Jian Li | 4fe40e5 | 2021-01-06 03:29:58 +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.kubevirtnode.impl; |
| 17 | |
Jian Li | 72f3dac | 2021-01-28 16:14:54 +0900 | [diff] [blame] | 18 | import com.google.common.collect.Lists; |
| 19 | import org.onlab.packet.IpAddress; |
Jian Li | 4fe40e5 | 2021-01-06 03:29:58 +0900 | [diff] [blame] | 20 | import org.onlab.util.Tools; |
| 21 | import org.onosproject.cfg.ComponentConfigService; |
| 22 | import org.onosproject.cluster.ClusterService; |
| 23 | import org.onosproject.cluster.LeadershipService; |
| 24 | import org.onosproject.cluster.NodeId; |
| 25 | import org.onosproject.core.ApplicationId; |
| 26 | import org.onosproject.core.CoreService; |
Jian Li | 72f3dac | 2021-01-28 16:14:54 +0900 | [diff] [blame] | 27 | import org.onosproject.kubevirtnode.api.KubevirtApiConfigService; |
Jian Li | 4fe40e5 | 2021-01-06 03:29:58 +0900 | [diff] [blame] | 28 | import org.onosproject.kubevirtnode.api.KubevirtNode; |
| 29 | import org.onosproject.kubevirtnode.api.KubevirtNodeAdminService; |
| 30 | import org.onosproject.kubevirtnode.api.KubevirtNodeEvent; |
| 31 | import org.onosproject.kubevirtnode.api.KubevirtNodeHandler; |
| 32 | import org.onosproject.kubevirtnode.api.KubevirtNodeListener; |
| 33 | import org.onosproject.kubevirtnode.api.KubevirtNodeState; |
| 34 | import org.onosproject.kubevirtnode.api.KubevirtPhyInterface; |
| 35 | import org.onosproject.net.Device; |
| 36 | import org.onosproject.net.DeviceId; |
| 37 | import org.onosproject.net.Port; |
| 38 | import org.onosproject.net.behaviour.BridgeConfig; |
| 39 | import org.onosproject.net.behaviour.BridgeDescription; |
| 40 | import org.onosproject.net.behaviour.BridgeName; |
| 41 | import org.onosproject.net.behaviour.ControllerInfo; |
| 42 | import org.onosproject.net.behaviour.DefaultBridgeDescription; |
| 43 | import org.onosproject.net.behaviour.DefaultPatchDescription; |
| 44 | import org.onosproject.net.behaviour.DefaultTunnelDescription; |
| 45 | import org.onosproject.net.behaviour.InterfaceConfig; |
| 46 | import org.onosproject.net.behaviour.PatchDescription; |
| 47 | import org.onosproject.net.behaviour.TunnelDescription; |
| 48 | import org.onosproject.net.behaviour.TunnelEndPoints; |
| 49 | import org.onosproject.net.behaviour.TunnelKey; |
| 50 | import org.onosproject.net.device.DeviceAdminService; |
| 51 | import org.onosproject.net.device.DeviceEvent; |
| 52 | import org.onosproject.net.device.DeviceListener; |
| 53 | import org.onosproject.net.device.DeviceService; |
| 54 | import org.onosproject.ovsdb.controller.OvsdbClientService; |
| 55 | import org.onosproject.ovsdb.controller.OvsdbController; |
| 56 | import org.osgi.service.component.ComponentContext; |
| 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.Modified; |
| 61 | import org.osgi.service.component.annotations.Reference; |
| 62 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 63 | import org.slf4j.Logger; |
| 64 | |
| 65 | import java.util.Dictionary; |
| 66 | import java.util.List; |
| 67 | import java.util.Objects; |
| 68 | import java.util.Set; |
| 69 | import java.util.concurrent.ExecutorService; |
| 70 | import java.util.stream.Collectors; |
| 71 | |
| 72 | import static java.lang.Thread.sleep; |
| 73 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 74 | import static org.onlab.packet.TpPort.tpPort; |
| 75 | import static org.onlab.util.Tools.groupedThreads; |
| 76 | import static org.onosproject.kubevirtnode.api.Constants.BRIDGE_PREFIX; |
| 77 | import static org.onosproject.kubevirtnode.api.Constants.FLOW_KEY; |
| 78 | import static org.onosproject.kubevirtnode.api.Constants.GENEVE; |
| 79 | import static org.onosproject.kubevirtnode.api.Constants.GRE; |
| 80 | import static org.onosproject.kubevirtnode.api.Constants.INTEGRATION_BRIDGE; |
| 81 | import static org.onosproject.kubevirtnode.api.Constants.INTEGRATION_TO_PHYSICAL_PREFIX; |
| 82 | import static org.onosproject.kubevirtnode.api.Constants.INTEGRATION_TO_TUNNEL; |
| 83 | import static org.onosproject.kubevirtnode.api.Constants.PHYSICAL_TO_INTEGRATION_SUFFIX; |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 84 | import static org.onosproject.kubevirtnode.api.Constants.TENANT_BRIDGE_PREFIX; |
Jian Li | 4fe40e5 | 2021-01-06 03:29:58 +0900 | [diff] [blame] | 85 | import static org.onosproject.kubevirtnode.api.Constants.TUNNEL_BRIDGE; |
| 86 | import static org.onosproject.kubevirtnode.api.Constants.TUNNEL_TO_INTEGRATION; |
| 87 | import static org.onosproject.kubevirtnode.api.Constants.VXLAN; |
| 88 | import static org.onosproject.kubevirtnode.api.KubevirtNodeService.APP_ID; |
| 89 | import static org.onosproject.kubevirtnode.api.KubevirtNodeState.COMPLETE; |
| 90 | import static org.onosproject.kubevirtnode.api.KubevirtNodeState.DEVICE_CREATED; |
| 91 | import static org.onosproject.kubevirtnode.api.KubevirtNodeState.INCOMPLETE; |
| 92 | import static org.onosproject.kubevirtnode.api.KubevirtNodeState.INIT; |
| 93 | import static org.onosproject.kubevirtnode.impl.OsgiPropertyConstants.AUTO_RECOVERY; |
| 94 | import static org.onosproject.kubevirtnode.impl.OsgiPropertyConstants.AUTO_RECOVERY_DEFAULT; |
| 95 | import static org.onosproject.kubevirtnode.impl.OsgiPropertyConstants.OVSDB_PORT; |
| 96 | import static org.onosproject.kubevirtnode.impl.OsgiPropertyConstants.OVSDB_PORT_NUM_DEFAULT; |
| 97 | import static org.onosproject.kubevirtnode.util.KubevirtNodeUtil.addOrRemoveSystemInterface; |
| 98 | import static org.onosproject.kubevirtnode.util.KubevirtNodeUtil.getBooleanProperty; |
| 99 | import static org.onosproject.kubevirtnode.util.KubevirtNodeUtil.getOvsdbClient; |
| 100 | import static org.onosproject.kubevirtnode.util.KubevirtNodeUtil.isOvsdbConnected; |
| 101 | import static org.onosproject.kubevirtnode.util.KubevirtNodeUtil.structurePortName; |
| 102 | import static org.onosproject.net.AnnotationKeys.PORT_NAME; |
| 103 | import static org.slf4j.LoggerFactory.getLogger; |
| 104 | |
| 105 | /** |
| 106 | * Service bootstraps kubernetes node based on its type. |
| 107 | */ |
| 108 | @Component(immediate = true, |
| 109 | property = { |
| 110 | OVSDB_PORT + ":Integer=" + OVSDB_PORT_NUM_DEFAULT, |
| 111 | AUTO_RECOVERY + ":Boolean=" + AUTO_RECOVERY_DEFAULT |
| 112 | } |
| 113 | ) |
| 114 | public class DefaultKubevirtNodeHandler implements KubevirtNodeHandler { |
| 115 | |
| 116 | private final Logger log = getLogger(getClass()); |
| 117 | |
| 118 | private static final String DEFAULT_OF_PROTO = "tcp"; |
| 119 | private static final int DEFAULT_OFPORT = 6653; |
| 120 | private static final int DPID_BEGIN = 3; |
| 121 | private static final int NETWORK_BEGIN = 3; |
| 122 | private static final long SLEEP_SHORT_MS = 1000; // we wait 1s |
| 123 | private static final long SLEEP_LONG_MS = 2000; // we wait 2s |
| 124 | |
| 125 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 126 | protected CoreService coreService; |
| 127 | |
| 128 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 129 | protected LeadershipService leadershipService; |
| 130 | |
| 131 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 132 | protected ClusterService clusterService; |
| 133 | |
| 134 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 135 | protected DeviceService deviceService; |
| 136 | |
| 137 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 138 | protected DeviceAdminService deviceAdminService; |
| 139 | |
| 140 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 141 | protected OvsdbController ovsdbController; |
| 142 | |
| 143 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 144 | protected KubevirtNodeAdminService nodeAdminService; |
| 145 | |
| 146 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 72f3dac | 2021-01-28 16:14:54 +0900 | [diff] [blame] | 147 | protected KubevirtApiConfigService apiConfigService; |
| 148 | |
| 149 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 4fe40e5 | 2021-01-06 03:29:58 +0900 | [diff] [blame] | 150 | protected ComponentConfigService componentConfigService; |
| 151 | |
| 152 | /** OVSDB server listen port. */ |
| 153 | private int ovsdbPortNum = OVSDB_PORT_NUM_DEFAULT; |
| 154 | |
| 155 | /** Indicates whether auto-recover kubernetes node status on switch re-conn event. */ |
| 156 | private boolean autoRecovery = AUTO_RECOVERY_DEFAULT; |
| 157 | |
| 158 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 159 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| 160 | |
| 161 | private final DeviceListener ovsdbListener = new InternalOvsdbListener(); |
| 162 | private final DeviceListener bridgeListener = new InternalBridgeListener(); |
| 163 | private final KubevirtNodeListener kubevirtNodeListener = new InternalKubevirtNodeListener(); |
| 164 | |
| 165 | private ApplicationId appId; |
| 166 | private NodeId localNode; |
| 167 | |
| 168 | @Activate |
| 169 | protected void activate() { |
| 170 | appId = coreService.getAppId(APP_ID); |
| 171 | localNode = clusterService.getLocalNode().id(); |
| 172 | |
| 173 | componentConfigService.registerProperties(getClass()); |
| 174 | leadershipService.runForLeadership(appId.name()); |
| 175 | deviceService.addListener(ovsdbListener); |
| 176 | deviceService.addListener(bridgeListener); |
| 177 | nodeAdminService.addListener(kubevirtNodeListener); |
| 178 | |
| 179 | log.info("Started"); |
| 180 | } |
| 181 | |
| 182 | @Deactivate |
| 183 | protected void deactivate() { |
| 184 | nodeAdminService.removeListener(kubevirtNodeListener); |
| 185 | deviceService.removeListener(bridgeListener); |
| 186 | deviceService.removeListener(ovsdbListener); |
| 187 | componentConfigService.unregisterProperties(getClass(), false); |
| 188 | leadershipService.withdraw(appId.name()); |
| 189 | eventExecutor.shutdown(); |
| 190 | |
| 191 | log.info("Stopped"); |
| 192 | } |
| 193 | |
| 194 | @Modified |
| 195 | protected void modified(ComponentContext context) { |
| 196 | readComponentConfiguration(context); |
| 197 | |
| 198 | log.info("Modified"); |
| 199 | } |
| 200 | |
| 201 | @Override |
| 202 | public void processInitState(KubevirtNode node) { |
| 203 | if (!isOvsdbConnected(node, ovsdbPortNum, ovsdbController, deviceService)) { |
| 204 | ovsdbController.connect(node.managementIp(), tpPort(ovsdbPortNum)); |
| 205 | return; |
| 206 | } |
| 207 | if (!deviceService.isAvailable(node.intgBridge())) { |
| 208 | createBridge(node, INTEGRATION_BRIDGE, node.intgBridge()); |
| 209 | } |
| 210 | |
| 211 | if (!deviceService.isAvailable(node.tunBridge())) { |
| 212 | createBridge(node, TUNNEL_BRIDGE, node.tunBridge()); |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | @Override |
| 217 | public void processDeviceCreatedState(KubevirtNode node) { |
| 218 | try { |
| 219 | if (!isOvsdbConnected(node, ovsdbPortNum, ovsdbController, deviceService)) { |
| 220 | ovsdbController.connect(node.managementIp(), tpPort(ovsdbPortNum)); |
| 221 | return; |
| 222 | } |
| 223 | |
| 224 | // create patch ports between integration to other bridges |
Jian Li | 858ccd7 | 2021-02-04 17:25:01 +0900 | [diff] [blame^] | 225 | // for now, we do not directly connect br-int with br-tun, |
| 226 | // as br-int only deals with FLAT and VLAN network |
| 227 | // createPatchInterfaces(node); |
Jian Li | 4fe40e5 | 2021-01-06 03:29:58 +0900 | [diff] [blame] | 228 | |
| 229 | if (node.dataIp() != null && !isIntfEnabled(node, VXLAN)) { |
| 230 | createVxlanTunnelInterface(node); |
| 231 | } |
| 232 | |
| 233 | if (node.dataIp() != null && !isIntfEnabled(node, GRE)) { |
| 234 | createGreTunnelInterface(node); |
| 235 | } |
| 236 | |
| 237 | if (node.dataIp() != null && !isIntfEnabled(node, GENEVE)) { |
| 238 | createGeneveTunnelInterface(node); |
| 239 | } |
| 240 | |
| 241 | // provision new physical interfaces on the given node |
| 242 | // this includes creating physical bridge, attaching physical port |
| 243 | // to physical bridge, adding patch ports to both physical bridge and br-int |
| 244 | provisionPhysicalInterfaces(node); |
| 245 | |
| 246 | } catch (Exception e) { |
| 247 | log.error("Exception occurred because of {}", e); |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | @Override |
| 252 | public void processCompleteState(KubevirtNode node) { |
| 253 | // do something if needed |
| 254 | } |
| 255 | |
| 256 | @Override |
| 257 | public void processIncompleteState(KubevirtNode node) { |
| 258 | // do something if needed |
| 259 | } |
| 260 | |
| 261 | @Override |
| 262 | public void processOnBoardedState(KubevirtNode node) { |
| 263 | // do something if needed |
| 264 | } |
| 265 | |
| 266 | /** |
| 267 | * Extracts properties from the component configuration context. |
| 268 | * |
| 269 | * @param context the component context |
| 270 | */ |
| 271 | private void readComponentConfiguration(ComponentContext context) { |
| 272 | Dictionary<?, ?> properties = context.getProperties(); |
| 273 | |
| 274 | Integer ovsdbPortConfigured = Tools.getIntegerProperty(properties, OVSDB_PORT); |
| 275 | if (ovsdbPortConfigured == null) { |
| 276 | ovsdbPortNum = OVSDB_PORT_NUM_DEFAULT; |
| 277 | log.info("OVSDB port is NOT configured, default value is {}", ovsdbPortNum); |
| 278 | } else { |
| 279 | ovsdbPortNum = ovsdbPortConfigured; |
| 280 | log.info("Configured. OVSDB port is {}", ovsdbPortNum); |
| 281 | } |
| 282 | |
| 283 | Boolean autoRecoveryConfigured = |
| 284 | getBooleanProperty(properties, AUTO_RECOVERY); |
| 285 | if (autoRecoveryConfigured == null) { |
| 286 | autoRecovery = AUTO_RECOVERY_DEFAULT; |
| 287 | log.info("Auto recovery flag is NOT " + |
| 288 | "configured, default value is {}", autoRecovery); |
| 289 | } else { |
| 290 | autoRecovery = autoRecoveryConfigured; |
| 291 | log.info("Configured. Auto recovery flag is {}", autoRecovery); |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | /** |
| 296 | * Creates a bridge with a given name on a given kubernetes node. |
| 297 | * |
| 298 | * @param node kubevirt node |
| 299 | * @param bridgeName bridge name |
| 300 | * @param devId device identifier |
| 301 | */ |
| 302 | private void createBridge(KubevirtNode node, String bridgeName, DeviceId devId) { |
| 303 | Device device = deviceService.getDevice(node.ovsdb()); |
| 304 | |
Jian Li | 72f3dac | 2021-01-28 16:14:54 +0900 | [diff] [blame] | 305 | IpAddress serverIp = apiConfigService.apiConfig().ipAddress(); |
| 306 | ControllerInfo controlInfo = new ControllerInfo(serverIp, DEFAULT_OFPORT, DEFAULT_OF_PROTO); |
| 307 | List<ControllerInfo> controllers = Lists.newArrayList(controlInfo); |
Jian Li | 4fe40e5 | 2021-01-06 03:29:58 +0900 | [diff] [blame] | 308 | |
| 309 | String dpid = devId.toString().substring(DPID_BEGIN); |
| 310 | |
| 311 | BridgeDescription.Builder builder = DefaultBridgeDescription.builder() |
| 312 | .name(bridgeName) |
| 313 | .failMode(BridgeDescription.FailMode.SECURE) |
| 314 | .datapathId(dpid) |
| 315 | .disableInBand() |
| 316 | .controllers(controllers); |
| 317 | |
| 318 | BridgeConfig bridgeConfig = device.as(BridgeConfig.class); |
| 319 | bridgeConfig.addBridge(builder.build()); |
| 320 | } |
| 321 | |
| 322 | /** |
| 323 | * Creates a VXLAN tunnel interface in a given kubevirt node. |
| 324 | * |
| 325 | * @param node kubevirt node |
| 326 | */ |
| 327 | private void createVxlanTunnelInterface(KubevirtNode node) { |
| 328 | createTunnelInterface(node, VXLAN, VXLAN); |
| 329 | } |
| 330 | |
| 331 | /** |
| 332 | * Creates a GRE tunnel interface in a given kubevirt node. |
| 333 | * |
| 334 | * @param node kubevirt node |
| 335 | */ |
| 336 | private void createGreTunnelInterface(KubevirtNode node) { |
| 337 | createTunnelInterface(node, GRE, GRE); |
| 338 | } |
| 339 | |
| 340 | /** |
| 341 | * Creates a GENEVE tunnel interface in a given kubevirt node. |
| 342 | * |
| 343 | * @param node kubevirt node |
| 344 | */ |
| 345 | private void createGeneveTunnelInterface(KubevirtNode node) { |
| 346 | createTunnelInterface(node, GENEVE, GENEVE); |
| 347 | } |
| 348 | |
| 349 | /** |
| 350 | * Creates a tunnel interface in a given kubernetes node. |
| 351 | * |
| 352 | * @param node kubevirt node |
| 353 | */ |
| 354 | private void createTunnelInterface(KubevirtNode node, |
| 355 | String type, String intfName) { |
| 356 | if (isIntfEnabled(node, intfName)) { |
| 357 | return; |
| 358 | } |
| 359 | |
| 360 | Device device = deviceService.getDevice(node.ovsdb()); |
| 361 | if (device == null || !device.is(InterfaceConfig.class)) { |
| 362 | log.error("Failed to create tunnel interface on {}", node.ovsdb()); |
| 363 | return; |
| 364 | } |
| 365 | |
| 366 | TunnelDescription tunnelDesc = buildTunnelDesc(type, intfName); |
| 367 | |
| 368 | InterfaceConfig ifaceConfig = device.as(InterfaceConfig.class); |
| 369 | ifaceConfig.addTunnelMode(intfName, tunnelDesc); |
| 370 | } |
| 371 | |
| 372 | /** |
| 373 | * Builds tunnel description according to the network type. |
| 374 | * |
| 375 | * @param type network type |
| 376 | * @return tunnel description |
| 377 | */ |
| 378 | private TunnelDescription buildTunnelDesc(String type, String intfName) { |
| 379 | TunnelKey<String> key = new TunnelKey<>(FLOW_KEY); |
| 380 | if (VXLAN.equals(type) || GRE.equals(type) || GENEVE.equals(type)) { |
| 381 | TunnelDescription.Builder tdBuilder = |
| 382 | DefaultTunnelDescription.builder() |
| 383 | .deviceId(TUNNEL_BRIDGE) |
| 384 | .ifaceName(intfName) |
| 385 | .remote(TunnelEndPoints.flowTunnelEndpoint()) |
| 386 | .key(key); |
| 387 | |
| 388 | switch (type) { |
| 389 | case VXLAN: |
| 390 | tdBuilder.type(TunnelDescription.Type.VXLAN); |
| 391 | break; |
| 392 | case GRE: |
| 393 | tdBuilder.type(TunnelDescription.Type.GRE); |
| 394 | break; |
| 395 | case GENEVE: |
| 396 | tdBuilder.type(TunnelDescription.Type.GENEVE); |
| 397 | break; |
| 398 | default: |
| 399 | return null; |
| 400 | } |
| 401 | |
| 402 | return tdBuilder.build(); |
| 403 | } |
| 404 | return null; |
| 405 | } |
| 406 | |
| 407 | /** |
| 408 | * Checks whether a given network interface in a given kubernetes node |
| 409 | * is enabled or not. |
| 410 | * |
| 411 | * @param node kubevirt node |
| 412 | * @param intf network interface name |
| 413 | * @return true if the given interface is enabled, false otherwise |
| 414 | */ |
| 415 | private boolean isIntfEnabled(KubevirtNode node, String intf) { |
| 416 | return deviceService.isAvailable(node.tunBridge()) && |
| 417 | deviceService.getPorts(node.tunBridge()).stream() |
| 418 | .anyMatch(port -> Objects.equals( |
| 419 | port.annotations().value(PORT_NAME), intf) && |
| 420 | port.isEnabled()); |
| 421 | } |
| 422 | |
| 423 | private void createPatchInterfaces(KubevirtNode node) { |
| 424 | Device device = deviceService.getDevice(node.ovsdb()); |
| 425 | if (device == null || !device.is(InterfaceConfig.class)) { |
| 426 | log.error("Failed to create patch interface on {}", node.ovsdb()); |
| 427 | return; |
| 428 | } |
| 429 | |
| 430 | InterfaceConfig ifaceConfig = device.as(InterfaceConfig.class); |
| 431 | |
| 432 | // integration bridge -> tunnel bridge |
| 433 | PatchDescription brIntTunPatchDesc = |
| 434 | DefaultPatchDescription.builder() |
| 435 | .deviceId(INTEGRATION_BRIDGE) |
| 436 | .ifaceName(INTEGRATION_TO_TUNNEL) |
| 437 | .peer(TUNNEL_TO_INTEGRATION) |
| 438 | .build(); |
| 439 | |
| 440 | ifaceConfig.addPatchMode(INTEGRATION_TO_TUNNEL, brIntTunPatchDesc); |
| 441 | |
| 442 | // tunnel bridge -> integration bridge |
| 443 | PatchDescription brTunIntPatchDesc = |
| 444 | DefaultPatchDescription.builder() |
| 445 | .deviceId(TUNNEL_BRIDGE) |
| 446 | .ifaceName(TUNNEL_TO_INTEGRATION) |
| 447 | .peer(INTEGRATION_TO_TUNNEL) |
| 448 | .build(); |
| 449 | |
| 450 | ifaceConfig.addPatchMode(TUNNEL_TO_INTEGRATION, brTunIntPatchDesc); |
| 451 | } |
| 452 | |
| 453 | /** |
| 454 | * Bootstraps a new kubevirt node. |
| 455 | * |
| 456 | * @param node kubevirt node |
| 457 | */ |
| 458 | private void bootstrapNode(KubevirtNode node) { |
| 459 | if (isCurrentStateDone(node)) { |
| 460 | setState(node, node.state().nextState()); |
| 461 | } else { |
| 462 | log.trace("Processing {} state for {}", node.state(), node.hostname()); |
| 463 | node.state().process(this, node); |
| 464 | } |
| 465 | } |
| 466 | |
| 467 | /** |
| 468 | * Removes the existing kubevirt node. |
| 469 | * |
| 470 | * @param node kubevirt node |
| 471 | */ |
| 472 | private void removeNode(KubevirtNode node) { |
| 473 | OvsdbClientService client = getOvsdbClient(node, ovsdbPortNum, ovsdbController); |
| 474 | if (client == null) { |
| 475 | log.info("Failed to get ovsdb client"); |
| 476 | return; |
| 477 | } |
| 478 | |
| 479 | // unprovision physical interfaces from the node |
| 480 | // this procedure includes detaching physical port from physical bridge, |
| 481 | // remove patch ports from br-int, removing physical bridge |
| 482 | unprovisionPhysicalInterfaces(node); |
| 483 | |
| 484 | // delete tunnel bridge from the node |
| 485 | client.dropBridge(TUNNEL_BRIDGE); |
| 486 | |
| 487 | // delete integration bridge from the node |
| 488 | client.dropBridge(INTEGRATION_BRIDGE); |
| 489 | } |
| 490 | |
| 491 | /** |
| 492 | * Checks whether all requirements for this state are fulfilled or not. |
| 493 | * |
| 494 | * @param node kubevirt node |
| 495 | * @return true if all requirements are fulfilled, false otherwise |
| 496 | */ |
| 497 | private boolean isCurrentStateDone(KubevirtNode node) { |
| 498 | switch (node.state()) { |
| 499 | case INIT: |
| 500 | return isInitStateDone(node); |
| 501 | case DEVICE_CREATED: |
| 502 | return isDeviceCreatedStateDone(node); |
| 503 | case COMPLETE: |
| 504 | case INCOMPLETE: |
| 505 | case ON_BOARDED: |
| 506 | // always return false |
| 507 | // run init CLI to re-trigger node bootstrap |
| 508 | return false; |
| 509 | default: |
| 510 | return true; |
| 511 | } |
| 512 | } |
| 513 | |
| 514 | private boolean isInitStateDone(KubevirtNode node) { |
| 515 | if (!isOvsdbConnected(node, ovsdbPortNum, |
| 516 | ovsdbController, deviceService)) { |
| 517 | return false; |
| 518 | } |
| 519 | |
| 520 | try { |
| 521 | // we need to wait a while, in case interfaces and bridges |
| 522 | // creation requires some time |
| 523 | sleep(SLEEP_SHORT_MS); |
| 524 | } catch (InterruptedException e) { |
| 525 | log.error("Exception caused during init state checking..."); |
| 526 | } |
| 527 | |
| 528 | cleanPhysicalInterfaces(node); |
| 529 | |
| 530 | return node.intgBridge() != null && node.tunBridge() != null && |
| 531 | deviceService.isAvailable(node.intgBridge()) && |
| 532 | deviceService.isAvailable(node.tunBridge()); |
| 533 | } |
| 534 | |
| 535 | private boolean isDeviceCreatedStateDone(KubevirtNode node) { |
| 536 | |
| 537 | try { |
| 538 | // we need to wait a while, in case tunneling ports |
| 539 | // creation requires some time |
| 540 | sleep(SLEEP_LONG_MS); |
| 541 | } catch (InterruptedException e) { |
| 542 | log.error("Exception caused during init state checking..."); |
| 543 | } |
| 544 | |
| 545 | if (node.dataIp() != null && !isIntfEnabled(node, VXLAN)) { |
| 546 | return false; |
| 547 | } |
| 548 | if (node.dataIp() != null && !isIntfEnabled(node, GRE)) { |
| 549 | return false; |
| 550 | } |
| 551 | if (node.dataIp() != null && !isIntfEnabled(node, GENEVE)) { |
| 552 | return false; |
| 553 | } |
| 554 | |
| 555 | for (KubevirtPhyInterface phyIntf : node.phyIntfs()) { |
| 556 | if (phyIntf == null) { |
| 557 | return false; |
| 558 | } |
| 559 | |
| 560 | String bridgeName = BRIDGE_PREFIX + phyIntf.network(); |
| 561 | String patchPortName = structurePortName( |
| 562 | INTEGRATION_TO_PHYSICAL_PREFIX + phyIntf.network()); |
| 563 | |
| 564 | if (!(hasPhyBridge(node, bridgeName) && |
| 565 | hasPhyPatchPort(node, patchPortName) && |
| 566 | hasPhyIntf(node, phyIntf.intf()))) { |
| 567 | return false; |
| 568 | } |
| 569 | } |
| 570 | |
| 571 | return true; |
| 572 | } |
| 573 | |
| 574 | /** |
| 575 | * Configures the kubernetes node with new state. |
| 576 | * |
| 577 | * @param node kubevirt node |
| 578 | * @param newState a new state |
| 579 | */ |
| 580 | private void setState(KubevirtNode node, KubevirtNodeState newState) { |
| 581 | if (node.state() == newState) { |
| 582 | return; |
| 583 | } |
| 584 | KubevirtNode updated = node.updateState(newState); |
| 585 | nodeAdminService.updateNode(updated); |
| 586 | log.info("Changed {} state: {}", node.hostname(), newState); |
| 587 | } |
| 588 | |
| 589 | private void provisionPhysicalInterfaces(KubevirtNode node) { |
| 590 | node.phyIntfs().forEach(pi -> { |
| 591 | String bridgeName = BRIDGE_PREFIX + pi.network(); |
| 592 | String patchPortName = |
| 593 | structurePortName(INTEGRATION_TO_PHYSICAL_PREFIX + pi.network()); |
| 594 | |
| 595 | if (!hasPhyBridge(node, bridgeName)) { |
| 596 | createPhysicalBridge(node, pi); |
| 597 | createPhysicalPatchPorts(node, pi); |
| 598 | attachPhysicalPort(node, pi); |
| 599 | } else { |
| 600 | // in case physical bridge exists, but patch port is missing on br-int, |
| 601 | // we will add patch port to connect br-int with physical bridge |
| 602 | if (!hasPhyPatchPort(node, patchPortName)) { |
| 603 | createPhysicalPatchPorts(node, pi); |
| 604 | } |
| 605 | } |
| 606 | }); |
| 607 | } |
| 608 | |
| 609 | private void cleanPhysicalInterfaces(KubevirtNode node) { |
| 610 | Device device = deviceService.getDevice(node.ovsdb()); |
| 611 | |
| 612 | BridgeConfig bridgeConfig = device.as(BridgeConfig.class); |
| 613 | |
| 614 | Set<String> bridgeNames = bridgeConfig.getBridges().stream() |
| 615 | .map(BridgeDescription::name).collect(Collectors.toSet()); |
| 616 | |
| 617 | Set<String> phyNetworkNames = node.phyIntfs().stream() |
| 618 | .map(pi -> BRIDGE_PREFIX + pi.network()).collect(Collectors.toSet()); |
| 619 | |
| 620 | // we remove existing physical bridges and patch ports, if the physical |
| 621 | // bridges are not defined in kubevirt node |
| 622 | for (String brName : bridgeNames) { |
| 623 | if (!phyNetworkNames.contains(brName)) { |
| 624 | // integration bridge and tunnel bridge should NOT be treated as |
| 625 | // physical bridges |
Jian Li | 556709c | 2021-02-03 17:54:28 +0900 | [diff] [blame] | 626 | if (brName.equals(INTEGRATION_BRIDGE) || |
| 627 | brName.equals(TUNNEL_BRIDGE) || |
| 628 | brName.startsWith(TENANT_BRIDGE_PREFIX)) { |
Jian Li | 4fe40e5 | 2021-01-06 03:29:58 +0900 | [diff] [blame] | 629 | continue; |
| 630 | } |
| 631 | removePhysicalPatchPorts(node, brName.substring(NETWORK_BEGIN)); |
| 632 | removePhysicalBridge(node, brName.substring(NETWORK_BEGIN)); |
| 633 | } |
| 634 | } |
| 635 | } |
| 636 | |
| 637 | private void unprovisionPhysicalInterfaces(KubevirtNode node) { |
| 638 | node.phyIntfs().forEach(pi -> { |
| 639 | detachPhysicalPort(node, pi.network(), pi.intf()); |
| 640 | removePhysicalPatchPorts(node, pi.network()); |
| 641 | removePhysicalBridge(node, pi.network()); |
| 642 | }); |
| 643 | } |
| 644 | |
| 645 | private boolean hasPhyBridge(KubevirtNode node, String bridgeName) { |
| 646 | BridgeConfig bridgeConfig = |
| 647 | deviceService.getDevice(node.ovsdb()).as(BridgeConfig.class); |
| 648 | return bridgeConfig.getBridges().stream() |
| 649 | .anyMatch(br -> br.name().equals(bridgeName)); |
| 650 | } |
| 651 | |
| 652 | private boolean hasPhyPatchPort(KubevirtNode node, String patchPortName) { |
| 653 | List<Port> ports = deviceService.getPorts(node.intgBridge()); |
| 654 | return ports.stream().anyMatch(p -> |
| 655 | p.annotations().value(PORT_NAME).equals(patchPortName)); |
| 656 | } |
| 657 | |
| 658 | private boolean hasPhyIntf(KubevirtNode node, String intfName) { |
| 659 | BridgeConfig bridgeConfig = |
| 660 | deviceService.getDevice(node.ovsdb()).as(BridgeConfig.class); |
| 661 | return bridgeConfig.getPorts().stream() |
| 662 | .anyMatch(p -> p.annotations().value(PORT_NAME).equals(intfName)); |
| 663 | } |
| 664 | |
| 665 | private void createPhysicalBridge(KubevirtNode osNode, |
| 666 | KubevirtPhyInterface phyInterface) { |
| 667 | Device device = deviceService.getDevice(osNode.ovsdb()); |
| 668 | |
| 669 | String bridgeName = BRIDGE_PREFIX + phyInterface.network(); |
| 670 | |
| 671 | BridgeDescription.Builder builder = DefaultBridgeDescription.builder() |
| 672 | .name(bridgeName) |
| 673 | .mcastSnoopingEnable(); |
| 674 | |
| 675 | BridgeConfig bridgeConfig = device.as(BridgeConfig.class); |
| 676 | bridgeConfig.addBridge(builder.build()); |
| 677 | } |
| 678 | |
| 679 | private void removePhysicalBridge(KubevirtNode node, String network) { |
| 680 | Device device = deviceService.getDevice(node.ovsdb()); |
| 681 | |
| 682 | BridgeName bridgeName = BridgeName.bridgeName(BRIDGE_PREFIX + network); |
| 683 | |
| 684 | BridgeConfig bridgeConfig = device.as(BridgeConfig.class); |
| 685 | bridgeConfig.deleteBridge(bridgeName); |
| 686 | } |
| 687 | |
| 688 | private void createPhysicalPatchPorts(KubevirtNode node, |
| 689 | KubevirtPhyInterface phyInterface) { |
| 690 | Device device = deviceService.getDevice(node.ovsdb()); |
| 691 | |
| 692 | if (device == null || !device.is(InterfaceConfig.class)) { |
| 693 | log.error("Failed to create patch interface on {}", node.ovsdb()); |
| 694 | return; |
| 695 | } |
| 696 | |
| 697 | String physicalDeviceId = BRIDGE_PREFIX + phyInterface.network(); |
| 698 | |
| 699 | String intToPhyPatchPort = structurePortName( |
| 700 | INTEGRATION_TO_PHYSICAL_PREFIX + phyInterface.network()); |
| 701 | String phyToIntPatchPort = structurePortName( |
| 702 | phyInterface.network() + PHYSICAL_TO_INTEGRATION_SUFFIX); |
| 703 | |
| 704 | // integration bridge -> physical bridge |
| 705 | PatchDescription intToPhyPatchDesc = |
| 706 | DefaultPatchDescription.builder() |
| 707 | .deviceId(INTEGRATION_BRIDGE) |
| 708 | .ifaceName(intToPhyPatchPort) |
| 709 | .peer(phyToIntPatchPort) |
| 710 | .build(); |
| 711 | |
| 712 | // physical bridge -> integration bridge |
| 713 | PatchDescription phyToIntPatchDesc = |
| 714 | DefaultPatchDescription.builder() |
| 715 | .deviceId(physicalDeviceId) |
| 716 | .ifaceName(phyToIntPatchPort) |
| 717 | .peer(intToPhyPatchPort) |
| 718 | .build(); |
| 719 | |
| 720 | InterfaceConfig ifaceConfig = device.as(InterfaceConfig.class); |
| 721 | ifaceConfig.addPatchMode(INTEGRATION_TO_PHYSICAL_PREFIX + |
| 722 | phyInterface.network(), intToPhyPatchDesc); |
| 723 | ifaceConfig.addPatchMode(phyInterface.network() + |
| 724 | PHYSICAL_TO_INTEGRATION_SUFFIX, phyToIntPatchDesc); |
| 725 | |
| 726 | addOrRemoveSystemInterface(node, physicalDeviceId, |
| 727 | phyInterface.intf(), deviceService, true); |
| 728 | } |
| 729 | |
| 730 | private void removePhysicalPatchPorts(KubevirtNode node, String network) { |
| 731 | Device device = deviceService.getDevice(node.ovsdb()); |
| 732 | |
| 733 | if (device == null || !device.is(InterfaceConfig.class)) { |
| 734 | log.error("Failed to remove patch interface on {}", node.ovsdb()); |
| 735 | return; |
| 736 | } |
| 737 | |
| 738 | String intToPhyPatchPort = structurePortName( |
| 739 | INTEGRATION_TO_PHYSICAL_PREFIX + network); |
| 740 | |
| 741 | InterfaceConfig ifaceConfig = device.as(InterfaceConfig.class); |
| 742 | ifaceConfig.removePatchMode(intToPhyPatchPort); |
| 743 | } |
| 744 | |
| 745 | private void attachPhysicalPort(KubevirtNode node, |
| 746 | KubevirtPhyInterface phyInterface) { |
| 747 | |
| 748 | String physicalDeviceId = BRIDGE_PREFIX + phyInterface.network(); |
| 749 | |
| 750 | addOrRemoveSystemInterface(node, physicalDeviceId, |
| 751 | phyInterface.intf(), deviceService, true); |
| 752 | } |
| 753 | |
| 754 | private void detachPhysicalPort(KubevirtNode node, String network, String portName) { |
| 755 | String physicalDeviceId = BRIDGE_PREFIX + network; |
| 756 | |
| 757 | addOrRemoveSystemInterface(node, physicalDeviceId, portName, deviceService, false); |
| 758 | } |
| 759 | |
| 760 | /** |
| 761 | * An internal OVSDB listener. This listener is used for listening the |
| 762 | * network facing events from OVSDB device. If a new OVSDB device is detected, |
| 763 | * ONOS tries to bootstrap the kubernetes node. |
| 764 | */ |
| 765 | private class InternalOvsdbListener implements DeviceListener { |
| 766 | |
| 767 | @Override |
| 768 | public boolean isRelevant(DeviceEvent event) { |
| 769 | return event.subject().type() == Device.Type.CONTROLLER; |
| 770 | } |
| 771 | |
| 772 | private boolean isRelevantHelper() { |
| 773 | return Objects.equals(localNode, leadershipService.getLeader(appId.name())); |
| 774 | } |
| 775 | |
| 776 | @Override |
| 777 | public void event(DeviceEvent event) { |
| 778 | Device device = event.subject(); |
| 779 | |
| 780 | switch (event.type()) { |
| 781 | case DEVICE_AVAILABILITY_CHANGED: |
| 782 | case DEVICE_ADDED: |
| 783 | eventExecutor.execute(() -> { |
| 784 | |
| 785 | if (!isRelevantHelper()) { |
| 786 | return; |
| 787 | } |
| 788 | |
| 789 | KubevirtNode node = nodeAdminService.node(device.id()); |
| 790 | |
| 791 | if (node == null) { |
| 792 | return; |
| 793 | } |
| 794 | |
| 795 | if (deviceService.isAvailable(device.id())) { |
| 796 | log.debug("OVSDB {} detected", device.id()); |
| 797 | bootstrapNode(node); |
| 798 | } |
| 799 | }); |
| 800 | break; |
| 801 | case PORT_ADDED: |
| 802 | case PORT_REMOVED: |
| 803 | case DEVICE_REMOVED: |
| 804 | default: |
| 805 | // do nothing |
| 806 | break; |
| 807 | } |
| 808 | } |
| 809 | } |
| 810 | |
| 811 | /** |
| 812 | * An internal integration bridge listener. This listener is used for |
| 813 | * listening the events from integration bridge. To listen the events from |
| 814 | * other types of bridge such as provider bridge or tunnel bridge, we need |
| 815 | * to augment KubevirtNodeService.node() method. |
| 816 | */ |
| 817 | private class InternalBridgeListener implements DeviceListener { |
| 818 | |
| 819 | @Override |
| 820 | public boolean isRelevant(DeviceEvent event) { |
| 821 | return event.subject().type() == Device.Type.SWITCH; |
| 822 | } |
| 823 | |
| 824 | private boolean isRelevantHelper() { |
| 825 | return Objects.equals(localNode, leadershipService.getLeader(appId.name())); |
| 826 | } |
| 827 | |
| 828 | @Override |
| 829 | public void event(DeviceEvent event) { |
| 830 | Device device = event.subject(); |
| 831 | Port port = event.port(); |
| 832 | |
| 833 | switch (event.type()) { |
| 834 | case DEVICE_AVAILABILITY_CHANGED: |
| 835 | case DEVICE_ADDED: |
| 836 | eventExecutor.execute(() -> processDeviceAddition(device)); |
| 837 | break; |
| 838 | case PORT_UPDATED: |
| 839 | case PORT_ADDED: |
| 840 | eventExecutor.execute(() -> processPortAddition(device, port)); |
| 841 | break; |
| 842 | case PORT_REMOVED: |
| 843 | eventExecutor.execute(() -> processPortRemoval(device, port)); |
| 844 | break; |
| 845 | case DEVICE_REMOVED: |
| 846 | default: |
| 847 | // do nothing |
| 848 | break; |
| 849 | } |
| 850 | } |
| 851 | |
| 852 | void processDeviceAddition(Device device) { |
| 853 | if (!isRelevantHelper()) { |
| 854 | return; |
| 855 | } |
| 856 | |
| 857 | KubevirtNode node = nodeAdminService.node(device.id()); |
| 858 | |
| 859 | if (node == null) { |
| 860 | return; |
| 861 | } |
| 862 | |
| 863 | if (deviceService.isAvailable(device.id())) { |
| 864 | log.debug("Bridge created on {}", node.hostname()); |
| 865 | bootstrapNode(node); |
| 866 | } else if (node.state() == COMPLETE) { |
| 867 | log.info("Device {} disconnected", device.id()); |
| 868 | setState(node, INCOMPLETE); |
| 869 | } |
| 870 | |
| 871 | if (autoRecovery) { |
| 872 | if (node.state() == INCOMPLETE || node.state() == DEVICE_CREATED) { |
| 873 | log.info("Device {} is reconnected", device.id()); |
| 874 | nodeAdminService.updateNode(node.updateState(INIT)); |
| 875 | } |
| 876 | } |
| 877 | } |
| 878 | |
| 879 | void processPortAddition(Device device, Port port) { |
| 880 | if (!isRelevantHelper()) { |
| 881 | return; |
| 882 | } |
| 883 | |
| 884 | KubevirtNode node = nodeAdminService.nodeByTunBridge(device.id()); |
| 885 | |
| 886 | if (node == null) { |
| 887 | return; |
| 888 | } |
| 889 | |
| 890 | String portName = port.annotations().value(PORT_NAME); |
| 891 | if (node.state() == DEVICE_CREATED && ( |
| 892 | Objects.equals(portName, VXLAN) || |
| 893 | Objects.equals(portName, GRE) || |
| 894 | Objects.equals(portName, GENEVE))) { |
| 895 | log.info("Interface {} added or updated to {}", |
| 896 | portName, device.id()); |
| 897 | bootstrapNode(node); |
| 898 | } |
| 899 | } |
| 900 | |
| 901 | void processPortRemoval(Device device, Port port) { |
| 902 | if (!isRelevantHelper()) { |
| 903 | return; |
| 904 | } |
| 905 | |
| 906 | KubevirtNode node = nodeAdminService.node(device.id()); |
| 907 | |
| 908 | if (node == null) { |
| 909 | return; |
| 910 | } |
| 911 | |
| 912 | String portName = port.annotations().value(PORT_NAME); |
| 913 | if (node.state() == COMPLETE && ( |
| 914 | Objects.equals(portName, VXLAN) || |
| 915 | Objects.equals(portName, GRE) || |
| 916 | Objects.equals(portName, GENEVE))) { |
| 917 | log.warn("Interface {} removed from {}", portName, device.id()); |
| 918 | setState(node, INCOMPLETE); |
| 919 | } |
| 920 | } |
| 921 | } |
| 922 | |
| 923 | /** |
| 924 | * An internal kubevirt node listener. |
| 925 | * The notification is triggered by KubevirtNodeStore. |
| 926 | */ |
| 927 | private class InternalKubevirtNodeListener implements KubevirtNodeListener { |
| 928 | |
| 929 | private boolean isRelevantHelper() { |
| 930 | return Objects.equals(localNode, leadershipService.getLeader(appId.name())); |
| 931 | } |
| 932 | |
| 933 | @Override |
| 934 | public void event(KubevirtNodeEvent event) { |
| 935 | switch (event.type()) { |
| 936 | case KUBEVIRT_NODE_CREATED: |
| 937 | case KUBEVIRT_NODE_UPDATED: |
| 938 | eventExecutor.execute(() -> { |
| 939 | if (!isRelevantHelper()) { |
| 940 | return; |
| 941 | } |
| 942 | bootstrapNode(event.subject()); |
| 943 | }); |
| 944 | break; |
| 945 | case KUBEVIRT_NODE_REMOVED: |
| 946 | eventExecutor.execute(() -> { |
| 947 | if (!isRelevantHelper()) { |
| 948 | return; |
| 949 | } |
| 950 | removeNode(event.subject()); |
| 951 | }); |
| 952 | break; |
| 953 | case KUBEVIRT_NODE_INCOMPLETE: |
| 954 | default: |
| 955 | break; |
| 956 | } |
| 957 | } |
| 958 | } |
| 959 | } |