Commit eed9c4e8 by Guba Sándor

driver: added make_free_space function

parent 41d42a18
......@@ -91,3 +91,25 @@ def move_to_trash(datastore, disk_name):
#TODO: trash dir configurable?
move(disk_path, trash_path)
def make_free_space(datastore, percent=10):
''' Check for free space on datastore.
If free space is less than the given percent
removes oldest files to satisfy the given requirement.
trash_path = path.join(datastore, trash_directory)
files = sorted(listdir(trash_path),
key=lambda x: path.getctime(path.join(trash_path, x)))"Free space on datastore: %s" %
while get_storage_stat(trash_path).get('free_percent') < percent:
f = files.pop(0)
unlink(path.join(trash_path, f))'Image: %s removed.' % f)
except IndexError:
raise Exception("Trash folder is empty.")
return True
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