2 * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
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 package org.opendaylight.vpnservice.neutronvpn;
11 import com.google.common.base.Optional;
13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
14 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
15 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
17 import org.opendaylight.vpnservice.mdsalutil.AbstractDataChangeListener;
18 import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.L2vlan;
20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceBuilder;
22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.port.attributes.FixedIps;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.Ports;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.Port;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.ElanInterfaces;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.interfaces.ElanInterface;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.interfaces.ElanInterfaceBuilder;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.interfaces.ElanInterfaceKey;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.neutron.port.data
33 .PortFixedipToPortNameBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.neutron.port.data
35 .PortNameToPortUuidBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.subnetmaps.Subnetmap;
37 import org.opendaylight.yangtools.concepts.ListenerRegistration;
38 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
39 import org.slf4j.Logger;
40 import org.slf4j.LoggerFactory;
42 import java.util.ArrayList;
43 import java.util.Iterator;
44 import java.util.List;
47 public class NeutronPortChangeListener extends AbstractDataChangeListener<Port> implements AutoCloseable {
48 private static final Logger LOG = LoggerFactory.getLogger(NeutronPortChangeListener.class);
50 private ListenerRegistration<DataChangeListener> listenerRegistration;
51 private final DataBroker broker;
52 private NeutronvpnManager nvpnManager;
55 public NeutronPortChangeListener(final DataBroker db, NeutronvpnManager nVpnMgr) {
58 nvpnManager = nVpnMgr;
63 public void close() throws Exception {
64 if (listenerRegistration != null) {
66 listenerRegistration.close();
67 } catch (final Exception e) {
68 LOG.error("Error when cleaning up DataChangeListener.", e);
70 listenerRegistration = null;
72 LOG.info("N_Port listener Closed");
76 private void registerListener(final DataBroker db) {
78 listenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.CONFIGURATION,
79 InstanceIdentifier.create(Neutron.class).child(Ports.class).child(Port.class),
80 NeutronPortChangeListener.this, DataChangeScope.SUBTREE);
81 } catch (final Exception e) {
82 LOG.error("Neutron Manager Port DataChange listener registration fail!", e);
83 throw new IllegalStateException("Neutron Manager Port DataChange listener registration failed.", e);
88 protected void add(InstanceIdentifier<Port> identifier, Port input) {
89 if (LOG.isTraceEnabled()) {
90 LOG.trace("Adding Port : key: " + identifier + ", value=" + input);
92 handleNeutronPortCreated(input);
97 protected void remove(InstanceIdentifier<Port> identifier, Port input) {
98 if (LOG.isTraceEnabled()) {
99 LOG.trace("Removing Port : key: " + identifier + ", value=" + input);
101 handleNeutronPortDeleted(input);
106 protected void update(InstanceIdentifier<Port> identifier, Port original, Port update) {
107 if (LOG.isTraceEnabled()) {
108 LOG.trace("Updating Port : key: " + identifier + ", original value=" + original + ", update value=" +
111 List<FixedIps> oldIPs = (original.getFixedIps() != null) ? original.getFixedIps() : new ArrayList<FixedIps>();
112 List<FixedIps> newIPs = (update.getFixedIps() != null) ? update.getFixedIps() : new ArrayList<FixedIps>();
114 if (!oldIPs.equals(newIPs)) {
115 Iterator<FixedIps> iterator = newIPs.iterator();
116 while (iterator.hasNext()) {
117 FixedIps ip = iterator.next();
118 if (oldIPs.remove(ip)) {
122 handleNeutronPortUpdated(original, update);
126 private void handleNeutronPortCreated(Port port) {
127 LOG.info("Of-port-interface creation");
128 int portVlanId = NeutronvpnUtils.getVlanFromNeutronPort(port);
129 // Create of-port interface for this neutron port
130 createOfPortInterface(port, portVlanId);
131 LOG.debug("Creating ELAN Interface");
132 createElanInterface(port, portVlanId);
133 LOG.debug("Add port to subnet");
134 // add port to local Subnets DS
135 Uuid vpnId = addPortToSubnets(port);
138 // create vpn-interface on this neutron port
139 LOG.debug("Adding VPN Interface");
140 nvpnManager.createVpnInterface(vpnId, port);
144 private void handleNeutronPortDeleted(Port port) {
145 LOG.debug("Of-port-interface removal");
146 LOG.debug("Remove port from subnet");
147 // remove port from local Subnets DS
148 Uuid vpnId = removePortFromSubnets(port);
151 // remove vpn-interface for this neutron port
152 LOG.debug("removing VPN Interface");
153 nvpnManager.deleteVpnInterface(port);
155 int portVlanId = NeutronvpnUtils.getVlanFromNeutronPort(port);
156 // Remove of-port interface for this neutron port
157 // ELAN interface is also implicitly deleted as part of this operation
158 deleteOfPortInterface(port, portVlanId);
162 private void handleNeutronPortUpdated(Port portoriginal, Port portupdate) {
163 LOG.debug("Add port to subnet");
164 // add port FixedIPs to local Subnets DS
165 Uuid vpnIdup = addPortToSubnets(portupdate);
167 if (vpnIdup != null) {
168 nvpnManager.createVpnInterface(vpnIdup, portupdate);
171 // remove port FixedIPs from local Subnets DS
172 Uuid vpnIdor = removePortFromSubnets(portoriginal);
174 if (vpnIdor != null) {
175 nvpnManager.deleteVpnInterface(portoriginal);
179 private void createOfPortInterface(Port port, int portVlanId) {
180 String name = NeutronvpnUtils.uuidToTapPortName(port.getUuid());
181 //String ifname = new StringBuilder(name).append(":").append(Integer.toString(portVlanId)).toString();
182 //Network network = NeutronvpnUtils.getNeutronNetwork(broker, port.getNetworkId());
183 //Boolean isVlanTransparent = network.isVlanTransparent();
185 LOG.debug("Creating OFPort Interface {}", name);
186 InstanceIdentifier interfaceIdentifier = NeutronvpnUtils.buildVlanInterfaceIdentifier(name);
188 Optional<Interface> optionalInf = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
189 interfaceIdentifier);
190 if (!optionalInf.isPresent()) {
191 // handle these for trunkport extensions : portVlanId, isVlanTransparent
192 Interface inf = new InterfaceBuilder().setEnabled(true).setName(name).setType(L2vlan.class).build();
193 MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, interfaceIdentifier, inf);
195 LOG.error("Interface {} is already present", name);
197 } catch (Exception e) {
198 LOG.error("failed to create interface {} due to the exception {} ", name, e.getMessage());
201 InstanceIdentifier portIdentifier = NeutronvpnUtils.buildPortNameToPortUuidIdentifier(name);
202 PortNameToPortUuidBuilder builder = new PortNameToPortUuidBuilder().setPortName(name).setPortId(port.getUuid());
203 MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, portIdentifier, builder.build());
204 LOG.debug("name-uuid map for port with name: {}, uuid: {} added to NeutronPortData DS", name, port.getUuid());
207 private void deleteOfPortInterface(Port port, int portVlanId) {
208 String name = NeutronvpnUtils.uuidToTapPortName(port.getUuid());
209 //String ifname = new StringBuilder(name).append(":").append(Integer.toString(portVlanId)).toString();
210 LOG.debug("Removing OFPort Interface {}", name);
211 InstanceIdentifier interfaceIdentifier = NeutronvpnUtils.buildVlanInterfaceIdentifier(name);
213 Optional<Interface> optionalInf = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
214 interfaceIdentifier);
215 if (optionalInf.isPresent()) {
216 MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, interfaceIdentifier);
218 LOG.error("Interface {} is not present", name);
220 } catch (Exception e) {
221 LOG.error("Failed to delete interface {} due to the exception {}", name, e.getMessage());
224 InstanceIdentifier portIdentifier = NeutronvpnUtils.buildPortNameToPortUuidIdentifier(name);
225 MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, portIdentifier);
226 LOG.debug("name-uuid map for port with name: {}, uuid: {} deleted from NeutronPortData DS", name, port
230 private void createElanInterface(Port port, int portVlanId) {
231 String name = NeutronvpnUtils.uuidToTapPortName(port.getUuid());
232 String interfaceName = new StringBuilder(name).append(":").append(Integer.toString(portVlanId)).toString();
233 String elanInstanceName = port.getNetworkId().getValue();
234 List<PhysAddress> physAddresses = new ArrayList<>();
235 physAddresses.add(new PhysAddress(port.getMacAddress()));
237 InstanceIdentifier<ElanInterface> id = InstanceIdentifier.builder(ElanInterfaces.class).child(ElanInterface
238 .class, new ElanInterfaceKey(interfaceName)).build();
239 ElanInterface elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
240 .setName(interfaceName).setStaticMacEntries(physAddresses).
241 setKey(new ElanInterfaceKey(interfaceName)).build();
242 MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, id, elanInterface);
243 LOG.debug("Creating new ELan Interface {}", elanInterface);
246 // adds port to subnet list and creates vpnInterface
247 private Uuid addPortToSubnets(Port port) {
248 Uuid subnetId = null;
250 String name = NeutronvpnUtils.uuidToTapPortName(port.getUuid());
252 // find all subnets to which this port is associated
253 List<FixedIps> ips = port.getFixedIps();
254 for (FixedIps ip : ips) {
255 String ipValue = ip.getIpAddress().getIpv4Address().getValue();
257 InstanceIdentifier id = NeutronvpnUtils.buildFixedIpToPortNameIdentifier(ipValue);
258 PortFixedipToPortNameBuilder builder = new PortFixedipToPortNameBuilder().setPortFixedip(ipValue)
260 MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, id, builder.build());
261 LOG.debug("fixedIp-name map for neutron port with fixedIp: {}, name: {} added to NeutronPortData DS",
264 subnetId = ip.getSubnetId();
265 Subnetmap subnetmap = nvpnManager.updateSubnetNode(subnetId, null, null, null, null, port.getUuid());
266 if (vpnId == null && subnetmap != null) {
267 vpnId = subnetmap.getVpnId();
273 private Uuid removePortFromSubnets(Port port) {
274 Uuid subnetId = null;
277 // find all Subnets to which this port is associated
278 List<FixedIps> ips = port.getFixedIps();
279 for (FixedIps ip : ips) {
280 String ipValue = ip.getIpAddress().getIpv4Address().getValue();
282 InstanceIdentifier id = NeutronvpnUtils.buildFixedIpToPortNameIdentifier(ipValue);
283 MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, id);
284 LOG.debug("fixedIp-name map for neutron port with fixedIp: {} deleted from NeutronPortData DS", ipValue);
286 subnetId = ip.getSubnetId();
287 Subnetmap subnetmap = nvpnManager.removeFromSubnetNode(subnetId, null, null, null, port.getUuid());
288 if (vpnId == null && subnetmap != null) {
289 vpnId = subnetmap.getVpnId();