forked from mirrors/nixpkgs
41 lines
907 B
Python
41 lines
907 B
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Deterministic layer json: https://github.com/docker/hub-feedback/issues/488
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import sys
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reload(sys)
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sys.setdefaultencoding('UTF8')
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import json
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# If any of the keys below are equal to a certain value
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# then we can delete it because it's the default value
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SAFEDELS = {
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"Size": 0,
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"config": {
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"ExposedPorts": None,
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"MacAddress": "",
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"NetworkDisabled": False,
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"PortSpecs": None,
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"VolumeDriver": ""
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}
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}
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SAFEDELS["container_config"] = SAFEDELS["config"]
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def makedet(j, safedels):
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for k,v in safedels.items():
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if k not in j:
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continue
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if type(v) == dict:
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makedet(j[k], v)
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elif j[k] == v:
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del j[k]
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def main():
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j = json.load(sys.stdin)
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makedet(j, SAFEDELS)
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json.dump(j, sys.stdout, sort_keys=True)
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if __name__ == '__main__':
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main()
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