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; |
| 45 | import org.onosproject.kubevirtnode.api.KubevirtNodeService; |
| 46 | import org.onosproject.net.Device; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 47 | import org.onosproject.net.PortNumber; |
| 48 | import org.onosproject.net.device.DeviceAdminService; |
| 49 | import org.onosproject.net.driver.DriverService; |
| 50 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 51 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 52 | import org.onosproject.net.flow.TrafficSelector; |
| 53 | import org.onosproject.net.flow.TrafficTreatment; |
| 54 | import org.onosproject.net.flow.instructions.ExtensionTreatment; |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 55 | import org.onosproject.net.packet.DefaultOutboundPacket; |
| 56 | import org.onosproject.net.packet.PacketService; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 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 | |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 64 | import java.nio.ByteBuffer; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 65 | import java.util.Objects; |
| 66 | import java.util.Set; |
| 67 | import java.util.concurrent.ExecutorService; |
| 68 | |
| 69 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 70 | import static org.onlab.util.Tools.groupedThreads; |
| 71 | import static org.onosproject.kubevirtnetworking.api.Constants.DEFAULT_GATEWAY_MAC; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 72 | import static org.onosproject.kubevirtnetworking.api.Constants.FORWARDING_TABLE; |
Jian Li | f89d960 | 2021-04-27 19:05:49 +0900 | [diff] [blame] | 73 | import static org.onosproject.kubevirtnetworking.api.Constants.GW_DROP_TABLE; |
| 74 | import static org.onosproject.kubevirtnetworking.api.Constants.GW_ENTRY_TABLE; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 75 | import static org.onosproject.kubevirtnetworking.api.Constants.KUBEVIRT_NETWORKING_APP_ID; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 76 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_ARP_GATEWAY_RULE; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 77 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_FORWARDING_RULE; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 78 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_STATEFUL_SNAT_RULE; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 79 | import static org.onosproject.kubevirtnetworking.api.Constants.TUNNEL_DEFAULT_TABLE; |
| 80 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.GENEVE; |
| 81 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.GRE; |
| 82 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.VLAN; |
| 83 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.VXLAN; |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 84 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.buildGarpPacket; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 85 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.externalPatchPortNum; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 86 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.gatewayNodeForSpecifiedRouter; |
Daniel Park | babde9c | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 87 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.getRouterForKubevirtPort; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 88 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.getRouterMacAddress; |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 89 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.getRouterSnatIpAddress; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 90 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.tunnelPort; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 91 | import static org.onosproject.kubevirtnetworking.util.RulePopulatorUtil.CT_NAT_SRC_FLAG; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 92 | import static org.onosproject.kubevirtnetworking.util.RulePopulatorUtil.buildExtension; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 93 | import static org.slf4j.LoggerFactory.getLogger; |
| 94 | |
| 95 | /** |
| 96 | * Handles kubevirt routing snat. |
| 97 | */ |
| 98 | |
| 99 | @Component(immediate = true) |
| 100 | public class KubevirtRoutingSnatHandler { |
| 101 | protected final Logger log = getLogger(getClass()); |
| 102 | private static final int DEFAULT_TTL = 0xff; |
| 103 | |
| 104 | private static final int TP_PORT_MINIMUM_NUM = 1025; |
| 105 | private static final int TP_PORT_MAXIMUM_NUM = 65535; |
| 106 | |
| 107 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 108 | protected CoreService coreService; |
| 109 | |
| 110 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 111 | protected ClusterService clusterService; |
| 112 | |
| 113 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 114 | protected LeadershipService leadershipService; |
| 115 | |
| 116 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 117 | protected DeviceAdminService deviceService; |
| 118 | |
| 119 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 120 | protected KubevirtPortService kubevirtPortService; |
| 121 | |
| 122 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 123 | protected KubevirtNodeService kubevirtNodeService; |
| 124 | |
| 125 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 126 | protected KubevirtNetworkService kubevirtNetworkService; |
| 127 | |
| 128 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 129 | protected KubevirtFlowRuleService flowService; |
| 130 | |
| 131 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 132 | protected DriverService driverService; |
| 133 | |
| 134 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 135 | protected PacketService packetService; |
| 136 | |
| 137 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 138 | protected KubevirtRouterService kubevirtRouterService; |
| 139 | |
| 140 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 141 | groupedThreads(this.getClass().getSimpleName(), "event-handler")); |
| 142 | |
| 143 | private final InternalKubevirtPortListener kubevirtPortListener = |
| 144 | new InternalKubevirtPortListener(); |
| 145 | |
| 146 | private final InternalRouterEventListener kubevirtRouterlistener = |
| 147 | new InternalRouterEventListener(); |
| 148 | |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 149 | private ApplicationId appId; |
| 150 | private NodeId localNodeId; |
| 151 | |
| 152 | @Activate |
| 153 | protected void activate() { |
| 154 | appId = coreService.registerApplication(KUBEVIRT_NETWORKING_APP_ID); |
| 155 | localNodeId = clusterService.getLocalNode().id(); |
| 156 | leadershipService.runForLeadership(appId.name()); |
| 157 | |
| 158 | kubevirtPortService.addListener(kubevirtPortListener); |
| 159 | kubevirtRouterService.addListener(kubevirtRouterlistener); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 160 | |
| 161 | log.info("Started"); |
| 162 | } |
| 163 | |
| 164 | @Deactivate |
| 165 | protected void deactivate() { |
| 166 | leadershipService.withdraw(appId.name()); |
| 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 | |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 175 | private void initGatewayNodeSnatForRouter(KubevirtRouter router, String gateway, boolean install) { |
Daniel Park | 05a9458 | 2021-05-12 10:57:02 +0900 | [diff] [blame] | 176 | if (gateway == null) { |
Daniel Park | 8ad7c3b | 2021-04-09 15:45:59 +0900 | [diff] [blame] | 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 | |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 182 | KubevirtNode electedGw = kubevirtNodeService.node(gateway); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 183 | if (electedGw == null) { |
| 184 | log.warn("Fail to initialize gateway node snat for router {} " + |
Daniel Park | 8ad7c3b | 2021-04-09 15:45:59 +0900 | [diff] [blame] | 185 | "because there's no gateway assigned to it", router.name()); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 186 | return; |
| 187 | } |
| 188 | |
| 189 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 190 | |
| 191 | if (routerSnatIp == null) { |
| 192 | log.warn("Fail to initialize gateway node snat for router {} " + |
Daniel Park | 8ad7c3b | 2021-04-09 15:45:59 +0900 | [diff] [blame] | 193 | "because there's no gateway snat ip assigned to it", router.name()); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 194 | return; |
| 195 | } |
| 196 | |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 197 | String externalNet = router.external().values().stream().findAny().orElse(null); |
| 198 | if (externalNet == null) { |
| 199 | return; |
| 200 | } |
| 201 | |
| 202 | if (router.peerRouter() != null && |
| 203 | router.peerRouter().ipAddress() != null && router.peerRouter().macAddress() != null) { |
| 204 | setArpResponseToPeerRouter(electedGw, Ip4Address.valueOf(routerSnatIp), install); |
| 205 | setStatefulSnatUpstreamRules(electedGw, router, Ip4Address.valueOf(routerSnatIp), |
| 206 | router.peerRouter().macAddress(), install); |
| 207 | setStatefulSnatDownstreamRuleForRouter(electedGw, router, Ip4Address.valueOf(routerSnatIp), |
| 208 | kubevirtNetworkService.network(externalNet), install); |
| 209 | } |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 210 | } |
| 211 | |
| 212 | private void setArpResponseToPeerRouter(KubevirtNode gatewayNode, Ip4Address ip4Address, boolean install) { |
| 213 | |
| 214 | TrafficSelector selector = DefaultTrafficSelector.builder() |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 215 | .matchInPort(externalPatchPortNum(deviceService, gatewayNode)) |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 216 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 217 | .matchArpOp(ARP.OP_REQUEST) |
| 218 | .matchArpTpa(ip4Address) |
| 219 | .build(); |
| 220 | |
| 221 | Device device = deviceService.getDevice(gatewayNode.intgBridge()); |
| 222 | |
| 223 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 224 | .extension(RulePopulatorUtil.buildMoveEthSrcToDstExtension(device), device.id()) |
| 225 | .extension(RulePopulatorUtil.buildMoveArpShaToThaExtension(device), device.id()) |
| 226 | .extension(RulePopulatorUtil.buildMoveArpSpaToTpaExtension(device), device.id()) |
| 227 | .setArpOp(ARP.OP_REPLY) |
| 228 | .setEthSrc(DEFAULT_GATEWAY_MAC) |
| 229 | .setArpSha(DEFAULT_GATEWAY_MAC) |
| 230 | .setArpSpa(ip4Address) |
| 231 | .setOutput(PortNumber.IN_PORT) |
| 232 | .build(); |
| 233 | |
| 234 | flowService.setRule( |
| 235 | appId, |
| 236 | gatewayNode.intgBridge(), |
| 237 | selector, |
| 238 | treatment, |
| 239 | PRIORITY_ARP_GATEWAY_RULE, |
Jian Li | f89d960 | 2021-04-27 19:05:49 +0900 | [diff] [blame] | 240 | GW_ENTRY_TABLE, |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 241 | install); |
| 242 | } |
| 243 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 244 | private void setStatefulSnatUpstreamRules(KubevirtNode gatewayNode, |
| 245 | KubevirtRouter router, |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 246 | Ip4Address routerSnatIp, |
| 247 | MacAddress peerRouterMacAddress, |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 248 | boolean install) { |
| 249 | MacAddress routerMacAddress = getRouterMacAddress(router); |
| 250 | if (routerMacAddress == null) { |
| 251 | return; |
| 252 | } |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 253 | |
| 254 | if (routerSnatIp == null || peerRouterMacAddress == null) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 255 | return; |
| 256 | } |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 257 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 258 | TrafficSelector.Builder selector = DefaultTrafficSelector.builder() |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 259 | .matchEthType(Ethernet.TYPE_IPV4) |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 260 | .matchEthDst(routerMacAddress); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 261 | |
| 262 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 263 | |
| 264 | ExtensionTreatment natTreatment = RulePopulatorUtil |
| 265 | .niciraConnTrackTreatmentBuilder(driverService, gatewayNode.intgBridge()) |
| 266 | .commit(true) |
| 267 | .natFlag(CT_NAT_SRC_FLAG) |
| 268 | .natAction(true) |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 269 | .natIp(routerSnatIp) |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 270 | .natPortMin(TpPort.tpPort(TP_PORT_MINIMUM_NUM)) |
| 271 | .natPortMax(TpPort.tpPort(TP_PORT_MAXIMUM_NUM)) |
| 272 | .build(); |
| 273 | |
| 274 | tBuilder.extension(natTreatment, gatewayNode.intgBridge()) |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 275 | .setEthDst(peerRouterMacAddress) |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 276 | .setEthSrc(DEFAULT_GATEWAY_MAC) |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 277 | .setOutput(externalPatchPortNum(deviceService, gatewayNode)); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 278 | |
| 279 | flowService.setRule( |
| 280 | appId, |
| 281 | gatewayNode.intgBridge(), |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 282 | selector.build(), |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 283 | tBuilder.build(), |
| 284 | PRIORITY_STATEFUL_SNAT_RULE, |
Jian Li | f89d960 | 2021-04-27 19:05:49 +0900 | [diff] [blame] | 285 | GW_ENTRY_TABLE, |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 286 | install); |
| 287 | } |
| 288 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 289 | private void setStatefulSnatDownStreamRuleForKubevirtPort(KubevirtRouter router, |
| 290 | KubevirtNode gatewayNode, |
| 291 | KubevirtPort kubevirtPort, |
| 292 | boolean install) { |
| 293 | MacAddress routerMacAddress = getRouterMacAddress(router); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 294 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 295 | if (routerMacAddress == null) { |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 296 | log.error("Failed to set stateful snat downstream rule because " + |
| 297 | "there's no br-int port for device {}", gatewayNode.intgBridge()); |
| 298 | return; |
| 299 | } |
| 300 | |
| 301 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 302 | .matchEthType(Ethernet.TYPE_IPV4) |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 303 | .matchEthSrc(routerMacAddress) |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 304 | .matchIPDst(IpPrefix.valueOf(kubevirtPort.ipAddress(), 32)); |
| 305 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 306 | KubevirtNetwork network = kubevirtNetworkService.network(kubevirtPort.networkId()); |
| 307 | |
| 308 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 309 | .setEthDst(kubevirtPort.macAddress()) |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 310 | .transition(FORWARDING_TABLE); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 311 | |
| 312 | flowService.setRule( |
| 313 | appId, |
| 314 | gatewayNode.intgBridge(), |
| 315 | sBuilder.build(), |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 316 | tBuilder.build(), |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 317 | PRIORITY_STATEFUL_SNAT_RULE, |
Jian Li | f89d960 | 2021-04-27 19:05:49 +0900 | [diff] [blame] | 318 | GW_DROP_TABLE, |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 319 | install); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 320 | |
| 321 | if (network.type() == VXLAN || network.type() == GENEVE || network.type() == GRE) { |
Daniel Park | 328fb60 | 2021-05-31 13:49:53 +0900 | [diff] [blame] | 322 | setDownStreamRulesToGatewayTunBridge(network, gatewayNode, kubevirtPort, install); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 323 | } |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 324 | } |
| 325 | |
Daniel Park | 328fb60 | 2021-05-31 13:49:53 +0900 | [diff] [blame] | 326 | private void setDownStreamRulesToGatewayTunBridge(KubevirtNetwork network, |
| 327 | KubevirtNode electedGw, |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 328 | KubevirtPort port, boolean install) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 329 | KubevirtNode workerNode = kubevirtNodeService.node(port.deviceId()); |
| 330 | if (workerNode == null) { |
| 331 | return; |
| 332 | } |
| 333 | |
| 334 | PortNumber tunnelPortNumber = tunnelPort(electedGw, network); |
| 335 | if (tunnelPortNumber == null) { |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 336 | return; |
| 337 | } |
| 338 | |
| 339 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 340 | .matchEthType(Ethernet.TYPE_IPV4) |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 341 | .matchIPDst(IpPrefix.valueOf(port.ipAddress(), 32)) |
| 342 | .matchEthDst(port.macAddress()); |
| 343 | |
| 344 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 345 | .setTunnelId(Long.parseLong(network.segmentId())) |
| 346 | .extension(buildExtension( |
| 347 | deviceService, |
| 348 | electedGw.tunBridge(), |
| 349 | workerNode.dataIp().getIp4Address()), |
| 350 | electedGw.tunBridge()) |
| 351 | .setOutput(tunnelPortNumber); |
| 352 | |
| 353 | flowService.setRule( |
| 354 | appId, |
| 355 | electedGw.tunBridge(), |
| 356 | sBuilder.build(), |
| 357 | tBuilder.build(), |
| 358 | PRIORITY_FORWARDING_RULE, |
| 359 | TUNNEL_DEFAULT_TABLE, |
| 360 | install); |
| 361 | } |
| 362 | |
| 363 | private void setStatefulSnatDownstreamRuleForRouter(KubevirtNode gatewayNode, |
| 364 | KubevirtRouter router, |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 365 | IpAddress routerSnatIp, |
| 366 | KubevirtNetwork externalNetwork, |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 367 | boolean install) { |
| 368 | |
| 369 | MacAddress routerMacAddress = getRouterMacAddress(router); |
| 370 | |
| 371 | if (routerMacAddress == null) { |
| 372 | log.warn("Failed to set stateful snat downstream rule because " + |
| 373 | "there's no br-int port for device {}", gatewayNode.intgBridge()); |
| 374 | return; |
| 375 | } |
| 376 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 377 | if (externalNetwork == null) { |
| 378 | log.warn("Failed to set stateful snat downstream rule because " + |
| 379 | "there's no external network router {}", router.name()); |
| 380 | return; |
| 381 | } |
| 382 | |
| 383 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 384 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 385 | |
| 386 | if (externalNetwork.type() == VLAN) { |
| 387 | sBuilder.matchEthType(Ethernet.TYPE_VLAN) |
| 388 | .matchVlanId(VlanId.vlanId(externalNetwork.segmentId())); |
| 389 | tBuilder.popVlan(); |
| 390 | } else { |
| 391 | sBuilder.matchEthType(Ethernet.TYPE_IPV4); |
| 392 | } |
| 393 | |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 394 | sBuilder.matchIPDst(IpPrefix.valueOf(routerSnatIp, 32)); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 395 | |
| 396 | ExtensionTreatment natTreatment = RulePopulatorUtil |
| 397 | .niciraConnTrackTreatmentBuilder(driverService, gatewayNode.intgBridge()) |
| 398 | .commit(false) |
| 399 | .natAction(true) |
Jian Li | f89d960 | 2021-04-27 19:05:49 +0900 | [diff] [blame] | 400 | .table((short) GW_DROP_TABLE) |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 401 | .build(); |
| 402 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 403 | tBuilder.setEthSrc(routerMacAddress) |
| 404 | .extension(natTreatment, gatewayNode.intgBridge()); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 405 | |
| 406 | flowService.setRule( |
| 407 | appId, |
| 408 | gatewayNode.intgBridge(), |
| 409 | sBuilder.build(), |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 410 | tBuilder.build(), |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 411 | PRIORITY_STATEFUL_SNAT_RULE, |
Jian Li | f89d960 | 2021-04-27 19:05:49 +0900 | [diff] [blame] | 412 | GW_ENTRY_TABLE, |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 413 | install); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 414 | } |
| 415 | |
| 416 | private class InternalRouterEventListener implements KubevirtRouterListener { |
| 417 | private boolean isRelevantHelper() { |
| 418 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 419 | } |
| 420 | |
| 421 | @Override |
| 422 | public void event(KubevirtRouterEvent event) { |
| 423 | switch (event.type()) { |
| 424 | case KUBEVIRT_ROUTER_CREATED: |
| 425 | eventExecutor.execute(() -> processRouterCreation(event.subject())); |
| 426 | break; |
Daniel Park | 8ad7c3b | 2021-04-09 15:45:59 +0900 | [diff] [blame] | 427 | case KUBEVIRT_SNAT_STATUS_DISABLED: |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 428 | case KUBEVIRT_ROUTER_REMOVED: |
| 429 | eventExecutor.execute(() -> processRouterDeletion(event.subject())); |
| 430 | break; |
| 431 | case KUBEVIRT_ROUTER_UPDATED: |
| 432 | eventExecutor.execute(() -> processRouterUpdate(event.subject())); |
| 433 | break; |
| 434 | case KUBEVIRT_ROUTER_INTERNAL_NETWORKS_ATTACHED: |
| 435 | eventExecutor.execute(() -> processRouterInternalNetworksAttached(event.subject(), |
| 436 | event.internal())); |
| 437 | break; |
| 438 | case KUBEVIRT_ROUTER_INTERNAL_NETWORKS_DETACHED: |
| 439 | eventExecutor.execute(() -> processRouterInternalNetworksDetached(event.subject(), |
| 440 | event.internal())); |
| 441 | break; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 442 | case KUBEVIRT_GATEWAY_NODE_ATTACHED: |
| 443 | eventExecutor.execute(() -> processRouterGatewayNodeAttached(event.subject(), |
| 444 | event.gateway())); |
| 445 | break; |
| 446 | case KUBEVIRT_GATEWAY_NODE_DETACHED: |
| 447 | eventExecutor.execute(() -> processRouterGatewayNodeDetached(event.subject(), |
| 448 | event.gateway())); |
| 449 | break; |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 450 | case KUBEVIRT_GATEWAY_NODE_CHANGED: |
| 451 | eventExecutor.execute(() -> processRouterGatewayNodeChanged(event.subject(), |
| 452 | event.gateway())); |
| 453 | break; |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 454 | case KUBEVIRT_ROUTER_EXTERNAL_NETWORK_ATTACHED: |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 455 | eventExecutor.execute(() -> processRouterExternalNetAttached(event.subject(), |
| 456 | event.externalIp(), event.externalNet(), |
| 457 | event.externalPeerRouterIp(), event.peerRouterMac())); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 458 | break; |
| 459 | case KUBEVIRT_ROUTER_EXTERNAL_NETWORK_DETACHED: |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 460 | eventExecutor.execute(() -> processRouterExternalNetDetached(event.subject(), |
| 461 | event.externalIp(), event.externalNet(), |
| 462 | event.externalPeerRouterIp(), event.peerRouterMac())); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 463 | break; |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 464 | default: |
| 465 | //do nothing |
| 466 | break; |
| 467 | } |
| 468 | } |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 469 | |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 470 | private void processRouterExternalNetAttached(KubevirtRouter router, String externalIp, String externalNet, |
| 471 | String peerRouterIp, MacAddress peerRouterMac) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 472 | if (!isRelevantHelper()) { |
| 473 | return; |
| 474 | } |
| 475 | KubevirtNode electedGw = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 476 | |
| 477 | if (electedGw == null) { |
| 478 | log.warn("Fail to process router external network attached gateway node snat for router {} " + |
| 479 | "there's no gateway assigned to it", router.name()); |
| 480 | return; |
| 481 | } |
| 482 | |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 483 | if (router.enableSnat() && |
| 484 | peerRouterIp != null && peerRouterMac != null && externalIp != null && externalNet != null) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 485 | setArpResponseToPeerRouter(electedGw, Ip4Address.valueOf(externalIp), true); |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 486 | setStatefulSnatUpstreamRules(electedGw, router, Ip4Address.valueOf(externalIp), |
| 487 | peerRouterMac, true); |
| 488 | setStatefulSnatDownstreamRuleForRouter(electedGw, router, Ip4Address.valueOf(externalIp), |
| 489 | kubevirtNetworkService.network(externalNet), true); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 490 | } |
| 491 | |
| 492 | router.internal() |
| 493 | .stream() |
| 494 | .filter(networkId -> kubevirtNetworkService.network(networkId) != null) |
| 495 | .map(kubevirtNetworkService::network) |
| 496 | .forEach(network -> { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 497 | kubevirtPortService.ports(network.networkId()).forEach(kubevirtPort -> { |
| 498 | setStatefulSnatDownStreamRuleForKubevirtPort(router, |
| 499 | electedGw, kubevirtPort, true); |
| 500 | }); |
| 501 | }); |
| 502 | } |
| 503 | |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 504 | private void processRouterExternalNetDetached(KubevirtRouter router, String externalIp, String externalNet, |
| 505 | String peerRouterIp, MacAddress peerRouterMac) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 506 | if (!isRelevantHelper()) { |
| 507 | return; |
| 508 | } |
| 509 | if (!isRelevantHelper()) { |
| 510 | return; |
| 511 | } |
Daniel Park | 05a9458 | 2021-05-12 10:57:02 +0900 | [diff] [blame] | 512 | KubevirtNode electedGw = kubevirtNodeService.node(router.electedGateway()); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 513 | |
| 514 | if (electedGw == null) { |
| 515 | log.warn("Fail to process router external network attached gateway node snat for router {} " + |
| 516 | "there's no gateway assigned to it", router.name()); |
| 517 | return; |
| 518 | } |
| 519 | |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 520 | if (router.enableSnat() && |
| 521 | peerRouterIp != null && peerRouterMac != null && externalIp != null && externalNet != null) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 522 | setArpResponseToPeerRouter(electedGw, Ip4Address.valueOf(externalIp), false); |
Daniel Park | 5a3e939 | 2021-03-23 08:00:00 +0900 | [diff] [blame] | 523 | setStatefulSnatUpstreamRules(electedGw, router, |
| 524 | Ip4Address.valueOf(externalIp), peerRouterMac, false); |
| 525 | setStatefulSnatDownstreamRuleForRouter(electedGw, router, Ip4Address.valueOf(externalIp), |
| 526 | kubevirtNetworkService.network(externalNet), false); |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 527 | } |
| 528 | |
| 529 | router.internal() |
| 530 | .stream() |
| 531 | .filter(networkId -> kubevirtNetworkService.network(networkId) != null) |
| 532 | .map(kubevirtNetworkService::network) |
| 533 | .forEach(network -> { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 534 | kubevirtPortService.ports(network.networkId()).forEach(kubevirtPort -> { |
| 535 | setStatefulSnatDownStreamRuleForKubevirtPort(router, |
| 536 | electedGw, kubevirtPort, false); |
| 537 | }); |
| 538 | }); |
| 539 | } |
| 540 | |
| 541 | private void processRouterGatewayNodeAttached(KubevirtRouter router, String attachedGatewayId) { |
| 542 | if (!isRelevantHelper()) { |
| 543 | return; |
| 544 | } |
| 545 | |
| 546 | KubevirtNode attachedGateway = kubevirtNodeService.node(attachedGatewayId); |
| 547 | if (attachedGateway == null) { |
| 548 | return; |
| 549 | } |
| 550 | |
Daniel Park | 8ad7c3b | 2021-04-09 15:45:59 +0900 | [diff] [blame] | 551 | if (!router.enableSnat()) { |
| 552 | return; |
| 553 | } |
| 554 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 555 | router.internal() |
| 556 | .stream() |
| 557 | .filter(networkId -> kubevirtNetworkService.network(networkId) != null) |
| 558 | .map(kubevirtNetworkService::network) |
| 559 | .forEach(network -> { |
| 560 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 561 | if (routerSnatIp == null) { |
| 562 | return; |
| 563 | } |
| 564 | kubevirtPortService.ports(network.networkId()).forEach(kubevirtPort -> { |
| 565 | setStatefulSnatDownStreamRuleForKubevirtPort(router, |
| 566 | attachedGateway, kubevirtPort, true); |
| 567 | }); |
| 568 | }); |
| 569 | } |
| 570 | |
| 571 | private void processRouterGatewayNodeDetached(KubevirtRouter router, String detachedGatewayId) { |
| 572 | if (!isRelevantHelper()) { |
| 573 | return; |
| 574 | } |
| 575 | |
| 576 | KubevirtNode detachedGateway = kubevirtNodeService.node(detachedGatewayId); |
| 577 | if (detachedGateway == null) { |
| 578 | return; |
| 579 | } |
| 580 | |
Daniel Park | 8ad7c3b | 2021-04-09 15:45:59 +0900 | [diff] [blame] | 581 | if (!router.enableSnat()) { |
| 582 | return; |
| 583 | } |
| 584 | |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 585 | router.internal() |
| 586 | .stream() |
| 587 | .filter(networkId -> kubevirtNetworkService.network(networkId) != null) |
| 588 | .map(kubevirtNetworkService::network) |
| 589 | .forEach(network -> { |
| 590 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 591 | if (routerSnatIp == null) { |
| 592 | return; |
| 593 | } |
| 594 | |
| 595 | kubevirtPortService.ports(network.networkId()).forEach(kubevirtPort -> { |
| 596 | setStatefulSnatDownStreamRuleForKubevirtPort(router, |
| 597 | detachedGateway, kubevirtPort, false); |
| 598 | }); |
| 599 | }); |
| 600 | } |
| 601 | |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 602 | private void processRouterInternalNetworksAttached(KubevirtRouter router, |
| 603 | Set<String> attachedInternalNetworks) { |
| 604 | if (!isRelevantHelper()) { |
| 605 | return; |
| 606 | } |
| 607 | |
| 608 | KubevirtNode gwNode = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 609 | if (gwNode == null) { |
| 610 | return; |
| 611 | } |
| 612 | |
Daniel Park | 8ad7c3b | 2021-04-09 15:45:59 +0900 | [diff] [blame] | 613 | if (!router.enableSnat()) { |
| 614 | return; |
| 615 | } |
| 616 | |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 617 | attachedInternalNetworks.forEach(networkId -> { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 618 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 619 | if (routerSnatIp == null) { |
| 620 | return; |
| 621 | } |
| 622 | |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 623 | kubevirtPortService.ports(networkId).forEach(kubevirtPort -> { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 624 | setStatefulSnatDownStreamRuleForKubevirtPort(router, gwNode, kubevirtPort, true); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 625 | }); |
| 626 | }); |
| 627 | } |
| 628 | |
| 629 | private void processRouterInternalNetworksDetached(KubevirtRouter router, |
| 630 | Set<String> detachedInternalNetworks) { |
| 631 | if (!isRelevantHelper()) { |
| 632 | return; |
| 633 | } |
| 634 | |
| 635 | KubevirtNode gwNode = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 636 | if (gwNode == null) { |
| 637 | return; |
| 638 | } |
| 639 | |
Daniel Park | 8ad7c3b | 2021-04-09 15:45:59 +0900 | [diff] [blame] | 640 | if (!router.enableSnat()) { |
| 641 | return; |
| 642 | } |
| 643 | |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 644 | detachedInternalNetworks.forEach(networkId -> { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 645 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 646 | if (routerSnatIp == null) { |
| 647 | log.info("snatIp is null"); |
| 648 | return; |
| 649 | } |
| 650 | |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 651 | kubevirtPortService.ports(networkId).forEach(kubevirtPort -> { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 652 | setStatefulSnatDownStreamRuleForKubevirtPort(router, gwNode, kubevirtPort, false); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 653 | }); |
| 654 | }); |
| 655 | } |
| 656 | private void processRouterCreation(KubevirtRouter router) { |
| 657 | if (!isRelevantHelper()) { |
| 658 | return; |
| 659 | } |
| 660 | if (router.enableSnat() && !router.external().isEmpty() && router.peerRouter() != null) { |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 661 | initGatewayNodeSnatForRouter(router, router.electedGateway(), true); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 662 | } |
| 663 | } |
| 664 | |
| 665 | private void processRouterDeletion(KubevirtRouter router) { |
| 666 | if (!isRelevantHelper()) { |
| 667 | return; |
| 668 | } |
Daniel Park | de23826 | 2021-06-14 07:31:06 +0900 | [diff] [blame] | 669 | |
| 670 | |
| 671 | if (!router.external().isEmpty() && router.peerRouter() != null && router.electedGateway() != null) { |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 672 | initGatewayNodeSnatForRouter(router, router.electedGateway(), false); |
Daniel Park | a5ba88d | 2021-05-28 15:46:46 +0900 | [diff] [blame] | 673 | |
Daniel Park | de23826 | 2021-06-14 07:31:06 +0900 | [diff] [blame] | 674 | KubevirtNode gatewayNode = kubevirtNodeService.node(router.electedGateway()); |
Daniel Park | a5ba88d | 2021-05-28 15:46:46 +0900 | [diff] [blame] | 675 | |
Daniel Park | de23826 | 2021-06-14 07:31:06 +0900 | [diff] [blame] | 676 | router.internal() |
| 677 | .stream() |
| 678 | .filter(networkId -> kubevirtNetworkService.network(networkId) != null) |
| 679 | .map(kubevirtNetworkService::network) |
| 680 | .forEach(network -> { |
| 681 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 682 | if (routerSnatIp == null) { |
| 683 | return; |
| 684 | } |
| 685 | |
| 686 | kubevirtPortService.ports(network.networkId()).forEach(kubevirtPort -> { |
| 687 | setStatefulSnatDownStreamRuleForKubevirtPort(router, |
| 688 | gatewayNode, kubevirtPort, false); |
| 689 | }); |
Daniel Park | a5ba88d | 2021-05-28 15:46:46 +0900 | [diff] [blame] | 690 | }); |
Daniel Park | de23826 | 2021-06-14 07:31:06 +0900 | [diff] [blame] | 691 | } |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 692 | } |
| 693 | |
| 694 | private void processRouterUpdate(KubevirtRouter router) { |
| 695 | if (!isRelevantHelper()) { |
| 696 | return; |
| 697 | } |
| 698 | if (router.enableSnat() && !router.external().isEmpty() && router.peerRouter() != null) { |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 699 | initGatewayNodeSnatForRouter(router, router.electedGateway(), true); |
Jian Li | 0ab242b | 2021-07-16 17:41:13 +0900 | [diff] [blame] | 700 | |
| 701 | KubevirtNode gatewayNode = kubevirtNodeService.node(router.electedGateway()); |
| 702 | |
| 703 | router.internal() |
| 704 | .stream() |
| 705 | .filter(networkId -> kubevirtNetworkService.network(networkId) != null) |
| 706 | .map(kubevirtNetworkService::network) |
| 707 | .forEach(network -> { |
| 708 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 709 | if (routerSnatIp == null) { |
| 710 | return; |
| 711 | } |
| 712 | |
| 713 | kubevirtPortService.ports(network.networkId()).forEach(kubevirtPort -> { |
| 714 | setStatefulSnatDownStreamRuleForKubevirtPort(router, |
| 715 | gatewayNode, kubevirtPort, true); |
| 716 | }); |
| 717 | }); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 718 | } |
| 719 | } |
Daniel Park | 157947f | 2021-04-09 17:50:53 +0900 | [diff] [blame] | 720 | |
| 721 | private void processRouterGatewayNodeChanged(KubevirtRouter router, |
| 722 | String disAssociatedGateway) { |
| 723 | if (!isRelevantHelper()) { |
| 724 | return; |
| 725 | } |
| 726 | |
| 727 | if (router.enableSnat() && !router.external().isEmpty() && router.peerRouter() != null) { |
| 728 | initGatewayNodeSnatForRouter(router, disAssociatedGateway, false); |
| 729 | initGatewayNodeSnatForRouter(router, router.electedGateway(), true); |
| 730 | |
| 731 | processRouterGatewayNodeDetached(router, disAssociatedGateway); |
| 732 | processRouterGatewayNodeAttached(router, router.electedGateway()); |
| 733 | |
| 734 | sendGarpPacketForSnatIp(router); |
| 735 | } |
| 736 | } |
| 737 | |
| 738 | private void sendGarpPacketForSnatIp(KubevirtRouter router) { |
| 739 | if (router == null || router.electedGateway() == null) { |
| 740 | return; |
| 741 | } |
| 742 | |
| 743 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 744 | |
| 745 | if (routerSnatIp == null) { |
| 746 | log.warn("Fail to initialize gateway node snat for router {} " + |
| 747 | "because there's no gateway snat ip assigned to it", router.name()); |
| 748 | return; |
| 749 | } |
| 750 | |
| 751 | Ethernet ethernet = buildGarpPacket(DEFAULT_GATEWAY_MAC, IpAddress.valueOf(routerSnatIp)); |
| 752 | |
| 753 | if (ethernet == null) { |
| 754 | return; |
| 755 | } |
| 756 | |
| 757 | KubevirtNode gatewayNode = kubevirtNodeService.node(router.electedGateway()); |
| 758 | |
| 759 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 760 | .setOutput(externalPatchPortNum(deviceService, gatewayNode)).build(); |
| 761 | |
| 762 | packetService.emit(new DefaultOutboundPacket(gatewayNode.intgBridge(), treatment, |
| 763 | ByteBuffer.wrap(ethernet.serialize()))); |
| 764 | } |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 765 | } |
| 766 | |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 767 | private class InternalKubevirtPortListener implements KubevirtPortListener { |
| 768 | |
| 769 | private boolean isRelevantHelper() { |
| 770 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 771 | } |
| 772 | |
| 773 | @Override |
| 774 | public void event(KubevirtPortEvent event) { |
| 775 | switch (event.type()) { |
| 776 | case KUBEVIRT_PORT_CREATED: |
| 777 | eventExecutor.execute(() -> processPortCreation(event.subject())); |
| 778 | break; |
| 779 | case KUBEVIRT_PORT_UPDATED: |
| 780 | eventExecutor.execute(() -> processPortUpdate(event.subject())); |
| 781 | break; |
| 782 | case KUBEVIRT_PORT_REMOVED: |
| 783 | eventExecutor.execute(() -> processPortDeletion(event.subject())); |
| 784 | break; |
| 785 | default: |
| 786 | //do nothing |
| 787 | break; |
| 788 | } |
| 789 | } |
| 790 | |
| 791 | private void processPortCreation(KubevirtPort kubevirtPort) { |
| 792 | if (!isRelevantHelper()) { |
| 793 | return; |
| 794 | } |
| 795 | |
Daniel Park | babde9c | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 796 | KubevirtRouter router = getRouterForKubevirtPort(kubevirtRouterService, kubevirtPort); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 797 | if (router == null) { |
| 798 | return; |
| 799 | } |
| 800 | |
| 801 | KubevirtNode gwNode = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 802 | |
| 803 | if (gwNode != null) { |
| 804 | IpAddress gatewaySnatIp = getRouterSnatIpAddress(kubevirtRouterService, kubevirtPort.networkId()); |
| 805 | if (gatewaySnatIp == null) { |
| 806 | return; |
| 807 | } |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 808 | setStatefulSnatDownStreamRuleForKubevirtPort(router, gwNode, kubevirtPort, true); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 809 | } |
| 810 | } |
| 811 | |
| 812 | private void processPortUpdate(KubevirtPort kubevirtPort) { |
| 813 | if (!isRelevantHelper()) { |
| 814 | return; |
| 815 | } |
| 816 | |
Daniel Park | babde9c | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 817 | KubevirtRouter router = getRouterForKubevirtPort(kubevirtRouterService, kubevirtPort); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 818 | if (router == null) { |
| 819 | return; |
| 820 | } |
| 821 | |
| 822 | KubevirtNode gwNode = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 823 | |
| 824 | if (gwNode != null) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 825 | setStatefulSnatDownStreamRuleForKubevirtPort(router, gwNode, kubevirtPort, true); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 826 | } |
| 827 | } |
| 828 | |
| 829 | private void processPortDeletion(KubevirtPort kubevirtPort) { |
| 830 | if (!isRelevantHelper()) { |
| 831 | return; |
| 832 | } |
| 833 | |
Daniel Park | babde9c | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 834 | KubevirtRouter router = getRouterForKubevirtPort(kubevirtRouterService, kubevirtPort); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 835 | if (router == null) { |
| 836 | return; |
| 837 | } |
| 838 | |
| 839 | KubevirtNode gwNode = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 840 | |
| 841 | if (gwNode != null) { |
Daniel Park | f313604 | 2021-03-10 07:49:11 +0900 | [diff] [blame] | 842 | setStatefulSnatDownStreamRuleForKubevirtPort(router, gwNode, kubevirtPort, false); |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 843 | } |
| 844 | } |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 845 | } |
Daniel Park | 2884b23 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 846 | } |