neutron/neutron/tests/unit/plugins/ml2/drivers/ext_test.py

234 lines
9.5 KiB
Python

# Copyright 2015 Intel Corporation.
# Copyright 2015 Isaku Yamahata <isaku.yamahata at intel com>
# <isaku.yamahata at gmail com>
# All Rights Reserved.
#
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from neutron_lib.api import validators
from neutron_lib import constants
from neutron_lib.db import model_base
from neutron_lib.plugins.ml2 import api
import oslo_db.sqlalchemy.session
import sqlalchemy as sa
from sqlalchemy import orm
from neutron.api import extensions
from neutron.db import models_v2
from neutron.objects import subnet as subnet_obj
from neutron.tests.unit.plugins.ml2 import extensions as test_extensions
class TestExtensionDriverBase(api.ExtensionDriver):
_supported_extension_aliases = 'fake_extension'
def initialize(self):
extensions.append_api_extensions_path(test_extensions.__path__)
@property
def extension_alias(self):
return self._supported_extension_aliases
class TestExtensionDriver(TestExtensionDriverBase):
def initialize(self):
super(TestExtensionDriver, self).initialize()
# keep track of values
self.val_by_id = {}
def _check_create(self, session, data, result):
assert(isinstance(session, oslo_db.sqlalchemy.session.Session))
assert(isinstance(data, dict))
assert('id' not in data)
assert(isinstance(result, dict))
assert(result['id'] is not None)
def _check_update(self, session, data, result):
assert(isinstance(session, oslo_db.sqlalchemy.session.Session))
assert(isinstance(data, dict))
assert(isinstance(result, dict))
assert(result['id'] is not None)
def _check_extend(self, session, result, entry,
expected_db_entry_class, expected_obj_entry_class=None):
# TODO(slaweq): After converting all code to use Subnet OVO,
# expected_db_entry_class can be removed as only OVO object
# should be expected here
assert(isinstance(session, oslo_db.sqlalchemy.session.Session))
assert(isinstance(result, dict))
assert(result['id'] is not None)
if expected_obj_entry_class:
assert(isinstance(entry, expected_db_entry_class) or
isinstance(entry, expected_obj_entry_class))
else:
assert(isinstance(entry, expected_db_entry_class))
assert(entry.id == result['id'])
def _store_change(self, result, data, field):
if field in data and data[field] != constants.ATTR_NOT_SPECIFIED:
self.val_by_id[result['id']] = data[field]
elif result['id'] not in self.val_by_id:
self.val_by_id[result['id']] = 'default_%s' % field
def process_create_network(self, plugin_context, data, result):
session = plugin_context.session
self._check_create(session, data, result)
self._store_change(result, data, 'network_extension')
result['network_extension'] = self.val_by_id[result['id']]
def process_update_network(self, plugin_context, data, result):
session = plugin_context.session
self._check_update(session, data, result)
self._store_change(result, data, 'network_extension')
result['network_extension'] = self.val_by_id[result['id']]
def extend_network_dict(self, session, net_db, result):
self._check_extend(session, result, net_db, models_v2.Network)
result['network_extension'] = self.val_by_id.get(result['id'])
def process_create_subnet(self, plugin_context, data, result):
session = plugin_context.session
self._check_create(session, data, result)
self._store_change(result, data, 'subnet_extension')
result['subnet_extension'] = self.val_by_id[result['id']]
def process_update_subnet(self, plugin_context, data, result):
session = plugin_context.session
self._check_update(session, data, result)
self._store_change(result, data, 'subnet_extension')
result['subnet_extension'] = self.val_by_id[result['id']]
def extend_subnet_dict(self, session, subnet_db, result):
self._check_extend(
session, result, subnet_db,
expected_db_entry_class=models_v2.Subnet,
expected_obj_entry_class=subnet_obj.Subnet)
result['subnet_extension'] = self.val_by_id.get(result['id'])
def process_create_port(self, plugin_context, data, result):
session = plugin_context.session
self._check_create(session, data, result)
self._store_change(result, data, 'port_extension')
result['port_extension'] = self.val_by_id[result['id']]
def process_update_port(self, plugin_context, data, result):
session = plugin_context.session
self._check_update(session, data, result)
self._store_change(result, data, 'port_extension')
result['port_extension'] = self.val_by_id[result['id']]
def extend_port_dict(self, session, port_db, result):
self._check_extend(session, result, port_db, models_v2.Port)
result['port_extension'] = self.val_by_id.get(result['id'])
class TestNetworkExtension(model_base.BASEV2):
network_id = sa.Column(sa.String(36),
sa.ForeignKey('networks.id', ondelete="CASCADE"),
primary_key=True)
value = sa.Column(sa.String(64))
network = orm.relationship(
models_v2.Network,
backref=orm.backref('extension', cascade='delete', uselist=False,
lazy='joined'))
class TestSubnetExtension(model_base.BASEV2):
subnet_id = sa.Column(sa.String(36),
sa.ForeignKey('subnets.id', ondelete="CASCADE"),
primary_key=True)
value = sa.Column(sa.String(64))
subnet = orm.relationship(
models_v2.Subnet,
backref=orm.backref('extension', cascade='delete', uselist=False,
lazy='joined'))
class TestPortExtension(model_base.BASEV2):
port_id = sa.Column(sa.String(36),
sa.ForeignKey('ports.id', ondelete="CASCADE"),
primary_key=True)
value = sa.Column(sa.String(64))
port = orm.relationship(
models_v2.Port,
backref=orm.backref('extension', cascade='delete', uselist=False,
lazy='joined'))
class TestDBExtensionDriver(TestExtensionDriverBase):
def _get_value(self, data, key):
value = data[key]
if not validators.is_attr_set(value):
value = ''
return value
def process_create_network(self, plugin_context, data, result):
session = plugin_context.session
value = self._get_value(data, 'network_extension')
record = TestNetworkExtension(network_id=result['id'], value=value)
session.add(record)
result['network_extension'] = value
def process_update_network(self, plugin_context, data, result):
session = plugin_context.session
record = (session.query(TestNetworkExtension).
filter_by(network_id=result['id']).one())
value = data.get('network_extension')
if value and value != record.value:
record.value = value
result['network_extension'] = record.value
def extend_network_dict(self, session, net_db, result):
result['network_extension'] = net_db.extension.value
def process_create_subnet(self, plugin_context, data, result):
session = plugin_context.session
value = self._get_value(data, 'subnet_extension')
record = TestSubnetExtension(subnet_id=result['id'], value=value)
session.add(record)
result['subnet_extension'] = value
def process_update_subnet(self, plugin_context, data, result):
session = plugin_context.session
record = (session.query(TestSubnetExtension).
filter_by(subnet_id=result['id']).one())
value = data.get('subnet_extension')
if value and value != record.value:
record.value = value
result['subnet_extension'] = record.value
def extend_subnet_dict(self, session, subnet_db, result):
value = subnet_db.extension.value if subnet_db.extension else ''
result['subnet_extension'] = value
def process_create_port(self, plugin_context, data, result):
session = plugin_context.session
value = self._get_value(data, 'port_extension')
record = TestPortExtension(port_id=result['id'], value=value)
session.add(record)
result['port_extension'] = value
def process_update_port(self, plugin_context, data, result):
session = plugin_context.session
record = (session.query(TestPortExtension).
filter_by(port_id=result['id']).one())
value = data.get('port_extension')
if value and value != record.value:
record.value = value
result['port_extension'] = record.value
def extend_port_dict(self, session, port_db, result):
value = port_db.extension.value if port_db.extension else ''
result['port_extension'] = value