def reap_tmp_images(self):
""" Clean up unused directories in the temp image folder. """
for ds in self._ds_manager.get_datastores():
for image_dir in list_top_level_directory(ds.id, TMP_IMAGE_FOLDER_NAME_PREFIX):
if not os.path.isdir(image_dir):
continue
create_time = os.stat(image_dir).st_ctime
current_time = time.time()
if current_time - self.REAP_TMP_IMAGES_GRACE_PERIOD < create_time:
# Skip folders that are newly created in past x minutes
# For example, during host-to-host transfer, hostd on
# receiving end stores the uploaded file in temp images
# folder but does not lock it with FileBackedLock, so we
# need to allow a grace period before reaping it.
self._logger.info("Skip folder: %s, created: %s, now: %s" % (image_dir, create_time, current_time))
continue
try:
with FileBackedLock(image_dir, ds.type):
if os.path.exists(image_dir):
self._logger.info("Delete folder %s" % image_dir)
shutil.rmtree(image_dir, ignore_errors=True)
except (AcquireLockFailure, InvalidFile):
self._logger.info("Already locked: %s, skipping" % image_dir)
except:
self._logger.info("Unable to remove %s" % image_dir, exc_info=True)
def reap_tmp_images(self):
""" Clean up unused directories in the temp image folder. """
for ds in self._ds_manager.get_datastores():
for image_dir in list_top_level_directory(ds.id, TMP_IMAGE_FOLDER_NAME_PREFIX):
if not os.path.isdir(image_dir):
continue
create_time = os.stat(image_dir).st_ctime
current_time = time.time()
if current_time - self.REAP_TMP_IMAGES_GRACE_PERIOD < create_time:
# Skip folders that are newly created in past x minutes
# For example, during host-to-host transfer, hostd on
# receiving end stores the uploaded file in temp images
# folder but does not lock it with FileBackedLock, so we
# need to allow a grace period before reaping it.
self._logger.info("Skip folder: %s, created: %s, now: %s" % (image_dir, create_time, current_time))
continue
try:
with FileBackedLock(image_dir, ds.type):
if os.path.exists(image_dir):
self._logger.info("Delete folder %s" % image_dir)
shutil.rmtree(image_dir, ignore_errors=True)
except (AcquireLockFailure, InvalidFile):
self._logger.info("Already locked: %s, skipping" % image_dir)
except:
self._logger.info("Unable to remove %s" % image_dir, exc_info=True)
def get_images(self, datastore):
""" Get image list from datastore
:param datastore: datastore id
:return: list of string, image id list
"""
image_ids = []
if not os.path.exists(os_datastore_root(datastore)):
raise DatastoreNotFoundException()
# image_folder is /vmfs/volumes/${datastore}/images_*
for dir in list_top_level_directory(datastore, IMAGE_FOLDER_NAME_PREFIX):
image_id = dir.split(COMPOND_PATH_SEPARATOR)[1]
if self.check_image(image_id, datastore):
image_ids.append(image_id)
return image_ids
def get_images(self, datastore):
""" Get image list from datastore
:param datastore: datastore id
:return: list of string, image id list
"""
image_ids = []
if not os.path.exists(os_datastore_root(datastore)):
raise DatastoreNotFoundException()
# image_folder is /vmfs/volumes/${datastore}/images_*
for dir in list_top_level_directory(datastore, IMAGE_FOLDER_NAME_PREFIX):
image_id = dir.split(COMPOND_PATH_SEPARATOR)[1]
if self.check_image(image_id, datastore):
image_ids.append(image_id)
return image_ids
def _list_top_level_directory(self, datastore, folder_prefix):
return list_top_level_directory(datastore, folder_prefix)
def _list_top_level_directory(self, datastore, folder_prefix):
return list_top_level_directory(datastore, folder_prefix)
