neutron-vpp-mapper/src/main/java/org/opendaylight/groupbasedpolicy/neutron/vpp/mapper/processors/NetworkAware.java

   1 /*
   2  * Copyright (c) 2016 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.groupbasedpolicy.neutron.vpp.mapper.processors;
  10
  11 import java.util.ArrayList;
  12 import java.util.List;
  13
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  16 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.Config;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.FlatNetwork;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.NetworkTypeBase;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.VlanNetwork;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.config.GbpBridgeDomain;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.config.GbpBridgeDomainBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.config.GbpBridgeDomainKey;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.bridge.domain.base.attributes.PhysicalLocationRef;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.bridge.domain.base.attributes.PhysicalLocationRefBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanId;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.NetworkTypeFlat;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.NetworkTypeVlan;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.Networks;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.networks.Network;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.provider.ext.rev150712.NetworkProviderExtension;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  35 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  36 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  37 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  38 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  40 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  41 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44
  45 import com.google.common.annotations.VisibleForTesting;
  46 import com.google.common.base.Function;
  47 import com.google.common.base.Optional;
  48 import com.google.common.collect.Lists;
  49
  50 public class NetworkAware implements MappingProvider<Network> {
  51
  52     private static final Logger LOG = LoggerFactory.getLogger(NetworkAware.class);
  53
  54     private final DataBroker dataBroker;
  55
  56     public NetworkAware(DataBroker dataBroker) {
  57         this.dataBroker = dataBroker;
  58     }
  59
  60     @Override
  61     public InstanceIdentifier<Network> getNeutronDtoIid() {
  62         return InstanceIdentifier.builder(Neutron.class).child(Networks.class).child(Network.class).build();
  63     }
  64
  65     @Override
  66     public void processCreatedNeutronDto(Network network) {
  67         GbpBridgeDomain bridgeDomain = createGbpBridgeDomain(network);
  68         if (bridgeDomain != null) {
  69             ReadWriteTransaction rwTx = dataBroker.newReadWriteTransaction();
  70             rwTx.put(LogicalDatastoreType.CONFIGURATION, getGbpBridgeDomainIid(bridgeDomain.getId()), bridgeDomain, true);
  71             DataStoreHelper.submitToDs(rwTx);
  72         }
  73     }
  74
  75     @VisibleForTesting
  76     GbpBridgeDomain createGbpBridgeDomain(Network network) {
  77         GbpBridgeDomainBuilder bridgeDomainBuilder = new GbpBridgeDomainBuilder();
  78         String description = (network.getName() != null) ? network.getName() : "Neutron network";
  79         bridgeDomainBuilder.setDescription(description);
  80         bridgeDomainBuilder.setId(network.getUuid().getValue());
  81         NetworkProviderExtension providerAug = network.getAugmentation(NetworkProviderExtension.class);
  82         if (providerAug == null || providerAug.getNetworkType() == null) {
  83             LOG.error("Cannot create VPP bridge domain. Network type not specified in neutron network: {}", network);
  84             return null;
  85         }
  86         Class<? extends NetworkTypeBase> netType = convertNetworkType(providerAug.getNetworkType());
  87         if (netType == null) {
  88             return null;
  89         }
  90         bridgeDomainBuilder.setPhysicalLocationRef(resolveDomainLocations(providerAug));
  91         bridgeDomainBuilder.setType(netType);
  92         if (providerAug.getNetworkType().isAssignableFrom(NetworkTypeVlan.class)
  93                 && providerAug.getSegmentationId() != null) {
  94             try {
  95                 bridgeDomainBuilder.setVlan(new VlanId(Integer.valueOf(providerAug.getSegmentationId())));
  96             } catch (NumberFormatException e) {
  97                 LOG.error("Neutron network {}. Cannot create VLAN ID from segmentation-id: {}. {}",
  98                         providerAug.getSegmentationId(), network.getUuid(), e);
  99                 return null;
 100             }
 101         }
 102         return bridgeDomainBuilder.build();
 103     }
 104
 105     @VisibleForTesting
 106     List<PhysicalLocationRef> resolveDomainLocations(NetworkProviderExtension providerAug) {
 107         List<PhysicalLocationRef> locationRefs = new ArrayList<>();
 108         ReadOnlyTransaction rTx = dataBroker.newReadOnlyTransaction();
 109         if (providerAug.getPhysicalNetwork() == null) {
 110             return null;
 111         }
 112         Optional<Topology> readTopology = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
 113                 getTopologyIid(new TopologyId(providerAug.getPhysicalNetwork())), rTx);
 114         if (readTopology.isPresent()) {
 115             Topology topology = readTopology.get();
 116             for (Node node : topology.getNode()) {
 117                 PhysicalLocationRefBuilder location = new PhysicalLocationRefBuilder();
 118                 location.setNodeId(node.getNodeId());
 119                 location.setInterface(Lists.transform(node.getTerminationPoint(),
 120                         new Function<TerminationPoint, String>() {
 121
 122                             @Override
 123                             public String apply(TerminationPoint input) {
 124                                 return input.getTpId().getValue();
 125                             }
 126                         }));
 127                 locationRefs.add(location.build());
 128             }
 129         }
 130         return locationRefs;
 131     }
 132
 133     public static Class<? extends NetworkTypeBase> convertNetworkType(
 134             Class<? extends org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.NetworkTypeBase> base) {
 135         if (base.isAssignableFrom(NetworkTypeFlat.class)) {
 136             return FlatNetwork.class;
 137         }
 138         if (base.isAssignableFrom(NetworkTypeVlan.class)) {
 139             return VlanNetwork.class;
 140         }
 141         return null;
 142     }
 143
 144     InstanceIdentifier<Topology> getTopologyIid(TopologyId topologyId) {
 145         return InstanceIdentifier.builder(NetworkTopology.class)
 146             .child(Topology.class, new TopologyKey(topologyId))
 147             .build();
 148     }
 149
 150     InstanceIdentifier<GbpBridgeDomain> getGbpBridgeDomainIid(String id) {
 151         return InstanceIdentifier.builder(Config.class).child(GbpBridgeDomain.class, new GbpBridgeDomainKey(id)).build();
 152     }
 153
 154     @Override
 155     public void processUpdatedNeutronDto(Network originalNetwork, Network updatedNetwork) {
 156         InstanceIdentifier<GbpBridgeDomain> bdIid = getGbpBridgeDomainIid(originalNetwork.getUuid().getValue());
 157         ReadWriteTransaction rwTx = dataBroker.newReadWriteTransaction();
 158         deleteBridgeDomainIfPresent(rwTx, bdIid);
 159         GbpBridgeDomain updatedBridgeDomain = createGbpBridgeDomain(updatedNetwork);
 160         if (updatedBridgeDomain != null) {
 161             rwTx.put(LogicalDatastoreType.CONFIGURATION, bdIid, updatedBridgeDomain, true);
 162         }
 163         DataStoreHelper.submitToDs(rwTx);
 164     }
 165
 166     private void deleteBridgeDomainIfPresent(ReadWriteTransaction rwTx, InstanceIdentifier<GbpBridgeDomain> bdIid) {
 167         Optional<GbpBridgeDomain> readFromDs = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION, bdIid, rwTx);
 168         if (readFromDs.isPresent()) {
 169             rwTx.delete(LogicalDatastoreType.CONFIGURATION, bdIid);
 170         }
 171     }
 172
 173     @Override
 174     public void processDeletedNeutronDto(Network network) {
 175         InstanceIdentifier<GbpBridgeDomain> bdIid = getGbpBridgeDomainIid(network.getUuid().getValue());
 176         ReadWriteTransaction rwTx = dataBroker.newReadWriteTransaction();
 177         deleteBridgeDomainIfPresent(rwTx, bdIid);
 178         DataStoreHelper.submitToDs(rwTx);
 179     }
 180 }