test-common/src/main/java/org/opendaylight/transportpce/test/utils/TopologyDataUtils.java

   1 /*
   2  * Copyright © 2019 Orange, 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 package org.opendaylight.transportpce.test.utils;
   9
  10 import com.google.common.util.concurrent.FluentFuture;
  11 import java.io.File;
  12 import java.io.FileInputStream;
  13 import java.io.IOException;
  14 import java.io.InputStream;
  15 import java.util.Optional;
  16 import java.util.concurrent.ExecutionException;
  17 import org.opendaylight.mdsal.binding.api.DataBroker;
  18 import org.opendaylight.mdsal.binding.api.WriteTransaction;
  19 import org.opendaylight.mdsal.common.api.CommitInfo;
  20 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  21 import org.opendaylight.transportpce.test.DataStoreContext;
  22 import org.opendaylight.transportpce.test.converter.XMLDataObjectConverter;
  23 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev231221.Network;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.Networks;
  25 import org.opendaylight.yangtools.yang.binding.DataObject;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 public final class TopologyDataUtils {
  32
  33     private static final Logger LOG = LoggerFactory.getLogger(TopologyDataUtils.class);
  34
  35     @SuppressWarnings("rawtypes")
  36     // FIXME check if the InstanceIdentifier raw type can be avoided
  37     // Raw types use are discouraged since they lack type safety.
  38     // Resulting Problems are observed at run time and not at compile time
  39     public static <T> void writeTopologyFromFileToDatastore(DataStoreContext dataStoreContextUtil, String file,
  40         InstanceIdentifier ii) throws InterruptedException, ExecutionException {
  41         Networks networks = null;
  42         File topoFile = new File(file);
  43         if (topoFile.exists()) {
  44             String fileName = topoFile.getName();
  45             try (InputStream targetStream = new FileInputStream(topoFile)) {
  46                 Optional<NormalizedNode> transformIntoNormalizedNode = XMLDataObjectConverter
  47                         .createWithDataStoreUtil(dataStoreContextUtil).transformIntoNormalizedNode(targetStream);
  48                 if (!transformIntoNormalizedNode.isPresent()) {
  49                     throw new IllegalStateException(String.format(
  50                         "Could not transform the input %s into normalized nodes", fileName));
  51                 }
  52                 Optional<DataObject> dataObject = XMLDataObjectConverter.createWithDataStoreUtil(dataStoreContextUtil)
  53                     .getDataObject(transformIntoNormalizedNode.orElseThrow(), Networks.QNAME);
  54                 if (!dataObject.isPresent()) {
  55                     throw new IllegalStateException("Could not transform normalized nodes into data object");
  56                 } else {
  57                     networks = (Networks) dataObject.orElseThrow();
  58                 }
  59             } catch (IOException e) {
  60                 LOG.error("An error occured while reading file {}", file, e);
  61             }
  62         } else {
  63             LOG.error("xml file {} not found at {}", topoFile.getName(), topoFile.getAbsolutePath());
  64         }
  65         if (networks == null) {
  66             throw new IllegalStateException("Network is null cannot write it to datastore");
  67         }
  68         FluentFuture<? extends CommitInfo> commitFuture = writeTransaction(dataStoreContextUtil.getDataBroker(), ii,
  69                 networks.nonnullNetwork().values().stream().findFirst().orElseThrow());
  70         commitFuture.get();
  71         LOG.info("extraction from {} stored with success in datastore", topoFile.getName());
  72     }
  73
  74     @SuppressWarnings({"unchecked","rawtypes"})
  75     // FIXME check if the InstanceIdentifier raw type can be avoided
  76     // Raw types use are discouraged since they lack type safety.
  77     // Resulting Problems are observed at run time and not at compile time
  78     private static FluentFuture<? extends CommitInfo> writeTransaction(DataBroker dataBroker,
  79         InstanceIdentifier instanceIdentifier, DataObject object) {
  80         WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
  81         transaction.put(LogicalDatastoreType.CONFIGURATION, instanceIdentifier, object);
  82         return transaction.commit();
  83     }
  84
  85     public static void writePortmappingFromFileToDatastore(DataStoreContext dataStoreContextUtil, String file)
  86         throws InterruptedException, ExecutionException {
  87         Network result = null;
  88         File portmappingFile = new File(file);
  89         if (portmappingFile.exists()) {
  90             String fileName = portmappingFile.getName();
  91             try (InputStream targetStream = new FileInputStream(portmappingFile)) {
  92                 Optional<NormalizedNode> transformIntoNormalizedNode = null;
  93                 transformIntoNormalizedNode = XMLDataObjectConverter.createWithDataStoreUtil(dataStoreContextUtil)
  94                     .transformIntoNormalizedNode(targetStream);
  95                 if (!transformIntoNormalizedNode.isPresent()) {
  96                     throw new IllegalStateException(String.format(
  97                         "Could not transform the input %s into normalized nodes", fileName));
  98                 }
  99                 Optional<DataObject> dataObject = XMLDataObjectConverter.createWithDataStoreUtil(dataStoreContextUtil)
 100                     .getDataObject(transformIntoNormalizedNode.orElseThrow(), Network.QNAME);
 101                 if (!dataObject.isPresent()) {
 102                     throw new IllegalStateException("Could not transform normalized nodes into data object");
 103                 } else {
 104                     result = (Network) dataObject.orElseThrow();
 105                 }
 106             } catch (IOException e) {
 107                 LOG.error("An error occured while reading file {}", file, e);
 108             }
 109         } else {
 110             LOG.error("xml file {} not found at {}", portmappingFile.getName(), portmappingFile.getAbsolutePath());
 111         }
 112         InstanceIdentifier<Network> portmappingIID = InstanceIdentifier.builder(Network.class).build();
 113         FluentFuture<? extends CommitInfo> writeTransaction = writeTransaction(dataStoreContextUtil.getDataBroker(),
 114             portmappingIID, result);
 115         writeTransaction.get();
 116         LOG.info("portmapping-example stored with success in datastore");
 117     }
 118
 119     private TopologyDataUtils() {
 120     }
 121
 122 }