//
// 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 org.apache.log4j.Logger;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.OvsFetchInterfaceAnswer;
import com.cloud.agent.api.OvsFetchInterfaceCommand;
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 = OvsFetchInterfaceCommand.class)
public final class LibvirtOvsFetchInterfaceCommandWrapper extends CommandWrapper<OvsFetchInterfaceCommand, Answer, LibvirtComputingResource> {
private static final Logger s_logger = Logger.getLogger(LibvirtOvsFetchInterfaceCommandWrapper.class);
@Override
public Answer execute(final OvsFetchInterfaceCommand command, final LibvirtComputingResource libvirtComputingResource) {
final String label = command.getLabel();
s_logger.debug("Will look for network with name-label:" + label);
try {
final String ipadd = Script.runSimpleBashScript("ifconfig " + label + " | grep 'inet addr:' | cut -d: -f2 | awk '{ print $1}'");
final String mask = Script.runSimpleBashScript("ifconfig " + label + " | grep 'inet addr:' | cut -d: -f4");
final String mac = Script.runSimpleBashScript("ifconfig " + label + " | grep HWaddr | awk -F \" \" '{print $5}'");
return new OvsFetchInterfaceAnswer(command, true, "Interface " + label
+ " retrieved successfully", ipadd, mask, mac);
} catch (final Exception e) {
s_logger.warn("Caught execption when fetching interface", e);
return new OvsFetchInterfaceAnswer(command, false, "EXCEPTION:"
+ e.getMessage());
}
}
}