Source Code for Module ZenRelations.checkrel

 1  ########################################################################### 
 2  # 
 3  # This program is part of Zenoss Core, an open source monitoring platform. 
 4  # Copyright (C) 2007, 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  import sys 
15  import logging 
16  logging.basicConfig() 
17  root = logging.getLogger() 
18  root.setLevel(logging.CRITICAL) 
19   
20  import Globals 
21   
22  from utils import importClass, importClasses 
23  from Products.ZenRelations.Exceptions import ZenSchemaError 
24   
25 -def checkRelationshipSchema(cls, baseModule): 
26      """ 
27      Walk all relationship schema definitions and confirm that they 
28      have reciprical peers on the remote class. 
29      """ 
30      for relname, rel in cls._relations: 
31          try: 
32              remoteClass = importClass(rel.remoteClass, None)     
33          except AttributeError, e: 
34              logging.critical("RemoteClass '%s' from '%s.%s' not found", 
35                          rel.remoteClass, cls.__name__, relname) 
36              continue 
37                           
38          try: 
39              rschema = remoteClass.lookupSchema(rel.remoteName) 
40          except ZenSchemaError, e: 
41              logging.critical("Inverse def '%s' for '%s.%s' not found on '%s'", 
42                  rel.remoteName, cls.__name__, relname,rel.remoteClass) 
43              continue 
44          except Exception, e: 
45              logging.critical("RemoteClass '%s' for '%s.%s' problem.", 
46                  rel.remoteName, cls.__name__, relname) 
47              logging.critical(e) 
48          try: 
49              localClass = importClass(rschema.remoteClass, None) 
50          except AttributeError, e: 
51              logging.critical(e) 
52          if not issubclass(cls, localClass): 
53              logging.critical("Inverse def '%s' from '%s.%s' wrong " 
54              "remoteClass: '%s'", rel.remoteName, cls.__name__, 
55                                   relname,rschema.remoteClass) 
56          if rschema.remoteName != relname: 
57              logging.critical("Inverse def '%s' from '%s.%s' wrong " 
58                  "remoteName: '%s'", rel.remoteName, cls.__name__, relname, 
59                                      rschema.remoteName) 
60          if rel.remoteType != rschema.__class__: 
61              logging.critical("'%s.%s' inverse '%s' type %s != %s", 
62                              cls.__name__, relname, rel.remoteName,  
63                              rschema.__class__.__name__, rel.remoteType.__name__) 
64   
65           
66  baseModule = None 
67  if len(sys.argv) > 1: 
68      baseModule = sys.argv[1] 
69       
70  classList = importClasses(basemodule=baseModule,  
71              skipnames=("ZentinelPortal", "ZDeviceLoader")) 
72   
73  for classdef in classList: 
74      if hasattr(classdef, "lookupSchema"): 
75          logging.info("checking class %s...", classdef.__name__) 
76          checkRelationshipSchema(classdef, baseModule) 
77