openstack/net-virt/src/main/java/org/opendaylight/ovsdb/openstack/netvirt/SouthboundHandler.java

   1 /*
   2  * Copyright (C) 2013 Red Hat, Inc.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.ovsdb.openstack.netvirt;
   9
  10 import java.util.List;
  11
  12 import org.opendaylight.neutron.spi.NeutronNetwork;
  13 import org.opendaylight.ovsdb.openstack.netvirt.api.*;
  14 import org.opendaylight.ovsdb.openstack.netvirt.impl.NeutronL3Adapter;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  18 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  19 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  20 import org.opendaylight.yangtools.yang.binding.DataObject;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 /**
  25  * @author Madhu Venugopal
  26  * @author Brent Salisbury
  27  * @author Dave Tucker
  28  * @author Sam Hague (shague@redhat.com)
  29  */
  30 public class SouthboundHandler extends AbstractHandler
  31         implements NodeCacheListener, OvsdbInventoryListener {
  32     static final Logger logger = LoggerFactory.getLogger(SouthboundHandler.class);
  33
  34     // The implementation for each of these services is resolved by the OSGi Service Manager
  35     private volatile ConfigurationService configurationService;
  36     private volatile BridgeConfigurationManager bridgeConfigurationManager;
  37     private volatile TenantNetworkManager tenantNetworkManager;
  38     private volatile NetworkingProviderManager networkingProviderManager;
  39     private volatile OvsdbConnectionService connectionService;
  40     private volatile NeutronL3Adapter neutronL3Adapter;
  41     private volatile NodeCacheManager nodeCacheManager = null;
  42
  43     void start() {
  44         this.triggerUpdates();
  45     }
  46
  47     void init() {
  48         logger.info(">>>>>> init {}", this.getClass());
  49     }
  50
  51     private SouthboundEvent.Type ovsdbTypeToSouthboundEventType(OvsdbType ovsdbType) {
  52         SouthboundEvent.Type type = SouthboundEvent.Type.NODE;
  53
  54         switch (ovsdbType) {
  55             case NODE:
  56                 type = SouthboundEvent.Type.NODE;
  57                 break;
  58             case BRIDGE:
  59                 type = SouthboundEvent.Type.BRIDGE;
  60                 break;
  61             case PORT:
  62                 type = SouthboundEvent.Type.PORT;
  63                 break;
  64             case CONTROLLER:
  65                 type = SouthboundEvent.Type.CONTROLLER;
  66                 break;
  67             case OPENVSWITCH:
  68                 type = SouthboundEvent.Type.OPENVSWITCH;
  69                 break;
  70             default:
  71                 logger.warn("Invalid OvsdbType: {}", ovsdbType);
  72                 break;
  73         }
  74         return type;
  75     }
  76
  77     @Override
  78     public void ovsdbUpdate(Node node, DataObject resourceAugmentationData, OvsdbType ovsdbType, Action action) {
  79         logger.info("ovsdbUpdate: {} - {} - <<{}>> <<{}>>", ovsdbType, action, node, resourceAugmentationData);
  80         this.enqueueEvent(new SouthboundEvent(node, resourceAugmentationData,
  81                 ovsdbTypeToSouthboundEventType(ovsdbType), action));
  82     }
  83
  84     private void handleInterfaceUpdate (Node node, OvsdbTerminationPointAugmentation tp) {
  85         logger.debug("handleInterfaceUpdate <{}> <{}>", node, tp);
  86         NeutronNetwork network = tenantNetworkManager.getTenantNetwork(tp);
  87         if (network != null && !network.getRouterExternal()) {
  88             logger.trace("handleInterfaceUpdate <{}> <{}> network: {}", node, tp, network.getNetworkUUID());
  89             neutronL3Adapter.handleInterfaceEvent(node, tp, network, Action.UPDATE);
  90             if (bridgeConfigurationManager.createLocalNetwork(node, network)) {
  91                 networkingProviderManager.getProvider(node).handleInterfaceUpdate(network, node, tp);
  92             }
  93         } else {
  94             logger.debug("No tenant network found on node: <{}> for interface: <{}>", node, tp);
  95         }
  96     }
  97
  98     private void handleInterfaceDelete (Node node, OvsdbTerminationPointAugmentation intf,
  99                                         boolean isLastInstanceOnNode, NeutronNetwork network) {
 100         logger.debug("handleInterfaceDelete: node: <{}>, isLastInstanceOnNode: {}, interface: <{}>",
 101                 node, isLastInstanceOnNode, intf);
 102
 103         neutronL3Adapter.handleInterfaceEvent(node, intf, network, Action.DELETE);
 104         List<String> phyIfName = bridgeConfigurationManager.getAllPhysicalInterfaceNames(node);
 105         if (isInterfaceOfInterest(intf, phyIfName)) {
 106             // delete tunnel or physical interfaces
 107             networkingProviderManager.getProvider(node).handleInterfaceDelete(network.getProviderNetworkType(),
 108                     network, node, intf, isLastInstanceOnNode);
 109         } else if (network != null) {
 110             // vlan doesn't need a tunnel endpoint
 111             if (!network.getProviderNetworkType().equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_VLAN)) {
 112                 if (configurationService.getTunnelEndPoint(node) == null) {
 113                     logger.error("Tunnel end-point configuration missing. Please configure it in OpenVSwitch Table");
 114                     return;
 115                 }
 116             }
 117             networkingProviderManager.getProvider(node).handleInterfaceDelete(network.getProviderNetworkType(),
 118                     network, node, intf, isLastInstanceOnNode);
 119         }
 120     }
 121
 122     private void triggerUpdates() {
 123         List<Node> nodes = null; // nodeCacheManager.getBridgeNodes();
 124         if (nodes == null) return;
 125         for (Node node : nodes) {
 126             OvsdbBridgeAugmentation bridge = node.getAugmentation(OvsdbBridgeAugmentation.class);
 127             if (bridge != null) {
 128                 processBridgeUpdate(node, bridge);
 129             }
 130
 131             List<TerminationPoint> tps = MdsalUtils.extractTerminationPoints(node);
 132             for (TerminationPoint tp : tps) {
 133                 OvsdbTerminationPointAugmentation port = tp.getAugmentation(OvsdbTerminationPointAugmentation.class);
 134                 if (port != null) {
 135                     processPortUpdate(node, port);
 136                 }
 137             }
 138         }
 139     }
 140
 141     private void processPortDelete(Node node, OvsdbTerminationPointAugmentation ovsdbTerminationPointAugmentation,
 142                                    Object context) {
 143         logger.debug("processPortDelete <{}> <{}>", node, ovsdbTerminationPointAugmentation);
 144         NeutronNetwork network = null;
 145         if (context == null) {
 146             network = tenantNetworkManager.getTenantNetwork(ovsdbTerminationPointAugmentation);
 147         } else {
 148             network = (NeutronNetwork)context;
 149         }
 150         List<String> phyIfName = bridgeConfigurationManager.getAllPhysicalInterfaceNames(node);
 151         if (isInterfaceOfInterest(ovsdbTerminationPointAugmentation, phyIfName)) {
 152             if (network != null) {
 153                 this.handleInterfaceDelete(node, ovsdbTerminationPointAugmentation, false, network);
 154             } else {
 155                 logger.warn("processPortDelete: network was null, ignoring update");
 156             }
 157         } else if (network != null && !network.getRouterExternal()) {
 158             logger.debug("Network {}: Delete interface {} attached to bridge {}", network.getNetworkUUID(),
 159                     ovsdbTerminationPointAugmentation.getInterfaceUuid(), node.getNodeId());
 160             try {
 161                 OvsdbBridgeAugmentation ovsdbBridgeAugmentation = MdsalUtils.getBridge(node);
 162                 if (ovsdbBridgeAugmentation != null) {
 163                     List<TerminationPoint> terminationPoints = node.getTerminationPoint();
 164                     if (!terminationPoints.isEmpty()){
 165                         boolean isLastInstanceOnNode = true;
 166                         for (TerminationPoint terminationPoint : terminationPoints) {
 167                             OvsdbTerminationPointAugmentation tpAugmentation =
 168                                     terminationPoint.getAugmentation( OvsdbTerminationPointAugmentation.class);
 169                             if (tpAugmentation.getInterfaceUuid().equals(
 170                                     ovsdbTerminationPointAugmentation.getInterfaceUuid())) {
 171                                 continue;
 172                             }
 173                             NeutronNetwork neutronNetwork = tenantNetworkManager.getTenantNetwork(tpAugmentation);
 174                             if (neutronNetwork != null && neutronNetwork.equals(network)) {
 175                                 isLastInstanceOnNode = false;
 176                                 break;
 177                             }
 178                         }
 179                         this.handleInterfaceDelete(node, ovsdbTerminationPointAugmentation,
 180                                 isLastInstanceOnNode, network);
 181                     }
 182                 }
 183             } catch (Exception e) {
 184                 logger.error("Error fetching Interface Rows for node " + node, e);
 185             }
 186         }
 187     }
 188
 189     private boolean isInterfaceOfInterest(OvsdbTerminationPointAugmentation terminationPoint, List<String> phyIfName) {
 190         logger.warn("isInterfaceOfInterest: getInterfaceType: {}", terminationPoint.getInterfaceType());
 191         return (MdsalHelper.createOvsdbInterfaceType(
 192                 terminationPoint.getInterfaceType()).equals(NetworkHandler.NETWORK_TYPE_VXLAN)
 193                 ||
 194                 MdsalHelper.createOvsdbInterfaceType(
 195                         terminationPoint.getInterfaceType()).equals(NetworkHandler.NETWORK_TYPE_GRE)
 196                 ||
 197                 phyIfName.contains(terminationPoint.getName()));
 198     }
 199
 200     /**
 201      * Notification about an OpenFlow Node
 202      *
 203      * @param node the {@link Node Node} of interest in the notification
 204      * @param action the {@link Action}
 205      * @see NodeCacheListener#notifyNode
 206      */
 207     @Override
 208     public void notifyNode (Node node, Action action) {
 209         logger.info("notifyNode: action: {}, Node <{}>", action, node);
 210
 211         if (action.equals(Action.ADD)) {
 212             if (MdsalUtils.getBridge(node) != null) {
 213                 networkingProviderManager.getProvider(node).initializeOFFlowRules(node);
 214             }
 215         }
 216     }
 217
 218     /**
 219      * Process the event.
 220      *
 221      * @param abstractEvent the {@link org.opendaylight.ovsdb.openstack.netvirt.AbstractEvent} event to be handled.
 222      * @see org.opendaylight.ovsdb.openstack.netvirt.api.EventDispatcher
 223      */
 224     @Override
 225     public void processEvent(AbstractEvent abstractEvent) {
 226         if (!(abstractEvent instanceof SouthboundEvent)) {
 227             logger.error("processEvent: Unable to process abstract event {}", abstractEvent);
 228             return;
 229         }
 230         SouthboundEvent ev = (SouthboundEvent) abstractEvent;
 231         logger.debug("processEvent: {}", ev);
 232         switch (ev.getType()) {
 233             case NODE:
 234                 processOvsdbNodeEvent(ev);
 235                 break;
 236
 237             case BRIDGE:
 238                 processBridgeEvent(ev);
 239                 break;
 240
 241             case PORT:
 242                 processPortEvent(ev);
 243                 break;
 244
 245             case OPENVSWITCH:
 246                 processOpenVSwitchEvent(ev);
 247                 break;
 248
 249             default:
 250                 logger.warn("Unable to process type " + ev.getType() +
 251                         " action " + ev.getAction() + " for node " + ev.getNode());
 252                 break;
 253         }
 254         logger.warn("processEvent done");
 255     }
 256
 257     private void processOvsdbNodeEvent(SouthboundEvent ev) {
 258         switch (ev.getAction()) {
 259             case ADD:
 260                 processOvsdbNodeCreate(ev.getNode(), (OvsdbNodeAugmentation) ev.getAugmentationData());
 261                 break;
 262             case UPDATE:
 263                 processOvsdbNodeUpdate(ev.getNode(), (OvsdbNodeAugmentation) ev.getAugmentationData());
 264                 break;
 265             case DELETE:
 266                 processOvsdbNodeDelete(ev.getNode(), (OvsdbNodeAugmentation) ev.getAugmentationData());
 267                 break;
 268         }
 269     }
 270
 271     private void processOvsdbNodeCreate(Node node, OvsdbNodeAugmentation ovsdbNode) {
 272         logger.info("processOvsdbNodeCreate <{}> <{}>", node, ovsdbNode);
 273         nodeCacheManager.nodeAdded(node);
 274         bridgeConfigurationManager.prepareNode(node);
 275     }
 276
 277     private void processOvsdbNodeUpdate(Node node, OvsdbNodeAugmentation ovsdbNode) {
 278         logger.info("processOvsdbNodeUpdate <{}> <{}>", node, ovsdbNode);
 279         nodeCacheManager.nodeAdded(node);
 280     }
 281
 282     private void processOvsdbNodeDelete(Node node, OvsdbNodeAugmentation ovsdbNode) {
 283         logger.info("processOvsdbNodeDelete <{}> <{}>", node, ovsdbNode);
 284         nodeCacheManager.nodeRemoved(node);
 285         /* TODO SB_MIGRATION
 286         * I don't think we want to do this yet
 287         InstanceIdentifier<Node> bridgeNodeIid =
 288                 MdsalHelper.createInstanceIdentifier(ovsdbNode.getConnectionInfo(),
 289                         Constants.INTEGRATION_BRIDGE);
 290         MdsalUtils.delete(LogicalDatastoreType.CONFIGURATION, bridgeNodeIid);
 291         */
 292     }
 293
 294     private void processPortEvent(SouthboundEvent ev) {
 295         switch (ev.getAction()) {
 296             case ADD:
 297             case UPDATE:
 298                 processPortUpdate(ev.getNode(), (OvsdbTerminationPointAugmentation) ev.getAugmentationData());
 299                 break;
 300             case DELETE:
 301                 processPortDelete(ev.getNode(), (OvsdbTerminationPointAugmentation) ev.getAugmentationData(), null);
 302                 break;
 303         }
 304     }
 305
 306     private void processPortUpdate(Node node, OvsdbTerminationPointAugmentation port) {
 307         logger.debug("processPortUpdate <{}> <{}>", node, port);
 308         NeutronNetwork network = tenantNetworkManager.getTenantNetwork(port);
 309         if (network != null && !network.getRouterExternal()) {
 310             this.handleInterfaceUpdate(node, port);
 311         }
 312     }
 313
 314     private void processOpenVSwitchEvent(SouthboundEvent ev) {
 315         switch (ev.getAction()) {
 316             case ADD:
 317             case UPDATE:
 318                 processOpenVSwitchUpdate(ev.getNode());
 319                 break;
 320             case DELETE:
 321                 break;
 322         }
 323     }
 324
 325     private void processOpenVSwitchUpdate(Node node) {
 326         logger.debug("processOpenVSwitchUpdate {}", node);
 327         // TODO this node might be the OvsdbNode and not have termination points
 328         // Would need to change listener or grab tp nodes in here.
 329         List<TerminationPoint> terminationPoints = MdsalUtils.extractTerminationPoints(node);
 330         for (TerminationPoint terminationPoint : terminationPoints) {
 331             processPortUpdate(node, terminationPoint.getAugmentation(OvsdbTerminationPointAugmentation.class));
 332         }
 333     }
 334
 335     private void processBridgeEvent(SouthboundEvent ev) {
 336         switch (ev.getAction()) {
 337             case ADD:
 338                 processBridgeCreate(ev.getNode(), (OvsdbBridgeAugmentation) ev.getAugmentationData());
 339                 break;
 340             case UPDATE:
 341                 processBridgeUpdate(ev.getNode(), (OvsdbBridgeAugmentation) ev.getAugmentationData());
 342                 break;
 343             case DELETE:
 344                 processBridgeDelete(ev.getNode(), (OvsdbBridgeAugmentation) ev.getAugmentationData());
 345                 break;
 346         }
 347     }
 348
 349     private boolean isMainBridge(Node node, OvsdbBridgeAugmentation bridge) {
 350         boolean rv = false;
 351         String nodeIdStr = node.getNodeId().getValue();
 352         String bridgeName = nodeIdStr.substring(nodeIdStr.lastIndexOf('/') + 1);
 353         List<TerminationPoint> terminationPoints = MdsalUtils.extractTerminationPoints(node);
 354         if (terminationPoints != null && terminationPoints.size() == 1) {
 355         }
 356         OvsdbTerminationPointAugmentation port = MdsalUtils.extractTerminationPointAugmentation(node, bridgeName);
 357         if (port != null) {
 358             String datapathId = MdsalUtils.getDatapathId(bridge);
 359             // Having a datapathId means the ovsdb node has connected to ODL
 360             if (datapathId != null) {
 361                 rv = true;
 362             } else {
 363                 logger.info("datapathId not found");
 364             }
 365         }
 366         return rv;
 367     }
 368
 369     private void processBridgeCreate(Node node, OvsdbBridgeAugmentation bridge) {
 370         logger.debug("processBridgeCreate <{}> <{}>", node, bridge);
 371         String datapathId = MdsalUtils.getDatapathId(bridge);
 372         // Having a datapathId means the ovsdb node has connected to ODL
 373         if (datapathId != null) {
 374             nodeCacheManager.nodeAdded(node);
 375         } else {
 376             logger.info("processBridgeCreate datapathId not found");
 377         }
 378     }
 379
 380     private void processBridgeUpdate(Node node, OvsdbBridgeAugmentation bridge) {
 381         logger.debug("processBridgeUpdate <{}> <{}>", node, bridge);
 382         String datapathId = MdsalUtils.getDatapathId(bridge);
 383         // Having a datapathId means the ovsdb node has connected to ODL
 384         if (datapathId != null) {
 385             nodeCacheManager.nodeAdded(node);
 386         } else {
 387             logger.info("processBridgeUpdate datapathId not found");
 388         }
 389     }
 390
 391     private void processBridgeDelete(Node node, OvsdbBridgeAugmentation bridge) {
 392         logger.debug("processBridgeDelete: Delete bridge from config data store: <{}> <{}>",
 393                 node, bridge);
 394         nodeCacheManager.nodeRemoved(node);
 395         // TODO SB_MIGRATION
 396         // Not sure if we want to do this yet
 397         MdsalUtils.deleteBridge(node);
 398     }
 399 }