nfv/nfv/nfv-vim/nfv_vim/tables/_instance_table.py

67 lines
1.4 KiB
Python
Executable File

#
# Copyright (c) 2015-2016 Wind River Systems, Inc.
#
# SPDX-License-Identifier: Apache-2.0
#
from nfv_vim import database
from nfv_vim.tables._table import Table
_instance_table = None
class InstanceTable(Table):
"""
Instance Table
"""
def __init__(self):
super(InstanceTable, self).__init__()
def on_host(self, host_name):
for instance in self._entries.values():
if instance.on_host(host_name):
yield instance
def exist_on_host(self, host_name):
for instance in self._entries.values():
if instance.on_host(host_name):
return True
return False
def _persist_value(self, value):
database.database_instance_add(value)
def _unpersist_value(self, key):
database.database_instance_delete(key)
def tables_get_instance_table():
"""
Get the instance table
"""
return _instance_table
def instance_table_initialize():
"""
Initialize the instance table
"""
global _instance_table
_instance_table = InstanceTable()
_instance_table.persist = False
instances = database.database_instance_get_list()
for instance in instances:
_instance_table[instance.uuid] = instance
_instance_table.persist = True
def instance_table_finalize():
"""
Finalize the instance table
"""
global _instance_table
del _instance_table