2 * Copyright (C) 2013 Red Hat, Inc.
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
8 * Authors : Madhu Venugopal, Brent Salisbury, Sam Hague, Dave Tucker
10 package org.opendaylight.ovsdb.openstack.netvirt;
12 import org.opendaylight.controller.networkconfig.neutron.NeutronNetwork;
13 import org.opendaylight.controller.sal.core.Node;
14 import org.opendaylight.controller.sal.core.NodeConnector;
15 import org.opendaylight.controller.sal.core.Property;
16 import org.opendaylight.controller.sal.core.UpdateType;
17 import org.opendaylight.controller.switchmanager.IInventoryListener;
18 import org.opendaylight.ovsdb.lib.notation.Row;
19 import org.opendaylight.ovsdb.lib.notation.UUID;
20 import org.opendaylight.ovsdb.openstack.netvirt.api.BridgeConfigurationManager;
21 import org.opendaylight.ovsdb.openstack.netvirt.api.NetworkingProviderManager;
22 import org.opendaylight.ovsdb.openstack.netvirt.api.TenantNetworkManager;
23 import org.opendaylight.ovsdb.plugin.api.OvsdbConfigurationService;
24 import org.opendaylight.ovsdb.plugin.api.OvsdbConnectionService;
25 import org.opendaylight.ovsdb.plugin.api.OvsdbInventoryListener;
26 import org.opendaylight.ovsdb.schema.openvswitch.Interface;
27 import org.opendaylight.ovsdb.schema.openvswitch.OpenVSwitch;
28 import org.opendaylight.ovsdb.schema.openvswitch.Port;
30 import com.google.common.collect.Lists;
31 import org.slf4j.Logger;
32 import org.slf4j.LoggerFactory;
34 import java.net.InetAddress;
35 import java.util.List;
38 import java.util.concurrent.BlockingQueue;
39 import java.util.concurrent.ConcurrentMap;
40 import java.util.concurrent.ExecutorService;
41 import java.util.concurrent.Executors;
42 import java.util.concurrent.LinkedBlockingQueue;
44 public class SouthboundHandler extends AbstractHandler implements OvsdbInventoryListener, IInventoryListener {
45 static final Logger logger = LoggerFactory.getLogger(SouthboundHandler.class);
46 //private Thread eventThread;
47 private ExecutorService eventHandler;
48 private BlockingQueue<SouthboundEvent> events;
51 // The implementation for each of these services is resolved by the OSGi Service Manager
52 private volatile org.opendaylight.ovsdb.openstack.netvirt.api.ConfigurationService configurationService;
53 private volatile BridgeConfigurationManager bridgeConfigurationManager;
54 private volatile TenantNetworkManager tenantNetworkManager;
55 private volatile NetworkingProviderManager networkingProviderManager;
56 private volatile OvsdbConfigurationService ovsdbConfigurationService;
57 private volatile OvsdbConnectionService connectionService;
60 eventHandler = Executors.newSingleThreadExecutor();
61 this.events = new LinkedBlockingQueue<>();
62 nodeCache = Lists.newArrayList();
66 eventHandler.submit(new Runnable() {
73 } catch (InterruptedException e) {
74 logger.info("The event handler thread was interrupted, shutting down", e);
77 switch (ev.getType()) {
80 processNodeUpdate(ev.getNode(), ev.getAction());
81 } catch (Exception e) {
82 logger.error("Exception caught in ProcessNodeUpdate for node " + ev.getNode(), e);
87 processRowUpdate(ev.getNode(), ev.getTableName(), ev.getUuid(), ev.getRow(),
88 ev.getContext(),ev.getAction());
89 } catch (Exception e) {
90 logger.error("Exception caught in ProcessRowUpdate for node " + ev.getNode(), e);
94 logger.warn("Unable to process action " + ev.getAction() + " for node " + ev.getNode());
99 this.triggerUpdates();
103 eventHandler.shutdownNow();
107 public void nodeAdded(Node node, InetAddress address, int port) {
108 this.enqueueEvent(new SouthboundEvent(node, SouthboundEvent.Action.ADD));
112 public void nodeRemoved(Node node) {
113 this.enqueueEvent(new SouthboundEvent(node, SouthboundEvent.Action.DELETE));
117 public void rowAdded(Node node, String tableName, String uuid, Row row) {
118 this.enqueueEvent(new SouthboundEvent(node, tableName, uuid, row, SouthboundEvent.Action.ADD));
122 public void rowUpdated(Node node, String tableName, String uuid, Row oldRow, Row newRow) {
123 if (this.isUpdateOfInterest(node, oldRow, newRow)) {
124 this.enqueueEvent(new SouthboundEvent(node, tableName, uuid, newRow, SouthboundEvent.Action.UPDATE));
129 * Ignore unneccesary updates to be even considered for processing.
130 * (Especially stats update are fast and furious).
133 private boolean isUpdateOfInterest(Node node, Row oldRow, Row newRow) {
134 if (oldRow == null) return true;
135 if (newRow.getTableSchema().getName().equals(ovsdbConfigurationService.getTableName(node, Interface.class))) {
136 // We are NOT interested in Stats only updates
137 Interface oldIntf = ovsdbConfigurationService.getTypedRow(node, Interface.class, oldRow);
138 if (oldIntf.getName() == null && oldIntf.getExternalIdsColumn() == null && oldIntf.getMacColumn() == null &&
139 oldIntf.getOpenFlowPortColumn() == null && oldIntf.getOptionsColumn() == null && oldIntf.getOtherConfigColumn() == null &&
140 oldIntf.getTypeColumn() == null) {
141 logger.trace("IGNORING Interface Update: node {}, row: {}", node, newRow);
144 } else if (newRow.getTableSchema().getName().equals(ovsdbConfigurationService.getTableName(node, Port.class))) {
145 // We are NOT interested in Stats only updates
146 Port oldPort = ovsdbConfigurationService.getTypedRow(node, Port.class, oldRow);
147 if (oldPort.getName() == null && oldPort.getExternalIdsColumn() == null && oldPort.getMacColumn() == null &&
148 oldPort.getInterfacesColumn() == null && oldPort.getTagColumn() == null && oldPort.getTrunksColumn() == null) {
149 logger.trace("IGNORING Port Update: node {}, row: {}", node, newRow);
152 } else if (newRow.getTableSchema().getName().equals(ovsdbConfigurationService.getTableName(node, OpenVSwitch.class))) {
153 OpenVSwitch oldOpenvSwitch = ovsdbConfigurationService.getTypedRow(node, OpenVSwitch.class, oldRow);
154 if (oldOpenvSwitch.getOtherConfigColumn()== null) {
155 /* we are only interested in other_config field change */
163 public void rowRemoved(Node node, String tableName, String uuid, Row row, Object context) {
164 this.enqueueEvent(new SouthboundEvent(node, tableName, uuid, row, context, SouthboundEvent.Action.DELETE));
167 private void enqueueEvent (SouthboundEvent event) {
170 } catch (InterruptedException e) {
171 logger.error("Thread was interrupted while trying to enqueue event ", e);
175 public void processNodeUpdate(Node node, SouthboundEvent.Action action) {
176 if (action == SouthboundEvent.Action.DELETE) return;
177 logger.trace("Process Node added {}", node);
178 bridgeConfigurationManager.prepareNode(node);
181 private void processRowUpdate(Node node, String tableName, String uuid, Row row,
182 Object context, SouthboundEvent.Action action) {
183 if (action == SouthboundEvent.Action.DELETE) {
184 if (tableName.equalsIgnoreCase(ovsdbConfigurationService.getTableName(node, Interface.class))) {
185 logger.debug("Processing update of {}. Deleted node: {}, uuid: {}, row: {}", tableName, node, uuid, row);
186 Interface deletedIntf = ovsdbConfigurationService.getTypedRow(node, Interface.class, row);
187 NeutronNetwork network = null;
188 if (context == null) {
189 network = tenantNetworkManager.getTenantNetwork(deletedIntf);
191 network = (NeutronNetwork)context;
193 List<String> phyIfName = bridgeConfigurationManager.getAllPhysicalInterfaceNames(node);
194 logger.info("Delete interface " + deletedIntf.getName());
196 if (deletedIntf.getTypeColumn().getData().equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_VXLAN) ||
197 deletedIntf.getTypeColumn().getData().equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_GRE) ||
198 phyIfName.contains(deletedIntf.getName())) {
199 /* delete tunnel interfaces or physical interfaces */
200 this.handleInterfaceDelete(node, uuid, deletedIntf, false, null);
201 } else if (network != null && !network.getRouterExternal()) {
202 logger.debug("Processing update of {}:{} node {} intf {} network {}",
203 tableName, action, node, uuid, network.getNetworkUUID());
205 ConcurrentMap<String, Row> interfaces = this.ovsdbConfigurationService
206 .getRows(node, ovsdbConfigurationService.getTableName(node, Interface.class));
207 if (interfaces != null) {
208 boolean isLastInstanceOnNode = true;
209 for (String intfUUID : interfaces.keySet()) {
210 if (intfUUID.equals(uuid)) continue;
211 Interface intf = this.ovsdbConfigurationService.getTypedRow(node, Interface.class, interfaces.get(intfUUID));
212 NeutronNetwork neutronNetwork = tenantNetworkManager.getTenantNetwork(intf);
213 if (neutronNetwork != null && neutronNetwork.equals(network)) isLastInstanceOnNode = false;
215 this.handleInterfaceDelete(node, uuid, deletedIntf, isLastInstanceOnNode, network);
217 } catch (Exception e) {
218 logger.error("Error fetching Interface Rows for node " + node, e);
223 else if (tableName.equalsIgnoreCase(ovsdbConfigurationService.getTableName(node, Interface.class))) {
224 logger.debug("Processing update of {}:{} node: {}, interface uuid: {}, row: {}",
225 tableName, action, node, uuid, row);
226 Interface intf = this.ovsdbConfigurationService.getTypedRow(node, Interface.class, row);
227 NeutronNetwork network = tenantNetworkManager.getTenantNetwork(intf);
228 if (network != null && !network.getRouterExternal()) {
229 if (networkingProviderManager.getProvider(node).hasPerTenantTunneling()) {
230 int vlan = tenantNetworkManager.networkCreated(node, network.getID());
231 String portUUID = this.getPortIdForInterface(node, uuid, intf);
232 if (portUUID != null) {
233 logger.debug("Neutron Network {}:{} Created with Internal vlan {} port {}",
234 network.getNetworkUUID(), network.getNetworkName(), vlan, portUUID);
235 tenantNetworkManager.programInternalVlan(node, portUUID, network);
237 logger.trace("Neutron Network {}:{} Created with Internal vlan {} but have no portUUID",
238 network.getNetworkUUID(), network.getNetworkName(), vlan);
241 this.handleInterfaceUpdate(node, uuid, intf);
244 } else if (tableName.equalsIgnoreCase(ovsdbConfigurationService.getTableName(node, Port.class))) {
245 logger.debug("Processing update of {}:{} node: {}, port uuid: {}, row: {}", tableName, action, node, uuid, row);
246 Port port = this.ovsdbConfigurationService.getTypedRow(node, Port.class, row);
247 Set<UUID> interfaceUUIDs = port.getInterfacesColumn().getData();
248 for (UUID intfUUID : interfaceUUIDs) {
249 logger.trace("Scanning interface "+intfUUID);
251 Row intfRow = this.ovsdbConfigurationService
252 .getRow(node, ovsdbConfigurationService.getTableName(node, Interface.class),
253 intfUUID.toString());
254 Interface intf = this.ovsdbConfigurationService.getTypedRow(node, Interface.class, intfRow);
255 NeutronNetwork network = tenantNetworkManager.getTenantNetwork(intf);
256 if (network != null && !network.getRouterExternal()) {
257 logger.debug("Processing update of {}:{} node {} intf {} network {}",
258 tableName, action, node, intfUUID, network.getNetworkUUID());
259 tenantNetworkManager.programInternalVlan(node, uuid, network);
260 this.handleInterfaceUpdate(node, intfUUID.toString(), intf);
262 logger.trace("Ignoring update because there is not a neutron network {} for port {}, interface {}",
263 network, uuid, intfUUID);
265 } catch (Exception e) {
266 logger.error("Failed to process row update", e);
269 } else if (tableName.equalsIgnoreCase(ovsdbConfigurationService.getTableName(node, OpenVSwitch.class))) {
270 logger.debug("Processing update of {}:{} node: {}, ovs uuid: {}, row: {}", tableName, action, node, uuid, row);
272 ConcurrentMap<String, Row> interfaces = this.ovsdbConfigurationService
273 .getRows(node, ovsdbConfigurationService.getTableName(node, Interface.class));
274 if (interfaces != null) {
275 for (String intfUUID : interfaces.keySet()) {
276 Interface intf = ovsdbConfigurationService.getTypedRow(node, Interface.class, interfaces.get(intfUUID));
277 this.handleInterfaceUpdate(node, intfUUID, intf);
280 } catch (Exception e) {
281 logger.error("Error fetching Interface Rows for node " + node, e);
286 private void handleInterfaceUpdate (Node node, String uuid, Interface intf) {
287 logger.trace("Interface update of node: {}, uuid: {}", node, uuid);
288 NeutronNetwork network = tenantNetworkManager.getTenantNetwork(intf);
289 if (network != null) {
290 if (bridgeConfigurationManager.createLocalNetwork(node, network))
291 networkingProviderManager.getProvider(node).handleInterfaceUpdate(network, node, intf);
293 logger.debug("No tenant network found on node: {}, uuid: {} for interface: {}", node, uuid, intf);
297 private void handleInterfaceDelete (Node node, String uuid, Interface intf, boolean isLastInstanceOnNode,
298 NeutronNetwork network) {
299 logger.debug("handleInterfaceDelete: node: {}, uuid: {}, isLastInstanceOnNode: {}, interface: {}",
300 node, uuid, isLastInstanceOnNode, intf);
302 List<String> phyIfName = bridgeConfigurationManager.getAllPhysicalInterfaceNames(node);
303 if (intf.getTypeColumn().getData().equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_VXLAN) ||
304 intf.getTypeColumn().getData().equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_GRE) ||
305 phyIfName.contains(intf.getName())) {
306 /* delete tunnel or physical interfaces */
307 networkingProviderManager.getProvider(node).handleInterfaceDelete(intf.getTypeColumn().getData(), null, node, intf, isLastInstanceOnNode);
308 } else if (network != null) {
309 if (!network.getProviderNetworkType().equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_VLAN)) { /* vlan doesn't need a tunnel endpoint */
310 if (configurationService.getTunnelEndPoint(node) == null) {
311 logger.error("Tunnel end-point configuration missing. Please configure it in OpenVSwitch Table");
315 if (isLastInstanceOnNode & networkingProviderManager.getProvider(node).hasPerTenantTunneling()) {
316 tenantNetworkManager.reclaimInternalVlan(node, uuid, network);
318 networkingProviderManager.getProvider(node).handleInterfaceDelete(network.getProviderNetworkType(), network, node, intf, isLastInstanceOnNode);
322 private String getPortIdForInterface (Node node, String uuid, Interface intf) {
324 Map<String, Row> ports = this.ovsdbConfigurationService.getRows(node, ovsdbConfigurationService.getTableName(node, Port.class));
325 if (ports == null) return null;
326 for (String portUUID : ports.keySet()) {
327 Port port = ovsdbConfigurationService.getTypedRow(node, Port.class, ports.get(portUUID));
328 Set<UUID> interfaceUUIDs = port.getInterfacesColumn().getData();
329 logger.trace("Scanning Port {} to identify interface : {} ",port, uuid);
330 for (UUID intfUUID : interfaceUUIDs) {
331 if (intfUUID.toString().equalsIgnoreCase(uuid)) {
332 logger.trace("Found Interface {} -> {}", uuid, portUUID);
337 } catch (Exception e) {
338 logger.debug("Failed to get Port tag for for Intf {}:{}", intf, e);
344 public void notifyNode(Node node, UpdateType type, Map<String, Property> propMap) {
345 logger.debug("notifyNode: Node {} update {} from Controller's inventory Service", node, type);
347 // Add the Node Type check back once the Consistency issue is resolved between MD-SAL and AD-SAL
348 if (!type.equals(UpdateType.REMOVED) && !nodeCache.contains(node)) {
350 networkingProviderManager.getProvider(node).initializeOFFlowRules(node);
351 } else if (type.equals(UpdateType.REMOVED)){
352 nodeCache.remove(node);
357 public void notifyNodeConnector(NodeConnector nodeConnector, UpdateType type, Map<String, Property> propMap) {
358 //We are not interested in the nodeConnectors at this moment
361 private void triggerUpdates() {
362 List<Node> nodes = connectionService.getNodes();
363 if (nodes == null) return;
364 for (Node node : nodes) {
366 List<String> tableNames = ovsdbConfigurationService.getTables(node);
367 if (tableNames == null) continue;
368 for (String tableName : tableNames) {
369 Map<String, Row> rows = ovsdbConfigurationService.getRows(node, tableName);
370 if (rows == null) continue;
371 for (String uuid : rows.keySet()) {
372 Row row = rows.get(uuid);
373 this.rowAdded(node, tableName, uuid, row);
376 } catch (Exception e) {
377 logger.error("Exception during OVSDB Southbound update trigger", e);