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, Hsin-Yi Shen
10 package org.opendaylight.ovsdb.openstack.netvirt;
12 import org.opendaylight.neutron.spi.INeutronNetworkAware;
13 import org.opendaylight.neutron.spi.INeutronNetworkCRUD;
14 import org.opendaylight.neutron.spi.NeutronNetwork;
15 import org.opendaylight.controller.sal.core.Node;
16 import org.opendaylight.ovsdb.lib.notation.Row;
17 import org.opendaylight.ovsdb.lib.notation.UUID;
18 import org.opendaylight.ovsdb.openstack.netvirt.api.Action;
19 import org.opendaylight.ovsdb.openstack.netvirt.api.BridgeConfigurationManager;
20 import org.opendaylight.ovsdb.openstack.netvirt.api.ConfigurationService;
21 import org.opendaylight.ovsdb.openstack.netvirt.api.TenantNetworkManager;
22 import org.opendaylight.ovsdb.openstack.netvirt.impl.NeutronL3Adapter;
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.Port;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
32 import java.net.HttpURLConnection;
33 import java.util.List;
34 import java.util.concurrent.ConcurrentMap;
37 * Handle requests for Neutron Network.
39 public class NetworkHandler extends AbstractHandler
40 implements INeutronNetworkAware {
42 public static final String NETWORK_TYPE_VXLAN = "vxlan";
43 public static final String NETWORK_TYPE_GRE = "gre";
44 public static final String NETWORK_TYPE_VLAN = "vlan";
49 static final Logger logger = LoggerFactory.getLogger(NetworkHandler.class);
51 // The implementation for each of these services is resolved by the OSGi Service Manager
52 private volatile TenantNetworkManager tenantNetworkManager;
53 private volatile BridgeConfigurationManager bridgeConfigurationManager;
54 private volatile ConfigurationService configurationService;
55 private volatile OvsdbConfigurationService ovsdbConfigurationService;
56 private volatile OvsdbConnectionService connectionService;
57 private volatile INeutronNetworkCRUD neutronNetworkCache;
58 private volatile OvsdbInventoryListener ovsdbInventoryListener;
59 private volatile NeutronL3Adapter neutronL3Adapter;
62 * Invoked when a network creation is requested
63 * to indicate if the specified network can be created.
65 * @param network An instance of proposed new Neutron Network object.
66 * @return A HTTP status code to the creation request.
69 public int canCreateNetwork(NeutronNetwork network) {
70 if (network.isShared()) {
71 logger.error(" Network shared attribute not supported ");
72 return HttpURLConnection.HTTP_NOT_ACCEPTABLE;
75 return HttpURLConnection.HTTP_CREATED;
79 * Invoked to take action after a network has been created.
81 * @param network An instance of new Neutron Network object.
84 public void neutronNetworkCreated(NeutronNetwork network) {
85 int result = HttpURLConnection.HTTP_BAD_REQUEST;
86 logger.trace("neutronNetworkCreated: network: {}", network);
87 result = canCreateNetwork(network);
88 if (result != HttpURLConnection.HTTP_CREATED) {
89 logger.debug("Network creation failed {} ", result);
93 enqueueEvent(new NorthboundEvent(network, Action.ADD));
95 private void doNeutronNetworkCreated(NeutronNetwork network) {
96 neutronL3Adapter.handleNeutronNetworkEvent(network, Action.ADD);
100 * Invoked when a network update is requested
101 * to indicate if the specified network can be changed
102 * using the specified delta.
104 * @param delta Updates to the network object using patch semantics.
105 * @param original An instance of the Neutron Network object
107 * @return A HTTP status code to the update request.
110 public int canUpdateNetwork(NeutronNetwork delta,
111 NeutronNetwork original) {
112 logger.trace("canUpdateNetwork: network delta {} --- original {}", delta, original);
113 return HttpURLConnection.HTTP_OK;
117 * Invoked to take action after a network has been updated.
119 * @param network An instance of modified Neutron Network object.
122 public void neutronNetworkUpdated(NeutronNetwork network) {
123 enqueueEvent(new NorthboundEvent(network, Action.UPDATE));
125 private void doNeutronNetworkUpdated(NeutronNetwork network) {
126 neutronL3Adapter.handleNeutronNetworkEvent(network, Action.UPDATE);
130 * Invoked when a network deletion is requested
131 * to indicate if the specified network can be deleted.
133 * @param network An instance of the Neutron Network object to be deleted.
134 * @return A HTTP status code to the deletion request.
137 public int canDeleteNetwork(NeutronNetwork network) {
138 return HttpURLConnection.HTTP_OK;
142 * Invoked to take action after a network has been deleted.
144 * @param network An instance of deleted Neutron Network object.
147 public void neutronNetworkDeleted(NeutronNetwork network) {
148 enqueueEvent(new NorthboundEvent(network, Action.DELETE));
150 private void doNeutronNetworkDeleted(NeutronNetwork network) {
151 neutronL3Adapter.handleNeutronNetworkEvent(network, Action.DELETE);
153 int result = canDeleteNetwork(network);
154 logger.trace("canDeleteNetwork: network: {}", network);
155 if (result != HttpURLConnection.HTTP_OK) {
156 logger.error(" deleteNetwork validation failed for result - {} ",
160 /* Is this the last Neutron tenant network */
161 List <NeutronNetwork> networks;
162 if (neutronNetworkCache != null) {
163 networks = neutronNetworkCache.getAllNetworks();
164 if (networks.isEmpty()) {
165 logger.trace("neutronNetworkDeleted: last tenant network, delete tunnel ports...");
166 List<Node> nodes = connectionService.getNodes();
168 for (Node node : nodes) {
169 List<String> phyIfName = bridgeConfigurationManager.getAllPhysicalInterfaceNames(node);
171 ConcurrentMap<String, Row> ports =
172 this.ovsdbConfigurationService.getRows(node,
173 ovsdbConfigurationService.getTableName(node, Port.class));
175 for (Row portRow : ports.values()) {
176 Port port = ovsdbConfigurationService.getTypedRow(node, Port.class, portRow);
177 for (UUID interfaceUuid : port.getInterfacesColumn().getData()) {
178 Row ifaceRow = ovsdbConfigurationService
180 ovsdbConfigurationService.getTableName(node, Interface.class),
181 interfaceUuid.toString());
182 Interface iface = ovsdbConfigurationService.getTypedRow(node, Interface.class, ifaceRow);
183 String interfaceType = iface.getTypeColumn().getData();
184 if (interfaceType.equalsIgnoreCase(NetworkHandler.NETWORK_TYPE_VXLAN)
185 || interfaceType.equalsIgnoreCase(
186 NetworkHandler.NETWORK_TYPE_GRE)) {
187 /* delete tunnel ports on this node */
188 logger.trace("Delete tunnel interface {}", iface.getName());
189 ovsdbConfigurationService.deleteRow(node,
190 ovsdbConfigurationService.getTableName(node, Port.class),
191 port.getUuid().toString());
193 } else if (!phyIfName.isEmpty() && phyIfName.contains(iface.getName())) {
194 logger.trace("Delete physical interface {}", iface.getName());
195 ovsdbConfigurationService.deleteRow(node,
196 ovsdbConfigurationService.getTableName(node, Port.class),
197 port.getUuid().toString());
203 } catch (Exception e) {
204 logger.error("Exception during handlingNeutron network delete", e);
209 tenantNetworkManager.networkDeleted(network.getID());
215 * @param abstractEvent the {@link org.opendaylight.ovsdb.openstack.netvirt.AbstractEvent} event to be handled.
216 * @see org.opendaylight.ovsdb.openstack.netvirt.api.EventDispatcher
219 public void processEvent(AbstractEvent abstractEvent) {
220 if (!(abstractEvent instanceof NorthboundEvent)) {
221 logger.error("Unable to process abstract event " + abstractEvent);
224 NorthboundEvent ev = (NorthboundEvent) abstractEvent;
225 switch (ev.getAction()) {
227 doNeutronNetworkCreated(ev.getNeutronNetwork());
230 doNeutronNetworkUpdated(ev.getNeutronNetwork());
233 doNeutronNetworkDeleted(ev.getNeutronNetwork());
236 logger.warn("Unable to process event action " + ev.getAction());