<s> """<STR_LIT>""" <EOL> import os <EOL> from nova . compute import task_states <EOL> from nova import exception <EOL> from nova . image import glance <EOL> from nova import utils <EOL> from os_win import exceptions as os_win_exc <EOL> from os_win import utilsfactory <EOL> from oslo_log import log as logging <EOL> from hyperv . i18n import _LE <EOL> from hyperv . nova import pathutils <EOL> LOG = logging . getLogger ( __name__ ) <EOL> class SnapshotOps ( object ) : <EOL> def __init__ ( self ) : <EOL> self . _pathutils = pathutils . PathUtils ( ) <EOL> self . _vmutils = utilsfactory . get_vmutils ( ) <EOL> self . _vhdutils = utilsfactory . get_vhdutils ( ) <EOL> def _save_glance_image ( self , context , image_id , image_vhd_path ) : <EOL> ( glance_image_service , <EOL> image_id ) = glance . get_remote_image_service ( context , image_id ) <EOL> image_metadata = { "<STR_LIT>" : False , <EOL> "<STR_LIT>" : "<STR_LIT>" , <EOL> "<STR_LIT>" : "<STR_LIT>" , <EOL> "<STR_LIT>" : { } } <EOL> with self . _pathutils . open ( image_vhd_path , '<STR_LIT:rb>' ) as f : <EOL> glance_image_service . update ( context , image_id , image_metadata , f ) <EOL> def snapshot ( self , context , instance , image_id , update_task_state ) : <EOL> @ utils . synchronized ( instance . uuid ) <EOL> def instance_synchronized_snapshot ( ) : <EOL> self . _snapshot ( context , instance , image_id , update_task_state ) <EOL> try : <EOL> instance_synchronized_snapshot ( ) <EOL> except os_win_exc . HyperVVMNotFoundException : <EOL> raise exception . InstanceNotFound ( instance_id = instance . uuid ) <EOL> def _snapshot ( self , context , instance , image_id , update_task_state ) : <EOL> """<STR_LIT>""" <EOL> instance_name = instance . name <EOL> LOG . debug ( "<STR_LIT>" , instance_name ) <EOL> snapshot_path = self . _vmutils . take_vm_snapshot ( instance_name ) <EOL> update_task_state ( task_state = task_states . IMAGE_PENDING_UPLOAD ) <EOL> export_dir = None <EOL> try : <EOL> src_vhd_path = self . _pathutils . lookup_root_vhd_path ( instance_name ) <EOL> LOG . debug ( "<STR_LIT>" , src_vhd_path ) <EOL> src_base_disk_path = self . _vhdutils . get_vhd_parent_path ( <EOL> src_vhd_path ) <EOL> export_dir = self . _pathutils . get_export_dir ( instance_name ) <EOL> dest_vhd_path = os . path . join ( export_dir , os . path . basename ( <EOL> src_vhd_path ) ) <EOL> LOG . debug ( '<STR_LIT>' , <EOL> { '<STR_LIT>' : src_vhd_path , <EOL> '<STR_LIT>' : dest_vhd_path } ) <EOL> self . _pathutils . copyfile ( src_vhd_path , dest_vhd_path ) <EOL> image_vhd_path = None <EOL> if not src_base_disk_path : <EOL> image_vhd_path = dest_vhd_path <EOL> else : <EOL> basename = os . path . basename ( src_base_disk_path ) <EOL> dest_base_disk_path = os . path . join ( export_dir , basename ) <EOL> LOG . debug ( '<STR_LIT>' <EOL> '<STR_LIT>' , <EOL> { '<STR_LIT>' : src_vhd_path , <EOL> '<STR_LIT>' : dest_base_disk_path } ) <EOL> self . _pathutils . copyfile ( src_base_disk_path , <EOL> dest_base_disk_path ) <EOL> LOG . debug ( "<STR_LIT>" <EOL> "<STR_LIT>" <EOL> "<STR_LIT>" , <EOL> { '<STR_LIT>' : dest_base_disk_path , <EOL> '<STR_LIT>' : dest_vhd_path } ) <EOL> self . _vhdutils . reconnect_parent_vhd ( dest_vhd_path , <EOL> dest_base_disk_path ) <EOL> LOG . debug ( "<STR_LIT>" , <EOL> dest_vhd_path ) <EOL> self . _vhdutils . merge_vhd ( dest_vhd_path ) <EOL> image_vhd_path = dest_base_disk_path <EOL> LOG . debug ( "<STR_LIT>" <EOL> "<STR_LIT>" , <EOL> { '<STR_LIT>' : image_id , '<STR_LIT>' : image_vhd_path } ) <EOL> update_task_state ( task_state = task_states . IMAGE_UPLOADING , <EOL> expected_state = task_states . IMAGE_PENDING_UPLOAD ) <EOL> self . _save_glance_image ( context , image_id , image_vhd_path ) <EOL> LOG . debug ( "<STR_LIT>" <EOL> "<STR_LIT>" , <EOL> { '<STR_LIT>' : image_id , '<STR_LIT>' : instance_name } ) <EOL> finally : <EOL> try : <EOL> LOG . debug ( "<STR_LIT>" , image_id ) <EOL> self . _vmutils . remove_vm_snapshot ( snapshot_path ) <EOL> except Exception : <EOL> LOG . exception ( _LE ( '<STR_LIT>' ) , <EOL> instance_name , instance = instance ) <EOL> if export_dir : <EOL> LOG . debug ( '<STR_LIT>' , export_dir ) <EOL> self . _pathutils . rmtree ( export_dir ) </s>
