Merge "Ensure the OVS bridge exists when plugging"
This commit is contained in:
commit
2025adb978
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@ -0,0 +1,7 @@
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---
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features:
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- The ovs plugin has been modified to ensure that the
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specified OVS bridge that the vif will be attached to
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has been created. If the OVS bridge does not exist, it
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will be created with the proper datapath_type.
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@ -11,3 +11,6 @@
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# under the License.
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OVS_VHOSTUSER_INTERFACE_TYPE = 'dpdkvhostuser'
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OVS_DATAPATH_SYSTEM = 'system'
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OVS_DATAPATH_NETDEV = 'netdev'
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@ -60,6 +60,11 @@ def _create_ovs_vif_cmd(bridge, dev, iface_id, mac,
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return cmd
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def _create_ovs_bridge_cmd(bridge, datapath_type):
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return ['--', '--may-exist', 'add-br', bridge,
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'--', 'set', 'Bridge', bridge, 'datapath_type=%s' % datapath_type]
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@privsep.vif_plug.entrypoint
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def create_ovs_vif_port(bridge, dev, iface_id, mac, instance_id,
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mtu=None, interface_type=None, timeout=None):
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@ -117,6 +122,11 @@ def create_veth_pair(dev1_name, dev2_name, mtu):
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_set_device_mtu(dev, mtu)
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@privsep.vif_plug.entrypoint
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def ensure_ovs_bridge(bridge, datapath_type):
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_ovs_vsctl(_create_ovs_bridge_cmd(bridge, datapath_type))
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@privsep.vif_plug.entrypoint
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def ensure_bridge(bridge):
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if not device_exists(bridge):
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@ -81,6 +81,8 @@ class OvsPlugin(plugin.PluginBase):
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])
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def _plug_vhostuser(self, vif, instance_info):
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linux_net.ensure_ovs_bridge(vif.network.bridge,
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constants.OVS_DATAPATH_NETDEV)
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linux_net.create_ovs_vif_port(
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vif.network.bridge,
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OvsPlugin.gen_port_name("vhu", vif.id),
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@ -107,6 +109,8 @@ class OvsPlugin(plugin.PluginBase):
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linux_net.create_veth_pair(v1_name, v2_name,
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self.config.network_device_mtu)
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linux_net.add_bridge_port(vif.bridge_name, v1_name)
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linux_net.ensure_ovs_bridge(vif.network.bridge,
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constants.OVS_DATAPATH_SYSTEM)
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linux_net.create_ovs_vif_port(
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vif.network.bridge,
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v2_name,
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@ -124,7 +128,8 @@ class OvsPlugin(plugin.PluginBase):
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profile=vif.port_profile.__class__.__name__)
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if isinstance(vif, objects.vif.VIFOpenVSwitch):
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pass # no special plugging required
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linux_net.ensure_ovs_bridge(vif.network.bridge,
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constants.OVS_DATAPATH_SYSTEM)
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elif isinstance(vif, objects.vif.VIFBridge):
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self._plug_bridge(vif, instance_info)
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elif isinstance(vif, objects.vif.VIFVHostUser):
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@ -141,6 +141,24 @@ class LinuxNetTest(testtools.TestCase):
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'fake-type')
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self.assertEqual(expected, cmd)
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@mock.patch.object(linux_net, '_create_ovs_bridge_cmd')
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@mock.patch.object(linux_net, '_ovs_vsctl')
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def test_ensure_ovs_bridge(self, mock_vsctl, mock_create_ovs_bridge):
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bridge = 'fake-bridge'
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dp_type = 'fake-type'
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linux_net.ensure_ovs_bridge(bridge, dp_type)
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mock_create_ovs_bridge.assert_called_once_with(bridge, dp_type)
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self.assertTrue(mock_vsctl.called)
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def test_create_ovs_bridge_cmd(self):
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bridge = 'fake-bridge'
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dp_type = 'fake-type'
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expected = ['--', '--may-exist', 'add-br', bridge,
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'--', 'set', 'Bridge', bridge,
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'datapath_type=%s' % dp_type]
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actual = linux_net._create_ovs_bridge_cmd(bridge, dp_type)
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self.assertEqual(expected, actual)
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@mock.patch.object(linux_net, '_ovs_vsctl')
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@mock.patch.object(linux_net, '_create_ovs_vif_cmd')
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@mock.patch.object(linux_net, '_set_device_mtu')
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@ -17,6 +17,7 @@ import testtools
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from os_vif import objects
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from vif_plug_ovs import constants
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from vif_plug_ovs import linux_net
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from vif_plug_ovs import ovs
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@ -88,11 +89,15 @@ class PluginTest(testtools.TestCase):
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uuid='f0000000-0000-0000-0000-000000000001')
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def test_plug_ovs(self):
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plug_bridge_mock = mock.Mock()
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plugin = ovs.OvsPlugin.load("ovs")
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plugin._plug_bridge = plug_bridge_mock
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plugin.plug(self.vif_ovs, self.instance)
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self.assertFalse(plug_bridge_mock.called)
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with mock.patch.object(linux_net, 'ensure_ovs_bridge') as (
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ensure_ovs_bridge):
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plug_bridge_mock = mock.Mock()
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plugin = ovs.OvsPlugin.load("ovs")
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plugin._plug_bridge = plug_bridge_mock
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plugin.plug(self.vif_ovs, self.instance)
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self.assertFalse(plug_bridge_mock.called)
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ensure_ovs_bridge.assert_called_once_with(
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self.vif_ovs.network.bridge, constants.OVS_DATAPATH_SYSTEM)
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def test_plug_ovs_bridge(self):
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calls = {
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@ -109,7 +114,9 @@ class PluginTest(testtools.TestCase):
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'ca:fe:de:ad:be:ef',
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'f0000000-0000-0000-0000-000000000001',
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1500,
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timeout=120)]
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timeout=120)],
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'ensure_ovs_bridge': [mock.call('br0',
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constants.OVS_DATAPATH_SYSTEM)]
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}
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with nested(
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@ -118,9 +125,10 @@ class PluginTest(testtools.TestCase):
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return_value=False),
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mock.patch.object(linux_net, 'create_veth_pair'),
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mock.patch.object(linux_net, 'add_bridge_port'),
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mock.patch.object(linux_net, 'create_ovs_vif_port')
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mock.patch.object(linux_net, 'create_ovs_vif_port'),
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mock.patch.object(linux_net, 'ensure_ovs_bridge')
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) as (ensure_bridge, device_exists, create_veth_pair,
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add_bridge_port, create_ovs_vif_port):
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add_bridge_port, create_ovs_vif_port, ensure_ovs_bridge):
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plugin = ovs.OvsPlugin.load("ovs")
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plugin.plug(self.vif_ovs_hybrid, self.instance)
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ensure_bridge.assert_has_calls(calls['ensure_bridge'])
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@ -128,6 +136,7 @@ class PluginTest(testtools.TestCase):
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create_veth_pair.assert_has_calls(calls['create_veth_pair'])
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add_bridge_port.assert_has_calls(calls['add_bridge_port'])
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create_ovs_vif_port.assert_has_calls(calls['create_ovs_vif_port'])
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ensure_ovs_bridge.assert_has_calls(calls['ensure_ovs_bridge'])
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def test_unplug_ovs(self):
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unplug_bridge_mock = mock.Mock()
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@ -160,14 +169,19 @@ class PluginTest(testtools.TestCase):
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'f0000000-0000-0000-0000-000000000001',
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1500,
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interface_type='dpdkvhostuser',
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timeout=120)]
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timeout=120)],
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'ensure_ovs_bridge': [mock.call('br0',
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constants.OVS_DATAPATH_NETDEV)]
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}
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with mock.patch.object(linux_net, 'create_ovs_vif_port') \
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as (create_ovs_vif_port):
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with nested(
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mock.patch.object(linux_net, 'create_ovs_vif_port'),
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mock.patch.object(linux_net, 'ensure_ovs_bridge')
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) as (create_ovs_vif_port, ensure_ovs_bridge):
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plugin = ovs.OvsPlugin.load("ovs")
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plugin.plug(self.vif_vhostuser, self.instance)
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create_ovs_vif_port.assert_has_calls(calls['create_ovs_vif_port'])
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ensure_ovs_bridge.assert_has_calls(calls['ensure_ovs_bridge'])
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def test_unplug_ovs_vhostuser(self):
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calls = {
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