Daniel Park | b9a2202 | 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 | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 26 | import org.onlab.packet.VlanId; |
Daniel Park | b9a2202 | 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 | b9a2202 | 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 | b9a2202 | 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; |
| 55 | import org.osgi.service.component.annotations.Activate; |
| 56 | import org.osgi.service.component.annotations.Component; |
| 57 | import org.osgi.service.component.annotations.Deactivate; |
| 58 | import org.osgi.service.component.annotations.Reference; |
| 59 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 60 | import org.slf4j.Logger; |
| 61 | |
| 62 | import java.util.Objects; |
| 63 | import java.util.Set; |
| 64 | import java.util.concurrent.ExecutorService; |
| 65 | |
| 66 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 67 | import static org.onlab.util.Tools.groupedThreads; |
| 68 | import static org.onosproject.kubevirtnetworking.api.Constants.DEFAULT_GATEWAY_MAC; |
| 69 | import static org.onosproject.kubevirtnetworking.api.Constants.FLAT_TABLE; |
| 70 | import static org.onosproject.kubevirtnetworking.api.Constants.FORWARDING_TABLE; |
| 71 | import static org.onosproject.kubevirtnetworking.api.Constants.KUBEVIRT_NETWORKING_APP_ID; |
| 72 | import static org.onosproject.kubevirtnetworking.api.Constants.PRE_FLAT_TABLE; |
| 73 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_ARP_GATEWAY_RULE; |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 74 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_FORWARDING_RULE; |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 75 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_STATEFUL_SNAT_RULE; |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 76 | import static org.onosproject.kubevirtnetworking.api.Constants.TUNNEL_DEFAULT_TABLE; |
| 77 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.GENEVE; |
| 78 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.GRE; |
| 79 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.VLAN; |
| 80 | import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.VXLAN; |
| 81 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.externalPatchPortNum; |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 82 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.gatewayNodeForSpecifiedRouter; |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 83 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.getExternalNetworkByRouter; |
Daniel Park | cc8e746 | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 84 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.getRouterForKubevirtPort; |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 85 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.getRouterSnatIpAddress; |
| 86 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.getRouterMacAddress; |
| 87 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.tunnelPort; |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 88 | import static org.onosproject.kubevirtnetworking.util.RulePopulatorUtil.CT_NAT_SRC_FLAG; |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 89 | import static org.onosproject.kubevirtnetworking.util.RulePopulatorUtil.buildExtension; |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 90 | import static org.slf4j.LoggerFactory.getLogger; |
| 91 | |
| 92 | /** |
| 93 | * Handles kubevirt routing snat. |
| 94 | */ |
| 95 | |
| 96 | @Component(immediate = true) |
| 97 | public class KubevirtRoutingSnatHandler { |
| 98 | protected final Logger log = getLogger(getClass()); |
| 99 | private static final int DEFAULT_TTL = 0xff; |
| 100 | |
| 101 | private static final int TP_PORT_MINIMUM_NUM = 1025; |
| 102 | private static final int TP_PORT_MAXIMUM_NUM = 65535; |
| 103 | |
| 104 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 105 | protected CoreService coreService; |
| 106 | |
| 107 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 108 | protected ClusterService clusterService; |
| 109 | |
| 110 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 111 | protected LeadershipService leadershipService; |
| 112 | |
| 113 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 114 | protected DeviceAdminService deviceService; |
| 115 | |
| 116 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 117 | protected KubevirtPortService kubevirtPortService; |
| 118 | |
| 119 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 120 | protected KubevirtNodeService kubevirtNodeService; |
| 121 | |
| 122 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 123 | protected KubevirtNetworkService kubevirtNetworkService; |
| 124 | |
| 125 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 126 | protected KubevirtFlowRuleService flowService; |
| 127 | |
| 128 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 129 | protected DriverService driverService; |
| 130 | |
| 131 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 132 | protected KubevirtRouterService kubevirtRouterService; |
| 133 | |
| 134 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 135 | groupedThreads(this.getClass().getSimpleName(), "event-handler")); |
| 136 | |
| 137 | private final InternalKubevirtPortListener kubevirtPortListener = |
| 138 | new InternalKubevirtPortListener(); |
| 139 | |
| 140 | private final InternalRouterEventListener kubevirtRouterlistener = |
| 141 | new InternalRouterEventListener(); |
| 142 | |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 143 | private ApplicationId appId; |
| 144 | private NodeId localNodeId; |
| 145 | |
| 146 | @Activate |
| 147 | protected void activate() { |
| 148 | appId = coreService.registerApplication(KUBEVIRT_NETWORKING_APP_ID); |
| 149 | localNodeId = clusterService.getLocalNode().id(); |
| 150 | leadershipService.runForLeadership(appId.name()); |
| 151 | |
| 152 | kubevirtPortService.addListener(kubevirtPortListener); |
| 153 | kubevirtRouterService.addListener(kubevirtRouterlistener); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 154 | |
| 155 | log.info("Started"); |
| 156 | } |
| 157 | |
| 158 | @Deactivate |
| 159 | protected void deactivate() { |
| 160 | leadershipService.withdraw(appId.name()); |
| 161 | kubevirtPortService.removeListener(kubevirtPortListener); |
| 162 | kubevirtRouterService.removeListener(kubevirtRouterlistener); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 163 | |
| 164 | eventExecutor.shutdown(); |
| 165 | |
| 166 | log.info("Stopped"); |
| 167 | } |
| 168 | |
| 169 | private void initGatewayNodeSnatForRouter(KubevirtRouter router, boolean install) { |
| 170 | KubevirtNode electedGw = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 171 | |
| 172 | if (electedGw == null) { |
| 173 | log.warn("Fail to initialize gateway node snat for router {} " + |
| 174 | "there's no gateway assigned to it", router.name()); |
| 175 | return; |
| 176 | } |
| 177 | |
| 178 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 179 | |
| 180 | if (routerSnatIp == null) { |
| 181 | log.warn("Fail to initialize gateway node snat for router {} " + |
| 182 | "there's no gateway snat ip assigned to it", router.name()); |
| 183 | return; |
| 184 | } |
| 185 | |
| 186 | setArpResponseToPeerRouter(electedGw, Ip4Address.valueOf(routerSnatIp), install); |
| 187 | setStatefulSnatUpstreamRules(electedGw, router, Ip4Address.valueOf(routerSnatIp), install); |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 188 | setStatefulSnatDownstreamRuleForRouter(electedGw, router, Ip4Address.valueOf(routerSnatIp), install); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 189 | } |
| 190 | |
| 191 | private void setArpResponseToPeerRouter(KubevirtNode gatewayNode, Ip4Address ip4Address, boolean install) { |
| 192 | |
| 193 | TrafficSelector selector = DefaultTrafficSelector.builder() |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 194 | .matchInPort(externalPatchPortNum(deviceService, gatewayNode)) |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 195 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 196 | .matchArpOp(ARP.OP_REQUEST) |
| 197 | .matchArpTpa(ip4Address) |
| 198 | .build(); |
| 199 | |
| 200 | Device device = deviceService.getDevice(gatewayNode.intgBridge()); |
| 201 | |
| 202 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 203 | .extension(RulePopulatorUtil.buildMoveEthSrcToDstExtension(device), device.id()) |
| 204 | .extension(RulePopulatorUtil.buildMoveArpShaToThaExtension(device), device.id()) |
| 205 | .extension(RulePopulatorUtil.buildMoveArpSpaToTpaExtension(device), device.id()) |
| 206 | .setArpOp(ARP.OP_REPLY) |
| 207 | .setEthSrc(DEFAULT_GATEWAY_MAC) |
| 208 | .setArpSha(DEFAULT_GATEWAY_MAC) |
| 209 | .setArpSpa(ip4Address) |
| 210 | .setOutput(PortNumber.IN_PORT) |
| 211 | .build(); |
| 212 | |
| 213 | flowService.setRule( |
| 214 | appId, |
| 215 | gatewayNode.intgBridge(), |
| 216 | selector, |
| 217 | treatment, |
| 218 | PRIORITY_ARP_GATEWAY_RULE, |
| 219 | PRE_FLAT_TABLE, |
| 220 | install); |
| 221 | } |
| 222 | |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 223 | private void setStatefulSnatUpstreamRules(KubevirtNode gatewayNode, |
| 224 | KubevirtRouter router, |
| 225 | Ip4Address ip4Address, |
| 226 | boolean install) { |
| 227 | MacAddress routerMacAddress = getRouterMacAddress(router); |
| 228 | if (routerMacAddress == null) { |
| 229 | return; |
| 230 | } |
| 231 | MacAddress peerRouterMacAddres = router.peerRouter().macAddress(); |
| 232 | if (peerRouterMacAddres == null) { |
| 233 | return; |
| 234 | } |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 235 | |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 236 | TrafficSelector.Builder selector = DefaultTrafficSelector.builder() |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 237 | .matchEthType(Ethernet.TYPE_IPV4) |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 238 | .matchEthDst(routerMacAddress); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 239 | |
| 240 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 241 | |
| 242 | ExtensionTreatment natTreatment = RulePopulatorUtil |
| 243 | .niciraConnTrackTreatmentBuilder(driverService, gatewayNode.intgBridge()) |
| 244 | .commit(true) |
| 245 | .natFlag(CT_NAT_SRC_FLAG) |
| 246 | .natAction(true) |
| 247 | .natIp(ip4Address) |
| 248 | .natPortMin(TpPort.tpPort(TP_PORT_MINIMUM_NUM)) |
| 249 | .natPortMax(TpPort.tpPort(TP_PORT_MAXIMUM_NUM)) |
| 250 | .build(); |
| 251 | |
| 252 | tBuilder.extension(natTreatment, gatewayNode.intgBridge()) |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 253 | .setEthDst(peerRouterMacAddres) |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 254 | .setEthSrc(DEFAULT_GATEWAY_MAC) |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 255 | .setOutput(externalPatchPortNum(deviceService, gatewayNode)); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 256 | |
| 257 | flowService.setRule( |
| 258 | appId, |
| 259 | gatewayNode.intgBridge(), |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 260 | selector.build(), |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 261 | tBuilder.build(), |
| 262 | PRIORITY_STATEFUL_SNAT_RULE, |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 263 | PRE_FLAT_TABLE, |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 264 | install); |
| 265 | } |
| 266 | |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 267 | private void setStatefulSnatDownStreamRuleForKubevirtPort(KubevirtRouter router, |
| 268 | KubevirtNode gatewayNode, |
| 269 | KubevirtPort kubevirtPort, |
| 270 | boolean install) { |
| 271 | MacAddress routerMacAddress = getRouterMacAddress(router); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 272 | |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 273 | if (routerMacAddress == null) { |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 274 | log.error("Failed to set stateful snat downstream rule because " + |
| 275 | "there's no br-int port for device {}", gatewayNode.intgBridge()); |
| 276 | return; |
| 277 | } |
| 278 | |
| 279 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 280 | .matchEthType(Ethernet.TYPE_IPV4) |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 281 | .matchEthSrc(routerMacAddress) |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 282 | .matchIPDst(IpPrefix.valueOf(kubevirtPort.ipAddress(), 32)); |
| 283 | |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 284 | KubevirtNetwork network = kubevirtNetworkService.network(kubevirtPort.networkId()); |
| 285 | |
| 286 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 287 | .setEthDst(kubevirtPort.macAddress()) |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 288 | .transition(FORWARDING_TABLE); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 289 | |
| 290 | flowService.setRule( |
| 291 | appId, |
| 292 | gatewayNode.intgBridge(), |
| 293 | sBuilder.build(), |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 294 | tBuilder.build(), |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 295 | PRIORITY_STATEFUL_SNAT_RULE, |
| 296 | FLAT_TABLE, |
| 297 | install); |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 298 | |
| 299 | if (network.type() == VXLAN || network.type() == GENEVE || network.type() == GRE) { |
| 300 | setDownStreamRulesToGatewayTunBridge(router, network, kubevirtPort, install); |
| 301 | } |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 302 | } |
| 303 | |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 304 | private void setDownStreamRulesToGatewayTunBridge(KubevirtRouter router, |
| 305 | KubevirtNetwork network, |
| 306 | KubevirtPort port, boolean install) { |
| 307 | KubevirtNode electedGw = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 308 | |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 309 | if (electedGw == null) { |
| 310 | return; |
| 311 | } |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 312 | |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 313 | KubevirtNode workerNode = kubevirtNodeService.node(port.deviceId()); |
| 314 | if (workerNode == null) { |
| 315 | return; |
| 316 | } |
| 317 | |
| 318 | PortNumber tunnelPortNumber = tunnelPort(electedGw, network); |
| 319 | if (tunnelPortNumber == null) { |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 320 | return; |
| 321 | } |
| 322 | |
| 323 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 324 | .matchEthType(Ethernet.TYPE_IPV4) |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 325 | .matchIPDst(IpPrefix.valueOf(port.ipAddress(), 32)) |
| 326 | .matchEthDst(port.macAddress()); |
| 327 | |
| 328 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 329 | .setTunnelId(Long.parseLong(network.segmentId())) |
| 330 | .extension(buildExtension( |
| 331 | deviceService, |
| 332 | electedGw.tunBridge(), |
| 333 | workerNode.dataIp().getIp4Address()), |
| 334 | electedGw.tunBridge()) |
| 335 | .setOutput(tunnelPortNumber); |
| 336 | |
| 337 | flowService.setRule( |
| 338 | appId, |
| 339 | electedGw.tunBridge(), |
| 340 | sBuilder.build(), |
| 341 | tBuilder.build(), |
| 342 | PRIORITY_FORWARDING_RULE, |
| 343 | TUNNEL_DEFAULT_TABLE, |
| 344 | install); |
| 345 | } |
| 346 | |
| 347 | private void setStatefulSnatDownstreamRuleForRouter(KubevirtNode gatewayNode, |
| 348 | KubevirtRouter router, |
| 349 | IpAddress gatewaySnatIp, |
| 350 | boolean install) { |
| 351 | |
| 352 | MacAddress routerMacAddress = getRouterMacAddress(router); |
| 353 | |
| 354 | if (routerMacAddress == null) { |
| 355 | log.warn("Failed to set stateful snat downstream rule because " + |
| 356 | "there's no br-int port for device {}", gatewayNode.intgBridge()); |
| 357 | return; |
| 358 | } |
| 359 | |
| 360 | KubevirtNetwork externalNetwork = getExternalNetworkByRouter(kubevirtNetworkService, router); |
| 361 | |
| 362 | if (externalNetwork == null) { |
| 363 | log.warn("Failed to set stateful snat downstream rule because " + |
| 364 | "there's no external network router {}", router.name()); |
| 365 | return; |
| 366 | } |
| 367 | |
| 368 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 369 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 370 | |
| 371 | if (externalNetwork.type() == VLAN) { |
| 372 | sBuilder.matchEthType(Ethernet.TYPE_VLAN) |
| 373 | .matchVlanId(VlanId.vlanId(externalNetwork.segmentId())); |
| 374 | tBuilder.popVlan(); |
| 375 | } else { |
| 376 | sBuilder.matchEthType(Ethernet.TYPE_IPV4); |
| 377 | } |
| 378 | |
| 379 | sBuilder.matchIPDst(IpPrefix.valueOf(gatewaySnatIp, 32)); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 380 | |
| 381 | ExtensionTreatment natTreatment = RulePopulatorUtil |
| 382 | .niciraConnTrackTreatmentBuilder(driverService, gatewayNode.intgBridge()) |
| 383 | .commit(false) |
| 384 | .natAction(true) |
Daniel Park | cc8e746 | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 385 | .table((short) FLAT_TABLE) |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 386 | .build(); |
| 387 | |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 388 | tBuilder.setEthSrc(routerMacAddress) |
| 389 | .extension(natTreatment, gatewayNode.intgBridge()); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 390 | |
| 391 | flowService.setRule( |
| 392 | appId, |
| 393 | gatewayNode.intgBridge(), |
| 394 | sBuilder.build(), |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 395 | tBuilder.build(), |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 396 | PRIORITY_STATEFUL_SNAT_RULE, |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 397 | PRE_FLAT_TABLE, |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 398 | install); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 399 | } |
| 400 | |
| 401 | private class InternalRouterEventListener implements KubevirtRouterListener { |
| 402 | private boolean isRelevantHelper() { |
| 403 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 404 | } |
| 405 | |
| 406 | @Override |
| 407 | public void event(KubevirtRouterEvent event) { |
| 408 | switch (event.type()) { |
| 409 | case KUBEVIRT_ROUTER_CREATED: |
| 410 | eventExecutor.execute(() -> processRouterCreation(event.subject())); |
| 411 | break; |
| 412 | case KUBEVIRT_ROUTER_REMOVED: |
| 413 | eventExecutor.execute(() -> processRouterDeletion(event.subject())); |
| 414 | break; |
| 415 | case KUBEVIRT_ROUTER_UPDATED: |
| 416 | eventExecutor.execute(() -> processRouterUpdate(event.subject())); |
| 417 | break; |
| 418 | case KUBEVIRT_ROUTER_INTERNAL_NETWORKS_ATTACHED: |
| 419 | eventExecutor.execute(() -> processRouterInternalNetworksAttached(event.subject(), |
| 420 | event.internal())); |
| 421 | break; |
| 422 | case KUBEVIRT_ROUTER_INTERNAL_NETWORKS_DETACHED: |
| 423 | eventExecutor.execute(() -> processRouterInternalNetworksDetached(event.subject(), |
| 424 | event.internal())); |
| 425 | break; |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 426 | case KUBEVIRT_GATEWAY_NODE_ATTACHED: |
| 427 | eventExecutor.execute(() -> processRouterGatewayNodeAttached(event.subject(), |
| 428 | event.gateway())); |
| 429 | break; |
| 430 | case KUBEVIRT_GATEWAY_NODE_DETACHED: |
| 431 | eventExecutor.execute(() -> processRouterGatewayNodeDetached(event.subject(), |
| 432 | event.gateway())); |
| 433 | break; |
| 434 | case KUBEVIRT_ROUTER_EXTERNAL_NETWORK_ATTACHED: |
| 435 | eventExecutor.execute(() -> processRouterExternalNetAttached(event.subject(), event.externalIp())); |
| 436 | break; |
| 437 | case KUBEVIRT_ROUTER_EXTERNAL_NETWORK_DETACHED: |
| 438 | eventExecutor.execute(() -> processRouterExternalNetDetached(event.subject(), event.externalIp())); |
| 439 | break; |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 440 | default: |
| 441 | //do nothing |
| 442 | break; |
| 443 | } |
| 444 | } |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 445 | |
| 446 | private void processRouterExternalNetAttached(KubevirtRouter router, String externalIp) { |
| 447 | if (!isRelevantHelper()) { |
| 448 | return; |
| 449 | } |
| 450 | KubevirtNode electedGw = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 451 | |
| 452 | if (electedGw == null) { |
| 453 | log.warn("Fail to process router external network attached gateway node snat for router {} " + |
| 454 | "there's no gateway assigned to it", router.name()); |
| 455 | return; |
| 456 | } |
| 457 | |
| 458 | if (router.enableSnat() && router.peerRouter() != null && externalIp != null) { |
| 459 | setArpResponseToPeerRouter(electedGw, Ip4Address.valueOf(externalIp), true); |
| 460 | setStatefulSnatUpstreamRules(electedGw, router, Ip4Address.valueOf(externalIp), true); |
| 461 | setStatefulSnatDownstreamRuleForRouter(electedGw, router, Ip4Address.valueOf(externalIp), true); |
| 462 | } |
| 463 | |
| 464 | router.internal() |
| 465 | .stream() |
| 466 | .filter(networkId -> kubevirtNetworkService.network(networkId) != null) |
| 467 | .map(kubevirtNetworkService::network) |
| 468 | .forEach(network -> { |
| 469 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 470 | if (routerSnatIp == null) { |
| 471 | return; |
| 472 | } |
| 473 | kubevirtPortService.ports(network.networkId()).forEach(kubevirtPort -> { |
| 474 | setStatefulSnatDownStreamRuleForKubevirtPort(router, |
| 475 | electedGw, kubevirtPort, true); |
| 476 | }); |
| 477 | }); |
| 478 | } |
| 479 | |
| 480 | private void processRouterExternalNetDetached(KubevirtRouter router, String externalIp) { |
| 481 | if (!isRelevantHelper()) { |
| 482 | return; |
| 483 | } |
| 484 | if (!isRelevantHelper()) { |
| 485 | return; |
| 486 | } |
| 487 | KubevirtNode electedGw = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 488 | |
| 489 | if (electedGw == null) { |
| 490 | log.warn("Fail to process router external network attached gateway node snat for router {} " + |
| 491 | "there's no gateway assigned to it", router.name()); |
| 492 | return; |
| 493 | } |
| 494 | |
| 495 | if (router.enableSnat() && router.peerRouter() != null && externalIp != null) { |
| 496 | setArpResponseToPeerRouter(electedGw, Ip4Address.valueOf(externalIp), false); |
| 497 | setStatefulSnatUpstreamRules(electedGw, router, Ip4Address.valueOf(externalIp), false); |
| 498 | setStatefulSnatDownstreamRuleForRouter(electedGw, router, Ip4Address.valueOf(externalIp), false); |
| 499 | } |
| 500 | |
| 501 | router.internal() |
| 502 | .stream() |
| 503 | .filter(networkId -> kubevirtNetworkService.network(networkId) != null) |
| 504 | .map(kubevirtNetworkService::network) |
| 505 | .forEach(network -> { |
| 506 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 507 | if (routerSnatIp == null) { |
| 508 | return; |
| 509 | } |
| 510 | kubevirtPortService.ports(network.networkId()).forEach(kubevirtPort -> { |
| 511 | setStatefulSnatDownStreamRuleForKubevirtPort(router, |
| 512 | electedGw, kubevirtPort, false); |
| 513 | }); |
| 514 | }); |
| 515 | } |
| 516 | |
| 517 | private void processRouterGatewayNodeAttached(KubevirtRouter router, String attachedGatewayId) { |
| 518 | if (!isRelevantHelper()) { |
| 519 | return; |
| 520 | } |
| 521 | |
| 522 | KubevirtNode attachedGateway = kubevirtNodeService.node(attachedGatewayId); |
| 523 | if (attachedGateway == null) { |
| 524 | return; |
| 525 | } |
| 526 | |
| 527 | router.internal() |
| 528 | .stream() |
| 529 | .filter(networkId -> kubevirtNetworkService.network(networkId) != null) |
| 530 | .map(kubevirtNetworkService::network) |
| 531 | .forEach(network -> { |
| 532 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 533 | if (routerSnatIp == null) { |
| 534 | return; |
| 535 | } |
| 536 | kubevirtPortService.ports(network.networkId()).forEach(kubevirtPort -> { |
| 537 | setStatefulSnatDownStreamRuleForKubevirtPort(router, |
| 538 | attachedGateway, kubevirtPort, true); |
| 539 | }); |
| 540 | }); |
| 541 | } |
| 542 | |
| 543 | private void processRouterGatewayNodeDetached(KubevirtRouter router, String detachedGatewayId) { |
| 544 | if (!isRelevantHelper()) { |
| 545 | return; |
| 546 | } |
| 547 | |
| 548 | KubevirtNode detachedGateway = kubevirtNodeService.node(detachedGatewayId); |
| 549 | if (detachedGateway == null) { |
| 550 | return; |
| 551 | } |
| 552 | |
| 553 | router.internal() |
| 554 | .stream() |
| 555 | .filter(networkId -> kubevirtNetworkService.network(networkId) != null) |
| 556 | .map(kubevirtNetworkService::network) |
| 557 | .forEach(network -> { |
| 558 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 559 | if (routerSnatIp == null) { |
| 560 | return; |
| 561 | } |
| 562 | |
| 563 | kubevirtPortService.ports(network.networkId()).forEach(kubevirtPort -> { |
| 564 | setStatefulSnatDownStreamRuleForKubevirtPort(router, |
| 565 | detachedGateway, kubevirtPort, false); |
| 566 | }); |
| 567 | }); |
| 568 | } |
| 569 | |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 570 | private void processRouterInternalNetworksAttached(KubevirtRouter router, |
| 571 | Set<String> attachedInternalNetworks) { |
| 572 | if (!isRelevantHelper()) { |
| 573 | return; |
| 574 | } |
| 575 | |
| 576 | KubevirtNode gwNode = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 577 | if (gwNode == null) { |
| 578 | return; |
| 579 | } |
| 580 | |
| 581 | attachedInternalNetworks.forEach(networkId -> { |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 582 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 583 | if (routerSnatIp == null) { |
| 584 | return; |
| 585 | } |
| 586 | |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 587 | kubevirtPortService.ports(networkId).forEach(kubevirtPort -> { |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 588 | setStatefulSnatDownStreamRuleForKubevirtPort(router, gwNode, kubevirtPort, true); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 589 | }); |
| 590 | }); |
| 591 | } |
| 592 | |
| 593 | private void processRouterInternalNetworksDetached(KubevirtRouter router, |
| 594 | Set<String> detachedInternalNetworks) { |
| 595 | if (!isRelevantHelper()) { |
| 596 | return; |
| 597 | } |
| 598 | |
| 599 | KubevirtNode gwNode = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 600 | if (gwNode == null) { |
| 601 | return; |
| 602 | } |
| 603 | |
| 604 | detachedInternalNetworks.forEach(networkId -> { |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 605 | String routerSnatIp = router.external().keySet().stream().findAny().orElse(null); |
| 606 | if (routerSnatIp == null) { |
| 607 | log.info("snatIp is null"); |
| 608 | return; |
| 609 | } |
| 610 | |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 611 | kubevirtPortService.ports(networkId).forEach(kubevirtPort -> { |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 612 | setStatefulSnatDownStreamRuleForKubevirtPort(router, gwNode, kubevirtPort, false); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 613 | }); |
| 614 | }); |
| 615 | } |
| 616 | private void processRouterCreation(KubevirtRouter router) { |
| 617 | if (!isRelevantHelper()) { |
| 618 | return; |
| 619 | } |
| 620 | if (router.enableSnat() && !router.external().isEmpty() && router.peerRouter() != null) { |
| 621 | initGatewayNodeSnatForRouter(router, true); |
| 622 | } |
| 623 | } |
| 624 | |
| 625 | private void processRouterDeletion(KubevirtRouter router) { |
| 626 | if (!isRelevantHelper()) { |
| 627 | return; |
| 628 | } |
| 629 | if (router.enableSnat() && !router.external().isEmpty() && router.peerRouter() != null) { |
| 630 | initGatewayNodeSnatForRouter(router, false); |
| 631 | } |
| 632 | } |
| 633 | |
| 634 | private void processRouterUpdate(KubevirtRouter router) { |
| 635 | if (!isRelevantHelper()) { |
| 636 | return; |
| 637 | } |
| 638 | if (router.enableSnat() && !router.external().isEmpty() && router.peerRouter() != null) { |
| 639 | initGatewayNodeSnatForRouter(router, true); |
| 640 | } |
| 641 | } |
| 642 | } |
| 643 | |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 644 | private class InternalKubevirtPortListener implements KubevirtPortListener { |
| 645 | |
| 646 | private boolean isRelevantHelper() { |
| 647 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 648 | } |
| 649 | |
| 650 | @Override |
| 651 | public void event(KubevirtPortEvent event) { |
| 652 | switch (event.type()) { |
| 653 | case KUBEVIRT_PORT_CREATED: |
| 654 | eventExecutor.execute(() -> processPortCreation(event.subject())); |
| 655 | break; |
| 656 | case KUBEVIRT_PORT_UPDATED: |
| 657 | eventExecutor.execute(() -> processPortUpdate(event.subject())); |
| 658 | break; |
| 659 | case KUBEVIRT_PORT_REMOVED: |
| 660 | eventExecutor.execute(() -> processPortDeletion(event.subject())); |
| 661 | break; |
| 662 | default: |
| 663 | //do nothing |
| 664 | break; |
| 665 | } |
| 666 | } |
| 667 | |
| 668 | private void processPortCreation(KubevirtPort kubevirtPort) { |
| 669 | if (!isRelevantHelper()) { |
| 670 | return; |
| 671 | } |
| 672 | |
Daniel Park | cc8e746 | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 673 | KubevirtRouter router = getRouterForKubevirtPort(kubevirtRouterService, kubevirtPort); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 674 | if (router == null) { |
| 675 | return; |
| 676 | } |
| 677 | |
| 678 | KubevirtNode gwNode = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 679 | |
| 680 | if (gwNode != null) { |
| 681 | IpAddress gatewaySnatIp = getRouterSnatIpAddress(kubevirtRouterService, kubevirtPort.networkId()); |
| 682 | if (gatewaySnatIp == null) { |
| 683 | return; |
| 684 | } |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 685 | setStatefulSnatDownStreamRuleForKubevirtPort(router, gwNode, kubevirtPort, true); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 686 | } |
| 687 | } |
| 688 | |
| 689 | private void processPortUpdate(KubevirtPort kubevirtPort) { |
| 690 | if (!isRelevantHelper()) { |
| 691 | return; |
| 692 | } |
| 693 | |
Daniel Park | cc8e746 | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 694 | KubevirtRouter router = getRouterForKubevirtPort(kubevirtRouterService, kubevirtPort); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 695 | if (router == null) { |
| 696 | return; |
| 697 | } |
| 698 | |
| 699 | KubevirtNode gwNode = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 700 | |
| 701 | if (gwNode != null) { |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 702 | setStatefulSnatDownStreamRuleForKubevirtPort(router, gwNode, kubevirtPort, true); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 703 | } |
| 704 | } |
| 705 | |
| 706 | private void processPortDeletion(KubevirtPort kubevirtPort) { |
| 707 | if (!isRelevantHelper()) { |
| 708 | return; |
| 709 | } |
| 710 | |
Daniel Park | cc8e746 | 2021-03-09 13:37:42 +0900 | [diff] [blame] | 711 | KubevirtRouter router = getRouterForKubevirtPort(kubevirtRouterService, kubevirtPort); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 712 | if (router == null) { |
| 713 | return; |
| 714 | } |
| 715 | |
| 716 | KubevirtNode gwNode = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| 717 | |
| 718 | if (gwNode != null) { |
Daniel Park | e7e3d6a | 2021-03-10 07:49:11 +0900 | [diff] [blame^] | 719 | setStatefulSnatDownStreamRuleForKubevirtPort(router, gwNode, kubevirtPort, false); |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 720 | } |
| 721 | } |
Daniel Park | b9a2202 | 2021-03-04 18:58:47 +0900 | [diff] [blame] | 722 | } |
| 723 | } |