def _process_logical_switch(self, uuid, uuid_dict, data_dict):
"""Processes Logical_Switch record from the OVSDB event."""
new_row = uuid_dict.get('new', None)
old_row = uuid_dict.get('old', None)
if new_row:
l_switch = ovsdb_schema.LogicalSwitch(uuid,
new_row.get('name'),
new_row.get('tunnel_key'),
new_row.get('description'))
if old_row:
modified_logical_switches = data_dict.get(
'modified_logical_switches')
modified_logical_switches.append(l_switch)
else:
new_logical_switches = data_dict.get(
'new_logical_switches')
new_logical_switches.append(l_switch)
elif old_row:
l_switch = ovsdb_schema.LogicalSwitch(uuid,
old_row.get('name'),
old_row.get('tunnel_key'),
old_row.get('description'))
deleted_logical_switches = data_dict.get(
'deleted_logical_switches')
deleted_logical_switches.append(l_switch)
def _form_logical_switch_schema(self, context, network, ls_dict):
logical_switch_uuid = None
logical_switch = db.get_logical_switch_by_name(
context, ls_dict)
if logical_switch:
logical_switch_uuid = logical_switch.get('uuid')
logical_switch = self._get_dict(ovsdb_schema.LogicalSwitch(
uuid=logical_switch_uuid,
name=network['id'],
key=network['provider:segmentation_id'],
description=network['name']))
return logical_switch
def notify_ovsdb_states(self, context, ovsdb_states):
"""RPC to notify the OVSDB servers connection state."""
for ovsdb_identifier, state in ovsdb_states.items():
if state == 'connected':
pending_recs = db.get_all_pending_remote_macs_in_asc_order(
context, ovsdb_identifier)
if pending_recs:
for pending_mac in pending_recs:
logical_switch_uuid = pending_mac[
'logical_switch_uuid']
mac = pending_mac['mac']
operation = pending_mac['operation']
try:
if operation == 'insert' or operation == 'update':
l_switch = ovsdb_schema.LogicalSwitch(
logical_switch_uuid, None, None, None)
locator_uuid = pending_mac.get(
'locator_uuid', None)
dst_ip = pending_mac.get('dst_ip', None)
locator = ovsdb_schema.PhysicalLocator(
locator_uuid, dst_ip)
mac_remote = ovsdb_schema.UcastMacsRemote(
pending_mac.get('uuid', None), mac,
logical_switch_uuid, locator_uuid,
pending_mac['vm_ip'])
if operation == 'insert':
self.agent_rpc.add_vif_to_gateway(
context, ovsdb_identifier,
l_switch.__dict__, locator.__dict__,
mac_remote.__dict__)
else:
# update operation
self.agent_rpc.update_vif_to_gateway(
context, ovsdb_identifier,
locator.__dict__, mac_remote.__dict__)
else:
self.agent_rpc.delete_vif_from_gateway(
context, ovsdb_identifier,
logical_switch_uuid, [mac])
# As the pending operation is over, delete the
# record from the pending_ucast_mac_remote table
db.delete_pending_ucast_mac_remote(
context, operation, ovsdb_identifier,
logical_switch_uuid, mac)
except Exception as ex:
LOG.exception(_LE("Exception occurred = %s"),
str(ex))
def insert_ucast_macs_remote(self, l_switch_dict, locator_dict,
mac_dict, ovsdb_identifier,
rcv_required=True):
"""Insert an entry in Ucast_Macs_Remote OVSDB table."""
# To insert an entry in Ucast_Macs_Remote table, it requires
# corresponding entry in Physical_Locator (Compute node VTEP IP)
# and Logical_Switch (Neutron network) tables.
logical_switch = ovsdb_schema.LogicalSwitch(l_switch_dict['uuid'],
l_switch_dict['name'],
l_switch_dict['key'],
l_switch_dict['description'
])
locator = ovsdb_schema.PhysicalLocator(locator_dict['uuid'],
locator_dict['dst_ip'])
macObject = ovsdb_schema.UcastMacsRemote(mac_dict['uuid'],
mac_dict['mac'],
mac_dict['logical_switch_id'],
mac_dict['physical_locator_id'
],
mac_dict['ip_address'])
# Form the insert query now.
commit_dict = {"op": "commit", "durable": True}
op_id = str(random.getrandbits(128))
params = [n_const.OVSDB_SCHEMA_NAME]
if locator.uuid:
locator_list = ['uuid', locator.uuid]
else:
locator.uuid = ''.join(['a', str(random.getrandbits(128))])
locator_list = ["named-uuid", locator.uuid]
params.append(self._get_physical_locator_dict(locator))
if logical_switch.uuid:
l_switches = ['uuid', logical_switch.uuid]
else:
logical_switch.uuid = ''.join(['a', str(random.getrandbits(128))])
l_switches = ["named-uuid", logical_switch.uuid]
params.append(self._get_logical_switch_dict(logical_switch))
params.append(self._get_ucast_macs_remote_dict(
macObject, locator_list, l_switches))
params.append(commit_dict)
query = {"method": "transact",
"params": params,
"id": op_id}
LOG.debug("insert_ucast_macs_remote: query: %s", query)
self._send_and_receive(query, op_id, ovsdb_identifier, rcv_required)
def test_get_bindings_to_update1(self):
"""Test case to test _get_bindings_to_update."""
fake_op_method = 'CREATE'
with mock.patch.object(
ovsdb_writer.OVSDBWriter,
'_form_logical_switch') as form_ls, \
mock.patch.object(
ovsdb_writer.OVSDBWriter,
'_form_physical_locators') as form_pl, \
mock.patch.object(
ovsdb_writer.OVSDBWriter, '_form_ports') as form_pp, \
mock.patch.object(
ovsdb_schema, 'LogicalSwitch') as mock_ls, \
mock.patch.object(
ovsdb_schema, 'PhysicalLocator') as mock_pl, \
mock.patch.object(
ovsdb_schema, 'UcastMacsRemote') as mock_ucmr, \
mock.patch.object(ovsdb_schema, 'PhysicalPort') as mock_pp:
ls = mock_ls.return_value = ovsdb_schema.LogicalSwitch(
'ls_uuid', 'ls_name', 'ls_key', 'ls_desc')
pl = mock_pl.return_value = ovsdb_schema.PhysicalLocator(
'pl_uuid', 'pl_dst_ip')
mock_ucmr.return_value = ovsdb_schema.UcastMacsRemote(
'ucmr_uuid', 'ucmr_mac', 'ucmr_ls_id', 'ucmr_pl_id', 'ucmr_ip')
pp = mock_pp.return_value = ovsdb_schema.PhysicalPort(
'pp_uuid', 'pp_name', 'pp_ps_id', 'pp_vlan_bindings')
form_ls.return_value = ['uuid', ls.uuid]
self.l2gw_ovsdb._get_bindings_to_update(
mock.MagicMock(), [{
'uuid': 'uuid',
'dst_ip': 'dst_ip'
}], mock.MagicMock(), [{
'uuid': 'uuid',
'name': 'name',
'physical_switch_id': 'physical_switch_id',
'vlan_bindings': 'vlan_bindings',
'port_fault_status': 'port_fault_status'
}], fake_op_method)
form_ls.assert_called_with(ls, mock.ANY)
form_pl.assert_called_with(['uuid', ls.uuid], [pl], mock.ANY,
mock.ANY)
form_pp.assert_called_with(['uuid', ls.uuid], [pp], mock.ANY,
fake_op_method)
def _get_bindings_to_update(self, l_switch_dict, locator_dicts, mac_dicts,
port_dicts):
# For connection-create, there are two cases to be handled
# Case 1: VMs exist in a network on compute nodes.
# Connection request will contain locators, ports, MACs and
# network.
# Case 2: VMs do not exist in a network on compute nodes.
# Connection request will contain only ports and network
#
# For connection-delete, we do not need logical_switch and locators
# information, we just need ports.
locator_list = []
port_list = []
ls_list = []
logical_switch = None
# Convert logical switch dict to a class object
if l_switch_dict:
logical_switch = ovsdb_schema.LogicalSwitch(
l_switch_dict['uuid'], l_switch_dict['name'],
l_switch_dict['key'], l_switch_dict['description'])
# Convert locator dicts into class objects
for locator in locator_dicts:
locator_list.append(
ovsdb_schema.PhysicalLocator(locator['uuid'],
locator['dst_ip']))
# Convert MAC dicts into class objects. mac_dicts is a dictionary with
# locator VTEP IP as the key and list of MACs as the value.
locator_macs = {}
for locator_ip, mac_list in mac_dicts.items():
mac_object_list = []
for mac_dict in mac_list:
mac_object = ovsdb_schema.UcastMacsRemote(
mac_dict['uuid'], mac_dict['mac'],
mac_dict['logical_switch_id'],
mac_dict['physical_locator_id'], mac_dict['ip_address'])
mac_object_list.append(mac_object)
locator_macs[locator_ip] = mac_object_list
# Convert port dicts into class objects
for port in port_dicts:
phys_port = ovsdb_schema.PhysicalPort(port['uuid'], port['name'],
port['physical_switch_id'],
port['vlan_bindings'],
port['port_fault_status'])
port_list.append(phys_port)
bindings = []
bindings.append(n_const.OVSDB_SCHEMA_NAME)
# Form the query.
commit_dict = {"op": "commit", "durable": True}
params = [n_const.OVSDB_SCHEMA_NAME]
# Use logical switch
if logical_switch:
ls_list = self._form_logical_switch(logical_switch, params)
# Use physical locators
if locator_list:
self._form_physical_locators(ls_list, locator_list, locator_macs,
params)
# Use ports
self._form_ports(ls_list, port_list, params)
params.append(commit_dict)
return params
