netconf/sal-netconf-connector/src/main/java/org/opendaylight/netconf/sal/connect/util/NetconfTopologyRPCProvider.java

   1 /*
   2  * Copyright (c) 2017 Brocade Communication Systems 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.netconf.sal.connect.util;
   9
  10 import com.google.common.annotations.VisibleForTesting;
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.util.concurrent.FutureCallback;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import com.google.common.util.concurrent.MoreExecutors;
  15 import com.google.common.util.concurrent.SettableFuture;
  16 import org.opendaylight.aaa.encrypt.AAAEncryptionService;
  17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  18 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  20 import org.opendaylight.mdsal.common.api.CommitInfo;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.CreateDeviceInput;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.CreateDeviceOutput;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.CreateDeviceOutputBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.DeleteDeviceInput;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.DeleteDeviceOutput;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.DeleteDeviceOutputBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeTopologyService;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.Credentials;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.credentials.LoginPw;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.credentials.LoginPwBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.credentials.login.pw.LoginPassword;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.credentials.login.pw.LoginPasswordBuilder;
  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.NodeId;
  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.NodeKey;
  42 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  43 import org.opendaylight.yangtools.yang.common.RpcResult;
  44 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  45 import org.slf4j.Logger;
  46 import org.slf4j.LoggerFactory;
  47
  48 public class NetconfTopologyRPCProvider implements NetconfNodeTopologyService {
  49     private static final Logger LOG = LoggerFactory.getLogger(NetconfTopologyRPCProvider.class);
  50
  51     private final InstanceIdentifier<Topology> topologyPath;
  52     private final AAAEncryptionService encryptionService;
  53     private final DataBroker dataBroker;
  54
  55     public NetconfTopologyRPCProvider(final DataBroker dataBroker,
  56                                       final AAAEncryptionService encryptionService,
  57                                       final String topologyId) {
  58         this.dataBroker = dataBroker;
  59         this.encryptionService = Preconditions.checkNotNull(encryptionService);
  60         this.topologyPath = InstanceIdentifier.builder(NetworkTopology.class)
  61                 .child(Topology.class, new TopologyKey(new TopologyId(Preconditions.checkNotNull(topologyId)))).build();
  62     }
  63
  64     @Override
  65     public ListenableFuture<RpcResult<CreateDeviceOutput>> createDevice(final CreateDeviceInput input) {
  66         final NetconfNode node = this.encryptPassword(input);
  67         final SettableFuture<RpcResult<CreateDeviceOutput>> futureResult = SettableFuture.create();
  68         final NodeId nodeId = new NodeId(input.getNodeId());
  69         writeToConfigDS(node, nodeId, futureResult);
  70         return futureResult;
  71     }
  72
  73     @VisibleForTesting
  74     public NetconfNode encryptPassword(final CreateDeviceInput input) {
  75         final NetconfNodeBuilder builder = new NetconfNodeBuilder();
  76         builder.fieldsFrom(input);
  77
  78         final Credentials credentials = handleEncryption(input.getCredentials());
  79         builder.setCredentials(credentials);
  80
  81         return builder.build();
  82     }
  83
  84     private Credentials handleEncryption(final Credentials credentials) {
  85         if (credentials instanceof LoginPw) {
  86             final LoginPassword loginPassword = ((LoginPw) credentials).getLoginPassword();
  87             final String encryptedPassword =
  88                     encryptionService.encrypt(loginPassword.getPassword());
  89
  90             return new LoginPwBuilder().setLoginPassword(new LoginPasswordBuilder()
  91                     .setPassword(encryptedPassword)
  92                     .setUsername(loginPassword.getUsername()).build()).build();
  93         }
  94
  95         // nothing else needs to be encrypted
  96         return credentials;
  97     }
  98
  99     private void writeToConfigDS(final NetconfNode node, final NodeId nodeId,
 100             final SettableFuture<RpcResult<CreateDeviceOutput>> futureResult) {
 101
 102         final WriteTransaction writeTransaction = dataBroker.newWriteOnlyTransaction();
 103         final InstanceIdentifier<NetconfNode> niid = topologyPath.child(Node.class,
 104                 new NodeKey(nodeId)).augmentation(NetconfNode.class);
 105         writeTransaction.merge(LogicalDatastoreType.CONFIGURATION, niid, node, true);
 106         writeTransaction.commit().addCallback(new FutureCallback<CommitInfo>() {
 107
 108             @Override
 109             public void onSuccess(final CommitInfo result) {
 110                 LOG.info("add-netconf-node RPC: Added netconf node successfully.");
 111                 futureResult.set(RpcResultBuilder.success(new CreateDeviceOutputBuilder().build()).build());
 112             }
 113
 114             @Override
 115             public void onFailure(final Throwable exception) {
 116                 LOG.error("add-netconf-node RPC: Unable to add netconf node.", exception);
 117                 futureResult.setException(exception);
 118             }
 119         }, MoreExecutors.directExecutor());
 120     }
 121
 122
 123     @Override
 124     public ListenableFuture<RpcResult<DeleteDeviceOutput>> deleteDevice(final DeleteDeviceInput input) {
 125         final NodeId nodeId = new NodeId(input.getNodeId());
 126
 127         final InstanceIdentifier<Node> niid = topologyPath.child(Node.class, new NodeKey(nodeId));
 128
 129         final WriteTransaction wtx = dataBroker.newWriteOnlyTransaction();
 130         wtx.delete(LogicalDatastoreType.CONFIGURATION, niid);
 131
 132         final SettableFuture<RpcResult<DeleteDeviceOutput>> rpcFuture = SettableFuture.create();
 133
 134         wtx.commit().addCallback(new FutureCallback<CommitInfo>() {
 135
 136             @Override
 137             public void onSuccess(final CommitInfo result) {
 138                 LOG.info("delete-device RPC: Removed netconf node successfully.");
 139                 rpcFuture.set(RpcResultBuilder.success(new DeleteDeviceOutputBuilder().build()).build());
 140             }
 141
 142             @Override
 143             public void onFailure(final Throwable exception) {
 144                 LOG.error("delete-device RPC: Unable to remove netconf node.", exception);
 145                 rpcFuture.setException(exception);
 146             }
 147         }, MoreExecutors.directExecutor());
 148
 149         return rpcFuture;
 150     }
 151 }