CLOUDSTACK-1392: add create template from snapshot and volume

This commit is contained in:
Edison Su 2013-04-19 18:36:44 -07:00
parent 0978df95ad
commit b30e39b0e3
3 changed files with 97 additions and 10 deletions

View File

@ -21,11 +21,13 @@ package org.apache.cloudstack.storage.image;
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.DataStore;
import org.apache.cloudstack.engine.subsystem.api.storage.ImageService;
import org.apache.cloudstack.engine.subsystem.api.storage.ObjectInDataStoreStateMachine;
import org.apache.cloudstack.engine.subsystem.api.storage.ObjectInDataStoreStateMachine.Event;
import org.apache.cloudstack.engine.subsystem.api.storage.SnapshotInfo;
import org.apache.cloudstack.engine.subsystem.api.storage.TemplateEvent;
import org.apache.cloudstack.engine.subsystem.api.storage.TemplateInfo;
@ -37,6 +39,7 @@ import org.apache.cloudstack.framework.async.AsyncRpcConext;
import org.apache.cloudstack.storage.datastore.DataObjectManager;
import org.apache.cloudstack.storage.datastore.ObjectInDataStoreManager;
import org.apache.cloudstack.storage.image.store.TemplateObject;
import org.apache.cloudstack.storage.motion.DataMotionService;
import org.apache.log4j.Logger;
import org.springframework.stereotype.Component;
@ -49,6 +52,8 @@ public class ImageServiceImpl implements ImageService {
ObjectInDataStoreManager objectInDataStoreMgr;
@Inject
DataObjectManager dataObjectMgr;
@Inject
DataMotionService motionSrv;
class CreateTemplateContext<T> extends AsyncRpcConext<T> {
final TemplateInfo srcTemplate;
@ -140,17 +145,91 @@ public class ImageServiceImpl implements ImageService {
return null;
}
private class CopyTemplateContext<T> extends AsyncRpcConext<T> {
final AsyncCallFuture<CommandResult> future;
final DataObject object;
/**
* @param callback
*/
public CopyTemplateContext(AsyncCompletionCallback<T> callback, AsyncCallFuture<CommandResult> future, DataObject object) {
super(callback);
this.future = future;
this.object = object;
}
}
@Override
public AsyncCallFuture<CommandResult> createTemplateFromSnapshotAsync(
SnapshotInfo snapshot, TemplateInfo template, DataStore store) {
// TODO Auto-generated method stub
AsyncCallFuture<CommandResult> future = new AsyncCallFuture<CommandResult>();
DataObject templateOnStore = null;
try {
templateOnStore = store.create(template);
templateOnStore.processEvent(Event.CreateOnlyRequested);
CopyTemplateContext<CommandResult> context = new CopyTemplateContext<CommandResult>(null, future, templateOnStore);
AsyncCallbackDispatcher<ImageServiceImpl, CopyCommandResult> caller = AsyncCallbackDispatcher.create(this);
caller.setCallback(caller.getTarget().copyTemplateAsyncCallback(null, null))
.setContext(context);
this.motionSrv.copyAsync(snapshot, templateOnStore, caller);
} catch (Exception e) {
s_logger.debug("Failed to create template: " + template.getId() + "from snapshot: " + snapshot.getId() + ", due to " + e.toString());
if (templateOnStore != null) {
try {
templateOnStore.processEvent(Event.OperationFailed);
} catch (Exception e1) {
}
}
CommandResult result = new CommandResult();
result.setResult(e.toString());
future.complete(result);
}
return future;
}
protected Void copyTemplateAsyncCallback(AsyncCallbackDispatcher<ImageServiceImpl, CopyCommandResult> callback, CopyTemplateContext<CommandResult> context) {
CopyCommandResult result = callback.getResult();
AsyncCallFuture<CommandResult> future = context.future;
DataObject object = context.object;
CommandResult res = new CommandResult();
if (result.isFailed()) {
res.setResult(result.getResult());
object.processEvent(Event.OperationFailed);
} else {
object.processEvent(Event.OperationSuccessed);
}
future.complete(res);
return null;
}
@Override
public AsyncCallFuture<CommandResult> createTemplateFromVolumeAsync(
VolumeInfo volume, TemplateInfo template, DataStore store) {
// TODO Auto-generated method stub
return null;
AsyncCallFuture<CommandResult> future = new AsyncCallFuture<CommandResult>();
DataObject templateOnStore = null;
try {
templateOnStore = store.create(template);
templateOnStore.processEvent(Event.CreateOnlyRequested);
CopyTemplateContext<CommandResult> context = new CopyTemplateContext<CommandResult>(null, future, templateOnStore);
AsyncCallbackDispatcher<ImageServiceImpl, CopyCommandResult> caller = AsyncCallbackDispatcher.create(this);
caller.setCallback(caller.getTarget().copyTemplateAsyncCallback(null, null))
.setContext(context);
this.motionSrv.copyAsync(volume, templateOnStore, caller);
} catch (Exception e) {
s_logger.debug("Failed to create template: " + template.getId() + "from volume: " + volume.getId() + ", due to " + e.toString());
if (templateOnStore != null) {
try {
templateOnStore.processEvent(Event.OperationFailed);
} catch (Exception e1) {
}
}
CommandResult result = new CommandResult();
result.setResult(e.toString());
future.complete(result);
}
return future;
}
}

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@ -668,9 +668,7 @@ public class AncientDataMotionStrategy implements DataMotionStrategy {
String checkSum = this.templateMgr
.getChecksum(hostId, answer.getPath());
Transaction txn = Transaction.currentTxn();
txn.start();
privateTemplate.setChecksum(checkSum);
templateDao.update(privateTemplate.getId(), privateTemplate);
@ -685,8 +683,9 @@ public class AncientDataMotionStrategy implements DataMotionStrategy {
templateHostVO.setLastUpdated(new Date());
templateHostVO.setSize(answer.getVirtualSize());
templateHostVO.setPhysicalSize(answer.getphysicalSize());
templateHostDao.persist(templateHostVO);
txn.close();
return answer;
}

View File

@ -1716,8 +1716,17 @@ public class TemplateManagerImpl extends ManagerBase implements TemplateManager,
try {
TemplateInfo tmplInfo = this.tmplFactory.getTemplate(templateId);
snapshot = _snapshotDao.findById(snapshotId);
ZoneScope scope = new ZoneScope(snapshot.getDataCenterId());
ZoneScope scope = null;
Long zoneId = null;
if (snapshotId != null) {
snapshot = _snapshotDao.findById(snapshotId);
zoneId = snapshot.getDataCenterId();
} else if (volumeId != null) {
volume = _volumeDao.findById(volumeId);
zoneId = volume.getDataCenterId();
}
scope = new ZoneScope(zoneId);
List<DataStore> store = this.dataStoreMgr.getImageStores(scope);
if (store.size() > 1) {
throw new CloudRuntimeException("muliple image data store, don't know which one to use");
@ -1727,7 +1736,6 @@ public class TemplateManagerImpl extends ManagerBase implements TemplateManager,
SnapshotInfo snapInfo = this.snapshotFactory.getSnapshot(snapshotId);
future = this.imageSvr.createTemplateFromSnapshotAsync(snapInfo, tmplInfo, store.get(0));
} else if (volumeId != null) {
volume = _volumeDao.findById(volumeId);
VolumeInfo volInfo = this.volFactory.getVolume(volumeId);
future = this.imageSvr.createTemplateFromVolumeAsync(volInfo, tmplInfo, store.get(0));
} else {
@ -1748,7 +1756,7 @@ public class TemplateManagerImpl extends ManagerBase implements TemplateManager,
UsageEventVO usageEvent = new UsageEventVO(
EventTypes.EVENT_TEMPLATE_CREATE,
privateTemplate.getAccountId(),
snapshot.getDataCenterId(),
zoneId,
privateTemplate.getId(), privateTemplate.getName(),
null, privateTemplate.getSourceTemplateId(),
privateTemplate.getSize());
@ -1971,6 +1979,7 @@ public class TemplateManagerImpl extends ManagerBase implements TemplateManager,
}
}
privateTemplate.setSourceTemplateId(sourceTemplateId);
privateTemplate.setImageDataStoreId(1);
VMTemplateVO template = this._tmpltDao.persist(privateTemplate);
// Increment the number of templates