Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2019-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.k8snetworking.impl; |
| 17 | |
Jian Li | c9d0d70 | 2020-10-07 11:50:58 +0900 | [diff] [blame] | 18 | import org.apache.commons.lang.StringUtils; |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 19 | import org.onlab.packet.ARP; |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 20 | import org.onlab.packet.Ethernet; |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 21 | import org.onlab.packet.Ip4Address; |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 22 | import org.onlab.packet.IpPrefix; |
| 23 | import org.onosproject.cluster.ClusterService; |
| 24 | import org.onosproject.cluster.LeadershipService; |
| 25 | import org.onosproject.cluster.NodeId; |
| 26 | import org.onosproject.core.ApplicationId; |
| 27 | import org.onosproject.core.CoreService; |
| 28 | import org.onosproject.k8snetworking.api.K8sFlowRuleService; |
| 29 | import org.onosproject.k8snetworking.api.K8sNetwork; |
| 30 | import org.onosproject.k8snetworking.api.K8sNetworkEvent; |
| 31 | import org.onosproject.k8snetworking.api.K8sNetworkListener; |
| 32 | import org.onosproject.k8snetworking.api.K8sNetworkService; |
Jian Li | c9d0d70 | 2020-10-07 11:50:58 +0900 | [diff] [blame] | 33 | import org.onosproject.k8snode.api.K8sHost; |
| 34 | import org.onosproject.k8snode.api.K8sHostService; |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 35 | import org.onosproject.k8snode.api.K8sNode; |
| 36 | import org.onosproject.k8snode.api.K8sNodeEvent; |
| 37 | import org.onosproject.k8snode.api.K8sNodeListener; |
| 38 | import org.onosproject.k8snode.api.K8sNodeService; |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 39 | import org.onosproject.net.Device; |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 40 | import org.onosproject.net.PortNumber; |
| 41 | import org.onosproject.net.device.DeviceService; |
| 42 | import org.onosproject.net.driver.DriverService; |
| 43 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 44 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 45 | import org.onosproject.net.flow.TrafficSelector; |
| 46 | import org.onosproject.net.flow.TrafficTreatment; |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 47 | import org.onosproject.net.flow.instructions.ExtensionTreatment; |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 48 | import org.onosproject.net.packet.PacketService; |
| 49 | import org.osgi.service.component.annotations.Activate; |
| 50 | import org.osgi.service.component.annotations.Component; |
| 51 | import org.osgi.service.component.annotations.Deactivate; |
| 52 | import org.osgi.service.component.annotations.Reference; |
| 53 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 54 | import org.slf4j.Logger; |
| 55 | |
| 56 | import java.util.Objects; |
Jian Li | c9d0d70 | 2020-10-07 11:50:58 +0900 | [diff] [blame] | 57 | import java.util.Set; |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 58 | import java.util.concurrent.ExecutorService; |
| 59 | |
| 60 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 61 | import static org.onlab.util.Tools.groupedThreads; |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 62 | import static org.onosproject.k8snetworking.api.Constants.B_CLASS; |
| 63 | import static org.onosproject.k8snetworking.api.Constants.DST; |
| 64 | import static org.onosproject.k8snetworking.api.Constants.HOST_PREFIX; |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 65 | import static org.onosproject.k8snetworking.api.Constants.K8S_NETWORKING_APP_ID; |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 66 | import static org.onosproject.k8snetworking.api.Constants.LOCAL_ENTRY_TABLE; |
Jian Li | 6d2ffbf | 2020-11-04 15:58:18 +0900 | [diff] [blame] | 67 | import static org.onosproject.k8snetworking.api.Constants.NODE_IP_PREFIX; |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 68 | import static org.onosproject.k8snetworking.api.Constants.PRIORITY_ARP_REPLY_RULE; |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 69 | import static org.onosproject.k8snetworking.api.Constants.PRIORITY_GATEWAY_RULE; |
Jian Li | c9d0d70 | 2020-10-07 11:50:58 +0900 | [diff] [blame] | 70 | import static org.onosproject.k8snetworking.api.Constants.PRIORITY_INTER_NODE_RULE; |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 71 | import static org.onosproject.k8snetworking.api.Constants.PRIORITY_LOCAL_BRIDGE_RULE; |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 72 | import static org.onosproject.k8snetworking.api.Constants.ROUTING_TABLE; |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 73 | import static org.onosproject.k8snetworking.api.Constants.SHIFTED_IP_PREFIX; |
| 74 | import static org.onosproject.k8snetworking.api.Constants.SHIFTED_LOCAL_IP_PREFIX; |
| 75 | import static org.onosproject.k8snetworking.api.Constants.SRC; |
Jian Li | 619fa28 | 2020-09-02 14:45:35 +0900 | [diff] [blame] | 76 | import static org.onosproject.k8snetworking.api.Constants.TUN_ENTRY_TABLE; |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 77 | import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.shiftIpDomain; |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 78 | import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.tunnelPortNumByNetId; |
| 79 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.buildExtension; |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 80 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.buildLoadExtension; |
| 81 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.buildMoveArpShaToThaExtension; |
| 82 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.buildMoveArpSpaToTpaExtension; |
| 83 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.buildMoveEthSrcToDstExtension; |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 84 | import static org.slf4j.LoggerFactory.getLogger; |
| 85 | |
| 86 | /** |
| 87 | * Populates switching flow rules on OVS for providing the connectivity between |
| 88 | * container and network gateway. |
| 89 | */ |
| 90 | @Component(immediate = true) |
| 91 | public class K8sSwitchingGatewayHandler { |
| 92 | |
| 93 | private final Logger log = getLogger(getClass()); |
| 94 | |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 95 | private static final String REQUEST = "req"; |
| 96 | private static final String REPLY = "rep"; |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 97 | |
| 98 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 99 | protected CoreService coreService; |
| 100 | |
| 101 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 102 | protected ClusterService clusterService; |
| 103 | |
| 104 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 105 | protected LeadershipService leadershipService; |
| 106 | |
| 107 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 108 | protected DeviceService deviceService; |
| 109 | |
| 110 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 111 | protected DriverService driverService; |
| 112 | |
| 113 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 114 | protected PacketService packetService; |
| 115 | |
| 116 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 117 | protected K8sFlowRuleService k8sFlowRuleService; |
| 118 | |
| 119 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 120 | protected K8sNetworkService k8sNetworkService; |
| 121 | |
| 122 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 123 | protected K8sNodeService k8sNodeService; |
| 124 | |
Jian Li | c9d0d70 | 2020-10-07 11:50:58 +0900 | [diff] [blame] | 125 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 126 | protected K8sHostService k8sHostService; |
| 127 | |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 128 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 129 | groupedThreads(this.getClass().getSimpleName(), "event-handler")); |
| 130 | private final InternalK8sNetworkListener k8sNetworkListener = |
| 131 | new InternalK8sNetworkListener(); |
| 132 | private final InternalK8sNodeListener k8sNodeListener = |
| 133 | new InternalK8sNodeListener(); |
| 134 | |
| 135 | private ApplicationId appId; |
| 136 | private NodeId localNodeId; |
| 137 | |
| 138 | @Activate |
| 139 | protected void activate() { |
| 140 | appId = coreService.registerApplication(K8S_NETWORKING_APP_ID); |
| 141 | k8sNetworkService.addListener(k8sNetworkListener); |
| 142 | k8sNodeService.addListener(k8sNodeListener); |
| 143 | localNodeId = clusterService.getLocalNode().id(); |
| 144 | leadershipService.runForLeadership(appId.name()); |
| 145 | |
| 146 | log.info("Started"); |
| 147 | } |
| 148 | |
| 149 | @Deactivate |
| 150 | protected void deactivate() { |
| 151 | k8sNodeService.removeListener(k8sNodeListener); |
| 152 | k8sNetworkService.removeListener(k8sNetworkListener); |
| 153 | leadershipService.withdraw(appId.name()); |
| 154 | eventExecutor.shutdown(); |
| 155 | |
| 156 | log.info("Stopped"); |
| 157 | } |
| 158 | |
| 159 | private void setGatewayRule(K8sNetwork k8sNetwork, boolean install) { |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 160 | for (K8sNode node : k8sNodeService.completeNodes()) { |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 161 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 162 | .matchEthType(Ethernet.TYPE_IPV4) |
| 163 | .matchIPDst(IpPrefix.valueOf(k8sNetwork.gatewayIp(), |
| 164 | HOST_PREFIX)); |
| 165 | |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 166 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 167 | |
| 168 | if (node.hostname().equals(k8sNetwork.name())) { |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 169 | tBuilder.setEthDst(node.intgBridgeMac()) |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 170 | .setOutput(node.intgEntryPortNum()); |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 171 | } else { |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 172 | K8sNode localNode = k8sNodeService.node(k8sNetwork.name()); |
| 173 | |
Jian Li | 619fa28 | 2020-09-02 14:45:35 +0900 | [diff] [blame] | 174 | tBuilder.setOutput(node.intgToTunPortNum()); |
| 175 | |
| 176 | // install flows into tunnel bridge |
| 177 | PortNumber portNum = tunnelPortNumByNetId(k8sNetwork.networkId(), |
| 178 | k8sNetworkService, node); |
| 179 | TrafficTreatment treatmentToRemote = DefaultTrafficTreatment.builder() |
| 180 | .extension(buildExtension( |
| 181 | deviceService, |
| 182 | node.tunBridge(), |
| 183 | localNode.dataIp().getIp4Address()), |
| 184 | node.tunBridge()) |
| 185 | .setTunnelId(Long.valueOf(k8sNetwork.segmentId())) |
| 186 | .setOutput(portNum) |
| 187 | .build(); |
| 188 | |
| 189 | k8sFlowRuleService.setRule( |
| 190 | appId, |
| 191 | node.tunBridge(), |
| 192 | sBuilder.build(), |
| 193 | treatmentToRemote, |
| 194 | PRIORITY_GATEWAY_RULE, |
| 195 | TUN_ENTRY_TABLE, |
| 196 | install); |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 197 | } |
| 198 | |
| 199 | k8sFlowRuleService.setRule( |
| 200 | appId, |
| 201 | node.intgBridge(), |
| 202 | sBuilder.build(), |
| 203 | tBuilder.build(), |
| 204 | PRIORITY_GATEWAY_RULE, |
| 205 | ROUTING_TABLE, |
| 206 | install); |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 207 | |
| 208 | if (node.hostname().equals(k8sNetwork.name())) { |
| 209 | sBuilder = DefaultTrafficSelector.builder() |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 210 | .matchInPort(node.intgEntryPortNum()) |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 211 | .matchEthType(Ethernet.TYPE_IPV4) |
| 212 | .matchIPDst(IpPrefix.valueOf(k8sNetwork.gatewayIp(), |
| 213 | HOST_PREFIX)); |
| 214 | |
| 215 | tBuilder = DefaultTrafficTreatment.builder() |
| 216 | .setOutput(node.intgToLocalPatchPortNum()); |
| 217 | |
| 218 | k8sFlowRuleService.setRule( |
| 219 | appId, |
| 220 | node.intgBridge(), |
| 221 | sBuilder.build(), |
| 222 | tBuilder.build(), |
| 223 | PRIORITY_LOCAL_BRIDGE_RULE, |
| 224 | ROUTING_TABLE, |
| 225 | install); |
| 226 | } |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 227 | } |
| 228 | } |
| 229 | |
Jian Li | dc1df64 | 2020-11-25 16:49:34 +0900 | [diff] [blame] | 230 | private void setInterNodeRoutingRules(K8sNode srcNode, boolean install) { |
Jian Li | c9d0d70 | 2020-10-07 11:50:58 +0900 | [diff] [blame] | 231 | if (srcNode == null) { |
| 232 | return; |
| 233 | } |
| 234 | |
Jian Li | dc1df64 | 2020-11-25 16:49:34 +0900 | [diff] [blame] | 235 | for (K8sNode dstNode : k8sNodeService.nodes()) { |
Jian Li | c9d0d70 | 2020-10-07 11:50:58 +0900 | [diff] [blame] | 236 | if (StringUtils.equals(srcNode.hostname(), dstNode.hostname())) { |
| 237 | continue; |
| 238 | } |
| 239 | |
| 240 | boolean sameHost = false; |
| 241 | for (K8sHost host : k8sHostService.completeHosts()) { |
| 242 | Set<String> nodeNames = host.nodeNames(); |
| 243 | // if the src and dst nodes located in the same hosts, |
| 244 | // we simply do not tunnel the traffic, instead we route the traffic |
| 245 | if (nodeNames.contains(srcNode.hostname()) && |
| 246 | nodeNames.contains(dstNode.hostname())) { |
| 247 | sameHost = true; |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | if (sameHost) { |
Jian Li | 4b5048a | 2020-10-08 02:57:45 +0900 | [diff] [blame] | 252 | TrafficSelector originalSelector = DefaultTrafficSelector.builder() |
Jian Li | c9d0d70 | 2020-10-07 11:50:58 +0900 | [diff] [blame] | 253 | .matchEthType(Ethernet.TYPE_IPV4) |
| 254 | .matchIPSrc(IpPrefix.valueOf(srcNode.podCidr())) |
| 255 | .matchIPDst(IpPrefix.valueOf(dstNode.podCidr())) |
| 256 | .build(); |
| 257 | |
| 258 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 259 | .setOutput(dstNode.tunToIntgPortNum()) |
| 260 | .build(); |
| 261 | |
| 262 | k8sFlowRuleService.setRule( |
| 263 | appId, |
| 264 | dstNode.tunBridge(), |
Jian Li | 4b5048a | 2020-10-08 02:57:45 +0900 | [diff] [blame] | 265 | originalSelector, |
| 266 | treatment, |
| 267 | PRIORITY_INTER_NODE_RULE, |
| 268 | TUN_ENTRY_TABLE, |
| 269 | install); |
| 270 | |
| 271 | TrafficSelector transformedSelector = DefaultTrafficSelector.builder() |
| 272 | .matchEthType(Ethernet.TYPE_IPV4) |
| 273 | .matchIPSrc(IpPrefix.valueOf(shiftIpDomain(srcNode.podCidr(), SHIFTED_IP_PREFIX))) |
| 274 | .matchIPDst(IpPrefix.valueOf(dstNode.podCidr())) |
| 275 | .build(); |
| 276 | |
| 277 | k8sFlowRuleService.setRule( |
| 278 | appId, |
| 279 | dstNode.tunBridge(), |
| 280 | transformedSelector, |
Jian Li | c9d0d70 | 2020-10-07 11:50:58 +0900 | [diff] [blame] | 281 | treatment, |
| 282 | PRIORITY_INTER_NODE_RULE, |
| 283 | TUN_ENTRY_TABLE, |
| 284 | install); |
Jian Li | 6d2ffbf | 2020-11-04 15:58:18 +0900 | [diff] [blame] | 285 | |
| 286 | String nodeIpPrefix = NODE_IP_PREFIX + ".0.0.0/8"; |
| 287 | |
| 288 | TrafficSelector nodePortSelector = DefaultTrafficSelector.builder() |
| 289 | .matchEthType(Ethernet.TYPE_IPV4) |
| 290 | .matchIPSrc(IpPrefix.valueOf(nodeIpPrefix)) |
| 291 | .matchIPDst(IpPrefix.valueOf(dstNode.podCidr())) |
| 292 | .build(); |
| 293 | |
| 294 | k8sFlowRuleService.setRule( |
| 295 | appId, |
| 296 | dstNode.tunBridge(), |
| 297 | nodePortSelector, |
| 298 | treatment, |
| 299 | PRIORITY_INTER_NODE_RULE, |
| 300 | TUN_ENTRY_TABLE, |
| 301 | install); |
Jian Li | c9d0d70 | 2020-10-07 11:50:58 +0900 | [diff] [blame] | 302 | } |
| 303 | } |
| 304 | } |
| 305 | |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 306 | private void setLocalBridgeRules(K8sNetwork k8sNetwork, boolean install) { |
| 307 | for (K8sNode node : k8sNodeService.completeNodes()) { |
| 308 | if (node.hostname().equals(k8sNetwork.name())) { |
| 309 | setLocalBridgeRule(k8sNetwork, node, REQUEST, install); |
| 310 | setLocalBridgeRule(k8sNetwork, node, REPLY, install); |
| 311 | } |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | private void setLocalBridgeRule(K8sNetwork k8sNetwork, K8sNode k8sNode, |
| 316 | String type, boolean install) { |
| 317 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 318 | .matchEthType(Ethernet.TYPE_IPV4); |
| 319 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 320 | |
| 321 | ExtensionTreatment loadTreatment = null; |
| 322 | |
| 323 | if (REQUEST.equals(type)) { |
| 324 | loadTreatment = buildLoadExtension(deviceService.getDevice( |
| 325 | k8sNode.localBridge()), B_CLASS, SRC, SHIFTED_LOCAL_IP_PREFIX); |
| 326 | } |
| 327 | |
| 328 | if (REPLY.equals(type)) { |
| 329 | loadTreatment = buildLoadExtension(deviceService.getDevice( |
| 330 | k8sNode.localBridge()), B_CLASS, DST, SHIFTED_IP_PREFIX); |
| 331 | } |
| 332 | |
| 333 | tBuilder.extension(loadTreatment, k8sNode.localBridge()); |
| 334 | |
| 335 | if (REQUEST.equals(type)) { |
| 336 | sBuilder.matchIPDst(IpPrefix.valueOf(k8sNetwork.gatewayIp(), |
| 337 | HOST_PREFIX)); |
| 338 | tBuilder.setOutput(PortNumber.LOCAL); |
| 339 | } |
| 340 | |
| 341 | if (REPLY.equals(type)) { |
| 342 | sBuilder.matchIPSrc(IpPrefix.valueOf(k8sNetwork.gatewayIp(), |
| 343 | HOST_PREFIX)); |
Jian Li | e2a04ce | 2020-07-01 19:07:02 +0900 | [diff] [blame] | 344 | tBuilder.setOutput(k8sNode.localToIntgPatchPortNum()); |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 345 | } |
| 346 | |
| 347 | k8sFlowRuleService.setRule( |
| 348 | appId, |
| 349 | k8sNode.localBridge(), |
| 350 | sBuilder.build(), |
| 351 | tBuilder.build(), |
| 352 | PRIORITY_LOCAL_BRIDGE_RULE, |
| 353 | LOCAL_ENTRY_TABLE, |
| 354 | install); |
| 355 | } |
| 356 | |
| 357 | private void setLocalBridgeArpRules(K8sNetwork k8sNetwork, boolean install) { |
| 358 | for (K8sNode node : k8sNodeService.completeNodes()) { |
| 359 | if (node.hostname().equals(k8sNetwork.name())) { |
| 360 | setLocalBridgeArpRule(k8sNetwork, node, install); |
| 361 | } |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | private void setLocalBridgeArpRule(K8sNetwork k8sNetwork, K8sNode k8sNode, boolean install) { |
| 366 | Device device = deviceService.getDevice(k8sNode.localBridge()); |
| 367 | |
| 368 | String shiftedLocalIp = shiftIpDomain( |
| 369 | k8sNetwork.gatewayIp().toString(), SHIFTED_LOCAL_IP_PREFIX); |
| 370 | |
| 371 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 372 | .matchEthType(Ethernet.TYPE_ARP) |
| 373 | .matchArpOp(ARP.OP_REQUEST) |
| 374 | .matchArpTpa(Ip4Address.valueOf(shiftedLocalIp)) |
| 375 | .build(); |
| 376 | |
| 377 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 378 | .setArpOp(ARP.OP_REPLY) |
| 379 | .extension(buildMoveEthSrcToDstExtension(device), device.id()) |
| 380 | .extension(buildMoveArpShaToThaExtension(device), device.id()) |
| 381 | .extension(buildMoveArpSpaToTpaExtension(device), device.id()) |
| 382 | .setArpSpa(Ip4Address.valueOf(shiftedLocalIp)) |
| 383 | .setArpSha(k8sNode.intgBridgeMac()) |
| 384 | .setOutput(PortNumber.IN_PORT) |
| 385 | .build(); |
| 386 | |
| 387 | k8sFlowRuleService.setRule( |
| 388 | appId, |
| 389 | device.id(), |
| 390 | selector, |
| 391 | treatment, |
| 392 | PRIORITY_ARP_REPLY_RULE, |
| 393 | LOCAL_ENTRY_TABLE, |
| 394 | install); |
| 395 | } |
| 396 | |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 397 | private class InternalK8sNetworkListener implements K8sNetworkListener { |
| 398 | |
| 399 | private boolean isRelevantHelper() { |
| 400 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 401 | } |
| 402 | |
| 403 | @Override |
| 404 | public void event(K8sNetworkEvent event) { |
| 405 | switch (event.type()) { |
| 406 | case K8S_NETWORK_CREATED: |
| 407 | case K8S_NETWORK_UPDATED: |
| 408 | eventExecutor.execute(() -> processNetworkCreation(event)); |
| 409 | break; |
| 410 | case K8S_NETWORK_REMOVED: |
| 411 | eventExecutor.execute(() -> processNetworkRemoval(event)); |
| 412 | break; |
| 413 | default: |
| 414 | break; |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | private void processNetworkCreation(K8sNetworkEvent event) { |
| 419 | if (!isRelevantHelper()) { |
| 420 | return; |
| 421 | } |
| 422 | |
| 423 | setGatewayRule(event.subject(), true); |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 424 | setLocalBridgeRules(event.subject(), true); |
| 425 | setLocalBridgeArpRules(event.subject(), true); |
Jian Li | dc1df64 | 2020-11-25 16:49:34 +0900 | [diff] [blame] | 426 | |
| 427 | K8sNode k8sNode = k8sNodeService.node(event.subject().networkId()); |
| 428 | setInterNodeRoutingRules(k8sNode, true); |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 429 | } |
| 430 | |
| 431 | private void processNetworkRemoval(K8sNetworkEvent event) { |
| 432 | if (!isRelevantHelper()) { |
| 433 | return; |
| 434 | } |
| 435 | |
| 436 | setGatewayRule(event.subject(), false); |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 437 | setLocalBridgeRules(event.subject(), false); |
| 438 | setLocalBridgeArpRules(event.subject(), false); |
Jian Li | dc1df64 | 2020-11-25 16:49:34 +0900 | [diff] [blame] | 439 | |
| 440 | K8sNode k8sNode = k8sNodeService.node(event.subject().networkId()); |
| 441 | setInterNodeRoutingRules(k8sNode, false); |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 442 | } |
| 443 | } |
| 444 | |
| 445 | private class InternalK8sNodeListener implements K8sNodeListener { |
| 446 | private boolean isRelevantHelper() { |
| 447 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 448 | } |
| 449 | |
| 450 | @Override |
| 451 | public void event(K8sNodeEvent event) { |
| 452 | switch (event.type()) { |
| 453 | case K8S_NODE_COMPLETE: |
| 454 | eventExecutor.execute(() -> processNodeCompletion(event.subject())); |
| 455 | break; |
| 456 | case K8S_NODE_INCOMPLETE: |
| 457 | default: |
| 458 | break; |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | private void processNodeCompletion(K8sNode node) { |
| 463 | log.info("COMPLETE node {} is detected", node.hostname()); |
| 464 | |
| 465 | if (!isRelevantHelper()) { |
| 466 | return; |
| 467 | } |
| 468 | |
| 469 | k8sNetworkService.networks().forEach(n -> setGatewayRule(n, true)); |
Jian Li | 1a2eb5d | 2019-08-27 02:07:05 +0900 | [diff] [blame] | 470 | k8sNetworkService.networks().forEach(n -> setLocalBridgeRules(n, true)); |
| 471 | k8sNetworkService.networks().forEach(n -> setLocalBridgeArpRules(n, true)); |
Jian Li | dc1df64 | 2020-11-25 16:49:34 +0900 | [diff] [blame] | 472 | |
| 473 | setInterNodeRoutingRules(node, true); |
| 474 | } |
Jian Li | 7d111d7 | 2019-04-12 13:58:44 +0900 | [diff] [blame] | 475 | } |
| 476 | } |