Jian Li | 556709c | 2021-02-03 17:54:28 +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 com.google.common.collect.Lists; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 19 | import org.onlab.packet.ARP; |
| 20 | import org.onlab.packet.EthType; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 21 | import org.onlab.packet.Ethernet; |
| 22 | import org.onlab.packet.IPv4; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 23 | import org.onlab.packet.Ip4Address; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 24 | import org.onlab.packet.IpAddress; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 25 | import org.onlab.packet.IpPrefix; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 26 | import org.onlab.packet.TpPort; |
| 27 | import org.onlab.packet.UDP; |
| 28 | import org.onosproject.cluster.ClusterService; |
| 29 | import org.onosproject.cluster.LeadershipService; |
| 30 | import org.onosproject.cluster.NodeId; |
| 31 | import org.onosproject.core.ApplicationId; |
| 32 | import org.onosproject.core.CoreService; |
| 33 | import org.onosproject.kubevirtnetworking.api.KubevirtFlowRuleService; |
| 34 | import org.onosproject.kubevirtnetworking.api.KubevirtNetwork; |
| 35 | import org.onosproject.kubevirtnetworking.api.KubevirtNetworkEvent; |
| 36 | import org.onosproject.kubevirtnetworking.api.KubevirtNetworkListener; |
| 37 | import org.onosproject.kubevirtnetworking.api.KubevirtNetworkService; |
| 38 | import org.onosproject.kubevirtnode.api.KubevirtApiConfigService; |
| 39 | import org.onosproject.kubevirtnode.api.KubevirtNode; |
| 40 | import org.onosproject.kubevirtnode.api.KubevirtNodeEvent; |
| 41 | import org.onosproject.kubevirtnode.api.KubevirtNodeListener; |
| 42 | import org.onosproject.kubevirtnode.api.KubevirtNodeService; |
| 43 | import org.onosproject.net.Device; |
| 44 | import org.onosproject.net.DeviceId; |
| 45 | import org.onosproject.net.PortNumber; |
| 46 | import org.onosproject.net.behaviour.BridgeConfig; |
| 47 | import org.onosproject.net.behaviour.BridgeDescription; |
| 48 | import org.onosproject.net.behaviour.BridgeName; |
| 49 | import org.onosproject.net.behaviour.ControllerInfo; |
| 50 | import org.onosproject.net.behaviour.DefaultBridgeDescription; |
| 51 | import org.onosproject.net.behaviour.DefaultPatchDescription; |
| 52 | import org.onosproject.net.behaviour.InterfaceConfig; |
| 53 | import org.onosproject.net.behaviour.PatchDescription; |
| 54 | import org.onosproject.net.device.DeviceAdminService; |
Daniel Park | a896880 | 2021-02-25 09:14:22 +0900 | [diff] [blame] | 55 | import org.onosproject.net.driver.DriverService; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 56 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 57 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 58 | import org.onosproject.net.flow.TrafficSelector; |
| 59 | import org.onosproject.net.flow.TrafficTreatment; |
| 60 | import org.osgi.service.component.annotations.Activate; |
| 61 | import org.osgi.service.component.annotations.Component; |
| 62 | import org.osgi.service.component.annotations.Deactivate; |
| 63 | import org.osgi.service.component.annotations.Reference; |
| 64 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 65 | import org.slf4j.Logger; |
| 66 | |
| 67 | import java.util.List; |
| 68 | import java.util.Objects; |
| 69 | import java.util.concurrent.ExecutorService; |
| 70 | |
| 71 | import static java.lang.Thread.sleep; |
| 72 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 73 | import static org.onlab.packet.ICMP.CODE_ECHO_REQEUST; |
| 74 | import static org.onlab.packet.ICMP.TYPE_ECHO_REPLY; |
| 75 | import static org.onlab.packet.ICMP.TYPE_ECHO_REQUEST; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 76 | import static org.onlab.util.Tools.groupedThreads; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 77 | import static org.onosproject.kubevirtnetworking.api.Constants.DEFAULT_GATEWAY_MAC; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 78 | import static org.onosproject.kubevirtnetworking.api.Constants.KUBEVIRT_NETWORKING_APP_ID; |
Daniel Park | a896880 | 2021-02-25 09:14:22 +0900 | [diff] [blame] | 79 | import static org.onosproject.kubevirtnetworking.api.Constants.PRE_FLAT_TABLE; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 80 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_ARP_GATEWAY_RULE; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 81 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_DHCP_RULE; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 82 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_FORWARDING_RULE; |
| 83 | import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_ICMP_RULE; |
| 84 | import static org.onosproject.kubevirtnetworking.api.Constants.TENANT_ARP_TABLE; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 85 | import static org.onosproject.kubevirtnetworking.api.Constants.TENANT_DHCP_TABLE; |
| 86 | import static org.onosproject.kubevirtnetworking.api.Constants.TENANT_FORWARDING_TABLE; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 87 | import static org.onosproject.kubevirtnetworking.api.Constants.TENANT_ICMP_TABLE; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 88 | import static org.onosproject.kubevirtnetworking.api.Constants.TENANT_INBOUND_TABLE; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 89 | import static org.onosproject.kubevirtnetworking.api.Constants.TENANT_TO_TUNNEL_PREFIX; |
| 90 | import static org.onosproject.kubevirtnetworking.api.Constants.TUNNEL_TO_TENANT_PREFIX; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 91 | import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.segmentIdHex; |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 92 | import static org.onosproject.kubevirtnetworking.util.RulePopulatorUtil.NXM_NX_IP_TTL; |
| 93 | import static org.onosproject.kubevirtnetworking.util.RulePopulatorUtil.NXM_OF_ICMP_TYPE; |
| 94 | import static org.onosproject.kubevirtnetworking.util.RulePopulatorUtil.buildLoadExtension; |
| 95 | import static org.onosproject.kubevirtnetworking.util.RulePopulatorUtil.buildMoveArpShaToThaExtension; |
| 96 | import static org.onosproject.kubevirtnetworking.util.RulePopulatorUtil.buildMoveArpSpaToTpaExtension; |
| 97 | import static org.onosproject.kubevirtnetworking.util.RulePopulatorUtil.buildMoveEthSrcToDstExtension; |
| 98 | import static org.onosproject.kubevirtnetworking.util.RulePopulatorUtil.buildMoveIpSrcToDstExtension; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 99 | import static org.onosproject.kubevirtnode.api.Constants.TUNNEL_BRIDGE; |
Daniel Park | a896880 | 2021-02-25 09:14:22 +0900 | [diff] [blame] | 100 | import static org.onosproject.kubevirtnode.api.KubevirtNode.Type.GATEWAY; |
| 101 | import static org.onosproject.kubevirtnode.api.KubevirtNode.Type.WORKER; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 102 | import static org.slf4j.LoggerFactory.getLogger; |
| 103 | |
| 104 | /** |
| 105 | * Handles kubevirt network events. |
| 106 | */ |
| 107 | @Component(immediate = true) |
| 108 | public class KubevirtNetworkHandler { |
| 109 | protected final Logger log = getLogger(getClass()); |
| 110 | private static final String DEFAULT_OF_PROTO = "tcp"; |
| 111 | private static final int DEFAULT_OFPORT = 6653; |
| 112 | private static final int DPID_BEGIN = 3; |
| 113 | private static final long SLEEP_MS = 3000; // we wait 3s for init each node |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 114 | private static final int DEFAULT_TTL = 0xff; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 115 | |
| 116 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 117 | protected CoreService coreService; |
| 118 | |
| 119 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 120 | protected ClusterService clusterService; |
| 121 | |
| 122 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 123 | protected LeadershipService leadershipService; |
| 124 | |
| 125 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 126 | protected DeviceAdminService deviceService; |
| 127 | |
| 128 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 129 | protected KubevirtApiConfigService apiConfigService; |
| 130 | |
| 131 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 132 | protected KubevirtNodeService nodeService; |
| 133 | |
| 134 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 135 | protected KubevirtNetworkService networkService; |
| 136 | |
| 137 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 138 | protected KubevirtFlowRuleService flowService; |
| 139 | |
Daniel Park | a896880 | 2021-02-25 09:14:22 +0900 | [diff] [blame] | 140 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 141 | protected DriverService driverService; |
| 142 | |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 143 | private final KubevirtNetworkListener networkListener = new InternalNetworkEventListener(); |
| 144 | private final KubevirtNodeListener nodeListener = new InternalNodeEventListener(); |
| 145 | |
| 146 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 147 | groupedThreads(this.getClass().getSimpleName(), "event-handler")); |
| 148 | |
| 149 | private ApplicationId appId; |
| 150 | private NodeId localNodeId; |
| 151 | |
| 152 | @Activate |
| 153 | protected void activate() { |
| 154 | appId = coreService.registerApplication(KUBEVIRT_NETWORKING_APP_ID); |
| 155 | localNodeId = clusterService.getLocalNode().id(); |
| 156 | networkService.addListener(networkListener); |
| 157 | nodeService.addListener(nodeListener); |
| 158 | leadershipService.runForLeadership(appId.name()); |
| 159 | |
| 160 | log.info("Started"); |
| 161 | } |
| 162 | |
| 163 | @Deactivate |
| 164 | protected void deactivate() { |
| 165 | networkService.removeListener(networkListener); |
| 166 | nodeService.removeListener(nodeListener); |
| 167 | leadershipService.withdraw(appId.name()); |
| 168 | eventExecutor.shutdown(); |
| 169 | |
| 170 | log.info("Stopped"); |
| 171 | } |
| 172 | |
| 173 | private void createBridge(KubevirtNode node, KubevirtNetwork network) { |
| 174 | |
| 175 | Device tunBridge = deviceService.getDevice(network.tenantDeviceId(node.hostname())); |
| 176 | if (tunBridge != null) { |
| 177 | log.warn("The tunnel bridge {} already exists at node {}", |
| 178 | network.tenantBridgeName(), node.hostname()); |
| 179 | setDefaultRules(node, network); |
| 180 | return; |
| 181 | } |
| 182 | |
| 183 | Device device = deviceService.getDevice(node.ovsdb()); |
| 184 | |
| 185 | IpAddress serverIp = apiConfigService.apiConfig().ipAddress(); |
| 186 | ControllerInfo controlInfo = |
| 187 | new ControllerInfo(serverIp, DEFAULT_OFPORT, DEFAULT_OF_PROTO); |
| 188 | List<ControllerInfo> controllers = Lists.newArrayList(controlInfo); |
| 189 | |
| 190 | String dpid = network.tenantDeviceId( |
| 191 | node.hostname()).toString().substring(DPID_BEGIN); |
| 192 | |
| 193 | BridgeDescription.Builder builder = DefaultBridgeDescription.builder() |
| 194 | .name(network.tenantBridgeName()) |
| 195 | .failMode(BridgeDescription.FailMode.SECURE) |
| 196 | .datapathId(dpid) |
| 197 | .disableInBand() |
| 198 | .controllers(controllers); |
| 199 | |
| 200 | BridgeConfig bridgeConfig = device.as(BridgeConfig.class); |
| 201 | bridgeConfig.addBridge(builder.build()); |
| 202 | } |
| 203 | |
| 204 | private void removeBridge(KubevirtNode node, KubevirtNetwork network) { |
| 205 | Device device = deviceService.getDevice(node.ovsdb()); |
| 206 | |
| 207 | BridgeName bridgeName = BridgeName.bridgeName(network.tenantBridgeName()); |
| 208 | |
| 209 | BridgeConfig bridgeConfig = device.as(BridgeConfig.class); |
| 210 | bridgeConfig.deleteBridge(bridgeName); |
| 211 | deviceService.removeDevice(network.tenantDeviceId(node.hostname())); |
| 212 | } |
| 213 | |
| 214 | private void createPatchInterface(KubevirtNode node, KubevirtNetwork network) { |
| 215 | Device device = deviceService.getDevice(node.ovsdb()); |
| 216 | |
| 217 | if (device == null || !device.is(InterfaceConfig.class)) { |
| 218 | log.error("Failed to create patch interface on {}", node.ovsdb()); |
| 219 | return; |
| 220 | } |
| 221 | |
| 222 | InterfaceConfig ifaceConfig = device.as(InterfaceConfig.class); |
| 223 | |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 224 | String tenantToTunIntf = |
| 225 | TENANT_TO_TUNNEL_PREFIX + segmentIdHex(network.segmentId()); |
| 226 | String tunToTenantIntf = |
| 227 | TUNNEL_TO_TENANT_PREFIX + segmentIdHex(network.segmentId()); |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 228 | |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 229 | // tenant bridge -> tunnel bridge |
| 230 | PatchDescription brTenantTunPatchDesc = |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 231 | DefaultPatchDescription.builder() |
| 232 | .deviceId(network.tenantBridgeName()) |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 233 | .ifaceName(tenantToTunIntf) |
| 234 | .peer(tunToTenantIntf) |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 235 | .build(); |
| 236 | |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 237 | ifaceConfig.addPatchMode(tenantToTunIntf, brTenantTunPatchDesc); |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 238 | |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 239 | // tunnel bridge -> tenant bridge |
| 240 | PatchDescription brTunTenantPatchDesc = |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 241 | DefaultPatchDescription.builder() |
| 242 | .deviceId(TUNNEL_BRIDGE) |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 243 | .ifaceName(tunToTenantIntf) |
| 244 | .peer(tenantToTunIntf) |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 245 | .build(); |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 246 | ifaceConfig.addPatchMode(tunToTenantIntf, brTunTenantPatchDesc); |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 247 | } |
| 248 | |
| 249 | private void removePatchInterface(KubevirtNode node, KubevirtNetwork network) { |
| 250 | Device device = deviceService.getDevice(node.ovsdb()); |
| 251 | |
| 252 | if (device == null || !device.is(InterfaceConfig.class)) { |
| 253 | log.error("Failed to create patch interface on {}", node.ovsdb()); |
| 254 | return; |
| 255 | } |
| 256 | |
| 257 | InterfaceConfig ifaceConfig = device.as(InterfaceConfig.class); |
| 258 | |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 259 | String tunToIntIntf = TUNNEL_TO_TENANT_PREFIX + segmentIdHex(network.segmentId()); |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 260 | |
| 261 | ifaceConfig.removePatchMode(tunToIntIntf); |
| 262 | } |
| 263 | |
| 264 | private void setDefaultRules(KubevirtNode node, KubevirtNetwork network) { |
| 265 | DeviceId deviceId = network.tenantDeviceId(node.hostname()); |
| 266 | |
| 267 | while (!deviceService.isAvailable(deviceId)) { |
| 268 | log.warn("Device {} is not ready for installing rules", deviceId); |
| 269 | |
| 270 | try { |
| 271 | sleep(SLEEP_MS); |
| 272 | } catch (InterruptedException e) { |
| 273 | log.error("Failed to check device availability", e); |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | flowService.connectTables(deviceId, TENANT_INBOUND_TABLE, TENANT_DHCP_TABLE); |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 278 | flowService.connectTables(deviceId, TENANT_DHCP_TABLE, TENANT_ARP_TABLE); |
| 279 | flowService.connectTables(deviceId, TENANT_ARP_TABLE, TENANT_ICMP_TABLE); |
| 280 | flowService.connectTables(deviceId, TENANT_ICMP_TABLE, TENANT_FORWARDING_TABLE); |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 281 | |
| 282 | setDhcpRule(deviceId, true); |
| 283 | setForwardingRule(deviceId, true); |
Daniel Park | a896880 | 2021-02-25 09:14:22 +0900 | [diff] [blame] | 284 | setGatewayArpRule(network, TENANT_ARP_TABLE, |
| 285 | network.tenantDeviceId(node.hostname()), true); |
| 286 | setGatewayIcmpRule(network, TENANT_ICMP_TABLE, |
| 287 | network.tenantDeviceId(node.hostname()), true); |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 288 | |
| 289 | log.info("Install default flow rules for tenant bridge {}", network.tenantBridgeName()); |
| 290 | } |
| 291 | |
| 292 | private void setDhcpRule(DeviceId deviceId, boolean install) { |
| 293 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 294 | .matchEthType(Ethernet.TYPE_IPV4) |
| 295 | .matchIPProtocol(IPv4.PROTOCOL_UDP) |
| 296 | .matchUdpDst(TpPort.tpPort(UDP.DHCP_SERVER_PORT)) |
| 297 | .matchUdpSrc(TpPort.tpPort(UDP.DHCP_CLIENT_PORT)) |
| 298 | .build(); |
| 299 | |
| 300 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 301 | .punt() |
| 302 | .build(); |
| 303 | |
| 304 | flowService.setRule( |
| 305 | appId, |
| 306 | deviceId, |
| 307 | selector, |
| 308 | treatment, |
| 309 | PRIORITY_DHCP_RULE, |
| 310 | TENANT_DHCP_TABLE, |
| 311 | install); |
| 312 | } |
| 313 | |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 314 | private void setForwardingRule(DeviceId deviceId, boolean install) { |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 315 | TrafficSelector selector = DefaultTrafficSelector.builder().build(); |
| 316 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 317 | .setOutput(PortNumber.NORMAL) |
| 318 | .build(); |
| 319 | |
| 320 | flowService.setRule( |
| 321 | appId, |
| 322 | deviceId, |
| 323 | selector, |
| 324 | treatment, |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 325 | PRIORITY_FORWARDING_RULE, |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 326 | TENANT_FORWARDING_TABLE, |
| 327 | install); |
| 328 | } |
| 329 | |
Daniel Park | a896880 | 2021-02-25 09:14:22 +0900 | [diff] [blame] | 330 | private void setGatewayArpRule(KubevirtNetwork network, |
| 331 | int tableNum, DeviceId deviceId, boolean install) { |
| 332 | Device device = deviceService.getDevice(deviceId); |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 333 | |
| 334 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 335 | sBuilder.matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 336 | .matchArpOp(ARP.OP_REQUEST) |
| 337 | .matchArpTpa(Ip4Address.valueOf(network.gatewayIp().toString())); |
| 338 | |
| 339 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 340 | tBuilder.extension(buildMoveEthSrcToDstExtension(device), device.id()) |
| 341 | .extension(buildMoveArpShaToThaExtension(device), device.id()) |
| 342 | .extension(buildMoveArpSpaToTpaExtension(device), device.id()) |
| 343 | .setArpOp(ARP.OP_REPLY) |
| 344 | .setArpSha(DEFAULT_GATEWAY_MAC) |
| 345 | .setArpSpa(Ip4Address.valueOf(network.gatewayIp().toString())) |
| 346 | .setEthSrc(DEFAULT_GATEWAY_MAC) |
| 347 | .setOutput(PortNumber.IN_PORT); |
| 348 | |
| 349 | flowService.setRule( |
| 350 | appId, |
| 351 | device.id(), |
| 352 | sBuilder.build(), |
| 353 | tBuilder.build(), |
| 354 | PRIORITY_ARP_GATEWAY_RULE, |
Daniel Park | a896880 | 2021-02-25 09:14:22 +0900 | [diff] [blame] | 355 | tableNum, |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 356 | install |
| 357 | ); |
| 358 | } |
| 359 | |
Daniel Park | a896880 | 2021-02-25 09:14:22 +0900 | [diff] [blame] | 360 | private void |
| 361 | setGatewayIcmpRule(KubevirtNetwork network, |
| 362 | int tableNum, DeviceId deviceId, boolean install) { |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 363 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 364 | .matchEthType(Ethernet.TYPE_IPV4) |
| 365 | .matchIPProtocol(IPv4.PROTOCOL_ICMP) |
| 366 | .matchIcmpType(TYPE_ECHO_REQUEST) |
| 367 | .matchIcmpCode(CODE_ECHO_REQEUST) |
| 368 | .matchIPDst(IpPrefix.valueOf(network.gatewayIp(), 32)); |
| 369 | |
| 370 | Device device = deviceService.getDevice(deviceId); |
| 371 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 372 | .extension(buildMoveEthSrcToDstExtension(device), device.id()) |
| 373 | .extension(buildMoveIpSrcToDstExtension(device), device.id()) |
| 374 | .extension(buildLoadExtension(device, |
| 375 | NXM_NX_IP_TTL, DEFAULT_TTL), device.id()) |
| 376 | .extension(buildLoadExtension(device, |
| 377 | NXM_OF_ICMP_TYPE, TYPE_ECHO_REPLY), device.id()) |
| 378 | .setIpSrc(network.gatewayIp()) |
| 379 | .setEthSrc(DEFAULT_GATEWAY_MAC) |
| 380 | .setOutput(PortNumber.IN_PORT); |
| 381 | |
| 382 | flowService.setRule( |
| 383 | appId, |
| 384 | deviceId, |
| 385 | sBuilder.build(), |
| 386 | tBuilder.build(), |
| 387 | PRIORITY_ICMP_RULE, |
Daniel Park | a896880 | 2021-02-25 09:14:22 +0900 | [diff] [blame] | 388 | tableNum, |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame] | 389 | install); |
| 390 | } |
| 391 | |
Daniel Park | a896880 | 2021-02-25 09:14:22 +0900 | [diff] [blame] | 392 | |
| 393 | private void initGatewayNodeBridge(KubevirtNetwork network, boolean install) { |
| 394 | KubevirtNode electedGateway = gatewayNodeForSpecifiedNetwork(network); |
| 395 | if (electedGateway == null) { |
| 396 | log.warn("There's no elected gateway for the network {}", network.name()); |
| 397 | } |
| 398 | |
| 399 | setGatewayArpRule(network, PRE_FLAT_TABLE, electedGateway.intgBridge(), install); |
| 400 | setGatewayIcmpRule(network, PRE_FLAT_TABLE, electedGateway.intgBridge(), install); |
| 401 | } |
| 402 | |
| 403 | /** |
| 404 | * Returns the gateway node for the specified network. |
| 405 | * Among gateways, only one gateway would act as a gateway per network. |
| 406 | * |
| 407 | * @param network kubevirt network |
| 408 | * @return gateway node which would act as the gateway for the network |
| 409 | */ |
| 410 | private KubevirtNode gatewayNodeForSpecifiedNetwork(KubevirtNetwork network) { |
| 411 | //TODO: would implement election logic for each network. |
| 412 | //TODO: would implement cleanup logic in case a gateway node is added |
| 413 | // and the election is changed |
| 414 | return nodeService.completeNodes(GATEWAY).stream() |
| 415 | .findFirst().orElse(null); |
| 416 | } |
| 417 | |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 418 | private class InternalNetworkEventListener implements KubevirtNetworkListener { |
| 419 | |
| 420 | private boolean isRelevantHelper() { |
| 421 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 422 | } |
| 423 | |
| 424 | @Override |
| 425 | public void event(KubevirtNetworkEvent event) { |
| 426 | switch (event.type()) { |
| 427 | case KUBEVIRT_NETWORK_CREATED: |
| 428 | eventExecutor.execute(() -> processNetworkCreation(event.subject())); |
| 429 | break; |
| 430 | case KUBEVIRT_NETWORK_REMOVED: |
| 431 | eventExecutor.execute(() -> processNetworkRemoval(event.subject())); |
| 432 | break; |
| 433 | case KUBEVIRT_NETWORK_UPDATED: |
| 434 | default: |
| 435 | // do nothing |
| 436 | break; |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | private void processNetworkCreation(KubevirtNetwork network) { |
| 441 | if (!isRelevantHelper()) { |
| 442 | return; |
| 443 | } |
| 444 | |
| 445 | switch (network.type()) { |
| 446 | case VXLAN: |
| 447 | case GRE: |
| 448 | case GENEVE: |
| 449 | initIntegrationTunnelBridge(network); |
| 450 | break; |
| 451 | case FLAT: |
Jian Li | 2ce718e | 2021-02-17 20:42:15 +0900 | [diff] [blame] | 452 | case VLAN: |
Daniel Park | a896880 | 2021-02-25 09:14:22 +0900 | [diff] [blame] | 453 | initGatewayNodeBridge(network, true); |
| 454 | break; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 455 | default: |
| 456 | // do nothing |
| 457 | break; |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | private void processNetworkRemoval(KubevirtNetwork network) { |
| 462 | if (!isRelevantHelper()) { |
| 463 | return; |
| 464 | } |
| 465 | |
| 466 | switch (network.type()) { |
| 467 | case VXLAN: |
| 468 | case GRE: |
| 469 | case GENEVE: |
| 470 | purgeIntegrationTunnelBridge(network); |
| 471 | break; |
| 472 | case FLAT: |
Jian Li | 2ce718e | 2021-02-17 20:42:15 +0900 | [diff] [blame] | 473 | case VLAN: |
Daniel Park | a896880 | 2021-02-25 09:14:22 +0900 | [diff] [blame] | 474 | initGatewayNodeBridge(network, false); |
| 475 | break; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 476 | default: |
| 477 | // do nothing |
| 478 | break; |
| 479 | } |
| 480 | } |
| 481 | |
| 482 | private void initIntegrationTunnelBridge(KubevirtNetwork network) { |
| 483 | if (network.segmentId() == null) { |
| 484 | return; |
| 485 | } |
| 486 | |
| 487 | nodeService.completeNodes().forEach(n -> { |
| 488 | createBridge(n, network); |
| 489 | createPatchInterface(n, network); |
| 490 | setDefaultRules(n, network); |
| 491 | }); |
| 492 | } |
| 493 | |
| 494 | private void purgeIntegrationTunnelBridge(KubevirtNetwork network) { |
| 495 | if (network.segmentId() == null) { |
| 496 | return; |
| 497 | } |
| 498 | |
| 499 | nodeService.completeNodes().forEach(n -> { |
| 500 | removePatchInterface(n, network); |
| 501 | removeBridge(n, network); |
| 502 | }); |
| 503 | } |
| 504 | } |
| 505 | |
| 506 | private class InternalNodeEventListener implements KubevirtNodeListener { |
| 507 | |
| 508 | private boolean isRelevantHelper() { |
| 509 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 510 | } |
| 511 | |
| 512 | @Override |
| 513 | public void event(KubevirtNodeEvent event) { |
| 514 | switch (event.type()) { |
| 515 | case KUBEVIRT_NODE_COMPLETE: |
| 516 | eventExecutor.execute(() -> processNodeCompletion(event.subject())); |
| 517 | break; |
| 518 | case KUBEVIRT_NODE_INCOMPLETE: |
| 519 | case KUBEVIRT_NODE_UPDATED: |
| 520 | default: |
| 521 | // do nothing |
| 522 | break; |
| 523 | } |
| 524 | } |
| 525 | |
| 526 | private void processNodeCompletion(KubevirtNode node) { |
| 527 | if (!isRelevantHelper()) { |
| 528 | return; |
| 529 | } |
| 530 | |
Daniel Park | a896880 | 2021-02-25 09:14:22 +0900 | [diff] [blame] | 531 | if (node.type().equals(WORKER)) { |
| 532 | for (KubevirtNetwork network : networkService.networks()) { |
| 533 | switch (network.type()) { |
| 534 | case VXLAN: |
| 535 | case GRE: |
| 536 | case GENEVE: |
| 537 | if (network.segmentId() == null) { |
| 538 | continue; |
| 539 | } |
| 540 | createBridge(node, network); |
| 541 | createPatchInterface(node, network); |
| 542 | setDefaultRules(node, network); |
| 543 | break; |
| 544 | case FLAT: |
| 545 | case VLAN: |
| 546 | default: |
| 547 | // do nothing |
| 548 | break; |
| 549 | } |
| 550 | } |
| 551 | } else if (node.type().equals(GATEWAY)) { |
| 552 | for (KubevirtNetwork network : networkService.networks()) { |
| 553 | switch (network.type()) { |
| 554 | case FLAT: |
| 555 | case VLAN: |
| 556 | initGatewayNodeBridge(network, true); |
| 557 | break; |
| 558 | case VXLAN: |
| 559 | case GRE: |
| 560 | case GENEVE: |
| 561 | default: |
| 562 | // do nothing |
| 563 | break; |
| 564 | } |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 565 | } |
| 566 | } |
| 567 | } |
| 568 | } |
| 569 | } |