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