return tuple(filled)
-# LcmBase must be listed before TaskRegistry, as it is a dependency.
+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 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, db, msg, fs, logger):
# 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)
+ 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)
+ if not account_id or not op_index.isdigit():
+ return None, None
return account_id, op_index
# Get '_id' for any topic and operation
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,
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}
+ '_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,
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)