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.Map.Entry;
15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
16 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
17 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
18 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
19 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
20 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
22 import org.opendaylight.groupbasedpolicy.dto.EpKey;
23 import org.opendaylight.groupbasedpolicy.neutron.ovsdb.util.NeutronOvsdbIidFactory;
24 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
25 import org.opendaylight.groupbasedpolicy.util.IidFactory;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.L2BridgeDomainId;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoint.fields.L3Address;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.Endpoint;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointL3;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointL3Builder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointL3Key;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.l3endpoint.rev151217.NatAddress;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.l3endpoint.rev151217.NatAddressBuilder;
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.yangtools.concepts.ListenerRegistration;
38 import org.opendaylight.yangtools.yang.binding.DataObject;
39 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
40 import org.slf4j.Logger;
41 import org.slf4j.LoggerFactory;
43 import com.google.common.base.Optional;
45 public class NeutronGbpFloatingIpListener implements DataChangeListener, AutoCloseable {
47 private static final Logger LOG = LoggerFactory.getLogger(NeutronGbpFloatingIpListener.class);
48 private final ListenerRegistration<DataChangeListener> gbpFloatingIpListener;
49 private final DataBroker dataBroker;
51 public NeutronGbpFloatingIpListener(DataBroker dataBroker) {
52 this.dataBroker = checkNotNull(dataBroker);
53 gbpFloatingIpListener = dataBroker.registerDataChangeListener(LogicalDatastoreType.OPERATIONAL,
54 NeutronOvsdbIidFactory.neutronGbpInternalPortByFloatingIpIidWildcard(), this, DataChangeScope.BASE);
55 LOG.trace("NeutronGbpFloatingIpListener started");
59 public void onDataChanged(AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
63 for (Entry<InstanceIdentifier<?>, DataObject> entry : change.getCreatedData().entrySet()) {
64 if (entry.getValue() instanceof InternalPortByFloatingIpPort) {
65 InternalPortByFloatingIpPort internalPortByFloatingIp = (InternalPortByFloatingIpPort) entry.getValue();
66 processInternalPortByFloatingIp(internalPortByFloatingIp);
73 for (Entry<InstanceIdentifier<?>, DataObject> entry : change.getUpdatedData().entrySet()) {
74 if (entry.getValue() instanceof InternalPortByFloatingIpPort) {
75 InternalPortByFloatingIpPort internalPortByFloatingIp = (InternalPortByFloatingIpPort) entry.getValue();
76 processInternalPortByFloatingIp(internalPortByFloatingIp);
83 for (InstanceIdentifier<?> iid : change.getRemovedPaths()) {
90 private void processInternalPortByFloatingIp(InternalPortByFloatingIpPort internalPortByFloatingIp) {
91 IpAddress natAddress = internalPortByFloatingIp.getFloatingIpPortIpAddress();
92 IpAddress ipAddress = internalPortByFloatingIp.getInternalPortIpAddress();
94 ReadOnlyTransaction rTx = dataBroker.newReadOnlyTransaction();
95 Optional<EndpointByPort> optEndpointByPort = DataStoreHelper.readFromDs(
96 LogicalDatastoreType.OPERATIONAL,
97 NeutronOvsdbIidFactory.endpointByPortIid(internalPortByFloatingIp.getInternalPortId()), rTx);
98 if (optEndpointByPort.isPresent()) {
99 EpKey l2EpKey = new EpKey(optEndpointByPort.get().getL2Context(), optEndpointByPort.get().getMacAddress());
100 updateEndpointNat(l2EpKey, ipAddress, natAddress);
102 LOG.error("processEpByFloatingIp: Couldn't find EP associated with {}.", internalPortByFloatingIp);
106 private void updateEndpointNat(EpKey l2EpKey, IpAddress ipAddress, IpAddress natAddress) {
109 EndpointL3Key l3EpKey = null;
111 ReadWriteTransaction rwTx = dataBroker.newReadWriteTransaction();
113 Optional<Endpoint> optL2Ep = DataStoreHelper.readFromDs(LogicalDatastoreType.OPERATIONAL,
114 IidFactory.endpointIid((L2BridgeDomainId) l2EpKey.getL2Context(), l2EpKey.getMacAddress()), rwTx);
115 if (optL2Ep.isPresent()) {
116 l2Ep = optL2Ep.get();
118 LOG.error("updateEndpointNat: No Endpoint {} ", l2EpKey);
122 if (l2Ep.getL3Address() == null) {
123 LOG.error("updateEndpointNat: L2Ep {} had no IP address to translate to.", l2Ep);
127 for (L3Address l3Address : l2Ep.getL3Address()) {
128 if (l3Address.getIpAddress().equals(ipAddress)) {
129 l3EpKey = new EndpointL3Key(l3Address.getIpAddress(), l3Address.getL3Context());
133 if (l3EpKey == null) {
136 Optional<EndpointL3> optL3Ep = DataStoreHelper.readFromDs(LogicalDatastoreType.OPERATIONAL,
137 IidFactory.l3EndpointIid(l3EpKey.getL3Context(), l3EpKey.getIpAddress()), rwTx);
138 if (optL3Ep.isPresent()) {
139 l3Ep = optL3Ep.get();
140 NatAddress nat = new NatAddressBuilder().setNatAddress(natAddress).build();
142 EndpointL3 updatedEpL3 = new EndpointL3Builder(l3Ep).addAugmentation(NatAddress.class, nat).build();
144 rwTx.put(LogicalDatastoreType.OPERATIONAL, IidFactory.l3EndpointIid(l3EpKey.getL3Context(), l3EpKey.getIpAddress()), updatedEpL3,true);
145 boolean writeResult = DataStoreHelper.submitToDs(rwTx);
147 LOG.trace("updateEndpointNat: Could not write {} to datastore.",updatedEpL3.getKey());
153 public void close() throws Exception {
154 gbpFloatingIpListener.close();