//
// 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 java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.CheckOnHostCommand;
import com.cloud.agent.api.to.HostTO;
import com.cloud.agent.api.to.NetworkTO;
import com.cloud.hypervisor.kvm.resource.KVMHABase.NfsStoragePool;
import com.cloud.hypervisor.kvm.resource.KVMHAChecker;
import com.cloud.hypervisor.kvm.resource.KVMHAMonitor;
import com.cloud.hypervisor.kvm.resource.LibvirtComputingResource;
import com.cloud.resource.CommandWrapper;
import com.cloud.resource.ResourceWrapper;
@ResourceWrapper(handles = CheckOnHostCommand.class)
public final class LibvirtCheckOnHostCommandWrapper extends CommandWrapper<CheckOnHostCommand, Answer, LibvirtComputingResource> {
@Override
public Answer execute(final CheckOnHostCommand command, final LibvirtComputingResource libvirtComputingResource) {
final ExecutorService executors = Executors.newSingleThreadExecutor();
final KVMHAMonitor monitor = libvirtComputingResource.getMonitor();
final List<NfsStoragePool> pools = monitor.getStoragePools();
final HostTO host = command.getHost();
final NetworkTO privateNetwork = host.getPrivateNetwork();
final KVMHAChecker ha = new KVMHAChecker(pools, privateNetwork.getIp());
final Future<Boolean> future = executors.submit(ha);
try {
final Boolean result = future.get();
if (result) {
return new Answer(command, false, "Heart is still beating...");
} else {
return new Answer(command);
}
} catch (final InterruptedException e) {
return new Answer(command, false, "can't get status of host:");
} catch (final ExecutionException e) {
return new Answer(command, false, "can't get status of host:");
}
}
}