annotate python/k8sdecode.py @ 808:48ea50d346de

comment re dependency
author Jeff Hammel <k0scist@gmail.com>
date Fri, 28 Oct 2016 17:10:27 -0700
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1 #!/usr/bin/env python
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2 # -*- coding: utf-8 -*-
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3
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4 """
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5 get a kubernetes secret and decode it
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6 """
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7
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8 # imports
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9 import argparse
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10 import base64
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11 import json
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12 import os
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13 import subprocess
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14 import sys
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15
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16
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17 def main(args=sys.argv[1:]):
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18 """CLI"""
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19
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20 # parse command line
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21 parser = argparse.ArgumentParser(description=__doc__)
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22 parser.add_argument('secret',
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23 help="k8s secret name")
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24 options = parser.parse_args(args)
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25
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26 # get JSON from `kubectl`
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27 command = ['kubectl', 'get', 'secret', options.secret, '-o', 'json']
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28 try:
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29 output = subprocess.check_output(command)
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30 except subprocess.CalledProcessError as e:
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31 print (e)
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32 sys.exit(e.returncode)
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33 data = json.loads(output)['data']
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34
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35 # decode them
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36 output = {key: base64.b64decode(value)
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37 for key, value in data.items()}
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38
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39 # output them
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40 print (json.dumps(output, indent=2, sort_keys=True))
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41
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42
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43 if __name__ == '__main__':
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44 main()