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From ahu...@apache.org
Subject [06/11] Moved the secondary storage service into its own server directory
Date Wed, 05 Feb 2014 01:39:44 GMT
http://git-wip-us.apache.org/repos/asf/cloudstack/blob/4be3b993/services/secondary-storage/server/src/org/apache/cloudstack/storage/resource/NfsSecondaryStorageResource.java
----------------------------------------------------------------------
diff --git a/services/secondary-storage/server/src/org/apache/cloudstack/storage/resource/NfsSecondaryStorageResource.java b/services/secondary-storage/server/src/org/apache/cloudstack/storage/resource/NfsSecondaryStorageResource.java
new file mode 100755
index 0000000..9782c2e
--- /dev/null
+++ b/services/secondary-storage/server/src/org/apache/cloudstack/storage/resource/NfsSecondaryStorageResource.java
@@ -0,0 +1,2430 @@
+// 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.mputFile;
+import static com.cloud.utils.S3Utils.putFile;
+import static com.cloud.utils.StringUtils.join;
+import static java.lang.String.format;
+import static java.util.Arrays.asList;
+import static org.apache.commons.lang.StringUtils.substringAfterLast;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.FileReader;
+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.net.UnknownHostException;
+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 javax.naming.ConfigurationException;
+
+import org.apache.commons.codec.digest.DigestUtils;
+import org.apache.commons.lang.StringUtils;
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpResponse;
+import org.apache.http.NameValuePair;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.utils.URLEncodedUtils;
+import org.apache.http.impl.client.DefaultHttpClient;
+import org.apache.log4j.Logger;
+
+import com.amazonaws.services.s3.model.S3ObjectSummary;
+
+import org.apache.cloudstack.framework.security.keystore.KeystoreManager;
+import org.apache.cloudstack.storage.command.CopyCmdAnswer;
+import org.apache.cloudstack.storage.command.CopyCommand;
+import org.apache.cloudstack.storage.command.DeleteCommand;
+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 com.cloud.agent.api.Answer;
+import com.cloud.agent.api.CheckHealthAnswer;
+import com.cloud.agent.api.CheckHealthCommand;
+import com.cloud.agent.api.Command;
+import com.cloud.agent.api.ComputeChecksumCommand;
+import com.cloud.agent.api.DeleteSnapshotsDirCommand;
+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.SecStorageVMSetupCommand;
+import com.cloud.agent.api.StartupCommand;
+import com.cloud.agent.api.StartupSecondaryStorageCommand;
+import com.cloud.agent.api.storage.CreateEntityDownloadURLCommand;
+import com.cloud.agent.api.storage.DeleteEntityDownloadURLCommand;
+import com.cloud.agent.api.storage.DownloadAnswer;
+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.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.VMTemplateStorageResourceAssoc;
+import com.cloud.storage.template.OVAProcessor;
+import com.cloud.storage.template.Processor;
+import com.cloud.storage.template.Processor.FormatInfo;
+import com.cloud.storage.template.QCOW2Processor;
+import com.cloud.storage.template.RawImageProcessor;
+import com.cloud.storage.template.TemplateLocation;
+import com.cloud.storage.template.TemplateProp;
+import com.cloud.storage.template.VhdProcessor;
+import com.cloud.storage.template.VmdkProcessor;
+import com.cloud.utils.NumbersUtil;
+import com.cloud.utils.S3Utils;
+import com.cloud.utils.S3Utils.FileNamingStrategy;
+import com.cloud.utils.SwiftUtil;
+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 VOLUME_ROOT_DIR = "volumes";
+
+    int _timeout;
+
+    public int getTimeout() {
+        return _timeout;
+    }
+
+    public void setTimeout(int timeout) {
+        _timeout = 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>();
+    protected String _parent = "/mnt/SecStorage";
+    final private String _tmpltpp = "template.properties";
+    protected String createTemplateFromSnapshotXenScript;
+
+    public void setParentPath(String path) {
+        _parent = path;
+    }
+
+    public String getMountingRoot() {
+        return _parent;
+    }
+
+    @Override
+    public void disconnected() {
+    }
+
+    public void setInSystemVM(boolean inSystemVM) {
+        _inSystemVM = inSystemVM;
+    }
+
+    @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 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 DeleteSnapshotsDirCommand) {
+            return execute((DeleteSnapshotsDirCommand)cmd);
+        } else if (cmd instanceof CopyCommand) {
+            return execute((CopyCommand)cmd);
+        } else if (cmd instanceof DeleteCommand) {
+            return execute((DeleteCommand)cmd);
+        } else {
+            return Answer.createUnsupportedCommandAnswer(cmd);
+        }
+    }
+
+    protected CopyCmdAnswer postProcessing(File destFile, String downloadPath, String destPath, DataTO srcData, DataTO destData) throws ConfigurationException {
+        if (destData.getObjectType() == DataObjectType.SNAPSHOT) {
+            SnapshotObjectTO snapshot = new SnapshotObjectTO();
+            snapshot.setPath(destPath + File.separator + destFile.getName());
+
+            CopyCmdAnswer answer = new CopyCmdAnswer(snapshot);
+            return answer;
+        }
+        // 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;
+        long imgSizeGigs = (long)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 if (srcData.getObjectType() == DataObjectType.VOLUME) {
+            extension = ((VolumeObjectTO)srcData).getFormat().getFileExtension();
+        }
+
+        String templateName = UUID.randomUUID().toString();
+        String templateFilename = templateName + "." + extension;
+        Script scr = new Script(script, timeout, s_logger);
+        scr.add("-s", Long.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;
+        // compute the size of
+        long size = _storage.getSize(downloadPath + File.separator + templateFilename);
+
+        DataTO newDestTO = null;
+
+        if (destData.getObjectType() == DataObjectType.TEMPLATE) {
+            TemplateObjectTO newTemplTO = new TemplateObjectTO();
+            newTemplTO.setPath(finalDownloadPath);
+            newTemplTO.setName(finalFileName);
+            newTemplTO.setSize(size);
+            newTemplTO.setPhysicalSize(size);
+            newDestTO = newTemplTO;
+        } else {
+            VolumeObjectTO newVolTO = new VolumeObjectTO();
+            newVolTO.setPath(finalDownloadPath);
+            newVolTO.setName(finalFileName);
+            newVolTO.setSize(size);
+            newDestTO = newVolTO;
+        }
+
+        return new CopyCmdAnswer(newDestTO);
+    }
+
+    protected Answer copyFromSwiftToNfs(CopyCommand cmd, DataTO srcData, SwiftTO swiftTO, DataTO destData, NfsTO destImageStore) {
+        final String storagePath = destImageStore.getUrl();
+        final String destPath = destData.getPath();
+        try {
+            String downloadPath = determineStorageTemplatePath(storagePath, destPath);
+            final File downloadDirectory = _storage.getFile(downloadPath);
+            if (!downloadDirectory.mkdirs()) {
+                return new CopyCmdAnswer("Failed to create download directory " + downloadPath);
+            }
+            File destFile = SwiftUtil.getObject(swiftTO, downloadDirectory, srcData.getPath());
+            return postProcessing(destFile, downloadPath, destPath, srcData, destData);
+        } catch (Exception e) {
+            s_logger.debug("Failed to copy swift to nfs", e);
+            return new CopyCmdAnswer(e.toString());
+        }
+    }
+
+    protected Answer copyFromS3ToNfs(CopyCommand cmd, DataTO srcData, S3TO s3, DataTO destData, NfsTO destImageStore) {
+        final String storagePath = destImageStore.getUrl();
+        final String destPath = destData.getPath();
+
+        try {
+
+            String downloadPath = determineStorageTemplatePath(storagePath, destPath);
+            final File downloadDirectory = _storage.getFile(downloadPath);
+
+            if (!downloadDirectory.mkdirs()) {
+                final String errMsg = "Unable to create directory " + downloadPath + " to copy from S3 to cache.";
+                s_logger.error(errMsg);
+                return new CopyCmdAnswer(errMsg);
+            } else {
+                s_logger.debug("Directory " + downloadPath + " already exists");
+            }
+
+            File destFile = S3Utils.getFile(s3, s3.getBucketName(), srcData.getPath(), downloadDirectory, new FileNamingStrategy() {
+                @Override
+                public String determineFileName(final String key) {
+                    return substringAfterLast(key, S3Utils.SEPARATOR);
+                }
+            });
+
+            if (destFile == null) {
+                return new CopyCmdAnswer("Can't find template");
+            }
+
+            return postProcessing(destFile, downloadPath, destPath, srcData, destData);
+        } 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 = 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 = getRootDir(destDataStore.getUrl());
+        String destPath = destMountPoint + File.separator + destData.getPath();
+
+        String errMsg = null;
+        try {
+            _storage.mkdir(destPath);
+
+            String templateUuid = UUID.randomUUID().toString();
+            String templateName = templateUuid + ".vhd";
+            Script command = new Script(createTemplateFromSnapshotXenScript, cmd.getWait() * 1000, s_logger);
+            command.add("-p", snapshotPath);
+            command.add("-s", snapshotName);
+            command.add("-n", templateName);
+            command.add("-t", destPath);
+            String result = command.execute();
+
+            if (result != null && !result.equalsIgnoreCase("")) {
+                return new CopyCmdAnswer(result);
+            }
+
+            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, templateUuid);
+            loc.addFormat(info);
+            loc.save();
+            TemplateProp prop = loc.getTemplateInfo();
+            TemplateObjectTO newTemplate = new TemplateObjectTO();
+            newTemplate.setPath(destData.getPath() + File.separator + templateName);
+            newTemplate.setFormat(ImageFormat.VHD);
+            newTemplate.setSize(prop.getSize());
+            newTemplate.setPhysicalSize(prop.getPhysicalSize());
+            newTemplate.setName(templateUuid);
+            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);
+        } else if (srcData.getHypervisorType() == HypervisorType.KVM) {
+            File srcFile = getFile(srcData.getPath(), srcDataStore.getUrl());
+            File destFile = getFile(destData.getPath(), destDataStore.getUrl());
+
+            VolumeObjectTO volumeObjectTO = srcData.getVolume();
+            ImageFormat srcFormat = null;
+            //TODO: the image format should be stored in snapshot table, instead of getting from volume
+            if (volumeObjectTO != null) {
+                srcFormat = volumeObjectTO.getFormat();
+            } else {
+                srcFormat = ImageFormat.QCOW2;
+            }
+
+            // get snapshot file name
+            String templateName = srcFile.getName();
+            // add kvm file extension for copied template name
+            String fileName = templateName + "." + srcFormat.getFileExtension();
+            String destFileFullPath = destFile.getAbsolutePath() + File.separator + fileName;
+            s_logger.debug("copy snapshot " + srcFile.getAbsolutePath() + " to template " + destFileFullPath);
+            Script.runSimpleBashScript("cp " + srcFile.getAbsolutePath() + " " + destFileFullPath);
+            try {
+                // generate template.properties file
+                String metaFileName = destFile.getAbsolutePath() + File.separator + "template.properties";
+                _storage.create(destFile.getAbsolutePath(), "template.properties");
+                File metaFile = new File(metaFileName);
+                FileWriter writer = new FileWriter(metaFile);
+                BufferedWriter bufferWriter = new BufferedWriter(writer);
+                // KVM didn't change template unique name, just used the template name passed from orchestration layer, so no need
+                // to send template name back.
+                bufferWriter.write("uniquename=" + destData.getName());
+                bufferWriter.write("\n");
+                bufferWriter.write("filename=" + fileName);
+                bufferWriter.write("\n");
+                long size = _storage.getSize(destFileFullPath);
+                bufferWriter.write("size=" + size);
+                bufferWriter.close();
+                writer.close();
+
+                /**
+                 * Snapshots might be in either QCOW2 or RAW image format
+                 *
+                 * For example RBD snapshots are in RAW format
+                 */
+                Processor processor = null;
+                if (srcFormat == ImageFormat.QCOW2) {
+                    processor = new QCOW2Processor();
+                } else if (srcFormat == ImageFormat.RAW) {
+                    processor = new RawImageProcessor();
+                } else {
+                    throw new ConfigurationException("Unknown image format " + srcFormat.toString());
+                }
+
+                Map<String, Object> params = new HashMap<String, Object>();
+                params.put(StorageLayer.InstanceConfigKey, _storage);
+
+                processor.configure("template processor", params);
+                String destPath = destFile.getAbsolutePath();
+
+                FormatInfo info = processor.process(destPath, null, templateName);
+                TemplateLocation loc = new TemplateLocation(_storage, destPath);
+                loc.create(1, true, destData.getName());
+                loc.addFormat(info);
+                loc.save();
+
+                TemplateProp prop = loc.getTemplateInfo();
+                TemplateObjectTO newTemplate = new TemplateObjectTO();
+                newTemplate.setPath(destData.getPath() + File.separator + fileName);
+                newTemplate.setFormat(srcFormat);
+                newTemplate.setSize(prop.getSize());
+                newTemplate.setPhysicalSize(prop.getPhysicalSize());
+                return new CopyCmdAnswer(newTemplate);
+            } catch (ConfigurationException e) {
+                s_logger.debug("Failed to create template:" + e.toString());
+                return new CopyCmdAnswer(e.toString());
+            } catch (IOException e) {
+                s_logger.debug("Failed to create template:" + e.toString());
+                return new CopyCmdAnswer(e.toString());
+            } catch (InternalErrorException e) {
+                s_logger.debug("Failed to create template:" + e.toString());
+                return new CopyCmdAnswer(e.toString());
+            }
+        }
+
+        return new CopyCmdAnswer("");
+    }
+
+    protected File getFile(String path, String nfsPath) {
+        String filePath = getRootDir(nfsPath) + File.separator + path;
+        File f = new File(filePath);
+        if (!f.exists()) {
+            _storage.mkdirs(filePath);
+            f = new File(filePath);
+        }
+        return f;
+    }
+
+    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 || srcDataStore.getRole() == DataStoreRole.Primary) {
+            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);
+            } else if (destDataStore instanceof SwiftTO) {
+                //create template on the same data store
+                CopyCmdAnswer answer =
+                        (CopyCmdAnswer)copySnapshotToTemplateFromNfsToNfs(cmd, (SnapshotObjectTO)srcData, (NfsTO)srcDataStore, (TemplateObjectTO)destData,
+                                (NfsTO)srcDataStore);
+                if (!answer.getResult()) {
+                    return answer;
+                }
+                s_logger.debug("starting copy template to swift");
+                DataTO newTemplate = answer.getNewData();
+                File templateFile = getFile(newTemplate.getPath(), ((NfsTO)srcDataStore).getUrl());
+                SwiftTO swift = (SwiftTO)destDataStore;
+                String containterName = SwiftUtil.getContainerName(destData.getObjectType().toString(), destData.getId());
+                String swiftPath = SwiftUtil.putObject(swift, templateFile, containterName, templateFile.getName());
+                //upload template.properties
+                File properties = new File(templateFile.getParent() + File.separator + _tmpltpp);
+                if (properties.exists()) {
+                    SwiftUtil.putObject(swift, properties, containterName, _tmpltpp);
+                }
+
+                //clean up template data on staging area
+                try {
+                    DeleteCommand deleteCommand = new DeleteCommand(newTemplate);
+                    execute(deleteCommand);
+                } catch (Exception e) {
+                    s_logger.debug("Failed to clean up staging area:", e);
+                }
+
+                TemplateObjectTO template = new TemplateObjectTO();
+                template.setPath(swiftPath);
+                template.setSize(templateFile.length());
+                template.setPhysicalSize(template.getSize());
+                SnapshotObjectTO snapshot = (SnapshotObjectTO)srcData;
+                template.setFormat(snapshot.getVolume().getFormat());
+                return new CopyCmdAnswer(template);
+            } else if (destDataStore instanceof S3TO) {
+                //create template on the same data store
+                CopyCmdAnswer answer =
+                        (CopyCmdAnswer)copySnapshotToTemplateFromNfsToNfs(cmd, (SnapshotObjectTO)srcData, (NfsTO)srcDataStore, (TemplateObjectTO)destData,
+                                (NfsTO)srcDataStore);
+                if (!answer.getResult()) {
+                    return answer;
+                }
+                TemplateObjectTO newTemplate = (TemplateObjectTO)answer.getNewData();
+                newTemplate.setDataStore(srcDataStore);
+                CopyCommand newCpyCmd = new CopyCommand(newTemplate, destData, cmd.getWait(), cmd.executeInSequence());
+                Answer result = copyFromNfsToS3(newCpyCmd);
+                //clean up template data on staging area
+                try {
+                    DeleteCommand deleteCommand = new DeleteCommand(newTemplate);
+                    execute(deleteCommand);
+                } catch (Exception e) {
+                    s_logger.debug("Failed to clean up staging area:", e);
+                }
+                return result;
+            }
+        }
+        s_logger.debug("Failed to create templat from snapshot");
+        return new CopyCmdAnswer("Unsupported prototcol");
+    }
+
+    protected Answer copyFromNfsToImage(CopyCommand cmd) {
+        DataTO destData = cmd.getDestTO();
+        DataStoreTO destDataStore = destData.getDataStore();
+
+        if (destDataStore instanceof S3TO) {
+            return copyFromNfsToS3(cmd);
+        } else {
+            return new CopyCmdAnswer("unsupported ");
+        }
+    }
+
+    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 (destDataStore instanceof NfsTO && destDataStore.getRole() == DataStoreRole.ImageCache) {
+            NfsTO destImageStore = (NfsTO)destDataStore;
+            if (srcDataStore instanceof S3TO) {
+                S3TO s3 = (S3TO)srcDataStore;
+                return copyFromS3ToNfs(cmd, srcData, s3, destData, destImageStore);
+            } else if (srcDataStore instanceof SwiftTO) {
+                return copyFromSwiftToNfs(cmd, srcData, (SwiftTO)srcDataStore, destData, destImageStore);
+            }
+        }
+
+        if (srcDataStore.getRole() == DataStoreRole.ImageCache && destDataStore.getRole() == DataStoreRole.Image) {
+            return copyFromNfsToImage(cmd);
+        }
+
+        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);
+    }
+
+    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);
+    }
+
+    protected Long determineS3VolumeIdFromKey(String key) {
+        return Long.parseLong(StringUtils.substringAfterLast(StringUtils.substringBeforeLast(key, S3Utils.SEPARATOR), S3Utils.SEPARATOR));
+    }
+
+    private String determineStorageTemplatePath(final String storagePath, String dataPath) {
+        return join(asList(getRootDir(storagePath), dataPath), File.separator);
+    }
+
+    protected File downloadFromUrlToNfs(String url, NfsTO nfs, String path, String name) {
+        HttpClient client = new DefaultHttpClient();
+        HttpGet get = new HttpGet(url);
+        try {
+            HttpResponse response = client.execute(get);
+            HttpEntity entity = response.getEntity();
+            if (entity == null) {
+                s_logger.debug("Faled to get entity");
+                throw new CloudRuntimeException("Failed to get url: " + url);
+            }
+
+            String nfsMountPath = getRootDir(nfs.getUrl());
+
+            String filePath = nfsMountPath + File.separator + path;
+            File directory = new File(filePath);
+            if (!directory.exists()) {
+                _storage.mkdirs(filePath);
+            }
+            File destFile = new File(filePath + File.separator + name);
+            if (!destFile.createNewFile()) {
+                s_logger.warn("Reusing existing file " + destFile.getPath());
+            }
+            FileOutputStream outputStream = new FileOutputStream(destFile);
+            entity.writeTo(outputStream);
+            return new File(destFile.getAbsolutePath());
+        } catch (IOException e) {
+            s_logger.debug("Faild to get url:" + url + ", due to " + e.toString());
+            throw new CloudRuntimeException(e);
+        }
+    }
+
+    protected Answer registerTemplateOnSwift(DownloadCommand cmd) {
+        SwiftTO swiftTO = (SwiftTO)cmd.getDataStore();
+        String path = cmd.getInstallPath();
+        DataStoreTO cacheStore = cmd.getCacheStore();
+        if (cacheStore == null || !(cacheStore instanceof NfsTO)) {
+            return new DownloadAnswer("cache store can't be null", VMTemplateStorageResourceAssoc.Status.DOWNLOAD_ERROR);
+        }
+
+        File file = null;
+        try {
+            NfsTO nfsCacheStore = (NfsTO)cacheStore;
+            String fileName = cmd.getName() + "." + cmd.getFormat().getFileExtension();
+            file = downloadFromUrlToNfs(cmd.getUrl(), nfsCacheStore, path, fileName);
+            String container = "T-" + cmd.getId();
+            String swiftPath = SwiftUtil.putObject(swiftTO, file, container, null);
+
+            //put metda file
+            File uniqDir = _storage.createUniqDir();
+            String metaFileName = uniqDir.getAbsolutePath() + File.separator + "template.properties";
+            _storage.create(uniqDir.getAbsolutePath(), "template.properties");
+            File metaFile = new File(metaFileName);
+            FileWriter writer = new FileWriter(metaFile);
+            BufferedWriter bufferWriter = new BufferedWriter(writer);
+            bufferWriter.write("uniquename=" + cmd.getName());
+            bufferWriter.write("\n");
+            bufferWriter.write("filename=" + fileName);
+            bufferWriter.write("\n");
+            bufferWriter.write("size=" + file.length());
+            bufferWriter.close();
+            writer.close();
+
+            SwiftUtil.putObject(swiftTO, metaFile, container, "template.properties");
+            metaFile.delete();
+            uniqDir.delete();
+            String md5sum = null;
+            try {
+                md5sum = DigestUtils.md5Hex(new FileInputStream(file));
+            } catch (IOException e) {
+                s_logger.debug("Failed to get md5sum: " + file.getAbsoluteFile());
+            }
+
+            DownloadAnswer answer =
+                    new DownloadAnswer(null, 100, null, VMTemplateStorageResourceAssoc.Status.DOWNLOADED, swiftPath, swiftPath, file.length(), file.length(), md5sum);
+            return answer;
+        } catch (IOException e) {
+            s_logger.debug("Failed to register template into swift", e);
+            return new DownloadAnswer(e.toString(), VMTemplateStorageResourceAssoc.Status.DOWNLOAD_ERROR);
+        } finally {
+            if (file != null) {
+                file.delete();
+            }
+        }
+    }
+
+    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 SwiftTO) {
+            return registerTemplateOnSwift(cmd);
+        } else {
+            return new Answer(cmd, false, "Unsupported image data store: " + dstore);
+        }
+
+    }
+
+    private ImageFormat getTemplateFormat(String filePath) {
+        String ext = null;
+        int extensionPos = filePath.lastIndexOf('.');
+        int lastSeparator = Math.max(filePath.lastIndexOf('/'), filePath.lastIndexOf('\\'));
+        int i = lastSeparator > extensionPos ? -1 : extensionPos;
+        if (i > 0) {
+            ext = filePath.substring(i + 1);
+        }
+        if (ext != null) {
+            if (ext.equalsIgnoreCase("vhd")) {
+                return ImageFormat.VHD;
+            } else if (ext.equalsIgnoreCase("vhdx")) {
+                return ImageFormat.VHDX;
+            } else if (ext.equalsIgnoreCase("qcow2")) {
+                return ImageFormat.QCOW2;
+            } else if (ext.equalsIgnoreCase("ova")) {
+                return ImageFormat.OVA;
+            } else if (ext.equalsIgnoreCase("tar")) {
+                return ImageFormat.TAR;
+            } else if (ext.equalsIgnoreCase("img") || ext.equalsIgnoreCase("raw")) {
+                return ImageFormat.RAW;
+            } else if (ext.equalsIgnoreCase("vmdk")) {
+                return ImageFormat.VMDK;
+            } else if (ext.equalsIgnoreCase("vdi")) {
+                return ImageFormat.VDI;
+            }
+        }
+
+        return null;
+
+    }
+
+    protected Long getVirtualSize(File file, ImageFormat format) {
+        Processor processor = null;
+        try {
+            if (format == null) {
+                return file.length();
+            } else if (format == ImageFormat.QCOW2) {
+                processor = new QCOW2Processor();
+            } else if (format == ImageFormat.OVA) {
+                processor = new OVAProcessor();
+            } else if (format == ImageFormat.VHD) {
+                processor = new VhdProcessor();
+            } else if (format == ImageFormat.RAW) {
+                processor = new RawImageProcessor();
+            } else if (format == ImageFormat.VMDK) {
+                processor = new VmdkProcessor();
+            }
+
+            if (processor == null) {
+                return file.length();
+            }
+
+            processor.configure("template processor", new HashMap<String, Object>());
+            return processor.getVirtualSize(file);
+        } catch (Exception e) {
+            s_logger.debug("Failed to get virtual size:", e);
+        }
+        return file.length();
+    }
+
+    protected Answer copyFromNfsToS3(CopyCommand cmd) {
+        final DataTO srcData = cmd.getSrcTO();
+        final DataTO destData = cmd.getDestTO();
+        DataStoreTO srcDataStore = srcData.getDataStore();
+        NfsTO srcStore = (NfsTO)srcDataStore;
+        DataStoreTO destDataStore = destData.getDataStore();
+
+        final S3TO s3 = (S3TO)destDataStore;
+
+        try {
+            final String templatePath = determineStorageTemplatePath(srcStore.getUrl(), srcData.getPath());
+
+            if (s_logger.isDebugEnabled()) {
+                s_logger.debug("Found " + srcData.getObjectType() + " from directory " + templatePath + " to upload to S3.");
+            }
+
+            final String bucket = s3.getBucketName();
+            File srcFile = _storage.getFile(templatePath);
+            // guard the case where templatePath does not have file extension, since we are not completely sure
+            // about hypervisor, so we check each extension
+            if (!srcFile.exists()) {
+                srcFile = _storage.getFile(templatePath + ".qcow2");
+                if (!srcFile.exists()) {
+                    srcFile = _storage.getFile(templatePath + ".vhd");
+                    if (!srcFile.exists()) {
+                        srcFile = _storage.getFile(templatePath + ".ova");
+                        if (!srcFile.exists()) {
+                            srcFile = _storage.getFile(templatePath + ".vmdk");
+                            if (!srcFile.exists()) {
+                                return new CopyCmdAnswer("Can't find src file:" + templatePath);
+                            }
+                        }
+                    }
+                }
+            }
+
+            long srcSize = srcFile.length();
+            ImageFormat format = getTemplateFormat(srcFile.getName());
+            String key = destData.getPath() + S3Utils.SEPARATOR + srcFile.getName();
+            if (!s3.getSingleUpload(srcSize)) {
+                mputFile(s3, srcFile, bucket, key);
+            } else {
+                putFile(s3, srcFile, bucket, key);
+            }
+
+            DataTO retObj = null;
+            if (destData.getObjectType() == DataObjectType.TEMPLATE) {
+                TemplateObjectTO newTemplate = new TemplateObjectTO();
+                newTemplate.setPath(key);
+                newTemplate.setSize(getVirtualSize(srcFile, format));
+                newTemplate.setPhysicalSize(srcFile.length());
+                newTemplate.setFormat(format);
+                retObj = newTemplate;
+            } else if (destData.getObjectType() == DataObjectType.VOLUME) {
+                VolumeObjectTO newVol = new VolumeObjectTO();
+                newVol.setPath(key);
+                newVol.setSize(srcFile.length());
+                retObj = newVol;
+            } else if (destData.getObjectType() == DataObjectType.SNAPSHOT) {
+                SnapshotObjectTO newSnapshot = new SnapshotObjectTO();
+                newSnapshot.setPath(key);
+                retObj = newSnapshot;
+            }
+
+            return new CopyCmdAnswer(retObj);
+        } catch (Exception e) {
+            s_logger.error("failed to upload" + srcData.getPath(), e);
+            return new CopyCmdAnswer("failed to upload" + srcData.getPath() + e.toString());
+        }
+    }
+
+    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=" + parser.getLines();
+                    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=" + parser.getLines();
+                    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=" + parser.getLines();
+                        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=" + parser.getLines();
+                    s_logger.warn(errMsg);
+                    return errMsg;
+                }
+            }
+        }
+        return null;
+    }
+
+    public Answer execute(DeleteSnapshotsDirCommand cmd) {
+        DataStoreTO dstore = cmd.getDataStore();
+        if (dstore instanceof NfsTO) {
+            NfsTO nfs = (NfsTO)dstore;
+            String relativeSnapshotPath = cmd.getDirectory();
+            String parent = getRootDir(nfs.getUrl());
+
+            if (relativeSnapshotPath.startsWith(File.separator)) {
+                relativeSnapshotPath = relativeSnapshotPath.substring(1);
+            }
+
+            if (!parent.endsWith(File.separator)) {
+                parent += File.separator;
+            }
+            String absoluteSnapshotPath = parent + relativeSnapshotPath;
+            File snapshotDir = new File(absoluteSnapshotPath);
+            String details = null;
+            if (!snapshotDir.exists()) {
+                details = "snapshot directory " + snapshotDir.getName() + " doesn't exist";
+                s_logger.debug(details);
+                return new Answer(cmd, true, details);
+            }
+            // delete all files in the directory
+            String lPath = absoluteSnapshotPath + "/*";
+            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);
+            }
+            // delete the directory
+            if (!snapshotDir.delete()) {
+                details = "Unable to delete directory " + snapshotDir.getName() + " under snapshot path " + relativeSnapshotPath;
+                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.getDirectory();
+            final String bucket = s3.getBucketName();
+            try {
+                S3Utils.deleteDirectory(s3, bucket, path);
+                return new Answer(cmd, true, String.format("Deleted snapshot %1%s from bucket %2$s.", path, bucket));
+            } catch (Exception e) {
+                final String errorMessage =
+                        String.format("Failed to delete snapshot %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) {
+            String path = cmd.getDirectory();
+            String volumeId = StringUtils.substringAfterLast(path, "/"); // assuming
+            // that
+            // the
+            // filename
+            // is
+            // the
+            // last
+            // section
+            // in
+            // the
+            // path
+            String result = swiftDelete((SwiftTO)dstore, "V-" + volumeId.toString(), "");
+            if (result != null) {
+                String errMsg = "failed to delete snapshot for volume " + volumeId + " , err=" + result;
+                s_logger.warn(errMsg);
+                return new Answer(cmd, false, errMsg);
+            }
+            return new Answer(cmd, true, "Deleted snapshot " + path + " from swift");
+        } else {
+            return new Answer(cmd, false, "Unsupported image data store: " + dstore);
+        }
+    }
+
+    private Answer execute(ComputeChecksumCommand cmd) {
+
+        String relativeTemplatePath = cmd.getTemplatePath();
+        DataStoreTO store = cmd.getStore();
+        if (!(store instanceof NfsTO)) {
+            return new Answer(cmd, false, "can't handle non nfs data store");
+        }
+        NfsTO nfsStore = (NfsTO)store;
+        String parent = getRootDir(nfsStore.getUrl());
+
+        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(KeystoreManager.Certificates certs) {
+        if (certs == null) {
+            configureSSL();
+        } else {
+            String prvKey = certs.getPrivKey();
+            String pubCert = certs.getPrivCert();
+
+            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 nfsHostIp = getUriHostIp(uri);
+
+                addRouteToInternalIpOrCidr(_storageGateway, _storageIp, _storageNetmask, nfsHostIp);
+                String dir = mountUri(uri);
+
+                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);
+        }
+    }
+
+    protected Answer deleteSnapshot(final DeleteCommand cmd) {
+        DataTO obj = cmd.getData();
+        DataStoreTO dstore = obj.getDataStore();
+        if (dstore instanceof NfsTO) {
+            NfsTO nfs = (NfsTO)dstore;
+            String parent = getRootDir(nfs.getUrl());
+            if (!parent.endsWith(File.separator)) {
+                parent += File.separator;
+            }
+            String snapshotPath = obj.getPath();
+            if (snapshotPath.startsWith(File.separator)) {
+                snapshotPath = snapshotPath.substring(1);
+            }
+            // check if the passed snapshot path is a directory or not. For ImageCache, path is stored as a directory instead of
+            // snapshot file name. If so, since backupSnapshot process has already deleted snapshot in cache, so we just do nothing
+            // and return true.
+            String fullSnapPath = parent + snapshotPath;
+            File snapDir = new File(fullSnapPath);
+            if (snapDir.exists() && snapDir.isDirectory()) {
+                s_logger.debug("snapshot path " + snapshotPath + " is a directory, already deleted during backup snapshot, so no need to delete");
+                return new Answer(cmd, true, null);
+            }
+            // passed snapshot path is a snapshot file path, then get snapshot directory first
+            int index = snapshotPath.lastIndexOf("/");
+            String snapshotName = snapshotPath.substring(index + 1);
+            snapshotPath = snapshotPath.substring(0, index);
+            String absoluteSnapshotPath = parent + snapshotPath;
+            // check if snapshot directory exists
+            File snapshotDir = new File(absoluteSnapshotPath);
+            String details = null;
+            if (!snapshotDir.exists()) {
+                details = "snapshot directory " + snapshotDir.getName() + " doesn't exist";
+                s_logger.debug(details);
+                return new Answer(cmd, false, details);
+            }
+            // delete snapshot in the directory if exists
+            String lPath = absoluteSnapshotPath + "/*" + snapshotName + "*";
+            String result = deleteLocalFile(lPath);
+            if (result != null) {
+                details = "failed to delete snapshot " + lPath + " , err=" + result;
+                s_logger.warn(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 = obj.getPath();
+            final String bucket = s3.getBucketName();
+            try {
+                S3Utils.deleteObject(s3, bucket, path);
+                return new Answer(cmd, true, String.format("Deleted snapshot %1%s from bucket %2$s.", path, bucket));
+            } catch (Exception e) {
+                final String errorMessage =
+                        String.format("Failed to delete snapshot %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 swiftTO = (SwiftTO)dstore;
+            String path = obj.getPath();
+            SwiftUtil.deleteObject(swiftTO, path);
+
+            return new Answer(cmd, true, "Deleted snapshot " + path + " from swift");
+        } else {
+            return new Answer(cmd, false, "Unsupported image data store: " + dstore);
+        }
+
+    }
+
+    Map<String, TemplateProp> swiftListTemplate(SwiftTO swift) {
+        String[] containers = SwiftUtil.list(swift, "", null);
+        if (containers == null) {
+            return null;
+        }
+        Map<String, TemplateProp> tmpltInfos = new HashMap<String, TemplateProp>();
+        for (String container : containers) {
+            if (container.startsWith("T-")) {
+                String[] files = SwiftUtil.list(swift, container, "template.properties");
+                if (files.length != 1) {
+                    continue;
+                }
+                try {
+                    File tempFile = File.createTempFile("template", ".tmp");
+                    File tmpFile = SwiftUtil.getObject(swift, tempFile, container + File.separator + "template.properties");
+                    if (tmpFile == null) {
+                        continue;
+                    }
+                    FileReader fr = new FileReader(tmpFile);
+                    BufferedReader brf = new BufferedReader(fr);
+                    String line = null;
+                    String uniqName = null;
+                    Long size = null;
+                    String name = null;
+                    while ((line = brf.readLine()) != null) {
+                        if (line.startsWith("uniquename=")) {
+                            uniqName = line.split("=")[1];
+                        } else if (line.startsWith("size=")) {
+                            size = Long.parseLong(line.split("=")[1]);
+                        } else if (line.startsWith("filename=")) {
+                            name = line.split("=")[1];
+                        }
+                    }
+                    brf.close();
+                    tempFile.delete();
+                    if (uniqName != null) {
+                        TemplateProp prop = new TemplateProp(uniqName, container + File.separator + name, size, size, true, false);
+                        tmpltInfos.put(uniqName, prop);
+                    }
+
+                } catch (IOException e) {
+                    s_logger.debug("Failed to create templ file:" + e.toString());
+                    continue;
+                } catch (Exception e) {
+                    s_logger.debug("Failed to get properties: " + e.toString());
+                    continue;
+                }
+            }
+        }
+        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, 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 = determineS3TemplateNameFromKey(key);
+            // TODO: isPublic value, where to get?
+            TemplateProp tInfo = new TemplateProp(uniqueName, key, 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, 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 = determineS3VolumeIdFromKey(key);
+            // TODO: how to get volume template name
+            TemplateProp tInfo = new TemplateProp(id.toString(), key, objectSummary.getSize(), objectSummary.getSize(), true, false);
+            tmpltInfos.put(id, tInfo);
+        }
+        return tmpltInfos;
+
+    }
+
+    private Answer execute(ListTemplateCommand cmd) {
+        if (!_inSystemVM) {
+            return new ListTemplateAnswer(null, 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 ListVolumeAnswer(cmd.getSecUrl(), null);
+        }
+        DataStoreTO store = cmd.getDataStore();
+        if (store instanceof NfsTO) {
+            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 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) {
+        DataStoreTO store = cmd.getStore();
+        if (store instanceof S3TO || store instanceof SwiftTO) {
+            long infinity = Integer.MAX_VALUE;
+            return new GetStorageStatsAnswer(cmd, infinity, 0L);
+        }
+
+        String rootDir = getRootDir(((NfsTO)store).getUrl());
+        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 DeleteCommand cmd) {
+        DataTO obj = cmd.getData();
+        DataObjectType objType = obj.getObjectType();
+        if (obj.getPath() == null) {
+            // account for those fake entries for NFS migration to object store
+            return new Answer(cmd, true, "Object with null install path does not exist on image store , no need to delete");
+        }
+        switch (objType) {
+        case TEMPLATE:
+            return deleteTemplate(cmd);
+        case VOLUME:
+            return deleteVolume(cmd);
+        case SNAPSHOT:
+            return deleteSnapshot(cmd);
+        }
+        return Answer.createUnsupportedCommandAnswer(cmd);
+    }
+
+    protected Answer deleteTemplate(DeleteCommand cmd) {
+        DataTO obj = cmd.getData();
+        DataStoreTO dstore = obj.getDataStore();
+        if (dstore instanceof NfsTO) {
+            NfsTO nfs = (NfsTO)dstore;
+            String relativeTemplatePath = obj.getPath();
+            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 tmpltPath = new File(absoluteTemplatePath);
+            File tmpltParent = null;
+            if(tmpltPath.exists() && tmpltPath.isDirectory()) {
+                tmpltParent = tmpltPath;
+            } else {
+                tmpltParent = tmpltPath.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 = obj.getPath();
+            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-" + obj.getId();
+            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 deleteVolume(final DeleteCommand cmd) {
+        DataTO obj = cmd.getData();
+        DataStoreTO dstore = obj.getDataStore();
+        if (dstore instanceof NfsTO) {
+            NfsTO nfs = (NfsTO)dstore;
+            String relativeVolumePath = obj.getPath();
+            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 volPath = new File(absoluteVolumePath);
+            File tmpltParent = null;
+            if (volPath.exists() && volPath.isDirectory()) {
+                // for vmware, absoluteVolumePath represents a directory where volume files are located.
+                tmpltParent = volPath;
+            } else {
+                // for other hypervisors, the volume .vhd or .qcow2 file path is passed
+                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 " + tmpltParent.getPath());
+                    }
+                }
+                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 " + tmpltParent.getPath();
+                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 = obj.getPath();
+            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 = obj.getId();
+            String path = obj.getPath();
+            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, true, "Deleted volume " + path + " from swift");
+        } else {
+            return new Answer(cmd, false, "Unsupported image data store: " + dstore);
+        }
+
+    }
+
+    @Override
+    synchronized public String getRootDir(String secUrl) {
+        if (!_inSystemVM) {
+            return _parent;
+        }
+        try {
+            URI uri = new URI(secUrl);
+            String dir = mountUri(uri);
+            return _parent + "/" + dir;
+        } catch (Exception e) {
+            String msg = "GetRootDir for " + secUrl + " failed due to " + e.toString();
+            s_logger.error(msg, e);
+            throw new CloudRuntimeException(msg);
+        }
+    }
+
+    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)) {
+            s_logger.debug("conf secondary.storage.vm is true, act as if executing in SSVM");
+            _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);
+        configureStorageLayerClass(params);
+
+        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;
+    }
+
+    protected void configureStorageLayerClass(Map<String, Object> params) throws ConfigurationException {
+        String value;
+        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();
+            

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