Source code for dfvfs.volume.lvm_volume_system

# -*- coding: utf-8 -*-
"""The Logical Volume Manager (LVM) volume system."""

from dfvfs.lib import definitions
from dfvfs.volume import factory
from dfvfs.volume import volume_system

[docs] class LVMVolume(volume_system.Volume): """Volume that uses pyvslvm."""
[docs] def __init__(self, file_entry): """Initializes a LVM volume. Args: file_entry (LVMFileEntry): a LVM file entry. """ super(LVMVolume, self).__init__( self._file_entry = file_entry
def _Parse(self): """Extracts attributes and extents from the volume.""" vslvm_logical_volume = self._file_entry.GetLVMLogicalVolume() volume_attribute = volume_system.VolumeAttribute( 'identifier', vslvm_logical_volume.identifier) self._AddAttribute(volume_attribute) # TODO: implement in pyvslvm # TODO: add support for creation time # TODO: add support for logical volume extents volume_extent = volume_system.VolumeExtent(0, vslvm_logical_volume.size) self._extents.append(volume_extent)
[docs] class LVMVolumeSystem(volume_system.VolumeSystem): """Volume system that uses pyvslvm.""" TYPE_INDICATOR = definitions.TYPE_INDICATOR_LVM VOLUME_IDENTIFIER_PREFIX = 'lvm' def _Parse(self): """Extracts sections and volumes from the volume system.""" root_file_entry = self._file_system.GetRootFileEntry() for sub_file_entry in root_file_entry.sub_file_entries: volume = LVMVolume(sub_file_entry) self._AddVolume(volume)