mirror of https://github.com/apache/cloudstack.git
75 lines
2.6 KiB
Java
75 lines
2.6 KiB
Java
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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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 javax.inject.Inject;
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import org.apache.log4j.Logger;
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import org.springframework.stereotype.Component;
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import org.apache.cloudstack.storage.datastore.db.PrimaryDataStoreDao;
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import com.cloud.host.Host;
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import com.cloud.storage.VolumeVO;
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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.vm.VirtualMachine;
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@Component
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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
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VolumeDao _volsDao;
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@Inject
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PrimaryDataStoreDao _poolDao;
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public RecreatableFencer() {
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super();
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}
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@Override
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public Boolean fenceOff(VirtualMachine vm, Host 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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