def setUp(self):
cfg.CONF.set_override('enable_distributed_routing',
True,
group='AGENT')
super(OVSFlowTestCase, self).setUp()
self.phys_br = self.useFixture(net_helpers.OVSBridgeFixture()).bridge
self.br_phys = self.br_phys_cls(self.phys_br.br_name)
self.br_phys.set_secure_mode()
self.br_phys.setup_controllers(cfg.CONF)
self.router_addr = '192.168.0.1/24'
self.namespace = self.useFixture(
net_helpers.NamespaceFixture()).name
self.phys_p = self.useFixture(
net_helpers.OVSPortFixture(self.br_phys, self.namespace)).port
self.tun_br = self.useFixture(net_helpers.OVSBridgeFixture()).bridge
self.br_tun = self.br_tun_cls(self.tun_br.br_name)
self.br_tun.set_secure_mode()
self.br_tun.setup_controllers(cfg.CONF)
self.tun_p = self.br_tun.add_patch_port(
common_utils.get_rand_device_name(
prefix=cfg.CONF.OVS.tun_peer_patch_port),
common_utils.get_rand_device_name(
prefix=cfg.CONF.OVS.int_peer_patch_port))
self.br_tun.setup_default_table(self.tun_p, True)
def setUp(self):
super(InNamespaceTest, self).setUp()
self.namespace = self.useFixture(net_helpers.NamespaceFixture()).name
ip = ip_lib.IPWrapper()
root_dev_name = neutron_utils.get_rand_device_name()
netns_dev_name = neutron_utils.get_rand_device_name()
self.root_dev, self.netns_dev = ip.add_veth(
root_dev_name, netns_dev_name, namespace2=self.namespace)
self.addCleanup(self.root_dev.link.delete)
def test_install_flood_to_tun(self):
attrs = {
'remote_ip': '192.0.2.1', # RFC 5737 TEST-NET-1
'local_ip': '198.51.100.1', # RFC 5737 TEST-NET-2
}
kwargs = {'vlan': 777, 'tun_id': 888}
port_name = common_utils.get_rand_device_name(net_helpers.PORT_PREFIX)
ofport = self.br_tun.add_tunnel_port(port_name, attrs['remote_ip'],
attrs['local_ip'])
self.br_tun.install_flood_to_tun(ports=[ofport], **kwargs)
test_packet = ("icmp,in_port=%d," % self.tun_p +
"dl_src=12:34:56:ab:cd:ef,dl_dst=12:34:56:78:cc:dd,"
"nw_src=192.168.0.1,nw_dst=192.168.0.2,nw_ecn=0,"
"nw_tos=0,nw_ttl=128,icmp_type=8,icmp_code=0,"
"dl_vlan=%(vlan)d,dl_vlan_pcp=0" % kwargs)
trace = self._run_trace(self.tun_br.br_name, test_packet)
self.assertTrue(("tun_id=0x%(tun_id)x" % kwargs) in
trace["Final flow"])
self.assertTrue("vlan_tci=0x0000," in trace["Final flow"])
self.br_tun.delete_flood_to_tun(kwargs['vlan'])
trace = self._run_trace(self.tun_br.br_name, test_packet)
self.assertEqual(" unchanged", trace["Final flow"])
self.assertTrue("drop" in trace["Datapath actions"])
def test_add_patch_port(self):
local = utils.get_rand_device_name(net_helpers.PORT_PREFIX)
peer = 'remotepeer'
self.br.add_patch_port(local, peer)
self.assertEqual(self.ovs.db_get_val('Interface', local, 'type'),
'patch')
options = self.ovs.db_get_val('Interface', local, 'options')
self.assertEqual(peer, options['peer'])
def _test_add_tunnel_port(self, attrs):
port_name = utils.get_rand_device_name(net_helpers.PORT_PREFIX)
self.br.add_tunnel_port(port_name, attrs['remote_ip'],
attrs['local_ip'])
self.assertEqual('gre',
self.ovs.db_get_val('Interface', port_name, 'type'))
options = self.ovs.db_get_val('Interface', port_name, 'options')
for attr, val in attrs.items():
self.assertEqual(val, options[attr])
def test_add_tunnel_port_custom_port(self):
port_name = utils.get_rand_device_name(net_helpers.PORT_PREFIX)
self.br.add_tunnel_port(
port_name,
self.get_test_net_address(1),
self.get_test_net_address(2),
tunnel_type=const.TYPE_VXLAN,
vxlan_udp_port=12345)
options = self.ovs.db_get_val('Interface', port_name, 'options')
self.assertEqual("12345", options['dst_port'])
def ovs_conntrack_supported():
br_name = common_utils.get_rand_device_name(prefix="ovs-test-")
with ovs_lib.OVSBridge(br_name) as br:
try:
br.add_protocols(*["OpenFlow%d" % i for i in range(10, 15)])
except RuntimeError as e:
LOG.debug("Exception while checking ovs conntrack support: %s", e)
return False
return ofctl_arg_supported(cmd='add-flow', ct_state='+trk', actions='drop')
def create_patch_ports(source, destination):
"""Hook up two OVS bridges.
The result is two patch ports, each end connected to a bridge.
The two patch port names will start with 'patch-', followed by identical
four characters. For example patch-xyzw-fedora, and patch-xyzw-ubuntu,
where fedora and ubuntu are random strings.
:param source: Instance of OVSBridge
:param destination: Instance of OVSBridge
"""
common = common_utils.get_rand_name(max_length=4, prefix='')
prefix = '%s-%s-' % (PATCH_PREFIX, common)
source_name = common_utils.get_rand_device_name(prefix=prefix)
destination_name = common_utils.get_rand_device_name(prefix=prefix)
source.add_patch_port(source_name, destination_name)
destination.add_patch_port(destination_name, source_name)
def setUp(self):
super(ImplIdlTestCase, self).setUp()
self.config(group='OVS', ovsdb_interface='native')
self.ovs = ovs_lib.BaseOVS()
self.brname = utils.get_rand_device_name(net_helpers.BR_PREFIX)
# Make sure exceptions pass through by calling do_post_commit directly
mock.patch.object(
impl_idl.NeutronOVSDBTransaction, "post_commit",
side_effect=impl_idl.NeutronOVSDBTransaction.do_post_commit,
autospec=True).start()
def test_replace_port(self):
port_name = utils.get_rand_device_name(net_helpers.PORT_PREFIX)
self.br.replace_port(port_name, ('type', 'internal'))
self.assertTrue(self.br.port_exists(port_name))
self.assertEqual('internal',
self.br.db_get_val('Interface', port_name, 'type'))
self.br.replace_port(port_name, ('type', 'internal'),
('external_ids', {'test': 'test'}))
self.assertTrue(self.br.port_exists(port_name))
self.assertEqual('test', self.br.db_get_val('Interface', port_name,
'external_ids')['test'])
def __init__(self, env_desc, host_desc, temp_dir, local_ip):
super(SRIOVConfigFixture, self).__init__(
env_desc, host_desc, temp_dir,
base_filename='sriov_agent.ini')
device1 = utils.get_rand_device_name(prefix='ens5')
device2 = utils.get_rand_device_name(prefix='ens6')
phys_dev_mapping = '%s:%s,%s:%s' % (PHYSICAL_NETWORK_NAME, device1,
PHYSICAL_NETWORK_NAME, device2)
rp_bandwidths = '%s:%s:%s,%s:%s:%s' % (device1,
MINIMUM_BANDWIDTH_EGRESS_KBPS,
MINIMUM_BANDWIDTH_INGRESS_KBPS,
device2,
MINIMUM_BANDWIDTH_EGRESS_KBPS,
MINIMUM_BANDWIDTH_INGRESS_KBPS)
self.config.update({
'sriov_nic': {
'physical_device_mappings': phys_dev_mapping,
'resource_provider_bandwidths': rp_bandwidths,
}
})
def test_add_tunnel_port_tos(self):
attrs = {
'remote_ip': self.get_test_net_address(1),
'local_ip': self.get_test_net_address(2),
'tos': 'inherit',
}
port_name = utils.get_rand_device_name(net_helpers.PORT_PREFIX)
self.br.add_tunnel_port(port_name, attrs['remote_ip'],
attrs['local_ip'], tos=attrs['tos'])
self.assertEqual('gre',
self.ovs.db_get_val('Interface', port_name, 'type'))
options = self.ovs.db_get_val('Interface', port_name, 'options')
for attr, val in attrs.items():
self.assertEqual(val, options[attr])
def _add_new_bridge_and_restart_agent(self, host):
l2_agent = host.l2_agent
l2_agent_config = l2_agent.agent_cfg_fixture.config
if 'ovs' in host.agents:
new_dev = utils.get_rand_device_name(prefix='br-new')
self._change_agent_conf_and_restart_agent(
l2_agent_config['ovs'], l2_agent, self.BR_MAPPINGS, new_dev)
physnets = self._get_physnet_names_from_mapping(
l2_agent_config['ovs'][self.BR_MAPPINGS])
br_phys_new = host.useFixture(
net_helpers.OVSBridgeFixture(new_dev)).bridge
host.connect_to_central_network_via_vlans(br_phys_new)
elif 'sriov' in host.agents:
new_dev = utils.get_rand_device_name(prefix='ens7')
self._change_agent_conf_and_restart_agent(
l2_agent_config['sriov_nic'], l2_agent,
'physical_device_mappings', new_dev)
physnets = self._get_physnet_names_from_mapping(
l2_agent_config['sriov_nic']['physical_device_mappings'])
l2_agent.restart()
return physnets
def __init__(self, env_desc, host_desc, temp_dir, local_ip, **kwargs):
super(OVSConfigFixture, self).__init__(
env_desc, host_desc, temp_dir,
base_filename='openvswitch_agent.ini')
self.tunneling_enabled = self.env_desc.tunneling_enabled
ext_dev = utils.get_rand_device_name(prefix='br-eth')
self.config.update({
'ovs': {
'local_ip': local_ip,
'integration_bridge': self._generate_integration_bridge(),
'of_interface': host_desc.of_interface,
'bridge_mappings': '%s:%s' % (PHYSICAL_NETWORK_NAME, ext_dev)
},
'securitygroup': {
'firewall_driver': host_desc.firewall_driver,
},
'agent': {
'l2_population': str(self.env_desc.l2_pop),
'arp_responder': str(self.env_desc.arp_responder),
'debug_iptables_rules': str(env_desc.debug_iptables)
}
})
if self.tunneling_enabled:
self.config['agent'].update({
'tunnel_types': self.env_desc.network_type})
self.config['ovs'].update({
'tunnel_bridge': self._generate_tunnel_bridge(),
'int_peer_patch_port': self._generate_int_peer(),
'tun_peer_patch_port': self._generate_tun_peer()})
else:
if env_desc.report_bandwidths:
self.config['ovs'][constants.RP_BANDWIDTHS] = \
'%s:%s:%s' % (ext_dev, MINIMUM_BANDWIDTH_EGRESS_KBPS,
MINIMUM_BANDWIDTH_INGRESS_KBPS)
if env_desc.qos:
self.config['agent']['extensions'] = 'qos'
if env_desc.log:
self.config['agent']['extensions'] = 'log'
test_name = kwargs.get("test_name")
test_name = base.sanitize_log_path(test_name)
self.config.update({
'network_log': {
'local_output_log_base':
self._generate_temp_log_file(test_name)}
})
def ofctl_arg_supported(cmd, **kwargs):
"""Verify if ovs-ofctl binary supports cmd with **kwargs.
:param cmd: ovs-ofctl command to use for test.
:param **kwargs: arguments to test with the command.
:returns: a boolean if the supplied arguments are supported.
"""
br_name = common_utils.get_rand_device_name(prefix="br-test-")
with ovs_lib.OVSBridge(br_name) as test_br:
full_args = ["ovs-ofctl", cmd, test_br.br_name, ovs_lib._build_flow_expr_str(kwargs, cmd.split("-")[0])]
try:
agent_utils.execute(full_args, run_as_root=True)
except RuntimeError as e:
LOG.debug("Exception while checking supported feature via " "command %s. Exception: %s", full_args, e)
return False
except Exception:
LOG.exception(_LE("Unexpected exception while checking supported" " feature via command: %s"), full_args)
return False
else:
return True
def _generate_bridge_mappings(self):
return '%s:%s' % (PHYSICAL_NETWORK_NAME,
utils.get_rand_device_name(prefix='br-eth'))
def _generate_bridge_mappings(self):
return '%s:%s' % (PHYSICAL_NETWORK_NAME,
utils.get_rand_device_name(prefix='br-eth'))
def _generate_tun_peer(self):
return utils.get_rand_device_name(prefix='patch-int')
def _generate_tun_peer(self):
return utils.get_rand_device_name(prefix='patch-int')
def _generate_integration_bridge(self):
return utils.get_rand_device_name(prefix='br-int')
def ovs_geneve_supported(from_ip='192.0.2.3', to_ip='192.0.2.4'):
name = common_utils.get_rand_device_name(prefix='genevetest-')
with ovs_lib.OVSBridge(name) as br:
port = br.add_tunnel_port(from_ip, to_ip, const.TYPE_GENEVE)
return port != ovs_lib.INVALID_OFPORT
def ovs_geneve_supported(from_ip='192.0.2.3', to_ip='192.0.2.4'):
name = common_utils.get_rand_device_name(prefix='genevetest-')
with ovs_lib.OVSBridge(name) as br:
port = br.add_tunnel_port(from_ip, to_ip, n_consts.TYPE_GENEVE)
return port != ovs_lib.INVALID_OFPORT
def create_ovs_port(self, *interface_attrs):
# Convert ((a, b), (c, d)) to {a: b, c: d} and add 'type' by default
attrs = collections.OrderedDict(interface_attrs)
attrs.setdefault('type', 'internal')
port_name = utils.get_rand_device_name(net_helpers.PORT_PREFIX)
return (port_name, self.br.add_port(port_name, *attrs.items()))
def get_veth_name(name):
if name.startswith(VETH0_PREFIX):
return common_utils.get_rand_device_name(VETH0_PREFIX)
if name.startswith(VETH1_PREFIX):
return common_utils.get_rand_device_name(VETH1_PREFIX)
return name
def _generate_integration_bridge(self):
return utils.get_rand_device_name(prefix='br-int')
def _generate_tunnel_bridge(self):
return utils.get_rand_device_name(prefix='br-tun')
def _generate_bridge_mappings(self):
return 'physnet1:%s' % utils.get_rand_device_name(prefix='br-eth')
def iproute2_vxlan_supported():
ip = ip_lib.IPWrapper()
name = common_utils.get_rand_device_name(prefix='vxlantest-')
port = ip.add_vxlan(name, 3000)
ip.del_veth(name)
return name == port.name
def _generate_tunnel_bridge(self):
return utils.get_rand_device_name(prefix='br-tun')
def get_veth_name(name):
if name.startswith(VETH0_PREFIX):
return common_utils.get_rand_device_name(VETH0_PREFIX)
if name.startswith(VETH1_PREFIX):
return common_utils.get_rand_device_name(VETH1_PREFIX)
return name
def _generate_external_bridge(self):
return utils.get_rand_device_name(prefix='br-ex')
def _generate_external_bridge(self):
return utils.get_rand_device_name(prefix='br-ex')
def ovs_vxlan_supported(from_ip='192.0.2.1', to_ip='192.0.2.2'):
name = common_utils.get_rand_device_name(prefix='vxlantest-')
with ovs_lib.OVSBridge(name) as br:
port = br.add_tunnel_port(from_ip, to_ip, n_consts.TYPE_VXLAN)
return port != ovs_lib.INVALID_OFPORT
def create_ovs_port(self, *interface_attrs):
# Convert ((a, b), (c, d)) to {a: b, c: d} and add 'type' by default
attrs = collections.OrderedDict(interface_attrs)
attrs.setdefault('type', 'internal')
port_name = utils.get_rand_device_name(net_helpers.PORT_PREFIX)
return (port_name, self.br.add_port(port_name, *attrs.items()))
def iproute2_vxlan_supported():
ip = ip_lib.IPWrapper()
name = common_utils.get_rand_device_name(prefix='vxlantest-')
port = ip.add_vxlan(name, 3000)
ip.del_veth(name)
return name == port.name
def ovs_vxlan_supported(from_ip='192.0.2.1', to_ip='192.0.2.2'):
name = common_utils.get_rand_device_name(prefix='vxlantest-')
with ovs_lib.OVSBridge(name) as br:
port = br.add_tunnel_port(from_ip, to_ip, const.TYPE_VXLAN)
return port != ovs_lib.INVALID_OFPORT