Daniel Park | 2884b23 | 2021-03-04 18:58:47 +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.Ip4Address; |
| 22 | import org.onlab.packet.IpAddress; |
| 23 | import org.onlab.packet.IpPrefix; |
| 24 | import org.onlab.packet.MacAddress; |
| 25 | import org.onlab.packet.TpPort; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 26 | import org.onlab.packet.VlanId; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 27 | import org.onosproject.cluster.ClusterService; |
| 28 | import org.onosproject.cluster.LeadershipService; |
| 29 | import org.onosproject.cluster.NodeId; |
| 30 | import org.onosproject.core.ApplicationId; |
| 31 | import org.onosproject.core.CoreService; |
| 32 | import org.onosproject.kubevirtnetworking.api.KubevirtFlowRuleService; |
| 33 | import org.onosproject.kubevirtnetworking.api.KubevirtNetwork; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 34 | import org.onosproject.kubevirtnetworking.api.KubevirtNetworkService; |
| 35 | import org.onosproject.kubevirtnetworking.api.KubevirtPort; |
| 36 | import org.onosproject.kubevirtnetworking.api.KubevirtPortEvent; |
| 37 | import org.onosproject.kubevirtnetworking.api.KubevirtPortListener; |
| 38 | import org.onosproject.kubevirtnetworking.api.KubevirtPortService; |
| 39 | import org.onosproject.kubevirtnetworking.api.KubevirtRouter; |
| 40 | import org.onosproject.kubevirtnetworking.api.KubevirtRouterEvent; |
| 41 | import org.onosproject.kubevirtnetworking.api.KubevirtRouterListener; |
| 42 | import org.onosproject.kubevirtnetworking.api.KubevirtRouterService; |
| 43 | import org.onosproject.kubevirtnetworking.util.RulePopulatorUtil; |
| 44 | import org.onosproject.kubevirtnode.api.KubevirtNode; |
Jian Li | 517597a | 2021-03-22 11:04:52 +0900 | [diff] [blame] | 45 | import org.onosproject.kubevirtnode.api.KubevirtNodeEvent; |
| 46 | import org.onosproject.kubevirtnode.api.KubevirtNodeListener; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 47 | import org.onosproject.kubevirtnode.api.KubevirtNodeService; |
| 48 | import org.onosproject.net.Device; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 49 | import org.onosproject.net.PortNumber; |
| 50 | import org.onosproject.net.device.DeviceAdminService; |
| 51 | import org.onosproject.net.driver.DriverService; |
| 52 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 53 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 54 | import org.onosproject.net.flow.TrafficSelector; |
| 55 | import org.onosproject.net.flow.TrafficTreatment; |
| 56 | import org.onosproject.net.flow.instructions.ExtensionTreatment; |
| 57 | import org.osgi.service.component.annotations.Activate; |
| 58 | import org.osgi.service.component.annotations.Component; |
| 59 | import org.osgi.service.component.annotations.Deactivate; |
| 60 | import org.osgi.service.component.annotations.Reference; |
| 61 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 62 | import org.slf4j.Logger; |
| 63 | |
| 64 | import java.util.Objects; |
| 65 | import java.util.Set; |
| 66 | import java.util.concurrent.ExecutorService; |
| 67 | |
| 68 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 69 | import static org.onlab.util.Tools.groupedThreads; |
| 70 | import static org.onosproject.kubevirtnetworking.api.Constants.DEFAULT_GATEWAY_MAC; |
| 71 | import static org.onosproject.kubevirtnetworking.api.Constants.FLAT_TABLE; |
| 72 | import static org.onosproject.kubevirtnetworking.api.Constants.FORWARDING_TABLE; |
| 73 | import static org.onosproject.kubevirtnetworking.api.Constants.KUBEVIRT_NETWORKING_APP_ID; |
| 74 | import static org.onosproject.kubevirtnetworking.api.Constants.PRE_FLAT_TABLE; |
| 75 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_ARP_GATEWAY_RULE; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 76 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_FORWARDING_RULE; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 77 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_STATEFUL_SNAT_RULE; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 78 | import static org.onosproject.kubevirtnetworking.api.Constants.TUNNEL_DEFAULT_TABLE; |
| 79 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.GENEVE; |
| 80 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.GRE; |
| 81 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.VLAN; |
| 82 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.VXLAN; |
| 83 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.externalPatchPortNum; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 84 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.gatewayNodeForSpecifiedRouter; |
Daniel Park | babde9c | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 85 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.getRouterForKubevirtPort; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 86 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.getRouterMacAddress; |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 87 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.getRouterSnatIpAddress; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 88 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.tunnelPort; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 89 | import static org.onosproject.kubevirtnetworking.util.RulePopulatorUtil.CT_NAT_SRC_FLAG; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 90 | import static org.onosproject.kubevirtnetworking.util.RulePopulatorUtil.buildExtension; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 91 | import static org.slf4j.LoggerFactory.getLogger; |
| 92 | |
| 93 | /** |
| 94 | * Handles kubevirt routing snat. |
| 95 | */ |
| 96 | |
| 97 | @Component(immediate = true) |
| 98 | public class KubevirtRoutingSnatHandler { |
| 99 | protected final Logger log = getLogger(getClass()); |
| 100 | private static final int DEFAULT_TTL = 0xff; |
| 101 | |
| 102 | private static final int TP_PORT_MINIMUM_NUM = 1025; |
| 103 | private static final int TP_PORT_MAXIMUM_NUM = 65535; |
| 104 | |
| 105 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 106 | protected CoreService coreService; |
| 107 | |
| 108 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 109 | protected ClusterService clusterService; |
| 110 | |
| 111 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 112 | protected LeadershipService leadershipService; |
| 113 | |
| 114 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 115 | protected DeviceAdminService deviceService; |
| 116 | |
| 117 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 118 | protected KubevirtPortService kubevirtPortService; |
| 119 | |
| 120 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 121 | protected KubevirtNodeService kubevirtNodeService; |
| 122 | |
| 123 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 124 | protected KubevirtNetworkService kubevirtNetworkService; |
| 125 | |
| 126 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 127 | protected KubevirtFlowRuleService flowService; |
| 128 | |
| 129 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 130 | protected DriverService driverService; |
| 131 | |
| 132 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 133 | protected KubevirtRouterService kubevirtRouterService; |
| 134 | |
| 135 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 136 | groupedThreads(this.getClass().getSimpleName(), "event-handler")); |
| 137 | |
| 138 | private final InternalKubevirtPortListener kubevirtPortListener = |
| 139 | new InternalKubevirtPortListener(); |
| 140 | |
| 141 | private final InternalRouterEventListener kubevirtRouterlistener = |
| 142 | new InternalRouterEventListener(); |
| 143 | |
Jian Li | 517597a | 2021-03-22 11:04:52 +0900 | [diff] [blame] | 144 | private final InternalNodeEventListener kubevirtNodeListener = |
| 145 | new InternalNodeEventListener(); |
| 146 | |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 147 | private ApplicationId appId; |
| 148 | private NodeId localNodeId; |
| 149 | |
| 150 | @Activate |
| 151 | protected void activate() { |
| 152 | appId = coreService.registerApplication(KUBEVIRT_NETWORKING_APP_ID); |
| 153 | localNodeId = clusterService.getLocalNode().id(); |
| 154 | leadershipService.runForLeadership(appId.name()); |
| 155 | |
| 156 | kubevirtPortService.addListener(kubevirtPortListener); |
| 157 | kubevirtRouterService.addListener(kubevirtRouterlistener); |
Jian Li | 517597a | 2021-03-22 11:04:52 +0900 | [diff] [blame] | 158 | kubevirtNodeService.addListener(kubevirtNodeListener); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 159 | |
| 160 | log.info("Started"); |
| 161 | } |
| 162 | |
| 163 | @Deactivate |
| 164 | protected void deactivate() { |
| 165 | leadershipService.withdraw(appId.name()); |
Jian Li | 517597a | 2021-03-22 11:04:52 +0900 | [diff] [blame] | 166 | kubevirtNodeService.removeListener(kubevirtNodeListener); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 167 | kubevirtPortService.removeListener(kubevirtPortListener); |
| 168 | kubevirtRouterService.removeListener(kubevirtRouterlistener); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 169 | |
| 170 | eventExecutor.shutdown(); |
| 171 | |
| 172 | log.info("Stopped"); |
| 173 | } |
| 174 | |
| 175 | private void initGatewayNodeSnatForRouter(KubevirtRouter router, boolean install) { |
Daniel Park | 8ad7c3b | 2021-04-09 15:45:59 +0900 | [diff] [blame^] | 176 | if (router.electedGateway() == null) { |
| 177 | log.warn("Fail to initialize gateway node snat for router {} " + |
| 178 | "because there's no gateway assigned to it", router.name()); |
| 179 | return; |
| 180 | } |
| 181 | |
| 182 | KubevirtNode electedGw = kubevirtNodeService.node(router.electedGateway()); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 183 | |
| 184 | if (electedGw == null) { |
| 185 | log.warn("Fail to initialize gateway node snat for router {} " + |
Daniel Park | 8ad7c3b | 2021-04-09 15:45:59 +0900 | [diff] [blame^] | 186 | "because there's no gateway assigned to it", router.name()); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 187 | return; |
| 188 | } |
| 189 | |
| 190 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 191 | |
| 192 | if (routerSnatIp == null) { |
| 193 | log.warn("Fail to initialize gateway node snat for router {} " + |
Daniel Park | 8ad7c3b | 2021-04-09 15:45:59 +0900 | [diff] [blame^] | 194 | "because there's no gateway snat ip assigned to it", router.name()); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 195 | return; |
| 196 | } |
| 197 | |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 198 | String externalNet = router.external().values().stream().findAny().orElse(null); |
| 199 | if (externalNet == null) { |
| 200 | return; |
| 201 | } |
| 202 | |
| 203 | if (router.peerRouter() != null && |
| 204 | router.peerRouter().ipAddress() != null && router.peerRouter().macAddress() != null) { |
| 205 | setArpResponseToPeerRouter(electedGw, Ip4Address.valueOf(routerSnatIp), install); |
| 206 | setStatefulSnatUpstreamRules(electedGw, router, Ip4Address.valueOf(routerSnatIp), |
| 207 | router.peerRouter().macAddress(), install); |
| 208 | setStatefulSnatDownstreamRuleForRouter(electedGw, router, Ip4Address.valueOf(routerSnatIp), |
| 209 | kubevirtNetworkService.network(externalNet), install); |
| 210 | } |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 211 | } |
| 212 | |
| 213 | private void setArpResponseToPeerRouter(KubevirtNode gatewayNode, Ip4Address ip4Address, boolean install) { |
| 214 | |
| 215 | TrafficSelector selector = DefaultTrafficSelector.builder() |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 216 | .matchInPort(externalPatchPortNum(deviceService, gatewayNode)) |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 217 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 218 | .matchArpOp(ARP.OP_REQUEST) |
| 219 | .matchArpTpa(ip4Address) |
| 220 | .build(); |
| 221 | |
| 222 | Device device = deviceService.getDevice(gatewayNode.intgBridge()); |
| 223 | |
| 224 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 225 | .extension(RulePopulatorUtil.buildMoveEthSrcToDstExtension(device), device.id()) |
| 226 | .extension(RulePopulatorUtil.buildMoveArpShaToThaExtension(device), device.id()) |
| 227 | .extension(RulePopulatorUtil.buildMoveArpSpaToTpaExtension(device), device.id()) |
| 228 | .setArpOp(ARP.OP_REPLY) |
| 229 | .setEthSrc(DEFAULT_GATEWAY_MAC) |
| 230 | .setArpSha(DEFAULT_GATEWAY_MAC) |
| 231 | .setArpSpa(ip4Address) |
| 232 | .setOutput(PortNumber.IN_PORT) |
| 233 | .build(); |
| 234 | |
| 235 | flowService.setRule( |
| 236 | appId, |
| 237 | gatewayNode.intgBridge(), |
| 238 | selector, |
| 239 | treatment, |
| 240 | PRIORITY_ARP_GATEWAY_RULE, |
| 241 | PRE_FLAT_TABLE, |
| 242 | install); |
| 243 | } |
| 244 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 245 | private void setStatefulSnatUpstreamRules(KubevirtNode gatewayNode, |
| 246 | KubevirtRouter router, |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 247 | Ip4Address routerSnatIp, |
| 248 | MacAddress peerRouterMacAddress, |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 249 | boolean install) { |
| 250 | MacAddress routerMacAddress = getRouterMacAddress(router); |
| 251 | if (routerMacAddress == null) { |
| 252 | return; |
| 253 | } |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 254 | |
| 255 | if (routerSnatIp == null || peerRouterMacAddress == null) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 256 | return; |
| 257 | } |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 258 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 259 | TrafficSelector.Builder selector = DefaultTrafficSelector.builder() |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 260 | .matchEthType(Ethernet.TYPE_IPV4) |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 261 | .matchEthDst(routerMacAddress); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 262 | |
| 263 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 264 | |
| 265 | ExtensionTreatment natTreatment = RulePopulatorUtil |
| 266 | .niciraConnTrackTreatmentBuilder(driverService, gatewayNode.intgBridge()) |
| 267 | .commit(true) |
| 268 | .natFlag(CT_NAT_SRC_FLAG) |
| 269 | .natAction(true) |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 270 | .natIp(routerSnatIp) |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 271 | .natPortMin(TpPort.tpPort(TP_PORT_MINIMUM_NUM)) |
| 272 | .natPortMax(TpPort.tpPort(TP_PORT_MAXIMUM_NUM)) |
| 273 | .build(); |
| 274 | |
| 275 | tBuilder.extension(natTreatment, gatewayNode.intgBridge()) |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 276 | .setEthDst(peerRouterMacAddress) |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 277 | .setEthSrc(DEFAULT_GATEWAY_MAC) |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 278 | .setOutput(externalPatchPortNum(deviceService, gatewayNode)); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 279 | |
| 280 | flowService.setRule( |
| 281 | appId, |
| 282 | gatewayNode.intgBridge(), |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 283 | selector.build(), |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 284 | tBuilder.build(), |
| 285 | PRIORITY_STATEFUL_SNAT_RULE, |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 286 | PRE_FLAT_TABLE, |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 287 | install); |
| 288 | } |
| 289 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 290 | private void setStatefulSnatDownStreamRuleForKubevirtPort(KubevirtRouter router, |
| 291 | KubevirtNode gatewayNode, |
| 292 | KubevirtPort kubevirtPort, |
| 293 | boolean install) { |
| 294 | MacAddress routerMacAddress = getRouterMacAddress(router); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 295 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 296 | if (routerMacAddress == null) { |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 297 | log.error("Failed to set stateful snat downstream rule because " + |
| 298 | "there's no br-int port for device {}", gatewayNode.intgBridge()); |
| 299 | return; |
| 300 | } |
| 301 | |
| 302 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 303 | .matchEthType(Ethernet.TYPE_IPV4) |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 304 | .matchEthSrc(routerMacAddress) |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 305 | .matchIPDst(IpPrefix.valueOf(kubevirtPort.ipAddress(), 32)); |
| 306 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 307 | KubevirtNetwork network = kubevirtNetworkService.network(kubevirtPort.networkId()); |
| 308 | |
| 309 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 310 | .setEthDst(kubevirtPort.macAddress()) |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 311 | .transition(FORWARDING_TABLE); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 312 | |
| 313 | flowService.setRule( |
| 314 | appId, |
| 315 | gatewayNode.intgBridge(), |
| 316 | sBuilder.build(), |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 317 | tBuilder.build(), |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 318 | PRIORITY_STATEFUL_SNAT_RULE, |
| 319 | FLAT_TABLE, |
| 320 | install); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 321 | |
| 322 | if (network.type() == VXLAN || network.type() == GENEVE || network.type() == GRE) { |
| 323 | setDownStreamRulesToGatewayTunBridge(router, network, kubevirtPort, install); |
| 324 | } |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 325 | } |
| 326 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 327 | private void setDownStreamRulesToGatewayTunBridge(KubevirtRouter router, |
| 328 | KubevirtNetwork network, |
| 329 | KubevirtPort port, boolean install) { |
| 330 | KubevirtNode electedGw = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 331 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 332 | if (electedGw == null) { |
| 333 | return; |
| 334 | } |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 335 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 336 | KubevirtNode workerNode = kubevirtNodeService.node(port.deviceId()); |
| 337 | if (workerNode == null) { |
| 338 | return; |
| 339 | } |
| 340 | |
| 341 | PortNumber tunnelPortNumber = tunnelPort(electedGw, network); |
| 342 | if (tunnelPortNumber == null) { |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 343 | return; |
| 344 | } |
| 345 | |
| 346 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 347 | .matchEthType(Ethernet.TYPE_IPV4) |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 348 | .matchIPDst(IpPrefix.valueOf(port.ipAddress(), 32)) |
| 349 | .matchEthDst(port.macAddress()); |
| 350 | |
| 351 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 352 | .setTunnelId(Long.parseLong(network.segmentId())) |
| 353 | .extension(buildExtension( |
| 354 | deviceService, |
| 355 | electedGw.tunBridge(), |
| 356 | workerNode.dataIp().getIp4Address()), |
| 357 | electedGw.tunBridge()) |
| 358 | .setOutput(tunnelPortNumber); |
| 359 | |
| 360 | flowService.setRule( |
| 361 | appId, |
| 362 | electedGw.tunBridge(), |
| 363 | sBuilder.build(), |
| 364 | tBuilder.build(), |
| 365 | PRIORITY_FORWARDING_RULE, |
| 366 | TUNNEL_DEFAULT_TABLE, |
| 367 | install); |
| 368 | } |
| 369 | |
| 370 | private void setStatefulSnatDownstreamRuleForRouter(KubevirtNode gatewayNode, |
| 371 | KubevirtRouter router, |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 372 | IpAddress routerSnatIp, |
| 373 | KubevirtNetwork externalNetwork, |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 374 | boolean install) { |
| 375 | |
| 376 | MacAddress routerMacAddress = getRouterMacAddress(router); |
| 377 | |
| 378 | if (routerMacAddress == null) { |
| 379 | log.warn("Failed to set stateful snat downstream rule because " + |
| 380 | "there's no br-int port for device {}", gatewayNode.intgBridge()); |
| 381 | return; |
| 382 | } |
| 383 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 384 | if (externalNetwork == null) { |
| 385 | log.warn("Failed to set stateful snat downstream rule because " + |
| 386 | "there's no external network router {}", router.name()); |
| 387 | return; |
| 388 | } |
| 389 | |
| 390 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 391 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 392 | |
| 393 | if (externalNetwork.type() == VLAN) { |
| 394 | sBuilder.matchEthType(Ethernet.TYPE_VLAN) |
| 395 | .matchVlanId(VlanId.vlanId(externalNetwork.segmentId())); |
| 396 | tBuilder.popVlan(); |
| 397 | } else { |
| 398 | sBuilder.matchEthType(Ethernet.TYPE_IPV4); |
| 399 | } |
| 400 | |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 401 | sBuilder.matchIPDst(IpPrefix.valueOf(routerSnatIp, 32)); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 402 | |
| 403 | ExtensionTreatment natTreatment = RulePopulatorUtil |
| 404 | .niciraConnTrackTreatmentBuilder(driverService, gatewayNode.intgBridge()) |
| 405 | .commit(false) |
| 406 | .natAction(true) |
Daniel Park | babde9c | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 407 | .table((short) FLAT_TABLE) |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 408 | .build(); |
| 409 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 410 | tBuilder.setEthSrc(routerMacAddress) |
| 411 | .extension(natTreatment, gatewayNode.intgBridge()); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 412 | |
| 413 | flowService.setRule( |
| 414 | appId, |
| 415 | gatewayNode.intgBridge(), |
| 416 | sBuilder.build(), |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 417 | tBuilder.build(), |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 418 | PRIORITY_STATEFUL_SNAT_RULE, |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 419 | PRE_FLAT_TABLE, |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 420 | install); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 421 | } |
| 422 | |
| 423 | private class InternalRouterEventListener implements KubevirtRouterListener { |
| 424 | private boolean isRelevantHelper() { |
| 425 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 426 | } |
| 427 | |
| 428 | @Override |
| 429 | public void event(KubevirtRouterEvent event) { |
| 430 | switch (event.type()) { |
| 431 | case KUBEVIRT_ROUTER_CREATED: |
| 432 | eventExecutor.execute(() -> processRouterCreation(event.subject())); |
| 433 | break; |
Daniel Park | 8ad7c3b | 2021-04-09 15:45:59 +0900 | [diff] [blame^] | 434 | case KUBEVIRT_SNAT_STATUS_DISABLED: |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 435 | case KUBEVIRT_ROUTER_REMOVED: |
| 436 | eventExecutor.execute(() -> processRouterDeletion(event.subject())); |
| 437 | break; |
| 438 | case KUBEVIRT_ROUTER_UPDATED: |
| 439 | eventExecutor.execute(() -> processRouterUpdate(event.subject())); |
| 440 | break; |
| 441 | case KUBEVIRT_ROUTER_INTERNAL_NETWORKS_ATTACHED: |
| 442 | eventExecutor.execute(() -> processRouterInternalNetworksAttached(event.subject(), |
| 443 | event.internal())); |
| 444 | break; |
| 445 | case KUBEVIRT_ROUTER_INTERNAL_NETWORKS_DETACHED: |
| 446 | eventExecutor.execute(() -> processRouterInternalNetworksDetached(event.subject(), |
| 447 | event.internal())); |
| 448 | break; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 449 | case KUBEVIRT_GATEWAY_NODE_ATTACHED: |
| 450 | eventExecutor.execute(() -> processRouterGatewayNodeAttached(event.subject(), |
| 451 | event.gateway())); |
| 452 | break; |
| 453 | case KUBEVIRT_GATEWAY_NODE_DETACHED: |
| 454 | eventExecutor.execute(() -> processRouterGatewayNodeDetached(event.subject(), |
| 455 | event.gateway())); |
| 456 | break; |
| 457 | case KUBEVIRT_ROUTER_EXTERNAL_NETWORK_ATTACHED: |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 458 | eventExecutor.execute(() -> processRouterExternalNetAttached(event.subject(), |
| 459 | event.externalIp(), event.externalNet(), |
| 460 | event.externalPeerRouterIp(), event.peerRouterMac())); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 461 | break; |
| 462 | case KUBEVIRT_ROUTER_EXTERNAL_NETWORK_DETACHED: |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 463 | eventExecutor.execute(() -> processRouterExternalNetDetached(event.subject(), |
| 464 | event.externalIp(), event.externalNet(), |
| 465 | event.externalPeerRouterIp(), event.peerRouterMac())); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 466 | break; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 467 | default: |
| 468 | //do nothing |
| 469 | break; |
| 470 | } |
| 471 | } |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 472 | |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 473 | private void processRouterExternalNetAttached(KubevirtRouter router, String externalIp, String externalNet, |
| 474 | String peerRouterIp, MacAddress peerRouterMac) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 475 | if (!isRelevantHelper()) { |
| 476 | return; |
| 477 | } |
| 478 | KubevirtNode electedGw = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 479 | |
| 480 | if (electedGw == null) { |
| 481 | log.warn("Fail to process router external network attached gateway node snat for router {} " + |
| 482 | "there's no gateway assigned to it", router.name()); |
| 483 | return; |
| 484 | } |
| 485 | |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 486 | if (router.enableSnat() && |
| 487 | peerRouterIp != null && peerRouterMac != null && externalIp != null && externalNet != null) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 488 | setArpResponseToPeerRouter(electedGw, Ip4Address.valueOf(externalIp), true); |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 489 | setStatefulSnatUpstreamRules(electedGw, router, Ip4Address.valueOf(externalIp), |
| 490 | peerRouterMac, true); |
| 491 | setStatefulSnatDownstreamRuleForRouter(electedGw, router, Ip4Address.valueOf(externalIp), |
| 492 | kubevirtNetworkService.network(externalNet), true); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 493 | } |
| 494 | |
| 495 | router.internal() |
| 496 | .stream() |
| 497 | .filter(networkId -> kubevirtNetworkService.network(networkId) != null) |
| 498 | .map(kubevirtNetworkService::network) |
| 499 | .forEach(network -> { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 500 | kubevirtPortService.ports(network.networkId()).forEach(kubevirtPort -> { |
| 501 | setStatefulSnatDownStreamRuleForKubevirtPort(router, |
| 502 | electedGw, kubevirtPort, true); |
| 503 | }); |
| 504 | }); |
| 505 | } |
| 506 | |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 507 | private void processRouterExternalNetDetached(KubevirtRouter router, String externalIp, String externalNet, |
| 508 | String peerRouterIp, MacAddress peerRouterMac) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 509 | if (!isRelevantHelper()) { |
| 510 | return; |
| 511 | } |
| 512 | if (!isRelevantHelper()) { |
| 513 | return; |
| 514 | } |
| 515 | KubevirtNode electedGw = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 516 | |
| 517 | if (electedGw == null) { |
| 518 | log.warn("Fail to process router external network attached gateway node snat for router {} " + |
| 519 | "there's no gateway assigned to it", router.name()); |
| 520 | return; |
| 521 | } |
| 522 | |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 523 | if (router.enableSnat() && |
| 524 | peerRouterIp != null && peerRouterMac != null && externalIp != null && externalNet != null) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 525 | setArpResponseToPeerRouter(electedGw, Ip4Address.valueOf(externalIp), false); |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 526 | setStatefulSnatUpstreamRules(electedGw, router, |
| 527 | Ip4Address.valueOf(externalIp), peerRouterMac, false); |
| 528 | setStatefulSnatDownstreamRuleForRouter(electedGw, router, Ip4Address.valueOf(externalIp), |
| 529 | kubevirtNetworkService.network(externalNet), false); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 530 | } |
| 531 | |
| 532 | router.internal() |
| 533 | .stream() |
| 534 | .filter(networkId -> kubevirtNetworkService.network(networkId) != null) |
| 535 | .map(kubevirtNetworkService::network) |
| 536 | .forEach(network -> { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 537 | kubevirtPortService.ports(network.networkId()).forEach(kubevirtPort -> { |
| 538 | setStatefulSnatDownStreamRuleForKubevirtPort(router, |
| 539 | electedGw, kubevirtPort, false); |
| 540 | }); |
| 541 | }); |
| 542 | } |
| 543 | |
| 544 | private void processRouterGatewayNodeAttached(KubevirtRouter router, String attachedGatewayId) { |
| 545 | if (!isRelevantHelper()) { |
| 546 | return; |
| 547 | } |
| 548 | |
| 549 | KubevirtNode attachedGateway = kubevirtNodeService.node(attachedGatewayId); |
| 550 | if (attachedGateway == null) { |
| 551 | return; |
| 552 | } |
| 553 | |
Daniel Park | 8ad7c3b | 2021-04-09 15:45:59 +0900 | [diff] [blame^] | 554 | if (!router.enableSnat()) { |
| 555 | return; |
| 556 | } |
| 557 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 558 | router.internal() |
| 559 | .stream() |
| 560 | .filter(networkId -> kubevirtNetworkService.network(networkId) != null) |
| 561 | .map(kubevirtNetworkService::network) |
| 562 | .forEach(network -> { |
| 563 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 564 | if (routerSnatIp == null) { |
| 565 | return; |
| 566 | } |
| 567 | kubevirtPortService.ports(network.networkId()).forEach(kubevirtPort -> { |
| 568 | setStatefulSnatDownStreamRuleForKubevirtPort(router, |
| 569 | attachedGateway, kubevirtPort, true); |
| 570 | }); |
| 571 | }); |
| 572 | } |
| 573 | |
| 574 | private void processRouterGatewayNodeDetached(KubevirtRouter router, String detachedGatewayId) { |
| 575 | if (!isRelevantHelper()) { |
| 576 | return; |
| 577 | } |
| 578 | |
| 579 | KubevirtNode detachedGateway = kubevirtNodeService.node(detachedGatewayId); |
| 580 | if (detachedGateway == null) { |
| 581 | return; |
| 582 | } |
| 583 | |
Daniel Park | 8ad7c3b | 2021-04-09 15:45:59 +0900 | [diff] [blame^] | 584 | if (!router.enableSnat()) { |
| 585 | return; |
| 586 | } |
| 587 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 588 | router.internal() |
| 589 | .stream() |
| 590 | .filter(networkId -> kubevirtNetworkService.network(networkId) != null) |
| 591 | .map(kubevirtNetworkService::network) |
| 592 | .forEach(network -> { |
| 593 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 594 | if (routerSnatIp == null) { |
| 595 | return; |
| 596 | } |
| 597 | |
| 598 | kubevirtPortService.ports(network.networkId()).forEach(kubevirtPort -> { |
| 599 | setStatefulSnatDownStreamRuleForKubevirtPort(router, |
| 600 | detachedGateway, kubevirtPort, false); |
| 601 | }); |
| 602 | }); |
| 603 | } |
| 604 | |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 605 | private void processRouterInternalNetworksAttached(KubevirtRouter router, |
| 606 | Set<String> attachedInternalNetworks) { |
| 607 | if (!isRelevantHelper()) { |
| 608 | return; |
| 609 | } |
| 610 | |
| 611 | KubevirtNode gwNode = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 612 | if (gwNode == null) { |
| 613 | return; |
| 614 | } |
| 615 | |
Daniel Park | 8ad7c3b | 2021-04-09 15:45:59 +0900 | [diff] [blame^] | 616 | if (!router.enableSnat()) { |
| 617 | return; |
| 618 | } |
| 619 | |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 620 | attachedInternalNetworks.forEach(networkId -> { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 621 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 622 | if (routerSnatIp == null) { |
| 623 | return; |
| 624 | } |
| 625 | |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 626 | kubevirtPortService.ports(networkId).forEach(kubevirtPort -> { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 627 | setStatefulSnatDownStreamRuleForKubevirtPort(router, gwNode, kubevirtPort, true); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 628 | }); |
| 629 | }); |
| 630 | } |
| 631 | |
| 632 | private void processRouterInternalNetworksDetached(KubevirtRouter router, |
| 633 | Set<String> detachedInternalNetworks) { |
| 634 | if (!isRelevantHelper()) { |
| 635 | return; |
| 636 | } |
| 637 | |
| 638 | KubevirtNode gwNode = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 639 | if (gwNode == null) { |
| 640 | return; |
| 641 | } |
| 642 | |
Daniel Park | 8ad7c3b | 2021-04-09 15:45:59 +0900 | [diff] [blame^] | 643 | if (!router.enableSnat()) { |
| 644 | return; |
| 645 | } |
| 646 | |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 647 | detachedInternalNetworks.forEach(networkId -> { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 648 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 649 | if (routerSnatIp == null) { |
| 650 | log.info("snatIp is null"); |
| 651 | return; |
| 652 | } |
| 653 | |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 654 | kubevirtPortService.ports(networkId).forEach(kubevirtPort -> { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 655 | setStatefulSnatDownStreamRuleForKubevirtPort(router, gwNode, kubevirtPort, false); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 656 | }); |
| 657 | }); |
| 658 | } |
| 659 | private void processRouterCreation(KubevirtRouter router) { |
| 660 | if (!isRelevantHelper()) { |
| 661 | return; |
| 662 | } |
| 663 | if (router.enableSnat() && !router.external().isEmpty() && router.peerRouter() != null) { |
| 664 | initGatewayNodeSnatForRouter(router, true); |
| 665 | } |
| 666 | } |
| 667 | |
| 668 | private void processRouterDeletion(KubevirtRouter router) { |
| 669 | if (!isRelevantHelper()) { |
| 670 | return; |
| 671 | } |
Daniel Park | 8ad7c3b | 2021-04-09 15:45:59 +0900 | [diff] [blame^] | 672 | if (!router.external().isEmpty() && router.peerRouter() != null) { |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 673 | initGatewayNodeSnatForRouter(router, false); |
| 674 | } |
| 675 | } |
| 676 | |
| 677 | private void processRouterUpdate(KubevirtRouter router) { |
| 678 | if (!isRelevantHelper()) { |
| 679 | return; |
| 680 | } |
| 681 | if (router.enableSnat() && !router.external().isEmpty() && router.peerRouter() != null) { |
| 682 | initGatewayNodeSnatForRouter(router, true); |
| 683 | } |
| 684 | } |
| 685 | } |
| 686 | |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 687 | private class InternalKubevirtPortListener implements KubevirtPortListener { |
| 688 | |
| 689 | private boolean isRelevantHelper() { |
| 690 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 691 | } |
| 692 | |
| 693 | @Override |
| 694 | public void event(KubevirtPortEvent event) { |
| 695 | switch (event.type()) { |
| 696 | case KUBEVIRT_PORT_CREATED: |
| 697 | eventExecutor.execute(() -> processPortCreation(event.subject())); |
| 698 | break; |
| 699 | case KUBEVIRT_PORT_UPDATED: |
| 700 | eventExecutor.execute(() -> processPortUpdate(event.subject())); |
| 701 | break; |
| 702 | case KUBEVIRT_PORT_REMOVED: |
| 703 | eventExecutor.execute(() -> processPortDeletion(event.subject())); |
| 704 | break; |
| 705 | default: |
| 706 | //do nothing |
| 707 | break; |
| 708 | } |
| 709 | } |
| 710 | |
| 711 | private void processPortCreation(KubevirtPort kubevirtPort) { |
| 712 | if (!isRelevantHelper()) { |
| 713 | return; |
| 714 | } |
| 715 | |
Daniel Park | babde9c | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 716 | KubevirtRouter router = getRouterForKubevirtPort(kubevirtRouterService, kubevirtPort); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 717 | if (router == null) { |
| 718 | return; |
| 719 | } |
| 720 | |
| 721 | KubevirtNode gwNode = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 722 | |
| 723 | if (gwNode != null) { |
| 724 | IpAddress gatewaySnatIp = getRouterSnatIpAddress(kubevirtRouterService, kubevirtPort.networkId()); |
| 725 | if (gatewaySnatIp == null) { |
| 726 | return; |
| 727 | } |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 728 | setStatefulSnatDownStreamRuleForKubevirtPort(router, gwNode, kubevirtPort, true); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 729 | } |
| 730 | } |
| 731 | |
| 732 | private void processPortUpdate(KubevirtPort kubevirtPort) { |
| 733 | if (!isRelevantHelper()) { |
| 734 | return; |
| 735 | } |
| 736 | |
Daniel Park | babde9c | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 737 | KubevirtRouter router = getRouterForKubevirtPort(kubevirtRouterService, kubevirtPort); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 738 | if (router == null) { |
| 739 | return; |
| 740 | } |
| 741 | |
| 742 | KubevirtNode gwNode = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 743 | |
| 744 | if (gwNode != null) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 745 | setStatefulSnatDownStreamRuleForKubevirtPort(router, gwNode, kubevirtPort, true); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 746 | } |
| 747 | } |
| 748 | |
| 749 | private void processPortDeletion(KubevirtPort kubevirtPort) { |
| 750 | if (!isRelevantHelper()) { |
| 751 | return; |
| 752 | } |
| 753 | |
Daniel Park | babde9c | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 754 | KubevirtRouter router = getRouterForKubevirtPort(kubevirtRouterService, kubevirtPort); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 755 | if (router == null) { |
| 756 | return; |
| 757 | } |
| 758 | |
| 759 | KubevirtNode gwNode = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 760 | |
| 761 | if (gwNode != null) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 762 | setStatefulSnatDownStreamRuleForKubevirtPort(router, gwNode, kubevirtPort, false); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 763 | } |
| 764 | } |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 765 | } |
Jian Li | 517597a | 2021-03-22 11:04:52 +0900 | [diff] [blame] | 766 | |
| 767 | private class InternalNodeEventListener implements KubevirtNodeListener { |
| 768 | |
| 769 | @Override |
| 770 | public void event(KubevirtNodeEvent event) { |
| 771 | |
| 772 | } |
| 773 | } |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 774 | } |