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 = base.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 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 = tests_base.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_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 = tests_base.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 = tests_base.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_patch_port(self):
local = tests_base.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 = tests_base.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(self, attrs):
port_name = tests_base.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 ovs_conntrack_supported():
br_name = base.get_rand_device_name(prefix="ovs-test-")
with ovs_lib.OVSBridge(br_name) as br:
try:
br.set_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 = tests_base.get_rand_name(max_length=4, prefix='')
prefix = '%s-%s-' % (PATCH_PREFIX, common)
source_name = tests_base.get_rand_device_name(prefix=prefix)
destination_name = tests_base.get_rand_device_name(prefix=prefix)
source.add_patch_port(source_name, destination_name)
destination.add_patch_port(destination_name, source_name)
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 = tests_base.get_rand_name(max_length=4, prefix='')
prefix = '%s-%s-' % (PATCH_PREFIX, common)
source_name = tests_base.get_rand_device_name(prefix=prefix)
destination_name = tests_base.get_rand_device_name(prefix=prefix)
source.add_patch_port(source_name, destination_name)
destination.add_patch_port(destination_name, source_name)
def ovs_conntrack_supported():
br_name = base.get_rand_device_name(prefix="ovs-test-")
with ovs_lib.OVSBridge(br_name) as br:
try:
br.set_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 setUp(self):
super(ImplIdlTestCase, self).setUp()
self.config(group='OVS', ovsdb_interface='native')
self.ovs = ovs_lib.BaseOVS()
self.brname = test_base.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 = tests_base.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 test_replace_port(self):
port_name = tests_base.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 test_add_tunnel_port(self):
attrs = {
'remote_ip': '192.0.2.1', # RFC 5737 TEST-NET-1
'local_ip': '198.51.100.1', # RFC 5737 TEST-NET-2
}
port_name = tests_base.get_rand_device_name(net_helpers.PORT_PREFIX)
self.br.add_tunnel_port(port_name, attrs['remote_ip'],
attrs['local_ip'])
self.assertEqual(self.ovs.db_get_val('Interface', port_name, 'type'),
'gre')
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(self):
attrs = {
'remote_ip': '192.0.2.1', # RFC 5737 TEST-NET-1
'local_ip': '198.51.100.1', # RFC 5737 TEST-NET-2
}
port_name = tests_base.get_rand_device_name(net_helpers.PORT_PREFIX)
self.br.add_tunnel_port(port_name, attrs['remote_ip'],
attrs['local_ip'])
self.assertEqual(self.ovs.db_get_val('Interface', port_name, 'type'),
'gre')
options = self.ovs.db_get_val('Interface', port_name, 'options')
for attr, val in attrs.items():
self.assertEqual(val, options[attr])
def _setUp(self):
super(OVSPortFixture, self)._setUp()
interface_config = cfg.ConfigOpts()
interface_config.register_opts(interface.OPTS)
ovs_interface = interface.OVSInterfaceDriver(interface_config)
port_name = tests_base.get_rand_device_name(PORT_PREFIX)
ovs_interface.plug_new(None,
self.port_id,
port_name,
self.mac,
bridge=self.bridge.br_name,
namespace=self.namespace)
self.addCleanup(self.bridge.delete_port, port_name)
self.port = ip_lib.IPDevice(port_name, self.namespace)
def _setUp(self):
super(OVSPortFixture, self)._setUp()
interface_config = cfg.ConfigOpts()
interface_config.register_opts(interface.OPTS)
ovs_interface = interface.OVSInterfaceDriver(interface_config)
port_name = tests_base.get_rand_device_name(PORT_PREFIX)
ovs_interface.plug_new(
None,
self.port_id,
port_name,
self.mac,
bridge=self.bridge.br_name,
namespace=self.namespace)
self.addCleanup(self.bridge.delete_port, port_name)
self.port = ip_lib.IPDevice(port_name, self.namespace)
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 = base.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 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 = tests_base.get_rand_device_name(net_helpers.PORT_PREFIX)
return (port_name, self.br.add_port(port_name, *attrs.items()))
def ovs_geneve_supported(from_ip='192.0.2.3', to_ip='192.0.2.4'):
name = base.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_vxlan_supported(from_ip='192.0.2.1', to_ip='192.0.2.2'):
name = base.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
def iproute2_vxlan_supported():
ip = ip_lib.IPWrapper()
name = base.get_rand_device_name(prefix='vxlantest-')
port = ip.add_vxlan(name, 3000)
ip.del_veth(name)
return name == port.name
def _generate_integration_bridge(self):
return base.get_rand_device_name(prefix='br-int')
def _generate_bridge_mappings(self):
return 'physnet1:%s' % base.get_rand_device_name(prefix='br-eth')
def get_veth_name(name):
if name.startswith(VETH0_PREFIX):
return tests_base.get_rand_device_name(VETH0_PREFIX)
if name.startswith(VETH1_PREFIX):
return tests_base.get_rand_device_name(VETH1_PREFIX)
return name
def _generate_integration_bridge(self):
return base.get_rand_device_name(prefix='br-int')
def _generate_tun_peer(self):
return base.get_rand_device_name(prefix='patch-int')
def _generate_tunnel_bridge(self):
return base.get_rand_device_name(prefix='br-tun')
def get_veth_name(name):
if name.startswith(VETH0_PREFIX):
return tests_base.get_rand_device_name(VETH0_PREFIX)
if name.startswith(VETH1_PREFIX):
return tests_base.get_rand_device_name(VETH1_PREFIX)
return name
def _generate_tun_peer(self):
return base.get_rand_device_name(prefix='patch-int')
def _generate_external_bridge(self):
return base.get_rand_device_name(prefix='br-ex')
def ovs_geneve_supported(from_ip='192.0.2.3', to_ip='192.0.2.4'):
name = base.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 _generate_bridge_mappings(self):
return 'physnet1:%s' % base.get_rand_device_name(prefix='br-eth')
def ovs_vxlan_supported(from_ip='192.0.2.1', to_ip='192.0.2.2'):
name = base.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
def _generate_tunnel_bridge(self):
return base.get_rand_device_name(prefix='br-tun')
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 = tests_base.get_rand_device_name(net_helpers.PORT_PREFIX)
return (port_name, self.br.add_port(port_name, *attrs.items()))
def _generate_external_bridge(self):
return base.get_rand_device_name(prefix='br-ex')
def iproute2_vxlan_supported():
ip = ip_lib.IPWrapper()
name = base.get_rand_device_name(prefix='vxlantest-')
port = ip.add_vxlan(name, 3000)
ip.del_veth(name)
return name == port.name
