Jian Li | 4aa1764 | 2019-01-30 00:01:11 +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 | |
| 18 | import com.google.common.base.Strings; |
| 19 | import org.onlab.packet.Ethernet; |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 20 | import org.onlab.packet.IpPrefix; |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 21 | import org.onosproject.cfg.ComponentConfigService; |
| 22 | import org.onosproject.cfg.ConfigProperty; |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 23 | import org.onosproject.cluster.ClusterService; |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 24 | import org.onosproject.cluster.LeadershipService; |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 25 | import org.onosproject.cluster.NodeId; |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 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; |
| 33 | import org.onosproject.k8snetworking.api.K8sPort; |
| 34 | import org.onosproject.k8snode.api.K8sNode; |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 35 | import org.onosproject.k8snode.api.K8sNodeEvent; |
| 36 | import org.onosproject.k8snode.api.K8sNodeListener; |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 37 | import org.onosproject.k8snode.api.K8sNodeService; |
| 38 | import org.onosproject.mastership.MastershipService; |
Jian Li | 4b5048a | 2020-10-08 02:57:45 +0900 | [diff] [blame] | 39 | import org.onosproject.net.DeviceId; |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +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; |
| 47 | import org.osgi.service.component.annotations.Activate; |
| 48 | import org.osgi.service.component.annotations.Component; |
| 49 | import org.osgi.service.component.annotations.Deactivate; |
| 50 | import org.osgi.service.component.annotations.Reference; |
| 51 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 52 | import org.slf4j.Logger; |
| 53 | |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 54 | import java.util.Objects; |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 55 | import java.util.Set; |
| 56 | import java.util.concurrent.ExecutorService; |
| 57 | |
| 58 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 59 | import static org.onlab.util.Tools.groupedThreads; |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 60 | import static org.onosproject.k8snetworking.api.Constants.ARP_BROADCAST_MODE; |
| 61 | import static org.onosproject.k8snetworking.api.Constants.ARP_TABLE; |
| 62 | import static org.onosproject.k8snetworking.api.Constants.FORWARDING_TABLE; |
Jian Li | e1a5b8f | 2019-07-23 17:13:19 +0900 | [diff] [blame] | 63 | import static org.onosproject.k8snetworking.api.Constants.JUMP_TABLE; |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 64 | import static org.onosproject.k8snetworking.api.Constants.K8S_NETWORKING_APP_ID; |
Jian Li | 619fa28 | 2020-09-02 14:45:35 +0900 | [diff] [blame] | 65 | import static org.onosproject.k8snetworking.api.Constants.PRIORITY_DEFAULT_RULE; |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 66 | import static org.onosproject.k8snetworking.api.Constants.PRIORITY_SWITCHING_RULE; |
| 67 | import static org.onosproject.k8snetworking.api.Constants.PRIORITY_TUNNEL_TAG_RULE; |
Jian Li | 619fa28 | 2020-09-02 14:45:35 +0900 | [diff] [blame] | 68 | import static org.onosproject.k8snetworking.api.Constants.TUN_ENTRY_TABLE; |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 69 | import static org.onosproject.k8snetworking.api.Constants.VTAG_TABLE; |
Jian Li | 732c342 | 2020-09-07 17:01:11 +0900 | [diff] [blame] | 70 | import static org.onosproject.k8snetworking.api.K8sNetwork.Type.GENEVE; |
| 71 | import static org.onosproject.k8snetworking.api.K8sNetwork.Type.GRE; |
| 72 | import static org.onosproject.k8snetworking.api.K8sNetwork.Type.VXLAN; |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 73 | import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.getPropertyValue; |
| 74 | import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.tunnelPortNumByNetId; |
Jian Li | 732c342 | 2020-09-07 17:01:11 +0900 | [diff] [blame] | 75 | import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.tunnelPortNumByNetType; |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 76 | import static org.onosproject.k8snetworking.util.RulePopulatorUtil.buildExtension; |
| 77 | import static org.slf4j.LoggerFactory.getLogger; |
| 78 | |
| 79 | /** |
| 80 | * Populates switching flow rules on OVS for the basic connectivity among the |
| 81 | * container in the same network. |
| 82 | */ |
| 83 | @Component(immediate = true) |
| 84 | public class K8sSwitchingHandler { |
| 85 | |
| 86 | private final Logger log = getLogger(getClass()); |
| 87 | |
| 88 | private static final String ARP_MODE = "arpMode"; |
| 89 | private static final String ERR_SET_FLOWS_VNI = "Failed to set flows for " + |
| 90 | "%s: Failed to get VNI for %s"; |
| 91 | private static final String STR_NONE = "<none>"; |
| 92 | |
| 93 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 94 | protected CoreService coreService; |
| 95 | |
| 96 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 97 | protected MastershipService mastershipService; |
| 98 | |
| 99 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 100 | protected ClusterService clusterService; |
| 101 | |
| 102 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 103 | protected DeviceService deviceService; |
| 104 | |
| 105 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 106 | protected DriverService driverService; |
| 107 | |
| 108 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 109 | protected ComponentConfigService configService; |
| 110 | |
| 111 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 112 | protected LeadershipService leadershipService; |
| 113 | |
| 114 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 115 | protected K8sFlowRuleService k8sFlowRuleService; |
| 116 | |
| 117 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 118 | protected K8sNetworkService k8sNetworkService; |
| 119 | |
| 120 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 121 | protected K8sNodeService k8sNodeService; |
| 122 | |
| 123 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 124 | groupedThreads(this.getClass().getSimpleName(), "event-handler")); |
| 125 | private final InternalK8sNetworkListener k8sNetworkListener = |
| 126 | new InternalK8sNetworkListener(); |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 127 | private final InternalK8sNodeListener k8sNodeListener = |
| 128 | new InternalK8sNodeListener(); |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 129 | |
| 130 | private ApplicationId appId; |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 131 | private NodeId localNodeId; |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 132 | |
| 133 | @Activate |
| 134 | protected void activate() { |
| 135 | appId = coreService.registerApplication(K8S_NETWORKING_APP_ID); |
| 136 | k8sNetworkService.addListener(k8sNetworkListener); |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 137 | localNodeId = clusterService.getLocalNode().id(); |
| 138 | k8sNodeService.addListener(k8sNodeListener); |
| 139 | leadershipService.runForLeadership(appId.name()); |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 140 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 141 | setGatewayRulesForTunnel(true); |
| 142 | |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 143 | log.info("Started"); |
| 144 | } |
| 145 | |
| 146 | @Deactivate |
| 147 | protected void deactivate() { |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 148 | leadershipService.withdraw(appId.name()); |
| 149 | k8sNodeService.removeListener(k8sNodeListener); |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 150 | k8sNetworkService.removeListener(k8sNetworkListener); |
| 151 | eventExecutor.shutdown(); |
| 152 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 153 | setGatewayRulesForTunnel(false); |
| 154 | |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 155 | log.info("Stopped"); |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * Configures the flow rules which are used for L2 packet switching. |
Jian Li | 619fa28 | 2020-09-02 14:45:35 +0900 | [diff] [blame] | 160 | * Note that these rules will be inserted in switching table (table 80). |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 161 | * |
| 162 | * @param port kubernetes port object |
| 163 | * @param install install flag, add the rule if true, remove it otherwise |
| 164 | */ |
| 165 | private void setForwardingRulesForTunnel(K8sPort port, boolean install) { |
| 166 | // switching rules for the instPorts in the same node |
| 167 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 168 | // TODO: need to handle IPv6 in near future |
| 169 | .matchEthType(Ethernet.TYPE_IPV4) |
| 170 | .matchIPDst(port.ipAddress().toIpPrefix()) |
Jian Li | 619fa28 | 2020-09-02 14:45:35 +0900 | [diff] [blame] | 171 | // .matchTunnelId(getVni(port)) |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 172 | .build(); |
| 173 | |
| 174 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 175 | .setEthDst(port.macAddress()) |
| 176 | .setOutput(port.portNumber()) |
| 177 | .build(); |
| 178 | |
| 179 | k8sFlowRuleService.setRule( |
| 180 | appId, |
| 181 | port.deviceId(), |
| 182 | selector, |
| 183 | treatment, |
| 184 | PRIORITY_SWITCHING_RULE, |
| 185 | FORWARDING_TABLE, |
| 186 | install); |
| 187 | |
| 188 | // switching rules for the node in the remote node |
| 189 | K8sNode localNode = k8sNodeService.node(port.deviceId()); |
| 190 | if (localNode == null) { |
| 191 | final String error = String.format("Cannot find kubernetes node for %s", |
| 192 | port.deviceId()); |
| 193 | throw new IllegalStateException(error); |
| 194 | } |
| 195 | k8sNodeService.completeNodes().stream() |
| 196 | .filter(remoteNode -> !remoteNode.intgBridge().equals(localNode.intgBridge())) |
| 197 | .forEach(remoteNode -> { |
Jian Li | 619fa28 | 2020-09-02 14:45:35 +0900 | [diff] [blame] | 198 | TrafficTreatment treatmentToTunnel = DefaultTrafficTreatment.builder() |
| 199 | .setOutput(remoteNode.intgToTunPortNum()) |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 200 | .build(); |
| 201 | |
| 202 | k8sFlowRuleService.setRule( |
| 203 | appId, |
| 204 | remoteNode.intgBridge(), |
| 205 | selector, |
Jian Li | 619fa28 | 2020-09-02 14:45:35 +0900 | [diff] [blame] | 206 | treatmentToTunnel, |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 207 | PRIORITY_SWITCHING_RULE, |
| 208 | FORWARDING_TABLE, |
| 209 | install); |
Jian Li | 619fa28 | 2020-09-02 14:45:35 +0900 | [diff] [blame] | 210 | |
| 211 | PortNumber portNum = tunnelPortNumByNetId(port.networkId(), |
| 212 | k8sNetworkService, remoteNode); |
| 213 | |
| 214 | TrafficTreatment treatmentToRemote = DefaultTrafficTreatment.builder() |
| 215 | .extension(buildExtension( |
| 216 | deviceService, |
| 217 | remoteNode.tunBridge(), |
| 218 | localNode.dataIp().getIp4Address()), |
| 219 | remoteNode.tunBridge()) |
| 220 | .setTunnelId(getVni(port)) |
| 221 | .setOutput(portNum) |
| 222 | .build(); |
| 223 | |
| 224 | k8sFlowRuleService.setRule( |
| 225 | appId, |
| 226 | remoteNode.tunBridge(), |
| 227 | selector, |
| 228 | treatmentToRemote, |
| 229 | PRIORITY_DEFAULT_RULE, |
| 230 | TUN_ENTRY_TABLE, |
| 231 | install); |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 232 | }); |
| 233 | } |
| 234 | |
Jian Li | 619fa28 | 2020-09-02 14:45:35 +0900 | [diff] [blame] | 235 | private void setRulesForTunnelBridge(K8sNode node, boolean install) { |
Jian Li | 732c342 | 2020-09-07 17:01:11 +0900 | [diff] [blame] | 236 | setRulesForTunnelBridgeByType(node, VXLAN, install); |
| 237 | setRulesForTunnelBridgeByType(node, GRE, install); |
| 238 | setRulesForTunnelBridgeByType(node, GENEVE, install); |
Jian Li | 619fa28 | 2020-09-02 14:45:35 +0900 | [diff] [blame] | 239 | } |
| 240 | |
| 241 | private void setRulesForTunnelBridgeByType(K8sNode node, K8sNetwork.Type type, boolean install) { |
| 242 | |
| 243 | PortNumber portNum; |
| 244 | |
| 245 | switch (type) { |
| 246 | case VXLAN: |
Jian Li | 732c342 | 2020-09-07 17:01:11 +0900 | [diff] [blame] | 247 | portNum = tunnelPortNumByNetType(VXLAN, node); |
Jian Li | 619fa28 | 2020-09-02 14:45:35 +0900 | [diff] [blame] | 248 | break; |
| 249 | case GRE: |
Jian Li | 732c342 | 2020-09-07 17:01:11 +0900 | [diff] [blame] | 250 | portNum = tunnelPortNumByNetType(GRE, node); |
Jian Li | 619fa28 | 2020-09-02 14:45:35 +0900 | [diff] [blame] | 251 | break; |
| 252 | case GENEVE: |
Jian Li | 732c342 | 2020-09-07 17:01:11 +0900 | [diff] [blame] | 253 | portNum = tunnelPortNumByNetType(GENEVE, node); |
Jian Li | 619fa28 | 2020-09-02 14:45:35 +0900 | [diff] [blame] | 254 | break; |
| 255 | default: |
| 256 | return; |
| 257 | } |
| 258 | |
| 259 | TrafficSelector inboundSelector = DefaultTrafficSelector.builder() |
| 260 | .matchInPort(portNum) |
| 261 | .build(); |
| 262 | |
| 263 | TrafficTreatment inboundTreatment = DefaultTrafficTreatment.builder() |
| 264 | .setOutput(node.tunToIntgPortNum()) |
| 265 | .build(); |
| 266 | |
| 267 | k8sFlowRuleService.setRule( |
| 268 | appId, |
| 269 | node.tunBridge(), |
| 270 | inboundSelector, |
| 271 | inboundTreatment, |
| 272 | PRIORITY_DEFAULT_RULE, |
| 273 | TUN_ENTRY_TABLE, |
| 274 | install); |
| 275 | } |
| 276 | |
| 277 | |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 278 | private void setTunnelTagArpFlowRules(K8sPort port, boolean install) { |
| 279 | setTunnelTagFlowRules(port, Ethernet.TYPE_ARP, install); |
| 280 | } |
| 281 | |
| 282 | private void setTunnelTagIpFlowRules(K8sPort port, boolean install) { |
| 283 | setTunnelTagFlowRules(port, Ethernet.TYPE_IPV4, install); |
| 284 | } |
| 285 | |
| 286 | private void setNetworkRulesForTunnel(K8sPort port, boolean install) { |
| 287 | setTunnelTagIpFlowRules(port, install); |
| 288 | setForwardingRulesForTunnel(port, install); |
| 289 | |
| 290 | if (ARP_BROADCAST_MODE.equals(getArpMode())) { |
| 291 | setTunnelTagArpFlowRules(port, install); |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | /** |
| 296 | * Configures the flow rule which is for using VXLAN/GRE/GENEVE to tag the packet |
| 297 | * based on the in_port number of a virtual instance. |
| 298 | * Note that this rule will be inserted in vTag table. |
| 299 | * |
| 300 | * @param port kubernetes port object |
| 301 | * @param install install flag, add the rule if true, remove it otherwise |
| 302 | */ |
| 303 | private void setTunnelTagFlowRules(K8sPort port, short ethType, boolean install) { |
| 304 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 305 | .matchEthType(ethType) |
| 306 | .matchInPort(port.portNumber()) |
| 307 | .build(); |
| 308 | |
| 309 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 310 | .setTunnelId(getVni(port)); |
| 311 | |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 312 | if (ethType == Ethernet.TYPE_ARP) { |
| 313 | tBuilder.transition(ARP_TABLE); |
| 314 | } else if (ethType == Ethernet.TYPE_IPV4) { |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 315 | tBuilder.transition(JUMP_TABLE); |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 316 | } |
| 317 | |
| 318 | k8sFlowRuleService.setRule( |
| 319 | appId, |
| 320 | port.deviceId(), |
| 321 | selector, |
| 322 | tBuilder.build(), |
| 323 | PRIORITY_TUNNEL_TAG_RULE, |
| 324 | VTAG_TABLE, |
| 325 | install); |
| 326 | } |
| 327 | |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 328 | private void setExtToIntgTunnelTagFlowRules(K8sNode k8sNode, boolean install) { |
| 329 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 330 | .matchEthType(Ethernet.TYPE_IPV4) |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 331 | .matchInPort(k8sNode.intgToExtPatchPortNum()) |
| 332 | .build(); |
| 333 | |
| 334 | K8sNetwork net = k8sNetworkService.network(k8sNode.hostname()); |
| 335 | |
| 336 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 337 | .setTunnelId(Long.valueOf(net.segmentId())) |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 338 | .transition(JUMP_TABLE); |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 339 | |
| 340 | k8sFlowRuleService.setRule( |
| 341 | appId, |
| 342 | k8sNode.intgBridge(), |
| 343 | selector, |
| 344 | tBuilder.build(), |
| 345 | PRIORITY_TUNNEL_TAG_RULE, |
| 346 | VTAG_TABLE, |
| 347 | install); |
| 348 | } |
| 349 | |
| 350 | private void setLocalTunnelTagFlowRules(K8sNode k8sNode, boolean install) { |
| 351 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 352 | .matchEthType(Ethernet.TYPE_IPV4) |
Jian Li | 019ce6a | 2020-09-09 10:23:21 +0900 | [diff] [blame] | 353 | .matchInPort(k8sNode.intgEntryPortNum()) |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 354 | .build(); |
| 355 | |
| 356 | K8sNetwork net = k8sNetworkService.network(k8sNode.hostname()); |
| 357 | |
| 358 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 359 | .setTunnelId(Long.valueOf(net.segmentId())) |
Jian Li | 73d3b6a | 2019-07-08 18:07:53 +0900 | [diff] [blame] | 360 | .transition(JUMP_TABLE); |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 361 | |
| 362 | k8sFlowRuleService.setRule( |
| 363 | appId, |
| 364 | k8sNode.intgBridge(), |
| 365 | selector, |
| 366 | tBuilder.build(), |
| 367 | PRIORITY_TUNNEL_TAG_RULE, |
| 368 | VTAG_TABLE, |
| 369 | install); |
| 370 | } |
| 371 | |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 372 | private void setGatewayRulesForTunnel(boolean install) { |
| 373 | k8sNetworkService.networks().forEach(n -> { |
| 374 | // switching rules for the instPorts in the same node |
| 375 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 376 | // TODO: need to handle IPv6 in near future |
| 377 | .matchEthType(Ethernet.TYPE_IPV4) |
| 378 | .matchIPDst(IpPrefix.valueOf(n.gatewayIp(), 32)) |
| 379 | .matchTunnelId(Long.valueOf(n.segmentId())) |
| 380 | .build(); |
| 381 | |
| 382 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 383 | .setOutput(PortNumber.LOCAL) |
| 384 | .build(); |
| 385 | |
| 386 | // FIXME: need to find a way to install the gateway rules into |
| 387 | // right OVS |
| 388 | k8sNodeService.completeNodes().forEach(node -> { |
| 389 | k8sFlowRuleService.setRule( |
| 390 | appId, |
| 391 | node.intgBridge(), |
| 392 | selector, |
| 393 | treatment, |
| 394 | PRIORITY_SWITCHING_RULE, |
| 395 | FORWARDING_TABLE, |
| 396 | install); |
| 397 | }); |
| 398 | }); |
| 399 | } |
| 400 | |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 401 | /** |
| 402 | * Obtains the VNI from the given kubernetes port. |
| 403 | * |
| 404 | * @param port kubernetes port object |
| 405 | * @return Virtual Network Identifier (VNI) |
| 406 | */ |
| 407 | private Long getVni(K8sPort port) { |
| 408 | K8sNetwork k8sNet = k8sNetworkService.network(port.networkId()); |
| 409 | if (k8sNet == null || Strings.isNullOrEmpty(k8sNet.segmentId())) { |
| 410 | final String error = |
| 411 | String.format(ERR_SET_FLOWS_VNI, |
| 412 | port, k8sNet == null ? STR_NONE : k8sNet.name()); |
| 413 | throw new IllegalStateException(error); |
| 414 | } |
| 415 | return Long.valueOf(k8sNet.segmentId()); |
| 416 | } |
| 417 | |
| 418 | private void setNetworkRules(K8sPort port, boolean install) { |
| 419 | K8sNetwork k8sNet = k8sNetworkService.network(port.networkId()); |
| 420 | |
| 421 | if (k8sNet == null) { |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 422 | log.warn("Network {} is not found from port {}.", |
| 423 | port.networkId(), port.portId()); |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 424 | return; |
| 425 | } |
| 426 | |
| 427 | switch (k8sNet.type()) { |
| 428 | case VXLAN: |
| 429 | case GRE: |
| 430 | case GENEVE: |
| 431 | setNetworkRulesForTunnel(port, install); |
| 432 | break; |
| 433 | default: |
Jian Li | 2cc2b63 | 2019-02-18 00:56:40 +0900 | [diff] [blame] | 434 | log.warn("The given network type {} is not supported.", |
| 435 | k8sNet.type().name()); |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 436 | break; |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | private String getArpMode() { |
| 441 | Set<ConfigProperty> properties = |
| 442 | configService.getProperties(K8sSwitchingArpHandler.class.getName()); |
| 443 | return getPropertyValue(properties, ARP_MODE); |
| 444 | } |
| 445 | |
| 446 | private class InternalK8sNetworkListener implements K8sNetworkListener { |
| 447 | |
| 448 | private boolean isRelevantHelper(K8sNetworkEvent event) { |
Jian Li | 4b5048a | 2020-10-08 02:57:45 +0900 | [diff] [blame] | 449 | DeviceId deviceId = event.port().deviceId(); |
| 450 | if (deviceId == null) { |
| 451 | return false; |
| 452 | } else { |
| 453 | return mastershipService.isLocalMaster(deviceId); |
| 454 | } |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 455 | } |
| 456 | |
| 457 | @Override |
| 458 | public void event(K8sNetworkEvent event) { |
| 459 | switch (event.type()) { |
| 460 | case K8S_PORT_ACTIVATED: |
| 461 | eventExecutor.execute(() -> processInstanceDetection(event)); |
| 462 | break; |
| 463 | case K8S_PORT_REMOVED: |
| 464 | eventExecutor.execute(() -> processInstanceRemoval(event)); |
| 465 | break; |
| 466 | default: |
| 467 | break; |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | private void processInstanceDetection(K8sNetworkEvent event) { |
| 472 | if (!isRelevantHelper(event)) { |
| 473 | return; |
| 474 | } |
| 475 | |
| 476 | setNetworkRules(event.port(), true); |
| 477 | } |
| 478 | |
| 479 | private void processInstanceRemoval(K8sNetworkEvent event) { |
| 480 | if (!isRelevantHelper(event)) { |
| 481 | return; |
| 482 | } |
| 483 | |
| 484 | setNetworkRules(event.port(), false); |
| 485 | } |
| 486 | } |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 487 | |
| 488 | private class InternalK8sNodeListener implements K8sNodeListener { |
| 489 | |
| 490 | private boolean isRelevantHelper() { |
| 491 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 492 | } |
| 493 | |
| 494 | @Override |
| 495 | public void event(K8sNodeEvent event) { |
| 496 | switch (event.type()) { |
| 497 | case K8S_NODE_COMPLETE: |
| 498 | eventExecutor.execute(() -> processNodeCompletion(event.subject())); |
| 499 | break; |
Jian Li | dc1df64 | 2020-11-25 16:49:34 +0900 | [diff] [blame^] | 500 | case K8S_NODE_OFF_BOARDED: |
| 501 | eventExecutor.execute(() -> processNodeOffboard(event.subject())); |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 502 | default: |
| 503 | break; |
| 504 | } |
| 505 | } |
| 506 | |
| 507 | private void processNodeCompletion(K8sNode k8sNode) { |
| 508 | if (!isRelevantHelper()) { |
| 509 | return; |
| 510 | } |
| 511 | |
| 512 | setExtToIntgTunnelTagFlowRules(k8sNode, true); |
| 513 | setLocalTunnelTagFlowRules(k8sNode, true); |
Jian Li | 619fa28 | 2020-09-02 14:45:35 +0900 | [diff] [blame] | 514 | setRulesForTunnelBridge(k8sNode, true); |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 515 | } |
Jian Li | dc1df64 | 2020-11-25 16:49:34 +0900 | [diff] [blame^] | 516 | |
| 517 | private void processNodeOffboard(K8sNode k8sNode) { |
| 518 | if (!isRelevantHelper()) { |
| 519 | return; |
| 520 | } |
| 521 | |
| 522 | setRulesForTunnelBridge(k8sNode, false); |
| 523 | } |
Jian Li | eb488ea | 2019-04-16 01:50:02 +0900 | [diff] [blame] | 524 | } |
Jian Li | 4aa1764 | 2019-01-30 00:01:11 +0900 | [diff] [blame] | 525 | } |