import asyncio
from collections import OrderedDict
+from time import time
+from osm_lcm.data_utils.database.database import Database
+from osm_lcm.data_utils.filesystem.filesystem import Filesystem
+
# from osm_common.dbbase import DbException
__author__ = "Alfonso Tierno"
"""
filled = []
for point in v.split("."):
- filled.append(point.zfill(16))
+ point, _, _ = point.partition("+")
+ point, _, _ = point.partition("-")
+ filled.append(point.zfill(20))
return tuple(filled)
-# LcmBase must be listed before TaskRegistry, as it is a dependency.
-class LcmBase:
+def deep_get(target_dict, key_list, default_value=None):
+ """
+ Get a value from target_dict entering in the nested keys. If keys does not exist, it returns None
+ Example target_dict={a: {b: 5}}; key_list=[a,b] returns 5; both key_list=[a,b,c] and key_list=[f,h] return None
+ :param target_dict: dictionary to be read
+ :param key_list: list of keys to read from target_dict
+ :param default_value: value to return if key is not present in the nested dictionary
+ :return: The wanted value if exist, None otherwise
+ """
+ for key in key_list:
+ if not isinstance(target_dict, dict) or key not in target_dict:
+ return default_value
+ target_dict = target_dict[key]
+ return target_dict
+
+
+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]
+
- def __init__(self, db, msg, fs, logger):
+def populate_dict(target_dict, key_list, value):
+ """
+ Update target_dict creating nested dictionaries with the key_list. Last key_list item is asigned the value.
+ Example target_dict={K: J}; key_list=[a,b,c]; target_dict will be {K: J, a: {b: {c: value}}}
+ :param target_dict: dictionary to be changed
+ :param key_list: list of keys to insert at target_dict
+ :param value:
+ :return: None
+ """
+ for key in key_list[0:-1]:
+ if key not in target_dict:
+ target_dict[key] = {}
+ target_dict = target_dict[key]
+ target_dict[key_list[-1]] = value
+
+
+class LcmBase:
+ def __init__(self, msg, logger):
"""
:param db: database connection
"""
- self.db = db
+ self.db = Database().instance.db
self.msg = msg
- self.fs = fs
+ self.fs = Filesystem().instance.fs
self.logger = logger
def update_db_2(self, item, _id, _desc):
"""
if not _desc:
return
+ now = time()
+ _desc["_admin.modified"] = now
self.db.set_one(item, {"_id": _id}, _desc)
_desc.clear()
# except DbException as e:
"""
# NS/NSI: "services" VIM/WIM/SDN: "accounts"
- topic_service_list = ['ns', 'nsi']
- topic_account_list = ['vim', 'wim', 'sdn']
+ topic_service_list = ["ns", "nsi"]
+ topic_account_list = ["vim", "wim", "sdn", "k8scluster", "vca", "k8srepo"]
# Map topic to InstanceID
- topic2instid_dict = {
- 'ns': 'nsInstanceId',
- 'nsi': 'netsliceInstanceId'}
+ topic2instid_dict = {"ns": "nsInstanceId", "nsi": "netsliceInstanceId"}
# Map topic to DB table name
topic2dbtable_dict = {
- 'ns': 'nslcmops',
- 'nsi': 'nsilcmops',
- 'vim': 'vim_accounts',
- 'wim': 'wim_accounts',
- 'sdn': 'sdns'}
-
- def __init__(self, worker_id=None, db=None, logger=None):
+ "ns": "nslcmops",
+ "nsi": "nsilcmops",
+ "vim": "vim_accounts",
+ "wim": "wim_accounts",
+ "sdn": "sdns",
+ "k8scluster": "k8sclusters",
+ "vca": "vca",
+ "k8srepo": "k8srepos",
+ }
+
+ def __init__(self, worker_id=None, logger=None):
self.task_registry = {
"ns": {},
"nsi": {},
"vim_account": {},
"wim_account": {},
"sdn": {},
+ "k8scluster": {},
+ "vca": {},
+ "k8srepo": {},
}
self.worker_id = worker_id
- self.db = db
+ self.db = Database().instance.db
self.logger = logger
def register(self, topic, _id, op_id, task_name, task):
# Input: op_id, example: 'abc123def:3' Output: account_id='abc123def', op_index=3
def _get_account_and_op_HA(self, op_id):
if not op_id:
- return (None, None)
- account_id, _, op_index = op_id.rpartition(':')
- if not account_id:
- return (None, None)
- if not op_index.isdigit():
- return (None, None)
+ return None, None
+ account_id, _, op_index = op_id.rpartition(":")
+ if not account_id or not op_index.isdigit():
+ return None, None
return account_id, op_index
# Get '_id' for any topic and operation
def _get_instance_id_HA(self, topic, op_type, op_id):
_id = None
# Special operation 'ANY', for SDN account associated to a VIM account: op_id as '_id'
- if op_type == 'ANY':
+ if op_type == "ANY":
_id = op_id
# NS/NSI: Use op_id as '_id'
elif self._is_service_type_HA(topic):
_id = op_id
- # VIM/SDN/WIM: Split op_id to get Account ID and Operation Index, use Account ID as '_id'
+ # VIM/SDN/WIM/K8SCLUSTER: Split op_id to get Account ID and Operation Index, use Account ID as '_id'
elif self._is_account_type_HA(topic):
_id, _ = self._get_account_and_op_HA(op_id)
return _id
_filter = {}
# Special operation 'ANY', for SDN account associated to a VIM account: op_id as '_id'
# In this special case, the timestamp is ignored
- if op_type == 'ANY':
- _filter = {'operationState': 'PROCESSING'}
+ if op_type == "ANY":
+ _filter = {"operationState": "PROCESSING"}
# Otherwise, get 'startTime' timestamp for this operation
else:
# NS/NSI
if self._is_service_type_HA(topic):
+ now = time()
starttime_this_op = db_lcmop.get("startTime")
instance_id_label = self.topic2instid_dict.get(topic)
instance_id = db_lcmop.get(instance_id_label)
- _filter = {instance_id_label: instance_id,
- 'operationState': 'PROCESSING',
- 'startTime.lt': starttime_this_op}
- # VIM/WIM/SDN
+ _filter = {
+ instance_id_label: instance_id,
+ "operationState": "PROCESSING",
+ "startTime.lt": starttime_this_op,
+ "_admin.modified.gt": now
+ - 2 * 3600, # ignore if tow hours of inactivity
+ }
+ # VIM/WIM/SDN/K8scluster
elif self._is_account_type_HA(topic):
_, op_index = self._get_account_and_op_HA(op_id)
- _ops = db_lcmop['_admin']['operations']
+ _ops = db_lcmop["_admin"]["operations"]
_this_op = _ops[int(op_index)]
- starttime_this_op = _this_op.get('startTime', None)
- _filter = {'operationState': 'PROCESSING',
- 'startTime.lt': starttime_this_op}
+ starttime_this_op = _this_op.get("startTime", None)
+ _filter = {
+ "operationState": "PROCESSING",
+ "startTime.lt": starttime_this_op,
+ }
return _filter
# Get DB params for any topic and operation
update_dict = {}
# NS/NSI
if self._is_service_type_HA(topic):
- q_filter = {'_id': op_id, '_admin.worker': None}
- update_dict = {'_admin.worker': self.worker_id}
+ q_filter = {"_id": op_id, "_admin.worker": None}
+ update_dict = {"_admin.worker": self.worker_id}
# VIM/WIM/SDN
elif self._is_account_type_HA(topic):
account_id, op_index = self._get_account_and_op_HA(op_id)
if not account_id:
return None, None
- if op_type == 'create':
+ if op_type == "create":
# Creating a VIM/WIM/SDN account implies setting '_admin.current_operation' = 0
op_index = 0
- q_filter = {'_id': account_id, "_admin.operations.{}.worker".format(op_index): None}
- update_dict = {'_admin.operations.{}.worker'.format(op_index): self.worker_id,
- '_admin.current_operation': op_index}
+ q_filter = {
+ "_id": account_id,
+ "_admin.operations.{}.worker".format(op_index): None,
+ }
+ update_dict = {
+ "_admin.operations.{}.worker".format(op_index): self.worker_id,
+ "_admin.current_operation": op_index,
+ }
return q_filter, update_dict
def lock_HA(self, topic, op_type, op_id):
the task in this instance of LCM, without querying the DB.
"""
- # Backward compatibility for VIM/WIM/SDN without op_id
+ # Backward compatibility for VIM/WIM/SDN/k8scluster without op_id
if self._is_account_type_HA(topic) and op_id is None:
return True
# Try to lock this task
- db_table_name = self.topic2dbtable_dict.get(topic)
+ db_table_name = self.topic2dbtable_dict[topic]
q_filter, update_dict = self._get_dbparams_for_lock_HA(topic, op_type, op_id)
- db_lock_task = self.db.set_one(db_table_name,
- q_filter=q_filter,
- update_dict=update_dict,
- fail_on_empty=False)
+ db_lock_task = self.db.set_one(
+ db_table_name,
+ q_filter=q_filter,
+ update_dict=update_dict,
+ fail_on_empty=False,
+ )
if db_lock_task is None:
- self.logger.debug("Task {} operation={} already locked by another worker".format(topic, op_id))
+ self.logger.debug(
+ "Task {} operation={} already locked by another worker".format(
+ topic, op_id
+ )
+ )
return False
else:
# Set 'detailed-status' to 'In progress' for VIM/WIM/SDN operations
if self._is_account_type_HA(topic):
- detailed_status = 'In progress'
+ detailed_status = "In progress"
account_id, op_index = self._get_account_and_op_HA(op_id)
- q_filter = {'_id': account_id}
- update_dict = {'_admin.operations.{}.detailed-status'.format(op_index): detailed_status}
- self.db.set_one(db_table_name,
- q_filter=q_filter,
- update_dict=update_dict,
- fail_on_empty=False)
+ q_filter = {"_id": account_id}
+ update_dict = {
+ "_admin.operations.{}.detailed-status".format(
+ op_index
+ ): detailed_status
+ }
+ self.db.set_one(
+ db_table_name,
+ q_filter=q_filter,
+ update_dict=update_dict,
+ fail_on_empty=False,
+ )
return True
- def register_HA(self, topic, op_type, op_id, operationState, detailed_status):
+ def unlock_HA(self, topic, op_type, op_id, operationState, detailed_status):
"""
Register a task, done when finished a VIM/WIM/SDN 'create' operation.
:param topic: Can be "vim", "wim", or "sdn"
"""
# Backward compatibility
- if not self._is_account_type_HA(topic) or (self._is_account_type_HA(topic) and op_id is None):
+ if not self._is_account_type_HA(topic) or not op_id:
return
# Get Account ID and Operation Index
account_id, op_index = self._get_account_and_op_HA(op_id)
- db_table_name = self.topic2dbtable_dict.get(topic)
+ db_table_name = self.topic2dbtable_dict[topic]
# If this is a 'delete' operation, the account may have been deleted (SUCCESS) or may still exist (FAILED)
# If the account exist, register the HA task.
# Update DB for HA tasks
- q_filter = {'_id': account_id}
- update_dict = {'_admin.operations.{}.operationState'.format(op_index): operationState,
- '_admin.operations.{}.detailed-status'.format(op_index): detailed_status}
- self.db.set_one(db_table_name,
- q_filter=q_filter,
- update_dict=update_dict,
- fail_on_empty=False)
+ q_filter = {"_id": account_id}
+ update_dict = {
+ "_admin.operations.{}.operationState".format(op_index): operationState,
+ "_admin.operations.{}.detailed-status".format(op_index): detailed_status,
+ "_admin.operations.{}.worker".format(op_index): None,
+ "_admin.current_operation": None,
+ }
+ self.db.set_one(
+ db_table_name,
+ q_filter=q_filter,
+ update_dict=update_dict,
+ fail_on_empty=False,
+ )
return
async def waitfor_related_HA(self, topic, op_type, op_id=None):
"""
# Backward compatibility
- if not (self._is_service_type_HA(topic) or self._is_account_type_HA(topic)) and (op_id is None):
+ if not (
+ self._is_service_type_HA(topic) or self._is_account_type_HA(topic)
+ ) and (op_id is None):
return
# Get DB table name
# Get instance ID
_id = self._get_instance_id_HA(topic, op_type, op_id)
_filter = {"_id": _id}
- db_lcmop = self.db.get_one(db_table_name,
- _filter,
- fail_on_empty=False)
+ db_lcmop = self.db.get_one(db_table_name, _filter, fail_on_empty=False)
if not db_lcmop:
return
_filter = self._get_waitfor_filter_HA(db_lcmop, topic, op_type, op_id)
# For HA, get list of tasks from DB instead of from dictionary (in-memory) variable.
- timeout_wait_for_task = 3600 # Max time (seconds) to wait for a related task to finish
+ timeout_wait_for_task = (
+ 3600 # Max time (seconds) to wait for a related task to finish
+ )
# interval_wait_for_task = 30 # A too long polling interval slows things down considerably
- interval_wait_for_task = 10 # Interval in seconds for polling related tasks
+ interval_wait_for_task = 10 # Interval in seconds for polling related tasks
time_left = timeout_wait_for_task
old_num_related_tasks = 0
while True:
# Get related tasks (operations within the same instance as this) which are
# still running (operationState='PROCESSING') and which were started before this task.
# In the case of op_type='ANY', get any related tasks with operationState='PROCESSING', ignore timestamps.
- db_waitfor_related_task = self.db.get_list(db_table_name,
- q_filter=_filter)
+ db_waitfor_related_task = self.db.get_list(db_table_name, q_filter=_filter)
new_num_related_tasks = len(db_waitfor_related_task)
# If there are no related tasks, there is nothing to wait for, so return.
if not new_num_related_tasks:
# If number of pending related tasks have changed,
# update the 'detailed-status' field and log the change.
# Do NOT update the 'detailed-status' for SDNC-associated-to-VIM operations ('ANY').
- if (op_type != 'ANY') and (new_num_related_tasks != old_num_related_tasks):
- step = "Waiting for {} related tasks to be completed.".format(new_num_related_tasks)
+ if (op_type != "ANY") and (new_num_related_tasks != old_num_related_tasks):
+ step = "Waiting for {} related tasks to be completed.".format(
+ new_num_related_tasks
+ )
update_dict = {}
- q_filter = {'_id': _id}
+ q_filter = {"_id": _id}
# NS/NSI
if self._is_service_type_HA(topic):
- update_dict = {'detailed-status': step}
+ update_dict = {
+ "detailed-status": step,
+ "queuePosition": new_num_related_tasks,
+ }
# VIM/WIM/SDN
elif self._is_account_type_HA(topic):
_, op_index = self._get_account_and_op_HA(op_id)
- update_dict = {'_admin.operations.{}.detailed-status'.format(op_index): step}
+ update_dict = {
+ "_admin.operations.{}.detailed-status".format(op_index): step
+ }
self.logger.debug("Task {} operation={} {}".format(topic, _id, step))
- self.db.set_one(db_table_name,
- q_filter=q_filter,
- update_dict=update_dict,
- fail_on_empty=False)
+ self.db.set_one(
+ db_table_name,
+ q_filter=q_filter,
+ update_dict=update_dict,
+ fail_on_empty=False,
+ )
old_num_related_tasks = new_num_related_tasks
time_left -= interval_wait_for_task
if time_left < 0:
raise LcmException(
"Timeout ({}) when waiting for related tasks to be completed".format(
- timeout_wait_for_task))
+ timeout_wait_for_task
+ )
+ )
await asyncio.sleep(interval_wait_for_task)
return
projects / osm / LCM.git / blobdiff