Merge "Adds support for the Indigo Virtual Switch (IVS)"

This commit is contained in:
Jenkins 2013-06-08 00:35:42 +00:00 committed by Gerrit Code Review
commit a8c7ab6a3c
8 changed files with 187 additions and 1 deletions

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@ -40,3 +40,9 @@ servers=localhost:8080
#server_ssl=True
#sync_data=True
#server_timeout=10
[NOVA]
# Specify the VIF_TYPE that will be controlled on the Nova compute instances
# options: ivs or ovs
# default: ovs
# vif_type = ovs

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@ -21,6 +21,7 @@ kill_dnsmasq_usr: KillFilter, root, /usr/sbin/dnsmasq, -9, -HUP
# dhcp-agent uses cat
cat: RegExpFilter, cat, root, cat, /proc/\d+/cmdline
ovs-vsctl: CommandFilter, ovs-vsctl, root
ivs-ctl: CommandFilter, ivs-ctl, root
# metadata proxy
metadata_proxy: CommandFilter, quantum-ns-metadata-proxy, root

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@ -219,6 +219,69 @@ class OVSInterfaceDriver(LinuxInterfaceDriver):
device_name)
class IVSInterfaceDriver(LinuxInterfaceDriver):
"""Driver for creating an internal interface on an IVS bridge."""
DEV_NAME_PREFIX = 'tap'
def __init__(self, conf):
super(IVSInterfaceDriver, self).__init__(conf)
self.DEV_NAME_PREFIX = 'ns-'
def _get_tap_name(self, dev_name, prefix=None):
dev_name = dev_name.replace(prefix or self.DEV_NAME_PREFIX, 'tap')
return dev_name
def _ivs_add_port(self, device_name, port_id, mac_address):
cmd = ['ivs-ctl', 'add-port', device_name]
utils.execute(cmd, self.root_helper)
def plug(self, network_id, port_id, device_name, mac_address,
bridge=None, namespace=None, prefix=None):
"""Plug in the interface."""
if not ip_lib.device_exists(device_name,
self.root_helper,
namespace=namespace):
ip = ip_lib.IPWrapper(self.root_helper)
tap_name = self._get_tap_name(device_name, prefix)
root_dev, ns_dev = ip.add_veth(tap_name, device_name)
self._ivs_add_port(tap_name, port_id, mac_address)
ns_dev = ip.device(device_name)
ns_dev.link.set_address(mac_address)
if self.conf.network_device_mtu:
ns_dev.link.set_mtu(self.conf.network_device_mtu)
root_dev.link.set_mtu(self.conf.network_device_mtu)
if namespace:
namespace_obj = ip.ensure_namespace(namespace)
namespace_obj.add_device_to_namespace(ns_dev)
ns_dev.link.set_up()
root_dev.link.set_up()
else:
LOG.warn(_("Device %s already exists"), device_name)
def unplug(self, device_name, bridge=None, namespace=None, prefix=None):
"""Unplug the interface."""
tap_name = self._get_tap_name(device_name, prefix)
try:
cmd = ['ivs-ctl', 'del-port', tap_name]
utils.execute(cmd, self.root_helper)
device = ip_lib.IPDevice(device_name,
self.root_helper,
namespace)
device.link.delete()
LOG.debug(_("Unplugged interface '%s'"), device_name)
except RuntimeError:
LOG.error(_("Failed unplugging interface '%s'"),
device_name)
class BridgeInterfaceDriver(LinuxInterfaceDriver):
"""Driver for creating bridge interfaces."""

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@ -38,6 +38,7 @@ CAP_PORT_FILTER = 'port_filter'
VIF_TYPE_UNBOUND = 'unbound'
VIF_TYPE_BINDING_FAILED = 'binding_failed'
VIF_TYPE_OVS = 'ovs'
VIF_TYPE_IVS = 'ivs'
VIF_TYPE_BRIDGE = 'bridge'
VIF_TYPE_802_QBG = '802.1qbg'
VIF_TYPE_802_QBH = '802.1qbh'

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@ -104,6 +104,16 @@ restproxy_opts = [
cfg.CONF.register_opts(restproxy_opts, "RESTPROXY")
nova_opts = [
cfg.StrOpt('vif_type', default='ovs',
help=_("Virtual interface type to configure on "
"Nova compute nodes")),
]
cfg.CONF.register_opts(nova_opts, "NOVA")
# The following are used to invoke the API on the external controller
NET_RESOURCE_PATH = "/tenants/%s/networks"
PORT_RESOURCE_PATH = "/tenants/%s/networks/%s/ports"
@ -1267,7 +1277,16 @@ class QuantumRestProxyV2(db_base_plugin_v2.QuantumDbPluginV2,
return data
def _extend_port_dict_binding(self, context, port):
port[portbindings.VIF_TYPE] = portbindings.VIF_TYPE_OVS
cfg_vif_type = cfg.CONF.NOVA.vif_type.lower()
if not cfg_vif_type in (portbindings.VIF_TYPE_OVS,
portbindings.VIF_TYPE_IVS):
LOG.warning(_("Unrecognized vif_type in configuration "
"[%s]. Defaulting to ovs. "),
cfg_vif_type)
cfg_vif_type = portbindings.VIF_TYPE_OVS
port[portbindings.VIF_TYPE] = cfg_vif_type
port[portbindings.CAPABILITIES] = {
portbindings.CAP_PORT_FILTER:
'security-group' in self.supported_extension_aliases}

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@ -24,3 +24,10 @@ reconnect_interval = 2
servers=localhost:8899
serverssl=False
#serverauth=username:password
[NOVA]
# Specify the VIF_TYPE that will be controlled on the Nova compute instances
# options: ivs or ovs
# default: ovs
vif_type = ovs

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@ -18,6 +18,7 @@
import os
from mock import patch
from oslo.config import cfg
import quantum.common.test_lib as test_lib
from quantum.extensions import portbindings
@ -93,6 +94,18 @@ class TestBigSwitchProxyPortsV2(test_plugin.TestPortsV2,
HAS_PORT_FILTER = False
class TestBigSwitchProxyPortsV2IVS(test_plugin.TestPortsV2,
BigSwitchProxyPluginV2TestCase,
test_bindings.PortBindingsTestCase):
VIF_TYPE = portbindings.VIF_TYPE_IVS
HAS_PORT_FILTER = False
def setUp(self):
super(TestBigSwitchProxyPortsV2IVS,
self).setUp()
cfg.CONF.set_override('vif_type', 'ivs', 'NOVA')
class TestBigSwitchProxyNetworksV2(test_plugin.TestNetworksV2,
BigSwitchProxyPluginV2TestCase):

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@ -394,3 +394,79 @@ class TestMetaInterfaceDriver(TestBase):
namespace=namespace)
self.ip_dev.assert_has_calls(expected)
self.assertEquals('fake1', plugin_tag1)
class TestIVSInterfaceDriver(TestBase):
def setUp(self):
super(TestIVSInterfaceDriver, self).setUp()
def test_get_device_name(self):
br = interface.IVSInterfaceDriver(self.conf)
device_name = br.get_device_name(FakePort())
self.assertEqual('ns-abcdef01-12', device_name)
def test_plug_with_prefix(self):
self._test_plug(devname='qr-0', prefix='qr-')
def _test_plug(self, devname=None, namespace=None,
prefix=None, mtu=None):
if not devname:
devname = 'ns-0'
def device_exists(dev, root_helper=None, namespace=None):
return dev == 'indigo'
ivs = interface.IVSInterfaceDriver(self.conf)
self.device_exists.side_effect = device_exists
root_dev = mock.Mock()
_ns_dev = mock.Mock()
ns_dev = mock.Mock()
self.ip().add_veth = mock.Mock(return_value=(root_dev, _ns_dev))
self.ip().device = mock.Mock(return_value=(ns_dev))
expected = [mock.call('sudo'), mock.call().add_veth('tap0', devname),
mock.call().device(devname)]
ivsctl_cmd = ['ivs-ctl', 'add-port', 'tap0']
with mock.patch.object(utils, 'execute') as execute:
ivs.plug('01234567-1234-1234-99',
'port-1234',
devname,
'aa:bb:cc:dd:ee:ff',
namespace=namespace,
prefix=prefix)
execute.assert_called_once_with(ivsctl_cmd, 'sudo')
ns_dev.assert_has_calls(
[mock.call.link.set_address('aa:bb:cc:dd:ee:ff')])
if mtu:
ns_dev.assert_has_calls([mock.call.link.set_mtu(mtu)])
root_dev.assert_has_calls([mock.call.link.set_mtu(mtu)])
if namespace:
expected.extend(
[mock.call().ensure_namespace(namespace),
mock.call().ensure_namespace().add_device_to_namespace(
mock.ANY)])
self.ip.assert_has_calls(expected)
root_dev.assert_has_calls([mock.call.link.set_up()])
ns_dev.assert_has_calls([mock.call.link.set_up()])
def test_plug_mtu(self):
self.conf.set_override('network_device_mtu', 9000)
self._test_plug(mtu=9000)
def test_plug_namespace(self):
self._test_plug(namespace='mynamespace')
def test_unplug(self):
ivs = interface.IVSInterfaceDriver(self.conf)
ivsctl_cmd = ['ivs-ctl', 'del-port', 'tap0']
with mock.patch.object(utils, 'execute') as execute:
ivs.unplug('ns-0')
execute.assert_called_once_with(ivsctl_cmd, 'sudo')
self.ip_dev.assert_has_calls([mock.call('ns-0', 'sudo', None),
mock.call().link.delete()])