/// <summary>
/// Unmounts the specified mount.
/// </summary>
/// <param name="mount">The mount.</param>
internal void OnUnmount(LinuxMount mount)
{
if (mount == null)
{
throw new ArgumentNullException(nameof(mount));
}
_logger.LogInformation(
"[{0}] Attempting to unmount ISO [{1}] mounted on [{2}].",
Name,
mount.IsoPath,
mount.MountedPath);
string cmdArguments;
string cmdFilename;
if (GetUID() == 0)
{
cmdFilename = UnmountCommand;
cmdArguments = string.Format(
CultureInfo.InvariantCulture,
"\"{0}\"",
mount.MountedPath);
}
else
{
cmdFilename = SudoCommand;
cmdArguments = string.Format(
CultureInfo.InvariantCulture,
"\"{0}\" \"{1}\"",
UnmountCommand,
mount.MountedPath);
}
_logger.LogDebug(
"[{0}] Umount command [{1}], umount arguments [{2}].",
Name,
cmdFilename,
cmdArguments);
int exitcode = ExecuteCommand(cmdFilename, cmdArguments);
if (exitcode == 0)
{
_logger.LogInformation(
"[{0}] ISO unmount completed successfully.",
Name);
}
else
{
_logger.LogInformation(
"[{0}] ISO unmount completed with errors.",
Name);
}
try
{
Directory.Delete(mount.MountedPath, false);
}
catch (Exception ex)
{
_logger.LogError(ex, "[{Name}] Unhandled exception removing mount point.", Name);
throw;
}
throw new ExternalException("Mount command failed", exitcode);
}
private void UnmountISO(LinuxMount mount)
{
string cmdArguments;
string cmdFilename;
if (mount != null)
{
_logger.LogInformation(
"[{0}] Attempting to unmount ISO [{1}] mounted on [{2}].",
Name,
mount.IsoPath,
mount.MountedPath
);
}
else
{
throw new ArgumentNullException(nameof(mount));
}
if (GetUID() == 0)
{
cmdFilename = UmountCommand;
cmdArguments = string.Format("\"{0}\"", mount.MountedPath);
}
else
{
cmdFilename = SudoCommand;
cmdArguments = string.Format("\"{0}\" \"{1}\"", UmountCommand, mount.MountedPath);
}
_logger.LogDebug(
"[{0}] Umount command [{1}], umount arguments [{2}].",
Name,
cmdFilename,
cmdArguments
);
if (ExecuteCommand(cmdFilename, cmdArguments))
{
_logger.LogInformation(
"[{0}] ISO unmount completed successfully.",
Name
);
}
else
{
_logger.LogInformation(
"[{0}] ISO unmount completed with errors.",
Name
);
}
try
{
Directory.Delete(mount.MountedPath, false);
}
catch (Exception ex)
{
_logger.LogInformation(ex, "[{Name}] Unhandled exception removing mount point.", Name);
}
}
internal void OnUnmount(LinuxMount mount)
{
UnmountISO(mount);
}
private bool MountISO(string isoPath, out LinuxMount mountedISO)
{
string cmdArguments;
string cmdFilename;
string mountPoint = Path.Combine(MountPointRoot, Guid.NewGuid().ToString());
if (!string.IsNullOrEmpty(isoPath))
{
_logger.LogInformation(
"[{Name}] Attempting to mount [{Path}].",
Name,
isoPath
);
_logger.LogDebug(
"[{Name}] ISO will be mounted at [{Path}].",
Name,
mountPoint
);
}
else
{
throw new ArgumentNullException(nameof(isoPath));
}
try
{
Directory.CreateDirectory(mountPoint);
}
catch (UnauthorizedAccessException)
{
throw new IOException("Unable to create mount point(Permission denied) for " + isoPath);
}
catch (Exception)
{
throw new IOException("Unable to create mount point for " + isoPath);
}
if (GetUID() == 0)
{
cmdFilename = MountCommand;
cmdArguments = string.Format("\"{0}\" \"{1}\"", isoPath, mountPoint);
}
else
{
cmdFilename = SudoCommand;
cmdArguments = string.Format("\"{0}\" \"{1}\" \"{2}\"", MountCommand, isoPath, mountPoint);
}
_logger.LogDebug(
"[{0}] Mount command [{1}], mount arguments [{2}].",
Name,
cmdFilename,
cmdArguments
);
if (ExecuteCommand(cmdFilename, cmdArguments))
{
_logger.LogInformation(
"[{0}] ISO mount completed successfully.",
Name
);
mountedISO = new LinuxMount(this, isoPath, mountPoint);
}
else
{
_logger.LogInformation(
"[{0}] ISO mount completed with errors.",
Name
);
try
{
Directory.Delete(mountPoint, false);
}
catch (Exception ex)
{
_logger.LogInformation(ex, "[{Name}] Unhandled exception removing mount point.", Name);
}
mountedISO = null;
}
return(mountedISO != null);
}
