ansible_gentooimgr/gentooimgr/shrink.py

16 lines
509 B
Python

import os
import datetime
from subprocess import PIPE, Popen
def shrink(args, config, stamp=None):
if stamp is None:
dt = datetime.datetime.utcnow()
# 0 padded month and day timestamp
stamp = f"{dt.year}-{dt.month:02d}-{dt.day:02d}"
name, ext = os.path.splitext(config.get("imagename") or args.img)
# ext includes the .
filename = f"{name}-{stamp}{ext}"
proc = Popen(["virt-sparsify", "--compress", args.img, filename])
proc.communicate()
return filename