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(self, context, l2_gateway_connection):
"""Create a L2 gateway connection."""
#TODO(abhiraut): Move backend logic in a separate method
gw_connection = l2_gateway_connection.get(l2gw_const.
CONNECTION_RESOURCE_NAME)
network_id = gw_connection.get(l2gw_const.NETWORK_ID)
self._validate_network(context, network_id)
l2gw_connection = super(
NsxV3Driver, self).create_l2_gateway_connection(
context, l2_gateway_connection)
l2gw_id = gw_connection.get(l2gw_const.L2GATEWAY_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)
try:
tags = nsx_utils.build_v3_tags_payload(
gw_connection, resource_type='os-neutron-l2gw-id',
project_name=context.tenant_name)
bridge_endpoint = nsxlib.create_bridge_endpoint(
device_name=device_name,
seg_id=seg_id,
tags=tags)
except nsx_exc.ManagerError:
LOG.exception(_LE("Unable to update NSX backend, rolling back "
"changes on neutron"))
with excutils.save_and_reraise_exception():
super(NsxV3Driver,
self).delete_l2_gateway_connection(context,
l2gw_connection['id'])
# Create a logical port and connect it to the bridge endpoint.
tenant_id = gw_connection['tenant_id']
if context.is_admin and not tenant_id:
tenant_id = context.tenant_id
#TODO(abhiraut): Consider specifying the name of the port
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 (nsx_exc.ManagerError,
n_exc.NeutronException):
with excutils.save_and_reraise_exception():
LOG.exception(_LE("Unable to create L2 gateway port, "
"rolling back changes on neutron"))
nsxlib.delete_bridge_endpoint(bridge_endpoint['id'])
super(NsxV3Driver,
self).delete_l2_gateway_connection(context,
l2gw_connection['id'])
try:
# Update neutron's database with the mappings.
nsx_db.add_l2gw_connection_mapping(
session=context.session,
connection_id=l2gw_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"))
nsxlib.delete_bridge_endpoint(bridge_endpoint['id'])
super(NsxV3Driver,
self).delete_l2_gateway_connection(context,
l2gw_connection['id'])
return l2gw_connection
def create_l2_gateway_connection_postcommit(self, context, gw_connection):
"""Create a L2 gateway connection on the backend"""
nsxlib = self._core_plugin.nsxlib
l2gw_id = gw_connection.get(l2gw_const.L2GATEWAY_ID)
network_id = gw_connection.get(l2gw_const.NETWORK_ID)
device_name = self._get_bep(context, l2gw_id)
interface_name, seg_id = self._get_conn_parameters(
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 = nsxlib.build_v3_tags_payload(
gw_connection, resource_type='os-neutron-l2gw-id',
project_name=context.tenant_name)
bridge_endpoint = nsxlib.bridge_endpoint.create(
device_name=device_name,
vlan_transport_zone_id=interface_name,
vlan_id=seg_id,
tags=tags)
except nsxlib_exc.ManagerError as e:
LOG.exception("Unable to create bridge endpoint. "
"Exception is %s", e)
raise l2gw_exc.L2GatewayServiceDriverError(
method='create_l2_gateway_connection_postcommit')
port_dict = {'port': {
'name': 'l2gw-conn-%s-%s' % (
l2gw_id, seg_id),
'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}}
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:
with excutils.save_and_reraise_exception():
LOG.exception("Unable to create L2 gateway port, "
"rolling back changes on backend: %s", e)
self._core_plugin.nsxlib.bridge_endpoint.delete(
bridge_endpoint['id'])
super(NsxV3Driver,
self).delete_l2_gateway_connection(
context,
gw_connection['id'])
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 for %(conn_id)s on network "
"%(net_id)s. rolling back changes.",
{'conn_id': gw_connection['id'],
'net_id': network_id})
self._core_plugin.nsxlib.bridge_endpoint.delete(
bridge_endpoint['id'])
super(NsxV3Driver,
self).delete_l2_gateway_connection(
context,
gw_connection['id'])
return gw_connection