1# Copyright (C) 2017 Nippon Telegraph and Telephone Corporation.
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#    http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
12# implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15
16"""
17Database implementation for Zebra protocol service.
18"""
19
20from __future__ import absolute_import
21
22from sqlalchemy import create_engine
23from sqlalchemy.orm import sessionmaker
24
25from ryu import cfg
26
27# Configuration parameters for Zebra service
28CONF = cfg.CONF['zapi']
29
30# Connect to database
31ENGINE = create_engine(CONF.db_url)
32
33Session = sessionmaker(bind=ENGINE)
34"""
35Session class connecting to database
36"""
37
38# Create all tables
39from . import base
40from . import interface
41from . import route
42base.Base.metadata.create_all(ENGINE)
43