// Generates a tarball including all the requested entries
// @return tarball path
public string GenerateTarball()
{
string tmpDir = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString("N"));
try
{
// TODO: check if space left?
Directory.CreateDirectory(tmpDir);
string outDir = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString("N"));
Directory.CreateDirectory(outDir);
this.UsedDirectories.Add(outDir);
CopyFiles(tmpDir);
string tarballPath = Path.Combine(outDir, "files.tgz");
FileArchive.ZipFile(tmpDir, tarballPath);
return(tarballPath);
}
finally
{
if (!string.IsNullOrEmpty(tmpDir) && Directory.Exists(tmpDir))
{
Directory.Delete(tmpDir, true);
}
}
}
internal static void UnpackBlob(string blobstoreId, string checksum, string installPath)
{
Logger.Info("Retrieving blob: {0}", blobstoreId);
IClient blobstoreClient = Blobstore.CreateClient(Config.BlobstoreProvider, Config.BlobstoreOptions);
FileInfo fileInfo = new FileInfo(Path.Combine(Config.BaseDir, "data", "tmp", blobstoreId + ".tgz"));
try
{
if (!Directory.Exists(fileInfo.Directory.ToString()))
{
Directory.CreateDirectory(fileInfo.Directory.ToString());
}
blobstoreClient.Get(blobstoreId, fileInfo);
string blobDataFile = fileInfo.FullName;
Logger.Info("Done retrieving blob");
if (!Directory.Exists(installPath))
{
Logger.Info("Creating ", installPath);
Directory.CreateDirectory(installPath);
}
string blobSHA1;
using (FileStream fs = fileInfo.Open(FileMode.Open))
{
using (SHA1 sha = new SHA1CryptoServiceProvider())
{
blobSHA1 = BitConverter.ToString(sha.ComputeHash(fs)).Replace("-", "");
}
}
if (String.Compare(blobSHA1, checksum, StringComparison.OrdinalIgnoreCase) != 0)
{
throw new MessageHandlerException(String.Format(CultureInfo.InvariantCulture, "Expected sha1: {0}, Downloaded sha1: {1}", checksum, blobSHA1));
}
Logger.Debug("Extracting {0}", blobDataFile);
FileArchive.UnzipFile(installPath, blobDataFile);
Logger.Debug("Done extracting {0}", blobDataFile);
File.Delete(fileInfo.FullName);
}
catch (Exception ex)
{
Logger.Error("Failure unpacking blob.", ex.ToString());
throw;
}
}
internal static void PackBlob(string directory, string fileName)
{
FileArchive.ZipFile(directory, fileName);
}
