import logging
import logging.handlers
import traceback
-from osm_lcm.ns import populate_dict as populate_dict
-from osm_lcm import ROclient, ns
-from osm_lcm.lcm_utils import LcmException, LcmBase
+from osm_lcm import ROclient
+from osm_lcm.lcm_utils import LcmException, LcmBase, populate_dict, get_iterable, deep_get
from osm_common.dbbase import DbException
from time import time
from copy import deepcopy
__author__ = "Felipe Vicens, Pol Alemany, Alfonso Tierno"
-def get_iterable(in_dict, in_key):
- """
- Similar to <dict>.get(), but if value is None, False, ..., An empty tuple is returned instead
- :param in_dict: a dictionary
- :param in_key: the key to look for at in_dict
- :return: in_dict[in_var] or () if it is None or not present
- """
- if not in_dict.get(in_key):
- return ()
- return in_dict[in_key]
-
-
class NetsliceLcm(LcmBase):
- total_deploy_timeout = 2 * 3600 # global timeout for deployment
+ timeout_nsi_deploy = 2 * 3600 # default global timeout for deployment a nsi
- def __init__(self, db, msg, fs, lcm_tasks, ro_config, vca_config, loop):
+ def __init__(self, db, msg, fs, lcm_tasks, config, loop, ns):
"""
Init, Connect to database, filesystem storage, and messaging
:param config: two level dictionary with configuration. Top level should contain 'database', 'storage',
self.logger = logging.getLogger('lcm.netslice')
self.loop = loop
self.lcm_tasks = lcm_tasks
- self.ns = ns.NsLcm(db, msg, fs, lcm_tasks, ro_config, vca_config, loop)
- self.ro_config = ro_config
+ self.ns = ns
+ self.ro_config = config["ro_config"]
+ self.timeout = config["timeout"]
super().__init__(db, msg, fs, self.logger)
break
# Creating netslice-vld at RO
- RO_nsir = db_nsir["_admin"].get("deployed", {}).get("RO", [])
+ RO_nsir = deep_get(db_nsir, ("_admin", "deployed", "RO"), [])
if vld_id in RO_nsir:
db_nsir_update["_admin.deployed.RO"] = RO_nsir
if nss_cp_item["nss-ref"] == nss["nss-id"]:
db_nsds = self.db.get_one("nsds", {"_id": nss["nsdId"]})
# Go for nsd, and search the CP that match with nst:CP to get vld-id-ref
- for cp_nsd in db_nsds["connection-point"]:
+ for cp_nsd in db_nsds.get("connection-point", ()):
if cp_nsd["name"] == nss_cp_item["nsd-connection-point-ref"]:
if nslcmop.get("operationParams"):
if nslcmop["operationParams"].get("nsName") == nss["nsName"]:
step = "Getting nsilcmop={} from db".format(nsilcmop_id)
db_nsilcmop = self.db.get_one("nsilcmops", {"_id": nsilcmop_id})
+ start_deploy = time()
+ nsi_params = db_nsilcmop.get("operationParams")
+ if nsi_params and nsi_params.get("timeout_nsi_deploy"):
+ timeout_nsi_deploy = nsi_params["timeout_nsi_deploy"]
+ else:
+ timeout_nsi_deploy = self.timeout.get("nsi_deploy", self.timeout_nsi_deploy)
+
# Empty list to keep track of network service records status in the netslice
nsir_admin = db_nsir_admin = db_nsir.get("_admin")
# Slice status Creating
db_nsir_update["detailed-status"] = "creating"
db_nsir_update["operational-status"] = "init"
- self.update_db_2("nsis", nsir_id, db_nsir_update)
+ db_nsir_update["_admin.nsiState"] = "INSTANTIATED"
- step = "Creating netslice VLDs before NS instantiation"
+ step = "Instantiating netslice VLDs before NS instantiation"
# Creating netslice VLDs networking before NS instantiation
- db_nsir_update["detailed-status"] = "Creating netslice-vld at RO"
+ db_nsir_update["detailed-status"] = step
self.update_db_2("nsis", nsir_id, db_nsir_update)
db_nsir_update["_admin.deployed.RO"] = db_nsir_admin["deployed"]["RO"]
for vld_item in get_iterable(nsir_admin, "netslice-vld"):
await netslice_scenario_create(self, vld_item, nsir_id, db_nsir, db_nsir_admin, db_nsir_update)
self.update_db_2("nsis", nsir_id, db_nsir_update)
- step = "Creating netslice subnets at RO"
- db_nsir_update["detailed-status"] = "Creating netslice subnets at RO"
+ step = "Instantiating netslice subnets"
+ db_nsir_update["detailed-status"] = step
self.update_db_2("nsis", nsir_id, db_nsir_update)
db_nsir = self.db.get_one("nsis", {"_id": nsir_id})
# self.update_db_2("nsis", nsir_id, db_nsir_update)
# Iterate over the network services operation ids to instantiate NSs
- # TODO: (future improvement) look another way check the tasks instead of keep asking
- # -> https://docs.python.org/3/library/asyncio-task.html#waiting-primitives
- # steps: declare ns_tasks, add task when terminate is called, await asyncio.wait(vca_task_list, timeout=300)
step = "Instantiating Netslice Subnets"
db_nsir = self.db.get_one("nsis", {"_id": nsir_id})
nslcmop_ids = db_nsilcmop["operationParams"].get("nslcmops_ids")
self.lcm_tasks.register("ns", nsr_id, nslcmop_id, "ns_instantiate", task)
# Wait until Network Slice is ready
- step = nsir_status_detailed = " Waiting nsi ready. nsi_id={}".format(nsir_id)
+ step = " Waiting nsi ready."
nsrs_detailed_list_old = None
self.logger.debug(logging_text + step)
- # TODO: substitute while for await (all task to be done or not)
- deployment_timeout = 2 * 3600 # Two hours
- while deployment_timeout > 0:
+ # For HA, it is checked from database, as the ns operation may be managed by other LCM worker
+ while time() <= start_deploy + timeout_nsi_deploy:
# Check ns instantiation status
nsi_ready = True
nsir = self.db.get_one("nsis", {"_id": nsir_id})
- nsir_admin = nsir["_admin"]
nsrs_detailed_list = nsir["_admin"]["nsrs-detailed-list"]
nsrs_detailed_list_new = []
for nslcmop_item in nslcmop_ids:
for nss in nsrs_detailed_list:
if nss["nsrId"] == nslcmop["nsInstanceId"]:
nss.update({"nsrId": nslcmop["nsInstanceId"], "status": nslcmop["operationState"],
- "detailed-status":
- nsir_status_detailed + "; {}".format(nslcmop.get("detailed-status")),
+ "detailed-status": nslcmop.get("detailed-status"),
"instantiated": True})
nsrs_detailed_list_new.append(nss)
if status not in ["COMPLETED", "PARTIALLY_COMPLETED", "FAILED", "FAILED_TEMP"]:
self.update_db_2("nsis", nsir_id, {"_admin.nsrs-detailed-list": nsrs_detailed_list_new})
if nsi_ready:
- step = "Network Slice Instance is ready. nsi_id={}".format(nsir_id)
- for items in nsrs_detailed_list:
- if "FAILED" in items.values():
- raise LcmException("Error deploying NSI: {}".format(nsir_id))
+ error_list = []
+ step = "Network Slice Instance instantiated"
+ for nss in nsrs_detailed_list:
+ if nss["status"] in ("FAILED", "FAILED_TEMP"):
+ error_list.append("NS {} {}: {}".format(nss["nsrId"], nss["status"],
+ nss["detailed-status"]))
+ if error_list:
+ step = "instantiating"
+ raise LcmException("; ".join(error_list))
break
# TODO: future improvement due to synchronism -> await asyncio.wait(vca_task_list, timeout=300)
await asyncio.sleep(5, loop=self.loop)
- deployment_timeout -= 5
- if deployment_timeout <= 0:
- raise LcmException("Timeout waiting nsi to be ready. nsi_id={}".format(nsir_id))
+ else: # timeout_nsi_deploy reached:
+ raise LcmException("Timeout waiting nsi to be ready.")
db_nsir_update["operational-status"] = "running"
db_nsir_update["detailed-status"] = "done"
if db_nsir:
db_nsir_update["detailed-status"] = "ERROR {}: {}".format(step, exc)
db_nsir_update["operational-status"] = "failed"
+ db_nsir_update["config-status"] = "configured"
if db_nsilcmop:
db_nsilcmop_update["detailed-status"] = "FAILED {}: {}".format(step, exc)
db_nsilcmop_update["operationState"] = nsilcmop_operation_state = "FAILED"
db_nsilcmop_update["statusEnteredTime"] = time()
try:
if db_nsir:
- db_nsir_update["_admin.nsiState"] = "INSTANTIATED"
db_nsir_update["_admin.nsilcmop"] = None
self.update_db_2("nsis", nsir_id, db_nsir_update)
if db_nsilcmop:
projects / osm / LCM.git / blobdiff