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

   1 /*\r
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.\r
   3  *\r
   4  * This program and the accompanying materials are made available under the\r
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,\r
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html\r
   7  */\r
   8 \r
   9 package org.opendaylight.groupbasedpolicy.neutron.vpp.mapper.processors;\r
  10 \r
  11 import java.util.ArrayList;\r
  12 import java.util.List;\r
  13 \r
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;\r
  15 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;\r
  16 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;\r
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;\r
  18 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;\r
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.Config;\r
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.FlatNetwork;\r
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.NetworkTypeBase;\r
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.VlanNetwork;\r
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.config.BridgeDomain;\r
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.config.BridgeDomainBuilder;\r
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.config.BridgeDomainKey;\r
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.config.bridge.domain.PhysicalLocationRef;\r
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.config.bridge.domain.PhysicalLocationRefBuilder;\r
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanId;\r
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.NetworkTypeFlat;\r
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.NetworkTypeVlan;\r
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.Networks;\r
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.networks.Network;\r
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.provider.ext.rev150712.NetworkProviderExtension;\r
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;\r
  35 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;\r
  36 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;\r
  37 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;\r
  38 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;\r
  39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;\r
  40 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;\r
  41 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;\r
  42 import org.slf4j.Logger;\r
  43 import org.slf4j.LoggerFactory;\r
  44 \r
  45 import com.google.common.annotations.VisibleForTesting;\r
  46 import com.google.common.base.Function;\r
  47 import com.google.common.base.Optional;\r
  48 import com.google.common.collect.Lists;\r
  49 \r
  50 public class NetworkAware implements MappingProvider<Network> {\r
  51 \r
  52     private static final Logger LOG = LoggerFactory.getLogger(NetworkAware.class);\r
  53 \r
  54     private final DataBroker dataBroker;\r
  55 \r
  56     public NetworkAware(DataBroker dataBroker) {\r
  57         this.dataBroker = dataBroker;\r
  58     }\r
  59 \r
  60     @Override\r
  61     public InstanceIdentifier<Network> getNeutronDtoIid() {\r
  62         return InstanceIdentifier.builder(Neutron.class).child(Networks.class).child(Network.class).build();\r
  63     }\r
  64 \r
  65     @Override\r
  66     public void processCreatedNeutronDto(Network network) {\r
  67         BridgeDomain bridgeDomain = createBridgeDomain(network);\r
  68         if (bridgeDomain != null) {\r
  69             ReadWriteTransaction rwTx = dataBroker.newReadWriteTransaction();\r
  70             rwTx.put(LogicalDatastoreType.CONFIGURATION, getBridgeDomainIid(bridgeDomain.getId()), bridgeDomain);\r
  71             DataStoreHelper.submitToDs(rwTx);\r
  72         }\r
  73     }\r
  74 \r
  75     @VisibleForTesting\r
  76     BridgeDomain createBridgeDomain(Network network) {\r
  77         BridgeDomainBuilder bridgeDomainBuilder = new BridgeDomainBuilder();\r
  78         String description = (network.getName() != null) ? network.getName() : "Neutron network";\r
  79         bridgeDomainBuilder.setDescription(description);\r
  80         bridgeDomainBuilder.setId(network.getUuid().getValue());\r
  81         NetworkProviderExtension providerAug = network.getAugmentation(NetworkProviderExtension.class);\r
  82         if (providerAug == null || providerAug.getNetworkType() == null) {\r
  83             LOG.error("Cannot create VPP bridge domain. Network type not specified in neutron network: {}", network);\r
  84             return null;\r
  85         }\r
  86         bridgeDomainBuilder.setPhysicalLocationRef(resolveDomainLocations(providerAug));\r
  87         bridgeDomainBuilder.setType(convertNetworkType(providerAug.getNetworkType()));\r
  88         if (providerAug.getNetworkType().isAssignableFrom(NetworkTypeVlan.class)\r
  89                 && providerAug.getSegmentationId() != null) {\r
  90             try {\r
  91                 bridgeDomainBuilder.setVlan(new VlanId(Integer.valueOf(providerAug.getSegmentationId())));\r
  92             } catch (NumberFormatException e) {\r
  93                 LOG.error("Neutron network {}. Cannot create VLAN ID from segmentation-id: {}. {}",\r
  94                         providerAug.getSegmentationId(), network.getUuid(), e);\r
  95                 return null;\r
  96             }\r
  97         }\r
  98         return bridgeDomainBuilder.build();\r
  99     }\r
 100 \r
 101     @VisibleForTesting\r
 102     List<PhysicalLocationRef> resolveDomainLocations(NetworkProviderExtension providerAug) {\r
 103         List<PhysicalLocationRef> locationRefs = new ArrayList<>();\r
 104         ReadOnlyTransaction rTx = dataBroker.newReadOnlyTransaction();\r
 105         if (providerAug.getPhysicalNetwork() == null) {\r
 106             return null;\r
 107         }\r
 108         Optional<Topology> readTopology = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,\r
 109                 getTopologyIid(new TopologyId(providerAug.getPhysicalNetwork())), rTx);\r
 110         if (readTopology.isPresent()) {\r
 111             Topology topology = readTopology.get();\r
 112             for (Node node : topology.getNode()) {\r
 113                 PhysicalLocationRefBuilder location = new PhysicalLocationRefBuilder();\r
 114                 location.setNodeId(node.getNodeId());\r
 115                 location.setInterface(Lists.transform(node.getTerminationPoint(),\r
 116                         new Function<TerminationPoint, String>() {\r
 117 \r
 118                             @Override\r
 119                             public String apply(TerminationPoint input) {\r
 120                                 return input.getTpId().getValue();\r
 121                             }\r
 122                         }));\r
 123                 locationRefs.add(location.build());\r
 124             }\r
 125         }\r
 126         return locationRefs;\r
 127     }\r
 128 \r
 129     public static Class<? extends NetworkTypeBase> convertNetworkType(\r
 130             Class<? extends org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.NetworkTypeBase> base) {\r
 131         if (base.isAssignableFrom(NetworkTypeFlat.class)) {\r
 132             return FlatNetwork.class;\r
 133         }\r
 134         if (base.isAssignableFrom(NetworkTypeVlan.class)) {\r
 135             return VlanNetwork.class;\r
 136         }\r
 137         throw new IllegalStateException("Unsupported network type: " + base);\r
 138     }\r
 139 \r
 140     InstanceIdentifier<Topology> getTopologyIid(TopologyId topologyId) {\r
 141         return InstanceIdentifier.builder(NetworkTopology.class)\r
 142             .child(Topology.class, new TopologyKey(topologyId))\r
 143             .build();\r
 144     }\r
 145 \r
 146     InstanceIdentifier<BridgeDomain> getBridgeDomainIid(String id) {\r
 147         return InstanceIdentifier.builder(Config.class).child(BridgeDomain.class, new BridgeDomainKey(id)).build();\r
 148     }\r
 149 \r
 150     @Override\r
 151     public void processUpdatedNeutronDto(Network originalNetwork, Network updatedNetwork) {\r
 152         InstanceIdentifier<BridgeDomain> bdId = getBridgeDomainIid(originalNetwork.getUuid().getValue());\r
 153         ReadWriteTransaction rwTx = dataBroker.newReadWriteTransaction();\r
 154         rwTx.delete(LogicalDatastoreType.CONFIGURATION, bdId);\r
 155         rwTx.put(LogicalDatastoreType.CONFIGURATION, bdId, createBridgeDomain(updatedNetwork));\r
 156         DataStoreHelper.submitToDs(rwTx);\r
 157     }\r
 158 \r
 159     @Override\r
 160     public void processDeletedNeutronDto(Network network) {\r
 161         InstanceIdentifier<BridgeDomain> bdId = getBridgeDomainIid(network.getUuid().getValue());\r
 162         ReadWriteTransaction rwTx = dataBroker.newReadWriteTransaction();\r
 163         rwTx.delete(LogicalDatastoreType.CONFIGURATION, bdId);\r
 164         DataStoreHelper.submitToDs(rwTx);\r
 165     }\r
 166 }\r