Daniel Park | f313604 | 2021-03-10 07:49:11 +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 org.onlab.packet.ARP; |
| 19 | import org.onlab.packet.EthType; |
| 20 | import org.onlab.packet.Ethernet; |
| 21 | import org.onlab.packet.IpPrefix; |
| 22 | import org.onlab.packet.MacAddress; |
| 23 | import org.onosproject.cluster.ClusterService; |
| 24 | import org.onosproject.cluster.LeadershipService; |
| 25 | import org.onosproject.cluster.NodeId; |
| 26 | import org.onosproject.core.ApplicationId; |
| 27 | import org.onosproject.core.CoreService; |
| 28 | import org.onosproject.kubevirtnetworking.api.KubevirtFloatingIp; |
| 29 | import org.onosproject.kubevirtnetworking.api.KubevirtFlowRuleService; |
| 30 | import org.onosproject.kubevirtnetworking.api.KubevirtNetwork; |
| 31 | import org.onosproject.kubevirtnetworking.api.KubevirtNetworkService; |
| 32 | import org.onosproject.kubevirtnetworking.api.KubevirtPort; |
| 33 | import org.onosproject.kubevirtnetworking.api.KubevirtPortService; |
| 34 | import org.onosproject.kubevirtnetworking.api.KubevirtRouter; |
| 35 | import org.onosproject.kubevirtnetworking.api.KubevirtRouterEvent; |
| 36 | import org.onosproject.kubevirtnetworking.api.KubevirtRouterListener; |
| 37 | import org.onosproject.kubevirtnetworking.api.KubevirtRouterService; |
| 38 | import org.onosproject.kubevirtnetworking.util.RulePopulatorUtil; |
| 39 | import org.onosproject.kubevirtnode.api.KubevirtNode; |
Jian Li | 517597a | 2021-03-22 11:04:52 +0900 | [diff] [blame] | 40 | import org.onosproject.kubevirtnode.api.KubevirtNodeEvent; |
| 41 | import org.onosproject.kubevirtnode.api.KubevirtNodeListener; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 42 | import org.onosproject.kubevirtnode.api.KubevirtNodeService; |
| 43 | import org.onosproject.net.Device; |
| 44 | import org.onosproject.net.PortNumber; |
| 45 | import org.onosproject.net.device.DeviceAdminService; |
| 46 | import org.onosproject.net.driver.DriverService; |
| 47 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 48 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 49 | import org.onosproject.net.flow.TrafficSelector; |
| 50 | import org.onosproject.net.flow.TrafficTreatment; |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 51 | import org.onosproject.net.packet.DefaultOutboundPacket; |
| 52 | import org.onosproject.net.packet.PacketService; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 53 | import org.osgi.service.component.annotations.Activate; |
| 54 | import org.osgi.service.component.annotations.Component; |
| 55 | import org.osgi.service.component.annotations.Deactivate; |
| 56 | import org.osgi.service.component.annotations.Reference; |
| 57 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 58 | import org.slf4j.Logger; |
| 59 | |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 60 | import java.nio.ByteBuffer; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 61 | import java.util.Objects; |
| 62 | import java.util.concurrent.ExecutorService; |
| 63 | |
| 64 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 65 | import static org.onlab.util.Tools.groupedThreads; |
| 66 | import static org.onosproject.kubevirtnetworking.api.Constants.FORWARDING_TABLE; |
| 67 | import static org.onosproject.kubevirtnetworking.api.Constants.KUBEVIRT_NETWORKING_APP_ID; |
| 68 | import static org.onosproject.kubevirtnetworking.api.Constants.PRE_FLAT_TABLE; |
| 69 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_ARP_GATEWAY_RULE; |
| 70 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_FLOATING_IP_RULE; |
| 71 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_FORWARDING_RULE; |
| 72 | import static org.onosproject.kubevirtnetworking.api.Constants.TUNNEL_DEFAULT_TABLE; |
| 73 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.GENEVE; |
| 74 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.GRE; |
| 75 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.VXLAN; |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 76 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.buildGarpPacket; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 77 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.externalPatchPortNum; |
| 78 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.gatewayNodeForSpecifiedRouter; |
| 79 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.getRouterMacAddress; |
| 80 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.tunnelPort; |
| 81 | import static org.onosproject.kubevirtnetworking.util.RulePopulatorUtil.buildExtension; |
| 82 | import static org.slf4j.LoggerFactory.getLogger; |
| 83 | |
| 84 | /** |
| 85 | * Handles kubevirt floating ip. |
| 86 | */ |
| 87 | @Component(immediate = true) |
| 88 | public class KubevirtFloatingIpHandler { |
| 89 | protected final Logger log = getLogger(getClass()); |
| 90 | |
| 91 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 92 | protected CoreService coreService; |
| 93 | |
| 94 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 95 | protected ClusterService clusterService; |
| 96 | |
| 97 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 98 | protected LeadershipService leadershipService; |
| 99 | |
| 100 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 101 | protected DeviceAdminService deviceService; |
| 102 | |
| 103 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 104 | protected PacketService packetService; |
| 105 | |
| 106 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 107 | protected KubevirtPortService kubevirtPortService; |
| 108 | |
| 109 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 110 | protected KubevirtNodeService kubevirtNodeService; |
| 111 | |
| 112 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 113 | protected KubevirtNetworkService kubevirtNetworkService; |
| 114 | |
| 115 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 116 | protected KubevirtFlowRuleService flowService; |
| 117 | |
| 118 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 119 | protected DriverService driverService; |
| 120 | |
| 121 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 122 | protected KubevirtRouterService kubevirtRouterService; |
| 123 | |
| 124 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 125 | groupedThreads(this.getClass().getSimpleName(), "event-handler")); |
| 126 | |
| 127 | private ApplicationId appId; |
| 128 | private NodeId localNodeId; |
| 129 | |
Jian Li | 517597a | 2021-03-22 11:04:52 +0900 | [diff] [blame] | 130 | private final InternalRouterEventListener kubevirtRouterListener = |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 131 | new InternalRouterEventListener(); |
| 132 | |
Jian Li | 517597a | 2021-03-22 11:04:52 +0900 | [diff] [blame] | 133 | private final InternalNodeEventListener kubevirtNodeListener = |
| 134 | new InternalNodeEventListener(); |
| 135 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 136 | @Activate |
| 137 | protected void activate() { |
| 138 | appId = coreService.registerApplication(KUBEVIRT_NETWORKING_APP_ID); |
| 139 | localNodeId = clusterService.getLocalNode().id(); |
| 140 | leadershipService.runForLeadership(appId.name()); |
Jian Li | 517597a | 2021-03-22 11:04:52 +0900 | [diff] [blame] | 141 | kubevirtRouterService.addListener(kubevirtRouterListener); |
| 142 | kubevirtNodeService.addListener(kubevirtNodeListener); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 143 | |
| 144 | log.info("Started"); |
| 145 | } |
| 146 | |
| 147 | @Deactivate |
| 148 | protected void deactivate() { |
| 149 | leadershipService.withdraw(appId.name()); |
Jian Li | 517597a | 2021-03-22 11:04:52 +0900 | [diff] [blame] | 150 | kubevirtRouterService.removeListener(kubevirtRouterListener); |
| 151 | kubevirtNodeService.removeListener(kubevirtNodeListener); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 152 | |
| 153 | eventExecutor.shutdown(); |
| 154 | |
| 155 | log.info("Stopped"); |
| 156 | } |
| 157 | |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 158 | private void setFloatingIpRulesForFip(KubevirtRouter router, |
| 159 | KubevirtFloatingIp floatingIp, |
| 160 | KubevirtNode electedGw, |
| 161 | boolean install) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 162 | |
| 163 | KubevirtPort kubevirtPort = getKubevirtPort(floatingIp); |
| 164 | if (kubevirtPort == null) { |
| 165 | log.warn("Failed to install floating Ip rules for floating ip {} " + |
| 166 | "because there's no kubevirt port associated to it", floatingIp.floatingIp()); |
| 167 | return; |
| 168 | } |
| 169 | |
| 170 | KubevirtNetwork kubevirtNetwork = kubevirtNetworkService.network(kubevirtPort.networkId()); |
| 171 | if (kubevirtNetwork.type() == VXLAN || kubevirtNetwork.type() == GENEVE || kubevirtNetwork.type() == GRE) { |
| 172 | setFloatingIpDownstreamRulesToGatewayTunBridge(router, floatingIp, kubevirtNetwork, kubevirtPort, install); |
| 173 | } |
| 174 | |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 175 | setFloatingIpArpResponseRules(router, floatingIp, kubevirtPort, electedGw, install); |
| 176 | setFloatingIpUpstreamRules(router, floatingIp, kubevirtPort, electedGw, install); |
| 177 | setFloatingIpDownstreamRules(router, floatingIp, kubevirtPort, electedGw, install); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | private void setFloatingIpArpResponseRules(KubevirtRouter router, |
| 181 | KubevirtFloatingIp floatingIp, |
| 182 | KubevirtPort port, |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 183 | KubevirtNode electedGw, |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 184 | boolean install) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 185 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 186 | .matchInPort(externalPatchPortNum(deviceService, electedGw)) |
| 187 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 188 | .matchArpOp(ARP.OP_REQUEST) |
| 189 | .matchArpTpa(floatingIp.floatingIp().getIp4Address()) |
| 190 | .build(); |
| 191 | |
| 192 | Device device = deviceService.getDevice(electedGw.intgBridge()); |
| 193 | |
| 194 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 195 | .extension(RulePopulatorUtil.buildMoveEthSrcToDstExtension(device), device.id()) |
| 196 | .extension(RulePopulatorUtil.buildMoveArpShaToThaExtension(device), device.id()) |
| 197 | .extension(RulePopulatorUtil.buildMoveArpSpaToTpaExtension(device), device.id()) |
| 198 | .setArpOp(ARP.OP_REPLY) |
| 199 | .setEthSrc(port.macAddress()) |
| 200 | .setArpSha(port.macAddress()) |
| 201 | .setArpSpa(floatingIp.floatingIp().getIp4Address()) |
| 202 | .setOutput(PortNumber.IN_PORT) |
| 203 | .build(); |
| 204 | |
| 205 | flowService.setRule( |
| 206 | appId, |
| 207 | electedGw.intgBridge(), |
| 208 | selector, |
| 209 | treatment, |
| 210 | PRIORITY_ARP_GATEWAY_RULE, |
| 211 | PRE_FLAT_TABLE, |
| 212 | install); |
| 213 | } |
Jian Li | 517597a | 2021-03-22 11:04:52 +0900 | [diff] [blame] | 214 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 215 | private KubevirtPort getKubevirtPort(KubevirtFloatingIp floatingIp) { |
| 216 | |
| 217 | return kubevirtPortService.ports().stream() |
| 218 | .filter(port -> port.ipAddress().equals(floatingIp.fixedIp())) |
| 219 | .findAny().orElse(null); |
| 220 | } |
| 221 | |
| 222 | private void setFloatingIpUpstreamRules(KubevirtRouter router, |
| 223 | KubevirtFloatingIp floatingIp, |
| 224 | KubevirtPort port, |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 225 | KubevirtNode electedGw, |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 226 | boolean install) { |
| 227 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 228 | MacAddress peerMacAddress = router.peerRouter().macAddress(); |
| 229 | |
| 230 | if (peerMacAddress == null) { |
| 231 | log.warn("Failed to install floating Ip rules for floating ip {} and router {}" + |
| 232 | "because there's no peer router mac address", floatingIp.floatingIp(), |
| 233 | router.name()); |
| 234 | return; |
| 235 | } |
| 236 | |
| 237 | MacAddress routerMacAddress = getRouterMacAddress(router); |
| 238 | |
| 239 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 240 | .matchEthType(Ethernet.TYPE_IPV4) |
| 241 | .matchEthSrc(port.macAddress()) |
| 242 | .matchEthDst(routerMacAddress) |
| 243 | .matchIPSrc(IpPrefix.valueOf(floatingIp.fixedIp(), 32)) |
| 244 | .build(); |
| 245 | |
| 246 | |
| 247 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 248 | .setEthDst(peerMacAddress) |
| 249 | .setEthSrc(port.macAddress()) |
| 250 | .setIpSrc(floatingIp.floatingIp()) |
| 251 | .setOutput(externalPatchPortNum(deviceService, electedGw)) |
| 252 | .build(); |
| 253 | |
| 254 | flowService.setRule( |
| 255 | appId, |
| 256 | electedGw.intgBridge(), |
| 257 | selector, |
| 258 | treatment, |
| 259 | PRIORITY_FLOATING_IP_RULE, |
| 260 | PRE_FLAT_TABLE, |
| 261 | install); |
| 262 | } |
| 263 | |
| 264 | private void setFloatingIpDownstreamRules(KubevirtRouter router, |
| 265 | KubevirtFloatingIp floatingIp, |
| 266 | KubevirtPort port, |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 267 | KubevirtNode electedGw, |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 268 | boolean install) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 269 | MacAddress routerMacAddress = getRouterMacAddress(router); |
| 270 | |
| 271 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 272 | .matchEthType(Ethernet.TYPE_IPV4) |
| 273 | .matchEthDst(port.macAddress()) |
| 274 | .matchIPDst(IpPrefix.valueOf(floatingIp.floatingIp(), 32)) |
| 275 | .build(); |
| 276 | |
| 277 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 278 | .setEthSrc(routerMacAddress) |
| 279 | .setEthDst(port.macAddress()) |
| 280 | .setIpDst(floatingIp.fixedIp()) |
| 281 | .transition(FORWARDING_TABLE) |
| 282 | .build(); |
| 283 | |
| 284 | flowService.setRule( |
| 285 | appId, |
| 286 | electedGw.intgBridge(), |
| 287 | selector, |
| 288 | treatment, |
| 289 | PRIORITY_FLOATING_IP_RULE, |
| 290 | PRE_FLAT_TABLE, |
| 291 | install); |
| 292 | } |
| 293 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 294 | private void setFloatingIpDownstreamRulesToGatewayTunBridge(KubevirtRouter router, |
| 295 | KubevirtFloatingIp floatingIp, |
| 296 | KubevirtNetwork network, |
| 297 | KubevirtPort port, |
| 298 | boolean install) { |
| 299 | KubevirtNode electedGw = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 300 | |
| 301 | if (electedGw == null) { |
| 302 | log.warn("Failed to install floating Ip rules for floating ip {} " + |
| 303 | "because there's no gateway assigned to it", floatingIp.floatingIp()); |
| 304 | return; |
| 305 | } |
| 306 | |
| 307 | KubevirtNode workerNode = kubevirtNodeService.node(port.deviceId()); |
| 308 | if (workerNode == null) { |
| 309 | log.warn("Failed to install floating Ip rules for floating ip {} " + |
| 310 | "because fail to fine the worker node that the associated port is running on", |
| 311 | floatingIp.floatingIp()); |
Jian Li | 9793ec4 | 2021-03-19 15:03:32 +0900 | [diff] [blame] | 312 | return; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 313 | } |
| 314 | |
| 315 | PortNumber tunnelPortNumber = tunnelPort(electedGw, network); |
| 316 | if (tunnelPortNumber == null) { |
| 317 | return; |
| 318 | } |
| 319 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 320 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 321 | .matchEthType(Ethernet.TYPE_IPV4) |
| 322 | .matchIPDst(IpPrefix.valueOf(port.ipAddress(), 32)) |
| 323 | .matchEthDst(port.macAddress()); |
| 324 | |
| 325 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 326 | .setTunnelId(Long.parseLong(network.segmentId())) |
| 327 | .extension(buildExtension( |
| 328 | deviceService, |
| 329 | electedGw.tunBridge(), |
| 330 | workerNode.dataIp().getIp4Address()), |
| 331 | electedGw.tunBridge()) |
| 332 | .setOutput(tunnelPortNumber); |
| 333 | |
| 334 | flowService.setRule( |
| 335 | appId, |
| 336 | electedGw.tunBridge(), |
| 337 | sBuilder.build(), |
| 338 | tBuilder.build(), |
| 339 | PRIORITY_FORWARDING_RULE, |
| 340 | TUNNEL_DEFAULT_TABLE, |
| 341 | install); |
| 342 | } |
| 343 | |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 344 | private void processGarpPacketForFloatingIp(KubevirtFloatingIp floatingIp, KubevirtNode electedGw) { |
| 345 | |
| 346 | if (floatingIp == null) { |
| 347 | return; |
| 348 | } |
| 349 | |
| 350 | KubevirtPort kubevirtPort = getKubevirtPort(floatingIp); |
| 351 | if (kubevirtPort == null) { |
| 352 | log.warn("Failed to install floating Ip rules for floating ip {} " + |
| 353 | "because there's no kubevirt port associated to it", floatingIp.floatingIp()); |
| 354 | return; |
| 355 | } |
| 356 | |
| 357 | Ethernet ethernet = buildGarpPacket(kubevirtPort.macAddress(), floatingIp.floatingIp()); |
| 358 | if (ethernet == null) { |
| 359 | return; |
| 360 | } |
| 361 | |
| 362 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 363 | .setOutput(externalPatchPortNum(deviceService, electedGw)).build(); |
| 364 | |
| 365 | packetService.emit(new DefaultOutboundPacket(electedGw.intgBridge(), treatment, |
| 366 | ByteBuffer.wrap(ethernet.serialize()))); |
| 367 | } |
| 368 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 369 | private class InternalRouterEventListener implements KubevirtRouterListener { |
| 370 | private boolean isRelevantHelper() { |
| 371 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 372 | } |
| 373 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 374 | @Override |
| 375 | public void event(KubevirtRouterEvent event) { |
| 376 | switch (event.type()) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 377 | case KUBEVIRT_FLOATING_IP_ASSOCIATED: |
| 378 | eventExecutor.execute(() -> processFloatingIpAssociation(event.subject(), |
| 379 | event.floatingIp())); |
| 380 | break; |
| 381 | case KUBEVIRT_FLOATING_IP_DISASSOCIATED: |
| 382 | eventExecutor.execute(() -> processFloatingIpDisassociation(event.subject(), |
| 383 | event.floatingIp())); |
| 384 | break; |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 385 | case KUBEVIRT_GATEWAY_NODE_CHANGED: |
| 386 | eventExecutor.execute(() -> processRouterGatewayNodeChanged(event.subject(), |
| 387 | event.gateway())); |
| 388 | break; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 389 | default: |
| 390 | //do nothing |
| 391 | break; |
| 392 | } |
| 393 | } |
| 394 | |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 395 | private void processRouterGatewayNodeChanged(KubevirtRouter router, String disAssociatedGateway) { |
| 396 | |
| 397 | kubevirtRouterService.floatingIps() |
| 398 | .stream() |
| 399 | .filter(fip -> fip.routerName().equals(router.name())).forEach(fip -> { |
| 400 | KubevirtNode oldGw = kubevirtNodeService.node(disAssociatedGateway); |
| 401 | if (oldGw == null) { |
| 402 | return; |
| 403 | } |
| 404 | |
| 405 | KubevirtNode newGw = kubevirtNodeService.node(router.electedGateway()); |
| 406 | if (newGw == null) { |
| 407 | return; |
| 408 | } |
| 409 | |
| 410 | setFloatingIpRulesForFip(router, fip, oldGw, false); |
| 411 | |
| 412 | setFloatingIpRulesForFip(router, fip, newGw, true); |
| 413 | processGarpPacketForFloatingIp(fip, newGw); |
| 414 | |
| 415 | }); |
| 416 | } |
| 417 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 418 | private void processFloatingIpAssociation(KubevirtRouter router, KubevirtFloatingIp floatingIp) { |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 419 | if (!isRelevantHelper() || router.electedGateway() == null) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 420 | return; |
| 421 | } |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 422 | |
| 423 | KubevirtNode electedGw = kubevirtNodeService.node(router.electedGateway()); |
| 424 | |
| 425 | if (electedGw == null) { |
| 426 | return; |
| 427 | } |
| 428 | |
| 429 | processGarpPacketForFloatingIp(floatingIp, electedGw); |
| 430 | setFloatingIpRulesForFip(router, floatingIp, electedGw, true); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 431 | } |
| 432 | |
| 433 | private void processFloatingIpDisassociation(KubevirtRouter router, KubevirtFloatingIp floatingIp) { |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 434 | if (!isRelevantHelper() || router.electedGateway() == null) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 435 | return; |
| 436 | } |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 437 | |
| 438 | KubevirtNode electedGw = kubevirtNodeService.node(router.electedGateway()); |
| 439 | |
| 440 | if (electedGw == null) { |
| 441 | return; |
| 442 | } |
| 443 | setFloatingIpRulesForFip(router, floatingIp, electedGw, false); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 444 | } |
| 445 | } |
Jian Li | 517597a | 2021-03-22 11:04:52 +0900 | [diff] [blame] | 446 | |
| 447 | private class InternalNodeEventListener implements KubevirtNodeListener { |
| 448 | |
| 449 | private boolean isRelevantHelper() { |
| 450 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 451 | } |
| 452 | |
| 453 | @Override |
| 454 | public void event(KubevirtNodeEvent event) { |
| 455 | switch (event.type()) { |
| 456 | case KUBEVIRT_NODE_COMPLETE: |
| 457 | eventExecutor.execute(() -> processNodeCompletion(event.subject())); |
| 458 | break; |
| 459 | case KUBEVIRT_NODE_REMOVED: |
| 460 | case KUBEVIRT_NODE_INCOMPLETE: |
| 461 | default: |
| 462 | break; |
| 463 | } |
| 464 | } |
| 465 | |
| 466 | private void processNodeCompletion(KubevirtNode node) { |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 467 | if (!isRelevantHelper() || !node.type().equals(KubevirtNode.Type.GATEWAY)) { |
Jian Li | 517597a | 2021-03-22 11:04:52 +0900 | [diff] [blame] | 468 | return; |
| 469 | } |
| 470 | |
| 471 | kubevirtRouterService.floatingIps().forEach(fip -> { |
| 472 | KubevirtRouter router = kubevirtRouterService.router(fip.routerName()); |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 473 | |
| 474 | if (router != null && router.electedGateway() != null) { |
| 475 | KubevirtNode electedGw = kubevirtNodeService.node(router.electedGateway()); |
Jian Li | 517597a | 2021-03-22 11:04:52 +0900 | [diff] [blame] | 476 | if (electedGw == null) { |
| 477 | return; |
| 478 | } |
| 479 | |
| 480 | if (electedGw.hostname().equals(node.hostname())) { |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 481 | setFloatingIpRulesForFip(router, fip, electedGw, true); |
Jian Li | 517597a | 2021-03-22 11:04:52 +0900 | [diff] [blame] | 482 | } |
| 483 | } |
| 484 | }); |
| 485 | } |
| 486 | } |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 487 | } |