def delete_l2_gateway_connection(self, context, gw_connection):
"""Delete a L2 gateway connection."""
conn_mapping = nsx_db.get_l2gw_connection_mapping(
session=context.session, connection_id=gw_connection)
if not conn_mapping:
LOG.error(
"Unable to delete gateway connection %(id)s: mapping "
"not found", {'id': gw_connection})
# Do not block the deletion
return
bridge_endpoint_id = conn_mapping.get('bridge_endpoint_id')
# Delete the logical port from the bridge endpoint.
self._core_plugin.delete_port(context=context,
port_id=conn_mapping.get('port_id'),
l2gw_port_check=False)
try:
self._core_plugin.nsxlib.bridge_endpoint.delete(bridge_endpoint_id)
except nsxlib_exc.ManagerError as e:
LOG.exception(
"Unable to delete bridge endpoint %(id)s on the "
"backend due to exc: %(exc)s", {
'id': bridge_endpoint_id,
'exc': e
})
raise l2gw_exc.L2GatewayServiceDriverError(
method='delete_l2_gateway_connection')
def create_l2_gateway_connection_postcommit(self, context, gw_connection):
network_id = gw_connection.get('network_id')
virtual_wire = nsx_db.get_nsx_switch_ids(context.session, network_id)
# In NSX-v, there will be only one device configured per L2 gateway.
# The name of the device shall carry the backend DLR.
l2gw_id = gw_connection.get(l2gw_const.L2GATEWAY_ID)
device = self._get_device(context, l2gw_id)
device_name = device.get('device_name')
device_id = device.get('id')
interface = self._get_l2_gw_interfaces(context, device_id)
interface_name = interface[0].get("interface_name")
bridge_name = "bridge-" + uuidutils.generate_uuid()
bridge_dict = {
"bridges": {
"bridge": {
"name": bridge_name,
"virtualWire": virtual_wire[0],
"dvportGroup": interface_name
}
}
}
try:
self._nsxv.create_bridge(device_name, bridge_dict)
except exceptions.VcnsApiException:
LOG.exception("Failed to update NSX, "
"rolling back changes on neutron.")
raise l2gw_exc.L2GatewayServiceDriverError(
method='create_l2_gateway_connection_postcommit')
return
def delete_l2_gateway_connection_postcommit(self, context, gw_connection):
"""Delete a L2 gateway connection."""
conn_mapping = nsx_db.get_l2gw_connection_mapping(
session=context.session, connection_id=gw_connection)
bridge_endpoint_id = conn_mapping.get('bridge_endpoint_id')
# Delete the logical port from the bridge endpoint.
self._core_plugin.delete_port(context=context,
port_id=conn_mapping.get('port_id'),
l2gw_port_check=False)
try:
self._core_plugin.nsxlib.delete_bridge_endpoint(bridge_endpoint_id)
except nsxlib_exc.ManagerError as e:
LOG.exception(
_LE("Unable to delete bridge endpoint %(id)s on the "
"backend due to exc: %(exc)s"), {
'id': bridge_endpoint_id,
'exc': e
})
raise l2gw_exc.L2GatewayServiceDriverError(
method='delete_l2_gateway_connection_postcommit')
def create_l2_gateway_connection_postcommit(self, context, gw_connection):
"""Create a L2 gateway connection."""
l2gw_id = gw_connection.get(l2gw_const.L2GATEWAY_ID)
network_id = gw_connection.get(l2gw_const.NETWORK_ID)
device_name = self._get_bridge_cluster(context, l2gw_id)
seg_id = self._get_conn_seg_id(context, gw_connection)
self._validate_segment_id(seg_id)
tenant_id = gw_connection['tenant_id']
if context.is_admin and not tenant_id:
tenant_id = context.tenant_id
gw_connection['tenant_id'] = tenant_id
try:
tags = self._core_plugin.nsxlib.build_v3_tags_payload(
gw_connection,
resource_type='os-neutron-l2gw-id',
project_name=context.tenant_name)
bridge_endpoint = self._core_plugin.nsxlib.bridge_endpoint.create(
device_name=device_name, seg_id=seg_id, tags=tags)
except nsxlib_exc.ManagerError as e:
LOG.exception(
"Unable to create bridge endpoint, rolling back "
"changes on neutron. Exception is %s", e)
raise l2gw_exc.L2GatewayServiceDriverError(
method='create_l2_gateway_connection_postcommit')
#TODO(abhiraut): Consider specifying the name of the port
# Create a logical port and connect it to the bridge endpoint.
port_dict = {
'port': {
'tenant_id': tenant_id,
'network_id': network_id,
'mac_address': constants.ATTR_NOT_SPECIFIED,
'admin_state_up': True,
'fixed_ips': [],
'device_id': bridge_endpoint['id'],
'device_owner': nsx_constants.BRIDGE_ENDPOINT,
'name': '',
}
}
try:
#TODO(abhiraut): Consider adding UT for port check once UTs are
# refactored
port = self._core_plugin.create_port(context,
port_dict,
l2gw_port_check=True)
# Deallocate IP address from the port.
for fixed_ip in port.get('fixed_ips', []):
self._core_plugin._delete_ip_allocation(
context, network_id, fixed_ip['subnet_id'],
fixed_ip['ip_address'])
LOG.debug("IP addresses deallocated on port %s", port['id'])
except (nsxlib_exc.ManagerError, n_exc.NeutronException) as e:
LOG.exception(
"Unable to create L2 gateway port, "
"rolling back changes on neutron: %s", e)
self._core_plugin.nsxlib.bridge_endpoint.delete(
bridge_endpoint['id'])
raise l2gw_exc.L2GatewayServiceDriverError(
method='create_l2_gateway_connection_postcommit')
try:
# Update neutron's database with the mappings.
nsx_db.add_l2gw_connection_mapping(
session=context.session,
connection_id=gw_connection['id'],
bridge_endpoint_id=bridge_endpoint['id'],
port_id=port['id'])
except db_exc.DBError:
with excutils.save_and_reraise_exception():
LOG.exception("Unable to add L2 gateway connection "
"mappings, rolling back changes on neutron")
self._core_plugin.nsxlib.bridge_endpoint.delete(
bridge_endpoint['id'])
super(NsxV3Driver, self).delete_l2_gateway_connection(
context, gw_connection['id'])
return gw_connection
def create_l2_gateway_connection_postcommit(self, context, gw_connection):
"""Create a L2 gateway connection."""
l2gw_id = gw_connection.get(l2gw_const.L2GATEWAY_ID)
network_id = gw_connection.get(l2gw_const.NETWORK_ID)
devices = self._get_l2_gateway_devices(context, l2gw_id)
# In NSXv3, there will be only one device configured per L2 gateway.
# The name of the device shall carry the backend bridge cluster's UUID.
device_name = devices[0].get('device_name')
# The seg-id will be provided either during gateway create or gateway
# connection create. l2gateway_db_mixin makes sure that it is
# configured one way or the other.
seg_id = gw_connection.get(l2gw_const.SEG_ID)
if not seg_id:
# Seg-id was not passed as part of connection-create. Retrieve
# seg-id from L2 gateway's interface.
interface = self._get_l2_gw_interfaces(context, devices[0]['id'])
seg_id = interface[0].get(l2gw_const.SEG_ID)
self._validate_segment_id(seg_id)
tenant_id = gw_connection['tenant_id']
if context.is_admin and not tenant_id:
tenant_id = context.tenant_id
gw_connection['tenant_id'] = tenant_id
try:
tags = self._core_plugin.nsxlib.build_v3_tags_payload(
gw_connection,
resource_type='os-neutron-l2gw-id',
project_name=context.tenant_name)
bridge_endpoint = self._core_plugin.nsxlib.bridge_endpoint.create(
device_name=device_name, seg_id=seg_id, tags=tags)
except nsxlib_exc.ManagerError as e:
LOG.exception(
_LE("Unable to create bridge endpoint, rolling back "
"changes on neutron. Exception is %s"), e)
raise l2gw_exc.L2GatewayServiceDriverError(
method='create_l2_gateway_connection_postcommit')
#TODO(abhiraut): Consider specifying the name of the port
# Create a logical port and connect it to the bridge endpoint.
port_dict = {
'port': {
'tenant_id': tenant_id,
'network_id': network_id,
'mac_address': constants.ATTR_NOT_SPECIFIED,
'admin_state_up': True,
'fixed_ips': [],
'device_id': bridge_endpoint['id'],
'device_owner': nsx_constants.BRIDGE_ENDPOINT,
'name': '',
}
}
try:
#TODO(abhiraut): Consider adding UT for port check once UTs are
# refactored
port = self._core_plugin.create_port(context,
port_dict,
l2gw_port_check=True)
# Deallocate IP address from the port.
for fixed_ip in port.get('fixed_ips', []):
self._core_plugin._delete_ip_allocation(
context, network_id, fixed_ip['subnet_id'],
fixed_ip['ip_address'])
LOG.debug("IP addresses deallocated on port %s", port['id'])
except (nsxlib_exc.ManagerError, n_exc.NeutronException):
LOG.exception(
_LE("Unable to create L2 gateway port, "
"rolling back changes on neutron"))
self._core_plugin.nsxlib.bridge_endpoint.delete(
bridge_endpoint['id'])
raise l2gw_exc.L2GatewayServiceDriverError(
method='create_l2_gateway_connection_postcommit')
try:
# Update neutron's database with the mappings.
nsx_db.add_l2gw_connection_mapping(
session=context.session,
connection_id=gw_connection['id'],
bridge_endpoint_id=bridge_endpoint['id'],
port_id=port['id'])
except db_exc.DBError:
with excutils.save_and_reraise_exception():
LOG.exception(
_LE("Unable to add L2 gateway connection "
"mappings, rolling back changes on neutron"))
self._core_plugin.nsxlib.bridge_endpoint.delete(
bridge_endpoint['id'])
super(NsxV3Driver, self).delete_l2_gateway_connection(
context, gw_connection['id'])
return gw_connection