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From mc...@apache.org
Subject [4/6] Merge with latest code rebased from master
Date Sun, 12 May 2013 04:06:28 GMT
http://git-wip-us.apache.org/repos/asf/cloudstack/blob/1bd216fc/services/secondary-storage/src/org/apache/cloudstack/storage/resource/NfsSecondaryStorageResource.java
----------------------------------------------------------------------
diff --cc services/secondary-storage/src/org/apache/cloudstack/storage/resource/NfsSecondaryStorageResource.java
index 0000000,52d87a1..1d5e076
mode 000000,100755..100755
--- a/services/secondary-storage/src/org/apache/cloudstack/storage/resource/NfsSecondaryStorageResource.java
+++ b/services/secondary-storage/src/org/apache/cloudstack/storage/resource/NfsSecondaryStorageResource.java
@@@ -1,0 -1,2128 +1,2177 @@@
+ // 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.resource;
+ 
+ import static com.cloud.utils.S3Utils.getDirectory;
+ import static com.cloud.utils.StringUtils.join;
+ import static com.cloud.utils.db.GlobalLock.executeWithNoWaitLock;
+ import static java.lang.String.format;
+ import static java.util.Arrays.asList;
+ import static org.apache.commons.lang.StringUtils.substringAfterLast;
+ 
+ import java.io.BufferedWriter;
+ import java.io.File;
+ import java.io.FileInputStream;
+ import java.io.FileWriter;
+ import java.io.IOException;
+ import java.io.InputStream;
+ import java.math.BigInteger;
+ import java.net.InetAddress;
+ import java.net.URI;
+ import java.security.MessageDigest;
+ import java.security.NoSuchAlgorithmException;
+ import java.util.ArrayList;
+ import java.util.HashMap;
+ import java.util.List;
+ import java.util.Map;
+ import java.util.UUID;
+ import java.util.concurrent.Callable;
+ 
+ import javax.naming.ConfigurationException;
+ 
+ import org.apache.cloudstack.storage.command.CopyCmdAnswer;
+ import org.apache.cloudstack.storage.command.CopyCommand;
+ import org.apache.cloudstack.storage.command.DownloadCommand;
+ import org.apache.cloudstack.storage.command.DownloadProgressCommand;
+ import org.apache.cloudstack.storage.template.DownloadManager;
+ import org.apache.cloudstack.storage.template.DownloadManagerImpl;
+ import org.apache.cloudstack.storage.template.DownloadManagerImpl.ZfsPathParser;
+ import org.apache.cloudstack.storage.template.UploadManager;
+ import org.apache.cloudstack.storage.template.UploadManagerImpl;
+ import org.apache.cloudstack.storage.to.SnapshotObjectTO;
+ import org.apache.cloudstack.storage.to.TemplateObjectTO;
++import org.apache.cloudstack.storage.to.VolumeObjectTO;
+ import org.apache.commons.lang.StringUtils;
+ import org.apache.log4j.Logger;
+ 
+ import com.amazonaws.services.s3.model.S3ObjectSummary;
+ import com.cloud.agent.api.Answer;
+ import com.cloud.agent.api.CheckHealthAnswer;
+ import com.cloud.agent.api.CheckHealthCommand;
+ import com.cloud.agent.api.CleanupSnapshotBackupCommand;
+ import com.cloud.agent.api.Command;
+ import com.cloud.agent.api.ComputeChecksumCommand;
+ import com.cloud.agent.api.DeleteSnapshotBackupCommand;
+ import com.cloud.agent.api.DeleteSnapshotsDirCommand;
+ import com.cloud.agent.api.DownloadSnapshotFromS3Command;
+ import com.cloud.agent.api.DownloadSnapshotFromSwiftCommand;
+ import com.cloud.agent.api.DownloadTemplateFromSwiftToSecondaryStorageCommand;
+ import com.cloud.agent.api.GetStorageStatsAnswer;
+ import com.cloud.agent.api.GetStorageStatsCommand;
+ import com.cloud.agent.api.PingCommand;
+ import com.cloud.agent.api.PingStorageCommand;
+ import com.cloud.agent.api.ReadyAnswer;
+ import com.cloud.agent.api.ReadyCommand;
+ import com.cloud.agent.api.SecStorageFirewallCfgCommand;
+ import com.cloud.agent.api.SecStorageFirewallCfgCommand.PortConfig;
+ import com.cloud.agent.api.SecStorageSetupAnswer;
+ import com.cloud.agent.api.SecStorageSetupCommand;
+ import com.cloud.agent.api.SecStorageSetupCommand.Certificates;
+ import com.cloud.agent.api.SecStorageVMSetupCommand;
+ import com.cloud.agent.api.StartupCommand;
+ import com.cloud.agent.api.StartupSecondaryStorageCommand;
+ import com.cloud.agent.api.UploadTemplateToS3FromSecondaryStorageCommand;
+ import com.cloud.agent.api.UploadTemplateToSwiftFromSecondaryStorageCommand;
+ import com.cloud.agent.api.storage.CreateEntityDownloadURLCommand;
+ import com.cloud.agent.api.storage.DeleteEntityDownloadURLCommand;
+ import com.cloud.agent.api.storage.DeleteTemplateCommand;
+ import com.cloud.agent.api.storage.DeleteVolumeCommand;
+ import com.cloud.agent.api.storage.ListTemplateAnswer;
+ import com.cloud.agent.api.storage.ListTemplateCommand;
+ import com.cloud.agent.api.storage.ListVolumeAnswer;
+ import com.cloud.agent.api.storage.ListVolumeCommand;
+ import com.cloud.agent.api.storage.UploadCommand;
+ import com.cloud.agent.api.storage.ssCommand;
+ import com.cloud.agent.api.to.DataObjectType;
+ import com.cloud.agent.api.to.DataStoreTO;
+ import com.cloud.agent.api.to.DataTO;
+ import com.cloud.agent.api.to.NfsTO;
+ import com.cloud.agent.api.to.S3TO;
+ import com.cloud.agent.api.to.SwiftTO;
+ import com.cloud.exception.InternalErrorException;
+ import com.cloud.host.Host;
+ import com.cloud.host.Host.Type;
+ import com.cloud.hypervisor.Hypervisor.HypervisorType;
+ import com.cloud.resource.ServerResourceBase;
+ import com.cloud.storage.DataStoreRole;
+ import com.cloud.storage.Storage.ImageFormat;
+ import com.cloud.storage.StorageLayer;
+ import com.cloud.storage.template.Processor;
+ import com.cloud.storage.template.Processor.FormatInfo;
+ import com.cloud.storage.template.TemplateLocation;
+ import com.cloud.storage.template.TemplateProp;
+ import com.cloud.storage.template.VhdProcessor;
+ import com.cloud.utils.NumbersUtil;
+ import com.cloud.utils.S3Utils;
+ import com.cloud.utils.S3Utils.FileNamingStrategy;
+ import com.cloud.utils.exception.CloudRuntimeException;
+ import com.cloud.utils.net.NetUtils;
+ import com.cloud.utils.script.OutputInterpreter;
+ import com.cloud.utils.script.Script;
+ import com.cloud.vm.SecondaryStorageVm;
+ 
+ public class NfsSecondaryStorageResource extends ServerResourceBase implements SecondaryStorageResource {
+ 
+     private static final Logger s_logger = Logger.getLogger(NfsSecondaryStorageResource.class);
+ 
+     private static final String TEMPLATE_ROOT_DIR = "template/tmpl";
+     private static final String SNAPSHOT_ROOT_DIR = "snapshots";
+     private static final String VOLUME_ROOT_DIR = "volumes";
+ 
+     int _timeout;
+ 
+     String _instance;
+     String _dc;
+     String _pod;
+     String _guid;
+     String _role;
+     Map<String, Object> _params;
+     protected StorageLayer _storage;
+     protected boolean _inSystemVM = false;
+     boolean _sslCopy = false;
+ 
+     protected DownloadManager _dlMgr;
+     protected UploadManager _upldMgr;
+     private String _configSslScr;
+     private String _configAuthScr;
+     private String _configIpFirewallScr;
+     private String _publicIp;
+     private String _hostname;
+     private String _localgw;
+     private String _eth1mask;
+     private String _eth1ip;
+     private String _storageIp;
+     private String _storageNetmask;
+     private String _storageGateway;
+     private final List<String> nfsIps = new ArrayList<String>();
+     private String _parent = "/mnt/SecStorage";
+     final private String _tmpltDir = "/var/cloudstack/template";
+     final private String _tmpltpp = "template.properties";
+     private String createTemplateFromSnapshotXenScript;
+ 
+     @Override
+     public void disconnected() {
+     }
+ 
+     @Override
+     public Answer executeRequest(Command cmd) {
+         if (cmd instanceof DownloadProgressCommand) {
+             return _dlMgr.handleDownloadCommand(this, (DownloadProgressCommand) cmd);
+         } else if (cmd instanceof DownloadCommand) {
+             return execute((DownloadCommand) cmd);
+         } else if (cmd instanceof UploadCommand) {
+             return _upldMgr.handleUploadCommand(this, (UploadCommand) cmd);
+         } else if (cmd instanceof CreateEntityDownloadURLCommand) {
+             return _upldMgr.handleCreateEntityURLCommand((CreateEntityDownloadURLCommand) cmd);
+         } else if (cmd instanceof DeleteEntityDownloadURLCommand) {
+             return _upldMgr.handleDeleteEntityDownloadURLCommand((DeleteEntityDownloadURLCommand) cmd);
+         } else if (cmd instanceof GetStorageStatsCommand) {
+             return execute((GetStorageStatsCommand) cmd);
+         } else if (cmd instanceof CheckHealthCommand) {
+             return new CheckHealthAnswer((CheckHealthCommand) cmd, true);
+         } else if (cmd instanceof DeleteTemplateCommand) {
+             return execute((DeleteTemplateCommand) cmd);
+         } else if (cmd instanceof DeleteVolumeCommand) {
+             return execute((DeleteVolumeCommand) cmd);
+         } else if (cmd instanceof ReadyCommand) {
+             return new ReadyAnswer((ReadyCommand) cmd);
+         } else if (cmd instanceof SecStorageFirewallCfgCommand) {
+             return execute((SecStorageFirewallCfgCommand) cmd);
+         } else if (cmd instanceof SecStorageVMSetupCommand) {
+             return execute((SecStorageVMSetupCommand) cmd);
+         } else if (cmd instanceof SecStorageSetupCommand) {
+             return execute((SecStorageSetupCommand) cmd);
+         } else if (cmd instanceof ComputeChecksumCommand) {
+             return execute((ComputeChecksumCommand) cmd);
+         } else if (cmd instanceof ListTemplateCommand) {
+             return execute((ListTemplateCommand) cmd);
+         } else if (cmd instanceof ListVolumeCommand) {
+             return execute((ListVolumeCommand) cmd);
+         } else if (cmd instanceof DownloadSnapshotFromSwiftCommand) {
+             return execute((DownloadSnapshotFromSwiftCommand)cmd);
+         } else if (cmd instanceof DownloadSnapshotFromS3Command) {
+             return execute((DownloadSnapshotFromS3Command) cmd);
+         } else if (cmd instanceof DeleteSnapshotBackupCommand) {
+             return execute((DeleteSnapshotBackupCommand) cmd);
+         } else if (cmd instanceof DeleteSnapshotsDirCommand) {
+             return execute((DeleteSnapshotsDirCommand) cmd);
+         } else if (cmd instanceof DownloadTemplateFromSwiftToSecondaryStorageCommand) {
+             return execute((DownloadTemplateFromSwiftToSecondaryStorageCommand) cmd);
+         } else if (cmd instanceof UploadTemplateToSwiftFromSecondaryStorageCommand) {
+             return execute((UploadTemplateToSwiftFromSecondaryStorageCommand) cmd);
+         } else if (cmd instanceof UploadTemplateToS3FromSecondaryStorageCommand) {
+             return execute((UploadTemplateToS3FromSecondaryStorageCommand) cmd);
+         } else if (cmd instanceof CleanupSnapshotBackupCommand) {
+             return execute((CleanupSnapshotBackupCommand) cmd);
+         } else if (cmd instanceof CopyCommand) {
+             return execute((CopyCommand) cmd);
+         } else {
+             return Answer.createUnsupportedCommandAnswer(cmd);
+         }
+     }
+ 
+     protected Answer copyFromS3ToNfs(CopyCommand cmd, DataTO srcData, S3TO s3, DataTO destData, NfsTO destImageStore) {
+         final String storagePath = destImageStore.getUrl();
+         final String destPath = destData.getPath();
+ 
+         try {
+ 
 -            final File downloadDirectory = _storage.getFile(determineStorageTemplatePath(storagePath, destPath));
++            String downloadPath = determineStorageTemplatePath(storagePath, destPath);
++            final File downloadDirectory = _storage.getFile(downloadPath);
+             downloadDirectory.mkdirs();
+ 
+             if (!downloadDirectory.exists()) {
+                 final String errMsg = format("Unable to create directory " + "download directory %1$s for download from S3.",
+                         downloadDirectory.getName());
+                 s_logger.error(errMsg);
+                 return new CopyCmdAnswer(errMsg);
+             }
+ 
+             List<File> files = getDirectory(s3, s3.getBucketName(), destPath, downloadDirectory, new FileNamingStrategy() {
+                 @Override
+                 public String determineFileName(final String key) {
+                     return substringAfterLast(key, S3Utils.SEPARATOR);
+                 }
+             });
+ 
+             // find out template name
+             File destFile = null;
+             for (File f : files) {
+                 if (!f.getName().endsWith(".properties")) {
+                     destFile = f;
+                     break;
+                 }
+             }
+ 
+             if (destFile == null) {
+                 return new CopyCmdAnswer("Can't find template");
+             }
+ 
++            // do post processing to unzip the file if it is compressed
++            String scriptsDir = "scripts/storage/secondary";
++            String createTmpltScr = Script.findScript(scriptsDir, "createtmplt.sh");
++            if (createTmpltScr == null) {
++                throw new ConfigurationException("Unable to find createtmplt.sh");
++            }
++            s_logger.info("createtmplt.sh found in " + createTmpltScr);
++            String createVolScr = Script.findScript(scriptsDir, "createvolume.sh");
++            if (createVolScr == null) {
++                throw new ConfigurationException("Unable to find createvolume.sh");
++            }
++            s_logger.info("createvolume.sh found in " + createVolScr);
++            String script = srcData.getObjectType() == DataObjectType.TEMPLATE ? createTmpltScr : createVolScr;
++
++            int installTimeoutPerGig = 180 * 60 * 1000;
++            int imgSizeGigs = (int) Math.ceil(destFile.length() * 1.0d / (1024 * 1024 * 1024));
++            imgSizeGigs++; // add one just in case
++            long timeout = imgSizeGigs * installTimeoutPerGig;
++
++            String origPath = destFile.getAbsolutePath();
++            String extension = null;
++            if ( srcData.getObjectType() == DataObjectType.TEMPLATE){
++                extension = ((TemplateObjectTO)srcData).getFormat().getFileExtension();
++            } else{
++                extension = ((VolumeObjectTO)srcData).getDiskType().toString().toLowerCase();
++            }
++
++            String templateName = UUID.randomUUID().toString();
++            String templateFilename = templateName + "." + extension;
++            Script scr = new Script(script, timeout, s_logger);
++            scr.add("-s", Integer.toString(imgSizeGigs)); // not used for now
++            scr.add("-n", templateFilename);
++
++            scr.add("-t", downloadPath);
++            scr.add("-f", origPath); // this is the temporary
++                                                      // template file downloaded
++            String result;
++            result = scr.execute();
++
++            if (result != null) {
++                // script execution failure
++                throw new CloudRuntimeException("Failed to run script " + script);
++            }
++
++            String finalFileName = templateFilename;
++            String finalDownloadPath = destPath + File.separator + templateFilename;
++
+             DataTO newDestTO = null;
+ 
+             if (destData.getObjectType() == DataObjectType.TEMPLATE) {
+                 TemplateObjectTO newTemplTO = new TemplateObjectTO();
 -                newTemplTO.setPath(destPath + File.separator + destFile.getName());
 -                newTemplTO.setName(destFile.getName());
++                newTemplTO.setPath(finalDownloadPath);
++                newTemplTO.setName(finalFileName);
+                 newDestTO = newTemplTO;
+             } else {
+                 return new CopyCmdAnswer("not implemented yet");
+             }
+ 
+             return new CopyCmdAnswer(newDestTO);
+         } catch (Exception e) {
+ 
+             final String errMsg = format("Failed to download" + "due to $2%s", e.getMessage());
+             s_logger.error(errMsg, e);
+             return new CopyCmdAnswer(errMsg);
+         }
+     }
+ 
+ 
+     protected Answer copySnapshotToTemplateFromNfsToNfsXenserver(CopyCommand cmd, SnapshotObjectTO srcData, NfsTO srcDataStore, TemplateObjectTO destData, NfsTO destDataStore) {
+         String srcMountPoint = this.getRootDir(srcDataStore.getUrl());
+         String snapshotPath = srcData.getPath();
+         int index = snapshotPath.lastIndexOf("/");
+         String snapshotName = snapshotPath.substring(index + 1);
+         if (!snapshotName.startsWith("VHD-") && !snapshotName.endsWith(".vhd")) {
+             snapshotName = snapshotName + ".vhd";
+         }
+         snapshotPath = snapshotPath.substring(0, index);
+         snapshotPath = srcMountPoint + File.separator + snapshotPath;
+         String destMountPoint = this.getRootDir(destDataStore.getUrl());
+         String destPath = destMountPoint + File.separator + destData.getPath();
+ 
+         String errMsg = null;
+         try {
+             this._storage.mkdir(destPath);
+ 
+             String templateUuid = UUID.randomUUID().toString();
+             String templateName = templateUuid + ".vhd";
+             Script command = new Script(this.createTemplateFromSnapshotXenScript, cmd.getWait(), s_logger);
+             command.add("-p", snapshotPath);
+             command.add("-s", snapshotName);
+             command.add("-n", templateName);
+             command.add("-t", destPath);
+             command.execute();
+ 
+             Map<String, Object> params = new HashMap<String, Object>();
+             params.put(StorageLayer.InstanceConfigKey, _storage);
+             Processor processor = new VhdProcessor();
+ 
+             processor.configure("Vhd Processor", params);
+             FormatInfo info = processor.process(destPath, null,
+                     templateUuid);
+ 
+             TemplateLocation loc = new TemplateLocation(_storage, destPath);
+             loc.create(1, true, templateName);
+             loc.addFormat(info);
+             loc.save();
+ 
+             TemplateObjectTO newTemplate = new TemplateObjectTO();
+             newTemplate.setPath(destData.getPath() + File.separator + templateName);
+             newTemplate.setFormat(ImageFormat.VHD);
+             return new CopyCmdAnswer(newTemplate);
+         } catch (ConfigurationException e) {
+             s_logger.debug("Failed to create template from snapshot: " + e.toString());
+             errMsg = e.toString();
+         } catch (InternalErrorException e) {
+             s_logger.debug("Failed to create template from snapshot: " + e.toString());
+             errMsg = e.toString();
+         } catch (IOException e) {
+             s_logger.debug("Failed to create template from snapshot: " + e.toString());
+             errMsg = e.toString();
+         }
+ 
+         return new CopyCmdAnswer(errMsg);
+     }
+ 
+     protected Answer copySnapshotToTemplateFromNfsToNfs(CopyCommand cmd, SnapshotObjectTO srcData, NfsTO srcDataStore, TemplateObjectTO destData, NfsTO destDataStore) {
+ 
+         if (srcData.getHypervisorType() == HypervisorType.XenServer) {
+             return copySnapshotToTemplateFromNfsToNfsXenserver(cmd, srcData, srcDataStore, destData, destDataStore);
+         }
+ 
+         return new CopyCmdAnswer("");
+     }
+ 
+     protected Answer createTemplateFromSnapshot(CopyCommand cmd) {
+         DataTO srcData = cmd.getSrcTO();
+         DataTO destData = cmd.getDestTO();
+         DataStoreTO srcDataStore = srcData.getDataStore();
+         DataStoreTO destDataStore = destData.getDataStore();
+         if (srcDataStore.getRole() == DataStoreRole.Image || srcDataStore.getRole() == DataStoreRole.ImageCache) {
+             if (!(srcDataStore instanceof NfsTO)) {
+                 s_logger.debug("only support nfs storage as src, when create template from snapshot");
+                 return Answer.createUnsupportedCommandAnswer(cmd);
+             }
+ 
+             if (destDataStore instanceof NfsTO){
+                 return copySnapshotToTemplateFromNfsToNfs(cmd, (SnapshotObjectTO)srcData, (NfsTO)srcDataStore, (TemplateObjectTO)destData, (NfsTO)destDataStore);
+             }
+ 
+         }
+         return new CopyCmdAnswer("");
+     }
+ 
+     protected Answer execute(CopyCommand cmd) {
+         DataTO srcData = cmd.getSrcTO();
+         DataTO destData = cmd.getDestTO();
+         DataStoreTO srcDataStore = srcData.getDataStore();
+         DataStoreTO destDataStore = destData.getDataStore();
+ 
+         if (srcData.getObjectType() == DataObjectType.SNAPSHOT && destData.getObjectType() == DataObjectType.TEMPLATE) {
+             return createTemplateFromSnapshot(cmd);
+         }
+ 
+         if (srcDataStore instanceof S3TO && destDataStore instanceof NfsTO && destDataStore.getRole() == DataStoreRole.ImageCache){
+             S3TO s3 = (S3TO)srcDataStore;
+             NfsTO destImageStore = (NfsTO)destDataStore;
+             return this.copyFromS3ToNfs(cmd, srcData, s3, destData, destImageStore);
+         }
+ 
+ 
+         return Answer.createUnsupportedCommandAnswer(cmd);
+     }
+ 
+     @SuppressWarnings("unchecked")
+     protected String determineS3TemplateDirectory(final Long accountId, final Long templateId, final String templateUniqueName) {
+         return join(asList(TEMPLATE_ROOT_DIR, accountId, templateId, templateUniqueName), S3Utils.SEPARATOR);
+     }
+ 
+     @SuppressWarnings("unchecked")
+     private String determineS3TemplateNameFromKey(String key) {
+         return StringUtils.substringAfterLast(StringUtils.substringBeforeLast(key, S3Utils.SEPARATOR), S3Utils.SEPARATOR);
+     }
+ 
+     @SuppressWarnings("unchecked")
+     protected String determineS3VolumeDirectory(final Long accountId, final Long volId) {
+         return join(asList(VOLUME_ROOT_DIR, accountId, volId), S3Utils.SEPARATOR);
+     }
+ 
+     @SuppressWarnings("unchecked")
+     protected Long determineS3VolumeIdFromKey(String key) {
+         return Long.parseLong(StringUtils.substringAfterLast(StringUtils.substringBeforeLast(key, S3Utils.SEPARATOR), S3Utils.SEPARATOR));
+     }
+ 
+     @SuppressWarnings("unchecked")
+     private String determineStorageTemplatePath(final String storagePath, String dataPath) {
+         return join(asList(getRootDir(storagePath), dataPath), File.separator);
+     }
+ 
+     private Answer execute(DownloadTemplateFromSwiftToSecondaryStorageCommand cmd) {
+         SwiftTO swift = cmd.getSwift();
+         String secondaryStorageUrl = cmd.getSecondaryStorageUrl();
+         Long accountId = cmd.getAccountId();
+         Long templateId = cmd.getTemplateId();
+         String path = cmd.getPath();
+         String errMsg;
+         String lDir = null;
+         try {
+             String parent = getRootDir(secondaryStorageUrl);
+             lDir = parent + "/template/tmpl/" + accountId.toString() + "/" + templateId.toString();
+             String result = createLocalDir(lDir);
+             if (result != null) {
+                 errMsg = "downloadTemplateFromSwiftToSecondaryStorageCommand failed due to Create local directory failed";
+                 s_logger.warn(errMsg);
+                 throw new InternalErrorException(errMsg);
+             }
+             String lPath = lDir + "/" + path;
+             result = swiftDownload(swift, "T-" + templateId.toString(), path, lPath);
+             if (result != null) {
+                 errMsg = "failed to download template " + path + " from Swift to secondary storage " + lPath + " , err=" + result;
+                 s_logger.warn(errMsg);
+                 throw new CloudRuntimeException(errMsg);
+             }
+             path = "template.properties";
+             lPath = lDir + "/" + path;
+             result = swiftDownload(swift, "T-" + templateId.toString(), path, lPath);
+             if (result != null) {
+                 errMsg = "failed to download template " + path + " from Swift to secondary storage " + lPath + " , err=" + result;
+                 s_logger.warn(errMsg);
+                 throw new CloudRuntimeException(errMsg);
+             }
+             return new Answer(cmd, true, "success");
+         } catch (Exception e) {
+             if (lDir != null) {
+                 deleteLocalDir(lDir);
+             }
+             errMsg = cmd + " Command failed due to " + e.toString();
+             s_logger.warn(errMsg, e);
+             return new Answer(cmd, false, errMsg);
+         }
+     }
+ 
+     private Answer execute(DownloadCommand cmd) {
+         DataStoreTO dstore = cmd.getDataStore();
+         if (dstore instanceof NfsTO || dstore instanceof S3TO ) {
+             return _dlMgr.handleDownloadCommand(this, cmd);
+         }
+         /*
+         else if (dstore instanceof S3TO) {
+             // TODO: start download job to handle this
+             // TODO: how to handle download progress for S3
+             S3TO s3 = (S3TO) cmd.getDataStore();
+             String url = cmd.getUrl();
+             String user = null;
+             String password = null;
+             if (cmd.getAuth() != null) {
+                 user = cmd.getAuth().getUserName();
+                 password = new String(cmd.getAuth().getPassword());
+             }
+             // get input stream from the given url
+             InputStream in = UriUtils.getInputStreamFromUrl(url, user, password);
+             URI uri;
+             URL urlObj;
+             try {
+                 uri = new URI(url);
+                 urlObj = new URL(url);
+             } catch (URISyntaxException e) {
+                 throw new CloudRuntimeException("URI is incorrect: " + url);
+             } catch (MalformedURLException e) {
+                 throw new CloudRuntimeException("URL is incorrect: " + url);
+             }
+ 
+             final String bucket = s3.getBucketName();
+             String path = null;
+             if (cmd.getResourceType() == ResourceType.TEMPLATE) {
+                 // convention is no / in the end for install path based on
+                 // S3Utils implementation.
+                 // template key is
+                 // TEMPLATE_ROOT_DIR/account_id/template_id/template_name, by
+                 // adding template_name in the key, I can avoid generating a
+                 // template.properties file
+                 // for listTemplateCommand.
+                 path = determineS3TemplateDirectory(cmd.getAccountId(), cmd.getResourceId(), cmd.getName());
+             } else {
+                 path = determineS3VolumeDirectory(cmd.getAccountId(), cmd.getResourceId());
+             }
+ 
+             String key = join(asList(path, urlObj.getFile()), S3Utils.SEPARATOR);
+             S3Utils.putObject(s3, in, bucket, key);
+             List<S3ObjectSummary> s3Obj = S3Utils.getDirectory(s3, bucket, path);
+             if (s3Obj == null || s3Obj.size() == 0) {
+                 return new Answer(cmd, false, "Failed to download to S3 bucket: " + bucket + " with key: " + key);
+             } else {
+                 return new DownloadAnswer(null, 100, null, Status.DOWNLOADED, path, path, s3Obj.get(0).getSize(), s3Obj.get(0).getSize(), s3Obj
+                         .get(0).getETag());
+             }
+         } */
+         else if (dstore instanceof SwiftTO) {
+             // TODO: need to move code from
+             // execute(uploadTemplateToSwiftFromSecondaryStorageCommand) here,
+             // but we need to handle
+             // source is url, most likely we need to modify our existing
+             // swiftUpload python script.
+             return new Answer(cmd, false, "Swift is not currently support DownloadCommand");
+         } else {
+             return new Answer(cmd, false, "Unsupported image data store: " + dstore);
+         }
+ 
+     }
+ 
+     private Answer execute(UploadTemplateToSwiftFromSecondaryStorageCommand cmd) {
+         SwiftTO swift = cmd.getSwift();
+         String secondaryStorageUrl = cmd.getSecondaryStorageUrl();
+         Long accountId = cmd.getAccountId();
+         Long templateId = cmd.getTemplateId();
+         try {
+             String parent = getRootDir(secondaryStorageUrl);
+             String lPath = parent + "/template/tmpl/" + accountId.toString() + "/" + templateId.toString();
+             if (!_storage.isFile(lPath + "/template.properties")) {
+                 String errMsg = cmd + " Command failed due to template doesn't exist ";
+                 s_logger.debug(errMsg);
+                 return new Answer(cmd, false, errMsg);
+             }
+             String result = swiftUpload(swift, "T-" + templateId.toString(), lPath, "*");
+             if (result != null) {
+                 String errMsg = "failed to upload template from secondary storage " + lPath + " to swift  , err=" + result;
+                 s_logger.debug(errMsg);
+                 return new Answer(cmd, false, errMsg);
+             }
+             return new Answer(cmd, true, "success");
+         } catch (Exception e) {
+             String errMsg = cmd + " Command failed due to " + e.toString();
+             s_logger.warn(errMsg, e);
+             return new Answer(cmd, false, errMsg);
+         }
+     }
+ 
+     private Answer execute(UploadTemplateToS3FromSecondaryStorageCommand cmd) {
+         /*
+                 final S3TO s3 = cmd.getS3();
+                 final Long accountId = cmd.getAccountId();
+                 final Long templateId = cmd.getTemplateId();
+ 
+                 try {
+         final S3TO s3 = cmd.getS3();
+         final Long accountId = cmd.getAccountId();
+         final Long templateId = cmd.getTemplateId();
+ 
+         try {
+ 
+             final String templatePath = determineStorageTemplatePath(
+                     cmd.getStoragePath(), accountId, templateId);
+ 
+             if (s_logger.isDebugEnabled()) {
+                 s_logger.debug("Found template id " + templateId
+                         + " account id " + accountId + " from directory "
+                         + templatePath + " to upload to S3.");
+             }
+ 
+             if (!_storage.isDirectory(templatePath)) {
+                 final String errMsg = format("S3 Sync Failure: Directory %1$s"
+                         + "for template id %2$s does not exist.", templatePath,
+                         templateId);
+                 s_logger.error(errMsg);
+                 return new Answer(cmd, false, errMsg);
+             }
+ 
+             if (!_storage.isFile(templatePath + "/template.properties")) {
+                 final String errMsg = format("S3 Sync Failure: Template id "
+                         + "%1$s does not exist on the file system.",
+                         templatePath);
+                 s_logger.error(errMsg);
+                 return new Answer(cmd, false, errMsg);
+             }
+ 
+             if (s_logger.isDebugEnabled()) {
+                 s_logger.debug(format(
+                         "Pushing template id %1$s from %2$s to S3...",
+                         templateId, templatePath));
+             }
+ 
+             final String bucket = s3.getBucketName();
+             putDirectory(s3, bucket, _storage.getFile(templatePath),
+                     new FilenameFilter() {
+                 @Override
+                 public boolean accept(final File directory,
+                         final String fileName) {
+                     File fileToUpload = new File(directory.getAbsolutePath() + "/" + fileName);
+                     return !fileName.startsWith(".") && !fileToUpload.isDirectory();
+                 }
+             }, new ObjectNamingStrategy() {
+                 @Override
+                 public String determineKey(final File file) {
+                     s_logger.debug(String
+                             .format("Determining key using account id %1$s and template id %2$s",
+                                     accountId, templateId));
+                     return join(
+                             asList(determineS3TemplateDirectory(
+                                     accountId, templateId), file
+                                     .getName()), S3Utils.SEPARATOR);
+                 }
+             });
+ 
+             return new Answer(
+                     cmd,
+                     true,
+                     format("Uploaded the contents of directory %1$s for template id %2$s to S3 bucket %3$s",
+                             templatePath, templateId, bucket));
+ 
+         } catch (Exception e) {
+ 
+             final String errMsg = format("Failed to upload template id %1$s",
+                     templateId);
+             s_logger.error(errMsg, e);
+             return new Answer(cmd, false, errMsg);
+         */
+         return new Answer(cmd, false, "not supported ");
+     }
+ 
+     String swiftDownload(SwiftTO swift, String container, String rfilename, String lFullPath) {
+         Script command = new Script("/bin/bash", s_logger);
+         command.add("-c");
+         command.add("/usr/bin/python /usr/local/cloud/systemvm/scripts/storage/secondary/swift -A " + swift.getUrl() + " -U " + swift.getAccount()
+                 + ":" + swift.getUserName() + " -K " + swift.getKey() + " download " + container + " " + rfilename + " -o " + lFullPath);
+         OutputInterpreter.AllLinesParser parser = new OutputInterpreter.AllLinesParser();
+         String result = command.execute(parser);
+         if (result != null) {
+             String errMsg = "swiftDownload failed  err=" + result;
+             s_logger.warn(errMsg);
+             return errMsg;
+         }
+         if (parser.getLines() != null) {
+             String[] lines = parser.getLines().split("\\n");
+             for (String line : lines) {
+                 if (line.contains("Errno") || line.contains("failed")) {
+                     String errMsg = "swiftDownload failed , err=" + lines.toString();
+                     s_logger.warn(errMsg);
+                     return errMsg;
+                 }
+             }
+         }
+         return null;
+ 
+     }
+ 
+     String swiftDownloadContainer(SwiftTO swift, String container, String ldir) {
+         Script command = new Script("/bin/bash", s_logger);
+         command.add("-c");
+         command.add("cd " + ldir + ";/usr/bin/python /usr/local/cloud/systemvm/scripts/storage/secondary/swift -A " + swift.getUrl() + " -U "
+                 + swift.getAccount() + ":" + swift.getUserName() + " -K " + swift.getKey() + " download " + container);
+         OutputInterpreter.AllLinesParser parser = new OutputInterpreter.AllLinesParser();
+         String result = command.execute(parser);
+         if (result != null) {
+             String errMsg = "swiftDownloadContainer failed  err=" + result;
+             s_logger.warn(errMsg);
+             return errMsg;
+         }
+         if (parser.getLines() != null) {
+             String[] lines = parser.getLines().split("\\n");
+             for (String line : lines) {
+                 if (line.contains("Errno") || line.contains("failed")) {
+                     String errMsg = "swiftDownloadContainer failed , err=" + lines.toString();
+                     s_logger.warn(errMsg);
+                     return errMsg;
+                 }
+             }
+         }
+         return null;
+ 
+     }
+ 
+     String swiftUpload(SwiftTO swift, String container, String lDir, String lFilename) {
+         long SWIFT_MAX_SIZE = 5L * 1024L * 1024L * 1024L;
+         List<String> files = new ArrayList<String>();
+         if (lFilename.equals("*")) {
+             File dir = new File(lDir);
+             for (String file : dir.list()) {
+                 if (file.startsWith(".")) {
+                     continue;
+                 }
+                 files.add(file);
+             }
+         } else {
+             files.add(lFilename);
+         }
+ 
+         for (String file : files) {
+             File f = new File(lDir + "/" + file);
+             long size = f.length();
+             Script command = new Script("/bin/bash", s_logger);
+             command.add("-c");
+             if (size <= SWIFT_MAX_SIZE) {
+                 command.add("cd " + lDir + ";/usr/bin/python /usr/local/cloud/systemvm/scripts/storage/secondary/swift -A " + swift.getUrl() + " -U "
+                         + swift.getAccount() + ":" + swift.getUserName() + " -K " + swift.getKey() + " upload " + container + " " + file);
+             } else {
+                 command.add("cd " + lDir + ";/usr/bin/python /usr/local/cloud/systemvm/scripts/storage/secondary/swift -A " + swift.getUrl() + " -U "
+                         + swift.getAccount() + ":" + swift.getUserName() + " -K " + swift.getKey() + " upload -S " + SWIFT_MAX_SIZE + " " + container
+                         + " " + file);
+             }
+             OutputInterpreter.AllLinesParser parser = new OutputInterpreter.AllLinesParser();
+             String result = command.execute(parser);
+             if (result != null) {
+                 String errMsg = "swiftUpload failed , err=" + result;
+                 s_logger.warn(errMsg);
+                 return errMsg;
+             }
+             if (parser.getLines() != null) {
+                 String[] lines = parser.getLines().split("\\n");
+                 for (String line : lines) {
+                     if (line.contains("Errno") || line.contains("failed")) {
+                         String errMsg = "swiftUpload failed , err=" + lines.toString();
+                         s_logger.warn(errMsg);
+                         return errMsg;
+                     }
+                 }
+             }
+         }
+ 
+         return null;
+     }
+ 
+     String[] swiftList(SwiftTO swift, String container, String rFilename) {
+         Script command = new Script("/bin/bash", s_logger);
+         command.add("-c");
+         command.add("/usr/bin/python /usr/local/cloud/systemvm/scripts/storage/secondary/swift -A " + swift.getUrl() + " -U " + swift.getAccount()
+                 + ":" + swift.getUserName() + " -K " + swift.getKey() + " list " + container + " " + rFilename);
+         OutputInterpreter.AllLinesParser parser = new OutputInterpreter.AllLinesParser();
+         String result = command.execute(parser);
+         if (result == null && parser.getLines() != null) {
+             String[] lines = parser.getLines().split("\\n");
+             return lines;
+         } else {
+             if (result != null) {
+                 String errMsg = "swiftList failed , err=" + result;
+                 s_logger.warn(errMsg);
+             } else {
+                 String errMsg = "swiftList failed, no lines returns";
+                 s_logger.warn(errMsg);
+             }
+         }
+         return null;
+     }
+ 
+     String swiftDelete(SwiftTO swift, String container, String object) {
+         Script command = new Script("/bin/bash", s_logger);
+         command.add("-c");
+         command.add("/usr/bin/python /usr/local/cloud/systemvm/scripts/storage/secondary/swift -A " + swift.getUrl() + " -U " + swift.getAccount()
+                 + ":" + swift.getUserName() + " -K " + swift.getKey() + " delete " + container + " " + object);
+         OutputInterpreter.AllLinesParser parser = new OutputInterpreter.AllLinesParser();
+         String result = command.execute(parser);
+         if (result != null) {
+             String errMsg = "swiftDelete failed , err=" + result;
+             s_logger.warn(errMsg);
+             return errMsg;
+         }
+         if (parser.getLines() != null) {
+             String[] lines = parser.getLines().split("\\n");
+             for (String line : lines) {
+                 if (line.contains("Errno") || line.contains("failed")) {
+                     String errMsg = "swiftDelete failed , err=" + lines.toString();
+                     s_logger.warn(errMsg);
+                     return errMsg;
+                 }
+             }
+         }
+         return null;
+     }
+ 
+     // TODO: this DeleteSnapshotsDirCommand should be removed after
+     // SnapshotManager refactor, this is used to delete those snapshot directory
+     // in the cachestorage. This should be able to be done through
+     // DeleteSnapshotBackupCommand with deleteAll flag set to true.
+     public Answer execute(DeleteSnapshotsDirCommand cmd) {
+         String secondaryStorageUrl = cmd.getSecondaryStorageUrl();
+         Long accountId = cmd.getAccountId();
+         Long volumeId = cmd.getVolumeId();
+         try {
+             String parent = getRootDir(secondaryStorageUrl);
+             String lPath = parent + "/snapshots/" + String.valueOf(accountId) + "/" + String.valueOf(volumeId) + "/*";
+             String result = deleteLocalFile(lPath);
+             if (result != null) {
+                 String errMsg = "failed to delete all snapshots " + lPath + " , err=" + result;
+                 s_logger.warn(errMsg);
+                 return new Answer(cmd, false, errMsg);
+             }
+             return new Answer(cmd, true, "success");
+         } catch (Exception e) {
+             String errMsg = cmd + " Command failed due to " + e.toString();
+             s_logger.warn(errMsg, e);
+             return new Answer(cmd, false, errMsg);
+         }
+     }
+ 
+     public Answer execute(final DownloadSnapshotFromS3Command cmd) {
+ 
+         final S3TO s3 = cmd.getS3();
+         final String secondaryStorageUrl = cmd.getSecondaryStorageUrl();
+         final Long accountId = cmd.getAccountId();
+         final Long volumeId = cmd.getVolumeId();
+ 
+         try {
+ 
+             executeWithNoWaitLock(determineSnapshotLockId(accountId, volumeId), new Callable<Void>() {
+ 
+                 @Override
+                 public Void call() throws Exception {
+ 
+                     final String directoryName = determineSnapshotLocalDirectory(secondaryStorageUrl, accountId, volumeId);
+ 
+                     String result = createLocalDir(directoryName);
+                     if (result != null) {
+                         throw new InternalErrorException(format("Failed to create directory %1$s during S3 snapshot download.", directoryName));
+                     }
+ 
+                     final String snapshotFileName = determineSnapshotBackupFilename(cmd.getSnapshotUuid());
+                     final String key = determineSnapshotS3Key(accountId, volumeId, snapshotFileName);
+                     final File targetFile = S3Utils.getFile(s3, s3.getBucketName(), key, _storage.getFile(directoryName), new FileNamingStrategy() {
+ 
+                         @Override
+                         public String determineFileName(String key) {
+                             return snapshotFileName;
+                         }
+ 
+                     });
+ 
+                     if (cmd.getParent() != null) {
+ 
+                         final String parentPath = join(File.pathSeparator, directoryName, determineSnapshotBackupFilename(cmd.getParent()));
+                         result = setVhdParent(targetFile.getAbsolutePath(), parentPath);
+                         if (result != null) {
+                             throw new InternalErrorException(format("Failed to set the parent for backup %1$s to %2$s due to %3$s.",
+                                     targetFile.getAbsolutePath(), parentPath, result));
+                         }
+ 
+                     }
+ 
+                     return null;
+ 
+                 }
+ 
+             });
+ 
+             return new Answer(cmd, true, format("Succesfully retrieved volume id %1$s for account id %2$s to %3$s from S3.", volumeId, accountId,
+                     secondaryStorageUrl));
+ 
+         } catch (Exception e) {
+             final String errMsg = format("Failed to retrieve volume id %1$s for account id %2$s to %3$s from S3 due to exception %4$s", volumeId,
+                     accountId, secondaryStorageUrl, e.getMessage());
+             s_logger.error(errMsg);
+             return new Answer(cmd, false, errMsg);
+         }
+ 
+     }
+ 
+     private String determineSnapshotS3Directory(final Long accountId, final Long volumeId) {
+         return join(S3Utils.SEPARATOR, SNAPSHOT_ROOT_DIR, accountId, volumeId);
+     }
+ 
+     private String determineSnapshotS3Key(final Long accountId, final Long volumeId, final String snapshotFileName) {
+ 
+         final String directoryName = determineSnapshotS3Directory(accountId, volumeId);
+         return join(S3Utils.SEPARATOR, directoryName, snapshotFileName);
+ 
+     }
+ 
+     private String determineSnapshotLocalDirectory(final String secondaryStorageUrl, final Long accountId, final Long volumeId) {
+         return join(File.pathSeparator, getRootDir(secondaryStorageUrl), SNAPSHOT_ROOT_DIR, accountId, volumeId);
+     }
+ 
+ 
+     public Answer execute(DownloadSnapshotFromSwiftCommand cmd){
+         SwiftTO swift = cmd.getSwift();
+         String secondaryStorageUrl = cmd.getSecondaryStorageUrl();
+         Long accountId = cmd.getAccountId();
+         Long volumeId = cmd.getVolumeId();
+         String rFilename = cmd.getSnapshotUuid();
+         String sParent = cmd.getParent();
+         String errMsg = "";
+         try {
+             String parent = getRootDir(secondaryStorageUrl);
+             String lPath = parent + "/snapshots/" + String.valueOf(accountId) + "/" + String.valueOf(volumeId);
+ 
+             String result = createLocalDir(lPath);
+             if (result != null) {
+                 errMsg = "downloadSnapshotFromSwiftCommand failed due to Create local path failed";
+                 s_logger.warn(errMsg);
+                 throw new InternalErrorException(errMsg);
+             }
+             String lFilename = rFilename;
+             if (rFilename.startsWith("VHD-")) {
+                 lFilename = rFilename.replace("VHD-", "") + ".vhd";
+             }
+             String lFullPath = lPath + "/" + lFilename;
+             result = swiftDownload(swift, "S-" + volumeId.toString(), rFilename, lFullPath);
+             if (result != null) {
+                 return new Answer(cmd, false, result);
+             }
+             if (sParent != null) {
+                 if (sParent.startsWith("VHD-") || sParent.endsWith(".vhd")) {
+                     String pFilename = sParent;
+                     if (sParent.startsWith("VHD-")) {
+                         pFilename = pFilename.replace("VHD-", "") + ".vhd";
+                     }
+                     String pFullPath = lPath + "/" + pFilename;
+                     result = setVhdParent(lFullPath, pFullPath);
+                     if (result != null) {
+                         return new Answer(cmd, false, result);
+                     }
+                 }
+             }
+ 
+             return new Answer(cmd, true, "success");
+         } catch (Exception e) {
+             String msg = cmd + " Command failed due to " + e.toString();
+             s_logger.warn(msg, e);
+             throw new CloudRuntimeException(msg);
+         }
+     }
+ 
+     private Answer execute(ComputeChecksumCommand cmd) {
+ 
+         String relativeTemplatePath = cmd.getTemplatePath();
+         String parent = getRootDir(cmd);
+ 
+         if (relativeTemplatePath.startsWith(File.separator)) {
+             relativeTemplatePath = relativeTemplatePath.substring(1);
+         }
+ 
+         if (!parent.endsWith(File.separator)) {
+             parent += File.separator;
+         }
+         String absoluteTemplatePath = parent + relativeTemplatePath;
+         MessageDigest digest;
+         String checksum = null;
+         File f = new File(absoluteTemplatePath);
+         InputStream is = null;
+         byte[] buffer = new byte[8192];
+         int read = 0;
+         if (s_logger.isDebugEnabled()) {
+             s_logger.debug("parent path " + parent + " relative template path " + relativeTemplatePath);
+         }
+ 
+         try {
+             digest = MessageDigest.getInstance("MD5");
+             is = new FileInputStream(f);
+             while ((read = is.read(buffer)) > 0) {
+                 digest.update(buffer, 0, read);
+             }
+             byte[] md5sum = digest.digest();
+             BigInteger bigInt = new BigInteger(1, md5sum);
+             checksum = bigInt.toString(16);
+             if (s_logger.isDebugEnabled()) {
+                 s_logger.debug("Successfully calculated checksum for file " + absoluteTemplatePath + " - " + checksum);
+             }
+ 
+         } catch (IOException e) {
+             String logMsg = "Unable to process file for MD5 - " + absoluteTemplatePath;
+             s_logger.error(logMsg);
+             return new Answer(cmd, false, checksum);
+         } catch (NoSuchAlgorithmException e) {
+             return new Answer(cmd, false, checksum);
+         } finally {
+             try {
+                 if (is != null)
+                     is.close();
+             } catch (IOException e) {
+                 if (s_logger.isDebugEnabled()) {
+                     s_logger.debug("Could not close the file " + absoluteTemplatePath);
+                 }
+                 return new Answer(cmd, false, checksum);
+             }
+         }
+ 
+         return new Answer(cmd, true, checksum);
+     }
+ 
+     private void configCerts(Certificates certs) {
+         if (certs == null) {
+             configureSSL();
+         } else {
+             String prvKey = certs.getPrivKey();
+             String pubCert = certs.getPrivCert();
+             String certChain = certs.getCertChain();
+ 
+             try {
+                 File prvKeyFile = File.createTempFile("prvkey", null);
+                 String prvkeyPath = prvKeyFile.getAbsolutePath();
+                 BufferedWriter out = new BufferedWriter(new FileWriter(prvKeyFile));
+                 out.write(prvKey);
+                 out.close();
+ 
+                 File pubCertFile = File.createTempFile("pubcert", null);
+                 String pubCertFilePath = pubCertFile.getAbsolutePath();
+ 
+                 out = new BufferedWriter(new FileWriter(pubCertFile));
+                 out.write(pubCert);
+                 out.close();
+ 
+                 configureSSL(prvkeyPath, pubCertFilePath, null);
+ 
+                 prvKeyFile.delete();
+                 pubCertFile.delete();
+ 
+             } catch (IOException e) {
+                 s_logger.debug("Failed to config ssl: " + e.toString());
+             }
+         }
+     }
+ 
+     private Answer execute(SecStorageSetupCommand cmd) {
+         if (!_inSystemVM) {
+             return new Answer(cmd, true, null);
+         }
+         DataStoreTO dStore = cmd.getDataStore();
+         if (dStore instanceof NfsTO) {
+             String secUrl = cmd.getSecUrl();
+             try {
+                 URI uri = new URI(secUrl);
+                 String nfsHost = uri.getHost();
+ 
+                 InetAddress nfsHostAddr = InetAddress.getByName(nfsHost);
+                 String nfsHostIp = nfsHostAddr.getHostAddress();
+ 
+                 addRouteToInternalIpOrCidr(_storageGateway, _storageIp, _storageNetmask, nfsHostIp);
+                 String nfsPath = nfsHostIp + ":" + uri.getPath();
+                 String dir = UUID.nameUUIDFromBytes(nfsPath.getBytes()).toString();
+                 String root = _parent + "/" + dir;
+                 mount(root, nfsPath);
+ 
+                 configCerts(cmd.getCerts());
+ 
+                 nfsIps.add(nfsHostIp);
+                 return new SecStorageSetupAnswer(dir);
+             } catch (Exception e) {
+                 String msg = "GetRootDir for " + secUrl + " failed due to " + e.toString();
+                 s_logger.error(msg);
+                 return new Answer(cmd, false, msg);
+ 
+             }
+         } else {
+             // TODO: what do we need to setup for S3/Swift, maybe need to mount
+             // to some cache storage
+             return new Answer(cmd, true, null);
+         }
+     }
+ 
+     private String deleteSnapshotBackupFromLocalFileSystem(final String secondaryStorageUrl, final Long accountId, final Long volumeId,
+             final String name, final Boolean deleteAllFlag) {
+ 
+         final String lPath = determineSnapshotLocalDirectory(secondaryStorageUrl, accountId, volumeId) + File.pathSeparator
+                 + (deleteAllFlag ? "*" : "*" + name + "*");
+ 
+         final String result = deleteLocalFile(lPath);
+ 
+         if (result != null) {
+             return "failed to delete snapshot " + lPath + " , err=" + result;
+         }
+ 
+         return null;
+ 
+     }
+ 
+     private String deleteSnapshotBackupfromS3(final S3TO s3, final Long accountId, final Long volumeId, final String name, final Boolean deleteAllFlag) {
+ 
+         try {
+ 
+             final String bucket = s3.getBucketName();
+ 
+             final String result = executeWithNoWaitLock(determineSnapshotLockId(accountId, volumeId), new Callable<String>() {
+ 
+                 @Override
+                 public String call() throws Exception {
+ 
+                     if (deleteAllFlag) {
+                         S3Utils.deleteDirectory(s3, bucket, determineSnapshotS3Directory(accountId, volumeId));
+                     } else {
+                         S3Utils.deleteObject(s3, bucket, determineSnapshotS3Key(accountId, volumeId, determineSnapshotBackupFilename(name)));
+                     }
+ 
+                     return null;
+ 
+                 }
+ 
+             });
+ 
+             return result;
+ 
+         } catch (Exception e) {
+ 
+             s_logger.error(String.format("Failed to delete snapshot backup for account id %1$s volume id %2$sfrom S3.", accountId, volumeId), e);
+             return e.getMessage();
+ 
+         }
+ 
+     }
+ 
+     private String determineSnapshotBackupFilename(final String snapshotUuid) {
+         return snapshotUuid + ".vhd";
+     }
+ 
+     private String determineSnapshotLockId(final Long accountId, final Long volumeId) {
+         return join("_", "SNAPSHOT", accountId, volumeId);
+     }
+ 
+     protected Answer execute(final DeleteSnapshotBackupCommand cmd) {
+         Long accountId = cmd.getAccountId();
+         Long volumeId = cmd.getVolumeId();
+         String name = cmd.getSnapshotUuid();
+         DataStoreTO dstore = cmd.getDataStore();
+         if (dstore instanceof NfsTO) {
+             final String result = deleteSnapshotBackupFromLocalFileSystem(((NfsTO) dstore).getUrl(), accountId, volumeId, name, cmd.isAll());
+             if (result != null) {
+                 s_logger.warn(result);
+                 return new Answer(cmd, false, result);
+             }
+         } else if (dstore instanceof S3TO) {
+             final String result = deleteSnapshotBackupfromS3((S3TO) dstore, accountId, volumeId, name, cmd.isAll());
+             if (result != null) {
+                 s_logger.warn(result);
+                 return new Answer(cmd, false, result);
+             }
+         } else if (dstore instanceof SwiftTO) {
+             String filename;
+             if (cmd.isAll()) {
+                 filename = "";
+             } else {
+                 filename = name;
+             }
+             String result = swiftDelete((SwiftTO) dstore, "V-" + volumeId.toString(), filename);
+             if (result != null) {
+                 String errMsg = "failed to delete snapshot " + filename + " , err=" + result;
+                 s_logger.warn(errMsg);
+                 return new Answer(cmd, false, errMsg);
+             }
+         } else {
+             return new Answer(cmd, false, "Unsupported image data store: " + dstore);
+         }
+         return new Answer(cmd, true, "success");
+     }
+ 
+     Map<String, TemplateProp> swiftListTemplate(SwiftTO swift) {
+         String[] containers = swiftList(swift, "", "");
+         if (containers == null) {
+             return null;
+         }
+         Map<String, TemplateProp> tmpltInfos = new HashMap<String, TemplateProp>();
+         for (String container : containers) {
+             if (container.startsWith("T-")) {
+                 String ldir = _tmpltDir + "/" + UUID.randomUUID().toString();
+                 createLocalDir(ldir);
+                 String lFullPath = ldir + "/" + _tmpltpp;
+                 swiftDownload(swift, container, _tmpltpp, lFullPath);
+                 TemplateLocation loc = new TemplateLocation(_storage, ldir);
+                 try {
+                     if (!loc.load()) {
+                         s_logger.warn("Can not parse template.properties file for template " + container);
+                         continue;
+                     }
+                 } catch (IOException e) {
+                     s_logger.warn("Unable to load template location " + ldir + " due to " + e.toString(), e);
+                     continue;
+                 }
+                 TemplateProp tInfo = loc.getTemplateInfo();
+                 tInfo.setInstallPath(container);
+                 tmpltInfos.put(tInfo.getTemplateName(), tInfo);
+                 loc.purge();
+                 deleteLocalDir(ldir);
+             }
+         }
+         return tmpltInfos;
+ 
+     }
+ 
+     Map<String, TemplateProp> s3ListTemplate(S3TO s3) {
+         String bucket = s3.getBucketName();
+         // List the objects in the source directory on S3
+         final List<S3ObjectSummary> objectSummaries = S3Utils.getDirectory(s3, bucket, this.TEMPLATE_ROOT_DIR);
+         if (objectSummaries == null)
+             return null;
+         Map<String, TemplateProp> tmpltInfos = new HashMap<String, TemplateProp>();
+         for (S3ObjectSummary objectSummary : objectSummaries) {
+             String key = objectSummary.getKey();
+             String installPath = StringUtils.substringBeforeLast(key, S3Utils.SEPARATOR);
+             String uniqueName = this.determineS3TemplateNameFromKey(key);
+             // TODO: isPublic value, where to get?
+             TemplateProp tInfo = new TemplateProp(uniqueName, installPath, objectSummary.getSize(), objectSummary.getSize(), true, false);
+             tmpltInfos.put(uniqueName, tInfo);
+         }
+         return tmpltInfos;
+ 
+     }
+ 
+     Map<Long, TemplateProp> s3ListVolume(S3TO s3) {
+         String bucket = s3.getBucketName();
+         // List the objects in the source directory on S3
+         final List<S3ObjectSummary> objectSummaries = S3Utils.getDirectory(s3, bucket, this.VOLUME_ROOT_DIR);
+         if (objectSummaries == null)
+             return null;
+         Map<Long, TemplateProp> tmpltInfos = new HashMap<Long, TemplateProp>();
+         for (S3ObjectSummary objectSummary : objectSummaries) {
+             String key = objectSummary.getKey();
+             String installPath = StringUtils.substringBeforeLast(key, S3Utils.SEPARATOR);
+             Long id = this.determineS3VolumeIdFromKey(key);
+             // TODO: how to get volume template name
+             TemplateProp tInfo = new TemplateProp(id.toString(), installPath, objectSummary.getSize(), objectSummary.getSize(), true, false);
+             tmpltInfos.put(id, tInfo);
+         }
+         return tmpltInfos;
+ 
+     }
+ 
+     private Answer execute(ListTemplateCommand cmd) {
+         if (!_inSystemVM) {
+             return new Answer(cmd, true, null);
+         }
+ 
+         DataStoreTO store = cmd.getDataStore();
+         if (store instanceof NfsTO) {
+             NfsTO nfs = (NfsTO) store;
+             String secUrl = nfs.getUrl();
+             String root = getRootDir(secUrl);
+             Map<String, TemplateProp> templateInfos = _dlMgr.gatherTemplateInfo(root);
+             return new ListTemplateAnswer(secUrl, templateInfos);
+         } else if (store instanceof SwiftTO) {
+             SwiftTO swift = (SwiftTO) store;
+             Map<String, TemplateProp> templateInfos = swiftListTemplate(swift);
+             return new ListTemplateAnswer(swift.toString(), templateInfos);
+         } else if (store instanceof S3TO) {
+             S3TO s3 = (S3TO) store;
+             Map<String, TemplateProp> templateInfos = s3ListTemplate(s3);
+             return new ListTemplateAnswer(s3.getBucketName(), templateInfos);
+         } else {
+             return new Answer(cmd, false, "Unsupported image data store: " + store);
+         }
+     }
+ 
+     private Answer execute(ListVolumeCommand cmd) {
+         if (!_inSystemVM) {
+             return new Answer(cmd, true, null);
+         }
+         DataStoreTO store = cmd.getDataStore();
+         if (store instanceof NfsTO) {
+             NfsTO nfs = (NfsTO)store;
+             String root = getRootDir(cmd.getSecUrl());
+             Map<Long, TemplateProp> templateInfos = _dlMgr.gatherVolumeInfo(root);
+             return new ListVolumeAnswer(cmd.getSecUrl(), templateInfos);
+         } else if (store instanceof S3TO ){
+             S3TO s3 = (S3TO)store;
+             Map<Long, TemplateProp> templateInfos = s3ListVolume(s3);
+             return new ListVolumeAnswer(s3.getBucketName(), templateInfos);
+         } else {
+             return new Answer(cmd, false, "Unsupported image data store: " + store);
+         }
+ 
+     }
+ 
+     private Answer execute(SecStorageVMSetupCommand cmd) {
+         if (!_inSystemVM) {
+             return new Answer(cmd, true, null);
+         }
+         boolean success = true;
+         StringBuilder result = new StringBuilder();
+         for (String cidr : cmd.getAllowedInternalSites()) {
+             if (nfsIps.contains(cidr)) {
+                 /*
+                  * if the internal download ip is the same with secondary storage ip, adding internal sites will flush
+                  * ip route to nfs through storage ip.
+                  */
+                 continue;
+             }
+             String tmpresult = allowOutgoingOnPrivate(cidr);
+             if (tmpresult != null) {
+                 result.append(", ").append(tmpresult);
+                 success = false;
+             }
+         }
+         if (success) {
+             if (cmd.getCopyPassword() != null && cmd.getCopyUserName() != null) {
+                 String tmpresult = configureAuth(cmd.getCopyUserName(), cmd.getCopyPassword());
+                 if (tmpresult != null) {
+                     result.append("Failed to configure auth for copy ").append(tmpresult);
+                     success = false;
+                 }
+             }
+         }
+         return new Answer(cmd, success, result.toString());
+ 
+     }
+ 
+     private String setVhdParent(String lFullPath, String pFullPath) {
+         Script command = new Script("/bin/bash", s_logger);
+         command.add("-c");
+         command.add("/bin/vhd-util modify -n " + lFullPath + " -p " + pFullPath);
+         String result = command.execute();
+         if (result != null) {
+             String errMsg = "failed to set vhd parent, child " + lFullPath + " parent " + pFullPath + ", err=" + result;
+             s_logger.warn(errMsg);
+             return errMsg;
+         }
+         return null;
+     }
+ 
+     private String createLocalDir(String folder) {
+         Script command = new Script("/bin/bash", s_logger);
+         command.add("-c");
+         command.add("mkdir -p " + folder);
+         String result = command.execute();
+         if (result != null) {
+             String errMsg = "Create local path " + folder + " failed , err=" + result;
+             s_logger.warn(errMsg);
+             return errMsg;
+         }
+         return null;
+     }
+ 
+     private String deleteLocalDir(String folder) {
+         Script command = new Script("/bin/bash", s_logger);
+         command.add("-c");
+         command.add("rmdir " + folder);
+         String result = command.execute();
+         if (result != null) {
+             String errMsg = "Delete local path " + folder + " failed , err=" + result;
+             s_logger.warn(errMsg);
+             return errMsg;
+         }
+         return null;
+     }
+ 
+     private String deleteLocalFile(String fullPath) {
+         Script command = new Script("/bin/bash", s_logger);
+         command.add("-c");
+         command.add("rm -f " + fullPath);
+         String result = command.execute();
+         if (result != null) {
+             String errMsg = "Failed to delete file " + fullPath + ", err=" + result;
+             s_logger.warn(errMsg);
+             return errMsg;
+         }
+         return null;
+     }
+ 
+     public String allowOutgoingOnPrivate(String destCidr) {
+         if (!_inSystemVM) {
+             return null;
+         }
+         Script command = new Script("/bin/bash", s_logger);
+         String intf = "eth1";
+         command.add("-c");
+         command.add("iptables -I OUTPUT -o " + intf + " -d " + destCidr + " -p tcp -m state --state NEW -m tcp  -j ACCEPT");
+ 
+         String result = command.execute();
+         if (result != null) {
+             s_logger.warn("Error in allowing outgoing to " + destCidr + ", err=" + result);
+             return "Error in allowing outgoing to " + destCidr + ", err=" + result;
+         }
+ 
+         addRouteToInternalIpOrCidr(_localgw, _eth1ip, _eth1mask, destCidr);
+ 
+         return null;
+     }
+ 
+     private Answer execute(SecStorageFirewallCfgCommand cmd) {
+         if (!_inSystemVM) {
+             return new Answer(cmd, true, null);
+         }
+ 
+         List<String> ipList = new ArrayList<String>();
+ 
+         for (PortConfig pCfg : cmd.getPortConfigs()) {
+             if (pCfg.isAdd()) {
+                 ipList.add(pCfg.getSourceIp());
+             }
+         }
+         boolean success = true;
+         String result;
+         result = configureIpFirewall(ipList, cmd.getIsAppendAIp());
+         if (result != null)
+             success = false;
+ 
+         return new Answer(cmd, success, result);
+     }
+ 
+     protected GetStorageStatsAnswer execute(final GetStorageStatsCommand cmd) {
+         String rootDir = getRootDir(cmd.getSecUrl());
+         final long usedSize = getUsedSize(rootDir);
+         final long totalSize = getTotalSize(rootDir);
+         if (usedSize == -1 || totalSize == -1) {
+             return new GetStorageStatsAnswer(cmd, "Unable to get storage stats");
+         } else {
+             return new GetStorageStatsAnswer(cmd, totalSize, usedSize);
+         }
+     }
+ 
+     protected Answer execute(final DeleteTemplateCommand cmd) {
+         DataStoreTO dstore = cmd.getDataStore();
+         if (dstore instanceof NfsTO) {
+             NfsTO nfs = (NfsTO) dstore;
+             String relativeTemplatePath = cmd.getTemplatePath();
+             String parent = getRootDir(nfs.getUrl());
+ 
+             if (relativeTemplatePath.startsWith(File.separator)) {
+                 relativeTemplatePath = relativeTemplatePath.substring(1);
+             }
+ 
+             if (!parent.endsWith(File.separator)) {
+                 parent += File.separator;
+             }
+             String absoluteTemplatePath = parent + relativeTemplatePath;
+             File tmpltParent = new File(absoluteTemplatePath).getParentFile();
+             String details = null;
+             if (!tmpltParent.exists()) {
+                 details = "template parent directory " + tmpltParent.getName() + " doesn't exist";
+                 s_logger.debug(details);
+                 return new Answer(cmd, true, details);
+             }
+             File[] tmpltFiles = tmpltParent.listFiles();
+             if (tmpltFiles == null || tmpltFiles.length == 0) {
+                 details = "No files under template parent directory " + tmpltParent.getName();
+                 s_logger.debug(details);
+             } else {
+                 boolean found = false;
+                 for (File f : tmpltFiles) {
+                     if (!found && f.getName().equals("template.properties")) {
+                         found = true;
+                     }
+ 
+                     // KVM HA monitor makes a mess in the templates with its heartbeat tests
+                     // Don't let this stop us from cleaning up the template
+                     if (f.isDirectory() && f.getName().equals("KVMHA")) {
+                         s_logger.debug("Deleting KVMHA directory contents from template location");
+                         File[] haFiles = f.listFiles();
+                         for (File haFile : haFiles) {
+                             haFile.delete();
+                         }
+                     }
+ 
+                     if (!f.delete()) {
+                         return new Answer(cmd, false, "Unable to delete file " + f.getName() + " under Template path "
+                                 + relativeTemplatePath);
+                     }
+                 }
+ 
+                 if (!found) {
+                     details = "Can not find template.properties under " + tmpltParent.getName();
+                     s_logger.debug(details);
+                 }
+             }
+             if (!tmpltParent.delete()) {
+                 details = "Unable to delete directory " + tmpltParent.getName() + " under Template path " + relativeTemplatePath;
+                 s_logger.debug(details);
+                 return new Answer(cmd, false, details);
+             }
+             return new Answer(cmd, true, null);
+         } else if (dstore instanceof S3TO) {
+             final S3TO s3 = (S3TO) dstore;
+             final String path = cmd.getTemplatePath();
+             final String bucket = s3.getBucketName();
+             try {
+                 S3Utils.deleteDirectory(s3, bucket, path);
+                 return new Answer(cmd, true, String.format("Deleted template %1%s from bucket %2$s.", path, bucket));
+             } catch (Exception e) {
+                 final String errorMessage = String.format("Failed to delete template %1$s from bucket %2$s due to the following error: %3$s", path,
+                         bucket, e.getMessage());
+                 s_logger.error(errorMessage, e);
+                 return new Answer(cmd, false, errorMessage);
+             }
+         } else if (dstore instanceof SwiftTO) {
+             SwiftTO swift = (SwiftTO) dstore;
+             String container = "T-" + cmd.getTemplateId();
+             String object = "";
+ 
+             try {
+                 String result = swiftDelete(swift, container, object);
+                 if (result != null) {
+                     String errMsg = "failed to delete object " + container + "/" + object + " , err=" + result;
+                     s_logger.warn(errMsg);
+                     return new Answer(cmd, false, errMsg);
+                 }
+                 return new Answer(cmd, true, "success");
+             } catch (Exception e) {
+                 String errMsg = cmd + " Command failed due to " + e.toString();
+                 s_logger.warn(errMsg, e);
+                 return new Answer(cmd, false, errMsg);
+             }
+         } else {
+             return new Answer(cmd, false, "Unsupported image data store: " + dstore);
+         }
+     }
+ 
+     protected Answer execute(final DeleteVolumeCommand cmd) {
+         DataStoreTO dstore = cmd.getDataStore();
+         if (dstore instanceof NfsTO) {
+             NfsTO nfs = (NfsTO) dstore;
+             String relativeVolumePath = cmd.getVolumePath();
+             String parent = getRootDir(nfs.getUrl());
+ 
+             if (relativeVolumePath.startsWith(File.separator)) {
+                 relativeVolumePath = relativeVolumePath.substring(1);
+             }
+ 
+             if (!parent.endsWith(File.separator)) {
+                 parent += File.separator;
+             }
+             String absoluteVolumePath = parent + relativeVolumePath;
+             File tmpltParent = new File(absoluteVolumePath).getParentFile();
+             String details = null;
+             if (!tmpltParent.exists()) {
+                 details = "volume parent directory " + tmpltParent.getName() + " doesn't exist";
+                 s_logger.debug(details);
+                 return new Answer(cmd, true, details);
+             }
+             File[] tmpltFiles = tmpltParent.listFiles();
+             if (tmpltFiles == null || tmpltFiles.length == 0) {
+                 details = "No files under volume parent directory " + tmpltParent.getName();
+                 s_logger.debug(details);
+             } else {
+                 boolean found = false;
+                 for (File f : tmpltFiles) {
+                     if (!found && f.getName().equals("volume.properties")) {
+                         found = true;
+                     }
+ 
+                     // KVM HA monitor makes a mess in the templates with its heartbeat tests
+                     // Don't let this stop us from cleaning up the template
+                     if (f.isDirectory() && f.getName().equals("KVMHA")) {
+                         s_logger.debug("Deleting KVMHA directory contents from template location");
+                         File[] haFiles = f.listFiles();
+                         for (File haFile : haFiles) {
+                             haFile.delete();
+                         }
+                     }
+ 
+                     if (!f.delete()) {
+                         return new Answer(cmd, false, "Unable to delete file " + f.getName() + " under Volume path "
+                                 + relativeVolumePath);
+                     }
+                 }
+                 if (!found) {
+                     details = "Can not find volume.properties under " + tmpltParent.getName();
+                     s_logger.debug(details);
+                 }
+             }
+             if (!tmpltParent.delete()) {
+                 details = "Unable to delete directory " + tmpltParent.getName() + " under Volume path " + relativeVolumePath;
+                 s_logger.debug(details);
+                 return new Answer(cmd, false, details);
+             }
+             return new Answer(cmd, true, null);
+         } else if (dstore instanceof S3TO) {
+             final S3TO s3 = (S3TO) dstore;
+             final String path = cmd.getVolumePath();
+             final String bucket = s3.getBucketName();
+             try {
+                 S3Utils.deleteDirectory(s3, bucket, path);
+                 return new Answer(cmd, true, String.format("Deleted volume %1%s from bucket %2$s.", path, bucket));
+             } catch (Exception e) {
+                 final String errorMessage = String.format("Failed to delete volume %1$s from bucket %2$s due to the following error: %3$s", path,
+                         bucket, e.getMessage());
+                 s_logger.error(errorMessage, e);
+                 return new Answer(cmd, false, errorMessage);
+             }
+         } else if (dstore instanceof SwiftTO) {
+             Long volumeId = cmd.getVolumeId();
+             String path = cmd.getVolumePath();
+             String filename = StringUtils.substringAfterLast(path, "/"); // assuming
+                                                                          // that
+                                                                          // the
+                                                                          // filename
+                                                                          // is
+                                                                          // the
+                                                                          // last
+                                                                          // section
+                                                                          // in
+                                                                          // the
+                                                                          // path
+             String result = swiftDelete((SwiftTO) dstore, "V-" + volumeId.toString(), filename);
+             if (result != null) {
+                 String errMsg = "failed to delete volume " + filename + " , err=" + result;
+                 s_logger.warn(errMsg);
+                 return new Answer(cmd, false, errMsg);
+             }
+             return new Answer(cmd, false, "Swift is not currently support DeleteVolumeCommand");
+         } else {
+             return new Answer(cmd, false, "Unsupported image data store: " + dstore);
+         }
+ 
+     }
+ 
+     Answer execute(CleanupSnapshotBackupCommand cmd) {
+         String parent = getRootDir(cmd.getSecondaryStoragePoolURL());
+         if (!parent.endsWith(File.separator)) {
+             parent += File.separator;
+         }
+         String absoluteSnapsthotDir = parent + File.separator + "snapshots" + File.separator + cmd.getAccountId() + File.separator
+                 + cmd.getVolumeId();
+         File ssParent = new File(absoluteSnapsthotDir);
+         if (ssParent.exists() && ssParent.isDirectory()) {
+             File[] files = ssParent.listFiles();
+             for (File file : files) {
+                 boolean found = false;
+                 String filename = file.getName();
+                 for (String uuid : cmd.getValidBackupUUIDs()) {
+                     if (filename.startsWith(uuid)) {
+                         found = true;
+                         break;
+                     }
+                 }
+                 if (!found) {
+                     file.delete();
+                     String msg = "snapshot " + filename + " is not recorded in DB, remove it";
+                     s_logger.warn(msg);
+                 }
+             }
+         }
+         return new Answer(cmd, true, null);
+     }
+ 
+     synchronized public String getRootDir(String secUrl) {
+         if (!_inSystemVM) {
+             return _parent;
+         }
+         try {
+             URI uri = new URI(secUrl);
+             String nfsHost = uri.getHost();
+ 
+             InetAddress nfsHostAddr = InetAddress.getByName(nfsHost);
+             String nfsHostIp = nfsHostAddr.getHostAddress();
+             String nfsPath = nfsHostIp + ":" + uri.getPath();
+             String dir = UUID.nameUUIDFromBytes(nfsPath.getBytes()).toString();
+             String root = _parent + "/" + dir;
+             mount(root, nfsPath);
+             return root;
+         } catch (Exception e) {
+             String msg = "GetRootDir for " + secUrl + " failed due to " + e.toString();
+             s_logger.error(msg, e);
+             throw new CloudRuntimeException(msg);
+         }
+     }
+ 
+     @Override
+     public String getRootDir(ssCommand cmd) {
+         return getRootDir(cmd.getSecUrl());
+ 
+     }
+ 
+     protected long getUsedSize(String rootDir) {
+         return _storage.getUsedSpace(rootDir);
+     }
+ 
+     protected long getTotalSize(String rootDir) {
+         return _storage.getTotalSpace(rootDir);
+     }
+ 
+     protected long convertFilesystemSize(final String size) {
+         if (size == null || size.isEmpty()) {
+             return -1;
+         }
+ 
+         long multiplier = 1;
+         if (size.endsWith("T")) {
+             multiplier = 1024l * 1024l * 1024l * 1024l;
+         } else if (size.endsWith("G")) {
+             multiplier = 1024l * 1024l * 1024l;
+         } else if (size.endsWith("M")) {
+             multiplier = 1024l * 1024l;
+         } else {
+             assert (false) : "Well, I have no idea what this is: " + size;
+         }
+ 
+         return (long) (Double.parseDouble(size.substring(0, size.length() - 1)) * multiplier);
+     }
+ 
+     @Override
+     public Type getType() {
+         if (SecondaryStorageVm.Role.templateProcessor.toString().equals(_role))
+             return Host.Type.SecondaryStorage;
+ 
+         return Host.Type.SecondaryStorageCmdExecutor;
+     }
+ 
+     @Override
+     public PingCommand getCurrentStatus(final long id) {
+         return new PingStorageCommand(Host.Type.Storage, id, new HashMap<String, Boolean>());
+     }
+ 
+     @Override
+     public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
+         _eth1ip = (String) params.get("eth1ip");
+         _eth1mask = (String) params.get("eth1mask");
+         if (_eth1ip != null) { // can only happen inside service vm
+             params.put("private.network.device", "eth1");
+         } else {
+             s_logger.warn("eth1ip parameter has not been configured, assuming that we are not inside a system vm");
+         }
+         String eth2ip = (String) params.get("eth2ip");
+         if (eth2ip != null) {
+             params.put("public.network.device", "eth2");
+         }
+         _publicIp = (String) params.get("eth2ip");
+         _hostname = (String) params.get("name");
+ 
+         String inSystemVM = (String) params.get("secondary.storage.vm");
+         if (inSystemVM == null || "true".equalsIgnoreCase(inSystemVM)) {
+             _inSystemVM = true;
+         }
+ 
+         _storageIp = (String) params.get("storageip");
+         if (_storageIp == null && _inSystemVM) {
+             s_logger.warn("There is no storageip in /proc/cmdline, something wrong!");
+         }
+         _storageNetmask = (String) params.get("storagenetmask");
+         _storageGateway = (String) params.get("storagegateway");
+         super.configure(name, params);
+ 
+         _params = params;
+         String value = (String) params.get("scripts.timeout");
+         _timeout = NumbersUtil.parseInt(value, 1440) * 1000;
+ 
+         _storage = (StorageLayer) params.get(StorageLayer.InstanceConfigKey);
+         if (_storage == null) {
+             value = (String) params.get(StorageLayer.ClassConfigKey);
+             if (value == null) {
+                 value = "com.cloud.storage.JavaStorageLayer";
+             }
+ 
+             try {
+                 Class<?> clazz = Class.forName(value);
+                 _storage = (StorageLayer) clazz.newInstance();
+                 _storage.configure("StorageLayer", params);
+             } catch (ClassNotFoundException e) {
+                 throw new ConfigurationException("Unable to find class " + value);
+             } catch (InstantiationException e) {
+                 throw new ConfigurationException("Unable to find class " + value);
+             } catch (IllegalAccessException e) {
+                 throw new ConfigurationException("Unable to find class " + value);
+             }
+         }
+ 
+         if (_inSystemVM)
+             _storage.mkdirs(_parent);
+ 
+         _configSslScr = Script.findScript(getDefaultScriptsDir(), "config_ssl.sh");
+         if (_configSslScr != null) {
+             s_logger.info("config_ssl.sh found in " + _configSslScr);
+         }
+ 
+         _configAuthScr = Script.findScript(getDefaultScriptsDir(), "config_auth.sh");
+         if (_configSslScr != null) {
+             s_logger.info("config_auth.sh found in " + _configAuthScr);
+         }
+ 
+         _configIpFirewallScr = Script.findScript(getDefaultScriptsDir(), "ipfirewall.sh");
+         if (_configIpFirewallScr != null) {
+             s_logger.info("_configIpFirewallScr found in " + _configIpFirewallScr);
+         }
+ 
+         createTemplateFromSnapshotXenScript = Script.findScript(getDefaultScriptsDir(), "create_privatetemplate_from_snapshot_xen.sh");
+         if (createTemplateFromSnapshotXenScript == null) {
+             throw new ConfigurationException("create_privatetemplate_from_snapshot_xen.sh not found in " + getDefaultScriptsDir());
+         }
+ 
+         _role = (String) params.get("role");
+         if (_role == null)
+             _role = SecondaryStorageVm.Role.templateProcessor.toString();
+         s_logger.info("Secondary storage runs in role " + _role);
+ 
+         _guid = (String) params.get("guid");
+         if (_guid == null) {
+             throw new ConfigurationException("Unable to find the guid");
+         }
+ 
+         _dc = (String) params.get("zone");
+         if (_dc == null) {
+             throw new ConfigurationException("Unable to find the zone");
+         }
+         _pod = (String) params.get("pod");
+ 
+         _instance = (String) params.get("instance");
+ 
+         if (!_inSystemVM) {
+             _parent = (String) params.get("mount.path");
+         }
+ 
+ 
+         if (_inSystemVM) {
+             _localgw = (String)params.get("localgw");
+             if (_localgw != null) { // can only happen inside service vm
+                 String mgmtHost = (String) params.get("host");
+                 addRouteToInternalIpOrCidr(_localgw, _eth1ip, _eth1mask, mgmtHost);
+ 
+                 String internalDns1 = (String) params.get("internaldns1");
+                 if (internalDns1 == null) {
+                     s_logger.warn("No DNS entry found during configuration of NfsSecondaryStorage");
+                 } else {
+                     addRouteToInternalIpOrCidr(_localgw, _eth1ip, _eth1mask, internalDns1);
+                 }
+ 
+                 String internalDns2 = (String) params.get("internaldns2");
+                 if (internalDns2 != null) {
+                     addRouteToInternalIpOrCidr(_localgw, _eth1ip, _eth1mask, internalDns2);
+                 }
+ 
+             }
+ 
+             startAdditionalServices();
+             _params.put("install.numthreads", "50");
+             _params.put("secondary.storage.vm", "true");
+         }
+ 
+         try {
+             _params.put(StorageLayer.InstanceConfigKey, _storage);
+             _dlMgr = new DownloadManagerImpl();
+             _dlMgr.configure("DownloadManager", _params);
+             _upldMgr = new UploadManagerImpl();
+             _upldMgr.configure("UploadManager", params);
+         } catch (ConfigurationException e) {
+             s_logger.warn("Caught problem while configuring DownloadManager", e);
+             return false;
+         }
+         return true;
+     }
+ 
+     private void startAdditionalServices() {
+         if (!_inSystemVM) {
+             return;
+         }
+         Script command = new Script("/bin/bash", s_logger);
+         command.add("-c");
+         command.add("if [ -f /etc/init.d/ssh ]; then service ssh restart; else service sshd restart; fi ");
+         String result = command.execute();
+         if (result != null) {
+             s_logger.warn("Error in starting sshd service err=" + result);
+         }
+         command = new Script("/bin/bash", s_logger);
+         command.add("-c");
+         command.add("iptables -I INPUT -i eth1 -p tcp -m state --state NEW -m tcp --dport 3922 -j ACCEPT");
+         result = command.execute();
+         if (result != null) {
+             s_logger.warn("Error in opening up ssh port err=" + result);
+         }
+     }
+ 
+     private void addRouteToInternalIpOrCidr(String localgw, String eth1ip, String eth1mask, String destIpOrCidr) {
+         if (!_inSystemVM) {
+             return;
+         }
+         s_logger.debug("addRouteToInternalIp: localgw=" + localgw + ", eth1ip=" + eth1ip + ", eth1mask=" + eth1mask + ",destIp=" + destIpOrCidr);
+         if (destIpOrCidr == null) {
+             s_logger.debug("addRouteToInternalIp: destIp is null");
+             return;
+         }
+         if (!NetUtils.isValidIp(destIpOrCidr) && !NetUtils.isValidCIDR(destIpOrCidr)) {
+             s_logger.warn(" destIp is not a valid ip address or cidr destIp=" + destIpOrCidr);
+             return;
+         }
+         boolean inSameSubnet = false;
+         if (NetUtils.isValidIp(destIpOrCidr)) {
+             if (eth1ip != null && eth1mask != null) {
+                 inSameSubnet = NetUtils.sameSubnet(eth1ip, destIpOrCidr, eth1mask);
+             } else {
+                 s_logger.warn("addRouteToInternalIp: unable to determine same subnet: _eth1ip=" + eth1ip + ", dest ip=" + destIpOrCidr
+                         + ", _eth1mask=" + eth1mask);
+             }
+         } else {
+             inSameSubnet = NetUtils.isNetworkAWithinNetworkB(destIpOrCidr, NetUtils.ipAndNetMaskToCidr(eth1ip, eth1mask));
+         }
+         if (inSameSubnet) {
+             s_logger.debug("addRouteToInternalIp: dest ip " + destIpOrCidr + " is in the same subnet as eth1 ip " + eth1ip);
+             return;
+         }
+         Script command = new Script("/bin/bash", s_logger);
+         command.add("-c");
+         command.add("ip route delete " + destIpOrCidr);
+         command.execute();
+         command = new Script("/bin/bash", s_logger);
+         command

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