tapi/src/main/java/org/opendaylight/transportpce/tapi/connectivity/TapiConnectivityImpl.java

   1 /*
   2  * Copyright © 2018 Orange, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.transportpce.tapi.connectivity;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import java.nio.charset.StandardCharsets;
  12 import java.util.HashMap;
  13 import java.util.Map;
  14 import java.util.UUID;
  15 import java.util.concurrent.ExecutionException;
  16 import org.opendaylight.transportpce.common.OperationResult;
  17 import org.opendaylight.transportpce.common.ResponseCodes;
  18 import org.opendaylight.transportpce.tapi.listeners.TapiPceListenerImpl;
  19 import org.opendaylight.transportpce.tapi.listeners.TapiRendererListenerImpl;
  20 import org.opendaylight.transportpce.tapi.listeners.TapiServiceHandlerListenerImpl;
  21 import org.opendaylight.transportpce.tapi.utils.TapiContext;
  22 import org.opendaylight.transportpce.tapi.validation.CreateConnectivityServiceValidation;
  23 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.service.types.rev190531.RpcActions;
  24 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.service.types.rev190531.sdnc.request.header.SdncRequestHeaderBuilder;
  25 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.OrgOpenroadmServiceService;
  26 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.ServiceCreateInput;
  27 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.ServiceCreateOutput;
  28 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.ServiceDeleteInputBuilder;
  29 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.ServiceDeleteOutput;
  30 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.service.delete.input.ServiceDeleteReqInfo;
  31 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.service.delete.input.ServiceDeleteReqInfoBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.AdministrativeState;
  33 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.ForwardingDirection;
  34 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.LifecycleState;
  35 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.OperationalState;
  36 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.Uuid;
  37 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.capacity.BandwidthProfileBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.capacity.TotalSizeBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.global._class.Name;
  40 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.global._class.NameBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.tapi.context.ServiceInterfacePoint;
  42 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev181210.tapi.context.ServiceInterfacePointKey;
  43 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.CreateConnectivityServiceInput;
  44 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.CreateConnectivityServiceOutput;
  45 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.CreateConnectivityServiceOutputBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.DeleteConnectivityServiceInput;
  47 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.DeleteConnectivityServiceOutput;
  48 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.DeleteConnectivityServiceOutputBuilder;
  49 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.GetConnectionDetailsInput;
  50 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.GetConnectionDetailsOutput;
  51 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.GetConnectionDetailsOutputBuilder;
  52 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.GetConnectionEndPointDetailsInput;
  53 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.GetConnectionEndPointDetailsOutput;
  54 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.GetConnectionEndPointDetailsOutputBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.GetConnectivityServiceDetailsInput;
  56 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.GetConnectivityServiceDetailsOutput;
  57 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.GetConnectivityServiceDetailsOutputBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.GetConnectivityServiceListInput;
  59 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.GetConnectivityServiceListOutput;
  60 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.GetConnectivityServiceListOutputBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.ServiceType;
  62 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.TapiConnectivityService;
  63 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.UpdateConnectivityServiceInput;
  64 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.UpdateConnectivityServiceOutput;
  65 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.cep.list.ConnectionEndPoint;
  66 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.connectivity.context.Connection;
  67 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.connectivity.context.ConnectivityService;
  68 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.connectivity.context.ConnectivityServiceBuilder;
  69 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.connectivity.context.ConnectivityServiceKey;
  70 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.connectivity.service.EndPoint;
  71 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.connectivity.service.EndPointBuilder;
  72 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.connectivity.service.EndPointKey;
  73 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.connectivity.service.end.point.CapacityBuilder;
  74 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.connectivity.service.end.point.ServiceInterfacePointBuilder;
  75 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.create.connectivity.service.output.ServiceBuilder;
  76 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.get.connection.details.output.ConnectionBuilder;
  77 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.get.connection.end.point.details.output.ConnectionEndPointBuilder;
  78 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.get.connectivity.service.list.output.Service;
  79 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.connectivity.rev181210.get.connectivity.service.list.output.ServiceKey;
  80 import org.opendaylight.yangtools.yang.common.RpcError;
  81 import org.opendaylight.yangtools.yang.common.RpcResult;
  82 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  83 import org.slf4j.Logger;
  84 import org.slf4j.LoggerFactory;
  85
  86 /**
  87  * Top level service interface providing main TAPI Connectivity services.
  88  */
  89 public class TapiConnectivityImpl implements TapiConnectivityService {
  90
  91     private static final Logger LOG = LoggerFactory.getLogger(TapiConnectivityImpl.class);
  92
  93     private OrgOpenroadmServiceService serviceHandler;
  94     private final TapiContext tapiContext;
  95     private final ConnectivityUtils connectivityUtils;
  96     private TapiPceListenerImpl pceListenerImpl;
  97     private TapiRendererListenerImpl rendererListenerImpl;
  98     private TapiServiceHandlerListenerImpl serviceHandlerListenerImpl;
  99
 100     public TapiConnectivityImpl(OrgOpenroadmServiceService serviceHandler, TapiContext tapiContext,
 101                                 ConnectivityUtils connectivityUtils, TapiPceListenerImpl pceListenerImpl,
 102                                 TapiRendererListenerImpl rendererListenerImpl,
 103                                 TapiServiceHandlerListenerImpl serviceHandlerListenerImpl) {
 104         LOG.info("inside TapiImpl constructor");
 105         this.serviceHandler = serviceHandler;
 106         this.tapiContext = tapiContext;
 107         this.connectivityUtils = connectivityUtils;
 108         this.pceListenerImpl = pceListenerImpl;
 109         this.rendererListenerImpl = rendererListenerImpl;
 110         this.serviceHandlerListenerImpl = serviceHandlerListenerImpl;
 111     }
 112
 113     @Override
 114     public ListenableFuture<RpcResult<CreateConnectivityServiceOutput>> createConnectivityService(
 115             CreateConnectivityServiceInput input) {
 116         // TODO: later version of TAPI models include Name as an input parameter in connectivity.yang
 117         LOG.info("RPC create-connectivity received: {}", input.getEndPoint());
 118         Uuid serviceUuid = new Uuid(UUID.randomUUID().toString());
 119         this.pceListenerImpl.setInput(input);
 120         this.pceListenerImpl.setServiceUuid(serviceUuid);
 121         this.rendererListenerImpl.setServiceUuid(serviceUuid);
 122         ListenableFuture<RpcResult<ServiceCreateOutput>> output = null;
 123         OperationResult validationResult = CreateConnectivityServiceValidation.validateCreateConnectivityServiceRequest(
 124                 input);
 125         if (validationResult.isSuccess()) {
 126             LOG.info("input parameter of RPC create-connectivity are being handled");
 127             // check uuid of SIP in tapi context
 128             Map<ServiceInterfacePointKey, ServiceInterfacePoint> sipMap = this.tapiContext.getTapiContext()
 129                     .getServiceInterfacePoint();
 130             if (sipMap == null) {
 131                 return RpcResultBuilder.<CreateConnectivityServiceOutput>failed().withError(RpcError.ErrorType.RPC,
 132                     "SIP list is empty").buildFuture();
 133             }
 134             if (sipMap.containsKey(new ServiceInterfacePointKey(input.getEndPoint().values().stream().findFirst().get()
 135                     .getServiceInterfacePoint().getServiceInterfacePointUuid()))
 136                     && sipMap.containsKey(new ServiceInterfacePointKey(input.getEndPoint().values().stream().skip(1)
 137                     .findFirst().get().getServiceInterfacePoint().getServiceInterfacePointUuid()))) {
 138                 LOG.info("SIPs found in sipMap");
 139                 // TODO: differentiate between OTN service and GbE service in TAPI
 140                 ServiceCreateInput sci = this.connectivityUtils.createORServiceInput(input, serviceUuid);
 141                 if (sci == null) {
 142                     return RpcResultBuilder.<CreateConnectivityServiceOutput>failed().withError(RpcError.ErrorType.RPC,
 143                         "Couldnt map Service create input").buildFuture();
 144                 }
 145                 LOG.info("Service Create input = {}", sci);
 146                 output = this.serviceHandler.serviceCreate(sci);
 147                 if (!output.isDone()) {
 148                     return RpcResultBuilder.<CreateConnectivityServiceOutput>failed().withError(RpcError.ErrorType.RPC,
 149                         "Service create RPC failed").buildFuture();
 150                 }
 151             } else {
 152                 LOG.error("Unknown UUID");
 153                 return RpcResultBuilder.<CreateConnectivityServiceOutput>failed().withError(RpcError.ErrorType.RPC,
 154                     "SIPs do not exist in tapi context").buildFuture();
 155             }
 156         }
 157         try {
 158             if (output == null) {
 159                 return RpcResultBuilder.<CreateConnectivityServiceOutput>failed().withError(RpcError.ErrorType.RPC,
 160                     "Failed to create service").buildFuture();
 161             }
 162             LOG.info("Service create request was successful");
 163             if (output.get().getResult().getConfigurationResponseCommon().getResponseCode()
 164                     .equals(ResponseCodes.RESPONSE_FAILED)) {
 165                 return RpcResultBuilder.<CreateConnectivityServiceOutput>failed().withError(RpcError.ErrorType.RPC,
 166                     "Failed to create service").buildFuture();
 167             }
 168             LOG.info("Output of service request = {}", output.get().getResult());
 169         } catch (InterruptedException | ExecutionException e) {
 170             LOG.error("Error checking response code of service create", e);
 171         }
 172         // Connections and states should be created/updated when the pce and renderer are done :)
 173         Map<EndPointKey, EndPoint> endPointList = createEndPoints(input.getEndPoint());
 174         Name name = new NameBuilder()
 175             .setValueName("Connectivity Service Name")
 176             .setValue(serviceUuid.getValue())
 177             .build();
 178         ConnectivityService service = new ConnectivityServiceBuilder()
 179             .setUuid(serviceUuid)
 180             .setAdministrativeState(AdministrativeState.LOCKED)
 181             .setOperationalState(OperationalState.DISABLED)
 182             .setLifecycleState(LifecycleState.PLANNED)
 183             .setServiceLayer(input.getConnectivityConstraint().getServiceLayer())
 184             .setServiceType(ServiceType.POINTTOPOINTCONNECTIVITY)
 185             .setConnectivityDirection(ForwardingDirection.BIDIRECTIONAL)
 186             .setName(Map.of(name.key(), name))
 187             .setConnection(new HashMap<>())
 188             .setEndPoint(endPointList)
 189             .build();
 190         // add to tapi context
 191         this.tapiContext.updateConnectivityContext(Map.of(service.key(), service), new HashMap<>());
 192         LOG.info("Created locked service in Datastore. Waiting for PCE and Renderer to complete tasks...");
 193         // return ConnectivityServiceCreateOutput
 194         return RpcResultBuilder.success(new CreateConnectivityServiceOutputBuilder()
 195             .setService(new ServiceBuilder(service).build()).build()).buildFuture();
 196     }
 197
 198     private Map<EndPointKey, EndPoint> createEndPoints(
 199             Map<org.opendaylight.yang.gen.v1.urn
 200                 .onf.otcc.yang.tapi.connectivity.rev181210.create.connectivity.service.input.EndPointKey,
 201                 org.opendaylight.yang.gen.v1.urn
 202                     .onf.otcc.yang.tapi.connectivity.rev181210.create.connectivity.service.input.EndPoint> endPoints) {
 203         Map<EndPointKey, EndPoint> endPointMap = new HashMap<>();
 204         for (org.opendaylight.yang.gen.v1.urn
 205                 .onf.otcc.yang.tapi.connectivity.rev181210.create.connectivity.service.input.EndPoint ep:
 206                 endPoints.values()) {
 207             EndPoint endpoint = new EndPointBuilder()
 208                 .setServiceInterfacePoint(new ServiceInterfacePointBuilder()
 209                     .setServiceInterfacePointUuid(ep.getServiceInterfacePoint().getServiceInterfacePointUuid())
 210                     .build())
 211                 .setName(ep.getName())
 212                 .setAdministrativeState(ep.getAdministrativeState())
 213                 .setDirection(ep.getDirection())
 214                 .setLifecycleState(ep.getLifecycleState())
 215                 .setOperationalState(ep.getOperationalState())
 216                 .setLayerProtocolName(ep.getLayerProtocolName())
 217                 .setCapacity(new CapacityBuilder()
 218                     .setTotalSize(new TotalSizeBuilder().build())
 219                     .setBandwidthProfile(new BandwidthProfileBuilder().build()) // TODO: implement bandwidth profile
 220                     .build())
 221                 .setProtectionRole(ep.getProtectionRole())
 222                 .setRole(ep.getRole())
 223                 .setLocalId(ep.getLocalId())
 224                 .build();
 225             endPointMap.put(endpoint.key(), endpoint);
 226         }
 227         return endPointMap;
 228     }
 229
 230     @Override
 231     public ListenableFuture<RpcResult<GetConnectivityServiceDetailsOutput>> getConnectivityServiceDetails(
 232             GetConnectivityServiceDetailsInput input) {
 233         // TODO Auto-generated method stub
 234         Uuid serviceUuid = getUuidFromIput(input.getServiceIdOrName());
 235         ConnectivityService service = this.tapiContext.getConnectivityService(serviceUuid);
 236         if (service == null) {
 237             LOG.error("Service {} doesnt exist in tapi context", input.getServiceIdOrName());
 238             return RpcResultBuilder.<GetConnectivityServiceDetailsOutput>failed().withError(RpcError.ErrorType.RPC,
 239                     "Service doesnt exist in datastore").buildFuture();
 240         }
 241         return RpcResultBuilder.success(new GetConnectivityServiceDetailsOutputBuilder().setService(
 242             new org.opendaylight.yang.gen.v1.urn
 243                 .onf.otcc.yang.tapi.connectivity.rev181210.get.connectivity.service.details.output.ServiceBuilder(
 244                     service).build()).build()).buildFuture();
 245     }
 246
 247     @Override
 248     public ListenableFuture<RpcResult<UpdateConnectivityServiceOutput>> updateConnectivityService(
 249             UpdateConnectivityServiceInput input) {
 250         // TODO Auto-generated method stub. More complicated as it depends on what needs to be updated... left aside
 251         return null;
 252     }
 253
 254     @Override
 255     public ListenableFuture<RpcResult<GetConnectionDetailsOutput>> getConnectionDetails(
 256             GetConnectionDetailsInput input) {
 257         // TODO Auto-generated method stub
 258         Uuid connectionUuid = getUuidFromIput(input.getConnectionIdOrName());
 259         Connection connection = this.tapiContext.getConnection(connectionUuid);
 260         if (connection == null) {
 261             LOG.error("Connection {} doesnt exist in tapi context", input.getConnectionIdOrName());
 262             return RpcResultBuilder.<GetConnectionDetailsOutput>failed().withError(RpcError.ErrorType.RPC,
 263                     "Connection doesnt exist in datastore").buildFuture();
 264         }
 265         return RpcResultBuilder.success(new GetConnectionDetailsOutputBuilder().setConnection(
 266                 new ConnectionBuilder(connection).build()).build()).buildFuture();
 267     }
 268
 269     @Override
 270     public ListenableFuture<RpcResult<DeleteConnectivityServiceOutput>> deleteConnectivityService(
 271             DeleteConnectivityServiceInput input) {
 272         //TODO Auto-generated method stub
 273         // TODO add try
 274         if (input.getServiceIdOrName() != null) {
 275             try {
 276                 Uuid serviceUuid = getUuidFromIput(input.getServiceIdOrName());
 277                 this.tapiContext.deleteConnectivityService(serviceUuid);
 278                 ListenableFuture<RpcResult<ServiceDeleteOutput>> output =
 279                     this.serviceHandler.serviceDelete(new ServiceDeleteInputBuilder()
 280                         .setServiceDeleteReqInfo(new ServiceDeleteReqInfoBuilder()
 281                             .setServiceName(input.getServiceIdOrName())
 282                             .setTailRetention(ServiceDeleteReqInfo.TailRetention.No)
 283                             .build())
 284                         .setSdncRequestHeader(new SdncRequestHeaderBuilder()
 285                             .setRequestId("request-1")
 286                             .setRpcAction(RpcActions.ServiceDelete)
 287                             .setNotificationUrl("notification url")
 288                             .setRequestSystemId("appname")
 289                             .build())
 290                         .build());
 291                 RpcResult<ServiceDeleteOutput> rpcResult = output.get();
 292                 if (!rpcResult.getResult().getConfigurationResponseCommon().getResponseCode()
 293                         .equals(ResponseCodes.RESPONSE_FAILED)) {
 294                     LOG.info("Service is being deleted and devices are being rolled back");
 295                     return RpcResultBuilder.success(new DeleteConnectivityServiceOutputBuilder().build()).buildFuture();
 296                 }
 297                 LOG.error("Failed to delete service. Deletion process failed");
 298             } catch (InterruptedException | ExecutionException e) {
 299                 LOG.error("Failed to delete service.", e);
 300             }
 301         }
 302         return RpcResultBuilder.<DeleteConnectivityServiceOutput>failed().withError(RpcError.ErrorType.RPC,
 303             "Failed to delete Service").buildFuture();
 304     }
 305
 306     @Override
 307     public ListenableFuture<RpcResult<GetConnectivityServiceListOutput>> getConnectivityServiceList(
 308             GetConnectivityServiceListInput input) {
 309         // TODO Auto-generated method stub
 310         Map<ConnectivityServiceKey, ConnectivityService> connMap = this.tapiContext.getConnectivityServices();
 311         if (connMap == null) {
 312             LOG.error("No services in tapi context");
 313             return RpcResultBuilder.<GetConnectivityServiceListOutput>failed().withError(RpcError.ErrorType.RPC,
 314                     "No services exist in datastore").buildFuture();
 315         }
 316
 317         Map<ServiceKey, Service> serviceMap = new HashMap<>();
 318         for (ConnectivityService connectivityService: connMap.values()) {
 319             Service service = new org.opendaylight.yang.gen.v1.urn
 320                 .onf.otcc.yang.tapi.connectivity.rev181210.get.connectivity.service.list.output.ServiceBuilder(
 321                     connectivityService).build();
 322             serviceMap.put(service.key(), service);
 323         }
 324         return RpcResultBuilder.success(new GetConnectivityServiceListOutputBuilder().setService(serviceMap)
 325             .build()).buildFuture();
 326     }
 327
 328     @Override
 329     public ListenableFuture<RpcResult<GetConnectionEndPointDetailsOutput>> getConnectionEndPointDetails(
 330             GetConnectionEndPointDetailsInput input) {
 331         // TODO Auto-generated method stub
 332         Uuid topoUuid = getUuidFromIput(input.getTopologyIdOrName());
 333         Uuid nodeUuid = getUuidFromIput(input.getNodeIdOrName());
 334         Uuid nepUuid = getUuidFromIput(input.getNepIdOrName());
 335         Uuid cepUuid = getUuidFromIput(input.getCepIdOrName());
 336         ConnectionEndPoint cep = this.tapiContext.getTapiCEP(topoUuid, nodeUuid, nepUuid, cepUuid);
 337         if (cep == null) {
 338             LOG.error("Cep doesnt exist in tapi context");
 339             return RpcResultBuilder.<GetConnectionEndPointDetailsOutput>failed().withError(RpcError.ErrorType.RPC,
 340                     "No cep with given Uuid exists in datastore").buildFuture();
 341         }
 342         return RpcResultBuilder.success(new GetConnectionEndPointDetailsOutputBuilder().setConnectionEndPoint(
 343             new ConnectionEndPointBuilder(cep).build()).build()).buildFuture();
 344     }
 345
 346     private Uuid getUuidFromIput(String serviceIdOrName) {
 347         try {
 348             UUID.fromString(serviceIdOrName);
 349             LOG.info("Given attribute {} is a UUID", serviceIdOrName);
 350             return new Uuid(serviceIdOrName);
 351         } catch (IllegalArgumentException e) {
 352             LOG.info("Given attribute {} is not a UUID", serviceIdOrName);
 353             return new Uuid(UUID.nameUUIDFromBytes(serviceIdOrName.getBytes(StandardCharsets.UTF_8)).toString());
 354         }
 355     }
 356 }