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annotate supervisoradmin/add.py @ 1:ca51502dc8d3

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basic template interpolation; we could do so much more!
author Jeff Hammel <k0scist@gmail.com>
date Tue, 27 Jan 2015 15:33:25 -0800
parents e58db0f06ed8
children 350e4298e116
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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 add supervisor jobs
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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 os
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11 import shlex
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12 import subprocess
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13 import sys
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14 import time
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15
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16 # module globals
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17 __all__ = ['main', 'SupervisorAdminParser']
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18 SUPERVISOR_CONF_DIR = '/etc/supervisor/conf.d'
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20 template = """[program:{name}]
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21 command={command}
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22 autorestart=true
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23 redirect_stderr=true
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24 startretries=3
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25 stopasgroup=true
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26 user={user}
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27 """
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28
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29 class SupervisorAdminParser(argparse.ArgumentParser):
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30 """CLI option parser"""
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31 def __init__(self, **kwargs):
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32 kwargs.setdefault('formatter_class', argparse.RawTextHelpFormatter)
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33 kwargs.setdefault('description', __doc__)
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34 argparse.ArgumentParser.__init__(self, **kwargs)
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35 self.add_argument('command',
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36 help="command to add")
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37 self.add_argument('-n', '--name', dest='name',
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38 help="name of program; by default taken from command")
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39 self.add_argument('-u', '--user', dest='user', default='ubuntu',
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40 help="run program as this user [DEFAULT: %(default)s]")
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41 self.options = None
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42
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43 def parse_args(self, *args, **kw):
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44 options = argparse.ArgumentParser.parse_args(self, *args, **kw)
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45 self.validate(options)
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46 self.options = options
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47 return options
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48
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49 def validate(self, options):
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50 """validate options"""
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51
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52 def main(args=sys.argv[1:]):
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53 """CLI"""
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54
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55 # parse command line options
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56 parser = SupervisorAdminParser()
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57 options = parser.parse_args(args)
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59 # get command
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60 command = shlex.split(options.command)
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61 if not command:
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62 parser.error("Please supply a command")
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63
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64 # name
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65 name = options.name or os.path.basename(command[0])
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67 print (template.format(name=name,
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68 user=options.user,
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69 command=options.command))
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71 if __name__ == '__main__':
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72 main()
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