Daniel Park | 05a9458 | 2021-05-12 10:57:02 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2021-present Open Networking Foundation |
| 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.kubevirtnetworking.impl; |
| 17 | |
| 18 | import com.google.common.collect.Lists; |
| 19 | import org.onlab.packet.ARP; |
| 20 | import org.onlab.packet.EthType; |
| 21 | import org.onlab.packet.Ethernet; |
| 22 | import org.onlab.packet.IPv4; |
| 23 | import org.onlab.packet.IpPrefix; |
| 24 | import org.onlab.packet.TpPort; |
| 25 | import org.onosproject.cluster.ClusterService; |
| 26 | import org.onosproject.cluster.LeadershipService; |
| 27 | import org.onosproject.cluster.NodeId; |
| 28 | import org.onosproject.core.ApplicationId; |
| 29 | import org.onosproject.core.CoreService; |
| 30 | import org.onosproject.core.GroupId; |
| 31 | import org.onosproject.kubevirtnetworking.api.KubevirtFloatingIp; |
| 32 | import org.onosproject.kubevirtnetworking.api.KubevirtFlowRuleService; |
| 33 | import org.onosproject.kubevirtnetworking.api.KubevirtGroupRuleService; |
| 34 | import org.onosproject.kubevirtnetworking.api.KubevirtLoadBalancer; |
| 35 | import org.onosproject.kubevirtnetworking.api.KubevirtLoadBalancerEvent; |
| 36 | import org.onosproject.kubevirtnetworking.api.KubevirtLoadBalancerListener; |
| 37 | import org.onosproject.kubevirtnetworking.api.KubevirtLoadBalancerService; |
| 38 | import org.onosproject.kubevirtnetworking.api.KubevirtNetwork; |
| 39 | import org.onosproject.kubevirtnetworking.api.KubevirtNetworkService; |
| 40 | import org.onosproject.kubevirtnetworking.api.KubevirtPort; |
| 41 | import org.onosproject.kubevirtnetworking.api.KubevirtPortService; |
| 42 | import org.onosproject.kubevirtnetworking.api.KubevirtRouter; |
| 43 | import org.onosproject.kubevirtnetworking.api.KubevirtRouterEvent; |
| 44 | import org.onosproject.kubevirtnetworking.api.KubevirtRouterListener; |
| 45 | import org.onosproject.kubevirtnetworking.api.KubevirtRouterService; |
| 46 | import org.onosproject.kubevirtnetworking.util.RulePopulatorUtil; |
| 47 | import org.onosproject.kubevirtnode.api.KubevirtNode; |
| 48 | import org.onosproject.kubevirtnode.api.KubevirtNodeService; |
| 49 | import org.onosproject.net.Device; |
| 50 | import org.onosproject.net.PortNumber; |
| 51 | import org.onosproject.net.device.DeviceService; |
| 52 | import org.onosproject.net.driver.DriverService; |
| 53 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 54 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 55 | import org.onosproject.net.flow.TrafficSelector; |
| 56 | import org.onosproject.net.flow.TrafficTreatment; |
| 57 | import org.onosproject.net.group.DefaultGroupBucket; |
| 58 | import org.onosproject.net.group.GroupBucket; |
| 59 | import org.onosproject.net.packet.DefaultOutboundPacket; |
| 60 | import org.onosproject.net.packet.PacketService; |
| 61 | import org.osgi.service.component.annotations.Activate; |
| 62 | import org.osgi.service.component.annotations.Component; |
| 63 | import org.osgi.service.component.annotations.Deactivate; |
| 64 | import org.osgi.service.component.annotations.Reference; |
| 65 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 66 | import org.slf4j.Logger; |
| 67 | |
| 68 | import java.nio.ByteBuffer; |
| 69 | import java.util.List; |
| 70 | import java.util.Objects; |
| 71 | import java.util.Set; |
| 72 | import java.util.concurrent.ExecutorService; |
| 73 | |
| 74 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 75 | import static org.onlab.util.Tools.groupedThreads; |
| 76 | import static org.onosproject.kubevirtnetworking.api.Constants.DEFAULT_GATEWAY_MAC; |
| 77 | import static org.onosproject.kubevirtnetworking.api.Constants.GW_DROP_TABLE; |
| 78 | import static org.onosproject.kubevirtnetworking.api.Constants.GW_ENTRY_TABLE; |
| 79 | import static org.onosproject.kubevirtnetworking.api.Constants.KUBEVIRT_NETWORKING_APP_ID; |
| 80 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_ARP_GATEWAY_RULE; |
| 81 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_LB_GATEWAY_TUN_BRIDGE_RULE; |
| 82 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_LB_RULE; |
| 83 | import static org.onosproject.kubevirtnetworking.api.Constants.TUNNEL_DEFAULT_TABLE; |
| 84 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.GENEVE; |
| 85 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.GRE; |
Jian Li | 4b3436a | 2022-03-23 13:07:19 +0900 | [diff] [blame] | 86 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.STT; |
Daniel Park | 05a9458 | 2021-05-12 10:57:02 +0900 | [diff] [blame] | 87 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.VXLAN; |
| 88 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.buildGarpPacket; |
| 89 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.externalPatchPortNum; |
| 90 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.getLoadBalancerSetForRouter; |
| 91 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.getRouterForKubevirtNetwork; |
| 92 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.tunnelPort; |
| 93 | import static org.onosproject.kubevirtnetworking.util.RulePopulatorUtil.buildExtension; |
| 94 | import static org.onosproject.net.group.GroupDescription.Type.SELECT; |
| 95 | import static org.slf4j.LoggerFactory.getLogger; |
| 96 | |
| 97 | /** |
| 98 | * Handles kubevirt loadbalancer. |
| 99 | */ |
| 100 | @Component(immediate = true) |
| 101 | public class KubevirtLbHandler { |
| 102 | protected final Logger log = getLogger(getClass()); |
| 103 | |
| 104 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 105 | protected CoreService coreService; |
| 106 | |
| 107 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 108 | protected ClusterService clusterService; |
| 109 | |
| 110 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 111 | protected LeadershipService leadershipService; |
| 112 | |
| 113 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 114 | protected DriverService driverService; |
| 115 | |
| 116 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 117 | protected DeviceService deviceService; |
| 118 | |
| 119 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 120 | protected PacketService packetService; |
| 121 | |
| 122 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 123 | protected KubevirtRouterService routerService; |
| 124 | |
| 125 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 126 | protected KubevirtNetworkService networkService; |
| 127 | |
| 128 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 129 | protected KubevirtGroupRuleService groupRuleService; |
| 130 | |
| 131 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 132 | protected KubevirtNodeService nodeService; |
| 133 | |
| 134 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 135 | protected KubevirtPortService portService; |
| 136 | |
| 137 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 138 | protected KubevirtLoadBalancerService loadBalancerService; |
| 139 | |
| 140 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 141 | protected KubevirtFlowRuleService flowRuleService; |
| 142 | |
| 143 | private final InternalLbEventListener lbEventListener = |
| 144 | new InternalLbEventListener(); |
| 145 | |
| 146 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 147 | groupedThreads(this.getClass().getSimpleName(), "event-handler")); |
| 148 | |
| 149 | private ApplicationId appId; |
| 150 | private NodeId localNodeId; |
| 151 | |
| 152 | private static final String PROTOCOL_TCP = "TCP"; |
| 153 | private static final String PROTOCOL_UDP = "UDP"; |
| 154 | private static final String PROTOCOL_ICMP = "ICMP"; |
| 155 | |
| 156 | private final InternalRouterEventListener kubevirtRouterlistener = new InternalRouterEventListener(); |
| 157 | |
| 158 | @Activate |
| 159 | protected void activate() { |
| 160 | appId = coreService.registerApplication(KUBEVIRT_NETWORKING_APP_ID); |
| 161 | localNodeId = clusterService.getLocalNode().id(); |
| 162 | leadershipService.runForLeadership(appId.name()); |
| 163 | |
| 164 | loadBalancerService.addListener(lbEventListener); |
| 165 | routerService.addListener(kubevirtRouterlistener); |
| 166 | |
| 167 | |
| 168 | log.info("Started"); |
| 169 | } |
| 170 | |
| 171 | @Deactivate |
| 172 | protected void deactivate() { |
| 173 | leadershipService.withdraw(appId.name()); |
| 174 | |
| 175 | loadBalancerService.removeListener(lbEventListener); |
| 176 | routerService.removeListener(kubevirtRouterlistener); |
| 177 | |
| 178 | eventExecutor.shutdown(); |
| 179 | |
| 180 | log.info("Stopped"); |
| 181 | } |
| 182 | |
| 183 | private class InternalLbEventListener implements KubevirtLoadBalancerListener { |
| 184 | private boolean isRelevantHelper() { |
| 185 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 186 | } |
| 187 | |
| 188 | @Override |
| 189 | public void event(KubevirtLoadBalancerEvent event) { |
| 190 | switch (event.type()) { |
| 191 | case KUBEVIRT_LOAD_BALANCER_CREATED: |
| 192 | eventExecutor.execute(() -> processLbCreated(event.subject())); |
| 193 | break; |
| 194 | case KUBEVIRT_LOAD_BALANCER_UPDATED: |
| 195 | eventExecutor.execute(() -> processLbUpdated(event.subject(), event.oldLb())); |
| 196 | break; |
| 197 | case KUBEVIRT_LOAD_BALANCER_REMOVED: |
| 198 | eventExecutor.execute(() -> processLbRemoved(event.subject())); |
| 199 | break; |
| 200 | default: |
| 201 | //do nothing |
| 202 | break; |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | private void processLbCreated(KubevirtLoadBalancer loadBalancer) { |
| 207 | if (!isRelevantHelper()) { |
| 208 | return; |
| 209 | } |
| 210 | |
| 211 | KubevirtNetwork network = networkService.network(loadBalancer.networkId()); |
| 212 | |
| 213 | if (network == null) { |
| 214 | log.warn("Failed to process processLbCreated because there's no network for lb {}", |
| 215 | loadBalancer.name()); |
| 216 | return; |
| 217 | } |
| 218 | |
| 219 | KubevirtRouter router = |
| 220 | getRouterForKubevirtNetwork(routerService, network); |
| 221 | |
| 222 | if (router == null) { |
| 223 | log.warn("Failed to process processLbCreated because there's no router for lb {}", |
| 224 | loadBalancer.name()); |
| 225 | return; |
| 226 | } |
| 227 | |
| 228 | if (router.electedGateway() == null) { |
| 229 | log.warn("Failed to process processLbCreated because there's elected gateway for lb {}", |
| 230 | loadBalancer.name()); |
| 231 | return; |
| 232 | } |
| 233 | |
| 234 | KubevirtNode gateway = nodeService.node(router.electedGateway()); |
| 235 | |
| 236 | setLbGroup(loadBalancer, gateway, true); |
| 237 | setBucketsToGroup(loadBalancer, gateway, true); |
| 238 | setLbDownstreamRules(loadBalancer, router, gateway, true); |
| 239 | setLbUpstreamRules(loadBalancer, router, gateway, true); |
| 240 | |
Jian Li | 4b3436a | 2022-03-23 13:07:19 +0900 | [diff] [blame] | 241 | if (network.type() == VXLAN || network.type() == GENEVE || network.type() == GRE || network.type() == STT) { |
Daniel Park | 05a9458 | 2021-05-12 10:57:02 +0900 | [diff] [blame] | 242 | setLbDownStreamRulesForTunBridge(loadBalancer, gateway, true); |
| 243 | } |
| 244 | } |
| 245 | |
| 246 | private void processLbUpdated(KubevirtLoadBalancer loadBalancer, KubevirtLoadBalancer old) { |
| 247 | if (!isRelevantHelper()) { |
| 248 | return; |
| 249 | } |
| 250 | // clean up buckets and flow rules related to the old loadbalancer |
| 251 | |
| 252 | KubevirtNetwork oldNetwork = networkService.network(loadBalancer.networkId()); |
| 253 | |
| 254 | if (oldNetwork == null) { |
| 255 | log.warn("Failed to process processLbUpdated because there's no network for lb {}", |
| 256 | loadBalancer.name()); |
| 257 | return; |
| 258 | } |
| 259 | |
| 260 | KubevirtRouter oldRouter = |
| 261 | getRouterForKubevirtNetwork(routerService, oldNetwork); |
| 262 | |
| 263 | if (oldRouter == null) { |
| 264 | log.warn("Failed to process processLbUpdated because there's no router for lb {}", |
| 265 | loadBalancer.name()); |
| 266 | return; |
| 267 | } |
| 268 | |
| 269 | if (oldRouter.electedGateway() == null) { |
| 270 | log.warn("Failed to process processLbUpdated because there's elected gateway for lb {}", |
| 271 | loadBalancer.name()); |
| 272 | return; |
| 273 | } |
| 274 | KubevirtNode oldGateway = nodeService.node(oldRouter.electedGateway()); |
| 275 | |
| 276 | setLbDownstreamRules(old, oldRouter, oldGateway, false); |
| 277 | setLbUpstreamRules(old, oldRouter, oldGateway, false); |
Jian Li | 4b3436a | 2022-03-23 13:07:19 +0900 | [diff] [blame] | 278 | if (oldNetwork.type() == VXLAN || oldNetwork.type() == GENEVE || |
| 279 | oldNetwork.type() == GRE || oldNetwork.type() == STT) { |
Daniel Park | 05a9458 | 2021-05-12 10:57:02 +0900 | [diff] [blame] | 280 | setLbDownStreamRulesForTunBridge(loadBalancer, oldGateway, false); |
| 281 | } |
| 282 | setBucketsToGroup(old, oldGateway, false); |
| 283 | setLbGroup(old, oldGateway, false); |
| 284 | |
| 285 | |
| 286 | KubevirtNetwork network = networkService.network(loadBalancer.networkId()); |
| 287 | |
| 288 | if (network == null) { |
| 289 | log.warn("Failed to process processLbUpdated because there's no network for lb {}", |
| 290 | loadBalancer.name()); |
| 291 | return; |
| 292 | } |
| 293 | |
| 294 | KubevirtRouter router = |
| 295 | getRouterForKubevirtNetwork(routerService, network); |
| 296 | |
| 297 | if (router == null) { |
| 298 | log.warn("Failed to process processLbUpdated because there's no router for lb {}", |
| 299 | loadBalancer.name()); |
| 300 | return; |
| 301 | } |
| 302 | |
| 303 | if (router.electedGateway() == null) { |
| 304 | log.warn("Failed to process processLbUpdated because there's elected gateway for lb {}", |
| 305 | loadBalancer.name()); |
| 306 | return; |
| 307 | } |
| 308 | |
| 309 | KubevirtNode gateway = nodeService.node(router.electedGateway()); |
| 310 | |
| 311 | setLbGroup(loadBalancer, gateway, true); |
| 312 | setBucketsToGroup(loadBalancer, gateway, true); |
| 313 | setLbDownstreamRules(loadBalancer, router, gateway, true); |
| 314 | setLbUpstreamRules(loadBalancer, router, gateway, true); |
Jian Li | 4b3436a | 2022-03-23 13:07:19 +0900 | [diff] [blame] | 315 | if (network.type() == VXLAN || network.type() == GENEVE || |
| 316 | network.type() == GRE || network.type() == STT) { |
Daniel Park | 05a9458 | 2021-05-12 10:57:02 +0900 | [diff] [blame] | 317 | setLbDownStreamRulesForTunBridge(loadBalancer, gateway, true); |
| 318 | } |
| 319 | } |
| 320 | |
| 321 | private void processLbRemoved(KubevirtLoadBalancer loadBalancer) { |
| 322 | if (!isRelevantHelper()) { |
| 323 | return; |
| 324 | } |
| 325 | |
| 326 | KubevirtNetwork network = networkService.network(loadBalancer.networkId()); |
| 327 | |
| 328 | if (network == null) { |
| 329 | log.warn("Failed to process processLbRemoved because there's no network for lb {}", |
| 330 | loadBalancer.name()); |
| 331 | return; |
| 332 | } |
| 333 | |
| 334 | KubevirtRouter router = |
| 335 | getRouterForKubevirtNetwork(routerService, network); |
| 336 | |
| 337 | if (router == null) { |
| 338 | log.warn("Failed to process processLbRemoved because there's no router for lb {}", |
| 339 | loadBalancer.name()); |
| 340 | return; |
| 341 | } |
| 342 | |
| 343 | if (router.electedGateway() == null) { |
| 344 | log.warn("Failed to process processLbRemoved because there's elected gateway for lb {}", |
| 345 | loadBalancer.name()); |
| 346 | return; |
| 347 | } |
| 348 | |
| 349 | KubevirtNode gateway = nodeService.node(router.electedGateway()); |
| 350 | |
| 351 | setLbDownstreamRules(loadBalancer, router, gateway, false); |
| 352 | setLbUpstreamRules(loadBalancer, router, gateway, false); |
| 353 | setBucketsToGroup(loadBalancer, gateway, false); |
| 354 | setLbGroup(loadBalancer, gateway, false); |
| 355 | |
Jian Li | 4b3436a | 2022-03-23 13:07:19 +0900 | [diff] [blame] | 356 | if (network.type() == VXLAN || network.type() == GENEVE || network.type() == GRE || network.type() == STT) { |
Daniel Park | 05a9458 | 2021-05-12 10:57:02 +0900 | [diff] [blame] | 357 | setLbDownStreamRulesForTunBridge(loadBalancer, gateway, false); |
| 358 | } |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | private void setLbGroup(KubevirtLoadBalancer loadBalancer, KubevirtNode gateway, boolean install) { |
| 363 | |
| 364 | int groupId = loadBalancer.hashCode(); |
| 365 | |
| 366 | groupRuleService.setRule(appId, gateway.intgBridge(), groupId, |
| 367 | SELECT, Lists.newArrayList(), install); |
| 368 | } |
| 369 | |
| 370 | private void setBucketsToGroup(KubevirtLoadBalancer loadBalancer, KubevirtNode gateway, boolean install) { |
| 371 | int groupId = loadBalancer.hashCode(); |
| 372 | |
| 373 | KubevirtNetwork network = networkService.network(loadBalancer.networkId()); |
| 374 | |
| 375 | Set<KubevirtPort> ports = portService.ports(loadBalancer.networkId()); |
| 376 | |
| 377 | List<GroupBucket> bkts = Lists.newArrayList(); |
| 378 | loadBalancer.members().forEach(ip -> { |
| 379 | ports.stream().filter(port -> port.ipAddress().equals(ip) && port.macAddress() != null) |
| 380 | .findAny().ifPresent(port -> bkts.add(buildGroupBucket(port))); |
| 381 | }); |
| 382 | |
| 383 | groupRuleService.setBuckets(appId, gateway.intgBridge(), |
| 384 | groupId, bkts, install); |
| 385 | } |
| 386 | |
| 387 | private void setLbDownstreamRules(KubevirtLoadBalancer loadBalancer, |
| 388 | KubevirtRouter router, |
| 389 | KubevirtNode gateway, boolean install) { |
| 390 | |
| 391 | int groupId = loadBalancer.hashCode(); |
| 392 | |
| 393 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 394 | .setEthSrc(router.mac()) |
| 395 | .group(GroupId.valueOf(groupId)) |
| 396 | .build(); |
| 397 | |
| 398 | loadBalancer.rules().forEach(rule -> { |
| 399 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 400 | switch (rule.protocol().toUpperCase()) { |
| 401 | case PROTOCOL_TCP: |
| 402 | sBuilder.matchIPDst(loadBalancer.vip().toIpPrefix()) |
| 403 | .matchEthType(Ethernet.TYPE_IPV4) |
| 404 | .matchIPProtocol(IPv4.PROTOCOL_TCP) |
| 405 | .matchTcpDst(TpPort.tpPort(rule.portRangeMin().intValue())); |
| 406 | break; |
| 407 | case PROTOCOL_UDP: |
| 408 | sBuilder.matchIPDst(loadBalancer.vip().toIpPrefix()) |
| 409 | .matchEthType(Ethernet.TYPE_IPV4) |
| 410 | .matchIPProtocol(IPv4.PROTOCOL_UDP) |
| 411 | .matchUdpDst(TpPort.tpPort(rule.portRangeMin().intValue())); |
| 412 | break; |
| 413 | case PROTOCOL_ICMP: |
| 414 | sBuilder.matchIPDst(loadBalancer.vip().toIpPrefix()) |
| 415 | .matchEthType(Ethernet.TYPE_IPV4) |
| 416 | .matchIPProtocol(IPv4.PROTOCOL_ICMP); |
| 417 | break; |
| 418 | default: |
| 419 | break; |
| 420 | } |
| 421 | |
| 422 | flowRuleService.setRule( |
| 423 | appId, |
| 424 | gateway.intgBridge(), |
| 425 | sBuilder.build(), |
| 426 | treatment, |
| 427 | PRIORITY_LB_RULE, |
| 428 | GW_DROP_TABLE, |
| 429 | install |
| 430 | ); |
| 431 | }); |
| 432 | } |
| 433 | |
| 434 | private void setLbDownstreamRulesForFloatingIp(KubevirtNode gateway, |
| 435 | KubevirtFloatingIp floatingIp, |
| 436 | boolean install) { |
| 437 | |
| 438 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 439 | .matchEthType(Ethernet.TYPE_IPV4) |
| 440 | .matchIPDst(floatingIp.floatingIp().toIpPrefix()); |
| 441 | |
| 442 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 443 | .setIpDst(floatingIp.fixedIp()) |
| 444 | .transition(GW_DROP_TABLE); |
| 445 | |
| 446 | flowRuleService.setRule( |
| 447 | appId, |
| 448 | gateway.intgBridge(), |
| 449 | sBuilder.build(), |
| 450 | tBuilder.build(), |
| 451 | PRIORITY_LB_RULE, |
| 452 | GW_ENTRY_TABLE, |
| 453 | install); |
| 454 | } |
| 455 | |
| 456 | private void setLbDownStreamRulesForTunBridge(KubevirtLoadBalancer loadBalancer, |
| 457 | KubevirtNode gateway, boolean install) { |
| 458 | Set<KubevirtPort> ports = portService.ports(loadBalancer.networkId()); |
| 459 | KubevirtNetwork network = networkService.network(loadBalancer.networkId()); |
| 460 | |
| 461 | PortNumber tunnelPortNumber = tunnelPort(gateway, network); |
| 462 | if (tunnelPortNumber == null) { |
| 463 | return; |
| 464 | } |
| 465 | |
| 466 | loadBalancer.members().forEach(ip -> { |
| 467 | ports.stream().filter(port -> port.ipAddress().equals(ip) && port.macAddress() != null) |
| 468 | .findAny().ifPresent(port -> { |
| 469 | |
| 470 | KubevirtNode workerNode = nodeService.node(port.deviceId()); |
| 471 | |
| 472 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 473 | .matchEthType(Ethernet.TYPE_IPV4) |
| 474 | .matchIPDst(IpPrefix.valueOf(port.ipAddress(), 32)) |
| 475 | .matchEthDst(port.macAddress()); |
| 476 | |
| 477 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 478 | .setTunnelId(Long.parseLong(network.segmentId())) |
| 479 | .extension(buildExtension( |
| 480 | deviceService, |
| 481 | gateway.tunBridge(), |
| 482 | workerNode.dataIp().getIp4Address()), |
| 483 | gateway.tunBridge()) |
| 484 | .setOutput(tunnelPortNumber); |
| 485 | |
| 486 | flowRuleService.setRule( |
| 487 | appId, |
| 488 | gateway.tunBridge(), |
| 489 | sBuilder.build(), |
| 490 | tBuilder.build(), |
| 491 | PRIORITY_LB_GATEWAY_TUN_BRIDGE_RULE, |
| 492 | TUNNEL_DEFAULT_TABLE, |
| 493 | install); |
| 494 | }); |
| 495 | }); |
| 496 | } |
| 497 | private void setLbUpstreamRules(KubevirtLoadBalancer loadBalancer, |
| 498 | KubevirtRouter router, |
| 499 | KubevirtNode gateway, boolean install) { |
| 500 | |
| 501 | Set<KubevirtPort> ports = portService.ports(loadBalancer.networkId()); |
| 502 | |
| 503 | loadBalancer.members().forEach(ip -> { |
| 504 | ports.stream().filter(port -> port.ipAddress().equals(ip) && port.macAddress() != null) |
| 505 | .findAny().ifPresent(port -> { |
| 506 | loadBalancer.rules().forEach(rule -> { |
| 507 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 508 | .matchEthType(Ethernet.TYPE_IPV4) |
| 509 | .matchEthSrc(port.macAddress()) |
| 510 | .matchIPSrc(port.ipAddress().toIpPrefix()); |
| 511 | |
| 512 | switch (rule.protocol().toUpperCase()) { |
| 513 | case PROTOCOL_TCP: |
| 514 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_TCP) |
| 515 | .matchTcpSrc(TpPort.tpPort(rule.portRangeMin())); |
| 516 | break; |
| 517 | case PROTOCOL_UDP: |
| 518 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_UDP) |
| 519 | .matchUdpSrc(TpPort.tpPort(rule.portRangeMin())); |
| 520 | break; |
| 521 | case PROTOCOL_ICMP: |
| 522 | sBuilder.matchIPProtocol(IPv4.PROTOCOL_ICMP); |
| 523 | break; |
| 524 | default: |
| 525 | break; |
| 526 | } |
| 527 | |
| 528 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 529 | .setEthSrc(router.mac()) |
| 530 | .setIpSrc(loadBalancer.vip()) |
| 531 | .transition(GW_DROP_TABLE); |
| 532 | |
| 533 | flowRuleService.setRule( |
| 534 | appId, |
| 535 | gateway.intgBridge(), |
| 536 | sBuilder.build(), |
| 537 | tBuilder.build(), |
| 538 | PRIORITY_LB_RULE, |
| 539 | GW_ENTRY_TABLE, |
| 540 | install); |
| 541 | }); |
| 542 | }); |
| 543 | }); |
| 544 | } |
| 545 | |
| 546 | private void setArpResponseRuleForFloatingIp(KubevirtNode gateway, |
| 547 | KubevirtFloatingIp floatingIp, |
| 548 | boolean install) { |
| 549 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 550 | .matchInPort(externalPatchPortNum(deviceService, gateway)) |
| 551 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 552 | .matchArpOp(ARP.OP_REQUEST) |
| 553 | .matchArpTpa(floatingIp.floatingIp().getIp4Address()) |
| 554 | .build(); |
| 555 | |
| 556 | Device device = deviceService.getDevice(gateway.intgBridge()); |
| 557 | |
| 558 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 559 | .extension(RulePopulatorUtil.buildMoveEthSrcToDstExtension(device), device.id()) |
| 560 | .extension(RulePopulatorUtil.buildMoveArpShaToThaExtension(device), device.id()) |
| 561 | .extension(RulePopulatorUtil.buildMoveArpSpaToTpaExtension(device), device.id()) |
| 562 | .setArpOp(ARP.OP_REPLY) |
| 563 | .setEthSrc(DEFAULT_GATEWAY_MAC) |
| 564 | .setArpSha(DEFAULT_GATEWAY_MAC) |
| 565 | .setArpSpa(floatingIp.floatingIp().getIp4Address()) |
| 566 | .setOutput(PortNumber.IN_PORT) |
| 567 | .build(); |
| 568 | |
| 569 | flowRuleService.setRule( |
| 570 | appId, |
| 571 | gateway.intgBridge(), |
| 572 | selector, |
| 573 | treatment, |
| 574 | PRIORITY_ARP_GATEWAY_RULE, |
| 575 | GW_ENTRY_TABLE, |
| 576 | install); |
| 577 | } |
| 578 | private void setLbUpstreamRulesForFloatingIp(KubevirtRouter router, |
| 579 | KubevirtNode gateway, |
| 580 | KubevirtFloatingIp floatingIp, |
| 581 | boolean install) { |
| 582 | if (router.peerRouter().macAddress() == null) { |
| 583 | return; |
| 584 | } |
| 585 | |
| 586 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 587 | .matchEthType(Ethernet.TYPE_IPV4) |
| 588 | .matchEthSrc(router.mac()) |
| 589 | .matchIPSrc(floatingIp.fixedIp().toIpPrefix()); |
| 590 | |
| 591 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 592 | .setEthSrc(DEFAULT_GATEWAY_MAC) |
| 593 | .setIpSrc(floatingIp.floatingIp()) |
| 594 | .setEthDst(router.peerRouter().macAddress()) |
| 595 | .setOutput(externalPatchPortNum(deviceService, gateway)); |
| 596 | |
| 597 | flowRuleService.setRule( |
| 598 | appId, |
| 599 | gateway.intgBridge(), |
| 600 | sBuilder.build(), |
| 601 | tBuilder.build(), |
| 602 | PRIORITY_LB_RULE, |
| 603 | GW_DROP_TABLE, |
| 604 | install); |
| 605 | } |
| 606 | |
| 607 | private GroupBucket buildGroupBucket(KubevirtPort port) { |
| 608 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 609 | tBuilder.setEthDst(port.macAddress()) |
| 610 | .setIpDst(port.ipAddress()) |
| 611 | .setOutput(PortNumber.NORMAL); |
| 612 | |
| 613 | return DefaultGroupBucket.createSelectGroupBucket(tBuilder.build()); |
| 614 | } |
| 615 | |
| 616 | private class InternalRouterEventListener implements KubevirtRouterListener { |
| 617 | private boolean isRelevantHelper() { |
| 618 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 619 | } |
| 620 | |
| 621 | @Override |
| 622 | public void event(KubevirtRouterEvent event) { |
| 623 | switch (event.type()) { |
| 624 | case KUBEVIRT_GATEWAY_NODE_ATTACHED: |
| 625 | eventExecutor.execute(() -> processRouterGatewayNodeAttached(event.subject(), |
| 626 | event.gateway())); |
| 627 | break; |
| 628 | case KUBEVIRT_GATEWAY_NODE_CHANGED: |
| 629 | eventExecutor.execute(() -> processRouterGatewayNodeChanged(event.subject(), |
| 630 | event.gateway())); |
| 631 | break; |
| 632 | case KUBEVIRT_GATEWAY_NODE_DETACHED: |
| 633 | eventExecutor.execute(() -> processRouterGatewayNodeDetached(event.subject(), |
| 634 | event.gateway())); |
| 635 | break; |
| 636 | |
| 637 | case KUBEVIRT_FLOATING_IP_LB_ASSOCIATED: |
| 638 | eventExecutor.execute(() -> processFloatingIpAssociated(event.subject(), |
| 639 | event.floatingIp())); |
| 640 | break; |
| 641 | case KUBEVIRT_FLOATING_IP_LB_DISASSOCIATED: |
| 642 | eventExecutor.execute(() -> processFloatingIpDisAssociated(event.subject(), |
| 643 | event.floatingIp())); |
| 644 | break; |
| 645 | case KUBEVIRT_PEER_ROUTER_MAC_RETRIEVED: |
| 646 | eventExecutor.execute(() -> processPeerRouterRetrieved(event.subject())); |
| 647 | break; |
| 648 | default: |
| 649 | //do nothing |
| 650 | break; |
| 651 | } |
| 652 | } |
| 653 | |
| 654 | private void processPeerRouterRetrieved(KubevirtRouter router) { |
| 655 | if (!isRelevantHelper()) { |
| 656 | return; |
| 657 | } |
| 658 | |
| 659 | if (router.peerRouter().macAddress() == null) { |
| 660 | return; |
| 661 | } |
| 662 | |
| 663 | if (router.electedGateway() == null) { |
| 664 | return; |
| 665 | } |
| 666 | |
| 667 | processRouterGatewayNodeAttached(router, router.electedGateway()); |
| 668 | } |
| 669 | |
| 670 | private void processFloatingIpAssociated(KubevirtRouter router, KubevirtFloatingIp floatingIp) { |
| 671 | if (!isRelevantHelper()) { |
| 672 | return; |
| 673 | } |
| 674 | |
| 675 | if (router.electedGateway() == null) { |
| 676 | log.warn("Failed to process processFloatingIpAssociated because there's elected gateway for fip {}", |
| 677 | floatingIp.floatingIp()); |
| 678 | return; |
| 679 | } |
| 680 | |
| 681 | KubevirtNode gateway = nodeService.node(router.electedGateway()); |
| 682 | |
| 683 | loadBalancerService.loadBalancers().stream() |
| 684 | .filter(lb -> lb.vip().equals(floatingIp.fixedIp())) |
| 685 | .findAny() |
| 686 | .ifPresent(lb -> { |
| 687 | setLbUpstreamRulesForFloatingIp(router, gateway, floatingIp, true); |
| 688 | setLbDownstreamRulesForFloatingIp(gateway, floatingIp, true); |
| 689 | setArpResponseRuleForFloatingIp(gateway, floatingIp, true); |
| 690 | processGarpPacketForFloatingIp(floatingIp, gateway); |
| 691 | }); |
| 692 | } |
| 693 | |
| 694 | private void processGarpPacketForFloatingIp(KubevirtFloatingIp floatingIp, KubevirtNode electedGw) { |
| 695 | if (floatingIp == null) { |
| 696 | return; |
| 697 | } |
| 698 | |
| 699 | Ethernet ethernet = buildGarpPacket(DEFAULT_GATEWAY_MAC, floatingIp.floatingIp()); |
| 700 | if (ethernet == null) { |
| 701 | return; |
| 702 | } |
| 703 | |
| 704 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 705 | .setOutput(externalPatchPortNum(deviceService, electedGw)).build(); |
| 706 | |
| 707 | packetService.emit(new DefaultOutboundPacket(electedGw.intgBridge(), treatment, |
| 708 | ByteBuffer.wrap(ethernet.serialize()))); |
| 709 | } |
| 710 | |
| 711 | private void processFloatingIpDisAssociated(KubevirtRouter router, KubevirtFloatingIp floatingIp) { |
| 712 | if (!isRelevantHelper()) { |
| 713 | return; |
| 714 | } |
| 715 | |
| 716 | if (router.electedGateway() == null) { |
| 717 | log.warn("Failed to process processFloatingIpDisAssociated because there's elected gateway for fip {}", |
| 718 | floatingIp.floatingIp()); |
| 719 | return; |
| 720 | } |
| 721 | |
| 722 | KubevirtNode gateway = nodeService.node(router.electedGateway()); |
| 723 | |
| 724 | |
| 725 | loadBalancerService.loadBalancers().stream() |
| 726 | .filter(lb -> lb.vip().equals(floatingIp.fixedIp())) |
| 727 | .findAny() |
| 728 | .ifPresent(lb -> { |
| 729 | setLbUpstreamRulesForFloatingIp(router, gateway, floatingIp, false); |
| 730 | setLbDownstreamRulesForFloatingIp(gateway, floatingIp, false); |
| 731 | setArpResponseRuleForFloatingIp(gateway, floatingIp, false); |
| 732 | }); |
| 733 | } |
| 734 | |
| 735 | private void processRouterGatewayNodeAttached(KubevirtRouter router, |
| 736 | String associatedGateway) { |
| 737 | if (!isRelevantHelper()) { |
| 738 | return; |
| 739 | } |
| 740 | |
| 741 | KubevirtNode gatewayNode = nodeService.node(associatedGateway); |
| 742 | if (gatewayNode == null) { |
| 743 | return; |
| 744 | } |
| 745 | |
| 746 | getLoadBalancerSetForRouter(router, loadBalancerService).forEach(loadBalancer -> { |
| 747 | setLbGroup(loadBalancer, gatewayNode, true); |
| 748 | setBucketsToGroup(loadBalancer, gatewayNode, true); |
| 749 | setLbDownstreamRules(loadBalancer, router, gatewayNode, true); |
| 750 | setLbUpstreamRules(loadBalancer, router, gatewayNode, true); |
| 751 | |
| 752 | KubevirtNetwork network = networkService.network(loadBalancer.networkId()); |
Jian Li | 4b3436a | 2022-03-23 13:07:19 +0900 | [diff] [blame] | 753 | if (network.type() == VXLAN || network.type() == GENEVE || |
| 754 | network.type() == GRE || network.type() == STT) { |
Daniel Park | 05a9458 | 2021-05-12 10:57:02 +0900 | [diff] [blame] | 755 | setLbDownStreamRulesForTunBridge(loadBalancer, gatewayNode, true); |
| 756 | } |
| 757 | |
| 758 | routerService.floatingIpsByRouter(router.name()) |
| 759 | .stream() |
| 760 | .filter(fip -> fip.fixedIp() != null && fip.fixedIp().equals(loadBalancer.vip())) |
| 761 | .findAny() |
| 762 | .ifPresent(fip -> { |
| 763 | setLbDownstreamRulesForFloatingIp(gatewayNode, fip, true); |
| 764 | setLbUpstreamRulesForFloatingIp(router, gatewayNode, fip, true); |
| 765 | setArpResponseRuleForFloatingIp(gatewayNode, fip, true); |
| 766 | }); |
| 767 | }); |
| 768 | } |
| 769 | |
| 770 | private void processRouterGatewayNodeDetached(KubevirtRouter router, |
| 771 | String disAssociatedGateway) { |
| 772 | if (!isRelevantHelper()) { |
| 773 | return; |
| 774 | } |
| 775 | |
| 776 | KubevirtNode gatewayNode = nodeService.node(disAssociatedGateway); |
| 777 | if (gatewayNode == null) { |
| 778 | return; |
| 779 | } |
| 780 | |
| 781 | getLoadBalancerSetForRouter(router, loadBalancerService).forEach(loadBalancer -> { |
| 782 | setLbDownstreamRules(loadBalancer, router, gatewayNode, false); |
| 783 | setLbUpstreamRules(loadBalancer, router, gatewayNode, false); |
| 784 | setBucketsToGroup(loadBalancer, gatewayNode, false); |
| 785 | setLbGroup(loadBalancer, gatewayNode, false); |
| 786 | |
| 787 | KubevirtNetwork network = networkService.network(loadBalancer.networkId()); |
Jian Li | 4b3436a | 2022-03-23 13:07:19 +0900 | [diff] [blame] | 788 | if (network.type() == VXLAN || network.type() == GENEVE || |
| 789 | network.type() == GRE || network.type() == STT) { |
Daniel Park | 05a9458 | 2021-05-12 10:57:02 +0900 | [diff] [blame] | 790 | setLbDownStreamRulesForTunBridge(loadBalancer, gatewayNode, false); |
| 791 | } |
| 792 | |
| 793 | routerService.floatingIpsByRouter(router.name()) |
| 794 | .stream() |
| 795 | .filter(fip -> fip.fixedIp() != null && fip.fixedIp().equals(loadBalancer.vip())) |
| 796 | .findAny() |
| 797 | .ifPresent(fip -> { |
| 798 | setLbDownstreamRulesForFloatingIp(gatewayNode, fip, false); |
| 799 | setLbUpstreamRulesForFloatingIp(router, gatewayNode, fip, false); |
| 800 | setArpResponseRuleForFloatingIp(gatewayNode, fip, false); |
| 801 | }); |
| 802 | }); |
| 803 | } |
| 804 | |
| 805 | private void processRouterGatewayNodeChanged(KubevirtRouter router, |
| 806 | String disAssociatedGateway) { |
| 807 | if (!isRelevantHelper()) { |
| 808 | return; |
| 809 | } |
| 810 | |
| 811 | processRouterGatewayNodeDetached(router, disAssociatedGateway); |
| 812 | |
| 813 | KubevirtNode newGatewayNode = nodeService.node(router.electedGateway()); |
| 814 | if (newGatewayNode == null) { |
| 815 | return; |
| 816 | } |
| 817 | processRouterGatewayNodeAttached(router, newGatewayNode.hostname()); |
| 818 | } |
| 819 | } |
| 820 | } |