def can_be_trunked(self, context):
""""Return true if a port can be trunked."""
if not self.is_bound(context):
# An unbound port can be trunked, always.
return True
trunk_plugin = directory.get_plugin('trunk')
vif_type = self._port.get(portbindings.VIF_TYPE)
binding_host = self._port.get(portbindings.HOST_ID)
# Determine the driver that will be in charge of the trunk: this
# can be determined based on the vif type, whether or not the
# driver is agent-based, and whether the host is running the agent
# associated to the driver itself.
host_agent_types = utils.get_agent_types_by_host(context, binding_host)
drivers = [
driver for driver in trunk_plugin.registered_drivers
if utils.is_driver_compatible(
context, driver, vif_type, host_agent_types)
]
if len(drivers) > 1:
raise trunk_exc.TrunkPluginDriverConflict()
elif len(drivers) == 1:
return drivers[0].can_trunk_bound_port
else:
return False
def can_be_trunked(self, context):
""""Return true if a port can be trunked."""
if not self.is_bound(context):
# An unbound port can be trunked, always.
return True
trunk_plugin = directory.get_plugin('trunk')
vif_type = self._port.get(portbindings.VIF_TYPE)
binding_host = self._port.get(portbindings.HOST_ID)
# Determine the driver that will be in charge of the trunk: this
# can be determined based on the vif type, whether or not the
# driver is agent-based, and whether the host is running the agent
# associated to the driver itself.
host_agent_types = utils.get_agent_types_by_host(context, binding_host)
drivers = [
driver for driver in trunk_plugin.registered_drivers
if utils.is_driver_compatible(
context, driver, vif_type, host_agent_types)
]
if len(drivers) > 1:
raise trunk_exc.TrunkPluginDriverConflict()
elif len(drivers) == 1:
return drivers[0].can_trunk_bound_port
else:
return False
def test_get_agent_types_by_host_returns_agents(self):
with mock.patch("neutron.db.agents_db.AgentDbMixin.get_agents") as f:
f.return_value = [{'agent_type': 'foo_type'}]
self.assertEqual(['foo_type'],
utils.get_agent_types_by_host(
self.context, 'foo_host'))
def test_get_agent_types_by_host_returns_empty(self):
self.assertFalse(
utils.get_agent_types_by_host(self.context, 'foo_host'))
def test_get_agent_types_by_host_returns_agents(self):
with mock.patch("neutron.db.agents_db.AgentDbMixin.get_agents") as f:
f.return_value = [{"agent_type": "foo_type"}]
self.assertEqual(["foo_type"], utils.get_agent_types_by_host(self.context, "foo_host"))
def test_get_agent_types_by_host_returns_empty(self):
self.assertFalse(utils.get_agent_types_by_host(self.context, "foo_host"))
