/*
* 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 org.apache.cloudstack.storage.volume;
import java.util.ArrayList;
import java.util.List;
import javax.inject.Inject;
import org.springframework.stereotype.Component;
import org.apache.cloudstack.engine.subsystem.api.storage.DataObject;
import org.apache.cloudstack.engine.subsystem.api.storage.DataStore;
import org.apache.cloudstack.engine.subsystem.api.storage.DataStoreManager;
import org.apache.cloudstack.engine.subsystem.api.storage.VolumeDataFactory;
import org.apache.cloudstack.engine.subsystem.api.storage.VolumeInfo;
import org.apache.cloudstack.storage.datastore.db.VolumeDataStoreDao;
import org.apache.cloudstack.storage.datastore.db.VolumeDataStoreVO;
import com.cloud.storage.DataStoreRole;
import com.cloud.storage.VolumeVO;
import com.cloud.storage.dao.VolumeDao;
@Component
public class VolumeDataFactoryImpl implements VolumeDataFactory {
@Inject
VolumeDao volumeDao;
@Inject
VolumeDataStoreDao volumeStoreDao;
@Inject
DataStoreManager storeMgr;
@Override
public VolumeInfo getVolume(long volumeId, DataStore store) {
VolumeVO volumeVO = volumeDao.findById(volumeId);
VolumeObject vol = VolumeObject.getVolumeObject(store, volumeVO);
return vol;
}
@Override
public VolumeInfo getVolume(long volumeId, DataStoreRole storeRole) {
VolumeVO volumeVO = volumeDao.findById(volumeId);
VolumeObject vol = null;
if (storeRole == DataStoreRole.Image) {
VolumeDataStoreVO volumeStore = volumeStoreDao.findByVolume(volumeId);
if (volumeStore != null) {
DataStore store = storeMgr.getDataStore(volumeStore.getDataStoreId(), DataStoreRole.Image);
vol = VolumeObject.getVolumeObject(store, volumeVO);
}
} else {
// Primary data store
if (volumeVO.getPoolId() != null) {
DataStore store = storeMgr.getDataStore(volumeVO.getPoolId(), DataStoreRole.Primary);
vol = VolumeObject.getVolumeObject(store, volumeVO);
}
}
return vol;
}
@Override
public VolumeInfo getVolume(long volumeId) {
VolumeVO volumeVO = volumeDao.findById(volumeId);
if (volumeVO == null) {
return null;
}
VolumeObject vol = null;
if (volumeVO.getPoolId() == null) {
DataStore store = null;
VolumeDataStoreVO volumeStore = volumeStoreDao.findByVolume(volumeId);
if (volumeStore != null) {
store = storeMgr.getDataStore(volumeStore.getDataStoreId(), DataStoreRole.Image);
}
vol = VolumeObject.getVolumeObject(store, volumeVO);
} else {
DataStore store = storeMgr.getDataStore(volumeVO.getPoolId(), DataStoreRole.Primary);
vol = VolumeObject.getVolumeObject(store, volumeVO);
}
return vol;
}
@Override
public VolumeInfo getVolume(DataObject volume, DataStore store) {
VolumeInfo vol = getVolume(volume.getId(), store);
vol.addPayload(((VolumeInfo)volume).getpayload());
return vol;
}
@Override
public List<VolumeInfo> listVolumeOnCache(long volumeId) {
List<VolumeInfo> cacheVols = new ArrayList<VolumeInfo>();
// find all image cache stores for this zone scope
List<DataStore> cacheStores = storeMgr.listImageCacheStores();
if (cacheStores == null || cacheStores.size() == 0) {
return cacheVols;
}
for (DataStore store : cacheStores) {
// check if the volume is stored there
VolumeDataStoreVO volStore = volumeStoreDao.findByStoreVolume(store.getId(), volumeId);
if (volStore != null) {
VolumeInfo vol = getVolume(volumeId, store);
cacheVols.add(vol);
}
}
return cacheVols;
}
}