pcep/tunnel-provider/src/test/java/org/opendaylight/bgpcep/pcep/tunnel/provider/NodeChangedListenerTest.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.pcep.tunnel.provider;
  10
  11 import com.google.common.base.Optional;
  12 import com.google.common.collect.Lists;
  13 import org.junit.After;
  14 import org.junit.Assert;
  15 import org.junit.Before;
  16 import org.junit.Test;
  17 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  18 import org.opendaylight.controller.md.sal.binding.api.ReadTransaction;
  19 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  20 import org.opendaylight.controller.md.sal.binding.test.AbstractDataBrokerTest;
  21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  22 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  23 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.Bandwidth;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Path1;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Path1Builder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.LspIdentifiersBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.Ipv4CaseBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv4._case.Ipv4Builder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.object.LspBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.object.lsp.TlvsBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.bandwidth.object.BandwidthBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.Ipv4ExtendedTunnelId;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.LspId;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.Node1;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.Node1Builder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.PccSyncState;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.PathComputationClientBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.ReportedLsp;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.ReportedLspBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.ReportedLspKey;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.reported.lsp.PathBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.topology.pcep.rev131024.pcep.client.attributes.path.computation.client.reported.lsp.PathKey;
  46 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  47 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  48 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  49 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
  50 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  51 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyBuilder;
  52 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  53 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
  54 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  55 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  57 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  58 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.node.attributes.SupportingNode;
  59 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  60 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  61
  62 public class NodeChangedListenerTest extends AbstractDataBrokerTest {
  63
  64     private static final TopologyId PCEP_TOPOLOGY_ID = new TopologyId("pcep-topology");
  65     private static final TopologyId TUNNEL_TOPOLOGY_ID = new TopologyId("tunnel-topology");
  66
  67     private static final String NODE1_IPV4 = "39.39.39.39";
  68     private static final NodeId NODE1_ID = new NodeId("pcc://" + NODE1_IPV4);
  69     private static final String LSP1_NAME = "lsp1";
  70     private static final long LSP1_ID = 1;
  71
  72     private static final String NODE2_IPV4 = "40.40.40.40";
  73     private static final NodeId NODE2_ID = new NodeId("pcc://" + NODE2_IPV4);
  74     private static final String LSP2_NAME = "lsp2";
  75     private static final long LSP2_ID = 2;
  76
  77     private static final InstanceIdentifier<Topology> PCEP_TOPO_IID = InstanceIdentifier.builder(NetworkTopology.class).child(Topology.class, new TopologyKey(PCEP_TOPOLOGY_ID)).build();
  78     private static final InstanceIdentifier<Topology> TUNNEL_TOPO_IID = InstanceIdentifier.builder(NetworkTopology.class).child(Topology.class, new TopologyKey(TUNNEL_TOPOLOGY_ID)).build();
  79
  80     private ListenerRegistration<NodeChangedListener> listenerRegistration;
  81
  82     @Before
  83     public void setUp() throws TransactionCommitFailedException {
  84         final WriteTransaction wTx = getDataBroker().newWriteOnlyTransaction();
  85         wTx.put(LogicalDatastoreType.OPERATIONAL, PCEP_TOPO_IID, new TopologyBuilder().setKey(new TopologyKey(PCEP_TOPOLOGY_ID)).setNode(Lists.<Node>newArrayList()).setTopologyId(PCEP_TOPOLOGY_ID).build(), true);
  86         wTx.put(LogicalDatastoreType.OPERATIONAL, TUNNEL_TOPO_IID, new TopologyBuilder().setKey(new TopologyKey(TUNNEL_TOPOLOGY_ID)).setTopologyId(TUNNEL_TOPOLOGY_ID).build(), true);
  87         wTx.submit().checkedGet();
  88         final NodeChangedListener nodeListener = new NodeChangedListener(getDataBroker(), PCEP_TOPOLOGY_ID, TUNNEL_TOPO_IID);
  89         this.listenerRegistration = getDataBroker().registerDataTreeChangeListener(new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, PCEP_TOPO_IID.child(Node.class)), nodeListener);
  90     }
  91
  92     @Test
  93     public void testNodeChangedListener() throws ReadFailedException, TransactionCommitFailedException {
  94         // add node -> create two nodes with TPs and link
  95         createNode(NODE1_ID, NODE1_IPV4, LSP1_NAME, LSP1_ID, NODE2_IPV4);
  96         final Topology tunnelTopo = readTunnelTopology().get();
  97         Assert.assertEquals(2, tunnelTopo.getNode().size());
  98
  99         final NodeId srcId = new NodeId("ip://" + new IpAddress(new Ipv4Address(NODE1_IPV4)));
 100         final NodeId dstId = new NodeId("ip://" + new IpAddress(new Ipv4Address(NODE2_IPV4)));
 101
 102         Node dst;
 103         Node src;
 104
 105         if (tunnelTopo.getNode().get(0).getNodeId().equals(srcId)) {
 106             src = tunnelTopo.getNode().get(0);
 107             dst =  tunnelTopo.getNode().get(1);
 108         } else {
 109             src = tunnelTopo.getNode().get(1);
 110             dst =  tunnelTopo.getNode().get(0);
 111         }
 112
 113         Assert.assertEquals(srcId, src.getNodeId());
 114         Assert.assertEquals(dstId, dst.getNodeId());
 115
 116         Assert.assertEquals(1, dst.getTerminationPoint().size());
 117         Assert.assertEquals(1, src.getTerminationPoint().size());
 118         final TerminationPoint dstTp = dst.getTerminationPoint().get(0);
 119         final TerminationPoint srcTp = src.getTerminationPoint().get(0);
 120         final TpId dstNodeTpId = new TpId(dstId.getValue());
 121         final TpId srcNodeTpId = new TpId(srcId.getValue());
 122         Assert.assertEquals(dstNodeTpId, dstTp.getTpId());
 123         Assert.assertEquals(srcNodeTpId, srcTp.getTpId());
 124
 125         Assert.assertEquals(1, src.getSupportingNode().size());
 126         Assert.assertNull(dst.getSupportingNode());
 127         final SupportingNode sNode = src.getSupportingNode().get(0);
 128         Assert.assertEquals(NODE1_ID, sNode.getKey().getNodeRef());
 129
 130         Assert.assertEquals(1, tunnelTopo.getLink().size());
 131         final Link link = tunnelTopo.getLink().get(0);
 132         Assert.assertEquals(srcId, link.getSource().getSourceNode());
 133         Assert.assertEquals(srcNodeTpId, link.getSource().getSourceTp());
 134         Assert.assertEquals(dstId, link.getDestination().getDestNode());
 135         Assert.assertEquals(dstNodeTpId, link.getDestination().getDestTp());
 136
 137         // update second node -> adds supporting node and second link
 138         createNode(NODE2_ID, NODE2_IPV4, LSP2_NAME, LSP2_ID, NODE1_IPV4);
 139         final Topology updatedNodeTopo = readTunnelTopology().get();
 140         Assert.assertEquals(2, updatedNodeTopo.getNode().size());
 141
 142         Node updatedNode;
 143
 144         if (updatedNodeTopo.getNode().get(0).getNodeId().equals(srcId)) {
 145             updatedNode = updatedNodeTopo.getNode().get(1);
 146         } else {
 147             updatedNode = updatedNodeTopo.getNode().get(0);
 148         }
 149
 150         Assert.assertEquals(1, updatedNode.getSupportingNode().size());
 151         final SupportingNode sNode2 = updatedNode.getSupportingNode().get(0);
 152         Assert.assertEquals(NODE2_ID, sNode2.getNodeRef());
 153
 154         Assert.assertEquals(2, updatedNodeTopo.getLink().size());
 155
 156         Link link2;
 157         if (updatedNodeTopo.getLink().get(0).getSource().getSourceNode().equals(srcId)) {
 158             link2 = updatedNodeTopo.getLink().get(1);
 159         } else {
 160             link2 = updatedNodeTopo.getLink().get(0);
 161         }
 162
 163         Assert.assertEquals(dstId, link2.getSource().getSourceNode());
 164         Assert.assertEquals(dstNodeTpId, link2.getSource().getSourceTp());
 165         Assert.assertEquals(srcId, link2.getDestination().getDestNode());
 166         Assert.assertEquals(srcNodeTpId, link2.getDestination().getDestTp());
 167
 168         // remove nodes -> remove link
 169         removeNode(NODE1_ID);
 170         removeNode(NODE2_ID);
 171         final Topology removedNodeTopo = readTunnelTopology().get();
 172         Assert.assertEquals(0, removedNodeTopo.getNode().size());
 173         Assert.assertEquals(0, removedNodeTopo.getLink().size());
 174     }
 175
 176     @After
 177     public void tearDown() {
 178         this.listenerRegistration.close();
 179     }
 180
 181     private void createNode(final NodeId nodeId, final String ipv4Address, final String lspName, final long lspId, final String dstIpv4Address) throws TransactionCommitFailedException {
 182         final NodeBuilder nodeBuilder = new NodeBuilder();
 183         nodeBuilder.setKey(new NodeKey(nodeId));
 184         nodeBuilder.setNodeId(nodeId);
 185         final PathBuilder pathBuilder = new PathBuilder();
 186         pathBuilder.setKey(new PathKey(new LspId(lspId)));
 187         pathBuilder.setBandwidth(new BandwidthBuilder().setBandwidth(new Bandwidth(new byte[] {0x00, 0x00, (byte) 0xff, (byte) 0xff})).build());
 188         pathBuilder.addAugmentation(Path1.class, new Path1Builder().setLsp(new LspBuilder().setTlvs(new TlvsBuilder().setLspIdentifiers(new LspIdentifiersBuilder().setAddressFamily(new Ipv4CaseBuilder().setIpv4(new Ipv4Builder().setIpv4TunnelSenderAddress(new Ipv4Address(ipv4Address)).setIpv4ExtendedTunnelId(new Ipv4ExtendedTunnelId(ipv4Address)).setIpv4TunnelEndpointAddress(new Ipv4Address(dstIpv4Address)).build()).build()).build()).build()).setAdministrative(true).setDelegate(true).build()).build());
 189         final ReportedLsp reportedLps = new ReportedLspBuilder().setKey(new ReportedLspKey(lspName)).setPath(Lists.newArrayList(pathBuilder.build())).build();
 190         final Node1Builder node1Builder = new Node1Builder();
 191         node1Builder.setPathComputationClient(new PathComputationClientBuilder().setStateSync(PccSyncState.Synchronized).setReportedLsp(Lists.newArrayList(reportedLps)).setIpAddress(new IpAddress(new Ipv4Address(ipv4Address))).build());
 192         nodeBuilder.addAugmentation(Node1.class, node1Builder.build());
 193         final WriteTransaction wTx = getDataBroker().newWriteOnlyTransaction();
 194         wTx.put(LogicalDatastoreType.OPERATIONAL, PCEP_TOPO_IID.builder().child(Node.class, new NodeKey(nodeId)).build(), nodeBuilder.build());
 195         wTx.submit().checkedGet();
 196     }
 197
 198     private void removeNode(final NodeId nodeId) throws TransactionCommitFailedException {
 199         final WriteTransaction wTx = getDataBroker().newWriteOnlyTransaction();
 200         wTx.delete(LogicalDatastoreType.OPERATIONAL, PCEP_TOPO_IID.builder().child(Node.class, new NodeKey(nodeId)).build());
 201         wTx.submit().checkedGet();
 202     }
 203
 204     private Optional<Topology> readTunnelTopology() throws ReadFailedException {
 205         final ReadTransaction rTx = getDataBroker().newReadOnlyTransaction();
 206         return rTx.read(LogicalDatastoreType.OPERATIONAL, TUNNEL_TOPO_IID).checkedGet();
 207     }
 208 }