def test_nexusportvlanswitchbinding_get(self):
"""Tests get of port bindings based on port, vlan, and switch."""
npb11 = self._npb_test_obj(10, 100)
npb21 = self._npb_test_obj(20, 100)
self._add_bindings_to_db([npb11, npb21])
npb = self._get_port_vlan_switch_binding(npb11)
self.assertEqual(len(npb), 1)
self._assert_bindings_match(npb[0], npb11)
with testtools.ExpectedException(exceptions.NexusPortBindingNotFound):
nexus_db_v2.get_port_vlan_switch_binding(
npb21.port, npb21.vlan, "dummySwitch")
def _delete_switch_entry(self, vlan_id, device_id, host_id, vni,
is_provider_vlan):
"""Delete the nexus switch entry.
By accessing the current db entries determine if switch
configuration can be removed.
Called during delete postcommit port event.
"""
host_connections = self._get_switch_info(host_id)
# (nexus_port,switch_ip) will be unique in each iteration.
# But switch_ip will repeat if host has >1 connection to same switch.
# So track which switch_ips already have vlan removed in this loop.
vlan_already_removed = []
for switch_ip, intf_type, nexus_port in host_connections:
# if there are no remaining db entries using this vlan on this
# nexus switch port then remove vlan from the switchport trunk.
port_id = '%s:%s' % (intf_type, nexus_port)
auto_create = True
auto_trunk = True
if is_provider_vlan:
auto_create = cfg.CONF.ml2_cisco.provider_vlan_auto_create
auto_trunk = cfg.CONF.ml2_cisco.provider_vlan_auto_trunk
try:
nxos_db.get_port_vlan_switch_binding(port_id, vlan_id,
switch_ip)
except excep.NexusPortBindingNotFound:
pass
else:
continue
if auto_trunk:
self.driver.disable_vlan_on_trunk_int(switch_ip, vlan_id,
intf_type, nexus_port)
# if there are no remaining db entries using this vlan on this
# nexus switch then remove the vlan.
if auto_create:
try:
nxos_db.get_nexusvlan_binding(vlan_id, switch_ip)
except excep.NexusPortBindingNotFound:
# Do not perform a second time on same switch
if switch_ip not in vlan_already_removed:
self.driver.delete_vlan(switch_ip, vlan_id)
vlan_already_removed.append(switch_ip)
def _delete_switch_entry(self, vlan_id, device_id, host_id, vni,
is_provider_vlan):
"""Delete the nexus switch entry.
By accessing the current db entries determine if switch
configuration can be removed.
Called during delete postcommit port event.
"""
host_connections = self._get_switch_info(host_id)
# (nexus_port,switch_ip) will be unique in each iteration.
# But switch_ip will repeat if host has >1 connection to same switch.
# So track which switch_ips already have vlan removed in this loop.
vlan_already_removed = []
for switch_ip, intf_type, nexus_port in host_connections:
# if there are no remaining db entries using this vlan on this
# nexus switch port then remove vlan from the switchport trunk.
port_id = '%s:%s' % (intf_type, nexus_port)
auto_create = True
auto_trunk = True
if is_provider_vlan:
auto_create = cfg.CONF.ml2_cisco.provider_vlan_auto_create
auto_trunk = cfg.CONF.ml2_cisco.provider_vlan_auto_trunk
try:
nxos_db.get_port_vlan_switch_binding(port_id, vlan_id,
switch_ip)
except excep.NexusPortBindingNotFound:
pass
else:
continue
if auto_trunk:
self.driver.disable_vlan_on_trunk_int(
switch_ip, vlan_id, intf_type, nexus_port)
# if there are no remaining db entries using this vlan on this
# nexus switch then remove the vlan.
if auto_create:
try:
nxos_db.get_nexusvlan_binding(vlan_id, switch_ip)
except excep.NexusPortBindingNotFound:
# Do not perform a second time on same switch
if switch_ip not in vlan_already_removed:
self.driver.delete_vlan(switch_ip, vlan_id)
vlan_already_removed.append(switch_ip)
def _get_port_vlan_switch_binding(self, npb):
"""Gets port bindings based on port, vlan, and switch."""
return nexus_db_v2.get_port_vlan_switch_binding(
npb.port, npb.vlan, npb.switch)
