def _delete_switch_entry(self, vlan_id, device_id, host_id):
"""Delete the nexus switch entry.
By accessing the current db entries determine if switch
configuration can be removed.
Called during update postcommit port event.
"""
host_connections = self._get_switch_info(host_id)
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)
try:
nxos_db.get_port_vlan_switch_binding(port_id, vlan_id,
switch_ip)
except excep.NexusPortBindingNotFound:
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.
try:
nxos_db.get_nexusvlan_binding(vlan_id, switch_ip)
except excep.NexusPortBindingNotFound:
self.driver.delete_vlan(switch_ip, vlan_id)
def _delete_switch_entry(self, vlan_id, device_id, host_id):
"""Delete the nexus switch entry.
By accessing the current db entries determine if switch
configuration can be removed.
Called during update postcommit port event.
"""
host_connections = self._get_switch_info(host_id)
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)
try:
nxos_db.get_port_vlan_switch_binding(port_id, vlan_id,
switch_ip)
except excep.NexusPortBindingNotFound:
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.
try:
nxos_db.get_nexusvlan_binding(vlan_id, switch_ip)
except excep.NexusPortBindingNotFound:
self.driver.delete_vlan(switch_ip, vlan_id)
def test_nexusvlanbinding_get(self):
"""Test get of port bindings based on vlan and switch."""
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_all_v100 = self._get_nexusvlan_binding(npb11)
self.assertEqual(len(npb_all_v100), 2)
npb_v200 = self._get_nexusvlan_binding(npb22)
self.assertEqual(len(npb_v200), 1)
self._assert_bindings_match(npb_v200[0], npb22)
with testtools.ExpectedException(exceptions.NexusPortBindingNotFound):
nexus_db_v2.get_nexusvlan_binding(npb21.vlan, "dummySwitch")
def test_nexusvlanbinding_get(self):
"""Test get of port bindings based on vlan and switch."""
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_all_v100 = self._get_nexusvlan_binding(npb11)
self.assertEqual(len(npb_all_v100), 2)
npb_v200 = self._get_nexusvlan_binding(npb22)
self.assertEqual(len(npb_v200), 1)
self._assert_bindings_match(npb_v200[0], npb22)
with testtools.ExpectedException(exceptions.NexusPortBindingNotFound):
nexus_db_v2.get_nexusvlan_binding(npb21.vlan, "dummySwitch")
def _configure_switch_entry(self, vlan_id, device_id, host_id):
"""Create a nexus switch entry.
if needed, create a VLAN in the appropriate switch/port and
configure the appropriate interfaces for this VLAN.
Called during update postcommit port event.
"""
vlan_name = cfg.CONF.ml2_cisco.vlan_name_prefix + str(vlan_id)
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 created in this loop.
vlan_already_created = []
for switch_ip, intf_type, nexus_port in host_connections:
# The VLAN needs to be created on the switch if no other
# instance has been placed in this VLAN on a different host
# attached to this switch. Search the existing bindings in the
# database. If all the instance_id in the database match the
# current device_id, then create the VLAN, but only once per
# switch_ip. Otherwise, just trunk.
all_bindings = nxos_db.get_nexusvlan_binding(vlan_id, switch_ip)
previous_bindings = [row for row in all_bindings
if row.instance_id != device_id]
if previous_bindings or (switch_ip in vlan_already_created):
LOG.debug("Nexus: trunk vlan %s"), vlan_name
self.driver.enable_vlan_on_trunk_int(switch_ip, vlan_id,
intf_type, nexus_port)
else:
vlan_already_created.append(switch_ip)
LOG.debug("Nexus: create & trunk vlan %s"), vlan_name
self.driver.create_and_trunk_vlan(
switch_ip, vlan_id, vlan_name, intf_type, nexus_port)
def test_nexusbinding_update(self):
"""Tests update of vlan IDs for port bindings."""
npb11 = self._npb_test_obj(10, 100, switch='1.1.1.1', instance='test')
npb21 = self._npb_test_obj(20, 100, switch='1.1.1.1', instance='test')
self._add_bindings_to_db([npb11, npb21])
npb_all_v100 = nexus_db_v2.get_nexusvlan_binding(100, '1.1.1.1')
self.assertEqual(len(npb_all_v100), 2)
npb22 = self._npb_test_obj(20, 200, switch='1.1.1.1', instance='test')
npb = nexus_db_v2.update_nexusport_binding(npb21.port, 200)
self._assert_bindings_match(npb, npb22)
npb_all_v100 = nexus_db_v2.get_nexusvlan_binding(100, '1.1.1.1')
self.assertEqual(len(npb_all_v100), 1)
self._assert_bindings_match(npb_all_v100[0], npb11)
npb = nexus_db_v2.update_nexusport_binding(npb21.port, 0)
self.assertIsNone(npb)
npb33 = self._npb_test_obj(30, 300, switch='1.1.1.1', instance='test')
with testtools.ExpectedException(exceptions.NexusPortBindingNotFound):
nexus_db_v2.update_nexusport_binding(npb33.port, 200)
def test_nexusbinding_update(self):
"""Tests update of vlan IDs for port bindings."""
npb11 = self._npb_test_obj(10, 100, switch='1.1.1.1', instance='test')
npb21 = self._npb_test_obj(20, 100, switch='1.1.1.1', instance='test')
self._add_bindings_to_db([npb11, npb21])
npb_all_v100 = nexus_db_v2.get_nexusvlan_binding(100, '1.1.1.1')
self.assertEqual(len(npb_all_v100), 2)
npb22 = self._npb_test_obj(20, 200, switch='1.1.1.1', instance='test')
npb = nexus_db_v2.update_nexusport_binding(npb21.port, 200)
self._assert_bindings_match(npb, npb22)
npb_all_v100 = nexus_db_v2.get_nexusvlan_binding(100, '1.1.1.1')
self.assertEqual(len(npb_all_v100), 1)
self._assert_bindings_match(npb_all_v100[0], npb11)
npb = nexus_db_v2.update_nexusport_binding(npb21.port, 0)
self.assertIsNone(npb)
npb33 = self._npb_test_obj(30, 300, switch='1.1.1.1', instance='test')
with testtools.ExpectedException(exceptions.NexusPortBindingNotFound):
nexus_db_v2.update_nexusport_binding(npb33.port, 200)
def _delete_switch_entry(self, vlan_id, device_id, host_id):
"""Delete the nexus switch entry.
By accessing the current db entries determine if switch
configuration can be removed.
Called during update 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)
try:
nxos_db.get_port_vlan_switch_binding(port_id, vlan_id,
switch_ip)
except excep.NexusPortBindingNotFound:
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.
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):
"""Delete the nexus switch entry.
By accessing the current db entries determine if switch
configuration can be removed.
Called during update 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)
try:
nxos_db.get_port_vlan_switch_binding(port_id, vlan_id,
switch_ip)
except excep.NexusPortBindingNotFound:
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.
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 _configure_switch_entry(self, vlan_id, device_id, host_id):
"""Create a nexus switch entry.
if needed, create a VLAN in the appropriate switch/port and
configure the appropriate interfaces for this VLAN.
Called during update postcommit port event.
"""
port_id, switch_ip = self._get_switch_info(host_id)
vlan_name = cfg.CONF.ml2_cisco.vlan_name_prefix + str(vlan_id)
# Check to see if this is the first binding to use this vlan on the
# switch/port. Configure switch accordingly.
bindings = nxos_db.get_nexusvlan_binding(vlan_id, switch_ip)
if len(bindings) == 1:
LOG.debug(_("Nexus: create & trunk vlan %s"), vlan_name)
self.driver.create_and_trunk_vlan(switch_ip, vlan_id, vlan_name,
port_id)
else:
LOG.debug(_("Nexus: trunk vlan %s"), vlan_name)
self.driver.enable_vlan_on_trunk_int(switch_ip, vlan_id, port_id)
def _configure_switch_entry(self, vlan_id, device_id, host_id):
"""Create a nexus switch entry.
if needed, create a VLAN in the appropriate switch/port and
configure the appropriate interfaces for this VLAN.
Called during update postcommit port event.
"""
port_id, switch_ip = self._get_switch_info(host_id)
vlan_name = cfg.CONF.ml2_cisco.vlan_name_prefix + str(vlan_id)
# Check to see if this is the first binding to use this vlan on the
# switch/port. Configure switch accordingly.
bindings = nxos_db.get_nexusvlan_binding(vlan_id, switch_ip)
if len(bindings) == 1:
LOG.debug(_("Nexus: create & trunk vlan %s"), vlan_name)
self.driver.create_and_trunk_vlan(switch_ip, vlan_id, vlan_name,
port_id)
else:
LOG.debug(_("Nexus: trunk vlan %s"), vlan_name)
self.driver.enable_vlan_on_trunk_int(switch_ip, vlan_id, port_id)
def _configure_switch_entry(self, vlan_id, device_id, host_id):
"""Create a nexus switch entry.
if needed, create a VLAN in the appropriate switch/port and
configure the appropriate interfaces for this VLAN.
Called during update postcommit port event.
"""
vlan_name = cfg.CONF.ml2_cisco.vlan_name_prefix + str(vlan_id)
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 created in this loop.
vlan_already_created = []
for switch_ip, intf_type, nexus_port in host_connections:
# The VLAN needs to be created on the switch if no other
# instance has been placed in this VLAN on a different host
# attached to this switch. Search the existing bindings in the
# database. If all the instance_id in the database match the
# current device_id, then create the VLAN, but only once per
# switch_ip. Otherwise, just trunk.
all_bindings = nxos_db.get_nexusvlan_binding(vlan_id, switch_ip)
previous_bindings = [
row for row in all_bindings if row.instance_id != device_id
]
if previous_bindings or (switch_ip in vlan_already_created):
LOG.debug("Nexus: trunk vlan %s", vlan_name)
self.driver.enable_vlan_on_trunk_int(switch_ip, vlan_id,
intf_type, nexus_port)
else:
vlan_already_created.append(switch_ip)
LOG.debug("Nexus: create & trunk vlan %s", vlan_name)
self.driver.create_and_trunk_vlan(switch_ip, vlan_id,
vlan_name, intf_type,
nexus_port)
def _get_nexusvlan_binding(self, npb):
"""Gets port bindings based on vlan and switch."""
return nexus_db_v2.get_nexusvlan_binding(npb.vlan, npb.switch)
def _get_nexusvlan_binding(self, npb):
"""Gets port bindings based on vlan and switch."""
return nexus_db_v2.get_nexusvlan_binding(npb.vlan, npb.switch)
