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Posted to commits@cloudstack.apache.org by mc...@apache.org on 2013/04/23 06:51:22 UTC

git commit: updated refs/heads/object_store to e40a06d

Updated Branches:
  refs/heads/object_store b8c5c67fb -> e40a06dea


Fix extractTemplateCmd.

Project: http://git-wip-us.apache.org/repos/asf/cloudstack/repo
Commit: http://git-wip-us.apache.org/repos/asf/cloudstack/commit/e40a06de
Tree: http://git-wip-us.apache.org/repos/asf/cloudstack/tree/e40a06de
Diff: http://git-wip-us.apache.org/repos/asf/cloudstack/diff/e40a06de

Branch: refs/heads/object_store
Commit: e40a06deaea3c040255d8472ea3c9301f8fb2955
Parents: b8c5c67
Author: Min Chen <mi...@citrix.com>
Authored: Mon Apr 22 21:48:57 2013 -0700
Committer: Min Chen <mi...@citrix.com>
Committed: Mon Apr 22 21:48:57 2013 -0700

----------------------------------------------------------------------
 api/src/com/cloud/template/TemplateApiService.java |    5 +-
 .../apache/cloudstack/api/ResponseGenerator.java   |    2 +-
 .../api/command/user/iso/ExtractIsoCmd.java        |   14 +-
 .../command/user/template/ExtractTemplateCmd.java  |   14 +-
 .../engine/subsystem/api/storage/EndPoint.java     |    1 +
 .../storage/image/datastore/ImageStoreEntity.java  |   37 +++
 .../cloudstack/storage/LocalHostEndpoint.java      |   10 +-
 .../cloudstack/storage/RemoteHostEndPoint.java     |   17 +-
 .../storage/image/datastore/ImageStoreEntity.java  |   37 ---
 server/src/com/cloud/api/ApiResponseHelper.java    |   19 +-
 .../com/cloud/storage/upload/UploadMonitor.java    |   10 +-
 .../cloud/storage/upload/UploadMonitorImpl.java    |  194 ++++++++-------
 .../com/cloud/template/TemplateManagerImpl.java    |   78 +++----
 13 files changed, 235 insertions(+), 203 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cloudstack/blob/e40a06de/api/src/com/cloud/template/TemplateApiService.java
----------------------------------------------------------------------
diff --git a/api/src/com/cloud/template/TemplateApiService.java b/api/src/com/cloud/template/TemplateApiService.java
index e3906e1..d907b10 100755
--- a/api/src/com/cloud/template/TemplateApiService.java
+++ b/api/src/com/cloud/template/TemplateApiService.java
@@ -36,6 +36,7 @@ import com.cloud.exception.InternalErrorException;
 import com.cloud.exception.ResourceAllocationException;
 import com.cloud.exception.StorageUnavailableException;
 import com.cloud.user.Account;
+import com.cloud.utils.Pair;
 import com.cloud.utils.exception.CloudRuntimeException;
 
 public interface TemplateApiService {
@@ -76,7 +77,7 @@ public interface TemplateApiService {
      *            - the command specifying the mode and id of the ISO
      * @return extractId.
      */
-    Long extract(ExtractIsoCmd cmd) throws InternalErrorException;
+    Pair<Long, String> extract(ExtractIsoCmd cmd) throws InternalErrorException;
 
     /**
      * Extracts a Template
@@ -85,7 +86,7 @@ public interface TemplateApiService {
      *            - the command specifying the mode and id of the template
      * @return extractId
      */
-    Long extract(ExtractTemplateCmd cmd) throws InternalErrorException;
+    Pair<Long, String> extract(ExtractTemplateCmd cmd) throws InternalErrorException;
 
     VirtualMachineTemplate getTemplate(long templateId);
 

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/e40a06de/api/src/org/apache/cloudstack/api/ResponseGenerator.java
----------------------------------------------------------------------
diff --git a/api/src/org/apache/cloudstack/api/ResponseGenerator.java b/api/src/org/apache/cloudstack/api/ResponseGenerator.java
index 77d3bea..c780bda 100644
--- a/api/src/org/apache/cloudstack/api/ResponseGenerator.java
+++ b/api/src/org/apache/cloudstack/api/ResponseGenerator.java
@@ -257,7 +257,7 @@ public interface ResponseGenerator {
 
     SecurityGroupResponse createSecurityGroupResponse(SecurityGroup group);
 
-    ExtractResponse createExtractResponse(Long uploadId, Long id, Long zoneId, Long accountId, String mode);
+    ExtractResponse createExtractResponse(Long uploadId, Long id, Long zoneId, Long accountId, String mode, String url);
 
     String toSerializedString(CreateCmdResponse response, String responseType);
 

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/e40a06de/api/src/org/apache/cloudstack/api/command/user/iso/ExtractIsoCmd.java
----------------------------------------------------------------------
diff --git a/api/src/org/apache/cloudstack/api/command/user/iso/ExtractIsoCmd.java b/api/src/org/apache/cloudstack/api/command/user/iso/ExtractIsoCmd.java
index 08a15ee..c405f2d 100644
--- a/api/src/org/apache/cloudstack/api/command/user/iso/ExtractIsoCmd.java
+++ b/api/src/org/apache/cloudstack/api/command/user/iso/ExtractIsoCmd.java
@@ -33,6 +33,7 @@ import com.cloud.exception.InternalErrorException;
 import com.cloud.template.VirtualMachineTemplate;
 import com.cloud.user.Account;
 import com.cloud.user.UserContext;
+import com.cloud.utils.Pair;
 
 @APICommand(name = "extractIso", description="Extracts an ISO", responseObject=ExtractResponse.class)
 public class ExtractIsoCmd extends BaseAsyncCmd {
@@ -123,9 +124,16 @@ public class ExtractIsoCmd extends BaseAsyncCmd {
     public void execute(){
         try {
             UserContext.current().setEventDetails(getEventDescription());
-            Long uploadId = _templateService.extract(this);
-            if (uploadId != null){
-                ExtractResponse response = _responseGenerator.createExtractResponse(uploadId, id, zoneId, getEntityOwnerId(), mode);
+            Pair<Long, String> uploadPair = _templateService.extract(this);
+            if (uploadPair != null){
+                ExtractResponse response = null;
+                if (uploadPair.second() != null ) {
+                    // region-wide image store
+                    response = _responseGenerator.createExtractResponse(null, id, zoneId, getEntityOwnerId(), mode, uploadPair.second());
+                } else {
+                    // nfs image store
+                    response = _responseGenerator.createExtractResponse(uploadPair.first(), id, zoneId, getEntityOwnerId(), mode, null);
+                }
                 response.setResponseName(getCommandName());
                 response.setObjectName("iso");
                 this.setResponseObject(response);

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/e40a06de/api/src/org/apache/cloudstack/api/command/user/template/ExtractTemplateCmd.java
----------------------------------------------------------------------
diff --git a/api/src/org/apache/cloudstack/api/command/user/template/ExtractTemplateCmd.java b/api/src/org/apache/cloudstack/api/command/user/template/ExtractTemplateCmd.java
index 9a2dee3..2ec957e 100644
--- a/api/src/org/apache/cloudstack/api/command/user/template/ExtractTemplateCmd.java
+++ b/api/src/org/apache/cloudstack/api/command/user/template/ExtractTemplateCmd.java
@@ -34,6 +34,7 @@ import com.cloud.exception.InternalErrorException;
 import com.cloud.template.VirtualMachineTemplate;
 import com.cloud.user.Account;
 import com.cloud.user.UserContext;
+import com.cloud.utils.Pair;
 
 @APICommand(name = "extractTemplate", description="Extracts a template", responseObject=ExtractResponse.class)
 public class ExtractTemplateCmd extends BaseAsyncCmd {
@@ -125,9 +126,16 @@ public class ExtractTemplateCmd extends BaseAsyncCmd {
     public void execute(){
         try {
             UserContext.current().setEventDetails(getEventDescription());
-            Long uploadId = _templateService.extract(this);
-            if (uploadId != null){
-                ExtractResponse response = _responseGenerator.createExtractResponse(uploadId, id, zoneId, getEntityOwnerId(), mode);
+            Pair<Long, String> uploadPair = _templateService.extract(this);
+            if (uploadPair != null){
+                ExtractResponse response = null;
+                if (uploadPair.second() != null ) {
+                    // region-wide image store
+                    response = _responseGenerator.createExtractResponse(null, id, zoneId, getEntityOwnerId(), mode, uploadPair.second());
+                } else {
+                    // nfs image store
+                    response = _responseGenerator.createExtractResponse(uploadPair.first(), id, zoneId, getEntityOwnerId(), mode, null);
+                }
                 response.setResponseName(getCommandName());
                 this.setResponseObject(response);
             } else {

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/e40a06de/engine/api/src/org/apache/cloudstack/engine/subsystem/api/storage/EndPoint.java
----------------------------------------------------------------------
diff --git a/engine/api/src/org/apache/cloudstack/engine/subsystem/api/storage/EndPoint.java b/engine/api/src/org/apache/cloudstack/engine/subsystem/api/storage/EndPoint.java
index eb6da70..4966419 100644
--- a/engine/api/src/org/apache/cloudstack/engine/subsystem/api/storage/EndPoint.java
+++ b/engine/api/src/org/apache/cloudstack/engine/subsystem/api/storage/EndPoint.java
@@ -24,6 +24,7 @@ import com.cloud.agent.api.Command;
 
 public interface EndPoint {
     public long getId();
+    public String getHostAddr();
 	public Answer sendMessage(Command cmd);
 	public void sendMessageAsync(Command cmd, AsyncCompletionCallback<Answer> callback);
 	void sendMessageAsyncWithListener(Command cmd, Listener listner);

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/e40a06de/engine/api/src/org/apache/cloudstack/storage/image/datastore/ImageStoreEntity.java
----------------------------------------------------------------------
diff --git a/engine/api/src/org/apache/cloudstack/storage/image/datastore/ImageStoreEntity.java b/engine/api/src/org/apache/cloudstack/storage/image/datastore/ImageStoreEntity.java
new file mode 100644
index 0000000..fb1b1d7
--- /dev/null
+++ b/engine/api/src/org/apache/cloudstack/storage/image/datastore/ImageStoreEntity.java
@@ -0,0 +1,37 @@
+/*
+ * 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.datastore;
+
+import java.util.Set;
+
+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.SnapshotInfo;
+import org.apache.cloudstack.engine.subsystem.api.storage.TemplateInfo;
+import org.apache.cloudstack.engine.subsystem.api.storage.VolumeInfo;
+
+import com.cloud.storage.ImageStore;
+
+public interface ImageStoreEntity extends DataStore, ImageStore {
+    TemplateInfo getTemplate(long templateId);
+    VolumeInfo getVolume(long volumeId);
+    SnapshotInfo getSnapshot(long snapshotId);
+    boolean exists(DataObject object);
+    Set<TemplateInfo> listTemplates();
+}

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/e40a06de/engine/storage/src/org/apache/cloudstack/storage/LocalHostEndpoint.java
----------------------------------------------------------------------
diff --git a/engine/storage/src/org/apache/cloudstack/storage/LocalHostEndpoint.java b/engine/storage/src/org/apache/cloudstack/storage/LocalHostEndpoint.java
index 9fe0c55..8844b4c 100644
--- a/engine/storage/src/org/apache/cloudstack/storage/LocalHostEndpoint.java
+++ b/engine/storage/src/org/apache/cloudstack/storage/LocalHostEndpoint.java
@@ -30,7 +30,13 @@ public class LocalHostEndpoint implements EndPoint {
 		return 0;
 	}
 
+
 	@Override
+    public String getHostAddr() {
+        return "127.0.0.0";
+    }
+
+    @Override
 	public Answer sendMessage(Command cmd) {
 		if (cmd instanceof CopyCommand) {
 			return resource.executeRequest(cmd);
@@ -52,7 +58,7 @@ public class LocalHostEndpoint implements EndPoint {
 			callback.complete(answer);
 		}
 	}
-	
+
 	private class CmdRunner2 implements Runnable {
 		final Command cmd;
 		final AsyncCompletionCallback<DownloadAnswer> callback;
@@ -71,7 +77,7 @@ public class LocalHostEndpoint implements EndPoint {
 			AsyncCompletionCallback<Answer> callback) {
 		 executor.schedule(new CmdRunner(cmd, callback), 10, TimeUnit.SECONDS);
 	}
-	
+
 	@Override
 	public void sendMessageAsyncWithListener(Command cmd, Listener listner) {
 		if (listner instanceof DownloadListener) {

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/e40a06de/engine/storage/src/org/apache/cloudstack/storage/RemoteHostEndPoint.java
----------------------------------------------------------------------
diff --git a/engine/storage/src/org/apache/cloudstack/storage/RemoteHostEndPoint.java b/engine/storage/src/org/apache/cloudstack/storage/RemoteHostEndPoint.java
index 9ce4e75..acf78f2 100644
--- a/engine/storage/src/org/apache/cloudstack/storage/RemoteHostEndPoint.java
+++ b/engine/storage/src/org/apache/cloudstack/storage/RemoteHostEndPoint.java
@@ -51,22 +51,23 @@ public class RemoteHostEndPoint implements EndPoint {
     protected RemoteHostEndPoint() {
     	executor = Executors.newScheduledThreadPool(10);
     }
-    
+
     private void configure(long hostId, String hostAddress) {
         this.hostId = hostId;
         this.hostAddress = hostAddress;
     }
-    
+
     public static RemoteHostEndPoint getHypervisorHostEndPoint(long hostId, String hostAddress) {
         RemoteHostEndPoint ep = ComponentContext.inject(RemoteHostEndPoint.class);
         ep.configure(hostId, hostAddress);
         return ep;
     }
-    
+
+    @Override
     public String getHostAddr() {
         return this.hostAddress;
     }
-    
+
     public long getId() {
         return this.hostId;
     }
@@ -85,7 +86,7 @@ public class RemoteHostEndPoint implements EndPoint {
 		}
     	throw new CloudRuntimeException("Failed to send command, due to Agent:" + getId() + ", " + errMsg);
     }
-    
+
     private class CmdRunner implements Runnable {
 		final Command cmd;
 		final AsyncCompletionCallback<Answer> callback;
@@ -98,14 +99,14 @@ public class RemoteHostEndPoint implements EndPoint {
 			Answer answer = sendMessage(cmd);
 			callback.complete(answer);
 		}
-		
+
 	}
-    
+
     @Override
     public void sendMessageAsync(Command cmd, AsyncCompletionCallback<Answer> callback) {
     	executor.schedule(new CmdRunner(cmd, callback), 10, TimeUnit.SECONDS);
     }
-    
+
     @Override
     public void sendMessageAsyncWithListener(Command cmd, Listener listener) {
     	try {

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/e40a06de/engine/storage/src/org/apache/cloudstack/storage/image/datastore/ImageStoreEntity.java
----------------------------------------------------------------------
diff --git a/engine/storage/src/org/apache/cloudstack/storage/image/datastore/ImageStoreEntity.java b/engine/storage/src/org/apache/cloudstack/storage/image/datastore/ImageStoreEntity.java
deleted file mode 100644
index fb1b1d7..0000000
--- a/engine/storage/src/org/apache/cloudstack/storage/image/datastore/ImageStoreEntity.java
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * 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.datastore;
-
-import java.util.Set;
-
-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.SnapshotInfo;
-import org.apache.cloudstack.engine.subsystem.api.storage.TemplateInfo;
-import org.apache.cloudstack.engine.subsystem.api.storage.VolumeInfo;
-
-import com.cloud.storage.ImageStore;
-
-public interface ImageStoreEntity extends DataStore, ImageStore {
-    TemplateInfo getTemplate(long templateId);
-    VolumeInfo getVolume(long volumeId);
-    SnapshotInfo getSnapshot(long snapshotId);
-    boolean exists(DataObject object);
-    Set<TemplateInfo> listTemplates();
-}

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/e40a06de/server/src/com/cloud/api/ApiResponseHelper.java
----------------------------------------------------------------------
diff --git a/server/src/com/cloud/api/ApiResponseHelper.java b/server/src/com/cloud/api/ApiResponseHelper.java
index a0c9d38..faf6155 100755
--- a/server/src/com/cloud/api/ApiResponseHelper.java
+++ b/server/src/com/cloud/api/ApiResponseHelper.java
@@ -242,6 +242,7 @@ import com.cloud.storage.ImageStore;
 import com.cloud.storage.S3;
 import com.cloud.storage.Snapshot;
 import com.cloud.storage.SnapshotVO;
+import com.cloud.storage.Upload;
 import com.cloud.storage.Storage.ImageFormat;
 import com.cloud.storage.Storage.StoragePoolType;
 import com.cloud.storage.Storage.TemplateType;
@@ -1525,8 +1526,8 @@ public class ApiResponseHelper implements ResponseGenerator {
     }
 
     @Override
-    public ExtractResponse createExtractResponse(Long uploadId, Long id, Long zoneId, Long accountId, String mode) {
-        UploadVO uploadInfo = ApiDBUtils.findUploadById(uploadId);
+    public ExtractResponse createExtractResponse(Long uploadId, Long id, Long zoneId, Long accountId, String mode, String url) {
+
         ExtractResponse response = new ExtractResponse();
         response.setObjectName("template");
         VMTemplateVO template = ApiDBUtils.findTemplateById(id);
@@ -1538,11 +1539,19 @@ public class ApiResponseHelper implements ResponseGenerator {
             response.setZoneName(zone.getName());
         }
         response.setMode(mode);
-        response.setUploadId(uploadInfo.getUuid());
-        response.setState(uploadInfo.getUploadState().toString());
+        if (uploadId == null) {
+            // region-wide image store
+            response.setUrl(url);
+            response.setState(Upload.Status.DOWNLOAD_URL_CREATED.toString());
+        } else {
+            UploadVO uploadInfo = ApiDBUtils.findUploadById(uploadId);
+            response.setUploadId(uploadInfo.getUuid());
+            response.setState(uploadInfo.getUploadState().toString());
+            response.setUrl(uploadInfo.getUploadUrl());
+        }
         Account account = ApiDBUtils.findAccountById(accountId);
         response.setAccountId(account.getUuid());
-        response.setUrl(uploadInfo.getUploadUrl());
+
         return response;
 
     }

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/e40a06de/server/src/com/cloud/storage/upload/UploadMonitor.java
----------------------------------------------------------------------
diff --git a/server/src/com/cloud/storage/upload/UploadMonitor.java b/server/src/com/cloud/storage/upload/UploadMonitor.java
index 1c3590e..dd50d1a 100755
--- a/server/src/com/cloud/storage/upload/UploadMonitor.java
+++ b/server/src/com/cloud/storage/upload/UploadMonitor.java
@@ -17,6 +17,8 @@
 package com.cloud.storage.upload;
 
 
+import org.apache.cloudstack.storage.datastore.db.TemplateDataStoreVO;
+
 import com.cloud.async.AsyncJobManager;
 import com.cloud.host.HostVO;
 import com.cloud.storage.Upload.Mode;
@@ -32,12 +34,12 @@ import com.cloud.utils.component.Manager;
  * Monitor upload progress of all entities.
  *
  */
-public interface UploadMonitor extends Manager{		
-	
+public interface UploadMonitor extends Manager{
+
 	public void cancelAllUploads(Long templateId);
 
 	public Long extractTemplate(VMTemplateVO template, String url,
-			VMTemplateHostVO tmpltHostRef,Long dataCenterId, long eventId, long asyncJobId, AsyncJobManager asyncMgr);
+			TemplateDataStoreVO tmpltStoreRef,Long dataCenterId, long eventId, long asyncJobId, AsyncJobManager asyncMgr);
 
     boolean isTypeUploadInProgress(Long typeId, Type type);
 
@@ -51,7 +53,7 @@ public interface UploadMonitor extends Manager{
             long asyncJobId, AsyncJobManager asyncMgr);
 
     UploadVO createEntityDownloadURL(VMTemplateVO template,
-            VMTemplateHostVO vmTemplateHost, Long dataCenterId, long eventId);
+            TemplateDataStoreVO vmTemplateStore, Long dataCenterId, long eventId);
 
     void createVolumeDownloadURL(Long entityId, String path, Type type,
             Long dataCenterId, Long uploadId);

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/e40a06de/server/src/com/cloud/storage/upload/UploadMonitorImpl.java
----------------------------------------------------------------------
diff --git a/server/src/com/cloud/storage/upload/UploadMonitorImpl.java b/server/src/com/cloud/storage/upload/UploadMonitorImpl.java
index 77f0d20..0495255 100755
--- a/server/src/com/cloud/storage/upload/UploadMonitorImpl.java
+++ b/server/src/com/cloud/storage/upload/UploadMonitorImpl.java
@@ -32,14 +32,22 @@ import javax.ejb.Local;
 import javax.inject.Inject;
 import javax.naming.ConfigurationException;
 
+import org.apache.cloudstack.engine.subsystem.api.storage.DataStore;
+import org.apache.cloudstack.engine.subsystem.api.storage.DataStoreManager;
+import org.apache.cloudstack.engine.subsystem.api.storage.EndPoint;
+import org.apache.cloudstack.engine.subsystem.api.storage.EndPointSelector;
+import org.apache.cloudstack.storage.datastore.db.TemplateDataStoreVO;
+import org.apache.cloudstack.storage.datastore.db.ImageStoreVO;
 import org.apache.log4j.Logger;
 import org.springframework.stereotype.Component;
 
 import com.cloud.agent.AgentManager;
 import com.cloud.agent.Listener;
+import com.cloud.agent.api.Answer;
 import com.cloud.agent.api.Command;
 import com.cloud.agent.api.storage.CreateEntityDownloadURLCommand;
 import com.cloud.agent.api.storage.DeleteEntityDownloadURLCommand;
+import com.cloud.agent.api.storage.ListTemplateAnswer;
 import com.cloud.agent.api.storage.UploadCommand;
 import com.cloud.agent.api.storage.UploadProgressCommand.RequestType;
 import com.cloud.agent.manager.Commands;
@@ -56,6 +64,7 @@ import com.cloud.storage.Upload;
 import com.cloud.storage.Upload.Mode;
 import com.cloud.storage.Upload.Status;
 import com.cloud.storage.Upload.Type;
+import com.cloud.storage.DataStoreRole;
 import com.cloud.storage.UploadVO;
 import com.cloud.storage.VMTemplateHostVO;
 import com.cloud.storage.VMTemplateVO;
@@ -82,17 +91,17 @@ import com.cloud.vm.dao.SecondaryStorageVmDao;
 public class UploadMonitorImpl extends ManagerBase implements UploadMonitor {
 
 	static final Logger s_logger = Logger.getLogger(UploadMonitorImpl.class);
-	
-    @Inject 
+
+    @Inject
     VMTemplateHostDao _vmTemplateHostDao;
-    @Inject 
+    @Inject
     UploadDao _uploadDao;
     @Inject
     SecondaryStorageVmDao _secStorageVmDao;
 
-    
+
     @Inject
-    HostDao _serverDao = null;    
+    HostDao _serverDao = null;
     @Inject
     VMTemplateDao _templateDao =  null;
     @Inject
@@ -103,6 +112,10 @@ public class UploadMonitorImpl extends ManagerBase implements UploadMonitor {
     ResourceManager _resourceMgr;
     @Inject
     SecondaryStorageVmManager _ssvmMgr;
+    @Inject
+    EndPointSelector _epSelector;
+    @Inject
+    DataStoreManager storeMgr;
 
 	private String _name;
 	private Boolean _sslCopy = new Boolean(false);
@@ -114,46 +127,46 @@ public class UploadMonitorImpl extends ManagerBase implements UploadMonitor {
 
 	final Map<UploadVO, UploadListener> _listenerMap = new ConcurrentHashMap<UploadVO, UploadListener>();
 
-	
+
 	@Override
 	public void cancelAllUploads(Long templateId) {
 		// TODO
 
-	}	
-	
+	}
+
 	@Override
 	public boolean isTypeUploadInProgress(Long typeId, Type type) {
 		List<UploadVO> uploadsInProgress =
 			_uploadDao.listByTypeUploadStatus(typeId, type, UploadVO.Status.UPLOAD_IN_PROGRESS);
-		
+
 		if(uploadsInProgress.size() > 0) {
             return true;
         } else if (type == Type.VOLUME && _uploadDao.listByTypeUploadStatus(typeId, type, UploadVO.Status.COPY_IN_PROGRESS).size() > 0){
 		    return true;
 		}
 		return false;
-		
+
 	}
-	
+
 	@Override
 	public UploadVO createNewUploadEntry(Long hostId, Long typeId, UploadVO.Status  uploadState,
 	                                        Type  type, String uploadUrl, Upload.Mode mode){
-	       
-        UploadVO uploadObj = new UploadVO(hostId, typeId, new Date(), 
+
+        UploadVO uploadObj = new UploadVO(hostId, typeId, new Date(),
                                           uploadState, type, uploadUrl, mode);
         _uploadDao.persist(uploadObj);
-        
+
         return uploadObj;
-	    
+
 	}
-	
+
 	@Override
-	public void extractVolume(UploadVO uploadVolumeObj, HostVO sserver, VolumeVO volume, String url, Long dataCenterId, String installPath, long eventId, long asyncJobId, AsyncJobManager asyncMgr){				
-						
+	public void extractVolume(UploadVO uploadVolumeObj, HostVO sserver, VolumeVO volume, String url, Long dataCenterId, String installPath, long eventId, long asyncJobId, AsyncJobManager asyncMgr){
+
 		uploadVolumeObj.setUploadState(Upload.Status.NOT_UPLOADED);
 		_uploadDao.update(uploadVolumeObj.getId(), uploadVolumeObj);
-				
-	    start();		
+
+	    start();
 		UploadCommand ucmd = new UploadCommand(url, volume.getId(), volume.getSize(), installPath, Type.VOLUME);
 		UploadListener ul = new UploadListener(sserver, _timer, _uploadDao, uploadVolumeObj, this, ucmd, volume.getAccountId(), volume.getName(), Type.VOLUME, eventId, asyncJobId, asyncMgr);
 		_listenerMap.put(uploadVolumeObj, ul);
@@ -164,26 +177,26 @@ public class UploadMonitorImpl extends ManagerBase implements UploadMonitor {
 			s_logger.warn("Unable to start upload of volume " + volume.getName() + " from " + sserver.getName() + " to " +url, e);
 			ul.setDisconnected();
 			ul.scheduleStatusCheck(RequestType.GET_OR_RESTART);
-        }		
+        }
 	}
 
 	@Override
 	public Long extractTemplate( VMTemplateVO template, String url,
-			VMTemplateHostVO vmTemplateHost,Long dataCenterId, long eventId, long asyncJobId, AsyncJobManager asyncMgr){
+			TemplateDataStoreVO vmTemplateHost,Long dataCenterId, long eventId, long asyncJobId, AsyncJobManager asyncMgr){
 
 		Type type = (template.getFormat() == ImageFormat.ISO) ? Type.ISO : Type.TEMPLATE ;
-				
+
 		List<HostVO> storageServers = _resourceMgr.listAllHostsInOneZoneByType(Host.Type.SecondaryStorage, dataCenterId);
-		HostVO sserver = storageServers.get(0);			
-		
-		UploadVO uploadTemplateObj = new UploadVO(sserver.getId(), template.getId(), new Date(), 
+		HostVO sserver = storageServers.get(0);
+
+		UploadVO uploadTemplateObj = new UploadVO(sserver.getId(), template.getId(), new Date(),
 													Upload.Status.NOT_UPLOADED, type, url, Mode.FTP_UPLOAD);
-		_uploadDao.persist(uploadTemplateObj);        		               
-        		
+		_uploadDao.persist(uploadTemplateObj);
+
 		if(vmTemplateHost != null) {
 		    start();
-			UploadCommand ucmd = new UploadCommand(template, url, vmTemplateHost.getInstallPath(), vmTemplateHost.getSize());	
-			UploadListener ul = new UploadListener(sserver, _timer, _uploadDao, uploadTemplateObj, this, ucmd, template.getAccountId(), template.getName(), type, eventId, asyncJobId, asyncMgr);			
+			UploadCommand ucmd = new UploadCommand(template, url, vmTemplateHost.getInstallPath(), vmTemplateHost.getSize());
+			UploadListener ul = new UploadListener(sserver, _timer, _uploadDao, uploadTemplateObj, this, ucmd, template.getAccountId(), template.getName(), type, eventId, asyncJobId, asyncMgr);
 			_listenerMap.put(uploadTemplateObj, ul);
 
 			try {
@@ -194,57 +207,54 @@ public class UploadMonitorImpl extends ManagerBase implements UploadMonitor {
 				ul.scheduleStatusCheck(RequestType.GET_OR_RESTART);
             }
 			return uploadTemplateObj.getId();
-		}		
-		return null;		
-	}	
-	
+		}
+		return null;
+	}
+
 	@Override
-	public UploadVO createEntityDownloadURL(VMTemplateVO template, VMTemplateHostVO vmTemplateHost, Long dataCenterId, long eventId) {
-	    
+	public UploadVO createEntityDownloadURL(VMTemplateVO template, TemplateDataStoreVO vmTemplateHost, Long dataCenterId, long eventId) {
+
 	    String errorString = "";
 	    boolean success = false;
-	    Host secStorage = ApiDBUtils.findHostById(vmTemplateHost.getHostId());	    
 	    Type type = (template.getFormat() == ImageFormat.ISO) ? Type.ISO : Type.TEMPLATE ;
-	    
-        //Check if ssvm is up
-        HostVO ssvm = _ssvmMgr.pickSsvmHost(ApiDBUtils.findHostById(vmTemplateHost.getHostId()));
-        if( ssvm == null ) {
-            throw new CloudRuntimeException("There is no secondary storage VM for secondary storage host " + secStorage.getId());
-        }
-	    
+
+
 	    //Check if it already exists.
-	    List<UploadVO> extractURLList = _uploadDao.listByTypeUploadStatus(template.getId(), type, UploadVO.Status.DOWNLOAD_URL_CREATED);	    
+	    List<UploadVO> extractURLList = _uploadDao.listByTypeUploadStatus(template.getId(), type, UploadVO.Status.DOWNLOAD_URL_CREATED);
 	    if (extractURLList.size() > 0) {
             return extractURLList.get(0);
         }
-	    
-	    // It doesn't exist so create a DB entry.	    
-	    UploadVO uploadTemplateObj = new UploadVO(vmTemplateHost.getHostId(), template.getId(), new Date(), 
-	                                                Status.DOWNLOAD_URL_NOT_CREATED, 0, type, Mode.HTTP_DOWNLOAD); 
-	    uploadTemplateObj.setInstallPath(vmTemplateHost.getInstallPath());	                                                
+
+	    // It doesn't exist so create a DB entry.
+	    UploadVO uploadTemplateObj = new UploadVO(vmTemplateHost.getDataStoreId(), template.getId(), new Date(),
+	                                                Status.DOWNLOAD_URL_NOT_CREATED, 0, type, Mode.HTTP_DOWNLOAD);
+	    uploadTemplateObj.setInstallPath(vmTemplateHost.getInstallPath());
 	    _uploadDao.persist(uploadTemplateObj);
+
+	    // find an endpoint to send command
+	    DataStore store = this.storeMgr.getDataStore(vmTemplateHost.getDataStoreId(), DataStoreRole.Image);
+	    EndPoint ep = _epSelector.select(store);
 	    try{
     	    // Create Symlink at ssvm
 	    	String path = vmTemplateHost.getInstallPath();
 	    	String uuid = UUID.randomUUID().toString() + "." + template.getFormat().getFileExtension(); // adding "." + vhd/ova... etc.
-	    	CreateEntityDownloadURLCommand cmd = new CreateEntityDownloadURLCommand(secStorage.getParent(), path, uuid);
-    	    try {
-	            send(ssvm.getId(), cmd, null);
-            } catch (AgentUnavailableException e) {
-    	        errorString = "Unable to create a link for " +type+ " id:"+template.getId() + "," + e.getMessage();
-                s_logger.error(errorString, e);
+	    	CreateEntityDownloadURLCommand cmd = new CreateEntityDownloadURLCommand(((ImageStoreVO)store).getParent(), path, uuid);
+	    	Answer ans = ep.sendMessage(cmd);
+	        if (ans == null || !ans.getResult()) {
+    	        errorString = "Unable to create a link for " +type+ " id:"+template.getId() + "," + ans.getDetails();
+                s_logger.error(errorString);
                 throw new CloudRuntimeException(errorString);
             }
 
     	    //Construct actual URL locally now that the symlink exists at SSVM
-            String extractURL = generateCopyUrl(ssvm.getPublicIpAddress(), uuid);
+            String extractURL = generateCopyUrl(ep.getHostAddr(), uuid);
             UploadVO vo = _uploadDao.createForUpdate();
             vo.setLastUpdated(new Date());
             vo.setUploadUrl(extractURL);
             vo.setUploadState(Status.DOWNLOAD_URL_CREATED);
             _uploadDao.update(uploadTemplateObj.getId(), vo);
             success = true;
-            return _uploadDao.findById(uploadTemplateObj.getId(), true);        
+            return _uploadDao.findById(uploadTemplateObj.getId(), true);
 	    }finally{
            if(!success){
                 UploadVO uploadJob = _uploadDao.createForUpdate(uploadTemplateObj.getId());
@@ -254,22 +264,22 @@ public class UploadMonitorImpl extends ManagerBase implements UploadMonitor {
                 _uploadDao.update(uploadTemplateObj.getId(), uploadJob);
             }
 	    }
-	    
+
 	}
-	
+
 	@Override
     public void createVolumeDownloadURL(Long entityId, String path, Type type, Long dataCenterId, Long uploadId) {
-        
+
 	    String errorString = "";
 	    boolean success = false;
 	    try{
             List<HostVO> storageServers = _resourceMgr.listAllHostsInOneZoneByType(Host.Type.SecondaryStorage, dataCenterId);
             if(storageServers == null ){
                 errorString = "No Storage Server found at the datacenter - " +dataCenterId;
-                throw new CloudRuntimeException(errorString);   
-            }                    
-            
-            // Update DB for state = DOWNLOAD_URL_NOT_CREATED.        
+                throw new CloudRuntimeException(errorString);
+            }
+
+            // Update DB for state = DOWNLOAD_URL_NOT_CREATED.
             UploadVO uploadJob = _uploadDao.createForUpdate(uploadId);
             uploadJob.setUploadState(Status.DOWNLOAD_URL_NOT_CREATED);
             uploadJob.setLastUpdated(new Date());
@@ -283,7 +293,7 @@ public class UploadMonitorImpl extends ManagerBase implements UploadMonitor {
             	errorString = "There is no secondary storage VM for secondary storage host " + secStorage.getName();
             	throw new CloudRuntimeException(errorString);
             }
-            
+
             CreateEntityDownloadURLCommand cmd = new CreateEntityDownloadURLCommand(secStorage.getParent(), path, uuid);
             try {
 	            send(ssvm.getId(), cmd, null);
@@ -323,7 +333,7 @@ public class UploadMonitorImpl extends ManagerBase implements UploadMonitor {
 	        }
 	    }
     }
-	
+
 	   private String generateCopyUrl(String ipAddress, String uuid){
 	        String hostname = ipAddress;
 	        String scheme = "http";
@@ -332,9 +342,9 @@ public class UploadMonitorImpl extends ManagerBase implements UploadMonitor {
 	            hostname = hostname + ".realhostip.com";
 	            scheme = "https";
 	        }
-	        return scheme + "://" + hostname + "/userdata/" + uuid; 
+	        return scheme + "://" + hostname + "/userdata/" + uuid;
 	    }
-	
+
 
 
 	public void send(Long hostId, Command cmd, Listener listener) throws AgentUnavailableException {
@@ -346,19 +356,19 @@ public class UploadMonitorImpl extends ManagerBase implements UploadMonitor {
 			throws ConfigurationException {
         final Map<String, String> configs = _configDao.getConfiguration("ManagementServer", params);
         _sslCopy = Boolean.parseBoolean(configs.get("secstorage.encrypt.copy"));
-        
+
         String cert = configs.get("secstorage.secure.copy.cert");
         if ("realhostip.com".equalsIgnoreCase(cert)) {
         	s_logger.warn("Only realhostip.com ssl cert is supported, ignoring self-signed and other certs");
-        }        
-        
+        }
+
         _agentMgr.registerForHostEvents(new UploadListener(this), true, false, false);
         String cleanupInterval = configs.get("extract.url.cleanup.interval");
         _cleanupInterval = NumbersUtil.parseInt(cleanupInterval, 7200);
-        
+
         String urlExpirationInterval = configs.get("extract.url.expiration.interval");
         _urlExpirationInterval = NumbersUtil.parseInt(urlExpirationInterval, 14400);
-        
+
         String workers = (String)params.get("expunge.workers");
         int wrks = NumbersUtil.parseInt(workers, 1);
         _executor = Executors.newScheduledThreadPool(wrks, new NamedThreadFactory("UploadMonitor-Scavenger"));
@@ -366,19 +376,19 @@ public class UploadMonitorImpl extends ManagerBase implements UploadMonitor {
 	}
 
 	@Override
-	public boolean start() {	    
+	public boolean start() {
 	    _executor.scheduleWithFixedDelay(new StorageGarbageCollector(), _cleanupInterval, _cleanupInterval, TimeUnit.SECONDS);
 		_timer = new Timer();
 		return true;
 	}
 
 	@Override
-	public boolean stop() {		
+	public boolean stop() {
 		return true;
 	}
-	
+
 	public void handleUploadEvent(HostVO host, Long accountId, String typeName, Type type, Long uploadId, com.cloud.storage.Upload.Status reason, long eventId) {
-		
+
 		if ((reason == Upload.Status.UPLOADED) || (reason==Upload.Status.ABANDONED)){
 			UploadVO uploadObj = new UploadVO(uploadId);
 			UploadListener oldListener = _listenerMap.get(uploadObj);
@@ -388,10 +398,10 @@ public class UploadMonitorImpl extends ManagerBase implements UploadMonitor {
 		}
 
 	}
-	
+
 	@Override
 	public void handleUploadSync(long sserverId) {
-	    
+
 	    HostVO storageHost = _serverDao.findById(sserverId);
         if (storageHost == null) {
             s_logger.warn("Huh? Agent id " + sserverId + " does not correspond to a row in hosts table?");
@@ -408,11 +418,11 @@ public class UploadMonitorImpl extends ManagerBase implements UploadMonitor {
                 uploadJob.setLastUpdated(new Date());
                 _uploadDao.update(uploadJob.getId(), uploadJob);
             }
-            
+
         }
-	        
 
-	}				
+
+	}
 
     protected class StorageGarbageCollector implements Runnable {
 
@@ -440,26 +450,26 @@ public class UploadMonitorImpl extends ManagerBase implements UploadMonitor {
             }
         }
     }
-    
-    
+
+
     private long getTimeDiff(Date date){
         Calendar currentDateCalendar = Calendar.getInstance();
         Calendar givenDateCalendar = Calendar.getInstance();
         givenDateCalendar.setTime(date);
-        
-        return (currentDateCalendar.getTimeInMillis() - givenDateCalendar.getTimeInMillis() )/1000;  
+
+        return (currentDateCalendar.getTimeInMillis() - givenDateCalendar.getTimeInMillis() )/1000;
     }
-    
+
     public void cleanupStorage() {
 
         final int EXTRACT_URL_LIFE_LIMIT_IN_SECONDS = _urlExpirationInterval;
         List<UploadVO> extractJobs= _uploadDao.listByModeAndStatus(Mode.HTTP_DOWNLOAD, Status.DOWNLOAD_URL_CREATED);
-        
+
         for (UploadVO extractJob : extractJobs){
-            if( getTimeDiff(extractJob.getLastUpdated()) > EXTRACT_URL_LIFE_LIMIT_IN_SECONDS ){                           
+            if( getTimeDiff(extractJob.getLastUpdated()) > EXTRACT_URL_LIFE_LIMIT_IN_SECONDS ){
                 String path = extractJob.getInstallPath();
                 HostVO secStorage = ApiDBUtils.findHostById(extractJob.getHostId());
-                
+
                 // Would delete the symlink for the Type and if Type == VOLUME then also the volume
                 DeleteEntityDownloadURLCommand cmd = new DeleteEntityDownloadURLCommand(path, extractJob.getType(),extractJob.getUploadUrl(), secStorage.getParent());
                 HostVO ssvm = _ssvmMgr.pickSsvmHost(secStorage);
@@ -478,7 +488,7 @@ public class UploadMonitorImpl extends ManagerBase implements UploadMonitor {
                 }
             }
         }
-                
+
     }
 
 }

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/e40a06de/server/src/com/cloud/template/TemplateManagerImpl.java
----------------------------------------------------------------------
diff --git a/server/src/com/cloud/template/TemplateManagerImpl.java b/server/src/com/cloud/template/TemplateManagerImpl.java
index 0266995..81cf29c 100755
--- a/server/src/com/cloud/template/TemplateManagerImpl.java
+++ b/server/src/com/cloud/template/TemplateManagerImpl.java
@@ -67,7 +67,6 @@ import org.apache.cloudstack.engine.subsystem.api.storage.SnapshotDataFactory;
 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.TemplateService.TemplateApiResult;
-import org.apache.cloudstack.engine.subsystem.api.storage.VolumeService.VolumeApiResult;
 import org.apache.cloudstack.engine.subsystem.api.storage.VolumeDataFactory;
 import org.apache.cloudstack.engine.subsystem.api.storage.VolumeInfo;
 import org.apache.cloudstack.engine.subsystem.api.storage.ZoneScope;
@@ -78,6 +77,7 @@ import org.apache.cloudstack.storage.datastore.db.PrimaryDataStoreDao;
 import org.apache.cloudstack.storage.datastore.db.StoragePoolVO;
 import org.apache.cloudstack.storage.datastore.db.TemplateDataStoreDao;
 import org.apache.cloudstack.storage.datastore.db.TemplateDataStoreVO;
+import org.apache.cloudstack.storage.image.datastore.ImageStoreEntity;
 import org.apache.log4j.Logger;
 import org.springframework.stereotype.Component;
 
@@ -88,8 +88,6 @@ import com.cloud.agent.api.ComputeChecksumCommand;
 import com.cloud.agent.api.downloadTemplateFromSwiftToSecondaryStorageCommand;
 import com.cloud.agent.api.uploadTemplateToSwiftFromSecondaryStorageCommand;
 import com.cloud.agent.api.storage.DestroyCommand;
-import com.cloud.agent.api.storage.PrimaryStorageDownloadAnswer;
-import com.cloud.agent.api.storage.PrimaryStorageDownloadCommand;
 import com.cloud.agent.api.to.SwiftTO;
 
 import com.cloud.api.ApiDBUtils;
@@ -353,7 +351,7 @@ public class TemplateManagerImpl extends ManagerBase implements TemplateManager,
 
     @Override
     @ActionEvent(eventType = EventTypes.EVENT_ISO_EXTRACT, eventDescription = "extracting ISO", async = true)
-    public Long extract(ExtractIsoCmd cmd) {
+    public Pair<Long, String> extract(ExtractIsoCmd cmd) {
         Account account = UserContext.current().getCaller();
         Long templateId = cmd.getId();
         Long zoneId = cmd.getZoneId();
@@ -362,9 +360,9 @@ public class TemplateManagerImpl extends ManagerBase implements TemplateManager,
         Long eventId = cmd.getStartEventId();
 
         // FIXME: async job needs fixing
-        Long uploadId = extract(account, templateId, url, zoneId, mode, eventId, true, null, _asyncMgr);
-        if (uploadId != null){
-        	return uploadId;
+        Pair<Long, String> uploadPair = extract(account, templateId, url, zoneId, mode, eventId, true, null, _asyncMgr);
+        if (uploadPair != null){
+        	return uploadPair;
         }else {
         	throw new CloudRuntimeException("Failed to extract the iso");
         }
@@ -372,7 +370,7 @@ public class TemplateManagerImpl extends ManagerBase implements TemplateManager,
 
     @Override
     @ActionEvent(eventType = EventTypes.EVENT_TEMPLATE_EXTRACT, eventDescription = "extracting template", async = true)
-    public Long extract(ExtractTemplateCmd cmd) {
+    public Pair<Long, String> extract(ExtractTemplateCmd cmd) {
         Account caller = UserContext.current().getCaller();
         Long templateId = cmd.getId();
         Long zoneId = cmd.getZoneId();
@@ -381,9 +379,9 @@ public class TemplateManagerImpl extends ManagerBase implements TemplateManager,
         Long eventId = cmd.getStartEventId();
 
         // FIXME: async job needs fixing
-        Long uploadId = extract(caller, templateId, url, zoneId, mode, eventId, false, null, _asyncMgr);
-        if (uploadId != null){
-        	return uploadId;
+        Pair<Long, String> uploadPair = extract(caller, templateId, url, zoneId, mode, eventId, false, null, _asyncMgr);
+        if (uploadPair != null){
+        	return uploadPair;
         }else {
         	throw new CloudRuntimeException("Failed to extract the teamplate");
         }
@@ -402,7 +400,7 @@ public class TemplateManagerImpl extends ManagerBase implements TemplateManager,
     	return vmTemplate;
     }
 
-    private Long extract(Account caller, Long templateId, String url, Long zoneId, String mode, Long eventId, boolean isISO, AsyncJobVO job, AsyncJobManager mgr) {
+    private Pair<Long, String> extract(Account caller, Long templateId, String url, Long zoneId, String mode, Long eventId, boolean isISO, AsyncJobVO job, AsyncJobManager mgr) {
         String desc = Upload.Type.TEMPLATE.toString();
         if (isISO) {
             desc = Upload.Type.ISO.toString();
@@ -434,15 +432,8 @@ public class TemplateManagerImpl extends ManagerBase implements TemplateManager,
             }
         }
 
-		if (zoneId == null && _swiftMgr.isSwiftEnabled()) {
-            zoneId = _swiftMgr.chooseZoneForTmpltExtract(templateId);
-        }
-
-        if (zoneId == null && _s3Mgr.isS3Enabled()) {
-            zoneId = _s3Mgr.chooseZoneForTemplateExtract(template);
-        }
 
-        if (_dcDao.findById(zoneId) == null) {
+        if (zoneId != null && _dcDao.findById(zoneId) == null) {
             throw new IllegalArgumentException("Please specify a valid zone.");
         }
 
@@ -452,39 +443,33 @@ public class TemplateManagerImpl extends ManagerBase implements TemplateManager,
 
         _accountMgr.checkAccess(caller, AccessType.ModifyEntry, true, template);
 
-        List<HostVO> sservers = getSecondaryStorageHosts(zoneId);
+        List<DataStore> ssStores = this.dataStoreMgr.getImageStoresByScope(new ZoneScope(zoneId));
 
-        VMTemplateHostVO tmpltHostRef = null;
-        if (sservers != null) {
-            for(HostVO secondaryStorageHost: sservers){
-                tmpltHostRef = _tmpltHostDao.findByHostTemplate(secondaryStorageHost.getId(), templateId);
-                if (tmpltHostRef != null){
-                    if (tmpltHostRef.getDownloadState() != com.cloud.storage.VMTemplateStorageResourceAssoc.Status.DOWNLOADED) {
-                        tmpltHostRef = null;
-                    }
-                    else {
+        TemplateDataStoreVO tmpltStoreRef = null;
+        ImageStoreEntity tmpltStore = null;
+        if (ssStores != null) {
+            for(DataStore store: ssStores){
+                tmpltStoreRef = this._tmplStoreDao.findByStoreTemplate(store.getId(), templateId);
+                if (tmpltStoreRef != null){
+                    if (tmpltStoreRef.getDownloadState() == com.cloud.storage.VMTemplateStorageResourceAssoc.Status.DOWNLOADED) {
+                        tmpltStore = (ImageStoreEntity)store;
                         break;
                     }
                 }
             }
         }
 
-        if (tmpltHostRef == null && _swiftMgr.isSwiftEnabled()) {
-            SwiftTO swift = _swiftMgr.getSwiftTO(templateId);
-            if (swift != null && sservers != null) {
-                downloadTemplateFromSwiftToSecondaryStorage(zoneId, templateId);
-            }
-        } else if (tmpltHostRef == null && _s3Mgr.isS3Enabled()) {
-            if (sservers != null) {
-                _s3Mgr.downloadTemplateFromS3ToSecondaryStorage(zoneId,
-                        templateId, _primaryStorageDownloadWait);
-            }
+        if (tmpltStoreRef == null) {
+            throw new InvalidParameterValueException("The " + desc + " has not been downloaded ");
         }
 
-        if (tmpltHostRef == null) {
-            throw new InvalidParameterValueException("The " + desc + " has not been downloaded ");
+        if ( tmpltStore.getProviderName().equalsIgnoreCase("S3") || tmpltStore.getProviderName().equalsIgnoreCase("Swift")){
+            // for S3 and Swift, no need to do anything, just return template url for extract template, here we use "-1" to indicate these case
+            return new Pair<Long, String>(null, tmpltStoreRef.getInstallPath());
         }
 
+
+        // for NFS image store case, control will come here
         Upload.Mode extractMode;
         if (mode == null || (!mode.equalsIgnoreCase(Upload.Mode.FTP_UPLOAD.toString()) && !mode.equalsIgnoreCase(Upload.Mode.HTTP_DOWNLOAD.toString())) ){
             throw new InvalidParameterValueException("Please specify a valid extract Mode. Supported modes: "+ Upload.Mode.FTP_UPLOAD + ", " + Upload.Mode.HTTP_DOWNLOAD);
@@ -520,12 +505,12 @@ public class TemplateManagerImpl extends ManagerBase implements TemplateManager,
                 throw new IllegalArgumentException(template.getName() + " upload is in progress. Please wait for some time to schedule another upload for the same");
             }
 
-            return _uploadMonitor.extractTemplate(template, url, tmpltHostRef, zoneId, eventId, job.getId(), mgr);
+            return new Pair<Long, String>(_uploadMonitor.extractTemplate(template, url, tmpltStoreRef, zoneId, eventId, job.getId(), mgr), null);
         }
 
-        UploadVO vo = _uploadMonitor.createEntityDownloadURL(template, tmpltHostRef, zoneId, eventId);
+        UploadVO vo = _uploadMonitor.createEntityDownloadURL(template, tmpltStoreRef, zoneId, eventId);
         if (vo != null){
-            return vo.getId();
+            return new Pair<Long, String>(vo.getId(), null);
         }else{
             return null;
         }
@@ -537,7 +522,8 @@ public class TemplateManagerImpl extends ManagerBase implements TemplateManager,
     		if(pool.getDataCenterId() == zoneId) {
     			s_logger.info("Schedule to preload template " + template.getId() + " into primary storage " + pool.getId());
 	    		this._preloadExecutor.execute(new Runnable() {
-	    			public void run() {
+	    			@Override
+                    public void run() {
 	    				try {
 	    					reallyRun();
 	    				} catch(Throwable e) {