bgp/topology-provider/src/test/java/org/opendaylight/bgpcep/bgp/topology/provider/Ipv4ReachabilityTopologyBuilderTest.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.bgpcep.bgp.topology.provider;
  10
  11 import static org.junit.Assert.assertEquals;
  12 import static org.junit.Assert.assertNotNull;
  13 import static org.junit.Assert.assertNull;
  14 import static org.opendaylight.protocol.util.CheckUtil.checkNotPresentOperational;
  15 import static org.opendaylight.protocol.util.CheckUtil.readDataOperational;
  16
  17 import java.util.concurrent.ExecutionException;
  18 import org.junit.Before;
  19 import org.junit.Test;
  20 import org.opendaylight.mdsal.binding.api.WriteTransaction;
  21 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.bgp.rib.rib.loc.rib.tables.routes.Ipv4RoutesCase;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.ipv4.routes.Ipv4Routes;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.ipv4.routes.ipv4.routes.Ipv4Route;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.ipv4.routes.ipv4.routes.Ipv4RouteBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev180329.ipv4.routes.ipv4.routes.Ipv4RouteKey;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.PathId;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.Attributes;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.AttributesBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.attributes.OriginBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.bgp.rib.rib.LocRib;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.Tables;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.TablesKey;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.BgpOrigin;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.Ipv4AddressFamily;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.UnicastSubsequentAddressFamily;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.next.hop.c.next.hop.Ipv4NextHopCaseBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.next.hop.c.next.hop.ipv4.next.hop._case.Ipv4NextHopBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp.topology.types.rev160524.TopologyTypes1;
  42 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  43 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.nt.l3.unicast.igp.topology.rev131021.Node1;
  44 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  45
  46 public class Ipv4ReachabilityTopologyBuilderTest extends AbstractTopologyBuilderTest {
  47
  48     static final long PATH_ID = 1;
  49     private static final String ROUTE_IP4PREFIX = "127.1.0.0/32";
  50     private static final String NEXT_HOP = "127.1.0.1";
  51     private static final String NEW_NEXT_HOP = "127.1.0.2";
  52
  53     private Ipv4ReachabilityTopologyBuilder ipv4TopoBuilder;
  54     private InstanceIdentifier<Ipv4Route> ipv4RouteIID;
  55
  56     @Before
  57     @Override
  58     public void setUp() {
  59         super.setUp();
  60         this.ipv4TopoBuilder = new Ipv4ReachabilityTopologyBuilder(getDataBroker(), LOC_RIB_REF, TEST_TOPOLOGY_ID);
  61         this.ipv4TopoBuilder.start();
  62         final InstanceIdentifier<Tables> path = LOC_RIB_REF.getInstanceIdentifier().builder().child(LocRib.class)
  63             .child(Tables.class, new TablesKey(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class)).build();
  64
  65         this.ipv4RouteIID = path.builder().child(Ipv4RoutesCase.class, Ipv4Routes.class)
  66             .child(Ipv4Route.class, new Ipv4RouteKey(new PathId(PATH_ID), ROUTE_IP4PREFIX)).build();
  67     }
  68
  69     @Test
  70     public void testIpv4ReachabilityTopologyBuilder() throws InterruptedException, ExecutionException {
  71         // create route
  72         updateIpv4Route(createIpv4Route(NEXT_HOP));
  73
  74         readDataOperational(getDataBroker(), this.ipv4TopoBuilder.getInstanceIdentifier(), topology -> {
  75             final TopologyTypes1 topologyTypes = topology.getTopologyTypes().augmentation(TopologyTypes1.class);
  76             assertNotNull(topologyTypes);
  77             assertNotNull(topologyTypes.getBgpIpv4ReachabilityTopology());
  78             assertEquals(1, topology.getNode().size());
  79             final Node node = topology.getNode().get(0);
  80             assertEquals(NEXT_HOP, node.getNodeId().getValue());
  81             assertEquals(ROUTE_IP4PREFIX, node.augmentation(Node1.class).getIgpNodeAttributes().getPrefix().get(0)
  82                 .getPrefix().getIpv4Prefix().getValue());
  83             return topology;
  84         });
  85
  86         // update route
  87         updateIpv4Route(createIpv4Route(NEW_NEXT_HOP));
  88         readDataOperational(getDataBroker(), this.ipv4TopoBuilder.getInstanceIdentifier(), topology -> {
  89             assertEquals(1, topology.getNode().size());
  90             final Node nodeUpdated = topology.getNode().get(0);
  91             assertEquals(NEW_NEXT_HOP, nodeUpdated.getNodeId().getValue());
  92             assertEquals(ROUTE_IP4PREFIX, nodeUpdated.augmentation(Node1.class).getIgpNodeAttributes()
  93                 .getPrefix().get(0).getPrefix().getIpv4Prefix().getValue());
  94             return topology;
  95         });
  96
  97         // delete route
  98         final WriteTransaction wTx = getDataBroker().newWriteOnlyTransaction();
  99         wTx.delete(LogicalDatastoreType.OPERATIONAL, this.ipv4RouteIID);
 100         wTx.commit();
 101         readDataOperational(getDataBroker(), this.ipv4TopoBuilder.getInstanceIdentifier(), topology -> {
 102             assertNull(topology.getNode());
 103             return topology;
 104         });
 105
 106         this.ipv4TopoBuilder.close();
 107         checkNotPresentOperational(getDataBroker(), this.ipv4TopoBuilder.getInstanceIdentifier());
 108     }
 109
 110     private void updateIpv4Route(final Ipv4Route data) {
 111         final WriteTransaction wTx = getDataBroker().newWriteOnlyTransaction();
 112         wTx.put(LogicalDatastoreType.OPERATIONAL, this.ipv4RouteIID, data, true);
 113         wTx.commit();
 114     }
 115
 116     private static Ipv4Route createIpv4Route(final String nextHop) {
 117         final Attributes attribute = new AttributesBuilder()
 118             .setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build())
 119             .setCNextHop(new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder()
 120                 .setGlobal(new Ipv4Address(nextHop)).build()).build()).build();
 121         return new Ipv4RouteBuilder().withKey(new Ipv4RouteKey(new PathId(PATH_ID), ROUTE_IP4PREFIX))
 122             .setPrefix(new Ipv4Prefix(ROUTE_IP4PREFIX)).setAttributes(attribute).build();
 123     }
 124
 125 }