/*
* 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.driver;
import java.util.Set;
import javax.inject.Inject;
import org.apache.cloudstack.engine.subsystem.api.storage.CommandResult;
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.DataObjectType;
import org.apache.cloudstack.engine.subsystem.api.storage.DataStore;
import org.apache.cloudstack.engine.subsystem.api.storage.EndPoint;
import org.apache.cloudstack.framework.async.AsyncCompletionCallback;
import org.apache.cloudstack.storage.command.CreateObjectAnswer;
import org.apache.cloudstack.storage.command.CreateObjectCommand;
import org.apache.cloudstack.storage.endpoint.EndPointSelector;
import org.apache.cloudstack.storage.image.ImageDataStoreDriver;
import org.apache.cloudstack.storage.image.db.ImageDataDao;
import org.apache.cloudstack.storage.image.db.ImageDataVO;
//http-read-only based image store
public class DefaultImageDataStoreDriverImpl implements ImageDataStoreDriver {
@Inject
EndPointSelector selector;
@Inject
ImageDataDao imageDataDao;
public DefaultImageDataStoreDriverImpl() {
}
@Override
public String grantAccess(DataObject data, EndPoint ep) {
return data.getUri();
}
@Override
public boolean revokeAccess(DataObject data, EndPoint ep) {
// TODO Auto-generated method stub
return true;
}
@Override
public Set<DataObject> listObjects(DataStore store) {
// TODO Auto-generated method stub
return null;
}
@Override
public void createAsync(DataObject data,
AsyncCompletionCallback<CreateCmdResult> callback) {
//for default http data store, can create http based template/iso
CreateCmdResult result = new CreateCmdResult("", null);
if (!data.getUri().startsWith("http")) {
result.setResult("can't register an image which is not a http link");
callback.complete(result);
return;
}
if (data.getSize() == null && data.getType() == DataObjectType.TEMPLATE) {
//the template size is unknown during registration, need to find out the size of template
EndPoint ep = selector.select(data);
if (ep == null) {
result.setResult("can't find storage client for:" + data.getId() + "," + data.getType());
callback.complete(result);
return;
}
CreateObjectCommand createCmd = new CreateObjectCommand(data.getUri());
CreateObjectAnswer answer = (CreateObjectAnswer)ep.sendMessage(createCmd);
if (answer.getResult()) {
//update imagestorevo
result = new CreateCmdResult(answer.getPath(), answer.getSize());
} else {
result.setResult(answer.getDetails());
}
}
callback.complete(result);
}
@Override
public void deleteAsync(DataObject data,
AsyncCompletionCallback<CommandResult> callback) {
CommandResult result = new CommandResult();
callback.complete(result);
}
@Override
public boolean canCopy(DataObject srcData, DataObject destData) {
// TODO Auto-generated method stub
return false;
}
@Override
public void copyAsync(DataObject srcdata, DataObject destData,
AsyncCompletionCallback<CopyCommandResult> callback) {
// TODO Auto-generated method stub
}
}