def test_nexusvmbinding_get(self):
"""Test get of port bindings based on vlan and instance."""
npb11 = self._npb_test_obj(10, 100)
npb21 = self._npb_test_obj(20, 100)
npb22 = self._npb_test_obj(20, 200)
self._add_bindings_to_db([npb11, npb21, npb22])
npb = self._get_nexusvm_binding(npb21)
self._assert_bindings_match(npb, npb21)
npb = self._get_nexusvm_binding(npb22)
self._assert_bindings_match(npb, npb22)
with testtools.ExpectedException(exceptions.NexusPortBindingNotFound):
nexus_db_v2.get_nexusvm_bindings(npb21.vlan, "dummyInstance")[0]
def _delete_nxos_db(self, vlan_id, device_id, host_id, vni,
is_provider_vlan):
"""Delete the nexus database entry.
Called during delete precommit port event.
"""
try:
rows = nxos_db.get_nexusvm_bindings(vlan_id, device_id)
for row in rows:
nxos_db.remove_nexusport_binding(row.port_id, row.vlan_id,
row.vni, row.switch_ip, row.instance_id,
row.is_provider_vlan)
except excep.NexusPortBindingNotFound:
return
def _delete_nxos_db(self, vlan_id, device_id, host_id, vni,
is_provider_vlan):
"""Delete the nexus database entry.
Called during delete precommit port event.
"""
try:
rows = nxos_db.get_nexusvm_bindings(vlan_id, device_id)
for row in rows:
nxos_db.remove_nexusport_binding(row.port_id, row.vlan_id,
row.vni, row.switch_ip, row.instance_id,
row.is_provider_vlan)
except excep.NexusPortBindingNotFound:
return
def _get_nexusvm_binding(self, npb):
"""Gets port binding based on vlan and instance."""
return nexus_db_v2.get_nexusvm_bindings(npb.vlan, npb.instance)[0]
def test_nexus_vm_migration(self):
"""Verify VM (live) migration.
Simulate the following:
Nova informs neutron of live-migration with port-update(new host).
This should trigger two update_port_pre/postcommit() calls.
The first one should only change the current host_id and remove the
binding resulting in the mechanism drivers receiving:
PortContext.original['binding:host_id']: previous value
PortContext.original_top_bound_segment: previous value
PortContext.current['binding:host_id']: current (new) value
PortContext.top_bound_segment: None
The second one binds the new host resulting in the mechanism
drivers receiving:
PortContext.original['binding:host_id']: previous value
PortContext.original_top_bound_segment: None
PortContext.current['binding:host_id']: previous value
PortContext.top_bound_segment: new value
"""
migrate_add_host2_driver_result = ([
test_cisco_nexus_base.RESULT_ADD_VLAN.format(267),
test_cisco_nexus_base.RESULT_ADD_INTERFACE.format(
'ethernet', '1\/20', 267)
])
self._basic_create_verify_port_vlan(
'test_config1', self.duplicate_add_port_driver_result)
binding = nexus_db_v2.get_nexusvm_bindings(
test_cisco_nexus_base.VLAN_ID_1,
test_cisco_nexus_base.INSTANCE_1)[0]
self.assertEqual(test_cisco_nexus_base.NEXUS_PORT_1, binding.port_id)
port_context = self._generate_port_context(
self.test_configs['test_config_migrate'], unbind_port=True)
port_cfg = self.test_configs['test_config1']
port_context.set_orig_port(port_cfg.instance_id, port_cfg.host_name,
port_cfg.device_owner, port_cfg.profile,
port_cfg.vnic_type,
test_cisco_nexus_base.NETID)
self._cisco_mech_driver.create_port_postcommit(port_context)
self._cisco_mech_driver.update_port_precommit(port_context)
self._cisco_mech_driver.update_port_postcommit(port_context)
# Verify that port entry has been deleted.
self.assertRaises(exceptions.NexusPortBindingNotFound,
nexus_db_v2.get_nexusvm_bindings,
test_cisco_nexus_base.VLAN_ID_1,
test_cisco_nexus_base.INSTANCE_1)
# Clean all the ncclient mock_calls to clear exception
# and other mock_call history.
self.mock_ncclient.reset_mock()
self._basic_create_verify_port_vlan('test_config_migrate',
migrate_add_host2_driver_result)
# Verify that port entry has been added using new host name.
# Use port_id to verify that 2nd host name was used.
binding = nexus_db_v2.get_nexusvm_bindings(
test_cisco_nexus_base.VLAN_ID_1,
test_cisco_nexus_base.INSTANCE_1)[0]
self.assertEqual(test_cisco_nexus_base.NEXUS_PORT_2, binding.port_id)
def test_nexus_vm_migration(self):
"""Verify VM (live) migration.
Simulate the following:
Nova informs neutron of live-migration with port-update(new host).
This should trigger two update_port_pre/postcommit() calls.
The first one should only change the current host_id and remove the
binding resulting in the mechanism drivers receiving:
PortContext.original['binding:host_id']: previous value
PortContext.original_top_bound_segment: previous value
PortContext.current['binding:host_id']: current (new) value
PortContext.top_bound_segment: None
The second one binds the new host resulting in the mechanism
drivers receiving:
PortContext.original['binding:host_id']: previous value
PortContext.original_top_bound_segment: None
PortContext.current['binding:host_id']: previous value
PortContext.top_bound_segment: new value
"""
migrate_add_host2_driver_result = [
test_cisco_nexus_base.RESULT_ADD_VLAN.format(267),
test_cisco_nexus_base.RESULT_ADD_INTERFACE.format("ethernet", "1\/20", 267),
]
self._basic_create_verify_port_vlan("test_config1", self.duplicate_add_port_driver_result)
binding = nexus_db_v2.get_nexusvm_bindings(test_cisco_nexus_base.VLAN_ID_1, test_cisco_nexus_base.INSTANCE_1)[0]
self.assertEqual(test_cisco_nexus_base.NEXUS_PORT_1, binding.port_id)
port_context = self._generate_port_context(self.test_configs["test_config_migrate"], unbind_port=True)
port_cfg = self.test_configs["test_config1"]
port_context.set_orig_port(
port_cfg.instance_id,
port_cfg.host_name,
port_cfg.device_owner,
port_cfg.profile,
port_cfg.vnic_type,
test_cisco_nexus_base.NETID,
)
self._cisco_mech_driver.create_port_postcommit(port_context)
self._cisco_mech_driver.update_port_precommit(port_context)
self._cisco_mech_driver.update_port_postcommit(port_context)
# Verify that port entry has been deleted.
self.assertRaises(
exceptions.NexusPortBindingNotFound,
nexus_db_v2.get_nexusvm_bindings,
test_cisco_nexus_base.VLAN_ID_1,
test_cisco_nexus_base.INSTANCE_1,
)
# Clean all the ncclient mock_calls to clear exception
# and other mock_call history.
self.mock_ncclient.reset_mock()
self._basic_create_verify_port_vlan("test_config_migrate", migrate_add_host2_driver_result)
# Verify that port entry has been added using new host name.
# Use port_id to verify that 2nd host name was used.
binding = nexus_db_v2.get_nexusvm_bindings(test_cisco_nexus_base.VLAN_ID_1, test_cisco_nexus_base.INSTANCE_1)[0]
self.assertEqual(test_cisco_nexus_base.NEXUS_PORT_2, binding.port_id)
