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.Collection;
  14 import java.util.HashSet;
  15 import java.util.List;
  16 import java.util.Set;
  17 import java.util.concurrent.ExecutionException;
  18
  19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  20 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  21 import org.opendaylight.controller.md.sal.binding.api.ReadTransaction;
  22 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  23 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  24 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.DataStoreHelper;
  25 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.IidFactory;
  26 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.MappingUtils;
  27 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.MappingUtils.ForwardingCtx;
  28 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.NeutronUtils;
  29 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.Utils;
  30 import org.opendaylight.neutron.spi.INeutronPortAware;
  31 import org.opendaylight.neutron.spi.NeutronPort;
  32 import org.opendaylight.neutron.spi.NeutronSecurityGroup;
  33 import org.opendaylight.neutron.spi.NeutronSecurityRule;
  34 import org.opendaylight.neutron.spi.Neutron_IPs;
  35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpPrefix;
  36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.EndpointGroupId;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.L2FloodDomainId;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.L3ContextId;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.Name;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.SubnetId;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.TenantId;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.EndpointService;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.RegisterEndpointInput;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.RegisterEndpointInputBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.UnregisterEndpointInput;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.UnregisterEndpointInputBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoint.fields.L3Address;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoint.fields.L3AddressBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.Endpoint;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointKey;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.unregister.endpoint.input.L2;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.unregister.endpoint.input.L2Builder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.unregister.endpoint.input.L3;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.unregister.endpoint.input.L3Builder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayContextInput;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayContextInputBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.EndpointGroup;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.Subnet;
  60 import org.opendaylight.yangtools.yang.common.RpcResult;
  61 import org.slf4j.Logger;
  62 import org.slf4j.LoggerFactory;
  63
  64 import com.google.common.base.Function;
  65 import com.google.common.base.Optional;
  66 import com.google.common.base.Strings;
  67 import com.google.common.collect.Collections2;
  68 import com.google.common.collect.ImmutableList;
  69
  70 public class NeutronPortAware implements INeutronPortAware {
  71
  72     public static final Logger LOG = LoggerFactory.getLogger(NeutronPortAware.class);
  73     private static final String DEVICE_OWNER_DHCP = "network:dhcp";
  74     private static final String DEVICE_OWNER_ROUTER_IFACE = "network:router_interface";
  75     private static final int DHCP_CLIENT_PORT = 68;
  76     private static final int DHCP_SERVER_PORT = 67;
  77     private final DataBroker dataProvider;
  78     private final EndpointService epService;
  79
  80     public NeutronPortAware(DataBroker dataProvider, EndpointService epService) {
  81         this.dataProvider = checkNotNull(dataProvider);
  82         this.epService = checkNotNull(epService);
  83     }
  84
  85     /**
  86      * @see org.opendaylight.neutron.spi.INeutronPortAware#canCreatePort(org.opendaylight.neutron.spi.NeutronPort)
  87      */
  88     @Override
  89     public int canCreatePort(NeutronPort port) {
  90         LOG.trace("canCreatePort - {}", port);
  91         // TODO Li msunal this has to be rewrite when OFOverlay renderer will support l3-endpoints.
  92         List<Neutron_IPs> fixedIPs = port.getFixedIPs();
  93         if (fixedIPs != null && fixedIPs.size() > 1) {
  94             LOG.warn("Neutron mapper does not support multiple IPs on the same port.");
  95             return StatusCode.BAD_REQUEST;
  96         }
  97         return StatusCode.OK;
  98     }
  99
 100     /**
 101      * @see org.opendaylight.neutron.spi.INeutronPortAware#neutronPortCreated(org.opendaylight.neutron.spi.NeutronPort)
 102      */
 103     @Override
 104     public void neutronPortCreated(NeutronPort port) {
 105         LOG.trace("neutronPortCreated - {}", port);
 106         if (isRouterInterfacePort(port)) {
 107             LOG.trace("Port is router interface - {} does nothing. {} handles router iface.",
 108                     NeutronPortAware.class.getSimpleName(), NeutronRouterAware.class.getSimpleName());
 109             return;
 110         }
 111         ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
 112         TenantId tenantId = new TenantId(Utils.normalizeUuid(port.getTenantID()));
 113         if (isDhcpPort(port)) {
 114             LOG.trace("Port is DHCP port.");
 115             List<NeutronSecurityRule> dhcpSecRules = createDhcpSecRules(port, null, rwTx);
 116             if (dhcpSecRules == null) {
 117                 rwTx.cancel();
 118                 return;
 119             }
 120
 121             for (NeutronSecurityRule dhcpSecRule : dhcpSecRules) {
 122                 boolean isDhcpSecRuleAdded = NeutronSecurityRuleAware.addNeutronSecurityRule(dhcpSecRule, rwTx);
 123                 if (!isDhcpSecRuleAdded) {
 124                     rwTx.cancel();
 125                     return;
 126                 }
 127             }
 128         } else {
 129             List<NeutronSecurityGroup> secGroups = port.getSecurityGroups();
 130             if (secGroups != null) {
 131                 for (NeutronSecurityGroup secGroup : secGroups) {
 132                     EndpointGroupId epgId = new EndpointGroupId(secGroup.getSecurityGroupUUID());
 133                     Optional<EndpointGroup> potentialEpg = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
 134                             IidFactory.endpointGroupIid(tenantId, epgId), rwTx);
 135                     if (!potentialEpg.isPresent()) {
 136                         boolean isSecGroupCreated = NeutronSecurityGroupAware.addNeutronSecurityGroup(secGroup, rwTx);
 137                         if (!isSecGroupCreated) {
 138                             rwTx.cancel();
 139                             return;
 140                         }
 141                         if (containsSecRuleWithRemoteSecGroup(secGroup)) {
 142                             List<NeutronSecurityRule> dhcpSecRules = createDhcpSecRules(port, epgId, rwTx);
 143                             if (dhcpSecRules == null) {
 144                                 rwTx.cancel();
 145                                 return;
 146                             }
 147                             List<NeutronSecurityRule> routerSecRules = NeutronRouterAware.createRouterSecRules(port, epgId, rwTx);
 148                             if (routerSecRules == null) {
 149                                 rwTx.cancel();
 150                                 return;
 151                             }
 152                         }
 153                     } else {
 154                         List<NeutronSecurityRule> secRules = secGroup.getSecurityRules();
 155                         if (secRules != null) {
 156                             for (NeutronSecurityRule secRule : secRules) {
 157                                 NeutronSecurityRuleAware.addNeutronSecurityRule(secRule, rwTx);
 158                             }
 159                         }
 160                     }
 161                 }
 162             }
 163         }
 164
 165         boolean isNeutronPortCreated = addNeutronPort(port, rwTx, epService);
 166         if (!isNeutronPortCreated) {
 167             rwTx.cancel();
 168             return;
 169         }
 170
 171         DataStoreHelper.submitToDs(rwTx);
 172     }
 173
 174     public static boolean addNeutronPort(NeutronPort port, ReadWriteTransaction rwTx, EndpointService epService) {
 175         TenantId tenantId = new TenantId(Utils.normalizeUuid(port.getTenantID()));
 176         L2FloodDomainId l2FdId = new L2FloodDomainId(port.getNetworkUUID());
 177         ForwardingCtx fwCtx = MappingUtils.createForwardingContext(tenantId, l2FdId, rwTx);
 178         boolean isFwCtxValid = validateForwardingCtx(fwCtx);
 179         if (!isFwCtxValid) {
 180             return false;
 181         }
 182
 183         try {
 184             RegisterEndpointInput registerEpRpcInput = createRegisterEndpointInput(port, fwCtx);
 185             RpcResult<Void> rpcResult = epService.registerEndpoint(registerEpRpcInput).get();
 186             if (!rpcResult.isSuccessful()) {
 187                 LOG.warn("Illegal state - RPC registerEndpoint failed. Input of RPC: {}", registerEpRpcInput);
 188                 return false;
 189             }
 190         } catch (InterruptedException | ExecutionException e) {
 191             LOG.error("addPort - RPC invocation failed.", e);
 192             return false;
 193         }
 194         return true;
 195     }
 196
 197     private static boolean validateForwardingCtx(ForwardingCtx fwCtx) {
 198         if (fwCtx.getL2FloodDomain() == null) {
 199             LOG.warn("Illegal state - l2-flood-domain does not exist.");
 200             return false;
 201         }
 202         if (fwCtx.getL2BridgeDomain() == null) {
 203             LOG.warn("Illegal state - l2-bridge-domain does not exist.");
 204             return false;
 205         }
 206         if (fwCtx.getL3Context() == null) {
 207             LOG.warn("Illegal state - l3-context does not exist.");
 208             return false;
 209         }
 210         return true;
 211     }
 212
 213     private List<NeutronSecurityRule> createDhcpSecRules(NeutronPort port, EndpointGroupId consumerEpgId, ReadTransaction rTx) {
 214         TenantId tenantId = new TenantId(Utils.normalizeUuid(port.getTenantID()));
 215         Neutron_IPs firstIp = MappingUtils.getFirstIp(port.getFixedIPs());
 216         if (firstIp == null) {
 217             LOG.warn("Illegal state - DHCP port does not have an IP address.");
 218             return null;
 219         }
 220         SubnetId dhcpSubnetId = new SubnetId(firstIp.getSubnetUUID());
 221         Optional<Subnet> potentialSubnet = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
 222                 IidFactory.subnetIid(tenantId, dhcpSubnetId), rTx);
 223         if (!potentialSubnet.isPresent()) {
 224             LOG.warn("Illegal state - Subnet {} where is DHCP port does not exist.", dhcpSubnetId.getValue());
 225             return null;
 226         }
 227         IpPrefix ipSubnet = potentialSubnet.get().getIpPrefix();
 228         NeutronSecurityRule dhcpRuleEgress = createDhcpSecRule(port.getID(), tenantId, ipSubnet, consumerEpgId, true);
 229         NeutronSecurityRule dhcpRuleIngress = createDhcpSecRule(port.getID(), tenantId, ipSubnet, consumerEpgId, false);
 230         return ImmutableList.of(dhcpRuleEgress, dhcpRuleIngress);
 231     }
 232
 233     private NeutronSecurityRule createDhcpSecRule(String ruleUuid, TenantId tenantId, IpPrefix ipSubnet, EndpointGroupId consumerEpgId,
 234             boolean isEgress) {
 235         NeutronSecurityRule dhcpSecRule = new NeutronSecurityRule();
 236         dhcpSecRule.setSecurityRuleGroupID(MappingUtils.EPG_DHCP_ID.getValue());
 237         dhcpSecRule.setSecurityRuleTenantID(tenantId.getValue());
 238         dhcpSecRule.setSecurityRuleRemoteIpPrefix(Utils.getStringIpPrefix(ipSubnet));
 239         if (consumerEpgId != null) {
 240             dhcpSecRule.setSecurityRemoteGroupID(consumerEpgId.getValue());
 241         }
 242         if (isEgress) {
 243             dhcpSecRule.setSecurityRuleUUID(NeutronUtils.EGRESS + "__" + ruleUuid);
 244             dhcpSecRule.setSecurityRuleDirection(NeutronUtils.EGRESS);
 245             dhcpSecRule.setSecurityRulePortMin(DHCP_CLIENT_PORT);
 246             dhcpSecRule.setSecurityRulePortMax(DHCP_CLIENT_PORT);
 247         } else {
 248             dhcpSecRule.setSecurityRuleUUID(NeutronUtils.INGRESS + "__" + ruleUuid);
 249             dhcpSecRule.setSecurityRuleDirection(NeutronUtils.INGRESS);
 250             dhcpSecRule.setSecurityRulePortMin(DHCP_SERVER_PORT);
 251             dhcpSecRule.setSecurityRulePortMax(DHCP_SERVER_PORT);
 252         }
 253         dhcpSecRule.setSecurityRuleProtocol(NeutronUtils.UDP);
 254         if (ipSubnet.getIpv4Prefix() != null) {
 255             dhcpSecRule.setSecurityRuleEthertype(NeutronUtils.IPv4);
 256         } else {
 257             dhcpSecRule.setSecurityRuleEthertype(NeutronUtils.IPv6);
 258         }
 259         return dhcpSecRule;
 260     }
 261
 262     /**
 263      * @see org.opendaylight.neutron.spi.INeutronPortAware#canUpdatePort(org.opendaylight.neutron.spi.NeutronPort,
 264      *      org.opendaylight.neutron.spi.NeutronPort)
 265      */
 266     @Override
 267     public int canUpdatePort(NeutronPort delta, NeutronPort original) {
 268         LOG.trace("canUpdatePort - delta: {} original: {}", delta, original);
 269         if (delta.getFixedIPs() == null || delta.getFixedIPs().isEmpty()) {
 270             return StatusCode.OK;
 271         }
 272         // TODO Li msunal this has to be rewrite when OFOverlay renderer will support l3-endpoints.
 273         List<Neutron_IPs> fixedIPs = delta.getFixedIPs();
 274         if (fixedIPs != null && fixedIPs.size() > 1) {
 275             LOG.warn("Neutron mapper does not support multiple IPs on the same port.");
 276             return StatusCode.BAD_REQUEST;
 277         }
 278         return StatusCode.OK;
 279     }
 280
 281     /**
 282      * @see org.opendaylight.neutron.spi.INeutronPortAware#neutronPortUpdated(org.opendaylight.neutron.spi.NeutronPort)
 283      */
 284     @Override
 285     public void neutronPortUpdated(NeutronPort port) {
 286         LOG.trace("neutronPortUpdated - {}", port);
 287         if (isRouterInterfacePort(port)) {
 288             LOG.trace("Port is router interface - {} does nothing. {} handles router iface.",
 289                     NeutronPortAware.class.getSimpleName(), NeutronRouterAware.class.getSimpleName());
 290             return;
 291         }
 292         ReadOnlyTransaction rTx = dataProvider.newReadOnlyTransaction();
 293         TenantId tenantId = new TenantId(Utils.normalizeUuid(port.getTenantID()));
 294         MacAddress macAddress = new MacAddress(port.getMacAddress());
 295         L2FloodDomainId l2FdId = new L2FloodDomainId(port.getNetworkUUID());
 296         ForwardingCtx fwCtx = MappingUtils.createForwardingContext(tenantId, l2FdId, rTx);
 297         boolean isFwCtxValid = validateForwardingCtx(fwCtx);
 298         if (!isFwCtxValid) {
 299             rTx.close();
 300             return;
 301         }
 302
 303         Optional<Endpoint> potentionalEp = DataStoreHelper.readFromDs(LogicalDatastoreType.OPERATIONAL,
 304                 IidFactory.endpointIid(fwCtx.getL2BridgeDomain().getId(), macAddress), rTx);
 305         if (!potentionalEp.isPresent()) {
 306             LOG.warn("Illegal state - endpoint {} does not exist.", new EndpointKey(fwCtx.getL2BridgeDomain().getId(),
 307                     macAddress));
 308             rTx.close();
 309             return;
 310         }
 311
 312         Endpoint ep = potentionalEp.get();
 313         if (isEpIpDifferentThanPortFixedIp(ep, port) || isEpgDifferentThanSecGrp(ep, port)) {
 314             UnregisterEndpointInput unregisterEpRpcInput = createUnregisterEndpointInput(ep);
 315             RegisterEndpointInput registerEpRpcInput = createRegisterEndpointInput(port, fwCtx);
 316             try {
 317                 RpcResult<Void> rpcResult = epService.unregisterEndpoint(unregisterEpRpcInput).get();
 318                 if (!rpcResult.isSuccessful()) {
 319                     LOG.warn("Illegal state - RPC unregisterEndpoint failed. Input of RPC: {}", unregisterEpRpcInput);
 320                     rTx.close();
 321                     return;
 322                 }
 323                 rpcResult = epService.registerEndpoint(registerEpRpcInput).get();
 324                 if (!rpcResult.isSuccessful()) {
 325                     LOG.warn("Illegal state - RPC registerEndpoint failed. Input of RPC: {}", registerEpRpcInput);
 326                     rTx.close();
 327                     return;
 328                 }
 329             } catch (InterruptedException | ExecutionException e) {
 330                 LOG.error("addPort - RPC invocation failed.", e);
 331                 rTx.close();
 332                 return;
 333             }
 334         }
 335         rTx.close();
 336     }
 337
 338     private boolean isEpIpDifferentThanPortFixedIp(Endpoint ep, NeutronPort port) {
 339         List<L3Address> l3Addresses = ep.getL3Address();
 340         List<Neutron_IPs> fixedIPs = port.getFixedIPs();
 341         if ((l3Addresses == null || l3Addresses.isEmpty()) && (fixedIPs == null || fixedIPs.isEmpty())) {
 342             return false;
 343         }
 344         if (l3Addresses != null && !l3Addresses.isEmpty() && fixedIPs != null && !fixedIPs.isEmpty()) {
 345             if (fixedIPs.get(0).getIpAddress().equals(Utils.getStringIpAddress(l3Addresses.get(0).getIpAddress()))) {
 346                 return false;
 347             }
 348         }
 349         return true;
 350     }
 351
 352     private boolean isEpgDifferentThanSecGrp(Endpoint ep, NeutronPort port) {
 353         List<EndpointGroupId> epgIds = ep.getEndpointGroups();
 354         List<NeutronSecurityGroup> secGroups = port.getSecurityGroups();
 355         if ((epgIds == null || epgIds.isEmpty()) && (secGroups == null || secGroups.isEmpty())) {
 356             return false;
 357         }
 358         if (epgIds != null && !epgIds.isEmpty() && secGroups != null && !secGroups.isEmpty()) {
 359             if (epgIds.size() != secGroups.size()) {
 360                 return true;
 361             }
 362             Collection<EndpointGroupId> epgIdsFromSecGroups = Collections2.transform(secGroups,
 363                     new Function<NeutronSecurityGroup, EndpointGroupId>() {
 364
 365                         @Override
 366                         public EndpointGroupId apply(NeutronSecurityGroup input) {
 367                             return new EndpointGroupId(input.getSecurityGroupUUID());
 368                         }
 369                     });
 370             // order independent equals
 371             Set<EndpointGroupId> one = new HashSet<>(epgIds);
 372             Set<EndpointGroupId> two = new HashSet<>(epgIdsFromSecGroups);
 373             if (one.equals(two)) {
 374                 return false;
 375             }
 376         }
 377         return true;
 378     }
 379
 380     /**
 381      * @see org.opendaylight.neutron.spi.INeutronPortAware#canDeletePort(org.opendaylight.neutron.spi.NeutronPort)
 382      */
 383     @Override
 384     public int canDeletePort(NeutronPort port) {
 385         LOG.trace("canDeletePort - {}", port);
 386         // nothing to consider
 387         return StatusCode.OK;
 388     }
 389
 390     /**
 391      * @see org.opendaylight.neutron.spi.INeutronPortAware#neutronPortDeleted(org.opendaylight.neutron.spi.NeutronPort)
 392      */
 393     @Override
 394     public void neutronPortDeleted(NeutronPort port) {
 395         LOG.trace("neutronPortDeleted - {}", port);
 396         if (isRouterInterfacePort(port)) {
 397             LOG.trace("Port is router interface - {} does nothing. {} handles router iface.",
 398                     NeutronPortAware.class.getSimpleName(), NeutronRouterAware.class.getSimpleName());
 399             return;
 400         }
 401         ReadOnlyTransaction rTx = dataProvider.newReadOnlyTransaction();
 402         TenantId tenantId = new TenantId(Utils.normalizeUuid(port.getTenantID()));
 403         L2FloodDomainId l2FdId = new L2FloodDomainId(port.getNetworkUUID());
 404         ForwardingCtx fwCtx = MappingUtils.createForwardingContext(tenantId, l2FdId, rTx);
 405         boolean isFwCtxValid = validateForwardingCtx(fwCtx);
 406         if (!isFwCtxValid) {
 407             rTx.close();
 408             return;
 409         }
 410
 411         UnregisterEndpointInput unregisterEpRpcInput = createUnregisterEndpointInput(port, fwCtx);
 412         try {
 413             RpcResult<Void> rpcResult = epService.unregisterEndpoint(unregisterEpRpcInput).get();
 414             if (!rpcResult.isSuccessful()) {
 415                 LOG.warn("Illegal state - RPC unregisterEndpoint failed. Input of RPC: {}", unregisterEpRpcInput);
 416             }
 417         } catch (InterruptedException | ExecutionException e) {
 418             LOG.error("addPort - RPC invocation failed.", e);
 419         } finally {
 420             rTx.close();
 421         }
 422     }
 423
 424     private static RegisterEndpointInput createRegisterEndpointInput(NeutronPort port, ForwardingCtx fwCtx) {
 425         List<EndpointGroupId> epgIds = new ArrayList<>();
 426         // each EP has to be in EPG ANY, except dhcp and router
 427         if (isDhcpPort(port)) {
 428             epgIds.add(MappingUtils.EPG_DHCP_ID);
 429         } else if (!containsSecRuleWithRemoteSecGroup(port.getSecurityGroups())) {
 430             epgIds.add(MappingUtils.EPG_ANY_ID);
 431         }
 432
 433         List<NeutronSecurityGroup> securityGroups = port.getSecurityGroups();
 434         if ((securityGroups == null || securityGroups.isEmpty())) {
 435             if (!isDhcpPort(port)) {
 436                 LOG.warn(
 437                         "Port {} does not contain any security group. The port should belong to 'default' security group at least.",
 438                         port.getPortUUID());
 439             }
 440         } else {
 441             for (NeutronSecurityGroup secGrp : securityGroups) {
 442                 epgIds.add(new EndpointGroupId(secGrp.getSecurityGroupUUID()));
 443             }
 444         }
 445         RegisterEndpointInputBuilder inputBuilder = new RegisterEndpointInputBuilder().setL2Context(
 446                 fwCtx.getL2BridgeDomain().getId())
 447             .setMacAddress(new MacAddress(port.getMacAddress()))
 448             .setTenant(new TenantId(Utils.normalizeUuid(port.getTenantID())))
 449             .setEndpointGroups(epgIds)
 450             .addAugmentation(OfOverlayContextInput.class,
 451                     new OfOverlayContextInputBuilder().setPortName(createTapPortName(port)).build())
 452             .setTimestamp(System.currentTimeMillis());
 453         List<Neutron_IPs> fixedIPs = port.getFixedIPs();
 454         // TODO Li msunal this getting of just first IP has to be rewrite when OFOverlay renderer
 455         // will support l3-endpoints. Then we will register L2 and L3 endpoints separately.
 456         Neutron_IPs firstIp = MappingUtils.getFirstIp(fixedIPs);
 457         if (firstIp != null) {
 458             inputBuilder.setNetworkContainment(new SubnetId(firstIp.getSubnetUUID()));
 459             L3Address l3Address = new L3AddressBuilder().setIpAddress(Utils.createIpAddress(firstIp.getIpAddress()))
 460                 .setL3Context(fwCtx.getL3Context().getId())
 461                 .build();
 462             inputBuilder.setL3Address(ImmutableList.of(l3Address));
 463         }
 464         if (!Strings.isNullOrEmpty(port.getName())) {
 465
 466         }
 467         return inputBuilder.build();
 468     }
 469
 470     private static boolean containsSecRuleWithRemoteSecGroup(List<NeutronSecurityGroup> secGroups) {
 471         if (secGroups == null) {
 472             return false;
 473         }
 474         for (NeutronSecurityGroup secGroup : secGroups) {
 475             boolean containsSecRuleWithRemoteSecGroup = containsSecRuleWithRemoteSecGroup(secGroup);
 476             if (containsSecRuleWithRemoteSecGroup) {
 477                 return true;
 478             }
 479         }
 480         return false;
 481     }
 482
 483     private static boolean containsSecRuleWithRemoteSecGroup(NeutronSecurityGroup secGroup) {
 484         List<NeutronSecurityRule> secRules = secGroup.getSecurityRules();
 485         if (secRules == null) {
 486             return false;
 487         }
 488         for (NeutronSecurityRule secRule : secRules) {
 489             if (!Strings.isNullOrEmpty(secRule.getSecurityRemoteGroupID())) {
 490                 return true;
 491             }
 492         }
 493         return false;
 494     }
 495
 496     private static Name createTapPortName(NeutronPort port) {
 497         return new Name("tap" + port.getID().substring(0, 11));
 498     }
 499
 500     private static boolean isDhcpPort(NeutronPort port) {
 501         return DEVICE_OWNER_DHCP.equals(port.getDeviceOwner());
 502     }
 503
 504     private static boolean isRouterInterfacePort(NeutronPort port) {
 505         return DEVICE_OWNER_ROUTER_IFACE.equals(port.getDeviceOwner());
 506     }
 507
 508     private UnregisterEndpointInput createUnregisterEndpointInput(Endpoint ep) {
 509         UnregisterEndpointInputBuilder inputBuilder = new UnregisterEndpointInputBuilder();
 510         L2 l2Ep = new L2Builder().setL2Context(ep.getL2Context()).setMacAddress(ep.getMacAddress()).build();
 511         inputBuilder.setL2(ImmutableList.of(l2Ep));
 512         // TODO Li msunal this has to be rewrite when OFOverlay renderer will support l3-endpoints.
 513         // Endpoint probably will not have l3-addresses anymore, because L2 and L3 endpoints should
 514         // be registered separately.
 515         if (ep.getL3Address() != null && !ep.getL3Address().isEmpty()) {
 516             List<L3> l3Eps = new ArrayList<>();
 517             for (L3Address ip : ep.getL3Address()) {
 518                 l3Eps.add(new L3Builder().setL3Context(ip.getL3Context()).setIpAddress(ip.getIpAddress()).build());
 519             }
 520             inputBuilder.setL3(l3Eps);
 521         }
 522         return inputBuilder.build();
 523     }
 524
 525     private UnregisterEndpointInput createUnregisterEndpointInput(NeutronPort port, ForwardingCtx fwCtx) {
 526         UnregisterEndpointInputBuilder inputBuilder = new UnregisterEndpointInputBuilder();
 527         L2 l2Ep = new L2Builder().setL2Context(fwCtx.getL2BridgeDomain().getId())
 528             .setMacAddress(new MacAddress(port.getMacAddress()))
 529             .build();
 530         inputBuilder.setL2(ImmutableList.of(l2Ep));
 531         // TODO Li msunal this has to be rewrite when OFOverlay renderer will support l3-endpoints.
 532         // Endpoint probably will not have l3-addresses anymore, because L2 and L3 endpoints should
 533         // be registered separately.
 534         if (port.getFixedIPs() != null && !port.getFixedIPs().isEmpty()) {
 535             inputBuilder.setL3(createL3s(port.getFixedIPs(), fwCtx.getL3Context().getId()));
 536         }
 537         return inputBuilder.build();
 538     }
 539
 540     private List<L3> createL3s(List<Neutron_IPs> neutronIps, L3ContextId l3ContextId) {
 541         List<L3> l3s = new ArrayList<>();
 542         for (Neutron_IPs fixedIp : neutronIps) {
 543             String ip = fixedIp.getIpAddress();
 544             L3 l3 = new L3Builder().setIpAddress(Utils.createIpAddress(ip)).setL3Context(l3ContextId).build();
 545             l3s.add(l3);
 546         }
 547         return l3s;
 548     }
 549
 550 }