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* 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.datastore.driver;
import static org.apache.cloudstack.storage.datastore.util.NexentaUtil.NexentaPluginParameters;
import java.util.Map;
import javax.inject.Inject;
import org.apache.cloudstack.engine.subsystem.api.storage.ChapInfo;
import org.apache.cloudstack.engine.subsystem.api.storage.CopyCommandResult;
import org.apache.cloudstack.engine.subsystem.api.storage.CreateCmdResult;
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.PrimaryDataStoreDriver;
import org.apache.cloudstack.engine.subsystem.api.storage.SnapshotInfo;
import org.apache.cloudstack.engine.subsystem.api.storage.TemplateInfo;
import org.apache.cloudstack.engine.subsystem.api.storage.VolumeInfo;
import org.apache.cloudstack.framework.async.AsyncCompletionCallback;
import org.apache.cloudstack.storage.command.CommandResult;
import org.apache.cloudstack.storage.datastore.db.PrimaryDataStoreDao;
import org.apache.cloudstack.storage.datastore.db.StoragePoolDetailsDao;
import org.apache.cloudstack.storage.datastore.db.StoragePoolVO;
import org.apache.cloudstack.storage.datastore.util.NexentaStorAppliance;
import org.apache.cloudstack.storage.datastore.util.NexentaStorAppliance.NexentaStorZvol;
import org.apache.cloudstack.storage.datastore.util.NexentaUtil;
import org.apache.log4j.Logger;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.to.DataObjectType;
import com.cloud.agent.api.to.DataStoreTO;
import com.cloud.agent.api.to.DataTO;
import com.cloud.host.Host;
import com.cloud.storage.Storage;
import com.cloud.storage.StoragePool;
import com.cloud.storage.VolumeVO;
import com.cloud.storage.dao.VolumeDao;
import com.cloud.user.dao.AccountDao;
public class NexentaPrimaryDataStoreDriver implements PrimaryDataStoreDriver {
private static final Logger logger = Logger.getLogger(NexentaPrimaryDataStoreDriver.class);
@Override
public boolean grantAccess(DataObject dataObject, Host host, DataStore dataStore) {
return false; //To change body of implemented methods use File | Settings | File Templates.
}
@Override
public void revokeAccess(DataObject dataObject, Host host, DataStore dataStore) {
//To change body of implemented methods use File | Settings | File Templates.
}
@Override
public long getUsedBytes(StoragePool storagePool) {
return 0;
}
@Override
public long getUsedIops(StoragePool storagePool) {
return 0;
}
@Override
public long getDataObjectSizeIncludingHypervisorSnapshotReserve(DataObject dataObject, StoragePool pool) {
return 0;
}
@Override
public long getBytesRequiredForTemplate(TemplateInfo templateInfo, StoragePool storagePool) {
return 0;
}
@Inject
private VolumeDao _volumeDao;
@Inject
PrimaryDataStoreDao _storagePoolDao;
@Inject
private StoragePoolDetailsDao _storagePoolDetailsDao;
@Inject
private AccountDao _accountDao;
@Override
public Map<String, String> getCapabilities() {
return null;
}
@Override
public ChapInfo getChapInfo(DataObject dataObject) {
return null;
}
@Override
public DataTO getTO(DataObject data) {
return null;
}
@Override
public DataStoreTO getStoreTO(DataStore store) {
return null;
}
private NexentaStorAppliance getNexentaStorAppliance(long storagePoolId) {
NexentaPluginParameters parameters = new NexentaPluginParameters();
parameters.setNmsUrl(_storagePoolDetailsDao.findDetail(storagePoolId, NexentaUtil.NMS_URL).getValue());
parameters.setVolume(_storagePoolDetailsDao.findDetail(storagePoolId, NexentaUtil.VOLUME).getValue());
parameters.setStorageType(_storagePoolDetailsDao.findDetail(storagePoolId, NexentaUtil.STORAGE_TYPE).getValue());
parameters.setStorageHost(_storagePoolDetailsDao.findDetail(storagePoolId, NexentaUtil.STORAGE_HOST).getValue());
parameters.setStoragePort(_storagePoolDetailsDao.findDetail(storagePoolId, NexentaUtil.STORAGE_PORT).getValue());
parameters.setStoragePath(_storagePoolDetailsDao.findDetail(storagePoolId, NexentaUtil.STORAGE_PATH).getValue());
parameters.setSparseVolumes(_storagePoolDetailsDao.findDetail(storagePoolId, NexentaUtil.SPARSE_VOLUMES).getValue());
parameters.setVolumeBlockSize(_storagePoolDetailsDao.findDetail(storagePoolId, NexentaUtil.VOLUME_BLOCK_SIZE).getValue());
return new NexentaStorAppliance(parameters);
}
@Override
public void takeSnapshot(SnapshotInfo snapshot, AsyncCompletionCallback<CreateCmdResult> callback) {}
@Override
public void revertSnapshot(SnapshotInfo snapshot, SnapshotInfo snapshotOnPrimaryStore, AsyncCompletionCallback<CommandResult> callback) {}
@Override
public void createAsync(DataStore dataStore, DataObject dataObject, AsyncCompletionCallback<CreateCmdResult> callback) {
String iqn = null;
String errorMessage = null;
if (dataObject.getType() != DataObjectType.VOLUME) {
errorMessage = "Invalid DataObjectType (" + dataObject.getType() + ") passed to createAsync";
} else {
VolumeInfo volumeInfo = (VolumeInfo) dataObject;
long storagePoolId = dataStore.getId();
NexentaStorAppliance appliance = getNexentaStorAppliance(storagePoolId);
// TODO: maybe we should use md5(volume name) as volume name
NexentaStorZvol zvol = (NexentaStorZvol) appliance.createVolume(volumeInfo.getName(), volumeInfo.getSize());
iqn = zvol.getIqn();
VolumeVO volume = this._volumeDao.findById(volumeInfo.getId());
volume.set_iScsiName(iqn);
volume.setFolder(zvol.getName());
volume.setPoolType(Storage.StoragePoolType.IscsiLUN);
volume.setPoolId(storagePoolId);
_volumeDao.update(volume.getId(), volume);
StoragePoolVO storagePool = _storagePoolDao.findById(storagePoolId);
long capacityBytes = storagePool.getCapacityBytes();
long usedBytes = storagePool.getUsedBytes();
usedBytes += volumeInfo.getSize();
storagePool.setUsedBytes(usedBytes > capacityBytes ? capacityBytes : usedBytes);
_storagePoolDao.update(storagePoolId, storagePool);
}
CreateCmdResult result = new CreateCmdResult(iqn, new Answer(null, errorMessage == null, errorMessage));
result.setResult(errorMessage);
callback.complete(result);
}
@Override
public void deleteAsync(DataStore store, DataObject data, AsyncCompletionCallback<CommandResult> callback) {
String errorMessage = null;
if (data.getType() == DataObjectType.VOLUME) {
VolumeInfo volumeInfo = (VolumeInfo) data;
long storagePoolId = store.getId();
NexentaStorAppliance appliance = getNexentaStorAppliance(storagePoolId);
StoragePoolVO storagePool = _storagePoolDao.findById(storagePoolId);
// _storagePoolDao.update(stoagePoolId);
} else {
errorMessage = String.format(
"Invalid DataObjectType(%s) passed to deleteAsync",
data.getType());
}
CommandResult result = new CommandResult();
result.setResult(errorMessage);
callback.complete(result);
}
@Override
public void copyAsync(DataObject srcdata, DataObject destData, AsyncCompletionCallback<CopyCommandResult> callback) {}
@Override
public boolean canCopy(DataObject srcData, DataObject destData) {
return false;
}
@Override
public void resize(DataObject data, AsyncCompletionCallback<CreateCmdResult> callback) {}
}