mirror of https://github.com/apache/cloudstack.git
67 lines
2.5 KiB
Java
67 lines
2.5 KiB
Java
// Copyright 2012 Citrix Systems, Inc. Licensed under the
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// Apache License, Version 2.0 (the "License"); you may not use this
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// file except in compliance with the License. Citrix Systems, Inc.
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// reserves all rights not expressly granted by the License.
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// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Automatically generated by addcopyright.py at 04/03/2012
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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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