renderers/vpp/src/test/java/org/opendaylight/groupbasedpolicy/renderer/vpp/dhcp/DhcpRelayHandlerTest.java

   1 /*
   2  * Copyright (c) 2017 Cisco Systems. 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.groupbasedpolicy.renderer.vpp.dhcp;
  10
  11 import java.util.AbstractMap;
  12 import java.util.Collections;
  13 import java.util.List;
  14 import java.util.concurrent.ExecutionException;
  15 import java.util.concurrent.locks.ReentrantLock;
  16
  17 import org.junit.Assert;
  18 import org.junit.Before;
  19 import org.junit.Test;
  20 import org.mockito.Mockito;
  21 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  22 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  23 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  24 import org.opendaylight.groupbasedpolicy.renderer.vpp.VppRendererDataBrokerTest;
  25 import org.opendaylight.groupbasedpolicy.renderer.vpp.commands.DhcpRelayCommand;
  26 import org.opendaylight.groupbasedpolicy.renderer.vpp.util.General;
  27 import org.opendaylight.groupbasedpolicy.renderer.vpp.util.MountedDataBrokerProvider;
  28 import org.opendaylight.groupbasedpolicy.renderer.vpp.util.VppIidFactory;
  29 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
  30 import org.opendaylight.vbd.impl.transaction.VbdNetconfTransaction;
  31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
  33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.ContextId;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.l2_l3.rev170511.L2BridgeDomain;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.l2_l3.rev170511.MacAddressType;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.l2_l3.rev170511.has.subnet.Subnet;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.forwarding.l2_l3.rev170511.has.subnet.SubnetBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.Config;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.ConfigBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425._interface.attributes._interface.type.choice.TapCaseBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.config.VppEndpoint;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.config.VppEndpointBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.Ipv4;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.dhcp.attributes.relays.Relay;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.dhcp.attributes.relays.RelayBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.dhcp.attributes.relays.RelayKey;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.relay.attributes.Server;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.relay.attributes.ServerBuilder;
  51 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  52 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  53
  54 import com.google.common.base.Optional;
  55 import com.google.common.collect.HashMultimap;
  56 import com.google.common.collect.SetMultimap;
  57
  58 public class DhcpRelayHandlerTest extends VppRendererDataBrokerTest {
  59
  60     public static final String TEST_BD = "testBD";
  61     public static final NodeId TEST_NODE = new NodeId("testNode");
  62     private static final long RX_VRF_ID = 0L;
  63     private static final SetMultimap<String, NodeId> vppNodesByL2Fd = HashMultimap.create();
  64     private static final String TEST_L2_CONTEXT_ID = "53064b9c-6dfa-40cd-81aa-02c88289e363";
  65     private static final IpAddress GATEWAY_IP_ADDRESS = new IpAddress(new Ipv4Address("10.0.0.1"));
  66     private static final IpAddress SERVER_IP_ADDRESS = new IpAddress(new Ipv4Address("10.0.0.2"));
  67     private static final String SERVER_MAC_ADDRESS = "fa:16:3e:a1:c5:c3";
  68     public static final List<Server> SERVER_LIST_1 =
  69         Collections.singletonList(new ServerBuilder().setVrfId(RX_VRF_ID).setAddress(SERVER_IP_ADDRESS).build());
  70     public static final DhcpRelayCommand DHCP_RELAY_COMMAND =
  71         DhcpRelayCommand.builder().setAddressType(Ipv4.class)
  72             .setGatewayIpAddress(GATEWAY_IP_ADDRESS)
  73             .setServerIpAddresses(SERVER_LIST_1)
  74             .setOperation(General.Operations.PUT)
  75             .setRxVrfId(RX_VRF_ID)
  76             .build();
  77     private static final VppEndpoint VPP_ENDPOINT = new VppEndpointBuilder()
  78         .setAddressType(MacAddressType.class)
  79         .setAddress(SERVER_MAC_ADDRESS)
  80         .setContextType(L2BridgeDomain.class)
  81         .setContextId(new ContextId(TEST_L2_CONTEXT_ID))
  82         .setInterfaceTypeChoice(new TapCaseBuilder().setDhcpServerAddress(SERVER_IP_ADDRESS).build())
  83         .setVppNodeId(TEST_NODE)
  84         .build();
  85     private static final Config VPP_RENDERER_CONFIG =
  86         new ConfigBuilder().setVppEndpoint(Collections.singletonList(VPP_ENDPOINT)).build();
  87     private static final Relay RELAY = new RelayBuilder()
  88         .setAddressType(Ipv4.class)
  89         .setGatewayAddress(GATEWAY_IP_ADDRESS)
  90         .setServer(SERVER_LIST_1)
  91         .setRxVrfId(RX_VRF_ID)
  92         .build();
  93     private static final Subnet
  94         subnet = new SubnetBuilder()
  95         .setDefaultSubnetGatewayIp(GATEWAY_IP_ADDRESS)
  96         .setIpPrefix(new IpPrefix(Ipv4Prefix.getDefaultInstance("10.0.0.2/24")))
  97         .build();
  98     private DataBroker dataBroker;
  99     private MountedDataBrokerProvider mountedDataProviderMock;
 100
 101     @Before
 102     public void init() throws ExecutionException, InterruptedException {
 103         dataBroker = getDataBroker();
 104         mountedDataProviderMock = Mockito.mock(MountedDataBrokerProvider.class);
 105         VbdNetconfTransaction.NODE_DATA_BROKER_MAP.put(VppIidFactory.getNetconfNodeIid(TEST_NODE),
 106                 new AbstractMap.SimpleEntry<DataBroker,ReentrantLock>(dataBroker, new ReentrantLock()));
 107         vppNodesByL2Fd.put(TEST_BD, TEST_NODE);
 108         Mockito.when(mountedDataProviderMock.resolveDataBrokerForMountPoint(Mockito.any(InstanceIdentifier.class)))
 109             .thenReturn(Optional.of(dataBroker));
 110         writeBasicDhcpVppEp();
 111     }
 112
 113     @Test
 114     public void createIpv4DhcpRelayTest() throws ExecutionException, InterruptedException {
 115         DhcpRelayHandler dhcpRelayHandler = new DhcpRelayHandler(dataBroker);
 116
 117         List<DhcpRelayCommand> createdIpv4DhcpRelays =
 118             dhcpRelayHandler.getCreatedIpv4DhcpRelays(RX_VRF_ID, subnet, vppNodesByL2Fd);
 119         createdIpv4DhcpRelays.forEach(dhcpRelayHandler::submitDhcpRelay);
 120
 121         Optional<Relay> relayOptional = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
 122             VppIidFactory.getDhcpRelayIid(DHCP_RELAY_COMMAND.getDhcpBuilder().getKey()),
 123             dataBroker.newReadOnlyTransaction());
 124         Assert.assertTrue(relayOptional.isPresent());
 125         Assert.assertEquals(RELAY, relayOptional.get());
 126     }
 127
 128     @Test
 129     public void createIpv4DhcpRelayTestWithNullServerIp() throws ExecutionException, InterruptedException {
 130         DhcpRelayHandler dhcpRelayHandler = new DhcpRelayHandler(dataBroker);
 131
 132         Subnet subnet1 = new SubnetBuilder(subnet).setDefaultSubnetGatewayIp(null).build();
 133
 134         List<DhcpRelayCommand> createdIpv4DhcpRelays =
 135         dhcpRelayHandler.getCreatedIpv4DhcpRelays(RX_VRF_ID, subnet1, vppNodesByL2Fd);
 136         createdIpv4DhcpRelays.forEach(dhcpRelayHandler::submitDhcpRelay);
 137
 138         Optional<Relay> relayOptional = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
 139             VppIidFactory.getDhcpRelayIid(DHCP_RELAY_COMMAND.getDhcpBuilder().getKey()),
 140             dataBroker.newReadOnlyTransaction());
 141         Assert.assertFalse(relayOptional.isPresent());
 142     }
 143
 144     @Test
 145     public void deleteIpv4DhcpRelayTest() throws ExecutionException, InterruptedException {
 146         DhcpRelayHandler dhcpRelayHandler = new DhcpRelayHandler(dataBroker);
 147         writeBasicRelay();
 148
 149         Optional<Relay> relayOptional = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
 150             VppIidFactory.getDhcpRelayIid(DHCP_RELAY_COMMAND.getDhcpBuilder().getKey()),
 151             dataBroker.newReadOnlyTransaction());
 152         Assert.assertTrue(relayOptional.isPresent());
 153         Assert.assertEquals(RELAY, relayOptional.get());
 154
 155         List<DhcpRelayCommand> deletedIpv4DhcpRelays =
 156             dhcpRelayHandler.getDeletedIpv4DhcpRelays(RX_VRF_ID, subnet, vppNodesByL2Fd);
 157         deletedIpv4DhcpRelays.forEach(dhcpRelayHandler::submitDhcpRelay);
 158
 159         relayOptional = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
 160             VppIidFactory.getDhcpRelayIid(DHCP_RELAY_COMMAND.getDhcpBuilder().getKey()),
 161             dataBroker.newReadOnlyTransaction());
 162         Assert.assertFalse(relayOptional.isPresent());
 163     }
 164
 165     private Optional<Relay> writeBasicRelay() throws InterruptedException, ExecutionException {
 166         ReadWriteTransaction rwTx = dataBroker.newReadWriteTransaction();
 167         rwTx.put(LogicalDatastoreType.CONFIGURATION,
 168             VppIidFactory.getDhcpRelayIid(new RelayKey(Ipv4.class, RX_VRF_ID)), RELAY, true);
 169         rwTx.submit().get();
 170
 171         return DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
 172             VppIidFactory.getDhcpRelayIid(new RelayKey(Ipv4.class, RX_VRF_ID)),
 173             dataBroker.newReadOnlyTransaction());
 174     }
 175
 176     private Optional<Config> writeBasicDhcpVppEp() throws InterruptedException, ExecutionException {
 177         ReadWriteTransaction rwTx = dataBroker.newReadWriteTransaction();
 178         rwTx.put(LogicalDatastoreType.CONFIGURATION,
 179             VppIidFactory.getVppRendererConfig(), VPP_RENDERER_CONFIG, true);
 180         rwTx.submit().get();
 181
 182         return DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION, VppIidFactory.getVppRendererConfig(),
 183             dataBroker.newReadOnlyTransaction());
 184     }
 185 }