content: //
  // Licensed to the Apache Software Foundation (ASF) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The ASF licenses this file
  // to you under the Apache License, Version 2.0 (the
  // "License"); you may not use this file except in compliance
  // with the License.  You may obtain a copy of the License at
  //
  //   http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing,
  // software distributed under the License is distributed on an
  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, either express or implied.  See the License for the
  // specific language governing permissions and limitations
  // under the License.
  //
  
  package com.cloud.hypervisor.kvm.resource.wrapper;
  
  
  import com.cloud.agent.api.Answer;
  import com.cloud.agent.api.OvsCreateTunnelAnswer;
  import com.cloud.agent.api.OvsCreateTunnelCommand;
  import com.cloud.hypervisor.kvm.resource.LibvirtComputingResource;
  import com.cloud.resource.CommandWrapper;
  import com.cloud.resource.ResourceWrapper;
  import com.cloud.utils.script.Script;
  
  @ResourceWrapper(handles = OvsCreateTunnelCommand.class)
  public final class LibvirtOvsCreateTunnelCommandWrapper extends CommandWrapper<OvsCreateTunnelCommand, Answer, LibvirtComputingResource> {
  
  
      @Override
      public Answer execute(final OvsCreateTunnelCommand command, final LibvirtComputingResource libvirtComputingResource) {
          final String bridge = command.getNetworkName();
          try {
              if (!libvirtComputingResource.findOrCreateTunnelNetwork(bridge)) {
                  logger.debug("Error during bridge setup");
                  return new OvsCreateTunnelAnswer(command, false, "Cannot create network", bridge);
              }
  
              libvirtComputingResource.configureTunnelNetwork(command.getNetworkId(), command.getFrom(), command.getNetworkName());
              final Script scriptCommand = new Script(libvirtComputingResource.getOvsTunnelPath(), libvirtComputingResource.getTimeout(), logger);
              scriptCommand.add("create_tunnel");
              scriptCommand.add("--bridge", bridge);
              scriptCommand.add("--remote_ip", command.getRemoteIp());
              scriptCommand.add("--key", command.getKey().toString());
              scriptCommand.add("--src_host", command.getFrom().toString());
              scriptCommand.add("--dst_host", command.getTo().toString());
  
              final String result = scriptCommand.execute();
              if (result != null) {
                  return new OvsCreateTunnelAnswer(command, true, result, null, bridge);
              } else {
                  return new OvsCreateTunnelAnswer(command, false, result, bridge);
              }
          } catch (final Exception e) {
              logger.warn("Caught execption when creating ovs tunnel", e);
              return new OvsCreateTunnelAnswer(command, false, e.getMessage(), bridge);
          }
      }
  }
  