908 lines
37 KiB
Python
908 lines
37 KiB
Python
# Copyright 2012, VMware, Inc.
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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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import collections
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import mock
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from oslo_serialization import jsonutils
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from oslo_utils import uuidutils
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import testtools
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from neutron.agent.common import ovs_lib
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from neutron.agent.common import utils
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from neutron.common import exceptions
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from neutron.plugins.common import constants
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from neutron.plugins.ml2.drivers.openvswitch.agent.common \
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import constants as p_const
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from neutron.tests import base
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from neutron.tests import tools
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OVS_LINUX_KERN_VERS_WITHOUT_VXLAN = "3.12.0"
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# some test data for get_vif_port_to_ofport_map that exhibited bug 1444269
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OVSLIST_WITH_UNSET_PORT = (
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'{"data":[["patch-tun",["map",[]],1],["tap2ab72a72-44",["map",[["attached-'
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'mac","fa:16:3e:b0:f8:38"],["iface-id","2ab72a72-4407-4ef3-806a-b2172f3e4d'
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'c7"],["iface-status","active"]]],2],["tap6b108774-15",["map",[["attached-'
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'mac","fa:16:3e:02:f5:91"],["iface-id","6b108774-1559-45e9-a7c3-b714f11722'
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'cf"],["iface-status","active"]]],["set",[]]]],"headings":["name","externa'
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'l_ids","ofport"]}')
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class OFCTLParamListMatcher(object):
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def _parse(self, params):
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actions_pos = params.find('actions')
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return set(params[:actions_pos].split(',')), params[actions_pos:]
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def __init__(self, params):
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self.expected = self._parse(params)
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def __eq__(self, other):
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return self.expected == self._parse(other)
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def __str__(self):
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return 'ovs-ofctl parameters: %s, "%s"' % self.expected
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__repr__ = __str__
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class OVS_Lib_Test(base.BaseTestCase):
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"""A test suite to exercise the OVS libraries shared by Neutron agents.
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Note: these tests do not actually execute ovs-* utilities, and thus
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can run on any system. That does, however, limit their scope.
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"""
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def setUp(self):
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super(OVS_Lib_Test, self).setUp()
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self.BR_NAME = "br-int"
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self.br = ovs_lib.OVSBridge(self.BR_NAME)
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self.execute = mock.patch.object(
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utils, "execute", spec=utils.execute).start()
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@property
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def TO(self):
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return "--timeout=%s" % self.br.vsctl_timeout
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def _vsctl_args(self, *args):
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cmd = ['ovs-vsctl', self.TO, '--oneline', '--format=json', '--']
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cmd += args
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return cmd
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def _vsctl_mock(self, *args):
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cmd = self._vsctl_args(*args)
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return mock.call(cmd, run_as_root=True, log_fail_as_error=False)
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def _verify_vsctl_mock(self, *args):
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cmd = self._vsctl_args(*args)
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self.execute.assert_called_once_with(cmd, run_as_root=True,
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log_fail_as_error=False)
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def test_vifport(self):
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"""Create and stringify vif port, confirm no exceptions."""
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pname = "vif1.0"
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ofport = 5
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vif_id = uuidutils.generate_uuid()
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mac = "ca:fe:de:ad:be:ef"
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# test __init__
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port = ovs_lib.VifPort(pname, ofport, vif_id, mac, self.br)
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self.assertEqual(port.port_name, pname)
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self.assertEqual(port.ofport, ofport)
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self.assertEqual(port.vif_id, vif_id)
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self.assertEqual(port.vif_mac, mac)
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self.assertEqual(port.switch.br_name, self.BR_NAME)
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# test __str__
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str(port)
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def _build_timeout_opt(self, exp_timeout):
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return "--timeout=%d" % exp_timeout if exp_timeout else self.TO
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def test_add_flow(self):
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ofport = "99"
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vid = 4000
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lsw_id = 18
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cidr = '192.168.1.0/24'
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flow_dict_1 = collections.OrderedDict([
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('cookie', 1234),
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('priority', 2),
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('dl_src', 'ca:fe:de:ad:be:ef'),
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('actions', 'strip_vlan,output:0')])
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flow_dict_2 = collections.OrderedDict([
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('cookie', 1254),
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('priority', 1),
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('actions', 'normal')])
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flow_dict_3 = collections.OrderedDict([
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('cookie', 1257),
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('priority', 2),
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('actions', 'drop')])
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flow_dict_4 = collections.OrderedDict([
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('cookie', 1274),
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('priority', 2),
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('in_port', ofport),
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('actions', 'drop')])
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flow_dict_5 = collections.OrderedDict([
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('cookie', 1284),
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('priority', 4),
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('in_port', ofport),
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('dl_vlan', vid),
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('actions', "strip_vlan,set_tunnel:%s,normal" % (lsw_id))])
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flow_dict_6 = collections.OrderedDict([
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('cookie', 1754),
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('priority', 3),
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('tun_id', lsw_id),
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('actions', "mod_vlan_vid:%s,output:%s" % (vid, ofport))])
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flow_dict_7 = collections.OrderedDict([
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('cookie', 1256),
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('priority', 4),
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('nw_src', cidr),
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('proto', 'arp'),
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('actions', 'drop')])
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self.br.add_flow(**flow_dict_1)
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self.br.add_flow(**flow_dict_2)
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self.br.add_flow(**flow_dict_3)
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self.br.add_flow(**flow_dict_4)
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self.br.add_flow(**flow_dict_5)
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self.br.add_flow(**flow_dict_6)
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self.br.add_flow(**flow_dict_7)
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expected_calls = [
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self._ofctl_mock("add-flows", self.BR_NAME, '-',
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process_input=OFCTLParamListMatcher(
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"hard_timeout=0,idle_timeout=0,cookie=1234,"
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"priority=2,dl_src=ca:fe:de:ad:be:ef,"
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"actions=strip_vlan,output:0")),
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self._ofctl_mock("add-flows", self.BR_NAME, '-',
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process_input=OFCTLParamListMatcher(
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"hard_timeout=0,idle_timeout=0,cookie=1254,"
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"priority=1,actions=normal")),
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self._ofctl_mock("add-flows", self.BR_NAME, '-',
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process_input=OFCTLParamListMatcher(
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"hard_timeout=0,idle_timeout=0,cookie=1257,"
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"priority=2,actions=drop")),
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self._ofctl_mock("add-flows", self.BR_NAME, '-',
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process_input=OFCTLParamListMatcher(
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"hard_timeout=0,idle_timeout=0,cookie=1274,"
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"priority=2,in_port=%s,actions=drop" % ofport
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)),
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self._ofctl_mock("add-flows", self.BR_NAME, '-',
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process_input=OFCTLParamListMatcher(
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"hard_timeout=0,idle_timeout=0,cookie=1284,"
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"priority=4,dl_vlan=%s,in_port=%s,"
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"actions=strip_vlan,set_tunnel:%s,normal" %
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(vid, ofport, lsw_id))),
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self._ofctl_mock("add-flows", self.BR_NAME, '-',
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process_input=OFCTLParamListMatcher(
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"hard_timeout=0,idle_timeout=0,cookie=1754,"
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"priority=3,"
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"tun_id=%s,actions=mod_vlan_vid:%s,output:%s"
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% (lsw_id, vid, ofport))),
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self._ofctl_mock("add-flows", self.BR_NAME, '-',
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process_input=OFCTLParamListMatcher(
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"hard_timeout=0,idle_timeout=0,cookie=1256,"
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"priority=4,nw_src=%s,arp,actions=drop"
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% cidr)),
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]
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self.execute.assert_has_calls(expected_calls)
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def _ofctl_args(self, cmd, *args):
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cmd = ['ovs-ofctl', cmd]
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cmd += args
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return cmd
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def _ofctl_mock(self, cmd, *args, **kwargs):
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cmd = self._ofctl_args(cmd, *args)
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return mock.call(cmd, run_as_root=True, **kwargs)
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def _verify_ofctl_mock(self, cmd, *args, **kwargs):
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cmd = self._ofctl_args(cmd, *args)
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return self.execute.assert_called_once_with(cmd, run_as_root=True,
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**kwargs)
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def test_add_flow_timeout_set(self):
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flow_dict = collections.OrderedDict([
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('cookie', 1234),
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('priority', 1),
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('hard_timeout', 1000),
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('idle_timeout', 2000),
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('actions', 'normal')])
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self.br.add_flow(**flow_dict)
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self._verify_ofctl_mock(
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"add-flows", self.BR_NAME, '-',
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process_input="hard_timeout=1000,idle_timeout=2000,"
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"priority=1,cookie=1234,actions=normal")
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def test_add_flow_default_priority(self):
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flow_dict = collections.OrderedDict([('actions', 'normal'),
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('cookie', 1234)])
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self.br.add_flow(**flow_dict)
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self._verify_ofctl_mock(
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"add-flows", self.BR_NAME, '-',
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process_input="hard_timeout=0,idle_timeout=0,priority=1,"
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"cookie=1234,actions=normal")
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def _test_get_port_ofport(self, ofport, expected_result):
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pname = "tap99"
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self.br.vsctl_timeout = 0 # Don't waste precious time retrying
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self.execute.return_value = self._encode_ovs_json(
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['ofport'], [[ofport]])
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self.assertEqual(self.br.get_port_ofport(pname), expected_result)
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self._verify_vsctl_mock("--columns=ofport", "list", "Interface", pname)
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def test_get_port_ofport_succeeds_for_valid_ofport(self):
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self._test_get_port_ofport(6, 6)
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def test_get_port_ofport_returns_invalid_ofport_for_non_int(self):
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self._test_get_port_ofport([], ovs_lib.INVALID_OFPORT)
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def test_get_port_ofport_returns_invalid_for_invalid(self):
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self._test_get_port_ofport(ovs_lib.INVALID_OFPORT,
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ovs_lib.INVALID_OFPORT)
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def test_default_datapath(self):
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# verify kernel datapath is default
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expected = p_const.OVS_DATAPATH_SYSTEM
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self.assertEqual(expected, self.br.datapath_type)
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def test_non_default_datapath(self):
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expected = p_const.OVS_DATAPATH_NETDEV
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self.br = ovs_lib.OVSBridge(self.BR_NAME, datapath_type=expected)
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self.assertEqual(expected, self.br.datapath_type)
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def test_count_flows(self):
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self.execute.return_value = 'ignore\nflow-1\n'
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# counts the number of flows as total lines of output - 2
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self.assertEqual(self.br.count_flows(), 1)
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self._verify_ofctl_mock("dump-flows", self.BR_NAME, process_input=None)
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def test_delete_flow(self):
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ofport = "5"
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lsw_id = 40
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vid = 39
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self.br.delete_flows(in_port=ofport)
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self.br.delete_flows(tun_id=lsw_id)
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self.br.delete_flows(dl_vlan=vid)
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expected_calls = [
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self._ofctl_mock("del-flows", self.BR_NAME, '-',
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process_input="in_port=" + ofport),
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self._ofctl_mock("del-flows", self.BR_NAME, '-',
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process_input="tun_id=%s" % lsw_id),
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self._ofctl_mock("del-flows", self.BR_NAME, '-',
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process_input="dl_vlan=%s" % vid),
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]
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self.execute.assert_has_calls(expected_calls)
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def test_delete_flow_with_priority_set(self):
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params = {'in_port': '1',
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'priority': '1'}
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self.assertRaises(exceptions.InvalidInput,
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self.br.delete_flows,
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**params)
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def test_dump_flows(self):
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table = 23
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nxst_flow = "NXST_FLOW reply (xid=0x4):"
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flows = "\n".join([" cookie=0x0, duration=18042.514s, table=0, "
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"n_packets=6, n_bytes=468, "
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"priority=2,in_port=1 actions=drop",
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" cookie=0x0, duration=18027.562s, table=0, "
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"n_packets=0, n_bytes=0, "
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"priority=3,in_port=1,dl_vlan=100 "
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"actions=mod_vlan_vid:1,NORMAL",
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" cookie=0x0, duration=18044.351s, table=0, "
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"n_packets=9, n_bytes=594, priority=1 "
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"actions=NORMAL", " cookie=0x0, "
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"duration=18044.211s, table=23, n_packets=0, "
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"n_bytes=0, priority=0 actions=drop"])
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flow_args = '\n'.join([nxst_flow, flows])
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run_ofctl = mock.patch.object(self.br, 'run_ofctl').start()
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run_ofctl.side_effect = [flow_args]
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retflows = self.br.dump_flows_for_table(table)
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self.assertEqual(flows, retflows)
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def test_dump_flows_ovs_dead(self):
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table = 23
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run_ofctl = mock.patch.object(self.br, 'run_ofctl').start()
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run_ofctl.side_effect = ['']
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retflows = self.br.dump_flows_for_table(table)
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self.assertEqual(None, retflows)
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def test_mod_flow_with_priority_set(self):
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params = {'in_port': '1',
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'priority': '1'}
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self.assertRaises(exceptions.InvalidInput,
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self.br.mod_flow,
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**params)
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def test_mod_flow_no_actions_set(self):
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params = {'in_port': '1'}
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self.assertRaises(exceptions.InvalidInput,
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self.br.mod_flow,
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**params)
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def test_add_tunnel_port(self):
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pname = "tap99"
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local_ip = "1.1.1.1"
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remote_ip = "9.9.9.9"
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ofport = 6
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command = ["--may-exist", "add-port",
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self.BR_NAME, pname]
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command.extend(["--", "set", "Interface", pname])
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command.extend(["type=gre", "options:df_default=true",
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"options:remote_ip=" + remote_ip,
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"options:local_ip=" + local_ip,
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"options:in_key=flow",
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"options:out_key=flow"])
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# Each element is a tuple of (expected mock call, return_value)
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expected_calls_and_values = [
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(self._vsctl_mock(*command), None),
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(self._vsctl_mock("--columns=ofport", "list", "Interface", pname),
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self._encode_ovs_json(['ofport'], [[ofport]])),
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]
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tools.setup_mock_calls(self.execute, expected_calls_and_values)
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self.assertEqual(
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self.br.add_tunnel_port(pname, remote_ip, local_ip),
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ofport)
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tools.verify_mock_calls(self.execute, expected_calls_and_values)
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def test_add_vxlan_fragmented_tunnel_port(self):
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pname = "tap99"
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local_ip = "1.1.1.1"
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remote_ip = "9.9.9.9"
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ofport = 6
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vxlan_udp_port = "9999"
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dont_fragment = False
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command = ["--may-exist", "add-port", self.BR_NAME, pname]
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command.extend(["--", "set", "Interface", pname])
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command.extend(["type=" + constants.TYPE_VXLAN,
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"options:dst_port=" + vxlan_udp_port,
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"options:df_default=false",
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"options:remote_ip=" + remote_ip,
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"options:local_ip=" + local_ip,
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"options:in_key=flow",
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"options:out_key=flow"])
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# Each element is a tuple of (expected mock call, return_value)
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expected_calls_and_values = [
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(self._vsctl_mock(*command), None),
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(self._vsctl_mock("--columns=ofport", "list", "Interface", pname),
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self._encode_ovs_json(['ofport'], [[ofport]])),
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]
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tools.setup_mock_calls(self.execute, expected_calls_and_values)
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self.assertEqual(
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self.br.add_tunnel_port(pname, remote_ip, local_ip,
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constants.TYPE_VXLAN, vxlan_udp_port,
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dont_fragment),
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ofport)
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tools.verify_mock_calls(self.execute, expected_calls_and_values)
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def test_add_vxlan_csum_tunnel_port(self):
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pname = "tap99"
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local_ip = "1.1.1.1"
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remote_ip = "9.9.9.9"
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ofport = 6
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vxlan_udp_port = "9999"
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dont_fragment = True
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tunnel_csum = True
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command = ["--may-exist", "add-port", self.BR_NAME, pname]
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command.extend(["--", "set", "Interface", pname])
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command.extend(["type=" + constants.TYPE_VXLAN,
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"options:dst_port=" + vxlan_udp_port,
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"options:df_default=true",
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"options:remote_ip=" + remote_ip,
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"options:local_ip=" + local_ip,
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"options:in_key=flow",
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"options:out_key=flow",
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"options:csum=true"])
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# Each element is a tuple of (expected mock call, return_value)
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expected_calls_and_values = [
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(self._vsctl_mock(*command), None),
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(self._vsctl_mock("--columns=ofport", "list", "Interface", pname),
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self._encode_ovs_json(['ofport'], [[ofport]])),
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]
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tools.setup_mock_calls(self.execute, expected_calls_and_values)
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self.assertEqual(
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self.br.add_tunnel_port(pname, remote_ip, local_ip,
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constants.TYPE_VXLAN, vxlan_udp_port,
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dont_fragment, tunnel_csum),
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ofport)
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tools.verify_mock_calls(self.execute, expected_calls_and_values)
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def _test_get_vif_ports(self, is_xen=False):
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pname = "tap99"
|
|
ofport = 6
|
|
vif_id = uuidutils.generate_uuid()
|
|
mac = "ca:fe:de:ad:be:ef"
|
|
id_field = 'xs-vif-uuid' if is_xen else 'iface-id'
|
|
external_ids = {"attached-mac": mac, id_field: vif_id}
|
|
self.br.get_ports_attributes = mock.Mock(return_value=[{
|
|
'name': pname, 'ofport': ofport, 'external_ids': external_ids}])
|
|
self.br.get_xapi_iface_id = mock.Mock(return_value=vif_id)
|
|
|
|
ports = self.br.get_vif_ports()
|
|
self.assertEqual(1, len(ports))
|
|
self.assertEqual(ports[0].port_name, pname)
|
|
self.assertEqual(ports[0].ofport, ofport)
|
|
self.assertEqual(ports[0].vif_id, vif_id)
|
|
self.assertEqual(ports[0].vif_mac, mac)
|
|
self.assertEqual(ports[0].switch.br_name, self.BR_NAME)
|
|
self.br.get_ports_attributes.assert_called_once_with(
|
|
'Interface',
|
|
columns=['name', 'external_ids', 'ofport'],
|
|
if_exists=True)
|
|
|
|
def _encode_ovs_json(self, headings, data):
|
|
# See man ovs-vsctl(8) for the encoding details.
|
|
r = {"data": [],
|
|
"headings": headings}
|
|
for row in data:
|
|
ovs_row = []
|
|
r["data"].append(ovs_row)
|
|
for cell in row:
|
|
if isinstance(cell, (str, int, list)):
|
|
ovs_row.append(cell)
|
|
elif isinstance(cell, dict):
|
|
ovs_row.append(["map", cell.items()])
|
|
elif isinstance(cell, set):
|
|
ovs_row.append(["set", cell])
|
|
else:
|
|
raise TypeError('%r not int, str, list, set or dict' %
|
|
type(cell))
|
|
return jsonutils.dumps(r)
|
|
|
|
def _test_get_vif_port_set(self, is_xen):
|
|
if is_xen:
|
|
id_key = 'xs-vif-uuid'
|
|
else:
|
|
id_key = 'iface-id'
|
|
|
|
headings = ['name', 'external_ids', 'ofport']
|
|
data = [
|
|
# A vif port on this bridge:
|
|
['tap99', {id_key: 'tap99id', 'attached-mac': 'tap99mac'}, 1],
|
|
# A vif port on this bridge not yet configured
|
|
['tap98', {id_key: 'tap98id', 'attached-mac': 'tap98mac'}, []],
|
|
# Another vif port on this bridge not yet configured
|
|
['tap97', {id_key: 'tap97id', 'attached-mac': 'tap97mac'},
|
|
['set', []]],
|
|
|
|
# Non-vif port on this bridge:
|
|
['bogus', {}, 2],
|
|
]
|
|
|
|
# Each element is a tuple of (expected mock call, return_value)
|
|
expected_calls_and_values = [
|
|
(self._vsctl_mock("list-ports", self.BR_NAME), 'tap99\\ntun22'),
|
|
(self._vsctl_mock("--if-exists",
|
|
"--columns=name,external_ids,ofport",
|
|
"list", "Interface", 'tap99', 'tun22'),
|
|
self._encode_ovs_json(headings, data)),
|
|
]
|
|
tools.setup_mock_calls(self.execute, expected_calls_and_values)
|
|
|
|
if is_xen:
|
|
get_xapi_iface_id = mock.patch.object(self.br,
|
|
'get_xapi_iface_id').start()
|
|
get_xapi_iface_id.return_value = 'tap99id'
|
|
|
|
port_set = self.br.get_vif_port_set()
|
|
self.assertEqual(set(['tap99id']), port_set)
|
|
tools.verify_mock_calls(self.execute, expected_calls_and_values)
|
|
if is_xen:
|
|
get_xapi_iface_id.assert_called_once_with('tap99id')
|
|
|
|
def test_get_vif_port_to_ofport_map(self):
|
|
self.execute.return_value = OVSLIST_WITH_UNSET_PORT
|
|
results = self.br.get_vif_port_to_ofport_map()
|
|
expected = {'2ab72a72-4407-4ef3-806a-b2172f3e4dc7': 2, 'patch-tun': 1}
|
|
self.assertEqual(expected, results)
|
|
|
|
def test_get_vif_ports_nonxen(self):
|
|
self._test_get_vif_ports(is_xen=False)
|
|
|
|
def test_get_vif_ports_xen(self):
|
|
self._test_get_vif_ports(is_xen=True)
|
|
|
|
def test_get_vif_port_set_nonxen(self):
|
|
self._test_get_vif_port_set(False)
|
|
|
|
def test_get_vif_port_set_xen(self):
|
|
self._test_get_vif_port_set(True)
|
|
|
|
def test_get_vif_ports_list_ports_error(self):
|
|
expected_calls_and_values = [
|
|
(self._vsctl_mock("list-ports", self.BR_NAME), RuntimeError()),
|
|
]
|
|
tools.setup_mock_calls(self.execute, expected_calls_and_values)
|
|
self.assertRaises(RuntimeError, self.br.get_vif_ports)
|
|
tools.verify_mock_calls(self.execute, expected_calls_and_values)
|
|
|
|
def test_get_vif_port_set_list_ports_error(self):
|
|
expected_calls_and_values = [
|
|
(self._vsctl_mock("list-ports", self.BR_NAME), RuntimeError()),
|
|
]
|
|
tools.setup_mock_calls(self.execute, expected_calls_and_values)
|
|
self.assertRaises(RuntimeError, self.br.get_vif_port_set)
|
|
tools.verify_mock_calls(self.execute, expected_calls_and_values)
|
|
|
|
def test_get_vif_port_set_list_interface_error(self):
|
|
expected_calls_and_values = [
|
|
(self._vsctl_mock("list-ports", self.BR_NAME), 'tap99\n'),
|
|
(self._vsctl_mock("--if-exists",
|
|
"--columns=name,external_ids,ofport",
|
|
"list", "Interface", "tap99"), RuntimeError()),
|
|
]
|
|
tools.setup_mock_calls(self.execute, expected_calls_and_values)
|
|
self.assertRaises(RuntimeError, self.br.get_vif_port_set)
|
|
tools.verify_mock_calls(self.execute, expected_calls_and_values)
|
|
|
|
def test_get_port_tag_dict(self):
|
|
headings = ['name', 'tag']
|
|
data = [
|
|
['int-br-eth2', set()],
|
|
['patch-tun', set()],
|
|
['qr-76d9e6b6-21', 1],
|
|
['tapce5318ff-78', 1],
|
|
['tape1400310-e6', 1],
|
|
]
|
|
|
|
# Each element is a tuple of (expected mock call, return_value)
|
|
expected_calls_and_values = [
|
|
(self._vsctl_mock("list-ports", self.BR_NAME),
|
|
'\\n'.join((iface for iface, tag in data))),
|
|
(self._vsctl_mock("--columns=name,tag", "list", "Port"),
|
|
self._encode_ovs_json(headings, data)),
|
|
]
|
|
tools.setup_mock_calls(self.execute, expected_calls_and_values)
|
|
|
|
port_tags = self.br.get_port_tag_dict()
|
|
self.assertEqual(
|
|
port_tags,
|
|
{u'int-br-eth2': [],
|
|
u'patch-tun': [],
|
|
u'qr-76d9e6b6-21': 1,
|
|
u'tapce5318ff-78': 1,
|
|
u'tape1400310-e6': 1}
|
|
)
|
|
|
|
def test_clear_db_attribute(self):
|
|
pname = "tap77"
|
|
self.br.clear_db_attribute("Port", pname, "tag")
|
|
self._verify_vsctl_mock("clear", "Port", pname, "tag")
|
|
|
|
def _test_iface_to_br(self, exp_timeout=None):
|
|
iface = 'tap0'
|
|
br = 'br-int'
|
|
if exp_timeout:
|
|
self.br.vsctl_timeout = exp_timeout
|
|
self.execute.return_value = 'br-int'
|
|
self.assertEqual(self.br.get_bridge_for_iface(iface), br)
|
|
self._verify_vsctl_mock("iface-to-br", iface)
|
|
|
|
def test_iface_to_br(self):
|
|
self._test_iface_to_br()
|
|
|
|
def test_iface_to_br_non_default_timeout(self):
|
|
new_timeout = 5
|
|
self._test_iface_to_br(new_timeout)
|
|
|
|
def test_iface_to_br_handles_ovs_vsctl_exception(self):
|
|
iface = 'tap0'
|
|
self.execute.side_effect = Exception
|
|
|
|
self.assertIsNone(self.br.get_bridge_for_iface(iface))
|
|
self._verify_vsctl_mock("iface-to-br", iface)
|
|
|
|
def test_delete_all_ports(self):
|
|
with mock.patch.object(self.br, 'get_port_name_list',
|
|
return_value=['port1']) as get_port:
|
|
with mock.patch.object(self.br, 'delete_port') as delete_port:
|
|
self.br.delete_ports(all_ports=True)
|
|
get_port.assert_called_once_with()
|
|
delete_port.assert_called_once_with('port1')
|
|
|
|
def test_delete_neutron_ports(self):
|
|
port1 = ovs_lib.VifPort('tap1234', 1, uuidutils.generate_uuid(),
|
|
'ca:fe:de:ad:be:ef', 'br')
|
|
port2 = ovs_lib.VifPort('tap5678', 2, uuidutils.generate_uuid(),
|
|
'ca:ee:de:ad:be:ef', 'br')
|
|
with mock.patch.object(self.br, 'get_vif_ports',
|
|
return_value=[port1, port2]) as get_ports:
|
|
with mock.patch.object(self.br, 'delete_port') as delete_port:
|
|
self.br.delete_ports(all_ports=False)
|
|
get_ports.assert_called_once_with()
|
|
delete_port.assert_has_calls([
|
|
mock.call('tap1234'),
|
|
mock.call('tap5678')
|
|
])
|
|
|
|
def test_delete_neutron_ports_list_error(self):
|
|
expected_calls_and_values = [
|
|
(self._vsctl_mock("list-ports", self.BR_NAME), RuntimeError()),
|
|
]
|
|
tools.setup_mock_calls(self.execute, expected_calls_and_values)
|
|
self.assertRaises(RuntimeError, self.br.delete_ports, all_ports=False)
|
|
tools.verify_mock_calls(self.execute, expected_calls_and_values)
|
|
|
|
def test_get_bridges_not_default_timeout(self):
|
|
bridges = ['br-int', 'br-ex']
|
|
self.br.vsctl_timeout = 5
|
|
self.execute.return_value = 'br-int\\nbr-ex\n'
|
|
self.assertEqual(self.br.get_bridges(), bridges)
|
|
self._verify_vsctl_mock("list-br")
|
|
|
|
def test_get_local_port_mac_succeeds(self):
|
|
with mock.patch('neutron.agent.linux.ip_lib.IpLinkCommand',
|
|
return_value=mock.Mock(address='foo')):
|
|
self.assertEqual('foo', self.br.get_local_port_mac())
|
|
|
|
def test_get_local_port_mac_raises_exception_for_missing_mac(self):
|
|
with mock.patch('neutron.agent.linux.ip_lib.IpLinkCommand',
|
|
return_value=mock.Mock(address=None)):
|
|
with testtools.ExpectedException(Exception):
|
|
self.br.get_local_port_mac()
|
|
|
|
def test_get_vifs_by_ids(self):
|
|
db_list_res = [
|
|
{'name': 'qvo1', 'ofport': 1,
|
|
'external_ids': {'iface-id': 'pid1', 'attached-mac': '11'}},
|
|
{'name': 'qvo2', 'ofport': 2,
|
|
'external_ids': {'iface-id': 'pid2', 'attached-mac': '22'}},
|
|
{'name': 'qvo4', 'ofport': -1,
|
|
'external_ids': {'iface-id': 'pid4', 'attached-mac': '44'}},
|
|
]
|
|
self.br.get_ports_attributes = mock.Mock(return_value=db_list_res)
|
|
self.br.ovsdb = mock.Mock()
|
|
self.br.ovsdb.list_ports.return_value.execute.return_value = [
|
|
'qvo1', 'qvo2', 'qvo4']
|
|
by_id = self.br.get_vifs_by_ids(['pid1', 'pid2', 'pid3', 'pid4'])
|
|
# pid3 isn't on bridge and pid4 doesn't have a valid ofport
|
|
self.assertIsNone(by_id['pid3'])
|
|
self.assertIsNone(by_id['pid4'])
|
|
self.assertEqual('pid1', by_id['pid1'].vif_id)
|
|
self.assertEqual('qvo1', by_id['pid1'].port_name)
|
|
self.assertEqual(1, by_id['pid1'].ofport)
|
|
self.assertEqual('pid2', by_id['pid2'].vif_id)
|
|
self.assertEqual('qvo2', by_id['pid2'].port_name)
|
|
self.assertEqual(2, by_id['pid2'].ofport)
|
|
self.br.get_ports_attributes.assert_has_calls(
|
|
[mock.call('Interface', columns=['name', 'external_ids', 'ofport'],
|
|
if_exists=True)])
|
|
|
|
def _test_get_vif_port_by_id(self, iface_id, data, br_name=None,
|
|
extra_calls_and_values=None):
|
|
headings = ['external_ids', 'name', 'ofport']
|
|
|
|
# Each element is a tuple of (expected mock call, return_value)
|
|
expected_calls_and_values = [
|
|
(self._vsctl_mock("--columns=external_ids,name,ofport", "find",
|
|
"Interface",
|
|
'external_ids:iface-id=%s' % iface_id,
|
|
'external_ids:attached-mac!=""'),
|
|
self._encode_ovs_json(headings, data))]
|
|
if data:
|
|
if not br_name:
|
|
br_name = self.BR_NAME
|
|
|
|
# Only the last information list in 'data' is used, so if more
|
|
# than one vif is described in data, the rest must be declared
|
|
# in the argument 'expected_calls_and_values'.
|
|
if extra_calls_and_values:
|
|
expected_calls_and_values.extend(extra_calls_and_values)
|
|
|
|
expected_calls_and_values.append(
|
|
(self._vsctl_mock("iface-to-br",
|
|
data[-1][headings.index('name')]), br_name))
|
|
tools.setup_mock_calls(self.execute, expected_calls_and_values)
|
|
vif_port = self.br.get_vif_port_by_id(iface_id)
|
|
|
|
tools.verify_mock_calls(self.execute, expected_calls_and_values)
|
|
return vif_port
|
|
|
|
def _assert_vif_port(self, vif_port, ofport=None, mac=None):
|
|
if not ofport or ofport == -1 or not mac:
|
|
self.assertIsNone(vif_port, "Got %s" % vif_port)
|
|
return
|
|
self.assertEqual('tap99id', vif_port.vif_id)
|
|
self.assertEqual(mac, vif_port.vif_mac)
|
|
self.assertEqual('tap99', vif_port.port_name)
|
|
self.assertEqual(ofport, vif_port.ofport)
|
|
|
|
def _test_get_vif_port_by_id_with_data(self, ofport=None, mac=None):
|
|
external_ids = [["iface-id", "tap99id"],
|
|
["iface-status", "active"],
|
|
["attached-mac", mac]]
|
|
data = [[["map", external_ids], "tap99",
|
|
ofport if ofport else ["set", []]]]
|
|
vif_port = self._test_get_vif_port_by_id('tap99id', data)
|
|
self._assert_vif_port(vif_port, ofport, mac)
|
|
|
|
def test_get_vif_by_port_id_with_ofport(self):
|
|
self._test_get_vif_port_by_id_with_data(
|
|
ofport=1, mac="aa:bb:cc:dd:ee:ff")
|
|
|
|
def test_get_vif_by_port_id_without_ofport(self):
|
|
self._test_get_vif_port_by_id_with_data(mac="aa:bb:cc:dd:ee:ff")
|
|
|
|
def test_get_vif_by_port_id_with_invalid_ofport(self):
|
|
self._test_get_vif_port_by_id_with_data(
|
|
ofport=-1, mac="aa:bb:cc:dd:ee:ff")
|
|
|
|
def test_get_vif_by_port_id_with_no_data(self):
|
|
self.assertIsNone(self._test_get_vif_port_by_id('whatever', []))
|
|
|
|
def test_get_vif_by_port_id_different_bridge(self):
|
|
external_ids = [["iface-id", "tap99id"],
|
|
["iface-status", "active"]]
|
|
data = [[["map", external_ids], "tap99", 1]]
|
|
self.assertIsNone(self._test_get_vif_port_by_id('tap99id', data,
|
|
"br-ext"))
|
|
|
|
def test_get_vif_by_port_id_multiple_vifs(self):
|
|
external_ids = [["iface-id", "tap99id"],
|
|
["iface-status", "active"],
|
|
["attached-mac", "de:ad:be:ef:13:37"]]
|
|
data = [[["map", external_ids], "dummytap", 1],
|
|
[["map", external_ids], "tap99", 1337]]
|
|
extra_calls_and_values = [
|
|
(self._vsctl_mock("iface-to-br", "dummytap"), "br-ext")]
|
|
|
|
vif_port = self._test_get_vif_port_by_id(
|
|
'tap99id', data, extra_calls_and_values=extra_calls_and_values)
|
|
self._assert_vif_port(vif_port, ofport=1337, mac="de:ad:be:ef:13:37")
|
|
|
|
|
|
class TestDeferredOVSBridge(base.BaseTestCase):
|
|
|
|
def setUp(self):
|
|
super(TestDeferredOVSBridge, self).setUp()
|
|
|
|
self.br = mock.Mock()
|
|
self.mocked_do_action_flows = mock.patch.object(
|
|
self.br, 'do_action_flows').start()
|
|
|
|
self.add_flow_dict1 = dict(in_port=11, actions='drop')
|
|
self.add_flow_dict2 = dict(in_port=12, actions='drop')
|
|
self.mod_flow_dict1 = dict(in_port=21, actions='drop')
|
|
self.mod_flow_dict2 = dict(in_port=22, actions='drop')
|
|
self.del_flow_dict1 = dict(in_port=31)
|
|
self.del_flow_dict2 = dict(in_port=32)
|
|
|
|
def test_right_allowed_passthroughs(self):
|
|
expected_passthroughs = ('add_port', 'add_tunnel_port', 'delete_port')
|
|
self.assertEqual(expected_passthroughs,
|
|
ovs_lib.DeferredOVSBridge.ALLOWED_PASSTHROUGHS)
|
|
|
|
def _verify_mock_call(self, expected_calls):
|
|
self.mocked_do_action_flows.assert_has_calls(expected_calls)
|
|
self.assertEqual(len(expected_calls),
|
|
len(self.mocked_do_action_flows.mock_calls))
|
|
|
|
def test_apply_on_exit(self):
|
|
expected_calls = [
|
|
mock.call('add', [self.add_flow_dict1]),
|
|
mock.call('mod', [self.mod_flow_dict1]),
|
|
mock.call('del', [self.del_flow_dict1]),
|
|
]
|
|
|
|
with ovs_lib.DeferredOVSBridge(self.br) as deferred_br:
|
|
deferred_br.add_flow(**self.add_flow_dict1)
|
|
deferred_br.mod_flow(**self.mod_flow_dict1)
|
|
deferred_br.delete_flows(**self.del_flow_dict1)
|
|
self._verify_mock_call([])
|
|
self._verify_mock_call(expected_calls)
|
|
|
|
def test_apply_on_exit_with_errors(self):
|
|
try:
|
|
with ovs_lib.DeferredOVSBridge(self.br) as deferred_br:
|
|
deferred_br.add_flow(**self.add_flow_dict1)
|
|
deferred_br.mod_flow(**self.mod_flow_dict1)
|
|
deferred_br.delete_flows(**self.del_flow_dict1)
|
|
raise Exception()
|
|
except Exception:
|
|
self._verify_mock_call([])
|
|
else:
|
|
self.fail('Exception would be reraised')
|
|
|
|
def test_apply(self):
|
|
expected_calls = [
|
|
mock.call('add', [self.add_flow_dict1]),
|
|
mock.call('mod', [self.mod_flow_dict1]),
|
|
mock.call('del', [self.del_flow_dict1]),
|
|
]
|
|
|
|
with ovs_lib.DeferredOVSBridge(self.br) as deferred_br:
|
|
deferred_br.add_flow(**self.add_flow_dict1)
|
|
deferred_br.mod_flow(**self.mod_flow_dict1)
|
|
deferred_br.delete_flows(**self.del_flow_dict1)
|
|
self._verify_mock_call([])
|
|
deferred_br.apply_flows()
|
|
self._verify_mock_call(expected_calls)
|
|
self._verify_mock_call(expected_calls)
|
|
|
|
def test_apply_order(self):
|
|
expected_calls = [
|
|
mock.call('del', [self.del_flow_dict1, self.del_flow_dict2]),
|
|
mock.call('mod', [self.mod_flow_dict1, self.mod_flow_dict2]),
|
|
mock.call('add', [self.add_flow_dict1, self.add_flow_dict2]),
|
|
]
|
|
|
|
order = 'del', 'mod', 'add'
|
|
with ovs_lib.DeferredOVSBridge(self.br, order=order) as deferred_br:
|
|
deferred_br.add_flow(**self.add_flow_dict1)
|
|
deferred_br.mod_flow(**self.mod_flow_dict1)
|
|
deferred_br.delete_flows(**self.del_flow_dict1)
|
|
deferred_br.delete_flows(**self.del_flow_dict2)
|
|
deferred_br.add_flow(**self.add_flow_dict2)
|
|
deferred_br.mod_flow(**self.mod_flow_dict2)
|
|
self._verify_mock_call(expected_calls)
|
|
|
|
def test_apply_full_ordered(self):
|
|
expected_calls = [
|
|
mock.call('add', [self.add_flow_dict1]),
|
|
mock.call('mod', [self.mod_flow_dict1]),
|
|
mock.call('del', [self.del_flow_dict1, self.del_flow_dict2]),
|
|
mock.call('add', [self.add_flow_dict2]),
|
|
mock.call('mod', [self.mod_flow_dict2]),
|
|
]
|
|
|
|
with ovs_lib.DeferredOVSBridge(self.br,
|
|
full_ordered=True) as deferred_br:
|
|
deferred_br.add_flow(**self.add_flow_dict1)
|
|
deferred_br.mod_flow(**self.mod_flow_dict1)
|
|
deferred_br.delete_flows(**self.del_flow_dict1)
|
|
deferred_br.delete_flows(**self.del_flow_dict2)
|
|
deferred_br.add_flow(**self.add_flow_dict2)
|
|
deferred_br.mod_flow(**self.mod_flow_dict2)
|
|
self._verify_mock_call(expected_calls)
|
|
|
|
def test_getattr_unallowed_attr(self):
|
|
with ovs_lib.DeferredOVSBridge(self.br) as deferred_br:
|
|
self.assertEqual(self.br.add_port, deferred_br.add_port)
|
|
|
|
def test_getattr_unallowed_attr_failure(self):
|
|
with ovs_lib.DeferredOVSBridge(self.br) as deferred_br:
|
|
self.assertRaises(AttributeError, getattr, deferred_br, 'failure')
|
|
|
|
def test_cookie_passed_to_addmod(self):
|
|
self.br = ovs_lib.OVSBridge("br-tun")
|
|
self.br.set_agent_uuid_stamp(1234)
|
|
expected_calls = [
|
|
mock.call('add-flows', ['-'],
|
|
'hard_timeout=0,idle_timeout=0,priority=1,'
|
|
'cookie=1234,actions=drop'),
|
|
mock.call('mod-flows', ['-'],
|
|
'cookie=1234,actions=drop')
|
|
]
|
|
with mock.patch.object(self.br, 'run_ofctl') as f:
|
|
with ovs_lib.DeferredOVSBridge(self.br) as deferred_br:
|
|
deferred_br.add_flow(actions='drop')
|
|
deferred_br.mod_flow(actions='drop')
|
|
f.assert_has_calls(expected_calls)
|