| // |
| // 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.hypervisor.kvm.resource.KVMHABase.HAStoragePool; |
| 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<HAStoragePool> pools = monitor.getStoragePools(); |
| final HostTO host = command.getHost(); |
| final KVMHAChecker ha = new KVMHAChecker(pools, host, command.isCheckFailedOnOneStorage()); |
| |
| final Future<Boolean> future = executors.submit(ha); |
| try { |
| final Boolean result = future.get(); |
| if (result) { |
| return new Answer(command, false, "Heart is beating..."); |
| } else { |
| return new Answer(command); |
| } |
| } catch (final InterruptedException e) { |
| return new Answer(command, false, "CheckOnHostCommand: can't get status of host: InterruptedException"); |
| } catch (final ExecutionException e) { |
| return new Answer(command, false, "CheckOnHostCommand: can't get status of host: ExecutionException"); |
| } |
| } |
| } |