renderers/vpp/src/test/java/org/opendaylight/groupbasedpolicy/renderer/vpp/DtoFactory.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, 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.groupbasedpolicy.renderer.vpp;
   9
  10 import java.util.Arrays;
  11 import java.util.List;
  12 import java.util.stream.Collectors;
  13 import java.util.stream.Stream;
  14
  15 import org.opendaylight.groupbasedpolicy.api.sf.AllowActionDefinition;
  16 import org.opendaylight.groupbasedpolicy.api.sf.EtherTypeClassifierDefinition;
  17 import org.opendaylight.groupbasedpolicy.renderer.vpp.iface.VppPathMapper;
  18 import org.opendaylight.groupbasedpolicy.renderer.vpp.util.KeyFactory;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.common.endpoint.fields.NetworkContainment;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.common.endpoint.fields.NetworkContainmentBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.common.endpoint.fields.network.containment.containment.ForwardingContextContainmentBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.has.absolute.location.AbsoluteLocation;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.has.absolute.location.AbsoluteLocationBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.has.absolute.location.absolute.location.location.type.ExternalLocationCaseBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.has.child.endpoints.ChildEndpointBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.has.child.endpoints.ChildEndpointKey;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.ActionName;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.ClassifierName;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.ContextId;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.ContractId;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.Name;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.NetworkDomainId;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.ParameterName;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.RuleName;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.SubjectName;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.TenantId;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.l2_l3.rev170511.IpPrefixType;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.l2_l3.rev170511.L2BridgeDomain;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.l2_l3.rev170511.L2FloodDomain;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.l2_l3.rev170511.L3Context;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.l2_l3.rev170511.MacAddressType;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.l2_l3.rev170511.Subnet;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.l2_l3.rev170511.SubnetAugmentRenderer;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.l2_l3.rev170511.SubnetAugmentRendererBuilder;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.l2_l3.rev170511.has.subnet.SubnetBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.rev160427.ContextType;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.rev160427.forwarding.fields.Parent;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.rev160427.forwarding.fields.ParentBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.HasDirection.Direction;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.subject.feature.instance.ParameterValue;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.subject.feature.instance.ParameterValueBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.EndpointPolicyParticipation;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.has.rule.group.with.renderer.endpoint.participation.RuleGroupWithRendererEndpointParticipation;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.has.rule.group.with.renderer.endpoint.participation.RuleGroupWithRendererEndpointParticipationBuilder;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.Configuration;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.ConfigurationBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.Endpoints;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.EndpointsBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.RendererEndpointsBuilder;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.RendererForwardingBuilder;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.RuleGroups;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.RuleGroupsBuilder;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.endpoints.AddressEndpointWithLocation;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.endpoints.AddressEndpointWithLocationBuilder;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.endpoints.AddressEndpointWithLocationKey;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.renderer.endpoints.RendererEndpoint;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.renderer.endpoints.RendererEndpointBuilder;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.renderer.endpoints.renderer.endpoint.PeerEndpoint;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.renderer.endpoints.renderer.endpoint.PeerEndpointBuilder;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.renderer.forwarding.RendererForwardingByTenant;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.renderer.forwarding.RendererForwardingByTenantBuilder;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.renderer.forwarding.renderer.forwarding.by.tenant.RendererForwardingContext;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.renderer.forwarding.renderer.forwarding.by.tenant.RendererForwardingContextBuilder;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.renderer.forwarding.renderer.forwarding.by.tenant.RendererNetworkDomain;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.renderer.forwarding.renderer.forwarding.by.tenant.RendererNetworkDomainBuilder;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.rule.groups.RuleGroup;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.policy.configuration.rule.groups.RuleGroupBuilder;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.actions.Action;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.actions.ActionBuilder;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.classifiers.Classifier;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.classifiers.ClassifierBuilder;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.resolved.rules.ResolvedRule;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.resolved.policy.rev150828.has.resolved.rules.ResolvedRuleBuilder;
  88 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  89 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  90 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  91 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  92 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  93 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  94 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  95 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  96
  97 import com.google.common.base.Strings;
  98 import com.google.common.collect.ImmutableList;
  99 import com.google.common.collect.Lists;
 100
 101 public class DtoFactory {
 102
 103     static IpPrefix subnetPrefix = new IpPrefix(new Ipv4Prefix("10.0.0.0/24"));
 104     static IpAddress virtRouterIp = new IpAddress(new Ipv4Address("10.0.0.1"));
 105
 106     public static final ContextId CTX_ID = new ContextId("ctx");
 107     public static final ContextId L3_CTX = new ContextId("l3ctx");
 108     public static final ContextId L2BD_CTX = new ContextId("l2bd");
 109     public static final ContextId L2FD_CTX = new ContextId("l2fd");
 110     public static final ContractId CONTRACT_ID = new ContractId("contract");
 111     public static final TenantId TENANT_ID = new TenantId("tenant");
 112     public static final SubjectName SUBJECT_NAME = new SubjectName("subject");
 113     public static final RuleName RULE_NAME = new RuleName("rule");
 114
 115     public static final Name L2_FD_ID = new Name("l2fd");
 116     public static final Name L3_CTX_ID = new Name("l3ctx");
 117     public static final Name L2_BD_ID = new Name("l2bd");
 118     public static final Name SUBNET_ID = new Name("subnetId");
 119
 120     public static final RuleGroupWithRendererEndpointParticipation RULE_GROUP_WITH_CONSUMER =
 121             new RuleGroupWithRendererEndpointParticipationBuilder().setContractId(CONTRACT_ID)
 122                 .setTenantId(TENANT_ID)
 123                 .setSubjectName(SUBJECT_NAME)
 124                 .setRendererEndpointParticipation(EndpointPolicyParticipation.CONSUMER)
 125                 .build();
 126     public static final RuleGroupWithRendererEndpointParticipation RULE_GROUP_WITH_PROVIDER =
 127             new RuleGroupWithRendererEndpointParticipationBuilder().setContractId(CONTRACT_ID)
 128                 .setTenantId(TENANT_ID)
 129                 .setSubjectName(SUBJECT_NAME)
 130                 .setRendererEndpointParticipation(EndpointPolicyParticipation.PROVIDER)
 131                 .build();
 132     public final static TopologyKey TOPO_KEY = new TopologyKey(new TopologyId("topology-netconf"));
 133     public final static InstanceIdentifier<Node> VPP_NODE_1_IID = InstanceIdentifier.builder(NetworkTopology.class)
 134         .child(Topology.class, TOPO_KEY)
 135         .child(Node.class, new NodeKey(new NodeId("node1")))
 136         .build();
 137     public final static InstanceIdentifier<Node> VPP_NODE_2_IID = InstanceIdentifier.builder(NetworkTopology.class)
 138         .child(Topology.class, TOPO_KEY)
 139         .child(Node.class, new NodeKey(new NodeId("node2")))
 140         .build();
 141
 142     public static Configuration createConfiguration(List<AddressEndpointWithLocation> consumers,
 143             List<AddressEndpointWithLocation> providers) {
 144         List<AddressEndpointWithLocation> eps =
 145                 Stream.concat(consumers.stream(), providers.stream()).collect(Collectors.toList());
 146         Endpoints endpoints = new EndpointsBuilder().setAddressEndpointWithLocation(eps).build();
 147         List<RendererEndpoint> consumersAsRendererEps = consumers.stream().map(cons -> {
 148             List<PeerEndpoint> peers = providers.stream()
 149                 .map(web -> new PeerEndpointBuilder().setKey(KeyFactory.peerEndpointKey(web.getKey()))
 150                     .setRuleGroupWithRendererEndpointParticipation(Arrays.asList(RULE_GROUP_WITH_CONSUMER))
 151                     .build())
 152                 .collect(Collectors.toList());
 153             return new RendererEndpointBuilder().setKey(KeyFactory.rendererEndpointKey(cons.getKey()))
 154                 .setPeerEndpoint(peers)
 155                 .build();
 156         }).collect(Collectors.toList());
 157         List<RendererEndpoint> providersAsRendererEps = providers.stream().map(prov -> {
 158             List<PeerEndpoint> peers = consumers.stream()
 159                 .map(client -> new PeerEndpointBuilder().setKey(KeyFactory.peerEndpointKey(client.getKey()))
 160                     .setRuleGroupWithRendererEndpointParticipation(Arrays.asList(RULE_GROUP_WITH_PROVIDER))
 161                     .build())
 162                 .collect(Collectors.toList());
 163             return new RendererEndpointBuilder().setKey(KeyFactory.rendererEndpointKey(prov.getKey()))
 164                 .setPeerEndpoint(peers)
 165                 .build();
 166         }).collect(Collectors.toList());
 167         List<RendererEndpoint> rendererEps = Stream
 168             .concat(consumersAsRendererEps.stream(), providersAsRendererEps.stream()).collect(Collectors.toList());
 169         return new ConfigurationBuilder().setEndpoints(endpoints)
 170             .setRendererEndpoints(new RendererEndpointsBuilder().setRendererEndpoint(rendererEps).build())
 171             .setRuleGroups(new RuleGroupsBuilder(createRuleGroups()).build())
 172             .setRendererForwarding(new RendererForwardingBuilder()
 173                 .setRendererForwardingByTenant(ImmutableList.<RendererForwardingByTenant>of(createForwarding()))
 174                 .build())
 175             .build();
 176     }
 177
 178     private static RendererForwardingByTenant createForwarding() {
 179         RendererForwardingContext l2Fd = createRendererForwardingCtx(L2FD_CTX, L2_FD_ID, L2FloodDomain.class)
 180             .setParent(createParent(L2BD_CTX, L2BridgeDomain.class)).build();
 181         RendererForwardingContext l2Bd = createRendererForwardingCtx(L3_CTX, L3_CTX_ID, L3Context.class)
 182             .setParent(createParent(L3_CTX, L3Context.class)).build();
 183         RendererForwardingContext l3Ctx = createRendererForwardingCtx(L2BD_CTX, L2_BD_ID, L2BridgeDomain.class).build();
 184         RendererNetworkDomain subnet =
 185                 new RendererNetworkDomainBuilder().setNetworkDomainId(new NetworkDomainId(SUBNET_ID.getValue()))
 186                     .setName(SUBNET_ID)
 187                     .setNetworkDomainType(Subnet.class)
 188                     .setParent(createParent(L2FD_CTX, L2FloodDomain.class))
 189                     .addAugmentation(SubnetAugmentRenderer.class,
 190                             new SubnetAugmentRendererBuilder().setSubnet(new SubnetBuilder().setIpPrefix(subnetPrefix)
 191                                 .setVirtualRouterIp(virtRouterIp)
 192                                 .setIsTenant(true)
 193                                 .build()).build())
 194                     .build();
 195         return new RendererForwardingByTenantBuilder().setTenantId(TENANT_ID)
 196             .setRendererForwardingContext(ImmutableList.<RendererForwardingContext>of(l2Fd, l2Bd, l3Ctx))
 197             .setRendererNetworkDomain(ImmutableList.<RendererNetworkDomain>of(subnet))
 198             .build();
 199     }
 200
 201     static RendererForwardingContextBuilder createRendererForwardingCtx(ContextId id, Name name,
 202             Class<? extends ContextType> type) {
 203         return new RendererForwardingContextBuilder().setName(name).setContextId(id).setContextType(type);
 204     }
 205
 206     static Parent createParent(ContextId ctxId, Class<? extends ContextType> type) {
 207         return new ParentBuilder().setContextId(ctxId).setContextType(type).build();
 208     }
 209
 210     public static RuleGroups createRuleGroups() {
 211         ParameterValue param = new ParameterValueBuilder().setIntValue(EtherTypeClassifierDefinition.IPv4_VALUE)
 212             .setName(new ParameterName(EtherTypeClassifierDefinition.ETHERTYPE_PARAM))
 213             .build();
 214         Classifier classif = new ClassifierBuilder().setClassifierDefinitionId(EtherTypeClassifierDefinition.ID)
 215             .setDirection(Direction.In)
 216             .setName(new ClassifierName("cl-name"))
 217             .setParameterValue(ImmutableList.<ParameterValue>of(param))
 218             .build();
 219         Action action = new ActionBuilder().setActionDefinitionId(AllowActionDefinition.ID)
 220             .setName(new ActionName("Allow"))
 221             .build();
 222         ResolvedRuleBuilder rrBuilder = new ResolvedRuleBuilder();
 223         rrBuilder.setClassifier(ImmutableList.<Classifier>of(classif));
 224         rrBuilder.setAction(ImmutableList.<Action>of(action));
 225         rrBuilder.setName(RULE_NAME);
 226         rrBuilder.setOrder(0);
 227         RuleGroup ruleGroup = new RuleGroupBuilder().setTenantId(TENANT_ID)
 228             .setOrder(0)
 229             .setSubjectName(SUBJECT_NAME)
 230             .setContractId(CONTRACT_ID)
 231             .setResolvedRule(ImmutableList.<ResolvedRule>of(rrBuilder.build()))
 232             .build();
 233         return new RuleGroupsBuilder().setRuleGroup(ImmutableList.<RuleGroup>of(ruleGroup)).build();
 234     }
 235
 236     public static AddressEndpointWithLocation createEndpoint(String ip, String mac, String l2FdIdAsNetCont,
 237             AbsoluteLocation absoluteLocation) {
 238         AddressEndpointWithLocationKey key =
 239                 new AddressEndpointWithLocationKey(ip, IpPrefixType.class, CTX_ID, L3Context.class);
 240         NetworkContainment networkContainment =
 241                 new NetworkContainmentBuilder().setContainment(new ForwardingContextContainmentBuilder()
 242                     .setContextType(L2FloodDomain.class).setContextId(new ContextId(l2FdIdAsNetCont)).build()).build();
 243         return new AddressEndpointWithLocationBuilder().setKey(key)
 244             .setChildEndpoint(Lists.newArrayList(new ChildEndpointBuilder()
 245                 .setKey(new ChildEndpointKey(mac, MacAddressType.class, L2BD_CTX, L2BridgeDomain.class)).build()))
 246             .setNetworkContainment(networkContainment)
 247             .setAbsoluteLocation(absoluteLocation)
 248             .setTenant(new TenantId(TENANT_ID))
 249             .build();
 250     }
 251
 252     public static AbsoluteLocation absoluteLocation(InstanceIdentifier<?> mountPoint, String nodeName,
 253             String nodeConnectorName) {
 254         ExternalLocationCaseBuilder extLocBuilder =
 255                 new ExternalLocationCaseBuilder().setExternalNodeMountPoint(mountPoint);
 256         if (!Strings.isNullOrEmpty(nodeName)) {
 257             extLocBuilder.setExternalNode(VppPathMapper.bridgeDomainToRestPath(nodeName));
 258         }
 259         if (!Strings.isNullOrEmpty(nodeConnectorName)) {
 260             extLocBuilder.setExternalNodeConnector(VppPathMapper.interfaceToRestPath(nodeConnectorName));
 261         }
 262         return new AbsoluteLocationBuilder().setLocationType(extLocBuilder.build()).build();
 263     }
 264 }