+/*
+ * 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, Sam Hague, Dave Tucker
+ */
package org.opendaylight.ovsdb.neutron;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.ConcurrentMap;
+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.controller.sal.core.NodeConnector;
+import org.opendaylight.controller.sal.core.Property;
+import org.opendaylight.controller.sal.core.UpdateType;
+import org.opendaylight.controller.switchmanager.IInventoryListener;
+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.IProviderNetworkManager;
import org.opendaylight.ovsdb.plugin.OVSDBInventoryListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-public class SouthboundHandler extends BaseHandler implements OVSDBInventoryListener {
+public class SouthboundHandler extends BaseHandler implements OVSDBInventoryListener, IInventoryListener {
static final Logger logger = LoggerFactory.getLogger(SouthboundHandler.class);
+ //private Thread eventThread;
+ private ExecutorService eventHandler;
+ private BlockingQueue<SouthboundEvent> events;
+ List<Node> nodeCache;
+
+ // The implementation for each of these services is resolved by the OSGi Service Manager
+ private volatile IAdminConfigManager adminConfigManager;
+ private volatile IInternalNetworkManager internalNetworkManager;
+ private volatile ITenantNetworkManager tenantNetworkManager;
+ private volatile IProviderNetworkManager providerNetworkManager;
+
+ void init() {
+ eventHandler = Executors.newSingleThreadExecutor();
+ this.events = new LinkedBlockingQueue<SouthboundEvent>();
+ nodeCache = new ArrayList<>();
+ }
+
+ 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.getContext(),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());
+ }
+ }
+ }
+ });
+ this.triggerUpdates();
+ }
+
+ void stop() {
+ eventHandler.shutdownNow();
+ }
+
@Override
public void nodeAdded(Node node) {
- logger.debug("NODE ADDED {}", node);
- AdminConfigManager.getManager().populateTunnelEndpoint(node);
- InternalNetworkManager.getManager().prepareInternalNetwork(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 rowUpdated(Node node, String tableName, String uuid, Table<?> oldRow, Table<?> newRow) {
+ if (this.isUpdateOfInterest(node, 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(Node node, 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: node {}, row: {}", node, newRow);
+ 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: node {}, row: {}", node, newRow);
+ return false;
+ }
+ } else if (newRow.getTableName().equals(Open_vSwitch.NAME)) {
+ Open_vSwitch oldOpenvSwitch = (Open_vSwitch) oldRow;
+ if (oldOpenvSwitch.getOther_config()== null) {
+ /* we are only interested in other_config field change */
+ return false;
+ }
+ }
+ return true;
+ }
+
+ @Override
+ public void rowRemoved(Node node, String tableName, String uuid, Table<?> row, Object context) {
+ this.enqueueEvent(new SouthboundEvent(node, tableName, uuid, row, context, 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.prepareInternalNetwork(node);
+ }
+
+ private void processRowUpdate(Node node, String tableName, String uuid, Table<?> row,
+ Object context, SouthboundEvent.Action action) {
+ if (action == SouthboundEvent.Action.DELETE) {
+ if (Interface.NAME.getName().equalsIgnoreCase(tableName)) {
+ logger.debug("processRowUpdate: {} Deleted node: {}, uuid: {}, row: {}", tableName, node, uuid, row);
+ Interface deletedIntf = (Interface)row;
+ NeutronNetwork network = null;
+ if (context == null) {
+ network = tenantNetworkManager.getTenantNetworkForInterface(deletedIntf);
+ } else {
+ network = (NeutronNetwork)context;
+ }
+ List<String> phyIfName = adminConfigManager.getAllPhysicalInterfaceNames(node);
+ logger.info("Delete interface " + deletedIntf.getName());
+
+ if (deletedIntf.getType().equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_VXLAN) ||
+ deletedIntf.getType().equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_GRE) ||
+ phyIfName.contains(deletedIntf.getName())) {
+ /* delete tunnel interfaces or physical interfaces */
+ this.handleInterfaceDelete(node, uuid, deletedIntf, false, null);
+ } else if (network != null && !network.getRouterExternal()) {
+ try {
+ ConcurrentMap<String, Table<?>> interfaces = this.ovsdbConfigService.getRows(node, Interface.NAME.getName());
+ if (interfaces != null) {
+ boolean isLastInstanceOnNode = true;
+ for (String intfUUID : interfaces.keySet()) {
+ if (intfUUID.equals(uuid)) continue;
+ Interface intf = (Interface) interfaces.get(intfUUID);
+ NeutronNetwork neutronNetwork = tenantNetworkManager.getTenantNetworkForInterface(intf);
+ if (neutronNetwork != null && neutronNetwork.equals(network)) isLastInstanceOnNode = false;
+ }
+ this.handleInterfaceDelete(node, uuid, deletedIntf, isLastInstanceOnNode, network);
+ }
+ } catch (Exception e) {
+ logger.error("Error fetching Interface Rows for node " + node, e);
+ }
+ }
+ }
+ }
+ else if (Interface.NAME.getName().equalsIgnoreCase(tableName)) {
+ logger.debug("processRowUpdate: {} Added / Updated node: {}, uuid: {}, row: {}", tableName, node, uuid, row);
+ Interface intf = (Interface)row;
+ NeutronNetwork network = tenantNetworkManager.getTenantNetworkForInterface(intf);
+ if (network != null && !network.getRouterExternal()) {
+ if (providerNetworkManager.getProvider().hasPerTenantTunneling()) {
+ int vlan = tenantNetworkManager.networkCreated(node, network.getID());
+ logger.trace("Neutron Network {}:{} Created with Internal Vlan: {}", network.getNetworkUUID(), network.getNetworkName(), vlan);
+
+ String portUUID = this.getPortIdForInterface(node, uuid, intf);
+ if (portUUID != null) {
+ tenantNetworkManager.programTenantNetworkInternalVlan(node, portUUID, network);
+ }
+ }
+ this.handleInterfaceUpdate(node, uuid, intf);
+ }
+ } else if (Port.NAME.getName().equalsIgnoreCase(tableName)) {
+ logger.debug("processRowUpdate: {} Added / Updated node: {}, uuid: {}, row: {}", 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.getTenantNetworkForInterface(intf);
+ if (network != null && !network.getRouterExternal()) {
+ tenantNetworkManager.programTenantNetworkInternalVlan(node, uuid, network);
+ this.handleInterfaceUpdate(node, intfUUID.toString(), intf);
+ } else {
+ logger.trace("ignore update because there is not a neutron network.");
+ }
+ } catch (Exception e) {
+ logger.error("Failed to process row update", e);
+ }
+ }
+ } else if (Open_vSwitch.NAME.getName().equalsIgnoreCase(tableName)) {
+ logger.debug("processRowUpdate: {} Added / Updated node: {}, uuid: {}, row: {}", tableName, node, uuid, row);
+ try {
+ ConcurrentMap<String, Table<?>> interfaces = this.ovsdbConfigService.getRows(node, Interface.NAME.getName());
+ if (interfaces != null) {
+ for (String intfUUID : interfaces.keySet()) {
+ Interface intf = (Interface) interfaces.get(intfUUID);
+ this.handleInterfaceUpdate(node, intfUUID, intf);
+ }
+ }
+ } catch (Exception e) {
+ logger.error("Error fetching Interface Rows for node " + node, e);
+ }
+ }
+ }
+
+ private void handleInterfaceUpdate (Node node, String uuid, Interface intf) {
+ logger.debug("handleInterfaceUpdate: node: {}, uuid: {}", node, uuid);
+ NeutronNetwork network = tenantNetworkManager.getTenantNetworkForInterface(intf);
+ if (network != null) {
+ if (internalNetworkManager.checkAndCreateNetwork(node, network)) {
+ providerNetworkManager.getProvider().handleInterfaceUpdate(network, node, intf);
+ }
+ }
+ }
+
+ private void handleInterfaceDelete (Node node, String uuid, Interface intf, boolean isLastInstanceOnNode,
+ NeutronNetwork network) {
+ logger.debug("handleInterfaceDelete: node: {}, uuid: {}, isLastInstanceOnNode: {}, interface: {}",
+ node, uuid, isLastInstanceOnNode, intf);
+
+ List<String> phyIfName = adminConfigManager.getAllPhysicalInterfaceNames(node);
+ if (intf.getType().equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_VXLAN) ||
+ intf.getType().equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_GRE) ||
+ phyIfName.contains(intf.getName())) {
+ /* delete tunnel or physical interfaces */
+ providerNetworkManager.getProvider().handleInterfaceDelete(intf.getType(), null, node, intf, isLastInstanceOnNode);
+ } else if (network != null) {
+ if (!network.getProviderNetworkType().equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_VLAN)) { /* vlan doesn't need a tunnel endpoint */
+ if (adminConfigManager.getTunnelEndPoint(node) == null) {
+ logger.error("Tunnel end-point configuration missing. Please configure it in Open_vSwitch Table");
+ return;
+ }
+ }
+ if (isLastInstanceOnNode & providerNetworkManager.getProvider().hasPerTenantTunneling()) {
+ tenantNetworkManager.reclaimTenantNetworkInternalVlan(node, uuid, network);
+ }
+ providerNetworkManager.getProvider().handleInterfaceDelete(network.getProviderNetworkType(), network, node, intf, isLastInstanceOnNode);
+ }
+ }
+
+ 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 Interface {} -> {}", uuid, portUUID);
+ return portUUID;
+ }
+ }
+ }
+ } catch (Exception e) {
+ logger.debug("Failed to add Port tag for for Intf {}",intf, e);
+ }
+ return null;
}
@Override
- public void rowAdded(Node node, String tableName, Table<?> row) {
- logger.debug("ROW ADDED {} , {}", node, row);
- /*
- * Should we support dynamic update of the Tunnel endpoint configuration ?
- *
- if (AdminConfigManager.getManager().isInterested(tableName)) {
- AdminConfigManager.getManager().populateTunnelEndpoint(node, tableName, row);
+ public void notifyNode(Node node, UpdateType type, Map<String, Property> propMap) {
+ logger.debug("notifyNode: Node {} update {} from Controller's inventory Service", node, type);
+
+ // Add the Node Type check back once the Consistency issue is resolved between MD-SAL and AD-SAL
+ if (!type.equals(UpdateType.REMOVED) && !nodeCache.contains(node)) {
+ nodeCache.add(node);
+ providerNetworkManager.getProvider().initializeOFFlowRules(node);
+ } else if (type.equals(UpdateType.REMOVED)){
+ nodeCache.remove(node);
}
- */
}
@Override
- public void rowRemoved(Node node, String tableName, Table<?> row) {
- logger.debug("ROW REMOVED {} , {}", node, row);
+ public void notifyNodeConnector(NodeConnector nodeConnector, UpdateType type, Map<String, Property> propMap) {
+ //We are not interested in the nodeConnectors at this moment
+ }
+
+ private void triggerUpdates() {
+ List<Node> nodes = this.getConnectionService().getNodes();
+ if (nodes == null) return;
+ for (Node node : nodes) {
+ try {
+ List<String> tableNames = this.getOVSDBConfigService().getTables(node);
+ if (tableNames == null) continue;
+ for (String tableName : tableNames) {
+ Map<String, Table<?>> rows = this.getOVSDBConfigService().getRows(node, tableName);
+ if (rows == null) continue;
+ for (String uuid : rows.keySet()) {
+ Table<?> row = rows.get(uuid);
+ this.rowAdded(node, tableName, uuid, row);
+ }
+ }
+ } catch (Exception e) {
+ logger.error("Exception during OVSDB Southbound update trigger", e);
+ }
+ }
}
}
Code Review / netvirt.git / blobdiff