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.interfacemgr.rev150331.IfL2vlan;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfL2vlanBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.ParentRefs;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.ParentRefsBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.neutron.port.data
37 .PortFixedipToPortNameBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.subnetmaps.Subnetmap;
39 import org.opendaylight.yangtools.concepts.ListenerRegistration;
40 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
41 import org.slf4j.Logger;
42 import org.slf4j.LoggerFactory;
44 import java.util.ArrayList;
45 import java.util.Iterator;
46 import java.util.List;
49 public class NeutronPortChangeListener extends AbstractDataChangeListener<Port> implements AutoCloseable {
50 private static final Logger LOG = LoggerFactory.getLogger(NeutronPortChangeListener.class);
52 private ListenerRegistration<DataChangeListener> listenerRegistration;
53 private final DataBroker broker;
54 private NeutronvpnManager nvpnManager;
57 public NeutronPortChangeListener(final DataBroker db, NeutronvpnManager nVpnMgr) {
60 nvpnManager = nVpnMgr;
65 public void close() throws Exception {
66 if (listenerRegistration != null) {
68 listenerRegistration.close();
69 } catch (final Exception e) {
70 LOG.error("Error when cleaning up DataChangeListener.", e);
72 listenerRegistration = null;
74 LOG.info("N_Port listener Closed");
78 private void registerListener(final DataBroker db) {
80 listenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.CONFIGURATION,
81 InstanceIdentifier.create(Neutron.class).child(Ports.class).child(Port.class),
82 NeutronPortChangeListener.this, DataChangeScope.SUBTREE);
83 } catch (final Exception e) {
84 LOG.error("Neutron Manager Port DataChange listener registration fail!", e);
85 throw new IllegalStateException("Neutron Manager Port DataChange listener registration failed.", e);
90 protected void add(InstanceIdentifier<Port> identifier, Port input) {
91 if (LOG.isTraceEnabled()) {
92 LOG.trace("Adding Port : key: " + identifier + ", value=" + input);
94 handleNeutronPortCreated(input);
99 protected void remove(InstanceIdentifier<Port> identifier, Port input) {
100 if (LOG.isTraceEnabled()) {
101 LOG.trace("Removing Port : key: " + identifier + ", value=" + input);
103 handleNeutronPortDeleted(input);
108 protected void update(InstanceIdentifier<Port> identifier, Port original, Port update) {
109 if (LOG.isTraceEnabled()) {
110 LOG.trace("Updating Port : key: " + identifier + ", original value=" + original + ", update value=" +
113 List<FixedIps> oldIPs = (original.getFixedIps() != null) ? original.getFixedIps() : new ArrayList<FixedIps>();
114 List<FixedIps> newIPs = (update.getFixedIps() != null) ? update.getFixedIps() : new ArrayList<FixedIps>();
116 if (!oldIPs.equals(newIPs)) {
117 Iterator<FixedIps> iterator = newIPs.iterator();
118 while (iterator.hasNext()) {
119 FixedIps ip = iterator.next();
120 if (oldIPs.remove(ip)) {
124 handleNeutronPortUpdated(original, update);
128 private void handleNeutronPortCreated(Port port) {
129 LOG.info("Of-port-interface creation");
130 // Create of-port interface for this neutron port
131 String portInterfaceName = createOfPortInterface(port);
132 LOG.debug("Creating ELAN Interface");
133 createElanInterface(port, portInterfaceName);
134 LOG.debug("Add port to subnet");
135 // add port to local Subnets DS
136 Uuid vpnId = addPortToSubnets(port);
139 // create vpn-interface on this neutron port
140 LOG.debug("Adding VPN Interface");
141 nvpnManager.createVpnInterface(vpnId, port);
145 private void handleNeutronPortDeleted(Port port) {
146 LOG.debug("Of-port-interface removal");
147 LOG.debug("Remove port from subnet");
148 // remove port from local Subnets DS
149 Uuid vpnId = removePortFromSubnets(port);
152 // remove vpn-interface for this neutron port
153 LOG.debug("removing VPN Interface");
154 nvpnManager.deleteVpnInterface(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);
162 private void handleNeutronPortUpdated(Port portoriginal, Port portupdate) {
163 LOG.debug("Add port to subnet");
164 // add port FixedIP to local Subnets DS
165 Uuid vpnIdup = addPortToSubnets(portupdate);
167 if (vpnIdup != null) {
168 nvpnManager.createVpnInterface(vpnIdup, portupdate);
171 // remove port FixedIP from local Subnets DS
172 Uuid vpnIdor = removePortFromSubnets(portoriginal);
174 if (vpnIdor != null) {
175 nvpnManager.deleteVpnInterface(portoriginal);
179 private String createOfPortInterface(Port port) {
180 Interface inf = createInterface(port);
181 String infName = inf.getName();
183 LOG.debug("Creating OFPort Interface {}", infName);
184 InstanceIdentifier interfaceIdentifier = NeutronvpnUtils.buildVlanInterfaceIdentifier(infName);
186 Optional<Interface> optionalInf = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
187 interfaceIdentifier);
188 if (!optionalInf.isPresent()) {
189 MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, interfaceIdentifier, inf);
191 LOG.error("Interface {} is already present", infName);
193 } catch (Exception e) {
194 LOG.error("failed to create interface {} due to the exception {} ", infName, e.getMessage());
199 private Interface createInterface(Port port) {
200 String parentRefName = NeutronvpnUtils.uuidToTapPortName(port.getUuid());;
201 String interfaceName = port.getUuid().getValue();
202 IfL2vlan.L2vlanMode l2VlanMode = IfL2vlan.L2vlanMode.Trunk;
203 InterfaceBuilder interfaceBuilder = new InterfaceBuilder();
204 IfL2vlanBuilder ifL2vlanBuilder = new IfL2vlanBuilder();
205 ifL2vlanBuilder.setL2vlanMode(l2VlanMode);
206 ParentRefsBuilder parentRefsBuilder = new ParentRefsBuilder().setParentInterface(parentRefName);
207 interfaceBuilder.setEnabled(true).setName(interfaceName).setType(L2vlan.class).addAugmentation(IfL2vlan
208 .class, ifL2vlanBuilder.build()).addAugmentation(ParentRefs.class, parentRefsBuilder.build());
209 return interfaceBuilder.build();
212 private void deleteOfPortInterface(Port port) {
213 String name = port.getUuid().getValue();
214 LOG.debug("Removing OFPort Interface {}", name);
215 InstanceIdentifier interfaceIdentifier = NeutronvpnUtils.buildVlanInterfaceIdentifier(name);
217 Optional<Interface> optionalInf = NeutronvpnUtils.read(broker, LogicalDatastoreType.CONFIGURATION,
218 interfaceIdentifier);
219 if (optionalInf.isPresent()) {
220 MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, interfaceIdentifier);
222 LOG.error("Interface {} is not present", name);
224 } catch (Exception e) {
225 LOG.error("Failed to delete interface {} due to the exception {}", name, e.getMessage());
229 private void createElanInterface(Port port, String name) {
230 String elanInstanceName = port.getNetworkId().getValue();
231 List<PhysAddress> physAddresses = new ArrayList<>();
232 physAddresses.add(new PhysAddress(port.getMacAddress()));
234 InstanceIdentifier<ElanInterface> id = InstanceIdentifier.builder(ElanInterfaces.class).child(ElanInterface
235 .class, new ElanInterfaceKey(name)).build();
236 ElanInterface elanInterface = new ElanInterfaceBuilder().setElanInstanceName(elanInstanceName)
237 .setName(name).setStaticMacEntries(physAddresses).setKey(new ElanInterfaceKey(name)).build();
238 MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, id, elanInterface);
239 LOG.debug("Creating new ELan Interface {}", elanInterface);
242 // adds port to subnet list and creates vpnInterface
243 private Uuid addPortToSubnets(Port port) {
244 Uuid subnetId = null;
246 Subnetmap subnetmap = null;
247 String infName = port.getUuid().getValue();
249 // find the subnet to which this port is associated
250 FixedIps ip = port.getFixedIps().get(0);
251 String ipValue = ip.getIpAddress().getIpv4Address().getValue();
252 InstanceIdentifier id = NeutronvpnUtils.buildFixedIpToPortNameIdentifier(ipValue);
253 PortFixedipToPortNameBuilder builder = new PortFixedipToPortNameBuilder().setPortFixedip(ipValue)
254 .setPortName(infName);
255 MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, id, builder.build());
256 LOG.debug("fixedIp-name map for neutron port with fixedIp: {}, name: {} added to NeutronPortData DS",
258 subnetId = ip.getSubnetId();
259 subnetmap = nvpnManager.updateSubnetNode(subnetId, null, null, null, null, null, port.getUuid());
260 if (subnetmap != null) {
261 vpnId = subnetmap.getVpnId();
266 private Uuid removePortFromSubnets(Port port) {
267 Uuid subnetId = null;
269 Subnetmap subnetmap = null;
271 // find the subnet to which this port is associated
272 FixedIps ip = port.getFixedIps().get(0);
273 String ipValue = ip.getIpAddress().getIpv4Address().getValue();
274 InstanceIdentifier id = NeutronvpnUtils.buildFixedIpToPortNameIdentifier(ipValue);
275 MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, id);
276 LOG.debug("fixedIp-name map for neutron port with fixedIp: {} deleted from NeutronPortData DS", ipValue);
277 subnetId = ip.getSubnetId();
278 subnetmap = nvpnManager.removeFromSubnetNode(subnetId, null, null, null, port.getUuid());
279 if (subnetmap != null) {
280 vpnId = subnetmap.getVpnId();