21 lines
620 B
Python
21 lines
620 B
Python
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#!/usr/bin/env python
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"""Generate a docker 1.0-style manifest for a docker image."""
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import json, os, subprocess, sys, time
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j = json.load(open('template.json'))
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layerid = open(sys.argv[1] + '.list.sha256').read().strip()
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j['id'] = layerid
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if len(sys.argv) > 2 and sys.argv[2]:
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parentid = open(sys.argv[2] + '.list.sha256').read().strip()
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j['parent'] = parentid
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t = time.time()
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gt = time.gmtime(t)
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nsec = int(t * 1e9) % 1000000000
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j['created'] = time.strftime('%Y-%m-%dT%H:%M:%S', gt) + ('.%09dZ' % nsec)
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nbytes = os.stat(sys.argv[1] + '.layer').st_size
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j['Size'] = nbytes
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json.dump(j, sys.stdout, indent=2)
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