Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-present Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.openstacknetworking.impl; |
| 17 | |
| 18 | import com.google.common.base.Strings; |
| 19 | import com.google.common.collect.ImmutableSet; |
| 20 | import org.apache.felix.scr.annotations.Activate; |
| 21 | import org.apache.felix.scr.annotations.Component; |
| 22 | import org.apache.felix.scr.annotations.Deactivate; |
| 23 | import org.apache.felix.scr.annotations.Reference; |
| 24 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 25 | import org.onlab.packet.Ethernet; |
| 26 | import org.onlab.packet.IPv4; |
| 27 | import org.onlab.packet.IpAddress; |
| 28 | import org.onlab.packet.IpPrefix; |
| 29 | import org.onosproject.cluster.ClusterService; |
| 30 | import org.onosproject.cluster.LeadershipService; |
| 31 | import org.onosproject.cluster.NodeId; |
| 32 | import org.onosproject.core.ApplicationId; |
| 33 | import org.onosproject.core.CoreService; |
| 34 | import org.onosproject.core.GroupId; |
| 35 | import org.onosproject.net.DeviceId; |
| 36 | import org.onosproject.net.PortNumber; |
| 37 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 38 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 39 | import org.onosproject.net.flow.TrafficSelector; |
| 40 | import org.onosproject.net.flow.TrafficTreatment; |
| 41 | import org.onosproject.net.flowobjective.FlowObjectiveService; |
| 42 | import org.onosproject.net.flowobjective.ForwardingObjective; |
| 43 | import org.onosproject.openstacknetworking.api.Constants; |
| 44 | import org.onosproject.openstacknetworking.api.OpenstackNetworkService; |
| 45 | import org.onosproject.openstacknetworking.api.OpenstackRouterEvent; |
| 46 | import org.onosproject.openstacknetworking.api.OpenstackRouterListener; |
| 47 | import org.onosproject.openstacknetworking.api.OpenstackRouterService; |
| 48 | import org.onosproject.openstacknode.OpenstackNode; |
| 49 | import org.onosproject.openstacknode.OpenstackNodeEvent; |
| 50 | import org.onosproject.openstacknode.OpenstackNodeListener; |
| 51 | import org.onosproject.openstacknode.OpenstackNodeService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 52 | import org.openstack4j.model.network.ExternalGateway; |
| 53 | import org.openstack4j.model.network.Network; |
| 54 | import org.openstack4j.model.network.Router; |
| 55 | import org.openstack4j.model.network.RouterInterface; |
| 56 | import org.openstack4j.model.network.Subnet; |
| 57 | import org.slf4j.Logger; |
| 58 | import org.slf4j.LoggerFactory; |
| 59 | |
| 60 | import java.util.Objects; |
| 61 | import java.util.Set; |
| 62 | import java.util.concurrent.ExecutorService; |
| 63 | import java.util.stream.Collectors; |
| 64 | |
| 65 | import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor; |
| 66 | import static org.onlab.util.Tools.groupedThreads; |
| 67 | import static org.onosproject.openstacknetworking.api.Constants.*; |
| 68 | import static org.onosproject.openstacknode.OpenstackNodeService.NodeType.COMPUTE; |
| 69 | |
| 70 | /** |
| 71 | * Handles OpenStack router events. |
| 72 | */ |
| 73 | @Component(immediate = true) |
| 74 | public class OpenstackRoutingHandler { |
| 75 | |
| 76 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 77 | |
| 78 | private static final String MSG_ENABLED = "Enabled "; |
| 79 | private static final String MSG_DISABLED = "Disabled "; |
| 80 | private static final String ERR_SET_FLOWS = "Failed to set flows for router %s:"; |
| 81 | |
| 82 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 83 | protected CoreService coreService; |
| 84 | |
| 85 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 86 | protected LeadershipService leadershipService; |
| 87 | |
| 88 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 89 | protected ClusterService clusterService; |
| 90 | |
| 91 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 92 | protected FlowObjectiveService flowObjectiveService; |
| 93 | |
| 94 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 95 | protected OpenstackNodeService osNodeService; |
| 96 | |
| 97 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 98 | protected OpenstackNetworkService osNetworkService; |
| 99 | |
| 100 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 101 | protected OpenstackRouterService osRouterService; |
| 102 | |
| 103 | private final ExecutorService eventExecutor = newSingleThreadScheduledExecutor( |
| 104 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| 105 | private final OpenstackNodeListener osNodeListener = new InternalNodeEventListener(); |
| 106 | private final OpenstackRouterListener osRouterListener = new InternalRouterEventListener(); |
| 107 | |
| 108 | private ApplicationId appId; |
| 109 | private NodeId localNodeId; |
| 110 | |
| 111 | @Activate |
| 112 | protected void activate() { |
| 113 | appId = coreService.registerApplication(OPENSTACK_NETWORKING_APP_ID); |
| 114 | localNodeId = clusterService.getLocalNode().id(); |
| 115 | leadershipService.runForLeadership(appId.name()); |
| 116 | osNodeService.addListener(osNodeListener); |
| 117 | osRouterService.addListener(osRouterListener); |
| 118 | |
| 119 | log.info("Started"); |
| 120 | } |
| 121 | |
| 122 | @Deactivate |
| 123 | protected void deactivate() { |
| 124 | osRouterService.removeListener(osRouterListener); |
| 125 | osNodeService.removeListener(osNodeListener); |
| 126 | leadershipService.withdraw(appId.name()); |
| 127 | eventExecutor.shutdown(); |
| 128 | |
| 129 | log.info("Stopped"); |
| 130 | } |
| 131 | |
| 132 | private void routerUpdated(Router osRouter) { |
| 133 | ExternalGateway exGateway = osRouter.getExternalGatewayInfo(); |
| 134 | if (exGateway == null) { |
| 135 | osRouterService.routerInterfaces(osRouter.getId()).forEach(iface -> { |
| 136 | setSourceNat(iface, false); |
| 137 | }); |
| 138 | } else { |
| 139 | osRouterService.routerInterfaces(osRouter.getId()).forEach(iface -> { |
| 140 | setSourceNat(iface, exGateway.isEnableSnat()); |
| 141 | }); |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | private void routerIfaceAdded(Router osRouter, RouterInterface osRouterIface) { |
| 146 | Subnet osSubnet = osNetworkService.subnet(osRouterIface.getSubnetId()); |
| 147 | if (osSubnet == null) { |
| 148 | final String error = String.format( |
| 149 | ERR_SET_FLOWS + "subnet %s does not exist", |
| 150 | osRouterIface.getId(), |
| 151 | osRouterIface.getSubnetId()); |
| 152 | throw new IllegalStateException(error); |
| 153 | } |
| 154 | |
| 155 | setInternalRoutes(osRouter, osSubnet, true); |
| 156 | setGatewayIcmp(osSubnet, true); |
| 157 | ExternalGateway exGateway = osRouter.getExternalGatewayInfo(); |
| 158 | if (exGateway != null && exGateway.isEnableSnat()) { |
| 159 | setSourceNat(osRouterIface, true); |
| 160 | } |
| 161 | |
| 162 | log.info("Connected subnet({}) to {}", osSubnet.getCidr(), osRouter.getName()); |
| 163 | } |
| 164 | |
| 165 | private void routerIfaceRemoved(Router osRouter, RouterInterface osRouterIface) { |
| 166 | Subnet osSubnet = osNetworkService.subnet(osRouterIface.getSubnetId()); |
| 167 | if (osSubnet == null) { |
| 168 | final String error = String.format( |
| 169 | ERR_SET_FLOWS + "subnet %s does not exist", |
| 170 | osRouterIface.getId(), |
| 171 | osRouterIface.getSubnetId()); |
| 172 | throw new IllegalStateException(error); |
| 173 | } |
| 174 | |
| 175 | setInternalRoutes(osRouter, osSubnet, false); |
| 176 | setGatewayIcmp(osSubnet, false); |
| 177 | ExternalGateway exGateway = osRouter.getExternalGatewayInfo(); |
| 178 | if (exGateway != null && exGateway.isEnableSnat()) { |
| 179 | setSourceNat(osRouterIface, false); |
| 180 | } |
| 181 | |
| 182 | log.info("Disconnected subnet({}) from {}", osSubnet.getCidr(), osRouter.getName()); |
| 183 | } |
| 184 | |
| 185 | private void setSourceNat(RouterInterface routerIface, boolean install) { |
| 186 | Subnet osSubnet = osNetworkService.subnet(routerIface.getSubnetId()); |
| 187 | Network osNet = osNetworkService.network(osSubnet.getNetworkId()); |
| 188 | |
| 189 | osNodeService.completeNodes().stream() |
| 190 | .filter(osNode -> osNode.type() == COMPUTE) |
| 191 | .forEach(osNode -> { |
| 192 | setRulesToGateway( |
| 193 | osNode.intBridge(), |
daniel park | e49eb38 | 2017-04-05 16:48:28 +0900 | [diff] [blame] | 194 | osNodeService.gatewayGroupId(osNode.intBridge()), |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 195 | Long.valueOf(osNet.getProviderSegID()), |
| 196 | IpPrefix.valueOf(osSubnet.getCidr()), |
| 197 | install); |
| 198 | }); |
| 199 | |
| 200 | // take the first outgoing packet to controller for source NAT |
daniel park | e49eb38 | 2017-04-05 16:48:28 +0900 | [diff] [blame] | 201 | osNodeService.gatewayDeviceIds() |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 202 | .forEach(gwDeviceId -> setRulesToController( |
| 203 | gwDeviceId, |
| 204 | Long.valueOf(osNet.getProviderSegID()), |
| 205 | IpPrefix.valueOf(osSubnet.getCidr()), |
| 206 | install)); |
| 207 | |
| 208 | final String updateStr = install ? MSG_ENABLED : MSG_DISABLED; |
| 209 | log.info(updateStr + "external access for subnet({})", osSubnet.getCidr()); |
| 210 | } |
| 211 | |
| 212 | private void setGatewayIcmp(Subnet osSubnet, boolean install) { |
| 213 | if (Strings.isNullOrEmpty(osSubnet.getGateway())) { |
| 214 | // do nothing if no gateway is set |
| 215 | return; |
| 216 | } |
| 217 | |
| 218 | // take ICMP request to a subnet gateway through gateway node group |
| 219 | Network network = osNetworkService.network(osSubnet.getNetworkId()); |
| 220 | osNodeService.completeNodes().stream() |
| 221 | .filter(osNode -> osNode.type() == COMPUTE) |
| 222 | .forEach(osNode -> setRulesToGatewayWithDstIp( |
| 223 | osNode.intBridge(), |
daniel park | e49eb38 | 2017-04-05 16:48:28 +0900 | [diff] [blame] | 224 | osNodeService.gatewayGroupId(osNode.intBridge()), |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 225 | Long.valueOf(network.getProviderSegID()), |
| 226 | IpAddress.valueOf(osSubnet.getGateway()), |
| 227 | install)); |
| 228 | |
| 229 | IpAddress gatewayIp = IpAddress.valueOf(osSubnet.getGateway()); |
daniel park | e49eb38 | 2017-04-05 16:48:28 +0900 | [diff] [blame] | 230 | osNodeService.gatewayDeviceIds() |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 231 | .forEach(gwDeviceId -> setGatewayIcmpRule( |
| 232 | gatewayIp, |
| 233 | gwDeviceId, |
| 234 | install |
| 235 | )); |
| 236 | |
| 237 | final String updateStr = install ? MSG_ENABLED : MSG_DISABLED; |
| 238 | log.debug(updateStr + "ICMP to {}", osSubnet.getGateway()); |
| 239 | } |
| 240 | |
| 241 | private void setInternalRoutes(Router osRouter, Subnet updatedSubnet, boolean install) { |
| 242 | Set<Subnet> routableSubnets = routableSubnets(osRouter, updatedSubnet.getId()); |
| 243 | Long updatedVni = getVni(updatedSubnet); |
| 244 | |
| 245 | // installs rule from/to my subnet intentionally to fix ICMP failure |
| 246 | // to my subnet gateway if no external gateway added to the router |
| 247 | osNodeService.completeNodes().stream() |
| 248 | .filter(osNode -> osNode.type() == COMPUTE) |
| 249 | .forEach(osNode -> { |
| 250 | setInternalRouterRules( |
| 251 | osNode.intBridge(), |
| 252 | updatedVni, |
| 253 | updatedVni, |
| 254 | IpPrefix.valueOf(updatedSubnet.getCidr()), |
| 255 | IpPrefix.valueOf(updatedSubnet.getCidr()), |
| 256 | install |
| 257 | ); |
| 258 | |
| 259 | routableSubnets.forEach(subnet -> { |
| 260 | setInternalRouterRules( |
| 261 | osNode.intBridge(), |
| 262 | updatedVni, |
| 263 | getVni(subnet), |
| 264 | IpPrefix.valueOf(updatedSubnet.getCidr()), |
| 265 | IpPrefix.valueOf(subnet.getCidr()), |
| 266 | install |
| 267 | ); |
| 268 | setInternalRouterRules( |
| 269 | osNode.intBridge(), |
| 270 | getVni(subnet), |
| 271 | updatedVni, |
| 272 | IpPrefix.valueOf(subnet.getCidr()), |
| 273 | IpPrefix.valueOf(updatedSubnet.getCidr()), |
| 274 | install |
| 275 | ); |
| 276 | }); |
| 277 | }); |
| 278 | |
| 279 | final String updateStr = install ? MSG_ENABLED : MSG_DISABLED; |
| 280 | routableSubnets.forEach(subnet -> log.debug( |
| 281 | updateStr + "route between subnet:{} and subnet:{}", |
| 282 | subnet.getCidr(), |
| 283 | updatedSubnet.getCidr())); |
| 284 | } |
| 285 | |
| 286 | private Set<Subnet> routableSubnets(Router osRouter, String osSubnetId) { |
| 287 | Set<Subnet> osSubnets = osRouterService.routerInterfaces(osRouter.getId()) |
| 288 | .stream() |
| 289 | .filter(iface -> !Objects.equals(iface.getSubnetId(), osSubnetId)) |
| 290 | .map(iface -> osNetworkService.subnet(iface.getSubnetId())) |
| 291 | .collect(Collectors.toSet()); |
| 292 | return ImmutableSet.copyOf(osSubnets); |
| 293 | } |
| 294 | |
| 295 | private Long getVni(Subnet osSubnet) { |
| 296 | return Long.parseLong(osNetworkService.network( |
| 297 | osSubnet.getNetworkId()).getProviderSegID()); |
| 298 | } |
| 299 | |
| 300 | private void setGatewayIcmpRule(IpAddress gatewayIp, DeviceId deviceId, boolean install) { |
| 301 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 302 | .matchEthType(Ethernet.TYPE_IPV4) |
| 303 | .matchIPProtocol(IPv4.PROTOCOL_ICMP) |
| 304 | .matchIPDst(gatewayIp.toIpPrefix()) |
| 305 | .build(); |
| 306 | |
| 307 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 308 | .setOutput(PortNumber.CONTROLLER) |
| 309 | .build(); |
| 310 | |
| 311 | RulePopulatorUtil.setRule( |
| 312 | flowObjectiveService, |
| 313 | appId, |
| 314 | deviceId, |
| 315 | selector, |
| 316 | treatment, |
| 317 | ForwardingObjective.Flag.VERSATILE, |
| 318 | PRIORITY_ICMP_RULE, |
| 319 | install); |
| 320 | } |
| 321 | |
| 322 | private void setInternalRouterRules(DeviceId deviceId, Long srcVni, Long dstVni, |
| 323 | IpPrefix srcSubnet, IpPrefix dstSubnet, boolean install) { |
| 324 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 325 | .matchEthType(Ethernet.TYPE_IPV4) |
| 326 | .matchTunnelId(srcVni) |
| 327 | .matchIPSrc(srcSubnet) |
| 328 | .matchIPDst(dstSubnet) |
| 329 | .build(); |
| 330 | |
| 331 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 332 | .setTunnelId(dstVni) |
| 333 | .build(); |
| 334 | |
| 335 | RulePopulatorUtil.setRule( |
| 336 | flowObjectiveService, |
| 337 | appId, |
| 338 | deviceId, |
| 339 | selector, |
| 340 | treatment, |
| 341 | ForwardingObjective.Flag.SPECIFIC, |
| 342 | PRIORITY_INTERNAL_ROUTING_RULE, |
| 343 | install); |
| 344 | |
| 345 | selector = DefaultTrafficSelector.builder() |
| 346 | .matchEthType(Ethernet.TYPE_IPV4) |
| 347 | .matchTunnelId(dstVni) |
| 348 | .matchIPSrc(srcSubnet) |
| 349 | .matchIPDst(dstSubnet) |
| 350 | .build(); |
| 351 | |
| 352 | treatment = DefaultTrafficTreatment.builder() |
| 353 | .setTunnelId(dstVni) |
| 354 | .build(); |
| 355 | |
| 356 | RulePopulatorUtil.setRule( |
| 357 | flowObjectiveService, |
| 358 | appId, |
| 359 | deviceId, |
| 360 | selector, |
| 361 | treatment, |
| 362 | ForwardingObjective.Flag.SPECIFIC, |
| 363 | PRIORITY_INTERNAL_ROUTING_RULE, |
| 364 | install); |
| 365 | } |
| 366 | |
| 367 | private void setRulesToGateway(DeviceId deviceId, GroupId groupId, Long vni, |
| 368 | IpPrefix srcSubnet, boolean install) { |
| 369 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 370 | .matchEthType(Ethernet.TYPE_IPV4) |
| 371 | .matchTunnelId(vni) |
| 372 | .matchIPSrc(srcSubnet) |
| 373 | .matchEthDst(Constants.DEFAULT_GATEWAY_MAC) |
| 374 | .build(); |
| 375 | |
| 376 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 377 | .group(groupId) |
| 378 | .build(); |
| 379 | |
| 380 | RulePopulatorUtil.setRule( |
| 381 | flowObjectiveService, |
| 382 | appId, |
| 383 | deviceId, |
| 384 | selector, |
| 385 | treatment, |
| 386 | ForwardingObjective.Flag.SPECIFIC, |
| 387 | PRIORITY_EXTERNAL_ROUTING_RULE, |
| 388 | install); |
| 389 | } |
| 390 | |
| 391 | private void setRulesToController(DeviceId deviceId, Long vni, IpPrefix srcSubnet, boolean install) { |
| 392 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 393 | .matchEthType(Ethernet.TYPE_IPV4) |
| 394 | .matchTunnelId(vni) |
| 395 | .matchIPSrc(srcSubnet) |
| 396 | .matchEthDst(Constants.DEFAULT_GATEWAY_MAC) |
| 397 | .build(); |
| 398 | |
| 399 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 400 | .setOutput(PortNumber.CONTROLLER) |
| 401 | .build(); |
| 402 | |
| 403 | RulePopulatorUtil.setRule( |
| 404 | flowObjectiveService, |
| 405 | appId, |
| 406 | deviceId, |
| 407 | selector, |
| 408 | treatment, |
| 409 | ForwardingObjective.Flag.VERSATILE, |
| 410 | PRIORITY_EXTERNAL_ROUTING_RULE, |
| 411 | install); |
| 412 | } |
| 413 | |
| 414 | private void setRulesToGatewayWithDstIp(DeviceId deviceId, GroupId groupId, Long vni, |
| 415 | IpAddress dstIp, boolean install) { |
| 416 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 417 | .matchEthType(Ethernet.TYPE_IPV4) |
| 418 | .matchTunnelId(vni) |
| 419 | .matchIPDst(dstIp.toIpPrefix()) |
| 420 | .build(); |
| 421 | |
| 422 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 423 | .group(groupId) |
| 424 | .build(); |
| 425 | |
| 426 | RulePopulatorUtil.setRule( |
| 427 | flowObjectiveService, |
| 428 | appId, |
| 429 | deviceId, |
| 430 | selector, |
| 431 | treatment, |
| 432 | ForwardingObjective.Flag.SPECIFIC, |
| 433 | PRIORITY_SWITCHING_RULE, |
| 434 | install); |
| 435 | } |
| 436 | |
| 437 | private class InternalRouterEventListener implements OpenstackRouterListener { |
| 438 | |
| 439 | @Override |
| 440 | public boolean isRelevant(OpenstackRouterEvent event) { |
| 441 | // do not allow to proceed without leadership |
| 442 | NodeId leader = leadershipService.getLeader(appId.name()); |
| 443 | return Objects.equals(localNodeId, leader); |
| 444 | } |
| 445 | |
| 446 | // FIXME only one leader in the cluster should process |
| 447 | @Override |
| 448 | public void event(OpenstackRouterEvent event) { |
| 449 | switch (event.type()) { |
| 450 | case OPENSTACK_ROUTER_CREATED: |
| 451 | log.debug("Router(name:{}, ID:{}) is created", |
| 452 | event.subject().getName(), |
| 453 | event.subject().getId()); |
| 454 | eventExecutor.execute(() -> routerUpdated(event.subject())); |
| 455 | break; |
| 456 | case OPENSTACK_ROUTER_UPDATED: |
| 457 | log.debug("Router(name:{}, ID:{}) is updated", |
| 458 | event.subject().getName(), |
| 459 | event.subject().getId()); |
| 460 | eventExecutor.execute(() -> routerUpdated(event.subject())); |
| 461 | break; |
| 462 | case OPENSTACK_ROUTER_REMOVED: |
| 463 | log.debug("Router(name:{}, ID:{}) is removed", |
| 464 | event.subject().getName(), |
| 465 | event.subject().getId()); |
| 466 | break; |
| 467 | case OPENSTACK_ROUTER_INTERFACE_ADDED: |
| 468 | log.debug("Router interface {} added to router {}", |
| 469 | event.routerIface().getPortId(), |
| 470 | event.routerIface().getId()); |
| 471 | eventExecutor.execute(() -> routerIfaceAdded( |
| 472 | event.subject(), |
| 473 | event.routerIface())); |
| 474 | break; |
| 475 | case OPENSTACK_ROUTER_INTERFACE_UPDATED: |
| 476 | log.debug("Router interface {} on {} updated", |
| 477 | event.routerIface().getPortId(), |
| 478 | event.routerIface().getId()); |
| 479 | break; |
| 480 | case OPENSTACK_ROUTER_INTERFACE_REMOVED: |
| 481 | log.debug("Router interface {} removed from router {}", |
| 482 | event.routerIface().getPortId(), |
| 483 | event.routerIface().getId()); |
| 484 | eventExecutor.execute(() -> routerIfaceRemoved( |
| 485 | event.subject(), |
| 486 | event.routerIface())); |
| 487 | break; |
| 488 | case OPENSTACK_ROUTER_GATEWAY_ADDED: |
| 489 | case OPENSTACK_ROUTER_GATEWAY_REMOVED: |
| 490 | case OPENSTACK_FLOATING_IP_CREATED: |
| 491 | case OPENSTACK_FLOATING_IP_UPDATED: |
| 492 | case OPENSTACK_FLOATING_IP_REMOVED: |
| 493 | case OPENSTACK_FLOATING_IP_ASSOCIATED: |
| 494 | case OPENSTACK_FLOATING_IP_DISASSOCIATED: |
| 495 | default: |
| 496 | // do nothing for the other events |
| 497 | break; |
| 498 | } |
| 499 | } |
| 500 | } |
| 501 | |
| 502 | private class InternalNodeEventListener implements OpenstackNodeListener { |
| 503 | |
| 504 | @Override |
| 505 | public boolean isRelevant(OpenstackNodeEvent event) { |
| 506 | // do not allow to proceed without leadership |
| 507 | NodeId leader = leadershipService.getLeader(appId.name()); |
| 508 | return Objects.equals(localNodeId, leader); |
| 509 | } |
| 510 | |
| 511 | @Override |
| 512 | public void event(OpenstackNodeEvent event) { |
| 513 | OpenstackNode osNode = event.subject(); |
| 514 | |
| 515 | switch (event.type()) { |
| 516 | case COMPLETE: |
| 517 | case INCOMPLETE: |
| 518 | eventExecutor.execute(() -> { |
| 519 | log.info("COMPLETE node {} detected", osNode.hostname()); |
| 520 | reconfigureRouters(); |
| 521 | }); |
| 522 | break; |
| 523 | case INIT: |
| 524 | case DEVICE_CREATED: |
| 525 | default: |
| 526 | break; |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | private void reconfigureRouters() { |
| 531 | osRouterService.routers().forEach(osRouter -> { |
| 532 | routerUpdated(osRouter); |
| 533 | osRouterService.routerInterfaces(osRouter.getId()).forEach(iface -> { |
| 534 | routerIfaceAdded(osRouter, iface); |
| 535 | }); |
| 536 | }); |
| 537 | } |
| 538 | } |
| 539 | } |