/*
* 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.image;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import javax.inject.Inject;
import org.apache.cloudstack.engine.subsystem.api.storage.*;
import org.apache.log4j.Logger;
import org.apache.cloudstack.framework.async.AsyncCallbackDispatcher;
import org.apache.cloudstack.framework.async.AsyncCompletionCallback;
import org.apache.cloudstack.framework.async.AsyncRpcContext;
import org.apache.cloudstack.framework.config.dao.ConfigurationDao;
import org.apache.cloudstack.storage.command.CommandResult;
import org.apache.cloudstack.storage.command.DeleteCommand;
import org.apache.cloudstack.storage.datastore.db.TemplateDataStoreDao;
import org.apache.cloudstack.storage.datastore.db.TemplateDataStoreVO;
import org.apache.cloudstack.storage.datastore.db.VolumeDataStoreDao;
import org.apache.cloudstack.storage.datastore.db.VolumeDataStoreVO;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.storage.DownloadAnswer;
import com.cloud.agent.api.storage.Proxy;
import com.cloud.agent.api.to.DataObjectType;
import com.cloud.agent.api.to.DataTO;
import com.cloud.storage.VMTemplateStorageResourceAssoc;
import com.cloud.storage.VMTemplateVO;
import com.cloud.storage.VolumeVO;
import com.cloud.storage.dao.VMTemplateDao;
import com.cloud.storage.dao.VolumeDao;
import com.cloud.storage.download.DownloadMonitor;
public abstract class BaseImageStoreDriverImpl implements ImageStoreDriver {
private static final Logger s_logger = Logger.getLogger(BaseImageStoreDriverImpl.class);
@Inject
protected VMTemplateDao _templateDao;
@Inject
DownloadMonitor _downloadMonitor;
@Inject
VolumeDao volumeDao;
@Inject
VolumeDataStoreDao _volumeStoreDao;
@Inject
TemplateDataStoreDao _templateStoreDao;
@Inject
EndPointSelector _epSelector;
@Inject
ConfigurationDao configDao;
protected String _proxy = null;
protected Proxy getHttpProxy() {
if (_proxy == null) {
return null;
}
try {
URI uri = new URI(_proxy);
Proxy prx = new Proxy(uri);
return prx;
} catch (URISyntaxException e) {
return null;
}
}
@Override
public Map<String, String> getCapabilities() {
return null;
}
@Override
public DataTO getTO(DataObject data) {
return null;
}
protected class CreateContext<T> extends AsyncRpcContext<T> {
final DataObject data;
public CreateContext(AsyncCompletionCallback<T> callback, DataObject data) {
super(callback);
this.data = data;
}
}
protected Long getMaxTemplateSizeInBytes() {
try {
return Long.parseLong(configDao.getValue("max.template.iso.size")) * 1024L * 1024L * 1024L;
} catch (NumberFormatException e) {
return null;
}
}
@Override
public void
createAsync(DataStore dataStore, DataObject data, AsyncCompletionCallback<CreateCmdResult> callback) {
CreateContext<CreateCmdResult> context = new CreateContext<CreateCmdResult>(callback, data);
AsyncCallbackDispatcher<BaseImageStoreDriverImpl, DownloadAnswer> caller = AsyncCallbackDispatcher
.create(this);
caller.setContext(context);
if (data.getType() == DataObjectType.TEMPLATE) {
caller.setCallback(caller.getTarget().createTemplateAsyncCallback(null, null));
if (s_logger.isDebugEnabled()) {
s_logger.debug("Downloading template to data store " + dataStore.getId());
}
_downloadMonitor.downloadTemplateToStorage(data, caller);
} else if (data.getType() == DataObjectType.VOLUME) {
caller.setCallback(caller.getTarget().createVolumeAsyncCallback(null, null));
if (s_logger.isDebugEnabled()) {
s_logger.debug("Downloading volume to data store " + dataStore.getId());
}
_downloadMonitor.downloadVolumeToStorage(data, caller);
}
}
protected Void createTemplateAsyncCallback(AsyncCallbackDispatcher<? extends BaseImageStoreDriverImpl, DownloadAnswer> callback,
CreateContext<CreateCmdResult> context) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Performing image store createTemplate async callback");
}
DownloadAnswer answer = callback.getResult();
DataObject obj = context.data;
DataStore store = obj.getDataStore();
TemplateDataStoreVO tmpltStoreVO = _templateStoreDao.findByStoreTemplate(store.getId(), obj.getId());
if (tmpltStoreVO != null) {
if (tmpltStoreVO.getDownloadState() == VMTemplateStorageResourceAssoc.Status.DOWNLOADED) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Template is already in DOWNLOADED state, ignore further incoming DownloadAnswer");
}
return null;
}
TemplateDataStoreVO updateBuilder = _templateStoreDao.createForUpdate();
updateBuilder.setDownloadPercent(answer.getDownloadPct());
updateBuilder.setDownloadState(answer.getDownloadStatus());
updateBuilder.setLastUpdated(new Date());
updateBuilder.setErrorString(answer.getErrorString());
updateBuilder.setJobId(answer.getJobId());
updateBuilder.setLocalDownloadPath(answer.getDownloadPath());
updateBuilder.setInstallPath(answer.getInstallPath());
updateBuilder.setSize(answer.getTemplateSize());
updateBuilder.setPhysicalSize(answer.getTemplatePhySicalSize());
_templateStoreDao.update(tmpltStoreVO.getId(), updateBuilder);
// update size in vm_template table
VMTemplateVO tmlptUpdater = _templateDao.createForUpdate();
tmlptUpdater.setSize(answer.getTemplateSize());
_templateDao.update(obj.getId(), tmlptUpdater);
}
AsyncCompletionCallback<CreateCmdResult> caller = context.getParentCallback();
if (answer.getDownloadStatus() == VMTemplateStorageResourceAssoc.Status.DOWNLOAD_ERROR
|| answer.getDownloadStatus() == VMTemplateStorageResourceAssoc.Status.ABANDONED
|| answer.getDownloadStatus() == VMTemplateStorageResourceAssoc.Status.UNKNOWN) {
CreateCmdResult result = new CreateCmdResult(null, null);
result.setSuccess(false);
result.setResult(answer.getErrorString());
caller.complete(result);
} else if (answer.getDownloadStatus() == VMTemplateStorageResourceAssoc.Status.DOWNLOADED) {
if (answer.getCheckSum() != null) {
VMTemplateVO templateDaoBuilder = _templateDao.createForUpdate();
templateDaoBuilder.setChecksum(answer.getCheckSum());
_templateDao.update(obj.getId(), templateDaoBuilder);
}
CreateCmdResult result = new CreateCmdResult(null, null);
caller.complete(result);
}
return null;
}
protected Void createVolumeAsyncCallback(AsyncCallbackDispatcher<? extends BaseImageStoreDriverImpl, DownloadAnswer> callback,
CreateContext<CreateCmdResult> context) {
DownloadAnswer answer = callback.getResult();
DataObject obj = context.data;
DataStore store = obj.getDataStore();
VolumeDataStoreVO volStoreVO = _volumeStoreDao.findByStoreVolume(store.getId(), obj.getId());
if (volStoreVO != null) {
if (volStoreVO.getDownloadState() == VMTemplateStorageResourceAssoc.Status.DOWNLOADED) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Volume is already in DOWNLOADED state, ignore further incoming DownloadAnswer");
}
return null;
}
VolumeDataStoreVO updateBuilder = _volumeStoreDao.createForUpdate();
updateBuilder.setDownloadPercent(answer.getDownloadPct());
updateBuilder.setDownloadState(answer.getDownloadStatus());
updateBuilder.setLastUpdated(new Date());
updateBuilder.setErrorString(answer.getErrorString());
updateBuilder.setJobId(answer.getJobId());
updateBuilder.setLocalDownloadPath(answer.getDownloadPath());
updateBuilder.setInstallPath(answer.getInstallPath());
updateBuilder.setSize(answer.getTemplateSize());
updateBuilder.setPhysicalSize(answer.getTemplatePhySicalSize());
_volumeStoreDao.update(volStoreVO.getId(), updateBuilder);
// update size in volume table
VolumeVO volUpdater = volumeDao.createForUpdate();
volUpdater.setSize(answer.getTemplateSize());
volumeDao.update(obj.getId(), volUpdater);
}
AsyncCompletionCallback<CreateCmdResult> caller = context.getParentCallback();
if (answer.getDownloadStatus() == VMTemplateStorageResourceAssoc.Status.DOWNLOAD_ERROR
|| answer.getDownloadStatus() == VMTemplateStorageResourceAssoc.Status.ABANDONED
|| answer.getDownloadStatus() == VMTemplateStorageResourceAssoc.Status.UNKNOWN) {
CreateCmdResult result = new CreateCmdResult(null, null);
result.setSuccess(false);
result.setResult(answer.getErrorString());
caller.complete(result);
} else if (answer.getDownloadStatus() == VMTemplateStorageResourceAssoc.Status.DOWNLOADED) {
CreateCmdResult result = new CreateCmdResult(null, null);
caller.complete(result);
}
return null;
}
@Override
public void deleteAsync(DataStore dataStore, DataObject data, AsyncCompletionCallback<CommandResult> callback) {
CommandResult result = new CommandResult();
try {
DeleteCommand cmd = new DeleteCommand(data.getTO());
EndPoint ep = _epSelector.select(data);
Answer answer = null;
if (ep == null) {
String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
s_logger.error(errMsg);
answer = new Answer(cmd, false, errMsg);
} else {
answer = ep.sendMessage(cmd);
}
if (answer != null && !answer.getResult()) {
result.setResult(answer.getDetails());
}
} catch (Exception ex) {
s_logger.debug("Unable to destoy " + data.getType().toString() + ": " + data.getId(), ex);
result.setResult(ex.toString());
}
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) {
}
}