484 lines
21 KiB
Python
484 lines
21 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 Nicira Networks, Inc.
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# 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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# @author: Dave Lapsley, Nicira Networks, Inc.
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import mox
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from oslo.config import cfg
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from neutron.agent.linux import ip_lib
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from neutron.agent.linux import ovs_lib
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from neutron.openstack.common import log
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from neutron.plugins.openvswitch.agent import ovs_neutron_agent
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from neutron.plugins.openvswitch.common import constants
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from neutron.tests import base
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# Useful global dummy variables.
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NET_UUID = '3faeebfe-5d37-11e1-a64b-000c29d5f0a7'
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LS_ID = 42
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LV_ID = 42
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LV_IDS = [42, 43]
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VIF_ID = '404deaec-5d37-11e1-a64b-000c29d5f0a8'
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VIF_MAC = '3c:09:24:1e:78:23'
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OFPORT_NUM = 1
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VIF_PORT = ovs_lib.VifPort('port', OFPORT_NUM,
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VIF_ID, VIF_MAC, 'switch')
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VIF_PORTS = {VIF_ID: VIF_PORT}
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LVM = ovs_neutron_agent.LocalVLANMapping(LV_ID, 'gre', None, LS_ID, VIF_PORTS)
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LVM_FLAT = ovs_neutron_agent.LocalVLANMapping(
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LV_ID, 'flat', 'net1', LS_ID, VIF_PORTS)
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LVM_VLAN = ovs_neutron_agent.LocalVLANMapping(
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LV_ID, 'vlan', 'net1', LS_ID, VIF_PORTS)
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TUN_OFPORTS = {constants.TYPE_GRE: {'ip1': '11', 'ip2': '12'}}
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BCAST_MAC = "01:00:00:00:00:00/01:00:00:00:00:00"
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UCAST_MAC = "00:00:00:00:00:00/01:00:00:00:00:00"
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class DummyPort:
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def __init__(self, interface_id):
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self.interface_id = interface_id
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class DummyVlanBinding:
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def __init__(self, network_id, vlan_id):
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self.network_id = network_id
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self.vlan_id = vlan_id
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class TunnelTest(base.BaseTestCase):
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def setUp(self):
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super(TunnelTest, self).setUp()
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cfg.CONF.set_override('rpc_backend',
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'neutron.openstack.common.rpc.impl_fake')
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cfg.CONF.set_override('report_interval', 0, 'AGENT')
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self.mox = mox.Mox()
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self.addCleanup(self.mox.UnsetStubs)
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self.INT_BRIDGE = 'integration_bridge'
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self.TUN_BRIDGE = 'tunnel_bridge'
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self.MAP_TUN_BRIDGE = 'tunnel_bridge_mapping'
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self.NET_MAPPING = {'net1': self.MAP_TUN_BRIDGE}
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self.INT_OFPORT = 11111
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self.TUN_OFPORT = 22222
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self.MAP_TUN_OFPORT = 33333
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self.VETH_MTU = None
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self.inta = self.mox.CreateMock(ip_lib.IPDevice)
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self.intb = self.mox.CreateMock(ip_lib.IPDevice)
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self.inta.link = self.mox.CreateMock(ip_lib.IpLinkCommand)
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self.intb.link = self.mox.CreateMock(ip_lib.IpLinkCommand)
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self.mox.StubOutClassWithMocks(ovs_lib, 'OVSBridge')
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self.mock_int_bridge = ovs_lib.OVSBridge(self.INT_BRIDGE, 'sudo')
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self.mock_int_bridge.get_local_port_mac().AndReturn('000000000001')
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self.mock_int_bridge.delete_port('patch-tun')
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self.mock_int_bridge.remove_all_flows()
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self.mock_int_bridge.add_flow(priority=1, actions='normal')
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self.mock_map_tun_bridge = ovs_lib.OVSBridge(
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self.MAP_TUN_BRIDGE, 'sudo')
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self.mock_map_tun_bridge.br_name = self.MAP_TUN_BRIDGE
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self.mock_map_tun_bridge.remove_all_flows()
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self.mock_map_tun_bridge.add_flow(priority=1, actions='normal')
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self.mock_int_bridge.delete_port('int-tunnel_bridge_mapping')
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self.mock_map_tun_bridge.delete_port('phy-tunnel_bridge_mapping')
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self.mock_int_bridge.add_port(self.inta)
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self.mock_map_tun_bridge.add_port(self.intb)
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self.inta.link.set_up()
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self.intb.link.set_up()
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self.mock_int_bridge.add_flow(priority=2, in_port=None, actions='drop')
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self.mock_map_tun_bridge.add_flow(
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priority=2, in_port=None, actions='drop')
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self.mock_tun_bridge = ovs_lib.OVSBridge(self.TUN_BRIDGE, 'sudo')
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self.mock_tun_bridge.reset_bridge()
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self.mock_int_bridge.add_patch_port(
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'patch-tun', 'patch-int').AndReturn(self.TUN_OFPORT)
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self.mock_tun_bridge.add_patch_port(
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'patch-int', 'patch-tun').AndReturn(self.INT_OFPORT)
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self.mock_tun_bridge.remove_all_flows()
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self.mock_tun_bridge.add_flow(priority=1,
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in_port=self.INT_OFPORT,
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actions="resubmit(,%s)" %
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constants.PATCH_LV_TO_TUN)
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self.mock_tun_bridge.add_flow(priority=0, actions='drop')
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self.mock_tun_bridge.add_flow(table=constants.PATCH_LV_TO_TUN,
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dl_dst=UCAST_MAC,
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actions="resubmit(,%s)" %
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constants.UCAST_TO_TUN)
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self.mock_tun_bridge.add_flow(table=constants.PATCH_LV_TO_TUN,
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dl_dst=BCAST_MAC,
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actions="resubmit(,%s)" %
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constants.FLOOD_TO_TUN)
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for tunnel_type in constants.TUNNEL_NETWORK_TYPES:
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self.mock_tun_bridge.add_flow(
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table=constants.TUN_TABLE[tunnel_type],
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priority=0,
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actions="drop")
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learned_flow = ("table=%s,"
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"priority=1,"
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"hard_timeout=300,"
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"NXM_OF_VLAN_TCI[0..11],"
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"NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],"
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"load:0->NXM_OF_VLAN_TCI[],"
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"load:NXM_NX_TUN_ID[]->NXM_NX_TUN_ID[],"
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"output:NXM_OF_IN_PORT[]" %
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constants.UCAST_TO_TUN)
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self.mock_tun_bridge.add_flow(table=constants.LEARN_FROM_TUN,
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priority=1,
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actions="learn(%s),output:%s" %
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(learned_flow, self.INT_OFPORT))
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self.mock_tun_bridge.add_flow(table=constants.UCAST_TO_TUN,
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priority=0,
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actions="resubmit(,%s)" %
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constants.FLOOD_TO_TUN)
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self.mock_tun_bridge.add_flow(table=constants.FLOOD_TO_TUN,
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priority=0,
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actions="drop")
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self.mox.StubOutWithMock(ip_lib, 'device_exists')
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ip_lib.device_exists('tunnel_bridge_mapping', 'sudo').AndReturn(True)
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ip_lib.device_exists(
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'int-tunnel_bridge_mapping', 'sudo').AndReturn(True)
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self.mox.StubOutWithMock(ip_lib.IpLinkCommand, 'delete')
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ip_lib.IPDevice('int-tunnel_bridge_mapping').link.delete()
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self.mox.StubOutClassWithMocks(ip_lib, 'IPWrapper')
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ip_lib.IPWrapper('sudo').add_veth(
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'int-tunnel_bridge_mapping',
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'phy-tunnel_bridge_mapping').AndReturn([self.inta, self.intb])
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self.mox.StubOutWithMock(ovs_lib, 'get_bridges')
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ovs_lib.get_bridges('sudo').AndReturn([self.INT_BRIDGE,
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self.TUN_BRIDGE,
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self.MAP_TUN_BRIDGE])
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def testConstruct(self):
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self.mox.ReplayAll()
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ovs_neutron_agent.OVSNeutronAgent(self.INT_BRIDGE,
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self.TUN_BRIDGE,
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'10.0.0.1', self.NET_MAPPING,
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'sudo', 2, ['gre'],
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self.VETH_MTU)
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self.mox.VerifyAll()
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def testConstructVXLAN(self):
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self.mox.StubOutWithMock(ovs_lib, 'get_installed_ovs_klm_version')
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ovs_lib.get_installed_ovs_klm_version().AndReturn("1.10")
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self.mox.StubOutWithMock(ovs_lib, 'get_installed_ovs_usr_version')
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ovs_lib.get_installed_ovs_usr_version('sudo').AndReturn("1.10")
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self.mox.ReplayAll()
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ovs_neutron_agent.OVSNeutronAgent(self.INT_BRIDGE,
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self.TUN_BRIDGE,
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'10.0.0.1', self.NET_MAPPING,
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'sudo', 2, ['vxlan'],
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self.VETH_MTU)
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self.mox.VerifyAll()
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def testProvisionLocalVlan(self):
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ofports = ','.join(TUN_OFPORTS[constants.TYPE_GRE].values())
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self.mock_tun_bridge.mod_flow(table=constants.FLOOD_TO_TUN,
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priority=1,
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dl_vlan=LV_ID,
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actions="strip_vlan,"
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"set_tunnel:%s,output:%s" %
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(LS_ID, ofports))
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self.mock_tun_bridge.add_flow(table=constants.TUN_TABLE['gre'],
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priority=1,
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tun_id=LS_ID,
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actions="mod_vlan_vid:%s,resubmit(,%s)" %
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(LV_ID, constants.LEARN_FROM_TUN))
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self.mox.ReplayAll()
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a = ovs_neutron_agent.OVSNeutronAgent(self.INT_BRIDGE,
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self.TUN_BRIDGE,
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'10.0.0.1', self.NET_MAPPING,
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'sudo', 2, ['gre'],
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self.VETH_MTU)
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a.available_local_vlans = set([LV_ID])
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a.tun_br_ofports = TUN_OFPORTS
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a.provision_local_vlan(NET_UUID, constants.TYPE_GRE, None, LS_ID)
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self.mox.VerifyAll()
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def testProvisionLocalVlanFlat(self):
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action_string = 'strip_vlan,normal'
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self.mock_map_tun_bridge.add_flow(
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priority=4, in_port=self.MAP_TUN_OFPORT,
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dl_vlan=LV_ID, actions=action_string)
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action_string = 'mod_vlan_vid:%s,normal' % LV_ID
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self.mock_int_bridge.add_flow(priority=3, in_port=self.INT_OFPORT,
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dl_vlan=65535, actions=action_string)
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self.mox.ReplayAll()
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a = ovs_neutron_agent.OVSNeutronAgent(self.INT_BRIDGE,
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self.TUN_BRIDGE,
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'10.0.0.1', self.NET_MAPPING,
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'sudo', 2, ['gre'],
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self.VETH_MTU)
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a.available_local_vlans = set([LV_ID])
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a.phys_brs['net1'] = self.mock_map_tun_bridge
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a.phys_ofports['net1'] = self.MAP_TUN_OFPORT
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a.int_ofports['net1'] = self.INT_OFPORT
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a.provision_local_vlan(NET_UUID, constants.TYPE_FLAT, 'net1', LS_ID)
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self.mox.VerifyAll()
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def testProvisionLocalVlanFlatFail(self):
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self.mox.ReplayAll()
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a = ovs_neutron_agent.OVSNeutronAgent(self.INT_BRIDGE,
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self.TUN_BRIDGE,
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'10.0.0.1', self.NET_MAPPING,
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'sudo', 2, ['gre'],
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self.VETH_MTU)
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a.provision_local_vlan(NET_UUID, constants.TYPE_FLAT, 'net2', LS_ID)
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self.mox.VerifyAll()
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def testProvisionLocalVlanVlan(self):
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action_string = 'mod_vlan_vid:%s,normal' % LS_ID
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self.mock_map_tun_bridge.add_flow(
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priority=4, in_port=self.MAP_TUN_OFPORT,
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dl_vlan=LV_ID, actions=action_string)
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action_string = 'mod_vlan_vid:%s,normal' % LS_ID
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self.mock_int_bridge.add_flow(priority=3, in_port=self.INT_OFPORT,
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dl_vlan=LV_ID, actions=action_string)
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self.mox.ReplayAll()
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a = ovs_neutron_agent.OVSNeutronAgent(self.INT_BRIDGE,
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self.TUN_BRIDGE,
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'10.0.0.1', self.NET_MAPPING,
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'sudo', 2, ['gre'],
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self.VETH_MTU)
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a.available_local_vlans = set([LV_ID])
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a.phys_brs['net1'] = self.mock_map_tun_bridge
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a.phys_ofports['net1'] = self.MAP_TUN_OFPORT
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a.int_ofports['net1'] = self.INT_OFPORT
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a.provision_local_vlan(NET_UUID, constants.TYPE_VLAN, 'net1', LS_ID)
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self.mox.VerifyAll()
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def testProvisionLocalVlanVlanFail(self):
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self.mox.ReplayAll()
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a = ovs_neutron_agent.OVSNeutronAgent(self.INT_BRIDGE,
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self.TUN_BRIDGE,
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'10.0.0.1', self.NET_MAPPING,
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'sudo', 2, ['gre'],
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self.VETH_MTU)
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a.provision_local_vlan(NET_UUID, constants.TYPE_VLAN, 'net2', LS_ID)
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self.mox.VerifyAll()
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def testReclaimLocalVlan(self):
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self.mock_tun_bridge.delete_flows(
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table=constants.TUN_TABLE['gre'], tun_id=LS_ID)
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self.mock_tun_bridge.delete_flows(dl_vlan=LVM.vlan)
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self.mox.ReplayAll()
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a = ovs_neutron_agent.OVSNeutronAgent(self.INT_BRIDGE,
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self.TUN_BRIDGE,
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'10.0.0.1', self.NET_MAPPING,
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'sudo', 2, ['gre'],
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self.VETH_MTU)
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a.available_local_vlans = set()
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a.local_vlan_map[NET_UUID] = LVM
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a.reclaim_local_vlan(NET_UUID)
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self.assertTrue(LVM.vlan in a.available_local_vlans)
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self.mox.VerifyAll()
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def testReclaimLocalVlanFlat(self):
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self.mock_map_tun_bridge.delete_flows(
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in_port=self.MAP_TUN_OFPORT, dl_vlan=LVM_FLAT.vlan)
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self.mock_int_bridge.delete_flows(
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dl_vlan=65535, in_port=self.INT_OFPORT)
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self.mox.ReplayAll()
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a = ovs_neutron_agent.OVSNeutronAgent(self.INT_BRIDGE,
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self.TUN_BRIDGE,
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'10.0.0.1', self.NET_MAPPING,
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'sudo', 2, ['gre'],
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self.VETH_MTU)
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a.phys_brs['net1'] = self.mock_map_tun_bridge
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a.phys_ofports['net1'] = self.MAP_TUN_OFPORT
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a.int_ofports['net1'] = self.INT_OFPORT
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a.available_local_vlans = set()
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a.local_vlan_map[NET_UUID] = LVM_FLAT
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a.reclaim_local_vlan(NET_UUID)
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self.assertTrue(LVM_FLAT.vlan in a.available_local_vlans)
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self.mox.VerifyAll()
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def testReclaimLocalVlanVLAN(self):
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self.mock_map_tun_bridge.delete_flows(
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in_port=self.MAP_TUN_OFPORT, dl_vlan=LVM_VLAN.vlan)
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self.mock_int_bridge.delete_flows(
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dl_vlan=LV_ID, in_port=self.INT_OFPORT)
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self.mox.ReplayAll()
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a = ovs_neutron_agent.OVSNeutronAgent(self.INT_BRIDGE,
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self.TUN_BRIDGE,
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'10.0.0.1', self.NET_MAPPING,
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'sudo', 2, ['gre'],
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self.VETH_MTU)
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a.phys_brs['net1'] = self.mock_map_tun_bridge
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a.phys_ofports['net1'] = self.MAP_TUN_OFPORT
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a.int_ofports['net1'] = self.INT_OFPORT
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a.available_local_vlans = set()
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a.local_vlan_map[NET_UUID] = LVM_VLAN
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a.reclaim_local_vlan(NET_UUID)
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self.assertTrue(LVM_VLAN.vlan in a.available_local_vlans)
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self.mox.VerifyAll()
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def testPortBound(self):
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self.mock_int_bridge.set_db_attribute('Port', VIF_PORT.port_name,
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'tag', str(LVM.vlan))
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self.mock_int_bridge.delete_flows(in_port=VIF_PORT.ofport)
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self.mox.ReplayAll()
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a = ovs_neutron_agent.OVSNeutronAgent(self.INT_BRIDGE,
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self.TUN_BRIDGE,
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'10.0.0.1', self.NET_MAPPING,
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'sudo', 2, ['gre'],
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self.VETH_MTU)
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a.local_vlan_map[NET_UUID] = LVM
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a.port_bound(VIF_PORT, NET_UUID, 'gre', None, LS_ID)
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self.mox.VerifyAll()
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def testPortUnbound(self):
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self.mox.StubOutWithMock(
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ovs_neutron_agent.OVSNeutronAgent, 'reclaim_local_vlan')
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ovs_neutron_agent.OVSNeutronAgent.reclaim_local_vlan(NET_UUID)
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self.mox.ReplayAll()
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a = ovs_neutron_agent.OVSNeutronAgent(self.INT_BRIDGE,
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self.TUN_BRIDGE,
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'10.0.0.1', self.NET_MAPPING,
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'sudo', 2, ['gre'],
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self.VETH_MTU)
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a.local_vlan_map[NET_UUID] = LVM
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a.port_unbound(VIF_ID, NET_UUID)
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self.mox.VerifyAll()
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def testPortDead(self):
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self.mock_int_bridge.set_db_attribute(
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'Port', VIF_PORT.port_name, 'tag', ovs_neutron_agent.DEAD_VLAN_TAG)
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self.mock_int_bridge.add_flow(priority=2, in_port=VIF_PORT.ofport,
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actions='drop')
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self.mox.ReplayAll()
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a = ovs_neutron_agent.OVSNeutronAgent(self.INT_BRIDGE,
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self.TUN_BRIDGE,
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'10.0.0.1', self.NET_MAPPING,
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'sudo', 2, ['gre'],
|
|
self.VETH_MTU)
|
|
a.available_local_vlans = set([LV_ID])
|
|
a.local_vlan_map[NET_UUID] = LVM
|
|
a.port_dead(VIF_PORT)
|
|
self.mox.VerifyAll()
|
|
|
|
def testTunnelUpdate(self):
|
|
self.mock_tun_bridge.add_tunnel_port('gre-1', '10.0.10.1', '10.0.0.1',
|
|
'gre', 4789)
|
|
self.mox.ReplayAll()
|
|
a = ovs_neutron_agent.OVSNeutronAgent(self.INT_BRIDGE,
|
|
self.TUN_BRIDGE,
|
|
'10.0.0.1', self.NET_MAPPING,
|
|
'sudo', 2, ['gre'],
|
|
self.VETH_MTU)
|
|
a.tunnel_update(
|
|
mox.MockAnything, tunnel_id='1', tunnel_ip='10.0.10.1',
|
|
tunnel_type=constants.TYPE_GRE)
|
|
self.mox.VerifyAll()
|
|
|
|
def testTunnelUpdateSelf(self):
|
|
self.mox.ReplayAll()
|
|
a = ovs_neutron_agent.OVSNeutronAgent(self.INT_BRIDGE,
|
|
self.TUN_BRIDGE,
|
|
'10.0.0.1', self.NET_MAPPING,
|
|
'sudo', 2, ['gre'],
|
|
self.VETH_MTU)
|
|
a.tunnel_update(
|
|
mox.MockAnything, tunnel_id='1', tunnel_ip='10.0.0.1')
|
|
self.mox.VerifyAll()
|
|
|
|
def testDaemonLoop(self):
|
|
reply2 = {'current': set(['tap0']),
|
|
'added': set(['tap2']),
|
|
'removed': set([])}
|
|
|
|
reply3 = {'current': set(['tap2']),
|
|
'added': set([]),
|
|
'removed': set(['tap0'])}
|
|
|
|
self.mox.StubOutWithMock(log.ContextAdapter, 'exception')
|
|
log.ContextAdapter.exception(
|
|
_("Error in agent event loop")).AndRaise(
|
|
Exception('Fake exception to get out of the loop'))
|
|
|
|
self.mox.StubOutWithMock(
|
|
ovs_neutron_agent.OVSNeutronAgent, 'scan_ports')
|
|
ovs_neutron_agent.OVSNeutronAgent.scan_ports(
|
|
set(), set()).AndReturn(reply2)
|
|
ovs_neutron_agent.OVSNeutronAgent.scan_ports(
|
|
set(['tap0']), set()).AndReturn(reply3)
|
|
self.mox.StubOutWithMock(
|
|
ovs_neutron_agent.OVSNeutronAgent, 'process_network_ports')
|
|
ovs_neutron_agent.OVSNeutronAgent.process_network_ports(
|
|
{'current': set(['tap0']),
|
|
'removed': set([]),
|
|
'added': set(['tap2'])}).AndReturn(False)
|
|
ovs_neutron_agent.OVSNeutronAgent.process_network_ports(
|
|
{'current': set(['tap2']),
|
|
'removed': set(['tap0']),
|
|
'added': set([])}).AndRaise(
|
|
Exception('Fake exception to get out of the loop'))
|
|
self.mox.ReplayAll()
|
|
q_agent = ovs_neutron_agent.OVSNeutronAgent(self.INT_BRIDGE,
|
|
self.TUN_BRIDGE,
|
|
'10.0.0.1',
|
|
self.NET_MAPPING,
|
|
'sudo', 2, ['gre'],
|
|
self.VETH_MTU)
|
|
|
|
# Hack to test loop
|
|
# We start method and expect it will raise after 2nd loop
|
|
# If something goes wrong, mox.VerifyAll() will catch it
|
|
try:
|
|
q_agent.daemon_loop()
|
|
except Exception:
|
|
pass
|
|
|
|
self.mox.VerifyAll()
|
|
|
|
|
|
class TunnelTestWithMTU(TunnelTest):
|
|
|
|
def setUp(self):
|
|
super(TunnelTestWithMTU, self).setUp()
|
|
self.VETH_MTU = 1500
|
|
self.inta.link.set_mtu(self.VETH_MTU)
|
|
self.intb.link.set_mtu(self.VETH_MTU)
|