/*
* 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 com.cloud.resource;
import java.io.File;
import java.util.UUID;
import org.apache.log4j.Logger;
import org.apache.cloudstack.storage.command.AttachAnswer;
import org.apache.cloudstack.storage.command.AttachCommand;
import org.apache.cloudstack.storage.command.CopyCmdAnswer;
import org.apache.cloudstack.storage.command.CopyCommand;
import org.apache.cloudstack.storage.command.CreateObjectAnswer;
import org.apache.cloudstack.storage.command.CreateObjectCommand;
import org.apache.cloudstack.storage.command.DeleteCommand;
import org.apache.cloudstack.storage.command.DettachAnswer;
import org.apache.cloudstack.storage.command.DettachCommand;
import org.apache.cloudstack.storage.command.ForgetObjectCmd;
import org.apache.cloudstack.storage.command.IntroduceObjectCmd;
import org.apache.cloudstack.storage.command.ResignatureAnswer;
import org.apache.cloudstack.storage.command.ResignatureCommand;
import org.apache.cloudstack.storage.command.SnapshotAndCopyAnswer;
import org.apache.cloudstack.storage.command.SnapshotAndCopyCommand;
import org.apache.cloudstack.storage.to.SnapshotObjectTO;
import org.apache.cloudstack.storage.to.TemplateObjectTO;
import org.apache.cloudstack.storage.to.VolumeObjectTO;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.to.DataStoreTO;
import com.cloud.agent.api.to.DataTO;
import com.cloud.agent.api.to.DiskTO;
import com.cloud.agent.api.to.NfsTO;
import com.cloud.agent.manager.SimulatorManager;
import com.cloud.storage.Storage;
import com.cloud.storage.resource.StorageProcessor;
public class SimulatorStorageProcessor implements StorageProcessor {
private static final Logger s_logger = Logger.getLogger(SimulatorStorageProcessor.class);
protected SimulatorManager hypervisorResource;
public SimulatorStorageProcessor(SimulatorManager resource) {
this.hypervisorResource = resource;
}
@Override
public SnapshotAndCopyAnswer snapshotAndCopy(SnapshotAndCopyCommand cmd) {
s_logger.info("'SnapshotAndCopyAnswer snapshotAndCopy(SnapshotAndCopyCommand)' not currently used for SimulatorStorageProcessor");
return new SnapshotAndCopyAnswer();
}
@Override
public ResignatureAnswer resignature(ResignatureCommand cmd) {
s_logger.info("'ResignatureAnswer resignature(ResignatureCommand)' not currently used for SimulatorStorageProcessor");
return new ResignatureAnswer();
}
@Override
public Answer copyTemplateToPrimaryStorage(CopyCommand cmd) {
TemplateObjectTO template = new TemplateObjectTO();
template.setPath(UUID.randomUUID().toString());
template.setSize(new Long(100));
template.setFormat(Storage.ImageFormat.RAW);
return new CopyCmdAnswer(template);
}
@Override
public Answer cloneVolumeFromBaseTemplate(CopyCommand cmd) {
VolumeObjectTO volume = new VolumeObjectTO();
volume.setPath(UUID.randomUUID().toString());
volume.setSize(100);
volume.setFormat(Storage.ImageFormat.RAW);
return new CopyCmdAnswer(volume);
}
@Override
public Answer copyVolumeFromImageCacheToPrimary(CopyCommand cmd) {
VolumeObjectTO volume = new VolumeObjectTO();
volume.setPath(UUID.randomUUID().toString());
volume.setSize(100);
volume.setFormat(Storage.ImageFormat.RAW);
return new CopyCmdAnswer(volume);
}
@Override
public Answer copyVolumeFromPrimaryToSecondary(CopyCommand cmd) {
VolumeObjectTO volume = new VolumeObjectTO();
volume.setPath(UUID.randomUUID().toString());
volume.setSize(100);
volume.setFormat(Storage.ImageFormat.RAW);
return new CopyCmdAnswer(volume);
}
@Override
public Answer createTemplateFromVolume(CopyCommand cmd) {
DataTO destData = cmd.getDestTO();
VolumeObjectTO srcData = (VolumeObjectTO)cmd.getSrcTO();
TemplateObjectTO template = new TemplateObjectTO();
template.setPath(template.getName());
template.setFormat(Storage.ImageFormat.RAW);
template.setSize(srcData.getSize());
DataStoreTO imageStore = destData.getDataStore();
if (!(imageStore instanceof NfsTO)) {
return new CopyCmdAnswer("unsupported protocol");
}
return new CopyCmdAnswer(template);
}
@Override
public Answer createTemplateFromSnapshot(CopyCommand cmd) {
TemplateObjectTO template = (TemplateObjectTO)cmd.getDestTO();
DataStoreTO imageStore = template.getDataStore();
String details;
try {
if (!(imageStore instanceof NfsTO)) {
return new CopyCmdAnswer("Only support create template from snapshot, when the dest store is nfs");
}
template.setPath(template.getName());
template.setFormat(Storage.ImageFormat.RAW);
return new CopyCmdAnswer(template);
} catch (Throwable e) {
details = "CreatePrivateTemplateFromSnapshotCommand exception: " + e.toString();
return new CopyCmdAnswer(details);
}
}
@Override
public Answer backupSnapshot(CopyCommand cmd) {
DataTO srcData = cmd.getSrcTO();
DataTO destData = cmd.getDestTO();
SnapshotObjectTO snapshot = (SnapshotObjectTO)srcData;
DataStoreTO imageStore = destData.getDataStore();
if (!(imageStore instanceof NfsTO)) {
return new CopyCmdAnswer("unsupported protocol");
}
int index = snapshot.getPath().lastIndexOf("/");
String snapshotName = snapshot.getPath().substring(index + 1);
String snapshotRelPath = "snapshots";
SnapshotObjectTO newSnapshot = new SnapshotObjectTO();
newSnapshot.setPath(snapshotRelPath + File.separator + snapshotName);
return new CopyCmdAnswer(newSnapshot);
}
@Override
public Answer attachIso(AttachCommand cmd) {
DiskTO disk = cmd.getDisk();
TemplateObjectTO isoTO = (TemplateObjectTO)disk.getData();
DataStoreTO store = isoTO.getDataStore();
if (!(store instanceof NfsTO)) {
return new AttachAnswer("unsupported protocol");
}
return new Answer(cmd);
}
@Override
public Answer attachVolume(AttachCommand cmd) {
DiskTO disk = cmd.getDisk();
return new AttachAnswer(disk);
}
@Override
public Answer dettachIso(DettachCommand cmd) {
DiskTO disk = cmd.getDisk();
TemplateObjectTO isoTO = (TemplateObjectTO)disk.getData();
DataStoreTO store = isoTO.getDataStore();
if (!(store instanceof NfsTO)) {
return new AttachAnswer("unsupported protocol");
}
return new Answer(cmd);
}
@Override
public Answer dettachVolume(DettachCommand cmd) {
DiskTO disk = cmd.getDisk();
return new DettachAnswer(disk);
}
@Override
public Answer createVolume(CreateObjectCommand cmd) {
VolumeObjectTO volume = (VolumeObjectTO)cmd.getData();
VolumeObjectTO newVol = new VolumeObjectTO();
newVol.setPath(volume.getName());
return new CreateObjectAnswer(newVol);
}
@Override
public Answer createSnapshot(CreateObjectCommand cmd) {
String snapshotName = UUID.randomUUID().toString();
SnapshotObjectTO newSnapshot = new SnapshotObjectTO();
newSnapshot.setPath(snapshotName);
return new CreateObjectAnswer(newSnapshot);
}
@Override
public Answer deleteVolume(DeleteCommand cmd) {
return new Answer(null);
}
@Override
public Answer createVolumeFromSnapshot(CopyCommand cmd) {
DataTO srcData = cmd.getSrcTO();
SnapshotObjectTO snapshot = (SnapshotObjectTO)srcData;
String snapshotPath = snapshot.getPath();
int index = snapshotPath.lastIndexOf("/");
String snapshotName = snapshotPath.substring(index + 1);
VolumeObjectTO newVol = new VolumeObjectTO();
newVol.setPath(snapshotName);
return new CopyCmdAnswer(newVol);
}
@Override
public Answer deleteSnapshot(DeleteCommand cmd) {
return new Answer(cmd);
}
@Override
public Answer introduceObject(IntroduceObjectCmd cmd) {
// TODO Auto-generated method stub
return null;
}
@Override
public Answer forgetObject(ForgetObjectCmd cmd) {
// TODO Auto-generated method stub
return null;
}
}