impl/src/main/java/org/opendaylight/unimgr/impl/UnimgrProvider.java

   1 /*
   2  * Copyright (c) 2016 CableLabs 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 package org.opendaylight.unimgr.impl;
   9
  10 import java.util.List;
  11
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  16 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  17 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
  18 import org.opendaylight.unimgr.api.IUnimgrConsoleProvider;
  19 import org.opendaylight.unimgr.utils.EvcUtils;
  20 import org.opendaylight.unimgr.utils.MdsalUtils;
  21 import org.opendaylight.unimgr.utils.OvsdbUtils;
  22 import org.opendaylight.unimgr.utils.UniUtils;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeRef;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.unimgr.rev151012.Evc;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.unimgr.rev151012.EvcAugmentation;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.unimgr.rev151012.UniAugmentation;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.unimgr.rev151012.evc.UniDest;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.unimgr.rev151012.evc.UniSource;
  30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  31 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopologyBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  33 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  34 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  36 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
  37 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  38 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  39 import org.osgi.framework.BundleContext;
  40 import org.osgi.framework.FrameworkUtil;
  41 import org.osgi.framework.ServiceRegistration;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44
  45 import com.google.common.base.Optional;
  46 import com.google.common.util.concurrent.CheckedFuture;
  47
  48 public class UnimgrProvider implements BindingAwareProvider, AutoCloseable, IUnimgrConsoleProvider {
  49
  50     private static final Logger LOG = LoggerFactory.getLogger(UnimgrProvider.class);
  51     private DataBroker dataBroker;
  52     private EvcDataTreeChangeListener evcListener;
  53     private OvsNodeDataTreeChangeListener ovsListener;
  54     private UniDataTreeChangeListener uniListener;
  55     private ServiceRegistration<IUnimgrConsoleProvider> unimgrConsoleRegistration;
  56
  57     public UnimgrProvider() {
  58         LOG.info("Unimgr provider initialized");
  59     }
  60
  61     @Override
  62     public boolean addEvc(final EvcAugmentation evc) {
  63         // TODO Auto-generated method stub
  64         return false;
  65     }
  66
  67     @Override
  68     public boolean addUni(final UniAugmentation uniAug) {
  69         if ((uniAug == null) || (uniAug.getIpAddress() == null) || (uniAug.getMacAddress() == null)) {
  70             return false;
  71         }
  72         return UniUtils.createUniNode(dataBroker, uniAug);
  73     }
  74
  75     @Override
  76     public void close() throws Exception {
  77         LOG.info("UnimgrProvider Closed");
  78         unimgrConsoleRegistration.unregister();
  79         uniListener.close();
  80         evcListener.close();
  81         ovsListener.close();
  82     }
  83
  84     @Override
  85     public Evc getEvc(final String uuid) {
  86         // TODO Auto-generated method stub
  87         return null;
  88     }
  89
  90     @Override
  91     public UniAugmentation getUni(final IpAddress ipAddress) {
  92         return UniUtils.getUni(dataBroker, LogicalDatastoreType.OPERATIONAL, ipAddress);
  93     }
  94
  95     protected void initDatastore(final LogicalDatastoreType type,
  96                                  final TopologyId topoId) {
  97         final InstanceIdentifier<Topology> path = InstanceIdentifier
  98                                                 .create(NetworkTopology.class)
  99                                                 .child(Topology.class,
 100                                                         new TopologyKey(topoId));
 101         initializeTopology(type);
 102         final ReadWriteTransaction transaction = dataBroker.newReadWriteTransaction();
 103         final CheckedFuture<Optional<Topology>, ReadFailedException> unimgrTp = transaction.read(type,
 104                                                                                            path);
 105         try {
 106             if (!unimgrTp.get().isPresent()) {
 107                 final TopologyBuilder tpb = new TopologyBuilder();
 108                 tpb.setTopologyId(topoId);
 109                 transaction.put(type, path, tpb.build());
 110                 transaction.submit().get();
 111             } else {
 112                 transaction.cancel();
 113             }
 114         } catch (final Exception e) {
 115             LOG.error("Error initializing unimgr topology", e);
 116         }
 117     }
 118
 119     private void initializeTopology(final LogicalDatastoreType type) {
 120         final ReadWriteTransaction transaction = dataBroker.newReadWriteTransaction();
 121         final InstanceIdentifier<NetworkTopology> path = InstanceIdentifier.create(NetworkTopology.class);
 122         final CheckedFuture<Optional<NetworkTopology>, ReadFailedException> topology = transaction.read(type,path);
 123         try {
 124             if (!topology.get().isPresent()) {
 125                 final NetworkTopologyBuilder ntb = new NetworkTopologyBuilder();
 126                 transaction.put(type,path,ntb.build());
 127                 transaction.submit().get();
 128             } else {
 129                 transaction.cancel();
 130             }
 131         } catch (final Exception e) {
 132             LOG.error("Error initializing unimgr topology {}",e);
 133         }
 134     }
 135
 136     @Override
 137     public List<UniAugmentation> listUnis(final LogicalDatastoreType dataStoreType) {
 138         return UniUtils.getUnis(dataBroker, dataStoreType);
 139     }
 140
 141     @Override
 142     public void onSessionInitiated(final ProviderContext session) {
 143         LOG.info("UnimgrProvider Session Initiated");
 144
 145         // Retrieve the data broker to create transactions
 146         dataBroker =  session.getSALService(DataBroker.class);
 147         // Register the unimgr OSGi CLI
 148         final BundleContext context = FrameworkUtil.getBundle(this.getClass()).getBundleContext();
 149         unimgrConsoleRegistration = context.registerService(IUnimgrConsoleProvider.class,this, null);
 150
 151         // Register the data trees change listener
 152         uniListener = new UniDataTreeChangeListener(dataBroker);
 153         evcListener = new EvcDataTreeChangeListener(dataBroker);
 154         ovsListener = new OvsNodeDataTreeChangeListener(dataBroker);
 155
 156         // Initialize operational and default config data in MD-SAL data store
 157         initDatastore(LogicalDatastoreType.CONFIGURATION,
 158                       UnimgrConstants.UNI_TOPOLOGY_ID);
 159         initDatastore(LogicalDatastoreType.OPERATIONAL,
 160                       UnimgrConstants.UNI_TOPOLOGY_ID);
 161         initDatastore(LogicalDatastoreType.CONFIGURATION,
 162                       UnimgrConstants.EVC_TOPOLOGY_ID);
 163         initDatastore(LogicalDatastoreType.OPERATIONAL,
 164                       UnimgrConstants.EVC_TOPOLOGY_ID);
 165     }
 166
 167     @Override
 168     public boolean removeEvc(final String uuid) {
 169         // TODO Auto-generated method stub
 170         return false;
 171     }
 172
 173     @Override
 174     public boolean removeUni(final IpAddress ipAddress) {
 175         final InstanceIdentifier<Node> iidUni = UnimgrMapper.getUniIid(dataBroker, ipAddress, LogicalDatastoreType.CONFIGURATION);
 176         if (iidUni == null) {
 177             return false;
 178         }
 179         return MdsalUtils.deleteNode(dataBroker, iidUni, LogicalDatastoreType.CONFIGURATION);
 180     }
 181
 182     @Override
 183     public boolean updateEvc(final InstanceIdentifier<Link> evcKey, final EvcAugmentation evc, final UniSource uniSource,
 184             final UniDest uniDest) {
 185         final InstanceIdentifier<?> sourceUniIid = uniSource.getUni();
 186         final InstanceIdentifier<?> destinationUniIid = uniDest.getUni();
 187         return EvcUtils.updateEvcNode(LogicalDatastoreType.CONFIGURATION, evcKey, evc, sourceUniIid,
 188                 destinationUniIid, dataBroker);
 189     }
 190
 191     @Override
 192     public boolean updateUni(final UniAugmentation uni) {
 193         // Remove the old UNI with IpAdress and create a new one with updated informations
 194         if (uni != null) {
 195             LOG.trace("UNI updated {}.", uni.getIpAddress().getIpv4Address());
 196             final InstanceIdentifier<?> uniIID = UnimgrMapper.getUniIid(dataBroker,
 197                     uni.getIpAddress(), LogicalDatastoreType.OPERATIONAL);
 198             Node ovsdbNode;
 199             if (uni.getOvsdbNodeRef() != null) {
 200                 final OvsdbNodeRef ovsdbNodeRef = uni.getOvsdbNodeRef();
 201                 ovsdbNode= MdsalUtils.readNode(dataBroker,
 202                         LogicalDatastoreType.OPERATIONAL, ovsdbNodeRef.getValue()).get();
 203
 204                 UniUtils.updateUniNode(LogicalDatastoreType.OPERATIONAL, uniIID, uni, ovsdbNode, dataBroker);
 205                 LOG.trace("UNI updated {}.", uni.getIpAddress().getIpv4Address());
 206             } else {
 207                 final Optional<Node> optionalOvsdbNode = OvsdbUtils.findOvsdbNode(dataBroker, uni);
 208                 ovsdbNode = optionalOvsdbNode.get();
 209             }
 210             MdsalUtils.deleteNode(dataBroker, uniIID, LogicalDatastoreType.OPERATIONAL);
 211             return (UniUtils.updateUniNode(LogicalDatastoreType.CONFIGURATION, uniIID,
 212                     uni, ovsdbNode, dataBroker) && UniUtils.updateUniNode(LogicalDatastoreType.OPERATIONAL, uniIID,
 213                     uni, ovsdbNode, dataBroker));
 214         }
 215         return false;
 216     }
 217 }