def upload_volume(context, image_service, image_meta, volume_path):
image_id = image_meta['id']
if (image_meta['disk_format'] == 'raw'):
LOG.debug("%s was raw, no need to convert to %s" %
(image_id, image_meta['disk_format']))
with utils.temporary_chown(volume_path):
with utils.file_open(volume_path) as image_file:
image_service.update(context, image_id, {}, image_file)
return
if (FLAGS.image_conversion_dir and not
os.path.exists(FLAGS.image_conversion_dir)):
os.makedirs(FLAGS.image_conversion_dir)
fd, tmp = tempfile.mkstemp(dir=FLAGS.image_conversion_dir)
os.close(fd)
with utils.remove_path_on_error(tmp):
LOG.debug("%s was raw, converting to %s" %
(image_id, image_meta['disk_format']))
convert_image(volume_path, tmp, image_meta['disk_format'])
data = qemu_img_info(tmp)
if data.file_format != image_meta['disk_format']:
raise exception.ImageUnacceptable(
image_id=image_id,
reason=_("Converted to %(f1)s, but format is now %(f2)s") %
{'f1': image_meta['disk_format'], 'f2': data.file_format})
with utils.file_open(tmp) as image_file:
image_service.update(context, image_id, {}, image_file)
os.unlink(tmp)
def upload_volume(context, image_service, image_meta, volume_path):
image_id = image_meta['id']
if (image_meta['disk_format'] == 'raw'):
LOG.debug("%s was raw, no need to convert to %s" %
(image_id, image_meta['disk_format']))
with utils.temporary_chown(volume_path):
with utils.file_open(volume_path) as image_file:
image_service.update(context, image_id, {}, image_file)
return
if (FLAGS.image_conversion_dir and not
os.path.exists(FLAGS.image_conversion_dir)):
os.makedirs(FLAGS.image_conversion_dir)
fd, tmp = tempfile.mkstemp(dir=FLAGS.image_conversion_dir)
os.close(fd)
with utils.remove_path_on_error(tmp):
LOG.debug("%s was raw, converting to %s" %
(image_id, image_meta['disk_format']))
convert_image(volume_path, tmp, image_meta['disk_format'])
data = qemu_img_info(tmp)
if data.file_format != image_meta['disk_format']:
raise exception.ImageUnacceptable(
image_id=image_id,
reason=_("Converted to %(f1)s, but format is now %(f2)s") %
{'f1': image_meta['disk_format'], 'f2': data.file_format})
with utils.file_open(tmp) as image_file:
image_service.update(context, image_id, {}, image_file)
os.unlink(tmp)
def backup_volume(self, context, backup, backup_service):
"""Create a new backup from an existing volume."""
volume = self.db.volume_get(context, backup['volume_id'])
volume_path = self.local_path(volume)
with utils.temporary_chown(volume_path):
with utils.file_open(volume_path) as volume_file:
backup_service.backup(backup, volume_file)
def backup_volume(self, context, backup, backup_service):
"""Create a new backup from an existing volume."""
volume = self.db.volume_get(context, backup["volume_id"])
volume_path = self.local_path(volume)
with utils.temporary_chown(volume_path):
with utils.file_open(volume_path) as volume_file:
backup_service.backup(backup, volume_file)
def copy_image_to_volume(self, context, volume, image_service, image_id):
"""Fetch the image from image_service and write it to the volume."""
LOG.debug(_('copy_image_to_volume %s.') % volume['name'])
initiator = get_iscsi_initiator()
connector = {}
connector['initiator'] = initiator
iscsi_properties, volume_path = self._attach_volume(
context, volume, connector)
with utils.temporary_chown(volume_path):
with utils.file_open(volume_path, "wb") as image_file:
image_service.download(context, image_id, image_file)
self.terminate_connection(volume, connector)
def copy_volume_to_image(self, context, volume, image_service, image_meta):
"""Copy the volume to the specified image."""
LOG.debug(_('copy_volume_to_image %s.') % volume['name'])
initiator = get_iscsi_initiator()
connector = {}
connector['initiator'] = initiator
iscsi_properties, volume_path = self._attach_volume(
context, volume, connector)
with utils.temporary_chown(volume_path):
with utils.file_open(volume_path) as volume_file:
image_service.update(context, image_meta['id'], {},
volume_file)
self.terminate_connection(volume, connector)
def copy_volume_to_image(self, context, volume, image_service, image_id):
"""Copy the volume to the specified image."""
volume_path = self.local_path(volume)
with utils.temporary_chown(volume_path):
with utils.file_open(volume_path) as volume_file:
image_service.update(context, image_id, {}, volume_file)
def copy_image_to_volume(self, context, volume, image_service, image_id):
"""Fetch the image from image_service and write it to the volume."""
volume_path = self.local_path(volume)
with utils.temporary_chown(volume_path):
with utils.file_open(volume_path, "wb") as image_file:
image_service.download(context, image_id, image_file)
def copy_volume_to_image(self, context, volume, image_service, image_id):
"""Copy the volume to the specified image."""
volume_path = self.local_path(volume)
with utils.temporary_chown(volume_path):
with utils.file_open(volume_path) as volume_file:
image_service.update(context, image_id, {}, volume_file)
def copy_image_to_volume(self, context, volume, image_service, image_id):
"""Fetch the image from image_service and write it to the volume."""
volume_path = self.local_path(volume)
with utils.temporary_chown(volume_path):
with utils.file_open(volume_path, "wb") as image_file:
image_service.download(context, image_id, image_file)
def restore_backup(self, context, backup, volume, backup_service):
"""Restore an existing backup to a new or existing volume."""
volume_path = self.local_path(volume)
with utils.temporary_chown(volume_path):
with utils.file_open(volume_path, 'wb') as volume_file:
backup_service.restore(backup, volume['id'], volume_file)
def restore_backup(self, context, backup, volume, backup_service):
"""Restore an existing backup to a new or existing volume."""
volume_path = self.local_path(volume)
with utils.temporary_chown(volume_path):
with utils.file_open(volume_path, "wb") as volume_file:
backup_service.restore(backup, volume["id"], volume_file)
