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.binding.api.WriteTransaction;
  18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  19 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.Config;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.FlatNetwork;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.NetworkTypeBase;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.VlanNetwork;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.config.BridgeDomain;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.config.BridgeDomainBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.config.BridgeDomainKey;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.config.bridge.domain.PhysicalLocationRef;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.config.bridge.domain.PhysicalLocationRefBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanId;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.NetworkTypeFlat;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.NetworkTypeVlan;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.Networks;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.networks.Network;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.provider.ext.rev150712.NetworkProviderExtension;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  36 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  37 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  38 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  40 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  41 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  42 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  43 import org.slf4j.Logger;
  44 import org.slf4j.LoggerFactory;
  45
  46 import com.google.common.annotations.VisibleForTesting;
  47 import com.google.common.base.Function;
  48 import com.google.common.base.Optional;
  49 import com.google.common.collect.Lists;
  50
  51 public class NetworkAware implements MappingProvider<Network> {
  52
  53     private static final Logger LOG = LoggerFactory.getLogger(NetworkAware.class);
  54
  55     private final DataBroker dataBroker;
  56
  57     public NetworkAware(DataBroker dataBroker) {
  58         this.dataBroker = dataBroker;
  59     }
  60
  61     @Override
  62     public InstanceIdentifier<Network> getNeutronDtoIid() {
  63         return InstanceIdentifier.builder(Neutron.class).child(Networks.class).child(Network.class).build();
  64     }
  65
  66     @Override
  67     public void processCreatedNeutronDto(Network network) {
  68         BridgeDomain bridgeDomain = createBridgeDomain(network);
  69         if (bridgeDomain != null) {
  70             ReadWriteTransaction rwTx = dataBroker.newReadWriteTransaction();
  71             rwTx.put(LogicalDatastoreType.CONFIGURATION, getBridgeDomainIid(bridgeDomain.getId()), bridgeDomain, true);
  72             DataStoreHelper.submitToDs(rwTx);
  73         }
  74     }
  75
  76     @VisibleForTesting
  77     BridgeDomain createBridgeDomain(Network network) {
  78         BridgeDomainBuilder bridgeDomainBuilder = new BridgeDomainBuilder();
  79         String description = (network.getName() != null) ? network.getName() : "Neutron network";
  80         bridgeDomainBuilder.setDescription(description);
  81         bridgeDomainBuilder.setId(network.getUuid().getValue());
  82         NetworkProviderExtension providerAug = network.getAugmentation(NetworkProviderExtension.class);
  83         if (providerAug == null || providerAug.getNetworkType() == null) {
  84             LOG.error("Cannot create VPP bridge domain. Network type not specified in neutron network: {}", network);
  85             return null;
  86         }
  87         Class<? extends NetworkTypeBase> netType = convertNetworkType(providerAug.getNetworkType());
  88         if (netType == null) {
  89             return null;
  90         }
  91         bridgeDomainBuilder.setPhysicalLocationRef(resolveDomainLocations(providerAug));
  92         bridgeDomainBuilder.setType(netType);
  93         if (providerAug.getNetworkType().isAssignableFrom(NetworkTypeVlan.class)
  94                 && providerAug.getSegmentationId() != null) {
  95             try {
  96                 bridgeDomainBuilder.setVlan(new VlanId(Integer.valueOf(providerAug.getSegmentationId())));
  97             } catch (NumberFormatException e) {
  98                 LOG.error("Neutron network {}. Cannot create VLAN ID from segmentation-id: {}. {}",
  99                         providerAug.getSegmentationId(), network.getUuid(), e);
 100                 return null;
 101             }
 102         }
 103         return bridgeDomainBuilder.build();
 104     }
 105
 106     @VisibleForTesting
 107     List<PhysicalLocationRef> resolveDomainLocations(NetworkProviderExtension providerAug) {
 108         List<PhysicalLocationRef> locationRefs = new ArrayList<>();
 109         ReadOnlyTransaction rTx = dataBroker.newReadOnlyTransaction();
 110         if (providerAug.getPhysicalNetwork() == null) {
 111             return null;
 112         }
 113         Optional<Topology> readTopology = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
 114                 getTopologyIid(new TopologyId(providerAug.getPhysicalNetwork())), rTx);
 115         if (readTopology.isPresent()) {
 116             Topology topology = readTopology.get();
 117             for (Node node : topology.getNode()) {
 118                 PhysicalLocationRefBuilder location = new PhysicalLocationRefBuilder();
 119                 location.setNodeId(node.getNodeId());
 120                 location.setInterface(Lists.transform(node.getTerminationPoint(),
 121                         new Function<TerminationPoint, String>() {
 122
 123                             @Override
 124                             public String apply(TerminationPoint input) {
 125                                 return input.getTpId().getValue();
 126                             }
 127                         }));
 128                 locationRefs.add(location.build());
 129             }
 130         }
 131         return locationRefs;
 132     }
 133
 134     public static Class<? extends NetworkTypeBase> convertNetworkType(
 135             Class<? extends org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.NetworkTypeBase> base) {
 136         if (base.isAssignableFrom(NetworkTypeFlat.class)) {
 137             return FlatNetwork.class;
 138         }
 139         if (base.isAssignableFrom(NetworkTypeVlan.class)) {
 140             return VlanNetwork.class;
 141         }
 142         return null;
 143     }
 144
 145     InstanceIdentifier<Topology> getTopologyIid(TopologyId topologyId) {
 146         return InstanceIdentifier.builder(NetworkTopology.class)
 147             .child(Topology.class, new TopologyKey(topologyId))
 148             .build();
 149     }
 150
 151     InstanceIdentifier<BridgeDomain> getBridgeDomainIid(String id) {
 152         return InstanceIdentifier.builder(Config.class).child(BridgeDomain.class, new BridgeDomainKey(id)).build();
 153     }
 154
 155     @Override
 156     public void processUpdatedNeutronDto(Network originalNetwork, Network updatedNetwork) {
 157         InstanceIdentifier<BridgeDomain> bdIid = getBridgeDomainIid(originalNetwork.getUuid().getValue());
 158         ReadWriteTransaction rwTx = dataBroker.newReadWriteTransaction();
 159         deleteBridgeDomainIfPresent(rwTx, bdIid);
 160         BridgeDomain updatedBridgeDomain = createBridgeDomain(updatedNetwork);
 161         if (updatedBridgeDomain != null) {
 162             rwTx.put(LogicalDatastoreType.CONFIGURATION, bdIid, updatedBridgeDomain, true);
 163         }
 164         DataStoreHelper.submitToDs(rwTx);
 165     }
 166
 167     private void deleteBridgeDomainIfPresent(ReadWriteTransaction rwTx, InstanceIdentifier<BridgeDomain> bdIid) {
 168         Optional<BridgeDomain> readFromDs = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION, bdIid, rwTx);
 169         if (readFromDs.isPresent()) {
 170             rwTx.delete(LogicalDatastoreType.CONFIGURATION, bdIid);
 171         }
 172     }
 173
 174     @Override
 175     public void processDeletedNeutronDto(Network network) {
 176         InstanceIdentifier<BridgeDomain> bdIid = getBridgeDomainIid(network.getUuid().getValue());
 177         ReadWriteTransaction rwTx = dataBroker.newReadWriteTransaction();
 178         deleteBridgeDomainIfPresent(rwTx, bdIid);
 179         DataStoreHelper.submitToDs(rwTx);
 180     }
 181 }