("error_msg"):
- vim_info["error_msg"] = self._format_vim_error_msg(vim_info["error_msg"])
- if task["vim_info"].get("status") != vim_info["status"] or \
- task["vim_info"].get("error_msg") != vim_info.get("error_msg") or \
- task["vim_info"].get("vim_info") != vim_info["vim_info"]:
- with self.db_lock:
- temp_dict = {"status": vim_info["status"],
- "error_msg": vim_info.get("error_msg"),
- "vim_info": vim_info["vim_info"]}
- self.db.update_rows('instance_vms', UPDATE=temp_dict, WHERE={"vim_vm_id": vim_id})
- for interface in vim_info["interfaces"]:
- for task_interface in task["vim_info"]["interfaces"]:
- if task_interface["vim_net_id"] == interface["vim_net_id"]:
- break
- else:
- task_interface = {"vim_net_id": interface["vim_net_id"]}
- task["vim_info"]["interfaces"].append(task_interface)
- if task_interface != interface:
- #delete old port
+ 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_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["vim_interfaces"].get(vim_interface_id)
+ if task_vim_interface != interface:
+ # delete old port
if task_interface.get("sdn_port_id"):
try:
- self.ovim.delete_port(task_interface["sdn_port_id"])
- task_interface["sdn_port_id"] = None
+ with self.db_lock:
+ 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
- vim_net_id = interface.pop("vim_net_id")
- sdn_net_id = None
- sdn_port_name = None
- with self.db_lock:
- where_= {'iv.vim_vm_id': vim_id, "ine.vim_net_id": vim_net_id,
- 'ine.datacenter_tenant_id': self.datacenter_tenant_id}
- # TODO check why vim_interface_id is not present at database
- # if interface.get("vim_interface_id"):
- # where_["vim_interface_id"] = interface["vim_interface_id"]
- db_ifaces = self.db.get_rows(
- FROM="instance_interfaces as ii left join instance_nets as ine on "
- "ii.instance_net_id=ine.uuid left join instance_vms as iv on "
- "ii.instance_vm_id=iv.uuid",
- SELECT=("ii.uuid as iface_id", "ine.uuid as net_id", "iv.uuid as vm_id", "sdn_net_id"),
- WHERE=where_)
- if len(db_ifaces)>1:
- self.logger.critical("Refresing interfaces. "
- "Found more than one interface at database for '{}'".format(where_))
- elif len(db_ifaces)==0:
- self.logger.critical("Refresing interfaces. "
- "Not found any interface at database for '{}'".format(where_))
- continue
- else:
- db_iface = db_ifaces[0]
- if db_iface.get("sdn_net_id") and interface.get("compute_node") and interface.get("pci"):
- sdn_net_id = db_iface["sdn_net_id"]
- sdn_port_name = sdn_net_id + "." + db_iface["vm_id"]
- sdn_port_name = sdn_port_name[:63]
- try:
+ error_text = "ovimException deleting external_port={}: {}".format(
+ task_interface["sdn_port_id"], e)
+ self.logger.error("task={} get-VM: {}".format(task_id, error_text), exc_info=True)
+ task_warning_msg += error_text
+ # TODO Set error_msg at instance_nets instead of instance VMs
+
+ # Create SDN port
+ sdn_net_id = task_interface.get("sdn_net_id")
+ if sdn_net_id and interface.get("compute_node") and interface.get("pci"):
+ sdn_port_name = sdn_net_id + "." + task["vim_id"]
+ sdn_port_name = sdn_port_name[:63]
+ try:
+ with self.db_lock:
sdn_port_id = self.ovim.new_external_port(
{"compute_node": interface["compute_node"],
"pci": interface["pci"],
"region": self.vim["config"]["datacenter_id"],
"name": sdn_port_name,
"mac": interface.get("mac_address")})
- interface["sdn_port_id"] = sdn_port_id
- 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=interface,
- WHERE={'uuid': db_iface["iface_id"]})
- # TODO insert instance_id
- interface["vim_net_id"] = vim_net_id
-
- task["vim_info"] = vim_info
- if task["vim_info"]["status"] == "BUILD":
- self._insert_refresh(task, now+5) # 5seconds
+ 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={}"\
+ " 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
+
+ with self.db_lock:
+ self.db.update_rows(
+ 'instance_interfaces',
+ UPDATE={"mac_address": interface.get("mac_address"),
+ "ip_address": interface.get("ip_address"),
+ "vim_info": interface.get("vim_info"),
+ "sdn_port_id": task_interface.get("sdn_port_id"),
+ "compute_node": interface.get("compute_node"),
+ "pci": interface.get("pci"),
+ "vlan": interface.get("vlan")},
+ WHERE={'uuid': task_interface["iface_id"]})
+ task["vim_interfaces"][vim_interface_id] = interface
+
+ # 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"]
+ with self.db_lock:
+ 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']})
+ if task["extra"].get("vim_status") == "BUILD":
+ self._insert_refresh(task, now + self.REFRESH_BUILD)
else:
- self._insert_refresh(task, now+300) # 5minutes
- except vimconn.vimconnException as e:
- self.logger.error("vimconnException Exception when trying to refresh vms " + str(e))
- self._insert_refresh(task, now + 300) # 5minutes
+ self._insert_refresh(task, now + self.REFRESH_ACTIVE)
if net_to_refresh_list:
+ now = time.time()
try:
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))
-
- #get database info
- where_ = {"vim_net_id": vim_id, 'datacenter_tenant_id': self.datacenter_tenant_id}
- with self.db_lock:
- db_nets = self.db.get_rows(
- FROM="instance_nets",
- SELECT=("uuid as net_id", "sdn_net_id"),
- WHERE=where_)
- if len(db_nets) > 1:
- self.logger.critical("Refresing networks. "
- "Found more than one instance-networks at database for '{}'".format(where_))
- elif len(db_nets) == 0:
- self.logger.critical("Refresing networks. "
- "Not found any instance-network at database for '{}'".format(where_))
- continue
- else:
- db_net = db_nets[0]
- if db_net.get("sdn_net_id"):
- # get ovim status
- try:
- sdn_net = self.ovim.show_network(db_net["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(db_net["sdn_net_id"]),
- exc_info=True)
- # TODO Set error_msg at instance_nets
+ 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)
+ 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.get("error_msg"):
- vim_info["error_msg"] = self._format_vim_error_msg(vim_info["error_msg"])
- if task["vim_info"].get("status") != vim_info["status"] or \
- task["vim_info"].get("error_msg") != vim_info.get("error_msg") or \
- task["vim_info"].get("vim_info") != vim_info["vim_info"]:
+ 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"]
with self.db_lock:
- temp_dict = {"status": vim_info["status"],
- "error_msg": vim_info.get("error_msg"),
- "vim_info": vim_info["vim_info"]}
- self.db.update_rows('instance_nets', UPDATE=temp_dict, WHERE={"vim_net_id": vim_id})
-
- task["vim_info"] = vim_info
- if task["vim_info"]["status"] == "BUILD":
- self._insert_refresh(task, now+5) # 5seconds
+ 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+300) # 5minutes
- except vimconn.vimconnException as e:
- self.logger.error("vimconnException Exception when trying to refresh nets " + str(e))
- self._insert_refresh(task, now + 300) # 5minutes
+ self._insert_refresh(task, now + self.REFRESH_ACTIVE)
- if not items_to_refresh:
- time.sleep(1)
+ return nb_processed
- def _insert_refresh(self, task, threshold_time):
- """Insert a task at list of refreshing elements. The refreshing list is ordered by threshold_time (task['time']
+ 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
"""
- task["time"] = threshold_time
- for index in range(0, len(self.refresh_list)):
- if self.refresh_list[index]["time"] > threshold_time:
- self.refresh_list.insert(index, task)
+ 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_list)
- self.refresh_list.append(task)
- self.logger.debug("new refresh task={} name={}, time={} index={}".format(
- task["id"], task["name"], task["time"], index))
+ index = len(self.refresh_tasks)
+ self.refresh_tasks.append(task)
+ 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):
"""Remove a task with this name and vim_id from the list of refreshing elements.
Return False if not found
"""
index_to_delete = None
- for index in range(0, len(self.refresh_list)):
- if self.refresh_list[index]["name"] == task_name and self.refresh_list[index]["vim_id"] == vim_id:
+ 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_list[index_to_delete]
+ if not index_to_delete:
+ 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
+ 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"]}
+ if task["item"] == 'instance_vms':
+ database_update["vim_vm_id"] = None
+ elif task["item"] == 'instance_nets':
+ database_update["vim_net_id"] = None
+
+ 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"):
+ if task["item"] not in no_refresh_tasks:
+ self._insert_refresh(task)
+
+ 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_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="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("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):
+ 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 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:
+ 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["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_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"):
+ if not task["extra"].get("created_items"):
+ task["extra"]["created_items"] = {}
+ task["extra"]["created_items"].update(to_supersede["extra"]["created_items"])
+ # Mark task as SUPERSEDED.
+ # If task is in self.pending_tasks, it will be removed and database will be update
+ # If task is in self.refresh_tasks, it will be removed
+ to_supersede["status"] = "SUPERSEDED"
+ if not need_delete_action:
+ task["status"] = "SUPERSEDED"
+
+ self.grouped_tasks[action_key].append(task)
+ self.pending_tasks.append(task)
+ elif task["status"] == "SCHEDULED":
+ self.grouped_tasks[action_key].append(task)
+ self.pending_tasks.append(task)
+ elif task["action"] in ("CREATE", "FIND"):
+ self.grouped_tasks[action_key].append(task)
+ if task["status"] in ("DONE", "BUILD"):
+ self._insert_refresh(task)
+ # TODO add VM reset, get console, etc...
+ else:
+ raise vimconn.vimconnException(self.name + "unknown vim_action action {}".format(task["action"]))
+
def insert_task(self, task):
try:
self.task_queue.put(task, False)
- return task["id"]
+ return None
except Queue.Full:
raise vimconn.vimconnException(self.name + ": timeout inserting a task")
def del_task(self, task):
with self.task_lock:
- if task["status"] == "enqueued":
- task["status"] == "deleted"
+ if task["status"] == "SCHEDULED":
+ task["status"] = "SUPERSEDED"
return True
else: # task["status"] == "processing"
self.task_lock.release()
def run(self):
self.logger.debug("Starting")
while True:
- #TODO reload service
+ self.get_vimconnector()
+ self.logger.debug("Vimconnector loaded")
+ self._reload_vim_actions()
+ reload_thread = False
+
while True:
try:
- if not self.task_queue.empty():
+ while not self.task_queue.empty():
task = self.task_queue.get()
- self.task_lock.acquire()
- if task["status"] == "deleted":
- self.task_lock.release()
- continue
- task["status"] = "processing"
- self.task_lock.release()
- else:
- self._refres_elements()
- continue
- self.logger.debug("processing task id={} name={} params={}".format(task["id"], task["name"],
- str(task["params"])))
- if task["name"] == 'exit' or task["name"] == 'reload':
- result, content = self.terminate(task)
- elif task["name"] == 'new-vm':
- result, content = self.new_vm(task)
- elif task["name"] == 'del-vm':
- result, content = self.del_vm(task)
- elif task["name"] == 'new-net':
- result, content = self.new_net(task)
- elif task["name"] == 'del-net':
- result, content = self.del_net(task)
- else:
- error_text = "unknown task {}".format(task["name"])
- self.logger.error(error_text)
- result = False
- content = error_text
- self.logger.debug("task id={} name={} result={}:{} params={}".format(task["id"], task["name"],
- result, content,
- str(task["params"])))
-
- with self.task_lock:
- task["status"] = "done" if result else "error"
- task["result"] = content
- self.task_queue.task_done()
-
- if task["name"] == 'exit':
- return 0
- elif task["name"] == 'reload':
+ if isinstance(task, list):
+ self._insert_pending_tasks(task)
+ elif isinstance(task, str):
+ if task == 'exit':
+ return 0
+ elif task == 'reload':
+ reload_thread = True
+ break
+ self.task_queue.task_done()
+ if reload_thread:
break
+ nb_processed = self._proccess_pending_tasks()
+ nb_processed += self._refres_elements()
+ if not nb_processed:
+ time.sleep(1)
+
except Exception as e:
self.logger.critical("Unexpected exception at run: " + str(e), exc_info=True)
self.logger.debug("Finishing")
- def terminate(self, task):
- return True, None
+ def _look_for_task(self, instance_action_id, task_id):
+ """
+ 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:
+ <task index>: integer
+ TASK-<task index> :backward compatibility,
+ [TASK-]<instance_action_id>.<task index>: 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
- def _format_vim_error_msg(self, error_text, max_length=1024):
+ with self.db_lock:
+ tasks = self.db.get_rows(FROM="vim_actions", WHERE={"instance_action_id": instance_action_id,
+ "task_index": task_index})
+ if not tasks:
+ return None
+ task = tasks[0]
+ task["params"] = None
+ task["depends"] = {}
+ if task["extra"]:
+ extra = yaml.load(task["extra"])
+ task["extra"] = extra
+ task["params"] = extra.get("params")
+ if extra.get("interfaces"):
+ task["vim_interfaces"] = {}
+ else:
+ task["extra"] = {}
+ return task
+
+ @staticmethod
+ def _format_vim_error_msg(error_text, max_length=1024):
if error_text and len(error_text) >= max_length:
return error_text[:max_length//2-3] + " ... " + error_text[-max_length//2+3:]
return error_text
+ def new_vm(self, task):
+ task_id = task["instance_action_id"] + "." + str(task["task_index"])
+ try:
+ params = task["params"]
+ depends = task.get("depends")
+ net_list = params[5]
+ for net in net_list:
+ if "net_id" in net and is_task_id(net["net_id"]): # change task_id into network_id
+ 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(depends[net["net_id"]]["error_msg"]))
+ net["net_id"] = network_id
+ params_copy = deepcopy(params)
+ vim_vm_id, created_items = self.vim.new_vminstance(*params_copy)
+
+ # fill task_interfaces. Look for snd_net_id at database for each interface
+ task_interfaces = {}
+ for iface in params_copy[5]:
+ task_interfaces[iface["vim_id"]] = {"iface_id": iface["uuid"]}
+ with self.db_lock:
+ result = self.db.get_rows(
+ SELECT=('sdn_net_id',),
+ FROM='instance_nets as ine join instance_interfaces as ii on ii.instance_net_id=ine.uuid',
+ WHERE={'ii.uuid': iface["uuid"]})
+ if result:
+ task_interfaces[iface["vim_id"]]["sdn_net_id"] = result[0]['sdn_net_id']
+ else:
+ self.logger.critical("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["error_msg"] = None
+ task["status"] = "DONE"
+ task["vim_id"] = vim_vm_id
+ instance_element_update = {"status": "BUILD", "vim_vm_id": vim_vm_id, "error_msg": None}
+ return True, instance_element_update
+
+ except (vimconn.vimconnException, VimThreadException) as e:
+ self.logger.error("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
+
+ def del_vm(self, task):
+ task_id = task["instance_action_id"] + "." + str(task["task_index"])
+ vm_vim_id = task["vim_id"]
+ interfaces = task["extra"].get("interfaces", ())
+ try:
+ for iface in interfaces.values():
+ if iface.get("sdn_port_id"):
+ try:
+ with self.db_lock:
+ self.ovim.delete_port(iface["sdn_port_id"], idempotent=True)
+ except ovimException as e:
+ self.logger.error("task={} del-VM: ovimException when deleting external_port={}: {} ".format(
+ task_id, iface["sdn_port_id"], e), exc_info=True)
+ # TODO Set error_msg at instance_nets
+
+ self.vim.delete_vminstance(vm_vim_id, task["extra"].get("created_items"))
+ task["status"] = "DONE"
+ task["error_msg"] = None
+ return True, None
+
+ except vimconn.vimconnException as e:
+ task["error_msg"] = self._format_vim_error_msg(str(e))
+ if isinstance(e, vimconn.vimconnNotFoundException):
+ # If not found mark as Done and fill error_msg
+ task["status"] = "DONE"
+ return True, None
+ task["status"] = "FAILED"
+ return False, None
+
+ def _get_net_internal(self, task, filter_param):
+ """
+ Common code for get_net and new_net. It looks for a network on VIM with the filter_params
+ :param task: task for this find or find-or-create action
+ :param filter_param: parameters to send to the vimconnector
+ :return: a dict with the content to update the instance_nets database table. Raises an exception on error, or
+ when network is not found or found more than one
+ """
+ vim_nets = self.vim.get_network_list(filter_param)
+ if not vim_nets:
+ raise VimThreadExceptionNotFound("Network not found with this criteria: '{}'".format(filter_param))
+ elif len(vim_nets) > 1:
+ raise VimThreadException("More than one network found with this criteria: '{}'".format(filter_param))
+ vim_net_id = vim_nets[0]["id"]
+
+ # Discover if this network is managed by a sdn controller
+ sdn_net_id = None
+ with self.db_lock:
+ 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"]["sdn_net_id"] = sdn_net_id
+ task["error_msg"] = None
+ task["vim_id"] = vim_net_id
+ instance_element_update = {"vim_net_id": vim_net_id, "created": False, "status": "BUILD",
+ "error_msg": None, "sdn_net_id": sdn_net_id}
+ return instance_element_update
+
+ def get_net(self, task):
+ task_id = task["instance_action_id"] + "." + str(task["task_index"])
+ try:
+ params = task["params"]
+ filter_param = params[0]
+ instance_element_update = self._get_net_internal(task, filter_param)
+ return True, instance_element_update
+
+ except (vimconn.vimconnException, VimThreadException) as e:
+ self.logger.error("task={} get-net: {}".format(task_id, e))
+ task["status"] = "FAILED"
+ task["vim_id"] = None
+ task["error_msg"] = self._format_vim_error_msg(str(e))
+ instance_element_update = {"vim_net_id": None, "status": "VIM_ERROR",
+ "error_msg": task["error_msg"]}
+ return 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["id"]
+ # FIND
+ if task["extra"].get("find"):
+ action_text = "finding"
+ filter_param = task["extra"]["find"][0]
+ try:
+ instance_element_update = self._get_net_internal(task, filter_param)
+ return True, instance_element_update
+ except VimThreadExceptionNotFound:
+ pass
+ # CREATE
params = task["params"]
- net_id = self.vim.new_network(*params)
+ action_text = "creating VIM"
+ vim_net_id = self.vim.new_network(*params)
net_name = params[0]
net_type = params[1]
- network = None
- 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}
+ network = {"name": net_name, "type": net_type, "region": self.vim["config"]["datacenter_id"]}
- vim_net = self.vim.get_network(net_id)
+ vim_net = self.vim.get_network(vim_net_id)
if vim_net.get('encapsulation') != 'vlan':
raise vimconn.vimconnException(
"net '{}' defined as type '{}' has not vlan encapsulation '{}'".format(
net_name, net_type, vim_net['encapsulation']))
network["vlan"] = vim_net.get('segmentation_id')
- try:
+ action_text = "creating SDN"
+ 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), net_id, str(network), str(e))
- with self.db_lock:
- self.db.update_rows("instance_nets", UPDATE={"vim_net_id": net_id, "sdn_net_id": sdn_net_id},
- WHERE={"vim_net_id": task_id})
- new_refresh_task = {"status": "enqueued",
- "id": task_id,
- "name": "get-net",
- "vim_id": net_id,
- "vim_info": {} }
- self._insert_refresh(new_refresh_task, time.time())
- return True, net_id
- except db_base_Exception as e:
- self.logger.error("Error updating database %s", str(e))
- return True, net_id
- except vimconn.vimconnException as e:
- self.logger.error("Error creating NET, task=%s: %s", str(task_id), str(e))
- try:
+ task["status"] = "DONE"
+ task["extra"]["vim_info"] = {}
+ task["extra"]["sdn_net_id"] = sdn_net_id
+ task["extra"]["created"] = True
+ task["error_msg"] = None
+ task["vim_id"] = vim_net_id
+ instance_element_update = {"vim_net_id": vim_net_id, "sdn_net_id": sdn_net_id, "status": "BUILD",
+ "created": True, "error_msg": None}
+ return True, instance_element_update
+ except (vimconn.vimconnException, ovimException) as e:
+ self.logger.error("task={} new-net: Error {}: {}".format(task_id, action_text, e))
+ task["status"] = "FAILED"
+ task["vim_id"] = vim_net_id
+ task["error_msg"] = self._format_vim_error_msg(str(e))
+ task["extra"]["sdn_net_id"] = sdn_net_id
+ instance_element_update = {"vim_net_id": vim_net_id, "sdn_net_id": sdn_net_id, "status": "VIM_ERROR",
+ "error_msg": task["error_msg"]}
+ return False, instance_element_update
+
+ def del_net(self, task):
+ net_vim_id = task["vim_id"]
+ sdn_net_id = task["extra"].get("sdn_net_id")
+ try:
+ if sdn_net_id:
+ # Delete any attached port to this sdn network. There can be ports associated to this network in case
+ # it was manually done using 'openmano vim-net-sdn-attach'
with self.db_lock:
- self.db.update_rows("instance_nets",
- UPDATE={"error_msg": self._format_vim_error_msg(str(e)), "status": "VIM_ERROR"},
- WHERE={"vim_net_id": task_id})
- except db_base_Exception as e:
- self.logger.error("Error updating database %s", str(e))
- return False, str(e)
- #except ovimException as e:
- # self.logger.error("Error creating NET in ovim, task=%s: %s", str(task_id), str(e))
- # return False, str(e)
+ port_list = self.ovim.get_ports(columns={'uuid'},
+ filter={'name': 'external_port', 'net_id': sdn_net_id})
+ for port in port_list:
+ self.ovim.delete_port(port['uuid'], idempotent=True)
+ self.ovim.delete_network(sdn_net_id, idempotent=True)
+ if net_vim_id:
+ self.vim.delete_network(net_vim_id)
+ task["status"] = "DONE"
+ task["error_msg"] = None
+ return True, None
+ except ovimException as e:
+ task["error_msg"] = self._format_vim_error_msg("ovimException obtaining and deleting external "
+ "ports for net {}: {}".format(sdn_net_id, str(e)))
+ except vimconn.vimconnException as e:
+ task["error_msg"] = self._format_vim_error_msg(str(e))
+ if isinstance(e, vimconn.vimconnNotFoundException):
+ # If not found mark as Done and fill error_msg
+ task["status"] = "DONE"
+ return True, None
+ task["status"] = "FAILED"
+ return False, None
- def new_vm(self, task):
+ ## Service Function Instances
+
+ def new_sfi(self, task):
+ vim_sfi_id = None
try:
- params = task["params"]
- task_id = task["id"]
- depends = task.get("depends")
- net_list = params[5]
+ dep_id = "TASK-" + str(task["extra"]["depends_on"][0])
+ task_id = task["instance_action_id"] + "." + str(task["task_index"])
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
- try:
- task_net = depends[net["net_id"]]
- with self.task_lock:
- if task_net["status"] == "error":
- error_text = "Cannot create VM because depends on a network that cannot be created: " +\
- str(task_net["result"])
- break
- elif task_net["status"] == "enqueued" or task_net["status"] == "processing":
- error_text = "Cannot create VM because depends on a network still not created"
- break
- network_id = task_net["result"]
- net["net_id"] = network_id
- except Exception as e:
- error_text = "Error trying to map from task_id={} to task result: {}".format(
- net["net_id"],str(e))
- break
- if not error_text:
- vm_id = self.vim.new_vminstance(*params)
- try:
- with self.db_lock:
- if error_text:
- update = self.db.update_rows("instance_vms",
- UPDATE={"status": "VIM_ERROR", "error_msg": error_text},
- WHERE={"vim_vm_id": task_id})
- else:
- update = self.db.update_rows("instance_vms", UPDATE={"vim_vm_id": vm_id}, WHERE={"vim_vm_id": task_id})
- if not update:
- self.logger.error("task id={} name={} database not updated vim_vm_id={}".format(
- task["id"], task["name"], vm_id))
- except db_base_Exception as e:
- self.logger.error("Error updating database %s", str(e))
- if error_text:
- return False, error_text
- new_refresh_task = {"status": "enqueued",
- "id": task_id,
- "name": "get-vm",
- "vim_id": vm_id,
- "vim_info": {"interfaces":[]} }
- self._insert_refresh(new_refresh_task, time.time())
- return True, vm_id
+ interfaces = task.get("depends").get(dep_id).get("extra").get("interfaces").keys()
+ # 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]]
+ 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)
+
+ 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:
- self.logger.error("Error creating VM, task=%s: %s", str(task_id), str(e))
- try:
- with self.db_lock:
- self.db.update_rows("instance_vms",
- UPDATE={"error_msg": self._format_vim_error_msg(str(e)), "status": "VIM_ERROR"},
- WHERE={"vim_vm_id": task_id})
- except db_base_Exception as edb:
- self.logger.error("Error updating database %s", str(edb))
- return False, str(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 del_vm(self, task):
- vm_id = task["params"][0]
- interfaces = task["params"][1]
- if is_task_id(vm_id):
- try:
- task_create = task["depends"][vm_id]
- with self.task_lock:
- if task_create["status"] == "error":
- return True, "VM was not created. It has error: " + str(task_create["result"])
- elif task_create["status"] == "enqueued" or task_create["status"] == "processing":
- return False, "Cannot delete VM vim_id={} because still creating".format(vm_id)
- vm_id = task_create["result"]
- except Exception as e:
- return False, "Error trying to get task_id='{}':".format(vm_id, str(e))
+ def new_sf(self, task):
+ vim_sf_id = None
try:
- self._remove_refresh("get-vm", vm_id)
- for iface in interfaces:
- if iface.get("sdn_port_id"):
- try:
- self.ovim.delete_port(iface["sdn_port_id"])
- except ovimException as e:
- self.logger.error("ovimException deleting external_port={} at VM vim_id={} deletion ".format(
- iface["sdn_port_id"], vm_id) + str(e), exc_info=True)
- # TODO Set error_msg at instance_nets
+ 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
- return True, self.vim.delete_vminstance(vm_id)
except vimconn.vimconnException as e:
- return False, str(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 del_net(self, task):
- net_id = task["params"][0]
- sdn_net_id = task["params"][1]
- if is_task_id(net_id):
- try:
- task_create = task["depends"][net_id]
- with self.task_lock:
- if task_create["status"] == "error":
- return True, "net was not created. It has error: " + str(task_create["result"])
- elif task_create["status"] == "enqueued" or task_create["status"] == "processing":
- return False, "Cannot delete net because still creating"
- net_id = task_create["result"]
- except Exception as e:
- return False, "Error trying to get task_id='{}':".format(net_id, str(e))
+ def new_classification(self, task):
+ vim_classification_id = None
try:
- self._remove_refresh("get-net", net_id)
- result = self.vim.delete_network(net_id)
- if sdn_net_id:
- with self.db_lock:
- self.ovim.delete_network(sdn_net_id)
- return True, result
+ params = task["params"]
+ task_id = task["instance_action_id"] + "." + str(task["task_index"])
+ depending_task = "TASK-" + str(task.get("extra").get("depends_on")[0])
+ error_text = ""
+ interfaces = task.get("depends").get(depending_task).get("vim_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")
+ if ip_proto == 1:
+ ip_proto = 'icmp'
+ elif ip_proto == 6:
+ ip_proto = 'tcp'
+ elif ip_proto == 17:
+ ip_proto = 'udp'
+ if '/' not in source_ip:
+ source_ip += '/32'
+ if '/' not in destination_ip:
+ destination_ip += '/32'
+ definition = {
+ "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(
+ 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:
- return False, str(e)
- except ovimException as e:
- logging.error("Error deleting network from ovim. net_id: {}, sdn_net_id: {}".format(net_id, sdn_net_id))
- return False, str(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