author | Danek Duvall <danek.duvall@oracle.com> |
Thu, 19 Mar 2015 14:41:20 -0700 | |
changeset 3998 | 5bd484384122 |
permissions | -rw-r--r-- |
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# |
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# Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); you may |
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# not use this file except in compliance with the License. You may obtain |
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# a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
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# License for the specific language governing permissions and limitations |
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# under the License. |
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# |
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import ConfigParser |
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from sqlalchemy.ext import declarative |
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from sqlalchemy import orm |
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import sqlalchemy as sa |
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from neutron.context import ContextBase |
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from neutron.db import model_base |
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from neutron.openstack.common import uuidutils |
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EVS_DB_BASE = declarative.declarative_base(cls=model_base.NeutronBaseV2) |
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EVS_DB_ENGINE = None |
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EVS_DB_MAKER = None |
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class EVSContext(ContextBase): |
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@property |
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def session(self): |
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return self._session |
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@session.setter |
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def session(self, session): |
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self._session = session |
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def configure_db(): |
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global EVS_DB_ENGINE |
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if not EVS_DB_ENGINE: |
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config = ConfigParser.RawConfigParser() |
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config.readfp(open("/etc/neutron/neutron.conf")) |
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if config.has_option("database", 'connection'): |
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sql_connection = config.get("database", 'connection') |
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else: |
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sql_connection = 'sqlite:////var/lib/neutron/neutron.sqlite' |
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EVS_DB_ENGINE = sa.create_engine(sql_connection, echo=False) |
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EVS_DB_BASE.metadata.create_all(EVS_DB_ENGINE) |
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def get_session(autocommit=True, expire_on_commit=False): |
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global EVS_DB_ENGINE, EVS_DB_MAKER |
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assert EVS_DB_ENGINE |
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if not EVS_DB_MAKER: |
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EVS_DB_MAKER = orm.sessionmaker(bind=EVS_DB_ENGINE, |
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autocommit=autocommit, |
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expire_on_commit=expire_on_commit) |
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return EVS_DB_MAKER() |
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def get_evs_context(context): |
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"""Overrides the Neutron DB session with EVS DB session""" |
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evs_context = EVSContext.from_dict(context.to_dict()) |
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evs_context.session = get_session() |
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return evs_context |
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class Router(EVS_DB_BASE): |
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"""Represents a v2 neutron router.""" |
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id = sa.Column(sa.String(36), primary_key=True, |
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default=uuidutils.generate_uuid) |
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name = sa.Column(sa.String(255)) |
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status = sa.Column(sa.String(16)) |
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admin_state_up = sa.Column(sa.Boolean) |
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tenant_id = sa.Column(sa.String(255)) |
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gw_port_id = sa.Column(sa.String(36)) |
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gw_port_network_id = sa.Column(sa.String(36)) |
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class FloatingIP(EVS_DB_BASE): |
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"""Represents a floating IP address. |
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This IP address may or may not be allocated to a tenant, and may or |
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may not be associated with an internal port/ip address/router. |
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""" |
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id = sa.Column(sa.String(36), primary_key=True, |
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default=uuidutils.generate_uuid) |
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floating_ip_address = sa.Column(sa.String(64), nullable=False) |
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floating_network_id = sa.Column(sa.String(36), nullable=False) |
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floating_port_id = sa.Column(sa.String(36), nullable=False) |
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fixed_port_id = sa.Column(sa.String(36)) |
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fixed_ip_address = sa.Column(sa.String(64)) |
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router_id = sa.Column(sa.String(36), sa.ForeignKey('routers.id')) |
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tenant_id = sa.Column(sa.String(255)) |