x/vmware-nsx
Code Issues Proposed changes

Create DHCP agent tap device from port ID

Browse Source 
Fixes bug 1022806

Change-Id: If29ffdc35d02f8e18789173f250c1eab28a258fc
This commit is contained in:
Gary Kotton 2012-07-11 07:45:49 -04:00
parent dde2388470
commit 1da4b87b72
3 changed files with 38 additions and 10 deletions
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8
quantum/agent/dhcp_agent.py
View File

@ -206,8 +206,10 @@ class DeviceManager(object):
LOG.error(_('You must specify an interface driver'))
self.driver = importutils.import_object(conf.interface_driver, conf)
def get_interface_name(self, network):
return ('tap' + network.id)[:self.driver.DEV_NAME_LEN]
def get_interface_name(self, network, port=None):
if not port:
port = self._get_or_create_port(network)
return ('tap' + port.id)[:self.driver.DEV_NAME_LEN]
def get_device_id(self, network):
# There could be more than one dhcp server per network, so create
@ -217,8 +219,8 @@ class DeviceManager(object):
return 'dhcp%s-%s' % (host_uuid, network.id)
def setup(self, network, reuse_existing=False):
interface_name = self.get_interface_name(network)
port = self._get_or_create_port(network)
interface_name = self.get_interface_name(network, port)
if ip_lib.device_exists(interface_name):
if not reuse_existing:

4
quantum/agent/linux/interface.py
View File

@ -139,10 +139,6 @@ class BridgeInterfaceDriver(LinuxInterfaceDriver):
def plug(self, network_id, port_id, device_name, mac_address):
"""Plugin the interface."""
bridge = self.get_bridge(network_id)
self.check_bridge_exists(bridge)
if not ip_lib.device_exists(device_name):
device = ip_lib.IPDevice(device_name, self.conf.root_helper)
try:

36
quantum/tests/unit/test_dhcp_agent.py
View File

@ -233,7 +233,7 @@ class TestDeviceManager(unittest.TestCase):
tenant_id='aaaaaaaa-aaaa-aaaa-aaaaaaaaaaaa',
subnets=fake_subnets)
fake_port = FakeModel('12345678-aaaa-aaaa-1234567890ab',
fake_port = FakeModel('12345678-1234-aaaa-1234567890ab',
mac_address='aa:bb:cc:dd:ee:ff')
port_dict = dict(mac_address='aa:bb:cc:dd:ee:ff', allocations=[], id=1)
@ -270,7 +270,7 @@ class TestDeviceManager(unittest.TestCase):
self.mock_driver.assert_has_calls([
mock.call.plug('12345678-1234-5678-1234567890ab',
'12345678-aaaa-aaaa-1234567890ab',
'12345678-1234-aaaa-1234567890ab',
'tap12345678-12',
'aa:bb:cc:dd:ee:ff'),
mock.call.init_l3(mock.ANY, 'tap12345678-12')]
@ -284,13 +284,43 @@ class TestDeviceManager(unittest.TestCase):
tenant_id='aaaaaaaa-aaaa-aaaa-aaaaaaaaaaaa',
subnets=fake_subnets)
fake_port = FakeModel('12345678-1234-aaaa-1234567890ab',
mac_address='aa:bb:cc:dd:ee:ff')
port_dict = dict(mac_address='aa:bb:cc:dd:ee:ff', allocations=[], id=1)
self.client_inst.create_port.return_value = dict(port=port_dict)
self.device_exists.return_value = False
# fake the db
filter_by_result = mock.Mock()
filter_by_result.one = mock.Mock(return_value=fake_port)
self.filter_called = False
def get_filter_results(*args, **kwargs):
if self.filter_called:
return filter_by_result
else:
self.filter_called = True
raise sqlsoup.SQLAlchemyError()
return filter_results.pop(0)
mock_db = mock.Mock()
mock_db.ports = mock.Mock(name='ports2')
mock_db.ports.filter_by = mock.Mock(
name='filter_by',
side_effect=get_filter_results)
with mock.patch('quantum.agent.linux.interface.NullDriver') as dvr_cls:
mock_driver = mock.MagicMock()
mock_driver.DEV_NAME_LEN = (
interface.LinuxInterfaceDriver.DEV_NAME_LEN)
mock_driver.port = fake_port
dvr_cls.return_value = mock_driver
dh = dhcp_agent.DeviceManager(self.conf, None)
dh = dhcp_agent.DeviceManager(self.conf, mock_db)
dh.destroy(fake_network)
dvr_cls.assert_called_once_with(self.conf)