/// <summary>
/// Cleans up the application.
/// </summary>
/// <param name="applicationPath">The path.</param>
public void CleanupApplication(string applicationPath)
{
// Remove the uhurufs servers from the system host file.
var services = this.parsedData.GetServices();
foreach (ApplicationService serv in services)
{
if (serv.ServiceLabel.StartsWith("uhurufs", StringComparison.Ordinal))
{
string shareHost = GenerateUhurufsHost(this.parsedData.AppInfo.InstanceId, serv.InstanceName, serv.User);
string remotePath = string.Format(CultureInfo.InvariantCulture, @"\\{0}\{1}", shareHost, serv.InstanceName);
SambaWindowsClient.Unmount(remotePath);
SystemHosts.TryRemove(shareHost);
}
}
Cleanup(applicationPath);
}
/// <summary>
/// Persists a resource on a mounted share, and then links it.
/// This method will make sure the folder and file structure remains the same on the local file system, while also persisting data on a share.
/// </summary>
/// <param name="instancePath">The directory considered to be the "root" of the resources that have to be persisted.</param>
/// <param name="persistentItem">The directory or file that has to be persisted.</param>
/// <param name="mountPath">The mounted directory that points to a share.</param>
private void PersistFileSystemItem(string instancePath, string persistentItem, string mountPath)
{
if (string.IsNullOrEmpty(instancePath))
{
throw new ArgumentNullException("instancePath");
}
if (string.IsNullOrEmpty(persistentItem))
{
throw new ArgumentNullException("instancePath");
}
if (string.IsNullOrEmpty(mountPath))
{
throw new ArgumentNullException("instancePath");
}
string mountItem = Path.Combine(mountPath, persistentItem);
string instanceItem = Path.Combine(instancePath, persistentItem);
bool isDirectory, isFile;
using (new UserImpersonator(this.parsedData.AppInfo.WindowsUserName, ".", this.parsedData.AppInfo.WindowsPassword, true))
{
isDirectory = Directory.Exists(mountItem) || Directory.Exists(instanceItem);
if (isDirectory)
{
Directory.CreateDirectory(mountItem);
Directory.CreateDirectory(instanceItem);
CopyFolderRecursively(instanceItem, mountItem);
try
{
Directory.Delete(instanceItem, true);
}
catch (DirectoryNotFoundException)
{
}
}
}
if (isDirectory)
{
// Creating links without an admin user is not allowed by default
// ExecuteCommand("mklink" + " /d " + instanceItem + " " + mountItem);
SambaWindowsClient.CreateDirectorySymbolicLink(instanceItem, mountItem);
}
using (new UserImpersonator(this.parsedData.AppInfo.WindowsUserName, ".", this.parsedData.AppInfo.WindowsPassword, true))
{
isFile = File.Exists(mountItem) || File.Exists(instanceItem);
if (isFile)
{
Directory.CreateDirectory(new DirectoryInfo(mountItem).Parent.FullName);
Directory.CreateDirectory(new DirectoryInfo(instanceItem).Parent.FullName);
try
{
File.Copy(instanceItem, mountItem);
}
catch (IOException)
{
}
try
{
File.Delete(instanceItem);
}
catch (DirectoryNotFoundException)
{
}
}
}
if (isFile)
{
// Creating links without an admin user is not allowed by default
// ExecuteCommand("mklink" + " " + instanceItem + " " + mountItem);
SambaWindowsClient.CreateFileSymbolicLink(instanceItem, mountItem);
}
}
private void AutowireUhurufs(ApplicationInfo appInfo, ApplicationVariable[] variables, ApplicationService[] services, string homeAppPath)
{
this.startupLogger.Info(Strings.StartingApplicationAutoWiring);
Dictionary <string, HashSet <string> > persistentFiles = new Dictionary <string, HashSet <string> >();
foreach (ApplicationVariable var in variables)
{
if (var.Name.StartsWith("uhurufs_", StringComparison.Ordinal))
{
string serviceName = var.Name.Split(new string[] { "uhurufs_" }, 2, StringSplitOptions.RemoveEmptyEntries)[0];
if (!persistentFiles.ContainsKey(serviceName))
{
persistentFiles[serviceName] = new HashSet <string>();
}
string[] persistedItems = var.Value.Trim(new char[] { '"' }).Split(new char[] { ';', ',', ':' });
foreach (string item in persistedItems)
{
persistentFiles[serviceName].Add(item.Replace('/', '\\'));
}
}
}
foreach (ApplicationService serv in services)
{
if (serv.ServiceLabel.StartsWith("uhurufs", StringComparison.Ordinal))
{
string shareHost = GenerateUhurufsHost(appInfo.InstanceId, serv.InstanceName, serv.User);
try
{
if (!SystemHosts.Exists(shareHost))
{
// Note: delete the host after the app is deleted
SystemHosts.Add(shareHost, serv.Host);
}
}
catch (ArgumentException)
{
// If the service host cannot be added to hosts connect
shareHost = serv.Host;
}
string remotePath = string.Format(CultureInfo.InvariantCulture, @"\\{0}\{1}", shareHost, serv.InstanceName);
string mountPath = GenerateMountPath(homeAppPath, serv.Name);
Directory.CreateDirectory(Path.Combine(mountPath, @".."));
// Add the share users credentials to the application user.
// This way the application can use the share directly without invoking `net use` with the credentials.
using (new UserImpersonator(appInfo.WindowsUserName, ".", appInfo.WindowsPassword, true))
{
SaveCredentials.AddDomainUserCredential(shareHost, serv.User, serv.Password);
}
// The impersonated user cannot create links
// Note: unmount the share after the app is deleted
SambaWindowsClient.Mount(remotePath, serv.User, serv.Password);
SambaWindowsClient.LinkDirectory(remotePath, mountPath);
if (persistentFiles.ContainsKey(serv.Name))
{
foreach (string fileSystemItem in persistentFiles[serv.Name])
{
try
{
this.PersistFileSystemItem(appInfo.Path, fileSystemItem, Path.Combine(mountPath, appInfo.Name));
}
catch (Exception ex)
{
this.startupLogger.Error("Failed linking file/directory: {0}. Exception: {1}", fileSystemItem, ex.ToString());
}
}
}
}
}
}
