public void UnpackDroplet()
{
Directory.CreateDirectory(this.Workspace.UnstagedDir);
if (File.Exists(this.Workspace.DownloadDropletPath))
{
DEAUtilities.ExtractArchive(this.Workspace.DownloadDropletPath, this.Workspace.UnstagedDir);
}
else
{
throw new Exception(string.Format("Could not find file {0}", this.Workspace.DownloadDropletPath));
}
Directory.CreateDirectory(this.Workspace.Cache);
if (File.Exists(this.Workspace.DownloadBuildpackCachePath))
{
Logger.Debug("Staging task {0}: Unpacking buildpack cache {1}", this.Properties.TaskId, this.Workspace.DownloadBuildpackCachePath);
DEAUtilities.ExtractArchive(this.Workspace.DownloadBuildpackCachePath, this.Workspace.Cache);
}
}
/// <summary>
/// Prepares the app directory.
/// </summary>
/// <param name="bitsFile">The bits file.</param>
/// <param name="bitsUri">The bits URI.</param>
/// <param name="hash">The sha1.</param>
/// <param name="tarZipFile">The TGZ file.</param>
/// <param name="instance">The instance.</param>
public void PrepareAppDirectory(string bitsFile, string bitsUri, string hash, string tarZipFile, DropletInstance instance)
{
if (instance == null)
{
throw new ArgumentNullException("instance");
}
// What we do here, in order of preference..
// 1. Check our own staged directory.
// 2. Check shared directory from CloudController that could be mounted (bits_file)
// 3. Pull from http if needed.
string instanceDir = instance.Properties.Directory;
lock (this.stagerLock)
{
// check before downloading
if (instance.Properties.StopProcessed)
{
return;
}
if (File.Exists(tarZipFile))
{
Logger.Debug(Strings.FoundStagedBitsInLocalCache);
}
else
{
// If we have a shared volume from the CloudController we can see the bits directly, just link into our staged version.
DateTime start = DateTime.Now;
if (File.Exists(bitsFile))
{
Logger.Debug(Strings.SharingCloudControllerStagingDirectory);
File.Copy(bitsFile, tarZipFile);
Logger.Debug(Strings.TookXSecondsToCopyFromShared, DateTime.Now - start);
}
else
{
Uri downloadUri = new Uri(bitsUri);
Logger.Debug(Strings.Needtodownloadappbitsfrom, downloadUri);
this.DownloadAppBits(downloadUri, hash, tarZipFile);
Logger.Debug(Strings.TookXSecondsToDownloadAndWrite, DateTime.Now - start);
}
}
// create log files
string logDir = Path.Combine(instance.Properties.Directory, "logs");
Directory.CreateDirectory(logDir);
using (File.Create(Path.Combine(logDir, "stdout.log"))) { }
using (File.Create(Path.Combine(logDir, "stderr.log"))) { }
// check before extracting
if (instance.Properties.StopProcessed)
{
return;
}
DateTime startStageing = DateTime.Now;
// Explode the app into its directory and optionally bind its local runtime.
Directory.CreateDirectory(instance.Properties.Directory);
DirectoryInfo deploymentDirInfo = new DirectoryInfo(instance.Properties.Directory);
DirectorySecurity deploymentDirSecurity = deploymentDirInfo.GetAccessControl();
// Owner is important to account for disk quota
deploymentDirSecurity.SetOwner(new NTAccount(instance.Properties.WindowsUserName));
deploymentDirSecurity.SetAccessRule(
new FileSystemAccessRule(
instance.Properties.WindowsUserName,
FileSystemRights.Write | FileSystemRights.Read | FileSystemRights.Delete | FileSystemRights.Modify | FileSystemRights.FullControl,
InheritanceFlags.ContainerInherit | InheritanceFlags.ObjectInherit,
PropagationFlags.None | PropagationFlags.InheritOnly,
AccessControlType.Allow));
// Taking ownership of a file has to be executed with restore privilege elevated privilages
using (new ProcessPrivileges.PrivilegeEnabler(Process.GetCurrentProcess(), ProcessPrivileges.Privilege.Restore))
{
deploymentDirInfo.SetAccessControl(deploymentDirSecurity);
}
// Impersonate user to cascade the owernship to every file
// Neccessary for windows disk quota
using (new UserImpersonator(instance.Properties.WindowsUserName, ".", instance.Properties.WindowsPassword, true))
{
DEAUtilities.ExtractArchive(tarZipFile, instanceDir);
}
Logger.Debug(Strings.TookXSecondsToStageTheApp, DateTime.Now - startStageing);
}
}
