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.Ipv4AddressNoZone;
  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.rev200120.PathId;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.Attributes;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.AttributesBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.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.rev200120.BgpOrigin;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.Ipv4AddressFamily;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.UnicastSubsequentAddressFamily;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.next.hop.c.next.hop.Ipv4NextHopCaseBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.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 import org.opendaylight.yangtools.yang.common.Uint32;
  46
  47 public class Ipv4ReachabilityTopologyBuilderTest extends AbstractTopologyBuilderTest {
  48
  49     static final Uint32 PATH_ID = Uint32.ONE;
  50     private static final String ROUTE_IP4PREFIX = "127.1.0.0/32";
  51     private static final String NEXT_HOP = "127.1.0.1";
  52     private static final String NEW_NEXT_HOP = "127.1.0.2";
  53
  54     private Ipv4ReachabilityTopologyBuilder ipv4TopoBuilder;
  55     private InstanceIdentifier<Ipv4Route> ipv4RouteIID;
  56
  57     @Before
  58     @Override
  59     public void setUp() {
  60         super.setUp();
  61         this.ipv4TopoBuilder = new Ipv4ReachabilityTopologyBuilder(getDataBroker(), LOC_RIB_REF, TEST_TOPOLOGY_ID);
  62         this.ipv4TopoBuilder.start();
  63         final InstanceIdentifier<Tables> path = LOC_RIB_REF.getInstanceIdentifier().builder().child(LocRib.class)
  64             .child(Tables.class, new TablesKey(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class)).build();
  65
  66         this.ipv4RouteIID = path.builder().child(Ipv4RoutesCase.class, Ipv4Routes.class)
  67             .child(Ipv4Route.class, new Ipv4RouteKey(new PathId(PATH_ID), ROUTE_IP4PREFIX)).build();
  68     }
  69
  70     @Test
  71     public void testIpv4ReachabilityTopologyBuilder() throws InterruptedException, ExecutionException {
  72         // create route
  73         updateIpv4Route(createIpv4Route(NEXT_HOP));
  74
  75         readDataOperational(getDataBroker(), this.ipv4TopoBuilder.getInstanceIdentifier(), topology -> {
  76             final TopologyTypes1 topologyTypes = topology.getTopologyTypes().augmentation(TopologyTypes1.class);
  77             assertNotNull(topologyTypes);
  78             assertNotNull(topologyTypes.getBgpIpv4ReachabilityTopology());
  79             assertEquals(1, topology.nonnullNode().size());
  80             final Node node = topology.nonnullNode().values().iterator().next();
  81             assertEquals(NEXT_HOP, node.getNodeId().getValue());
  82             assertEquals(ROUTE_IP4PREFIX, node.augmentation(Node1.class).getIgpNodeAttributes().nonnullPrefix().values()
  83                 .iterator().next().getPrefix().getIpv4Prefix().getValue());
  84             return topology;
  85         });
  86
  87         // update route
  88         updateIpv4Route(createIpv4Route(NEW_NEXT_HOP));
  89         readDataOperational(getDataBroker(), this.ipv4TopoBuilder.getInstanceIdentifier(), topology -> {
  90             assertEquals(1, topology.nonnullNode().size());
  91             final Node nodeUpdated = topology.nonnullNode().values().iterator().next();
  92             assertEquals(NEW_NEXT_HOP, nodeUpdated.getNodeId().getValue());
  93             assertEquals(ROUTE_IP4PREFIX, nodeUpdated.augmentation(Node1.class).getIgpNodeAttributes()
  94                 .nonnullPrefix().values().iterator().next().getPrefix().getIpv4Prefix().getValue());
  95             return topology;
  96         });
  97
  98         // delete route
  99         final WriteTransaction wTx = getDataBroker().newWriteOnlyTransaction();
 100         wTx.delete(LogicalDatastoreType.OPERATIONAL, this.ipv4RouteIID);
 101         wTx.commit();
 102         readDataOperational(getDataBroker(), this.ipv4TopoBuilder.getInstanceIdentifier(), topology -> {
 103             assertNull(topology.getNode());
 104             return topology;
 105         });
 106
 107         this.ipv4TopoBuilder.close();
 108         checkNotPresentOperational(getDataBroker(), this.ipv4TopoBuilder.getInstanceIdentifier());
 109     }
 110
 111     private void updateIpv4Route(final Ipv4Route data) {
 112         final WriteTransaction wTx = getDataBroker().newWriteOnlyTransaction();
 113         wTx.mergeParentStructurePut(LogicalDatastoreType.OPERATIONAL, this.ipv4RouteIID, data);
 114         wTx.commit();
 115     }
 116
 117     private static Ipv4Route createIpv4Route(final String nextHop) {
 118         final Attributes attribute = new AttributesBuilder()
 119             .setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build())
 120             .setCNextHop(new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder()
 121                 .setGlobal(new Ipv4AddressNoZone(nextHop)).build()).build()).build();
 122         return new Ipv4RouteBuilder().withKey(new Ipv4RouteKey(new PathId(PATH_ID), ROUTE_IP4PREFIX))
 123             .setPrefix(new Ipv4Prefix(ROUTE_IP4PREFIX)).setAttributes(attribute).build();
 124     }
 125
 126 }