mirror of https://github.com/apache/cloudstack.git
72 lines
2.5 KiB
Java
72 lines
2.5 KiB
Java
/**
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* Copyright (C) 2010 Cloud.com, Inc. All rights reserved.
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*
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* This software is licensed under the GNU General Public License v3 or later.
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*
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* It is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package com.cloud.ha;
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import java.util.List;
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import javax.ejb.Local;
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import org.apache.log4j.Logger;
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import com.cloud.host.HostVO;
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import com.cloud.storage.VolumeVO;
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import com.cloud.storage.dao.StoragePoolDao;
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import com.cloud.storage.dao.VolumeDao;
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import com.cloud.utils.component.AdapterBase;
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import com.cloud.utils.component.Inject;
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import com.cloud.vm.VMInstanceVO;
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import com.cloud.vm.VirtualMachine;
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@Local(value=FenceBuilder.class)
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public class RecreatableFencer extends AdapterBase implements FenceBuilder {
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private static final Logger s_logger = Logger.getLogger(RecreatableFencer.class);
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@Inject VolumeDao _volsDao;
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@Inject StoragePoolDao _poolDao;
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protected RecreatableFencer() {
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super();
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}
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@Override
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public Boolean fenceOff(VMInstanceVO vm, HostVO host) {
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VirtualMachine.Type type = vm.getType();
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if (type != VirtualMachine.Type.ConsoleProxy && type != VirtualMachine.Type.DomainRouter && type != VirtualMachine.Type.SecondaryStorageVm) {
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if (s_logger.isDebugEnabled()) {
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s_logger.debug("Don't know how to fence off " + type);
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}
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return null;
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}
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List<VolumeVO> vols = _volsDao.findByInstance(vm.getId());
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for (VolumeVO vol : vols) {
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if (!vol.isRecreatable()) {
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if (s_logger.isDebugEnabled()) {
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s_logger.debug("Unable to fence off volumes that are not recreatable: " + vol);
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}
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return null;
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}
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if (vol.getPoolType().isShared()) {
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if (s_logger.isDebugEnabled()) {
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s_logger.debug("Unable to fence off volumes that are shared: " + vol);
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}
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return null;
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}
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}
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return true;
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}
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}
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