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