2 * Copyright (c) 2015 Cisco Systems, Inc. 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
9 package org.opendaylight.groupbasedpolicy.neutron.ovsdb;
11 import static com.google.common.base.Preconditions.checkNotNull;
13 import java.util.ArrayList;
14 import java.util.List;
15 import java.util.Map.Entry;
17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
18 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
19 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
20 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
21 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
22 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
23 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
24 import org.opendaylight.groupbasedpolicy.endpoint.EpKey;
25 import org.opendaylight.groupbasedpolicy.neutron.ovsdb.util.NeutronOvsdbIidFactory;
26 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
27 import org.opendaylight.groupbasedpolicy.util.IidFactory;
28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.L2BridgeDomainId;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoint.fields.L3Address;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.Endpoint;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointL3;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointL3Builder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointL3Key;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.floating.ip.association.mappings.internal.ports.by.floating.ip.ports.InternalPortByFloatingIpPort;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.gbp.by.neutron.mappings.endpoints.by.ports.EndpointByPort;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayL3Nat;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayL3NatBuilder;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.napt.translations.fields.NaptTranslations;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.napt.translations.fields.NaptTranslationsBuilder;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.napt.translations.fields.napt.translations.NaptTranslation;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.napt.translations.fields.napt.translations.NaptTranslationBuilder;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.napt.translations.fields.napt.translations.NaptTranslationKey;
44 import org.opendaylight.yangtools.concepts.ListenerRegistration;
45 import org.opendaylight.yangtools.yang.binding.DataObject;
46 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
47 import org.slf4j.Logger;
48 import org.slf4j.LoggerFactory;
50 import com.google.common.base.Optional;
52 public class NeutronGbpFloatingIpListener implements DataChangeListener, AutoCloseable {
54 private static final Logger LOG = LoggerFactory.getLogger(NeutronGbpFloatingIpListener.class);
55 private final ListenerRegistration<DataChangeListener> gbpFloatingIpListener;
56 private final DataBroker dataBroker;
58 public NeutronGbpFloatingIpListener(DataBroker dataBroker) {
59 this.dataBroker = checkNotNull(dataBroker);
60 gbpFloatingIpListener = dataBroker.registerDataChangeListener(LogicalDatastoreType.OPERATIONAL,
61 NeutronOvsdbIidFactory.neutronGbpInternalPortByFloatingIpIidWildcard(), this, DataChangeScope.BASE);
62 LOG.trace("NeutronGbpFloatingIpListener started");
66 public void onDataChanged(AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
70 for (Entry<InstanceIdentifier<?>, DataObject> entry : change.getCreatedData().entrySet()) {
71 if (entry.getValue() instanceof InternalPortByFloatingIpPort) {
72 InternalPortByFloatingIpPort internalPortByFloatingIp = (InternalPortByFloatingIpPort) entry.getValue();
73 processInternalPortByFloatingIp(internalPortByFloatingIp);
80 for (Entry<InstanceIdentifier<?>, DataObject> entry : change.getUpdatedData().entrySet()) {
81 if (entry.getValue() instanceof InternalPortByFloatingIpPort) {
82 InternalPortByFloatingIpPort internalPortByFloatingIp = (InternalPortByFloatingIpPort) entry.getValue();
83 processInternalPortByFloatingIp(internalPortByFloatingIp);
90 for (InstanceIdentifier<?> iid : change.getRemovedPaths()) {
97 private void processInternalPortByFloatingIp(InternalPortByFloatingIpPort internalPortByFloatingIp) {
98 IpAddress natAddress = internalPortByFloatingIp.getFloatingIpPortIpAddress();
99 IpAddress ipAddress = internalPortByFloatingIp.getInternalPortIpAddress();
101 ReadOnlyTransaction rTx = dataBroker.newReadOnlyTransaction();
102 Optional<EndpointByPort> optEndpointByPort = DataStoreHelper.readFromDs(
103 LogicalDatastoreType.OPERATIONAL,
104 NeutronOvsdbIidFactory.endpointByPortIid(internalPortByFloatingIp.getInternalPortId()), rTx);
105 if (optEndpointByPort.isPresent()) {
106 EpKey l2EpKey = new EpKey(optEndpointByPort.get().getL2Context(), optEndpointByPort.get().getMacAddress());
107 updateEndpointNat(l2EpKey, ipAddress, natAddress);
109 LOG.error("processEpByFloatingIp: Couldn't find EP associated with {}.", internalPortByFloatingIp);
113 private void updateEndpointNat(EpKey l2EpKey, IpAddress ipAddress, IpAddress natAddress) {
116 EndpointL3Key l3EpKey = null;
117 OfOverlayL3NatBuilder l3EpAug = null;
119 ReadWriteTransaction rwTx = dataBroker.newReadWriteTransaction();
121 Optional<Endpoint> optL2Ep = DataStoreHelper.readFromDs(LogicalDatastoreType.OPERATIONAL,
122 IidFactory.endpointIid((L2BridgeDomainId) l2EpKey.getL2Context(), l2EpKey.getMacAddress()), rwTx);
123 if (optL2Ep.isPresent()) {
124 l2Ep = optL2Ep.get();
126 LOG.error("updateEndpointNat: No Endpoint {} ", l2EpKey);
130 if (l2Ep.getL3Address() == null) {
131 LOG.error("updateEndpointNat: L2Ep {} had no IP address to translate to.", l2Ep);
135 for (L3Address l3Address : l2Ep.getL3Address()) {
136 if (l3Address.getIpAddress().equals(ipAddress)) {
137 l3EpKey = new EndpointL3Key(l3Address.getIpAddress(), l3Address.getL3Context());
141 if (l3EpKey == null) {
144 Optional<EndpointL3> optL3Ep = DataStoreHelper.readFromDs(LogicalDatastoreType.OPERATIONAL,
145 IidFactory.l3EndpointIid(l3EpKey.getL3Context(), l3EpKey.getIpAddress()), rwTx);
146 if (optL3Ep.isPresent()) {
147 l3Ep = optL3Ep.get();
148 OfOverlayL3Nat ofL3NatAug = l3Ep.getAugmentation(OfOverlayL3Nat.class);
149 if (ofL3NatAug != null) {
150 l3EpAug = new OfOverlayL3NatBuilder(ofL3NatAug);
152 l3EpAug = new OfOverlayL3NatBuilder();
154 NaptTranslation nat = new NaptTranslationBuilder().setIpAddress(ipAddress)
155 .setKey(new NaptTranslationKey(natAddress))
157 List<NaptTranslation> natList = new ArrayList<>();
159 NaptTranslations nats = new NaptTranslationsBuilder().setNaptTranslation(natList).build();
161 EndpointL3 updatedEpL3 = new EndpointL3Builder(l3Ep).addAugmentation(OfOverlayL3Nat.class,
162 l3EpAug.setNaptTranslations(nats).build()).build();
164 rwTx.put(LogicalDatastoreType.OPERATIONAL, IidFactory.l3EndpointIid(l3EpKey.getL3Context(), l3EpKey.getIpAddress()), updatedEpL3,true);
165 boolean writeResult = DataStoreHelper.submitToDs(rwTx);
167 LOG.trace("updateEndpointNat: Could not write {} to datastore.",updatedEpL3.getKey());
173 public void close() throws Exception {
174 gbpFloatingIpListener.close();