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