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
8 package org.opendaylight.groupbasedpolicy.neutron.ovsdb;
10 import java.util.List;
12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
13 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
14 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
15 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
17 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
18 import org.opendaylight.groupbasedpolicy.util.DataTreeChangeHandler;
19 import org.opendaylight.groupbasedpolicy.util.IidFactory;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.Name;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.UniqueId;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoint.fields.L3Address;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.Endpoint;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointKey;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointL3;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.endpoints.EndpointL3Key;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.Mappings;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.NeutronByGbpMappings;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.neutron.by.gbp.mappings.PortsByEndpoints;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.neutron.by.gbp.mappings.ports.by.endpoints.PortByEndpoint;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayContext;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayContextBuilder;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayL3Context;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayL3ContextBuilder;
35 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
36 import org.slf4j.Logger;
37 import org.slf4j.LoggerFactory;
39 import com.google.common.base.Optional;
42 * Listens on PortByEndpoint created events. port-name is augmented to endpoint and endpoint-l3 (IFF
45 public class PortByEndpointListener extends DataTreeChangeHandler<PortByEndpoint> {
47 private static final Logger LOG = LoggerFactory.getLogger(PortByEndpointListener.class);
48 private static final String TAP = "tap";
50 public PortByEndpointListener(DataBroker dataProvider) {
52 new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL,
53 InstanceIdentifier.builder(Mappings.class)
54 .child(NeutronByGbpMappings.class)
55 .child(PortsByEndpoints.class)
56 .child(PortByEndpoint.class)
61 protected void onWrite(DataObjectModification<PortByEndpoint> rootNode,
62 InstanceIdentifier<PortByEndpoint> rootIdentifier) {
63 PortByEndpoint portByEp = rootNode.getDataAfter();
64 ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
66 final EndpointKey epKey = new EndpointKey(portByEp.getL2Context(), portByEp.getMacAddress());
67 InstanceIdentifier<Endpoint> epIid = IidFactory.endpointIid(epKey);
68 Optional<Endpoint> potentialEp = DataStoreHelper.readFromDs(LogicalDatastoreType.OPERATIONAL, epIid, rwTx);
69 if (!potentialEp.isPresent()) {
70 LOG.warn("PortByEndpoint created notification received but endpoint {} does not exist in DS."
71 + " port-name was not added.", epKey);
75 Endpoint ep = potentialEp.get();
76 Name portName = createTapPortName(portByEp.getPortId());
77 OfOverlayContext newOfOverlayCtx = new OfOverlayContextBuilder().setPortName(portName).build();
78 rwTx.merge(LogicalDatastoreType.OPERATIONAL, epIid.augmentation(OfOverlayContext.class), newOfOverlayCtx);
80 List<L3Address> l3Addresses = ep.getL3Address();
81 if (l3Addresses == null) {
82 LOG.warn("PortByEndpoint created notification received but endpoint {} has no L3 address."
83 + " port-name was not added.", epKey);
87 L3Address l3Address = l3Addresses.get(0);
89 EndpointL3Key l3EpKey = new EndpointL3Key(l3Address.getIpAddress(), l3Address.getL3Context());
90 InstanceIdentifier<EndpointL3> l3EpIid = IidFactory.l3EndpointIid(l3EpKey);
91 Optional<EndpointL3> potentialL3Ep =
92 DataStoreHelper.readFromDs(LogicalDatastoreType.OPERATIONAL, l3EpIid, rwTx);
93 if (!potentialL3Ep.isPresent()) {
94 LOG.warn("PortByEndpoint created notification received but L3 endpoint {} does not exist in DS."
95 + " port-name was not added.", l3EpKey);
99 OfOverlayL3Context newOfOverlayL3Ctx = new OfOverlayL3ContextBuilder().setPortName(portName).build();
100 rwTx.merge(LogicalDatastoreType.OPERATIONAL, l3EpIid.augmentation(OfOverlayL3Context.class), newOfOverlayL3Ctx);
102 DataStoreHelper.submitToDs(rwTx);
106 protected void onDelete(DataObjectModification<PortByEndpoint> rootNode,
107 InstanceIdentifier<PortByEndpoint> rootIdentifier) {
112 protected void onSubtreeModified(DataObjectModification<PortByEndpoint> rootNode,
113 InstanceIdentifier<PortByEndpoint> rootIdentifier) {
117 private static Name createTapPortName(UniqueId portId) {
118 return new Name(TAP + portId.getValue().substring(0, 11));