+/*
+ * Copyright (C) 2013 Red Hat, Inc.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Authors : Madhu Venugopal, Brent Salisbury
+ */
package org.opendaylight.ovsdb.neutron;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.LinkedBlockingQueue;
+
+import org.opendaylight.controller.networkconfig.neutron.NeutronNetwork;
import org.opendaylight.controller.sal.core.Node;
+import org.opendaylight.ovsdb.lib.notation.UUID;
+import org.opendaylight.ovsdb.lib.table.Interface;
+import org.opendaylight.ovsdb.lib.table.Open_vSwitch;
+import org.opendaylight.ovsdb.lib.table.Port;
import org.opendaylight.ovsdb.lib.table.internal.Table;
+import org.opendaylight.ovsdb.neutron.provider.ProviderNetworkManager;
import org.opendaylight.ovsdb.plugin.OVSDBInventoryListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class SouthboundHandler extends BaseHandler implements OVSDBInventoryListener {
static final Logger logger = LoggerFactory.getLogger(SouthboundHandler.class);
+ //private Thread eventThread;
+ private ExecutorService eventHandler;
+ private BlockingQueue<SouthboundEvent> events;
+
+ void init() {
+ eventHandler = Executors.newSingleThreadExecutor();
+ this.events = new LinkedBlockingQueue<SouthboundEvent>();
+ }
+
+ void start() {
+ eventHandler.submit(new Runnable() {
+ @Override
+ public void run() {
+ while (true) {
+ SouthboundEvent ev;
+ try {
+ ev = events.take();
+ } catch (InterruptedException e) {
+ logger.info("The event handler thread was interrupted, shutting down", e);
+ return;
+ }
+ switch (ev.getType()) {
+ case NODE:
+ try {
+ processNodeUpdate(ev.getNode(), ev.getAction());
+ } catch (Exception e) {
+ logger.error("Exception caught in ProcessNodeUpdate for node " + ev.getNode(), e);
+ }
+ break;
+ case ROW:
+ try {
+ processRowUpdate(ev.getNode(), ev.getTableName(), ev.getUuid(), ev.getRow(), ev.getAction());
+ } catch (Exception e) {
+ logger.error("Exception caught in ProcessRowUpdate for node " + ev.getNode(), e);
+ }
+ break;
+ default:
+ logger.warn("Unable to process action " + ev.getAction() + " for node " + ev.getNode());
+ }
+ }
+ }
+ });
+ }
+
+ void stop() {
+ eventHandler.shutdownNow();
+ }
+
@Override
public void nodeAdded(Node node) {
- logger.debug("NODE ADDED {}", node);
+ this.enqueueEvent(new SouthboundEvent(node, SouthboundEvent.Action.ADD));
}
@Override
public void nodeRemoved(Node node) {
- logger.debug("NODE REMOVED {}", node);
+ this.enqueueEvent(new SouthboundEvent(node, SouthboundEvent.Action.DELETE));
+ }
+
+ @Override
+ public void rowAdded(Node node, String tableName, String uuid, Table<?> row) {
+ this.enqueueEvent(new SouthboundEvent(node, tableName, uuid, row, SouthboundEvent.Action.ADD));
}
@Override
- public void rowAdded(Node node, String tableName, Table<?> row) {
- logger.debug("ROW ADDED {} , {}", node, row);
+ public void rowUpdated(Node node, String tableName, String uuid, Table<?> oldRow, Table<?> newRow) {
+ if (this.isUpdateOfInterest(oldRow, newRow)) {
+ this.enqueueEvent(new SouthboundEvent(node, tableName, uuid, newRow, SouthboundEvent.Action.UPDATE));
+ }
+ }
+
+ /*
+ * Ignore unneccesary updates to be even considered for processing.
+ * (Especially stats update are fast and furious).
+ */
+
+ private boolean isUpdateOfInterest(Table<?> oldRow, Table<?> newRow) {
+ if (oldRow == null) return true;
+ if (newRow.getTableName().equals(Interface.NAME)) {
+ // We are NOT interested in Stats only updates
+ Interface oldIntf = (Interface)oldRow;
+ if (oldIntf.getName() == null && oldIntf.getExternal_ids() == null && oldIntf.getMac() == null &&
+ oldIntf.getOfport() == null && oldIntf.getOptions() == null && oldIntf.getOther_config() == null &&
+ oldIntf.getType() == null) {
+ logger.trace("IGNORING Interface Update : "+newRow.toString());
+ return false;
+ }
+ } else if (newRow.getTableName().equals(Port.NAME)) {
+ // We are NOT interested in Stats only updates
+ Port oldPort = (Port)oldRow;
+ if (oldPort.getName() == null && oldPort.getExternal_ids() == null && oldPort.getMac() == null &&
+ oldPort.getInterfaces() == null && oldPort.getTag() == null && oldPort.getTrunks() == null) {
+ logger.trace("IGNORING Port Update : "+newRow.toString());
+ return false;
+ }
+ }
+ return true;
}
@Override
- public void rowRemoved(Node node, String tableName, Table<?> row) {
- logger.debug("ROW REMOVED {} , {}", node, row);
+ public void rowRemoved(Node node, String tableName, String uuid, Table<?> row) {
+ this.enqueueEvent(new SouthboundEvent(node, tableName, uuid, row, SouthboundEvent.Action.DELETE));
+ }
+
+ private void enqueueEvent (SouthboundEvent event) {
+ try {
+ events.put(event);
+ } catch (InterruptedException e) {
+ logger.error("Thread was interrupted while trying to enqueue event ", e);
+ }
+
+ }
+
+ public void processNodeUpdate(Node node, SouthboundEvent.Action action) {
+ if (action == SouthboundEvent.Action.DELETE) return;
+ logger.trace("Process Node added {}", node);
+ InternalNetworkManager.getManager().prepareInternalNetwork(node);
+ }
+
+ private void processRowUpdate(Node node, String tableName, String uuid, Table<?> row,
+ SouthboundEvent.Action action) {
+ if (action == SouthboundEvent.Action.DELETE) return;
+
+ if (Interface.NAME.getName().equalsIgnoreCase(tableName)) {
+ logger.debug("{} Added / Updated {} , {}, {}", tableName, node, uuid, row);
+ Interface intf = (Interface)row;
+ NeutronNetwork network = TenantNetworkManager.getManager().getTenantNetworkForInterface(intf);
+ if (network != null && !network.getRouterExternal()) {
+ int vlan = TenantNetworkManager.getManager().networkCreated(network.getID());
+ logger.trace("Neutron Network {} Created with Internal Vlan : {}", network.toString(), vlan);
+
+ String portUUID = this.getPortIdForInterface(node, uuid, intf);
+ if (portUUID != null) {
+ TenantNetworkManager.getManager().programTenantNetworkInternalVlan(node, portUUID, network);
+ }
+ this.createTunnels(node, uuid, intf);
+ }
+ } else if (Port.NAME.getName().equalsIgnoreCase(tableName)) {
+ logger.debug("{} Added / Updated {} , {}, {}", tableName, node, uuid, row);
+ Port port = (Port)row;
+ Set<UUID> interfaceUUIDs = port.getInterfaces();
+ for (UUID intfUUID : interfaceUUIDs) {
+ logger.trace("Scanning interface "+intfUUID);
+ try {
+ Interface intf = (Interface)this.ovsdbConfigService.getRow(node, Interface.NAME.getName(), intfUUID.toString());
+ NeutronNetwork network = TenantNetworkManager.getManager().getTenantNetworkForInterface(intf);
+ if (network != null && !network.getRouterExternal()) {
+ TenantNetworkManager.getManager().programTenantNetworkInternalVlan(node, uuid, network);
+ }
+ } catch (Exception e) {
+ logger.error("Failed to process row update", e);
+ }
+ }
+ } else if (Open_vSwitch.NAME.getName().equalsIgnoreCase(tableName)) {
+ logger.debug("{} Added / Updated {} , {}, {}", tableName, node, uuid, row);
+ AdminConfigManager.getManager().populateTunnelEndpoint(node);
+ try {
+ Map<String, Table<?>> interfaces = this.ovsdbConfigService.getRows(node, Interface.NAME.getName());
+ if (interfaces != null) {
+ for (String intfUUID : interfaces.keySet()) {
+ Interface intf = (Interface) interfaces.get(intfUUID);
+ createTunnels(node, intfUUID, intf);
+ }
+ }
+ } catch (Exception e) {
+ logger.error("Error fetching Interface Rows for node " + node, e);
+ }
+ }
+ }
+
+ private void createTunnels (Node node, String uuid, Interface intf) {
+ if (AdminConfigManager.getManager().getTunnelEndPoint(node) == null) {
+ logger.error("Tunnel end-point configuration missing. Please configure it in Open_vSwitch Table");
+ return;
+ }
+ NeutronNetwork network = TenantNetworkManager.getManager().getTenantNetworkForInterface(intf);
+ if (network != null) {
+ ProviderNetworkManager.getManager().createTunnels(network.getProviderNetworkType(),
+ network.getProviderSegmentationID(), node, intf);
+ }
+ }
+
+ private String getPortIdForInterface (Node node, String uuid, Interface intf) {
+ try {
+ Map<String, Table<?>> ports = this.ovsdbConfigService.getRows(node, Port.NAME.getName());
+ if (ports == null) return null;
+ for (String portUUID : ports.keySet()) {
+ Port port = (Port)ports.get(portUUID);
+ Set<UUID> interfaceUUIDs = port.getInterfaces();
+ logger.trace("Scanning Port {} to identify interface : {} ",port, uuid);
+ for (UUID intfUUID : interfaceUUIDs) {
+ if (intfUUID.toString().equalsIgnoreCase(uuid)) {
+ logger.trace("Found Interafce {} -> {}", uuid, portUUID);
+ return portUUID;
+ }
+ }
+ }
+ } catch (Exception e) {
+ logger.debug("Failed to add Port tag for for Intf {}",intf, e);
+ }
+ return null;
}
}
Code Review / netvirt.git / blobdiff