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