neutron-mapper/src/main/java/org/opendaylight/groupbasedpolicy/neutron/mapper/mapping/NeutronPortAware.java

   1 /*
   2  * Copyright (c) 2015 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.neutron.mapper.mapping;
   9
  10 import static com.google.common.base.Preconditions.checkNotNull;
  11
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import java.util.Set;
  15
  16 import javax.annotation.Nullable;
  17
  18 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  19 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  20 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  22 import org.opendaylight.groupbasedpolicy.domain_extension.l2_l3.util.L2L3IidFactory;
  23 import org.opendaylight.groupbasedpolicy.neutron.gbp.util.NeutronGbpIidFactory;
  24 import org.opendaylight.groupbasedpolicy.neutron.mapper.EndpointRegistrator;
  25 import org.opendaylight.groupbasedpolicy.neutron.mapper.infrastructure.NetworkClient;
  26 import org.opendaylight.groupbasedpolicy.neutron.mapper.infrastructure.NetworkService;
  27 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.MappingUtils;
  28 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.PortUtils;
  29 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.SubnetUtils;
  30 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
  31 import org.opendaylight.groupbasedpolicy.util.IidFactory;
  32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
  33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.RegisterEndpointInput;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.RegisterEndpointInputBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.UnregisterEndpointInput;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.UnregisterEndpointInputBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.common.endpoint.fields.NetworkContainmentBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.common.endpoint.fields.network.containment.containment.NetworkDomainContainmentBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.endpoints.address.endpoints.AddressEndpointKey;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.has.child.endpoints.ChildEndpoint;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.has.child.endpoints.ChildEndpointBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.parent.child.endpoints.parent.endpoint.choice.ParentEndpointCaseBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.parent.child.endpoints.parent.endpoint.choice.parent.endpoint._case.ParentEndpoint;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.parent.child.endpoints.parent.endpoint.choice.parent.endpoint._case.ParentEndpointBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.register.endpoint.input.AddressEndpointReg;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.register.endpoint.input.AddressEndpointRegBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.unregister.endpoint.input.AddressEndpointUnreg;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.unregister.endpoint.input.AddressEndpointUnregBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.ContextId;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.EndpointGroupId;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.L2BridgeDomainId;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.L3ContextId;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.NetworkDomainId;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.TenantId;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.UniqueId;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoint.fields.L3Address;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoint.fields.L3AddressBuilder;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointKey;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.unregister.endpoint.input.L2;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.unregister.endpoint.input.L2Builder;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.unregister.endpoint.input.L3;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.unregister.endpoint.input.L3Builder;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.l2_l3.rev160427.IpPrefixType;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.l2_l3.rev160427.L3Context;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.l2_l3.rev160427.MacAddressType;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.rev160427.forwarding.forwarding.by.tenant.ForwardingContext;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.rev160427.forwarding.forwarding.by.tenant.ForwardingContextBuilder;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.rev160427.forwarding.forwarding.by.tenant.NetworkDomain;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.gbp.by.neutron.mappings.base.endpoints.by.ports.BaseEndpointByPort;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.gbp.by.neutron.mappings.endpoints.by.ports.EndpointByPort;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.neutron.by.gbp.mappings.ports.by.base.endpoints.PortByBaseEndpoint;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.neutron.by.gbp.mappings.ports.by.base.endpoints.PortByBaseEndpointKey;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.neutron.by.gbp.mappings.ports.by.endpoints.PortByEndpoint;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.forwarding.context.L2BridgeDomain;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.forwarding.context.L2BridgeDomainBuilder;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.binding.rev150712.PortBindingExtension;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.port.attributes.FixedIps;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.Ports;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.Port;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.subnets.rev150712.subnets.attributes.subnets.Subnet;
  83 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  84 import org.slf4j.Logger;
  85 import org.slf4j.LoggerFactory;
  86
  87 import com.google.common.base.Optional;
  88 import com.google.common.collect.ImmutableList;
  89
  90 public class NeutronPortAware implements NeutronAware<Port> {
  91
  92     private static final Logger LOG = LoggerFactory.getLogger(NeutronPortAware.class);
  93     public static final InstanceIdentifier<Port> PORT_WILDCARD_IID =
  94             InstanceIdentifier.builder(Neutron.class).child(Ports.class).child(Port.class).build();
  95     private final DataBroker dataProvider;
  96     private final EndpointRegistrator epRegistrator;
  97
  98     public NeutronPortAware(DataBroker dataProvider, EndpointRegistrator epRegistrator) {
  99         this.dataProvider = checkNotNull(dataProvider);
 100         this.epRegistrator = checkNotNull(epRegistrator);
 101     }
 102
 103     @Override public void onCreated(Port createdItem, Neutron neutron) {
 104         onCreated(createdItem, neutron, true);
 105     }
 106
 107     public void onCreated(Port port, Neutron neutron, boolean addBaseEpMapping) {
 108         LOG.trace("created port - {}", port);
 109         if (PortUtils.isRouterInterfacePort(port)) {
 110             LOG.trace("Port is router interface port: {}", port.getUuid().getValue());
 111             // router interface port can have only one IP
 112             Optional<FixedIps> potentialPortIpWithSubnet = PortUtils.resolveFirstFixedIps(port);
 113             if (!potentialPortIpWithSubnet.isPresent()) {
 114                 LOG.warn("Illegal state - router interface port does not contain fixed IPs {}",
 115                         port);
 116                 return;
 117             }
 118             FixedIps portIpWithSubnet = potentialPortIpWithSubnet.get();
 119             ContextId routerL3Context = new ContextId(port.getDeviceId());
 120             ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
 121
 122             AddressEndpointKey addrEpKey = new AddressEndpointKey(port.getMacAddress().getValue(),
 123                 MacAddressType.class, new ContextId(port.getNetworkId().getValue()), MappingUtils.L2_BRDIGE_DOMAIN);
 124             UniqueId portId = new UniqueId(port.getUuid().getValue());
 125             addBaseEndpointMappings(addrEpKey, portId, rwTx);
 126
 127             // Add Qrouter and VPProuter port as Endpoint
 128             if (port.getAugmentation(PortBindingExtension.class) != null &&
 129                 PortUtils.DEVICE_VIF_TYPE.equals(port.getAugmentation(PortBindingExtension.class).getVifType())) {
 130                 LOG.trace("Port is QRouter port: {}", port.getUuid().getValue());
 131                 Optional<FixedIps> firstFixedIps = PortUtils.resolveFirstFixedIps(port);
 132                 if (!firstFixedIps.isPresent()) {
 133                     LOG.warn("QRouter port does not have an IP address. {}", port);
 134                     return;
 135                 }
 136
 137                 FixedIps ipWithSubnet = firstFixedIps.get();
 138                 NetworkDomainId networkContainment = new NetworkDomainId(ipWithSubnet.getSubnetId().getValue());
 139                 List<EndpointGroupId> epgsFromSecGroups = resolveEpgIdsFromSecGroups(port.getSecurityGroups());
 140                 epgsFromSecGroups.add(NetworkService.EPG_ID);
 141
 142                 // BUILD BASE ENDPOINT
 143                 AddressEndpointRegBuilder l2BaseEp = createBasicMacAddrEpInputBuilder(port, networkContainment,
 144                     epgsFromSecGroups);
 145                 AddressEndpointRegBuilder l3BaseEp = createBasicL3AddrEpInputBuilder(port, networkContainment,
 146                     epgsFromSecGroups, neutron);
 147                 setParentChildRelationshipForEndpoints(l3BaseEp, l2BaseEp);
 148
 149                 // BUILD ENDPOINT
 150                 org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.RegisterEndpointInputBuilder
 151                     epInBuilder =
 152                     createEndpointRegFromPort(
 153                         port, ipWithSubnet, networkContainment, epgsFromSecGroups, neutron);
 154                 registerBaseEndpointAndStoreMapping(
 155                     ImmutableList.of(l2BaseEp.build(), l3BaseEp.build()), port, rwTx, addBaseEpMapping);
 156                 registerEndpointAndStoreMapping(epInBuilder.build(), port, rwTx);
 157             }
 158
 159             // change L3Context for all EPs with same subnet as router port
 160             changeL3ContextForEpsInSubnet(portIpWithSubnet.getSubnetId(), neutron);
 161             // set L3Context as parent for bridge domain which is parent of subnet
 162             TenantId tenantId = new TenantId(port.getTenantId().getValue());
 163             Optional<Subnet> potentialRouterPortSubnet = SubnetUtils.findSubnet(portIpWithSubnet.getSubnetId(), neutron.getSubnets());
 164             if (!potentialRouterPortSubnet.isPresent()) {
 165                 LOG.warn("Illegal state - router interface port is in subnet which does not exist. {}",
 166                         port);
 167                 return;
 168             }
 169             Subnet routerPortSubnet = potentialRouterPortSubnet.get();
 170             ContextId l2BdId = new ContextId(routerPortSubnet.getNetworkId().getValue());
 171             ForwardingContext l2Bd = new ForwardingContextBuilder().setContextId(l2BdId)
 172                 .setContextType(MappingUtils.L2_BRDIGE_DOMAIN)
 173                 .setParent(MappingUtils.createParent(routerL3Context, MappingUtils.L3_CONTEXT))
 174                 .build();
 175             rwTx.merge(LogicalDatastoreType.CONFIGURATION, L2L3IidFactory.l2BridgeDomainIid(tenantId, l2BdId), l2Bd, true);
 176             // set virtual router IP for subnet
 177             NetworkDomain subnetDomain = NeutronSubnetAware.createSubnet(
 178                     routerPortSubnet, portIpWithSubnet.getIpAddress());
 179             rwTx.merge(LogicalDatastoreType.CONFIGURATION, L2L3IidFactory.subnetIid(tenantId, subnetDomain.getNetworkDomainId()), subnetDomain);
 180
 181             // does the same for tenant forwarding domains
 182             processTenantForwarding(routerPortSubnet, routerL3Context, portIpWithSubnet, tenantId, rwTx);
 183
 184             DataStoreHelper.submitToDs(rwTx);
 185         } else if (PortUtils.isDhcpPort(port)) {
 186             // process as normal port but put it to DHCP group
 187             LOG.trace("Port is DHCP port: {}", port.getUuid().getValue());
 188             Optional<FixedIps> firstFixedIps = PortUtils.resolveFirstFixedIps(port);
 189             if (!firstFixedIps.isPresent()) {
 190                 LOG.warn("DHCP port does not have an IP address. {}", port);
 191                 return;
 192             }
 193             FixedIps ipWithSubnet = firstFixedIps.get();
 194             NetworkDomainId networkContainment = new NetworkDomainId(ipWithSubnet.getSubnetId().getValue());
 195             List<EndpointGroupId> epgsFromSecGroups = resolveEpgIdsFromSecGroups(port.getSecurityGroups());
 196             epgsFromSecGroups.add(NetworkService.EPG_ID);
 197
 198             // BUILD BASE ENDPOINT
 199             AddressEndpointRegBuilder l2BaseEp = createBasicMacAddrEpInputBuilder(port, networkContainment,
 200                     epgsFromSecGroups);
 201             AddressEndpointRegBuilder l3BaseEp = createBasicL3AddrEpInputBuilder(port, networkContainment,
 202                     epgsFromSecGroups, neutron);
 203             setParentChildRelationshipForEndpoints(l3BaseEp, l2BaseEp);
 204
 205             // BUILD ENDPOINT
 206             org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.RegisterEndpointInputBuilder epInBuilder = createEndpointRegFromPort(
 207                     port, ipWithSubnet, networkContainment, epgsFromSecGroups, neutron);
 208
 209             ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
 210             registerBaseEndpointAndStoreMapping(
 211                     ImmutableList.of(l2BaseEp.build(), l3BaseEp.build()), port, rwTx, addBaseEpMapping);
 212             registerEndpointAndStoreMapping(epInBuilder.build(), port, rwTx);
 213             DataStoreHelper.submitToDs(rwTx);
 214         } else if (PortUtils.isNormalPort(port)) {
 215             LOG.trace("Port is normal port: {}", port.getUuid().getValue());
 216             org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.RegisterEndpointInputBuilder epInBuilder = null;
 217             AddressEndpointRegBuilder l2BaseEp;
 218             AddressEndpointRegBuilder l3BaseEp = null;
 219             Optional<FixedIps> firstFixedIps = PortUtils.resolveFirstFixedIps(port);
 220             List<EndpointGroupId> epgsFromSecGroups = resolveEpgIdsFromSecGroups(port.getSecurityGroups());
 221             epgsFromSecGroups.add(NetworkClient.EPG_ID);
 222             if (firstFixedIps.isPresent()) {
 223                 // endpoint has only one network containment therefore only first IP is used
 224                 FixedIps ipWithSubnet = firstFixedIps.get();
 225                 NetworkDomainId containment = new NetworkDomainId(ipWithSubnet.getSubnetId().getValue());
 226                 epInBuilder = createEndpointRegFromPort(port, ipWithSubnet, containment, epgsFromSecGroups, neutron);
 227                 l2BaseEp = createBasicMacAddrEpInputBuilder(port,
 228                         containment, epgsFromSecGroups);
 229                 l3BaseEp = createBasicL3AddrEpInputBuilder(port, containment, epgsFromSecGroups, neutron);
 230                 setParentChildRelationshipForEndpoints(l3BaseEp, l2BaseEp);
 231             } else {
 232                 NetworkDomainId containment = new NetworkDomainId(port.getNetworkId().getValue());
 233                 epInBuilder = createEndpointRegFromPort(port, null, containment, epgsFromSecGroups, neutron);
 234                 l2BaseEp = createBasicMacAddrEpInputBuilder(port, containment, epgsFromSecGroups);
 235             }
 236             List<AddressEndpointReg> baseEpRegs = new ArrayList<>();
 237             baseEpRegs.add(l2BaseEp.build());
 238             if (l3BaseEp != null) {
 239                 baseEpRegs.add(l3BaseEp.build());
 240             }
 241             ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
 242             registerBaseEndpointAndStoreMapping(baseEpRegs, port, rwTx, addBaseEpMapping);
 243             registerEndpointAndStoreMapping(epInBuilder.build(), port, rwTx);
 244             DataStoreHelper.submitToDs(rwTx);
 245         } else if (PortUtils.isRouterGatewayPort(port)) {
 246             // do nothing because actual trigger is attaching of port to router
 247             LOG.trace("Port is router gateway port: {}", port.getUuid().getValue());
 248         } else if (PortUtils.isFloatingIpPort(port)) {
 249             // do nothing because trigger is floating IP
 250             LOG.trace("Port is floating ip: {}", port.getUuid().getValue());
 251         } else {
 252             LOG.warn("Unknown port: {}", port);
 253         }
 254     }
 255
 256     private void setParentChildRelationshipForEndpoints(AddressEndpointRegBuilder parentEp,
 257             AddressEndpointRegBuilder childEp) {
 258         childEp.setParentEndpointChoice(new ParentEndpointCaseBuilder().setParentEndpoint(
 259                 ImmutableList.<ParentEndpoint>of(createParentEndpoint(parentEp))).build());
 260         parentEp.setChildEndpoint(ImmutableList.<ChildEndpoint>of(createChildEndpoint(childEp)));
 261     }
 262
 263     @Deprecated
 264     private void processTenantForwarding(Subnet routerPortSubnet, ContextId routerL3Context, FixedIps portIpWithSubnet,
 265             TenantId tenantId, ReadWriteTransaction rwTx) {
 266         L2BridgeDomainId l2BdId = new L2BridgeDomainId(routerPortSubnet.getNetworkId().getValue());
 267         L2BridgeDomain l2Bd = new L2BridgeDomainBuilder().setId(l2BdId).setParent(new L3ContextId(routerL3Context)).build();
 268         rwTx.merge(LogicalDatastoreType.CONFIGURATION, IidFactory.l2BridgeDomainIid(tenantId, l2BdId), l2Bd, true);
 269         // set virtual router IP for subnet
 270         org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.forwarding.context.Subnet subnet = NeutronSubnetAware.createTenantSubnet(
 271                 routerPortSubnet, portIpWithSubnet.getIpAddress());
 272         rwTx.merge(LogicalDatastoreType.CONFIGURATION, IidFactory.subnetIid(tenantId, subnet.getId()), subnet);
 273     }
 274
 275     /**
 276      * Registers endpoint from {@link Port} and method parameters.
 277      * Always creates registration input for L2 endpoint.
 278      * Creates registration input for L3 endpoint if fixedIps argument is not null.
 279      */
 280     @Deprecated
 281     private org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.RegisterEndpointInputBuilder createEndpointRegFromPort(
 282             Port port, FixedIps fixedIps, NetworkDomainId networkContainment, List<EndpointGroupId> endpointGroupIds, Neutron neutron) {
 283         org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.RegisterEndpointInputBuilder epInBuilder = createBasicEndpointInputBuilder(
 284                 port).setNetworkContainment(networkContainment);
 285         if (fixedIps != null) {
 286             L3Address l3Address = resolveL3AddressFromPort(port, fixedIps, neutron);
 287             epInBuilder.setL3Address(ImmutableList.of(l3Address));
 288         }
 289         epInBuilder.setEndpointGroups(endpointGroupIds);
 290         return epInBuilder;
 291     }
 292
 293     private void changeL3ContextForEpsInSubnet(Uuid subnetUuid, Neutron neutron) {
 294         Set<Port> portsInSameSubnet = PortUtils.findPortsBySubnet(subnetUuid, neutron.getPorts());
 295         for (Port portInSameSubnet : portsInSameSubnet) {
 296             if (PortUtils.isNormalPort(portInSameSubnet) || PortUtils.isDhcpPort(portInSameSubnet)
 297                 || PortUtils.isQrouterOrVppRouterPort(portInSameSubnet)) {
 298                 // endpoints are created only from neutron normal port or DHCP port
 299                 Optional<FixedIps> firstFixedIps = PortUtils.resolveFirstFixedIps(portInSameSubnet);
 300                 if (firstFixedIps.isPresent()) {
 301                     // endpoint has only one network containment therefore only first IP is used
 302                     FixedIps ipWithSubnet = firstFixedIps.get();
 303                     List<EndpointGroupId> endpointGroupIds = new ArrayList<>();
 304                     if (PortUtils.isDhcpPort(portInSameSubnet) || PortUtils.isQrouterOrVppRouterPort(portInSameSubnet)) {
 305                         endpointGroupIds.add(NetworkService.EPG_ID);
 306                     } else if (PortUtils.isNormalPort(portInSameSubnet)) {
 307                         endpointGroupIds.add(NetworkClient.EPG_ID);
 308                     }
 309                     NetworkDomainId networkContainment = new NetworkDomainId(ipWithSubnet.getSubnetId().getValue());
 310                     AddressEndpointRegBuilder l2BaseEp = createBasicMacAddrEpInputBuilder(portInSameSubnet,
 311                             networkContainment, endpointGroupIds);
 312                     AddressEndpointRegBuilder l3BaseEp = createBasicL3AddrEpInputBuilder(portInSameSubnet,
 313                             networkContainment, endpointGroupIds, neutron);
 314                     setParentChildRelationshipForEndpoints(l3BaseEp, l2BaseEp);
 315                     AddressEndpointUnreg addrEpUnreg = new AddressEndpointUnregBuilder().setAddress(l3BaseEp.getAddress())
 316                         .setAddressType(l3BaseEp.getAddressType())
 317                         .setContextId(new ContextId(portInSameSubnet.getNetworkId().getValue()))
 318                         .setContextType(l3BaseEp.getContextType())
 319                         .build();
 320                     epRegistrator.unregisterEndpoint(addrEpUnreg);
 321                     RegisterEndpointInput regBaseEpInput = new RegisterEndpointInputBuilder()
 322                         .setAddressEndpointReg(ImmutableList.of(l2BaseEp.build(), l3BaseEp.build())).build();
 323                     epRegistrator.registerEndpoint(regBaseEpInput);
 324
 325                     modifyL3ContextForEndpoints(portInSameSubnet, ipWithSubnet, l3BaseEp.getContextId());
 326                 }
 327             }
 328         }
 329     }
 330
 331     private ChildEndpoint createChildEndpoint(AddressEndpointRegBuilder builder) {
 332         return new ChildEndpointBuilder().setAddress(builder.getAddress())
 333             .setAddressType(builder.getAddressType())
 334             .setContextId(builder.getContextId())
 335             .setContextType(builder.getContextType())
 336             .build();
 337     }
 338
 339     private ParentEndpoint createParentEndpoint(AddressEndpointRegBuilder builder) {
 340         return new ParentEndpointBuilder().setAddress(builder.getAddress())
 341             .setAddressType(builder.getAddressType())
 342             .setContextId(builder.getContextId())
 343             .setContextType(builder.getContextType())
 344             .build();
 345     }
 346
 347     @Deprecated
 348     private void modifyL3ContextForEndpoints(Port port, FixedIps resolvedPortFixedIp, ContextId newContextId) {
 349         org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.RegisterEndpointInputBuilder epInBuilder = createBasicEndpointInputBuilder(port);
 350         epInBuilder.setNetworkContainment(new NetworkDomainId(resolvedPortFixedIp.getSubnetId().getValue()));
 351         L3Address l3Address = new L3AddressBuilder().setL3Context(new L3ContextId(newContextId))
 352             .setIpAddress(resolvedPortFixedIp.getIpAddress())
 353             .build();
 354         epInBuilder.setL3Address(ImmutableList.of(l3Address));
 355         List<EndpointGroupId> epgsFromSecGroups = resolveEpgIdsFromSecGroups(port.getSecurityGroups());
 356         epgsFromSecGroups.add(NetworkClient.EPG_ID);
 357         epInBuilder.setEndpointGroups(epgsFromSecGroups);
 358         epRegistrator.registerEndpoint(epInBuilder.build());
 359         // unregister L3EP
 360         L3ContextId oldL3Context = new L3ContextId(port.getNetworkId().getValue());
 361         L3 l3 = new L3Builder().setL3Context(oldL3Context).setIpAddress(resolvedPortFixedIp.getIpAddress()).build();
 362         org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.UnregisterEndpointInput epUnreg = new org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.UnregisterEndpointInputBuilder().setL3(
 363                 ImmutableList.of(l3))
 364             .build();
 365         epRegistrator.unregisterEndpoint(epUnreg);
 366     }
 367
 368     private AddressEndpointRegBuilder createBasicMacAddrEpInputBuilder(Port port,
 369             NetworkDomainId networkContainment, @Nullable List<EndpointGroupId> endpointGroupsToAdd) {
 370         AddressEndpointRegBuilder addrEpbuilder = new AddressEndpointRegBuilder().setAddressType(MacAddressType.class)
 371             .setAddress(port.getMacAddress().getValue())
 372             .setAddressType(MacAddressType.class)
 373             .setContextType(MappingUtils.L2_BRDIGE_DOMAIN)
 374             .setContextId(new ContextId(port.getNetworkId().getValue()))
 375             .setTenant(new TenantId(port.getTenantId().getValue()))
 376             .setTimestamp(System.currentTimeMillis());
 377         List<EndpointGroupId> epgs = concatEndpointGroups(port.getSecurityGroups(), endpointGroupsToAdd);
 378         addrEpbuilder.setEndpointGroup(epgs);
 379         if (networkContainment != null) {
 380             addrEpbuilder.setNetworkContainment(new NetworkContainmentBuilder().setContainment(
 381                     new NetworkDomainContainmentBuilder().setNetworkDomainId(networkContainment)
 382                         .setNetworkDomainType(MappingUtils.SUBNET)
 383                         .build()).build());
 384         }
 385         return addrEpbuilder;
 386     }
 387
 388     private AddressEndpointRegBuilder createBasicL3AddrEpInputBuilder(Port port, NetworkDomainId networkContainment,
 389             @Nullable List<EndpointGroupId> endpointGroupsToAdd, Neutron neutron) {
 390         Optional<FixedIps> firstFixedIps = PortUtils.resolveFirstFixedIps(port);
 391         if (!firstFixedIps.isPresent()) {
 392             throw new IllegalStateException("Failed to resolve FixedIps for port " + port.getKey()
 393                     + ". Cannot register L3 Address endpoint.");
 394         }
 395         ContextId resolveL3ContextForPort = resolveL3ContextForPort(port, port.getFixedIps().get(0), neutron);
 396
 397         AddressEndpointRegBuilder addrEpbuilder = new AddressEndpointRegBuilder().setAddressType(MacAddressType.class)
 398             .setAddress(MappingUtils.ipAddressToStringIpPrefix(firstFixedIps.get().getIpAddress()))
 399             .setAddressType(IpPrefixType.class)
 400             .setContextType(MappingUtils.L3_CONTEXT)
 401             .setContextId(resolveL3ContextForPort)
 402             .setTenant(new TenantId(port.getTenantId().getValue()))
 403             .setTimestamp(System.currentTimeMillis());
 404         List<EndpointGroupId> epgs = concatEndpointGroups(port.getSecurityGroups(), endpointGroupsToAdd);
 405         addrEpbuilder.setEndpointGroup(epgs);
 406         if (networkContainment != null) {
 407             addrEpbuilder.setNetworkContainment(new NetworkContainmentBuilder().setContainment(
 408                     new NetworkDomainContainmentBuilder().setNetworkDomainId(networkContainment)
 409                         .setNetworkDomainType(MappingUtils.SUBNET)
 410                         .build()).build());
 411         }
 412         return addrEpbuilder;
 413     }
 414
 415     private List<EndpointGroupId> concatEndpointGroups(List<Uuid> securityGroups,
 416             @Nullable List<EndpointGroupId> endpointGroupsToAdd) {
 417         List<EndpointGroupId> epgs = new ArrayList<>();
 418         if (securityGroups != null) {
 419             for (Uuid sgId : securityGroups) {
 420                 epgs.add(new EndpointGroupId(sgId.getValue()));
 421             }
 422         }
 423         if (endpointGroupsToAdd != null) {
 424             epgs.addAll(endpointGroupsToAdd);
 425         }
 426         return epgs;
 427     }
 428
 429     @Deprecated
 430     private static org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.RegisterEndpointInputBuilder createBasicEndpointInputBuilder(
 431             Port port) {
 432         return new org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.RegisterEndpointInputBuilder().setL2Context(
 433                 new L2BridgeDomainId(port.getNetworkId().getValue()))
 434             .setMacAddress(new MacAddress(port.getMacAddress().getValue()))
 435             .setTenant(new TenantId(port.getTenantId().getValue()))
 436             .setTimestamp(System.currentTimeMillis());
 437     }
 438
 439     private static List<EndpointGroupId> resolveEpgIdsFromSecGroups(@Nullable List<Uuid> securityGroups) {
 440         List<EndpointGroupId> epgIds = new ArrayList<>();
 441         if ((securityGroups == null || securityGroups.isEmpty())) {
 442             return epgIds;
 443         }
 444         for (Uuid secGrp : securityGroups) {
 445             epgIds.add(new EndpointGroupId(secGrp.getValue()));
 446         }
 447         return epgIds;
 448     }
 449
 450     @Deprecated
 451     private void registerEndpointAndStoreMapping(
 452             org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.RegisterEndpointInput regEpInput,
 453             Port port, ReadWriteTransaction rwTx) {
 454         boolean isRegisteredEndpoint = epRegistrator.registerEndpoint(regEpInput);
 455         if (!isRegisteredEndpoint) {
 456             LOG.error("Failed to register an endpoint: {}", regEpInput);
 457             return;
 458         }
 459         UniqueId portId = new UniqueId(port.getUuid().getValue());
 460         EndpointKey epKey = new EndpointKey(new L2BridgeDomainId(port.getNetworkId().getValue()), new MacAddress(
 461                 port.getMacAddress().getValue()));
 462         LOG.trace("Adding Port-Endpoint mapping for port {} (device owner {}) and endpoint {}", port.getUuid()
 463             .getValue(), port.getDeviceOwner(), epKey);
 464         EndpointByPort endpointByPort = MappingFactory.createEndpointByPort(epKey, portId);
 465         rwTx.put(LogicalDatastoreType.OPERATIONAL, NeutronGbpIidFactory.endpointByPortIid(portId), endpointByPort, true);
 466         PortByEndpoint portByEndpoint = MappingFactory.createPortByEndpoint(portId, epKey);
 467         rwTx.put(LogicalDatastoreType.OPERATIONAL,
 468                 NeutronGbpIidFactory.portByEndpointIid(epKey.getL2Context(), epKey.getMacAddress()), portByEndpoint,
 469                 true);
 470     }
 471
 472     @Deprecated
 473     private void unregisterEndpointAndRemoveMapping(
 474             org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.UnregisterEndpointInput unregEpInput,
 475             Port port, ReadWriteTransaction rwTx) {
 476         boolean isUnregisteredEndpoint = epRegistrator.unregisterEndpoint(unregEpInput);
 477         if (isUnregisteredEndpoint) {
 478             UniqueId portId = new UniqueId(port.getUuid().getValue());
 479             EndpointKey epKey = new EndpointKey(new L2BridgeDomainId(port.getNetworkId().getValue()), new MacAddress(
 480                     port.getMacAddress().getValue()));
 481             LOG.trace("Removing Port-Endpoint mapping for port {} (device owner {}) and endpoint {}", port.getUuid()
 482                 .getValue(), port.getDeviceOwner(), epKey);
 483             DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL,
 484                     NeutronGbpIidFactory.endpointByPortIid(portId), rwTx);
 485             DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL,
 486                     NeutronGbpIidFactory.portByEndpointIid(epKey.getL2Context(), epKey.getMacAddress()), rwTx);
 487         }
 488     }
 489
 490     private void registerBaseEndpointAndStoreMapping(List<AddressEndpointReg> addrEpRegs, Port port,
 491             WriteTransaction wTx, boolean addBaseEpMappings) {
 492         RegisterEndpointInput regBaseEpInput = new RegisterEndpointInputBuilder().setAddressEndpointReg(addrEpRegs)
 493             .build();
 494
 495         boolean isRegisteredBaseEndpoint = epRegistrator.registerEndpoint(regBaseEpInput);
 496         if (!isRegisteredBaseEndpoint) {
 497             LOG.error("Failed to register an address endpoint: {}", addrEpRegs);
 498             return;
 499         }
 500         for (AddressEndpointReg addrEpReg : addrEpRegs) {
 501             if (MappingUtils.L2_BRDIGE_DOMAIN.equals(addrEpReg.getContextType()) && addBaseEpMappings) {
 502                 UniqueId portId = new UniqueId(port.getUuid().getValue());
 503                 LOG.trace("Adding Port-BaseEndpoint mapping for port {} (device owner {}) and endpoint {}",
 504                         port.getUuid());
 505                 AddressEndpointKey addrEpKey = new AddressEndpointKey(addrEpReg.getAddress(),
 506                         addrEpReg.getAddressType(), addrEpReg.getContextId(), addrEpReg.getContextType());
 507                 addBaseEndpointMappings(addrEpKey, portId, wTx);
 508             }
 509         }
 510     }
 511
 512     private void addBaseEndpointMappings(AddressEndpointKey addrEpKey, UniqueId portId, WriteTransaction wTx) {
 513         BaseEndpointByPort baseEndpointByPort = MappingFactory.createBaseEndpointByPort(addrEpKey, portId);
 514         wTx.put(LogicalDatastoreType.OPERATIONAL, NeutronGbpIidFactory.baseEndpointByPortIid(portId),
 515                 baseEndpointByPort, true);
 516         PortByBaseEndpoint portByBaseEndpoint = MappingFactory.createPortByBaseEndpoint(portId, addrEpKey);
 517         wTx.put(LogicalDatastoreType.OPERATIONAL,
 518                 NeutronGbpIidFactory.portByBaseEndpointIid(new PortByBaseEndpointKey(
 519                         portByBaseEndpoint.getKey())), portByBaseEndpoint, true);
 520     }
 521
 522     private void unregisterEndpointAndRemoveMapping(UnregisterEndpointInput baseEpUnreg, Port port,
 523             ReadWriteTransaction rwTx, boolean removeBaseEpMappings) {
 524         boolean isUnregisteredBaseEndpoint = epRegistrator.unregisterEndpoint(baseEpUnreg);
 525         if (isUnregisteredBaseEndpoint) {
 526             UniqueId portId = new UniqueId(port.getUuid().getValue());
 527             PortByBaseEndpointKey portByBaseEndpointKey = new PortByBaseEndpointKey(port.getMacAddress().getValue(),
 528                     MacAddressType.class, new ContextId(port.getNetworkId().getValue()), MappingUtils.L2_BRDIGE_DOMAIN);
 529             LOG.trace("Removing Port-BaseEndpoint mapping for port {} (device owner {}) and endpoint {}",
 530                     port.getUuid().getValue(), port.getDeviceOwner(), portByBaseEndpointKey);
 531             if (removeBaseEpMappings) {
 532                 removeBaseEndpointMappings(portByBaseEndpointKey, portId, rwTx);
 533             }
 534         }
 535     }
 536
 537     private void removeBaseEndpointMappings(PortByBaseEndpointKey portByBaseEndpointKey, UniqueId portId, ReadWriteTransaction rwTx) {
 538         DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL,
 539                 NeutronGbpIidFactory.baseEndpointByPortIid(portId), rwTx);
 540         DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL,
 541                 NeutronGbpIidFactory.portByBaseEndpointIid(portByBaseEndpointKey), rwTx);
 542     }
 543
 544     @Override
 545     public void onUpdated(Port oldPort, Port newPort, Neutron oldNeutron, Neutron newNeutron) {
 546         LOG.trace("updated port - OLD: {}\nNEW: {}", oldPort, newPort);
 547         onDeleted(oldPort, oldNeutron, false);
 548         onCreated(newPort, newNeutron, false);
 549     }
 550
 551     @Override public void onDeleted(Port deletedItem, Neutron oldNeutron, Neutron newNeutron) {
 552         onDeleted(deletedItem, oldNeutron, true);
 553     }
 554
 555     public void onDeleted(Port port, Neutron oldNeutron, boolean removeBaseEpMapping) {
 556         LOG.trace("deleted port - {}", port);
 557         if (PortUtils.isRouterInterfacePort(port)) {
 558             LOG.trace("Port is router interface port: {}", port.getUuid().getValue());
 559             // router interface port can have only one IP
 560             Optional<FixedIps> potentialPortIpWithSubnet = PortUtils.resolveFirstFixedIps(port);
 561             if (!potentialPortIpWithSubnet.isPresent()) {
 562                 LOG.warn("Illegal state - router interface port does not contain fixed IPs {}",
 563                         port);
 564                 return;
 565             }
 566             FixedIps portIpWithSubnet = potentialPortIpWithSubnet.get();
 567             L3ContextId l3Context = new L3ContextId(port.getNetworkId().getValue());
 568             // change L3Context for all EPs with same subnet as router port
 569             changeL3ContextForEpsInSubnet(portIpWithSubnet.getSubnetId(), oldNeutron);
 570             // set L3Context as parent for bridge domain which is parent of subnet
 571             TenantId tenantId = new TenantId(port.getTenantId().getValue());
 572             Optional<Subnet> potentialRouterPortSubnet = SubnetUtils.findSubnet(portIpWithSubnet.getSubnetId(),
 573                     oldNeutron.getSubnets());
 574             if (!potentialRouterPortSubnet.isPresent()) {
 575                 LOG.warn("Illegal state - router interface port is in subnet which does not exist. {}", port);
 576                 return;
 577             }
 578             ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
 579             Subnet routerPortSubnet = potentialRouterPortSubnet.get();
 580             modifyForwardingOnDelete(routerPortSubnet, l3Context, tenantId, rwTx);
 581             ContextId l2BdId = new ContextId(routerPortSubnet.getNetworkId().getValue());
 582             ForwardingContext fwdCtx = new ForwardingContextBuilder().setContextId(l2BdId)
 583                 .setContextType(MappingUtils.L2_BRDIGE_DOMAIN)
 584                 .setParent(MappingUtils.createParent(l3Context, MappingUtils.L3_CONTEXT))
 585                 .build();
 586             rwTx.merge(LogicalDatastoreType.CONFIGURATION,
 587                     L2L3IidFactory.l2BridgeDomainIid(tenantId, fwdCtx.getContextId()), fwdCtx);
 588             NetworkDomain subnet = NeutronSubnetAware.createSubnet(routerPortSubnet, null);
 589             rwTx.put(LogicalDatastoreType.CONFIGURATION, L2L3IidFactory.subnetIid(tenantId, subnet.getNetworkDomainId()),
 590                     subnet);
 591             UniqueId portId = new UniqueId(port.getUuid().getValue());
 592             PortByBaseEndpointKey portByBaseEndpointKey = new PortByBaseEndpointKey(port.getMacAddress().getValue(),
 593                     MacAddressType.class, new ContextId(port.getNetworkId().getValue()), MappingUtils.L2_BRDIGE_DOMAIN);
 594             if (removeBaseEpMapping) {
 595                 removeBaseEndpointMappings(portByBaseEndpointKey, portId, rwTx);
 596             }
 597             DataStoreHelper.submitToDs(rwTx);
 598         } else if (PortUtils.isDhcpPort(port)) {
 599             LOG.trace("Port is DHCP port: {}", port.getUuid().getValue());
 600             ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
 601             unregisterEndpointAndRemoveMapping(createUnregisterEndpointInput(port, oldNeutron), port, rwTx);
 602             unregisterEndpointAndRemoveMapping(createUnregisterBaseEndpointInput(port, oldNeutron), port, rwTx, removeBaseEpMapping);
 603             DataStoreHelper.submitToDs(rwTx);
 604         } else if (PortUtils.isNormalPort(port)) {
 605             LOG.trace("Port is normal port: {}", port.getUuid().getValue());
 606             ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
 607             unregisterEndpointAndRemoveMapping(createUnregisterEndpointInput(port, oldNeutron), port, rwTx);
 608             unregisterEndpointAndRemoveMapping(createUnregisterBaseEndpointInput(port, oldNeutron), port, rwTx, removeBaseEpMapping);
 609             DataStoreHelper.submitToDs(rwTx);
 610         } else if (PortUtils.isRouterGatewayPort(port)) {
 611             // do nothing because actual trigger is detaching of port from router
 612             LOG.trace("Port is router gateway port: {}", port.getUuid().getValue());
 613         } else if (PortUtils.isFloatingIpPort(port)) {
 614             // do nothing because trigger is floating IP
 615             LOG.trace("Port is floating ip: {}", port.getUuid().getValue());
 616         } else {
 617             LOG.warn("Unknown port: {}", port);
 618         }
 619     }
 620
 621     @Deprecated
 622     private void modifyForwardingOnDelete(Subnet routerPortSubnet, L3ContextId l3contextId, TenantId tenantId, ReadWriteTransaction rwTx) {
 623         L2BridgeDomainId l2BdId = new L2BridgeDomainId(routerPortSubnet.getNetworkId().getValue());
 624         L2BridgeDomain l2Bd = new L2BridgeDomainBuilder().setId(l2BdId).setParent(l3contextId).build();
 625         rwTx.merge(LogicalDatastoreType.CONFIGURATION, IidFactory.l2BridgeDomainIid(tenantId, l2BdId), l2Bd);
 626         // remove virtual router IP for subnet
 627         org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.forwarding.context.Subnet tenantSubnet = NeutronSubnetAware.createTenantSubnet(routerPortSubnet, null);
 628         rwTx.put(LogicalDatastoreType.CONFIGURATION, IidFactory.subnetIid(tenantId, tenantSubnet.getId()), tenantSubnet);
 629     }
 630
 631     private org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.UnregisterEndpointInput createUnregisterBaseEndpointInput(
 632             Port port, Neutron neutron) {
 633         UnregisterEndpointInputBuilder inputBuilder = new UnregisterEndpointInputBuilder();
 634         List<AddressEndpointUnreg> list = new ArrayList<>();
 635         AddressEndpointUnregBuilder addrL2EpUnregBuilder = new AddressEndpointUnregBuilder();
 636         addrL2EpUnregBuilder.setAddress(port.getMacAddress().getValue())
 637             .setAddressType(MacAddressType.class)
 638             .setContextId(new ContextId(port.getNetworkId().getValue()))
 639             .setContextType(MappingUtils.L2_BRDIGE_DOMAIN);
 640         list.add(addrL2EpUnregBuilder.build());
 641         Optional<FixedIps> potentialFirstIp = PortUtils.resolveFirstFixedIps(port);
 642         if (potentialFirstIp.isPresent()) {
 643             ContextId l3ContextId = resolveL3ContextForPort(port, potentialFirstIp.get(), neutron);
 644             AddressEndpointUnregBuilder addrL3EpUnregBuilder = new AddressEndpointUnregBuilder();
 645             addrL3EpUnregBuilder.setAddress(MappingUtils.ipAddressToStringIpPrefix(potentialFirstIp.get().getIpAddress()))
 646                 .setAddressType(IpPrefixType.class)
 647                 .setContextId(l3ContextId)
 648                 .setContextType(L3Context.class);
 649             list.add(addrL3EpUnregBuilder.build());
 650         }
 651         inputBuilder.setAddressEndpointUnreg(list);
 652         return inputBuilder.build();
 653     }
 654
 655     @Deprecated
 656     private org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.UnregisterEndpointInput createUnregisterEndpointInput(
 657             Port port, Neutron neutron) {
 658         org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.UnregisterEndpointInputBuilder inputBuilder =
 659                 new org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.UnregisterEndpointInputBuilder();
 660         L2 l2Ep = new L2Builder().setL2Context(new L2BridgeDomainId(port.getNetworkId().getValue()))
 661             .setMacAddress(new MacAddress(port.getMacAddress().getValue()))
 662             .build();
 663         inputBuilder.setL2(ImmutableList.of(l2Ep));
 664         // we've registered EP with only first IP so remove only EP with first IP
 665         Optional<FixedIps> potentialFirstIp = PortUtils.resolveFirstFixedIps(port);
 666         if (potentialFirstIp.isPresent()) {
 667             FixedIps firstIp = potentialFirstIp.get();
 668             L3Address l3Address = resolveL3AddressFromPort(port, firstIp, neutron);
 669             L3 l3 = new L3Builder().setIpAddress(l3Address.getIpAddress())
 670                 .setL3Context(l3Address.getL3Context())
 671                 .build();
 672             inputBuilder.setL3(ImmutableList.of(l3));
 673         }
 674         return inputBuilder.build();
 675     }
 676
 677     @Deprecated
 678     private static L3Address resolveL3AddressFromPort(Port port, FixedIps portFixedIPs, Neutron neutron) {
 679         Set<Port> routerIfacePorts = PortUtils.findRouterInterfacePorts(neutron.getPorts());
 680         for (Port routerIfacePort : routerIfacePorts) {
 681             Uuid routerIfacePortSubnet = routerIfacePort.getFixedIps().get(0).getSubnetId();
 682             // if port is in the same subnet as router interface then we want to use L3Context of
 683             // router
 684             if (portFixedIPs.getSubnetId().equals(routerIfacePortSubnet)) {
 685                 L3ContextId epL3ContextId = new L3ContextId(routerIfacePort.getDeviceId());
 686                 LOG.trace("Router interface port was found in the same subnet as port have {}", port);
 687                 return new L3AddressBuilder().setL3Context(epL3ContextId)
 688                     .setIpAddress(portFixedIPs.getIpAddress())
 689                     .build();
 690             }
 691         }
 692         return new L3AddressBuilder().setL3Context(new L3ContextId(port.getNetworkId().getValue()))
 693             .setIpAddress(portFixedIPs.getIpAddress())
 694             .build();
 695     }
 696
 697     private static ContextId resolveL3ContextForPort(Port port, FixedIps portFixedIPs, Neutron neutron) {
 698         Set<Port> routerIfacePorts = PortUtils.findRouterInterfacePorts(neutron.getPorts());
 699         for (Port routerIfacePort : routerIfacePorts) {
 700             Uuid routerIfacePortSubnet = routerIfacePort.getFixedIps().get(0).getSubnetId();
 701             // if port is in the same subnet as router interface then we want to use L3Context of
 702             // router
 703             if (portFixedIPs.getSubnetId().equals(routerIfacePortSubnet)) {
 704                 LOG.trace("Router interface port was found in the same subnet as port have {}", port);
 705                 return new ContextId(routerIfacePort.getDeviceId());
 706             }
 707         }
 708         return new ContextId(port.getNetworkId().getValue());
 709     }
 710 }