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Merge pull request #453 from CMeza99/compress_qcow

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Compress QCOW2 when shrinking
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Anders Ingemann 2018-02-11 11:19:38 +01:00 • committed by GitHub
commit f05c2650d1
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1 changed files with 6 additions and 2 deletions
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8
bootstrapvz/plugins/minimize_size/tasks/shrink.py
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@ -70,6 +70,10 @@ class ShrinkVolumeWithQemuImg(Task):
@classmethod
def run(cls, info):
tmp_name = os.path.join(info.workspace, 'shrunk.' + info.volume.extension)
log_check_call(
['qemu-img', 'convert', '-O', info.volume.extension, info.volume.image_path, tmp_name])
shrink_cmd = ['qemu-img', 'convert', '-O', info.volume.extension, info.volume.image_path, tmp_name]
# Compress QCOW2 image when shrinking
if info.volume.extension == 'qcow2':
# '-c' indicates that target image must be compressed (qcow format only)
shrink_cmd.insert(4, '-c')
log_check_call(shrink_cmd)
os.rename(tmp_name, info.volume.image_path)