// // 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:"); } } }