Hyunsun Moon | b77b60f | 2016-01-15 20:03:18 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2014-2015 Open Networking Laboratory |
| 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.cordvtn; |
| 17 | |
| 18 | import com.google.common.collect.Sets; |
| 19 | import org.apache.felix.scr.annotations.Activate; |
| 20 | import org.apache.felix.scr.annotations.Component; |
| 21 | import org.apache.felix.scr.annotations.Deactivate; |
| 22 | import org.apache.felix.scr.annotations.Reference; |
| 23 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 24 | import org.apache.felix.scr.annotations.Service; |
| 25 | import org.onlab.util.ItemNotFoundException; |
| 26 | import org.onlab.util.KryoNamespace; |
| 27 | import org.onosproject.cluster.ClusterService; |
| 28 | import org.onosproject.core.ApplicationId; |
| 29 | import org.onosproject.core.CoreService; |
| 30 | import org.onosproject.mastership.MastershipService; |
| 31 | import org.onosproject.net.ConnectPoint; |
| 32 | import org.onosproject.net.DefaultAnnotations; |
| 33 | import org.onosproject.net.Device; |
| 34 | import org.onosproject.net.DeviceId; |
| 35 | import org.onosproject.net.Host; |
| 36 | import org.onosproject.net.Port; |
| 37 | import org.onosproject.net.behaviour.BridgeConfig; |
| 38 | import org.onosproject.net.behaviour.BridgeName; |
| 39 | import org.onosproject.net.behaviour.ControllerInfo; |
| 40 | import org.onosproject.net.behaviour.DefaultTunnelDescription; |
| 41 | import org.onosproject.net.behaviour.TunnelConfig; |
| 42 | import org.onosproject.net.behaviour.TunnelDescription; |
| 43 | import org.onosproject.net.behaviour.TunnelName; |
| 44 | import org.onosproject.net.config.ConfigFactory; |
| 45 | import org.onosproject.net.config.NetworkConfigEvent; |
| 46 | import org.onosproject.net.config.NetworkConfigListener; |
| 47 | import org.onosproject.net.config.NetworkConfigRegistry; |
| 48 | import org.onosproject.net.config.NetworkConfigService; |
| 49 | import org.onosproject.net.config.basics.SubjectFactories; |
| 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.net.driver.DriverHandler; |
| 55 | import org.onosproject.net.driver.DriverService; |
| 56 | import org.onosproject.net.flow.FlowRuleService; |
| 57 | import org.onosproject.net.group.GroupService; |
| 58 | import org.onosproject.net.host.HostService; |
| 59 | import org.onosproject.ovsdb.controller.OvsdbClientService; |
| 60 | import org.onosproject.ovsdb.controller.OvsdbController; |
| 61 | import org.onosproject.ovsdb.controller.OvsdbNodeId; |
| 62 | import org.onosproject.store.serializers.KryoNamespaces; |
| 63 | import org.onosproject.store.service.ConsistentMap; |
| 64 | import org.onosproject.store.service.Serializer; |
| 65 | import org.onosproject.store.service.StorageService; |
| 66 | import org.slf4j.Logger; |
| 67 | |
| 68 | import java.util.ArrayList; |
| 69 | import java.util.HashMap; |
| 70 | import java.util.List; |
| 71 | import java.util.Map; |
| 72 | import java.util.concurrent.ExecutorService; |
| 73 | |
| 74 | import static com.google.common.base.Preconditions.checkNotNull; |
| 75 | import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor; |
| 76 | import static org.onlab.util.Tools.groupedThreads; |
| 77 | import static org.onosproject.net.Device.Type.SWITCH; |
| 78 | import static org.onosproject.net.behaviour.TunnelDescription.Type.VXLAN; |
| 79 | import static org.slf4j.LoggerFactory.getLogger; |
| 80 | |
| 81 | /** |
| 82 | * Reads node information from the network config file and handles the config |
| 83 | * update events. |
| 84 | * Only a leader controller performs the node addition or deletion. |
| 85 | */ |
| 86 | @Component(immediate = true) |
| 87 | @Service(value = CordVtnNodeManager.class) |
| 88 | public class CordVtnNodeManager { |
| 89 | |
| 90 | protected final Logger log = getLogger(getClass()); |
| 91 | |
| 92 | private static final KryoNamespace.Builder NODE_SERIALIZER = KryoNamespace.newBuilder() |
| 93 | .register(KryoNamespaces.API) |
| 94 | .register(CordVtnNode.class) |
| 95 | .register(NodeState.class); |
| 96 | |
| 97 | private static final String DEFAULT_BRIDGE = "br-int"; |
| 98 | private static final String DEFAULT_TUNNEL = "vxlan"; |
| 99 | private static final String VPORT_PREFIX = "tap"; |
| 100 | private static final String OK = "OK"; |
| 101 | private static final String NO = "NO"; |
| 102 | |
| 103 | private static final Map<String, String> DEFAULT_TUNNEL_OPTIONS = new HashMap<String, String>() { |
| 104 | { |
| 105 | put("key", "flow"); |
| 106 | put("remote_ip", "flow"); |
| 107 | } |
| 108 | }; |
| 109 | private static final int DPID_BEGIN = 3; |
| 110 | private static final int OFPORT = 6653; |
| 111 | |
| 112 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 113 | protected CoreService coreService; |
| 114 | |
| 115 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 116 | protected NetworkConfigRegistry configRegistry; |
| 117 | |
| 118 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 119 | protected NetworkConfigService configService; |
| 120 | |
| 121 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 122 | protected StorageService storageService; |
| 123 | |
| 124 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 125 | protected DeviceAdminService adminService; |
| 126 | |
| 127 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 128 | protected OvsdbController controller; |
| 129 | |
| 130 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 131 | protected ClusterService clusterService; |
| 132 | |
| 133 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 134 | protected DriverService driverService; |
| 135 | |
| 136 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 137 | protected DeviceService deviceService; |
| 138 | |
| 139 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 140 | protected HostService hostService; |
| 141 | |
| 142 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 143 | protected FlowRuleService flowRuleService; |
| 144 | |
| 145 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 146 | protected MastershipService mastershipService; |
| 147 | |
| 148 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 149 | protected GroupService groupService; |
| 150 | |
| 151 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 152 | protected CordVtnService cordVtnService; |
| 153 | |
| 154 | private final ConfigFactory configFactory = |
| 155 | new ConfigFactory(SubjectFactories.APP_SUBJECT_FACTORY, CordVtnConfig.class, "cordvtn") { |
| 156 | @Override |
| 157 | public CordVtnConfig createConfig() { |
| 158 | return new CordVtnConfig(); |
| 159 | } |
| 160 | }; |
| 161 | |
| 162 | private final ExecutorService eventExecutor = |
| 163 | newSingleThreadScheduledExecutor(groupedThreads("onos/cordvtncfg", "event-handler")); |
| 164 | |
| 165 | private final NetworkConfigListener configListener = new InternalConfigListener(); |
| 166 | private final DeviceListener deviceListener = new InternalDeviceListener(); |
| 167 | |
| 168 | private final OvsdbHandler ovsdbHandler = new OvsdbHandler(); |
| 169 | private final BridgeHandler bridgeHandler = new BridgeHandler(); |
| 170 | |
| 171 | private ConsistentMap<CordVtnNode, NodeState> nodeStore; |
| 172 | private CordVtnRuleInstaller ruleInstaller; |
| 173 | private ApplicationId appId; |
| 174 | |
| 175 | private enum NodeState { |
| 176 | |
| 177 | INIT { |
| 178 | @Override |
| 179 | public void process(CordVtnNodeManager nodeManager, CordVtnNode node) { |
| 180 | nodeManager.connectOvsdb(node); |
| 181 | } |
| 182 | }, |
| 183 | OVSDB_CONNECTED { |
| 184 | @Override |
| 185 | public void process(CordVtnNodeManager nodeManager, CordVtnNode node) { |
| 186 | if (!nodeManager.getOvsdbConnectionState(node)) { |
| 187 | nodeManager.connectOvsdb(node); |
| 188 | } else { |
| 189 | nodeManager.createIntegrationBridge(node); |
| 190 | } |
| 191 | } |
| 192 | }, |
| 193 | BRIDGE_CREATED { |
| 194 | @Override |
| 195 | public void process(CordVtnNodeManager nodeManager, CordVtnNode node) { |
| 196 | if (!nodeManager.getOvsdbConnectionState(node)) { |
| 197 | nodeManager.connectOvsdb(node); |
| 198 | } else { |
| 199 | nodeManager.createTunnelInterface(node); |
| 200 | } |
| 201 | } |
| 202 | }, |
| 203 | COMPLETE { |
| 204 | @Override |
| 205 | public void process(CordVtnNodeManager nodeManager, CordVtnNode node) { |
| 206 | nodeManager.postInit(node); |
| 207 | } |
| 208 | }, |
| 209 | INCOMPLETE { |
| 210 | @Override |
| 211 | public void process(CordVtnNodeManager nodeManager, CordVtnNode node) { |
| 212 | } |
| 213 | }; |
| 214 | |
| 215 | // TODO Add physical port add state |
| 216 | |
| 217 | public abstract void process(CordVtnNodeManager nodeManager, CordVtnNode node); |
| 218 | } |
| 219 | |
| 220 | @Activate |
| 221 | protected void active() { |
| 222 | appId = coreService.getAppId(CordVtnService.CORDVTN_APP_ID); |
| 223 | |
| 224 | nodeStore = storageService.<CordVtnNode, NodeState>consistentMapBuilder() |
| 225 | .withSerializer(Serializer.using(NODE_SERIALIZER.build())) |
| 226 | .withName("cordvtn-nodestore") |
| 227 | .withApplicationId(appId) |
| 228 | .build(); |
| 229 | |
| 230 | ruleInstaller = new CordVtnRuleInstaller(appId, flowRuleService, |
| 231 | deviceService, |
| 232 | driverService, |
| 233 | groupService, |
| 234 | mastershipService, |
| 235 | DEFAULT_TUNNEL); |
| 236 | |
| 237 | deviceService.addListener(deviceListener); |
| 238 | configService.addListener(configListener); |
| 239 | configRegistry.registerConfigFactory(configFactory); |
| 240 | } |
| 241 | |
| 242 | @Deactivate |
| 243 | protected void deactivate() { |
| 244 | configRegistry.unregisterConfigFactory(configFactory); |
| 245 | configService.removeListener(configListener); |
| 246 | deviceService.removeListener(deviceListener); |
| 247 | |
| 248 | eventExecutor.shutdown(); |
| 249 | nodeStore.clear(); |
| 250 | } |
| 251 | |
| 252 | /** |
| 253 | * Adds a new node to the service. |
| 254 | * |
| 255 | * @param node cordvtn node |
| 256 | */ |
| 257 | public void addNode(CordVtnNode node) { |
| 258 | checkNotNull(node); |
| 259 | |
| 260 | nodeStore.putIfAbsent(node, checkNodeState(node)); |
| 261 | initNode(node); |
| 262 | } |
| 263 | |
| 264 | /** |
| 265 | * Deletes a node from the service. |
| 266 | * |
| 267 | * @param node cordvtn node |
| 268 | */ |
| 269 | public void deleteNode(CordVtnNode node) { |
| 270 | checkNotNull(node); |
| 271 | |
| 272 | if (getOvsdbConnectionState(node)) { |
| 273 | disconnectOvsdb(node); |
| 274 | } |
| 275 | |
| 276 | nodeStore.remove(node); |
| 277 | } |
| 278 | |
| 279 | /** |
| 280 | * Initiates node to serve virtual tenant network. |
| 281 | * |
| 282 | * @param node cordvtn node |
| 283 | */ |
| 284 | public void initNode(CordVtnNode node) { |
| 285 | checkNotNull(node); |
| 286 | |
| 287 | if (!nodeStore.containsKey(node)) { |
| 288 | log.warn("Node {} does not exist, add node first", node.hostname()); |
| 289 | return; |
| 290 | } |
| 291 | |
| 292 | NodeState state = checkNodeState(node); |
| 293 | state.process(this, node); |
| 294 | } |
| 295 | |
| 296 | /** |
| 297 | * Returns node initialization state. |
| 298 | * |
| 299 | * @param node cordvtn node |
| 300 | * @return true if initial node setup is completed, otherwise false |
| 301 | */ |
| 302 | public boolean getNodeInitState(CordVtnNode node) { |
| 303 | checkNotNull(node); |
| 304 | |
| 305 | NodeState state = getNodeState(node); |
| 306 | return state != null && state.equals(NodeState.COMPLETE); |
| 307 | } |
| 308 | |
| 309 | /** |
| 310 | * Returns detailed node initialization state. |
| 311 | * Return string includes the following information. |
| 312 | * |
| 313 | * Integration bridge created/connected: OK or NO |
| 314 | * VXLAN interface created: OK or NO |
| 315 | * Physical interface added: OK or NO |
| 316 | * |
| 317 | * @param node cordvtn node |
| 318 | * @return string including detailed node init state |
| 319 | */ |
| 320 | public String checkNodeInitState(CordVtnNode node) { |
| 321 | checkNotNull(node); |
| 322 | |
| 323 | NodeState state = getNodeState(node); |
| 324 | if (state == null) { |
| 325 | log.warn("Failed to get init state of {}", node.hostname()); |
| 326 | return null; |
| 327 | } |
| 328 | |
| 329 | String result = String.format( |
| 330 | "Integration bridge created/connected : %s (%s)%n" + |
| 331 | "VXLAN interface created : %s%n" + |
| 332 | "Physical interface added : %s (%s)", |
| 333 | checkIntegrationBridge(node) ? OK : NO, DEFAULT_BRIDGE, |
| 334 | checkTunnelInterface(node) ? OK : NO, |
| 335 | checkPhyInterface(node) ? OK : NO, node.phyPortName()); |
| 336 | |
| 337 | return result; |
| 338 | } |
| 339 | |
| 340 | /** |
| 341 | * Returns the number of the nodes known to the service. |
| 342 | * |
| 343 | * @return number of nodes |
| 344 | */ |
| 345 | public int getNodeCount() { |
| 346 | return nodeStore.size(); |
| 347 | } |
| 348 | |
| 349 | /** |
| 350 | * Returns all nodes known to the service. |
| 351 | * |
| 352 | * @return list of nodes |
| 353 | */ |
| 354 | public List<CordVtnNode> getNodes() { |
| 355 | List<CordVtnNode> nodes = new ArrayList<>(); |
| 356 | nodes.addAll(nodeStore.keySet()); |
| 357 | return nodes; |
| 358 | } |
| 359 | |
| 360 | /** |
| 361 | * Returns cordvtn node associated with a given OVSDB device. |
| 362 | * |
| 363 | * @param ovsdbId OVSDB device id |
| 364 | * @return cordvtn node, null if it fails to find the node |
| 365 | */ |
| 366 | private CordVtnNode getNodeByOvsdbId(DeviceId ovsdbId) { |
| 367 | return getNodes().stream() |
| 368 | .filter(node -> node.ovsdbId().equals(ovsdbId)) |
| 369 | .findFirst().orElse(null); |
| 370 | } |
| 371 | |
| 372 | /** |
| 373 | * Returns cordvtn node associated with a given integration bridge. |
| 374 | * |
| 375 | * @param bridgeId device id of integration bridge |
| 376 | * @return cordvtn node, null if it fails to find the node |
| 377 | */ |
| 378 | private CordVtnNode getNodeByBridgeId(DeviceId bridgeId) { |
| 379 | return getNodes().stream() |
| 380 | .filter(node -> node.intBrId().equals(bridgeId)) |
| 381 | .findFirst().orElse(null); |
| 382 | } |
| 383 | |
| 384 | /** |
| 385 | * Returns state of a given cordvtn node. |
| 386 | * |
| 387 | * @param node cordvtn node |
| 388 | * @return node state, or null if no such node exists |
| 389 | */ |
| 390 | private NodeState getNodeState(CordVtnNode node) { |
| 391 | checkNotNull(node); |
| 392 | |
| 393 | try { |
| 394 | return nodeStore.get(node).value(); |
| 395 | } catch (NullPointerException e) { |
| 396 | log.error("Failed to get state of {}", node.hostname()); |
| 397 | return null; |
| 398 | } |
| 399 | } |
| 400 | |
| 401 | /** |
| 402 | * Sets a new state for a given cordvtn node. |
| 403 | * |
| 404 | * @param node cordvtn node |
| 405 | * @param newState new node state |
| 406 | */ |
| 407 | private void setNodeState(CordVtnNode node, NodeState newState) { |
| 408 | checkNotNull(node); |
| 409 | |
| 410 | log.debug("Changed {} state: {}", node.hostname(), newState.toString()); |
| 411 | |
| 412 | nodeStore.put(node, newState); |
| 413 | newState.process(this, node); |
| 414 | } |
| 415 | |
| 416 | /** |
| 417 | * Checks current state of a given cordvtn node and returns it. |
| 418 | * |
| 419 | * @param node cordvtn node |
| 420 | * @return node state |
| 421 | */ |
| 422 | private NodeState checkNodeState(CordVtnNode node) { |
| 423 | checkNotNull(node); |
| 424 | |
| 425 | if (checkIntegrationBridge(node) && checkTunnelInterface(node)) { |
| 426 | // TODO add physical port add state |
| 427 | if (checkPhyInterface(node)) { |
| 428 | return NodeState.COMPLETE; |
| 429 | } else { |
| 430 | return NodeState.INCOMPLETE; |
| 431 | } |
| 432 | } else if (checkIntegrationBridge(node)) { |
| 433 | return NodeState.BRIDGE_CREATED; |
| 434 | } else if (getOvsdbConnectionState(node)) { |
| 435 | return NodeState.OVSDB_CONNECTED; |
| 436 | } else { |
| 437 | return NodeState.INIT; |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | /** |
| 442 | * Performs tasks after node initialization. |
| 443 | * It disconnects unnecessary OVSDB connection and installs initial flow |
| 444 | * rules on the device. |
| 445 | * |
| 446 | * @param node cordvtn node |
| 447 | */ |
| 448 | private void postInit(CordVtnNode node) { |
| 449 | disconnectOvsdb(node); |
| 450 | |
| 451 | ruleInstaller.init(node.intBrId(), node.phyPortName(), node.localIp()); |
| 452 | |
| 453 | // add existing hosts to the service |
| 454 | deviceService.getPorts(node.intBrId()).stream() |
| 455 | .filter(port -> getPortName(port).startsWith(VPORT_PREFIX) && |
| 456 | port.isEnabled()) |
| 457 | .forEach(port -> cordVtnService.addServiceVm(node, getConnectPoint(port))); |
| 458 | |
| 459 | // remove stale hosts from the service |
| 460 | hostService.getHosts().forEach(host -> { |
| 461 | Port port = deviceService.getPort(host.location().deviceId(), host.location().port()); |
| 462 | if (port == null) { |
| 463 | cordVtnService.removeServiceVm(getConnectPoint(host)); |
| 464 | } |
| 465 | }); |
| 466 | |
| 467 | log.info("Finished init {}", node.hostname()); |
| 468 | } |
| 469 | |
| 470 | /** |
| 471 | * Returns port name. |
| 472 | * |
| 473 | * @param port port |
| 474 | * @return port name |
| 475 | */ |
| 476 | private String getPortName(Port port) { |
| 477 | return port.annotations().value("portName"); |
| 478 | } |
| 479 | |
| 480 | /** |
| 481 | * Returns connection state of OVSDB server for a given node. |
| 482 | * |
| 483 | * @param node cordvtn node |
| 484 | * @return true if it is connected, false otherwise |
| 485 | */ |
| 486 | private boolean getOvsdbConnectionState(CordVtnNode node) { |
| 487 | checkNotNull(node); |
| 488 | |
| 489 | OvsdbClientService ovsdbClient = getOvsdbClient(node); |
| 490 | return deviceService.isAvailable(node.ovsdbId()) && |
| 491 | ovsdbClient != null && ovsdbClient.isConnected(); |
| 492 | } |
| 493 | |
| 494 | /** |
| 495 | * Connects to OVSDB server for a given node. |
| 496 | * |
| 497 | * @param node cordvtn node |
| 498 | */ |
| 499 | private void connectOvsdb(CordVtnNode node) { |
| 500 | checkNotNull(node); |
| 501 | |
| 502 | if (!nodeStore.containsKey(node)) { |
| 503 | log.warn("Node {} does not exist", node.hostname()); |
| 504 | return; |
| 505 | } |
| 506 | |
| 507 | if (!getOvsdbConnectionState(node)) { |
| 508 | controller.connect(node.ovsdbIp(), node.ovsdbPort()); |
| 509 | } |
| 510 | } |
| 511 | |
| 512 | /** |
| 513 | * Disconnects OVSDB server for a given node. |
| 514 | * |
| 515 | * @param node cordvtn node |
| 516 | */ |
| 517 | private void disconnectOvsdb(CordVtnNode node) { |
| 518 | checkNotNull(node); |
| 519 | |
| 520 | if (!nodeStore.containsKey(node)) { |
| 521 | log.warn("Node {} does not exist", node.hostname()); |
| 522 | return; |
| 523 | } |
| 524 | |
| 525 | if (getOvsdbConnectionState(node)) { |
| 526 | OvsdbClientService ovsdbClient = getOvsdbClient(node); |
| 527 | ovsdbClient.disconnect(); |
| 528 | } |
| 529 | } |
| 530 | |
| 531 | /** |
| 532 | * Returns OVSDB client for a given node. |
| 533 | * |
| 534 | * @param node cordvtn node |
| 535 | * @return OVSDB client, or null if it fails to get OVSDB client |
| 536 | */ |
| 537 | private OvsdbClientService getOvsdbClient(CordVtnNode node) { |
| 538 | checkNotNull(node); |
| 539 | |
| 540 | OvsdbClientService ovsdbClient = controller.getOvsdbClient( |
| 541 | new OvsdbNodeId(node.ovsdbIp(), node.ovsdbPort().toInt())); |
| 542 | if (ovsdbClient == null) { |
| 543 | log.trace("Couldn't find OVSDB client for {}", node.hostname()); |
| 544 | } |
| 545 | return ovsdbClient; |
| 546 | } |
| 547 | |
| 548 | /** |
| 549 | * Creates an integration bridge for a given node. |
| 550 | * |
| 551 | * @param node cordvtn node |
| 552 | */ |
| 553 | private void createIntegrationBridge(CordVtnNode node) { |
| 554 | if (checkIntegrationBridge(node)) { |
| 555 | return; |
| 556 | } |
| 557 | |
| 558 | List<ControllerInfo> controllers = new ArrayList<>(); |
| 559 | Sets.newHashSet(clusterService.getNodes()).stream() |
| 560 | .forEach(controller -> { |
| 561 | ControllerInfo ctrlInfo = new ControllerInfo(controller.ip(), OFPORT, "tcp"); |
| 562 | controllers.add(ctrlInfo); |
| 563 | }); |
| 564 | |
| 565 | String dpid = node.intBrId().toString().substring(DPID_BEGIN); |
| 566 | |
| 567 | try { |
| 568 | DriverHandler handler = driverService.createHandler(node.ovsdbId()); |
| 569 | BridgeConfig bridgeConfig = handler.behaviour(BridgeConfig.class); |
| 570 | bridgeConfig.addBridge(BridgeName.bridgeName(DEFAULT_BRIDGE), dpid, controllers); |
| 571 | } catch (ItemNotFoundException e) { |
| 572 | log.warn("Failed to create integration bridge on {}", node.ovsdbId()); |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | /** |
| 577 | * Creates tunnel interface to the integration bridge for a given node. |
| 578 | * |
| 579 | * @param node cordvtn node |
| 580 | */ |
| 581 | private void createTunnelInterface(CordVtnNode node) { |
| 582 | if (checkTunnelInterface(node)) { |
| 583 | return; |
| 584 | } |
| 585 | |
| 586 | DefaultAnnotations.Builder optionBuilder = DefaultAnnotations.builder(); |
| 587 | for (String key : DEFAULT_TUNNEL_OPTIONS.keySet()) { |
| 588 | optionBuilder.set(key, DEFAULT_TUNNEL_OPTIONS.get(key)); |
| 589 | } |
| 590 | |
| 591 | TunnelDescription description = new DefaultTunnelDescription( |
| 592 | null, null, VXLAN, TunnelName.tunnelName(DEFAULT_TUNNEL), |
| 593 | optionBuilder.build()); |
| 594 | |
| 595 | try { |
| 596 | DriverHandler handler = driverService.createHandler(node.ovsdbId()); |
| 597 | TunnelConfig tunnelConfig = handler.behaviour(TunnelConfig.class); |
| 598 | tunnelConfig.createTunnelInterface(BridgeName.bridgeName(DEFAULT_BRIDGE), description); |
| 599 | } catch (ItemNotFoundException e) { |
| 600 | log.warn("Failed to create tunnel interface on {}", node.ovsdbId()); |
| 601 | } |
| 602 | } |
| 603 | |
| 604 | /** |
| 605 | * Checks if integration bridge exists and available. |
| 606 | * |
| 607 | * @param node cordvtn node |
| 608 | * @return true if the bridge is available, false otherwise |
| 609 | */ |
| 610 | private boolean checkIntegrationBridge(CordVtnNode node) { |
| 611 | return (deviceService.getDevice(node.intBrId()) != null |
| 612 | && deviceService.isAvailable(node.intBrId())); |
| 613 | } |
| 614 | |
| 615 | /** |
| 616 | * Checks if tunnel interface exists. |
| 617 | * |
| 618 | * @param node cordvtn node |
| 619 | * @return true if the interface exists, false otherwise |
| 620 | */ |
| 621 | private boolean checkTunnelInterface(CordVtnNode node) { |
| 622 | return deviceService.getPorts(node.intBrId()) |
| 623 | .stream() |
| 624 | .filter(p -> getPortName(p).contains(DEFAULT_TUNNEL) && |
| 625 | p.isEnabled()) |
| 626 | .findAny().isPresent(); |
| 627 | } |
| 628 | |
| 629 | /** |
| 630 | * Checks if physical interface exists. |
| 631 | * |
| 632 | * @param node cordvtn node |
| 633 | * @return true if the interface exists, false otherwise |
| 634 | */ |
| 635 | private boolean checkPhyInterface(CordVtnNode node) { |
| 636 | return deviceService.getPorts(node.intBrId()) |
| 637 | .stream() |
| 638 | .filter(p -> getPortName(p).contains(node.phyPortName()) && |
| 639 | p.isEnabled()) |
| 640 | .findAny().isPresent(); |
| 641 | } |
| 642 | |
| 643 | /** |
| 644 | * Returns connect point of a given port. |
| 645 | * |
| 646 | * @param port port |
| 647 | * @return connect point |
| 648 | */ |
| 649 | private ConnectPoint getConnectPoint(Port port) { |
| 650 | return new ConnectPoint(port.element().id(), port.number()); |
| 651 | } |
| 652 | |
| 653 | /** |
| 654 | * Returns connect point of a given host. |
| 655 | * |
| 656 | * @param host host |
| 657 | * @return connect point |
| 658 | */ |
| 659 | private ConnectPoint getConnectPoint(Host host) { |
| 660 | return new ConnectPoint(host.location().deviceId(), host.location().port()); |
| 661 | } |
| 662 | |
| 663 | private class OvsdbHandler implements ConnectionHandler<Device> { |
| 664 | |
| 665 | @Override |
| 666 | public void connected(Device device) { |
| 667 | CordVtnNode node = getNodeByOvsdbId(device.id()); |
| 668 | if (node != null) { |
| 669 | setNodeState(node, checkNodeState(node)); |
| 670 | } else { |
| 671 | log.debug("{} is detected on unregistered node, ignore it.", device.id()); |
| 672 | } |
| 673 | } |
| 674 | |
| 675 | @Override |
| 676 | public void disconnected(Device device) { |
| 677 | if (!deviceService.isAvailable(device.id())) { |
| 678 | adminService.removeDevice(device.id()); |
| 679 | } |
| 680 | } |
| 681 | } |
| 682 | |
| 683 | private class BridgeHandler implements ConnectionHandler<Device> { |
| 684 | |
| 685 | @Override |
| 686 | public void connected(Device device) { |
| 687 | CordVtnNode node = getNodeByBridgeId(device.id()); |
| 688 | if (node != null) { |
| 689 | setNodeState(node, checkNodeState(node)); |
| 690 | } else { |
| 691 | log.debug("{} is detected on unregistered node, ignore it.", device.id()); |
| 692 | } |
| 693 | } |
| 694 | |
| 695 | @Override |
| 696 | public void disconnected(Device device) { |
| 697 | CordVtnNode node = getNodeByBridgeId(device.id()); |
| 698 | if (node != null) { |
| 699 | log.debug("Integration Bridge is disconnected from {}", node.hostname()); |
| 700 | setNodeState(node, NodeState.INCOMPLETE); |
| 701 | } |
| 702 | } |
| 703 | |
| 704 | /** |
| 705 | * Handles port added situation. |
| 706 | * If the added port is tunnel or physical port, proceed remaining node |
| 707 | * initialization. Otherwise, do nothing. |
| 708 | * |
| 709 | * @param port port |
| 710 | */ |
| 711 | public void portAdded(Port port) { |
| 712 | CordVtnNode node = getNodeByBridgeId((DeviceId) port.element().id()); |
| 713 | String portName = getPortName(port); |
| 714 | |
| 715 | if (node == null) { |
| 716 | log.debug("{} is added to unregistered node, ignore it.", portName); |
| 717 | return; |
| 718 | } |
| 719 | |
| 720 | log.debug("Port {} is added to {}", portName, node.hostname()); |
| 721 | |
| 722 | if (portName.startsWith(VPORT_PREFIX)) { |
| 723 | if (getNodeInitState(node)) { |
| 724 | cordVtnService.addServiceVm(node, getConnectPoint(port)); |
| 725 | } else { |
| 726 | log.debug("VM is detected on incomplete node, ignore it.", portName); |
| 727 | } |
| 728 | } else if (portName.contains(DEFAULT_TUNNEL) || portName.equals(node.phyPortName())) { |
| 729 | setNodeState(node, checkNodeState(node)); |
| 730 | } |
| 731 | } |
| 732 | |
| 733 | /** |
| 734 | * Handles port removed situation. |
| 735 | * If the removed port is tunnel or physical port, proceed remaining node |
| 736 | * initialization.Others, do nothing. |
| 737 | * |
| 738 | * @param port port |
| 739 | */ |
| 740 | public void portRemoved(Port port) { |
| 741 | CordVtnNode node = getNodeByBridgeId((DeviceId) port.element().id()); |
| 742 | String portName = getPortName(port); |
| 743 | |
| 744 | if (node == null) { |
| 745 | return; |
| 746 | } |
| 747 | |
| 748 | log.debug("Port {} is removed from {}", portName, node.hostname()); |
| 749 | |
| 750 | if (portName.startsWith(VPORT_PREFIX)) { |
| 751 | if (getNodeInitState(node)) { |
| 752 | cordVtnService.removeServiceVm(getConnectPoint(port)); |
| 753 | } else { |
| 754 | log.debug("VM is vanished from incomplete node, ignore it.", portName); |
| 755 | } |
| 756 | } else if (portName.contains(DEFAULT_TUNNEL) || portName.equals(node.phyPortName())) { |
| 757 | setNodeState(node, NodeState.INCOMPLETE); |
| 758 | } |
| 759 | } |
| 760 | } |
| 761 | |
| 762 | private class InternalDeviceListener implements DeviceListener { |
| 763 | |
| 764 | @Override |
| 765 | public void event(DeviceEvent event) { |
| 766 | |
| 767 | Device device = event.subject(); |
| 768 | ConnectionHandler<Device> handler = |
| 769 | (device.type().equals(SWITCH) ? bridgeHandler : ovsdbHandler); |
| 770 | |
| 771 | switch (event.type()) { |
| 772 | case PORT_ADDED: |
| 773 | eventExecutor.submit(() -> bridgeHandler.portAdded(event.port())); |
| 774 | break; |
| 775 | case PORT_UPDATED: |
| 776 | if (!event.port().isEnabled()) { |
| 777 | eventExecutor.submit(() -> bridgeHandler.portRemoved(event.port())); |
| 778 | } |
| 779 | break; |
| 780 | case DEVICE_ADDED: |
| 781 | case DEVICE_AVAILABILITY_CHANGED: |
| 782 | if (deviceService.isAvailable(device.id())) { |
| 783 | eventExecutor.submit(() -> handler.connected(device)); |
| 784 | } else { |
| 785 | eventExecutor.submit(() -> handler.disconnected(device)); |
| 786 | } |
| 787 | break; |
| 788 | default: |
| 789 | break; |
| 790 | } |
| 791 | } |
| 792 | } |
| 793 | |
| 794 | /** |
| 795 | * Reads node configuration from config file. |
| 796 | */ |
| 797 | private void readConfiguration() { |
| 798 | CordVtnConfig config = configRegistry.getConfig(appId, CordVtnConfig.class); |
| 799 | |
| 800 | if (config == null) { |
| 801 | log.warn("No configuration found"); |
| 802 | return; |
| 803 | } |
| 804 | |
| 805 | config.cordVtnNodes().forEach(node -> { |
| 806 | CordVtnNode cordVtnNode = new CordVtnNode( |
| 807 | node.hostname(), |
| 808 | node.ovsdbIp(), |
| 809 | node.ovsdbPort(), |
| 810 | node.bridgeId(), |
| 811 | node.phyPortName(), |
| 812 | node.localIp()); |
| 813 | |
| 814 | addNode(cordVtnNode); |
| 815 | }); |
| 816 | } |
| 817 | |
| 818 | private class InternalConfigListener implements NetworkConfigListener { |
| 819 | |
| 820 | @Override |
| 821 | public void event(NetworkConfigEvent event) { |
| 822 | if (!event.configClass().equals(CordVtnConfig.class)) { |
| 823 | return; |
| 824 | } |
| 825 | |
| 826 | switch (event.type()) { |
| 827 | case CONFIG_ADDED: |
| 828 | log.info("Network configuration added"); |
| 829 | eventExecutor.execute(CordVtnNodeManager.this::readConfiguration); |
| 830 | break; |
| 831 | case CONFIG_UPDATED: |
| 832 | log.info("Network configuration updated"); |
| 833 | eventExecutor.execute(CordVtnNodeManager.this::readConfiguration); |
| 834 | break; |
| 835 | default: |
| 836 | break; |
| 837 | } |
| 838 | } |
| 839 | } |
| 840 | } |