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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 compare package versions across nodes:
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6
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7 $ sudo rpm -q --qf "%{VERSION}" python-requests
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8 2.6.0
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9 """
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10
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11
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12 # imports
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13 import argparse
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14 import json
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15 import kcl
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16 import sys
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17
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18
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19 def main(args=sys.argv[1:]):
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20 """CLI"""
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21
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22 # parse command line
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23 parser = argparse.ArgumentParser(description=__doc__)
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24 parser.add_argument('salt_master')
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25 parser.add_argument('package')
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26 parser.add_argument('--group', dest='group',
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27 action='store_true', default=False,
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28 help="group hosts by versions")
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29 options = parser.parse_args(args)
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30
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31 # instantiate API
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32 salt = kcl.KCl(options.salt_master)
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33
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34 # get versions
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35 command = 'rpm -q --qf "%{VERSION}" ' + options.package
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36 code, versions = salt.run(command)
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37
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38 # output
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39 if options.group:
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40 # group host by package versions
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41 group = {}
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42 for host, version in versions.items():
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43 group.setdefault(version, []).append(host)
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44 print (json.dumps(group, indent=2, sort_keys=True))
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45 else:
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46 print (json.dumps(versions, indent=2, sort_keys=True))
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47
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48 sys.exit(code)
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49
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50 if __name__ == '__main__':
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51 main()
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