Source Code for Module ZenUtils.ZenPackDaemons

 1  ########################################################################### 
 2  # 
 3  # This program is part of Zenoss Core, an open source monitoring platform. 
 4  # Copyright (C) 2008, Zenoss Inc. 
 5  # 
 6  # This program is free software; you can redistribute it and/or modify it 
 7  # under the terms of the GNU General Public License version 2 as published by 
 8  # the Free Software Foundation. 
 9  # 
10  # For complete information please visit: http://www.zenoss.com/oss/ 
11  # 
12  ########################################################################### 
13   
14  __doc__ = "Manage ZenPack-provided daemons" 
15   
16  import Globals 
17  import os 
18   
19  from Products.ZenUtils.PkgResources import pkg_resources 
20   
21  from Products.ZenUtils.CmdBase import CmdBase 
22  from Products.ZenUtils.ZenPackCmd import ZENPACK_ENTRY_POINT 
23  from Products.ZenModel.ZenPackLoader import ZPLDaemons 
24  from Products.ZenUtils.Utils import zenPath 
25   
26   
27 -def NameZenPackDaemons(zenPackId=None): 
28      """ 
29      Return a list of the names of the daemons provided by the given ZenPack.   
30      If no ZenPack is specified then list all daemons provided by all ZenPacks. 
31      """ 
32      dList = [] 
33      zpl = ZPLDaemons() 
34      # Get daemons from egg based ZenPacks 
35      for entry in pkg_resources.iter_entry_points(ZENPACK_ENTRY_POINT): 
36          module = entry.load() 
37          dList += zpl.list(os.path.dirname(module.__file__), None) 
38      # Get daemons from non-egg ZenPacks 
39      prodDir = zenPath('Products') 
40      for item in os.listdir(prodDir): 
41          if not item.startswith('.'): 
42              dList += zpl.list(os.path.join(prodDir, item), None) 
43      return dList 
44   
45   
46 -class ZenPackDaemons(CmdBase): 
47      """ 
48      Utilities for handling ZenPack-provided daemons 
49      """ 
50   
51 -    def run(self): 
52          """ 
53          Execute the user's request. 
54          """ 
55   
56          if self.options.list: 
57              dList = NameZenPackDaemons() 
58              if dList: 
59                  print '\n'.join(dList) 
60          else: 
61              self.parser.print_help() 
62   
63   
64 -    def buildOptions(self): 
65          self.parser.add_option('--list', 
66                                 dest='list', 
67                                 default=False, 
68                                 action='store_true', 
69                                 help='List the names of ZenPack-supplied daemons' 
70                                 ) 
71          CmdBase.buildOptions(self) 
72   
73   
74  if __name__ == '__main__': 
75      zp = ZenPackDaemons() 
76      zp.run() 
77