bgp/openconfig-impl/src/main/java/org/opendaylight/protocol/bgp/openconfig/impl/BGPOpenConfigMappingServiceImpl.java

   1 /*
   2  * Copyright (c) 2015 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.protocol.bgp.openconfig.impl;
  10
  11 import static org.opendaylight.protocol.bgp.openconfig.impl.util.OpenConfigUtil.APPLICATION_PEER_GROUP_NAME;
  12 import static org.opendaylight.protocol.bgp.openconfig.impl.util.OpenConfigUtil.toPeerType;
  13
  14 import com.google.common.base.Optional;
  15 import java.math.BigDecimal;
  16 import java.util.ArrayList;
  17 import java.util.Collections;
  18 import java.util.HashMap;
  19 import java.util.List;
  20 import java.util.Map;
  21 import java.util.stream.Collectors;
  22 import org.opendaylight.protocol.bgp.mode.api.PathSelectionMode;
  23 import org.opendaylight.protocol.bgp.mode.impl.add.all.paths.AllPathSelection;
  24 import org.opendaylight.protocol.bgp.mode.impl.add.n.paths.AddPathBestNPathSelection;
  25 import org.opendaylight.protocol.bgp.openconfig.impl.util.OpenConfigUtil;
  26 import org.opendaylight.protocol.bgp.openconfig.spi.BGPOpenConfigMappingService;
  27 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.AfiSafi;
  28 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.BgpNeighborAddPathsConfig;
  29 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.global.base.AfiSafisBuilder;
  30 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.global.base.ConfigBuilder;
  31 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.RouteReflectorBuilder;
  32 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.TimersBuilder;
  33 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.TransportBuilder;
  34 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbors.Neighbor;
  35 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbors.NeighborBuilder;
  36 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbors.NeighborKey;
  37 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.peer.group.PeerGroup;
  38 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.peer.group.PeerGroupBuilder;
  39 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.peer.group.PeerGroupKey;
  40 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.Bgp;
  41 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.BgpBuilder;
  42 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.bgp.Global;
  43 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.bgp.GlobalBuilder;
  44 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.bgp.NeighborsBuilder;
  45 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.bgp.PeerGroups;
  46 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.bgp.PeerGroupsBuilder;
  47 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.types.rev151009.CommunityType;
  48 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.types.rev151009.PeerType;
  49 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.network.instance.protocols.Protocol;
  50 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.network.instance.protocols.ProtocolBuilder;
  51 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.network.instance.protocols.ProtocolKey;
  52 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.policy.types.rev151009.BGP;
  53 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
  54 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  55 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  56 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.SendReceive;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.add.path.capability.AddressFamilies;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.add.path.capability.AddressFamiliesBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev160614.AfiSafi1;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev160614.AfiSafi2;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev160614.Config2;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev160614.Config2Builder;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev160614.Protocol1;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev160614.Protocol1Builder;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.ApplicationRibId;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.PeerRole;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.RibId;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.SimpleRoutingPolicy;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.BgpId;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.ClusterIdentifier;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.rfc2385.cfg.rev160324.Rfc2385Key;
  75
  76 public final class BGPOpenConfigMappingServiceImpl implements BGPOpenConfigMappingService {
  77
  78     private static final PeerGroup APP_PEER_GROUP = new PeerGroupBuilder().setPeerGroupName(APPLICATION_PEER_GROUP_NAME)
  79             .setKey(new PeerGroupKey(APPLICATION_PEER_GROUP_NAME)).build();
  80     private static final PeerGroups PEER_GROUPS = new PeerGroupsBuilder().setPeerGroup(Collections.singletonList(APP_PEER_GROUP)).build();
  81     private static final BigDecimal DEFAULT_KEEP_ALIVE = BigDecimal.valueOf(30);
  82     private static final BigDecimal DEFAULT_MINIMUM_ADV_INTERVAL = BigDecimal.valueOf(30);
  83
  84     @Override
  85     public List<BgpTableType> toTableTypes(final List<AfiSafi> afiSafis) {
  86         return afiSafis.stream()
  87                 .map(afiSafi -> OpenConfigUtil.toBgpTableType(afiSafi.getAfiSafiName()))
  88                 .filter(Optional::isPresent)
  89                 .map(Optional::get)
  90                 .collect(Collectors.toList());
  91     }
  92
  93     @Override
  94     public Map<BgpTableType, PathSelectionMode> toPathSelectionMode(final List<AfiSafi> afiSafis) {
  95         final Map<BgpTableType, PathSelectionMode> pathSelectionModes = new HashMap<>();
  96         for (final AfiSafi afiSafi : afiSafis) {
  97             final BgpNeighborAddPathsConfig afiSafi2 = afiSafi.getAugmentation(AfiSafi2.class);
  98             final Optional<BgpTableType> bgpTableType = OpenConfigUtil.toBgpTableType(afiSafi.getAfiSafiName());
  99             if (afiSafi2 != null && bgpTableType.isPresent()) {
 100                 final Short sendMax = afiSafi2.getSendMax();
 101                 final PathSelectionMode selectionMode;
 102                 if (sendMax > 1) {
 103                     selectionMode = new AddPathBestNPathSelection(sendMax.longValue());
 104                 } else {
 105                     selectionMode = new AllPathSelection();
 106                 }
 107                 pathSelectionModes.put(bgpTableType.get(), selectionMode);
 108             }
 109         }
 110         return pathSelectionModes;
 111     }
 112
 113     @Override
 114     public boolean isApplicationPeer(final Neighbor neighbor) {
 115         return OpenConfigUtil.isAppNeighbor(neighbor);
 116     }
 117
 118     @Override
 119     public PeerRole toPeerRole(final Neighbor neighbor) {
 120         return OpenConfigUtil.toPeerRole(neighbor);
 121     }
 122
 123     @Override
 124     public List<AddressFamilies> toAddPathCapability(final List<AfiSafi> afiSafis) {
 125         final List<AddressFamilies> addPathCapability = new ArrayList<>();
 126         for (final AfiSafi afiSafi : afiSafis) {
 127             final BgpNeighborAddPathsConfig afiSafi1 = afiSafi.getAugmentation(AfiSafi1.class);
 128             final Optional<BgpTableType> bgpTableType = OpenConfigUtil.toBgpTableType(afiSafi.getAfiSafiName());
 129             if (afiSafi1 != null && bgpTableType.isPresent()) {
 130                 final AddressFamiliesBuilder builder = new AddressFamiliesBuilder(bgpTableType.get());
 131                 builder.setSendReceive(toSendReceiveMode(afiSafi1));
 132                 addPathCapability.add(builder.build());
 133             }
 134         }
 135         return addPathCapability;
 136     }
 137
 138     private static SendReceive toSendReceiveMode(final BgpNeighborAddPathsConfig addPath) {
 139         if (addPath.isReceive() && addPath.getSendMax() != null) {
 140             return SendReceive.Both;
 141         }
 142         if (addPath.getSendMax() != null) {
 143             return SendReceive.Send;
 144         }
 145         return SendReceive.Receive;
 146     }
 147
 148     @Override
 149     public Protocol fromRib(final BgpId bgpId, final ClusterIdentifier clusterIdentifier, final RibId ribId,
 150             final AsNumber localAs, final List<BgpTableType> localTables,
 151             final Map<TablesKey, PathSelectionMode> pathSelectionStrategies) {
 152         final Bgp bgp = toGlobalConfiguration(bgpId, clusterIdentifier, localAs, localTables, pathSelectionStrategies);
 153         final ProtocolBuilder protocolBuilder = new ProtocolBuilder();
 154         protocolBuilder.setIdentifier(BGP.class);
 155         protocolBuilder.setName(ribId.getValue());
 156         protocolBuilder.setKey(new ProtocolKey(protocolBuilder.getIdentifier(), protocolBuilder.getName()));
 157         return protocolBuilder.addAugmentation(Protocol1.class, new Protocol1Builder().setBgp(bgp).build()).build();
 158     }
 159
 160     private static Bgp toGlobalConfiguration(final BgpId bgpId, final ClusterIdentifier clusterIdentifier,
 161             final AsNumber localAs, final List<BgpTableType> localTables,
 162             final Map<TablesKey, PathSelectionMode> pathSelectionStrategies) {
 163         final BgpBuilder bgpBuilder = new BgpBuilder();
 164         bgpBuilder.setNeighbors(new NeighborsBuilder().build());
 165         bgpBuilder.setPeerGroups(PEER_GROUPS);
 166         final Global global = new GlobalBuilder().setAfiSafis(new AfiSafisBuilder().setAfiSafi(OpenConfigUtil.toAfiSafis(localTables,
 167                 (afiSafi, tableType) -> OpenConfigUtil.toGlobalAfiSafiAddPath(afiSafi, tableType, pathSelectionStrategies))).build())
 168                 .setConfig(new ConfigBuilder().setAs(localAs).setRouterId(bgpId).build()).build();
 169         bgpBuilder.setGlobal(global);
 170         return bgpBuilder.build();
 171     }
 172
 173     @Override
 174     public Neighbor fromBgpPeer(final List<AddressFamilies> addPathCapabilities,
 175             final List<BgpTableType> advertisedTables, final Integer holdTimer, final IpAddress ipAddress,
 176             final Boolean isActive, final Rfc2385Key password, final PortNumber portNumber, final Integer retryTimer,
 177             final AsNumber remoteAs, final PeerRole peerRole, final SimpleRoutingPolicy simpleRoutingPolicy) {
 178         final NeighborBuilder neighborBuilder = new NeighborBuilder();
 179         neighborBuilder.setNeighborAddress(ipAddress);
 180         neighborBuilder.setKey(new NeighborKey(ipAddress));
 181         neighborBuilder.setAfiSafis(new org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.AfiSafisBuilder().setAfiSafi(OpenConfigUtil.toAfiSafis(advertisedTables,
 182                 (afiSafi, tableType) -> OpenConfigUtil.toNeighborAfiSafiAddPath(afiSafi, tableType, addPathCapabilities))).build());
 183         neighborBuilder.setTransport(new TransportBuilder().setConfig(
 184                 new org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.transport.ConfigBuilder()
 185                 .setPassiveMode(!isActive)
 186                 .setMtuDiscovery(Boolean.FALSE)
 187                 .addAugmentation(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev160614.Config1.class,
 188                         new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev160614.Config1Builder()
 189                 .setRemotePort(portNumber).build())
 190                 .build()).build());
 191         neighborBuilder.setConfig(
 192                 new org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.ConfigBuilder()
 193                 .setAuthPassword(password != null ? password.getValue() : null)
 194                 .setPeerAs(remoteAs)
 195                 .setPeerType(toPeerType(peerRole))
 196                 .setSendCommunity(CommunityType.NONE)
 197                 .setRouteFlapDamping(Boolean.FALSE)
 198                 .build());
 199         neighborBuilder.setTimers(new TimersBuilder().setConfig(
 200                 new org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.timers.ConfigBuilder()
 201                 .setHoldTime(BigDecimal.valueOf(holdTimer))
 202                 .setConnectRetry(BigDecimal.valueOf(retryTimer))
 203                 .setKeepaliveInterval(DEFAULT_KEEP_ALIVE)
 204                 .setMinimumAdvertisementInterval(DEFAULT_MINIMUM_ADV_INTERVAL)
 205                 .build()).build());
 206         neighborBuilder.setRouteReflector(new RouteReflectorBuilder().setConfig(
 207                 new org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.route.reflector.ConfigBuilder()
 208                 .setRouteReflectorClient(peerRole == PeerRole.RrClient).build()).build());
 209         return neighborBuilder.build();
 210     }
 211
 212     @Override
 213     public Neighbor fromApplicationPeer(final ApplicationRibId applicationRibId, final BgpId bgpId) {
 214         final NeighborBuilder neighborBuilder = new NeighborBuilder();
 215         neighborBuilder.setNeighborAddress(new IpAddress(new Ipv4Address(bgpId.getValue())));
 216         neighborBuilder.setKey(new NeighborKey(neighborBuilder.getNeighborAddress()));
 217         neighborBuilder.setConfig(new org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.ConfigBuilder()
 218         .setDescription(applicationRibId.getValue())
 219         .addAugmentation(Config2.class, new Config2Builder().setPeerGroup(APPLICATION_PEER_GROUP_NAME).build())
 220         .build());
 221
 222         return neighborBuilder.build();
 223     }
 224
 225 }