source: vanHelsing/trunk/src/bcfg.py@ 829

Last change on this file since 829 was 829, checked in by tobias, on Mar 4, 2010 at 3:02:13 PM

added a subfolder for the GUI project
modified bcfg.py test case for my bacula configuration files

  • Property svn:keywords set to Id
  • Property svn:mime-type set to text/x-python
File size: 5.2 KB
Line 
1#!/usr/bin/python
2# -*- coding: utf-8 -*-
3"""Classes and functions for configuration file handling
4"""
5
6import sys
7import re
8import resource
9import directive
10
11
12RESOURCE_TYPES = ('dird', 'console', 'filed', 'stored')
13
14rxp_item = re.compile('^\\s*(\\w[\\w ]*\\w+)\\s*\\=(.*)') # xxx = xxx matchen
15rxp_item2 = re.compile('^\\s*(\\w[\\w ]*\\w+)\\s*\\=\\s*{(.*)}\\s*') # match type = { a = 1; b= 2}
16rxp_openbrace = re.compile('^\\s*(\\w[\\w ]*\\w+)\\s*\\=?\\s*\\{\\s*') # match xxx {
17rxp_open = re.compile('^\\s*(\\w[\\w ]*\\w+)\\s*$') # match xxx
18rxp_closebrace = re.compile('[^{]*}.*') # match }
19rxp_comment = re.compile('^\s*#.*')
20
21
22currentConfig = None
23
24#'dird', 'console', 'filed' or 'stored'
25class Config(object):
26 """Class for bacula configuration access"""
27
28 def __init__(self, resource_type, filename=""):
29 self.resource_type = resource_type
30 self.filename = filename
31 self.resources = resource.Root(level=0)
32 self.resources.type="<root>"
33
34 def read(self):
35 self.parse(self.resources,open(self.filename,"r"),0)
36 #print self.resources
37
38 def write(self, filename=None):
39 if(filename==None):
40 filename=self.filename
41 f=open(filename,"w")
42 f.write(str(self.getRoot()))
43 f.close()
44
45 def getRoot(self):
46 return self.resources
47
48 def addResource(self,resname,level,curRes):
49 try:
50 resClass = getattr(resource,resname);
51 except:
52 resClass = resource.Resource
53
54 newRes=resClass(level+1)
55 newRes.type=resname
56 curRes.add_item(newRes);
57 return newRes
58
59 def parse(self,curRes,f,level):
60 #print "START",curRes.type
61
62 while True:
63 line=f.readline()
64 if not line:
65 break
66
67 inlinecomment=None
68
69 commentStart=line.find("#")
70 if commentStart!=-1:
71 inlinecomment=line[commentStart:]
72 line=line[:commentStart].strip()
73 #curRes.add_comment(inlinecomment)
74
75 include=line.strip()
76 if include.startswith("@"):
77 includepath=include[1:].strip()
78 print "include " +includepath
79 self.parse(curRes,open(includepath,"r"),level)
80
81 if rxp_closebrace.match(line):
82 #print "closebraceline"
83 break
84
85 item2 = rxp_item2.match(line)
86 if item2:
87 #print "item2"
88 name = item2.group(1)
89 value = item2.group(2)
90 #print "item:",name,value
91 newRes=resource.Resource(level+1)
92 newRes.type=name
93 newRes.value="{"+value+"}"
94 curRes.add_item(newRes)
95 continue
96
97 openbraceline = rxp_openbrace.match(line)
98 if openbraceline:
99 #print "openbraceline"
100 resname = openbraceline.group(1)
101 newRes=self.addResource(resname,level,curRes)
102 self.parse(newRes,f,level+1);
103 continue
104
105 open = rxp_open.match(line)
106 if open:
107 resname = open.group(1)
108 newRes=self.addResource(resname,level,curRes)
109 self.parse(newRes,f,level+1);
110 continue
111
112 item = rxp_item.match(line)
113 if item:
114 name = item.group(1)
115 value = item.group(2).strip()
116 #print "item:",name,value
117 newRes=resource.Resource(level+1)
118 newRes.type=name
119 newRes.value=value
120 curRes.add_item(newRes)
121 continue
122
123 #print "END",curRes.name
124
125class DirdConfig(Config):
126
127 def __init__(self, filename=""):
128 Config.__init__(self, 'dird', filename)
129
130class ConsoleConfig(Config):
131 pass
132
133class FiledConfig(Config):
134 def __init__(self, filename=""):
135 Config.__init__(self, 'fd', filename)
136
137 def setDefaults(self,directorName,directorPassword,myName):
138 director=resource.Director(1,"Director")
139 director.add("Name",directorName)
140 director.add("Password",'"'+directorPassword+'"')
141 self.getRoot().add_item(director)
142
143 fileDaemon=resource.FileDaemon(1,"FileDaemon")
144 fileDaemon.add("Name",myName)
145 #fileDaemon.add("FDport","9102")
146 fileDaemon.add("WorkingDirectory","/var/lib/bacula")
147 fileDaemon.add("Pid Directory","/var/run")
148 fileDaemon.add("Maximum Concurrent Jobs","20")
149 self.getRoot().add_item(fileDaemon)
150
151 messages=resource.Messages(1,"Messages")
152 messages.add("Name","Standard")
153 messages.add("director",directorName+" = all, !skipped, !restored")
154 self.getRoot().add_item(messages)
155
156class StoredConfig(Config):
157 pass
158
159#
160# nur zum Testen
161from VanHelsingSOAP import *
162
163if __name__ == "__main__":
164 if len(sys.argv) < 2:
165 filename="test.conf"
166 else:
167 filename=sys.argv[1]
168
169 loadDirectorConfig(filename)
170
171 print getClients("bacula-dir")
172 print getResources("bacula-dir","Client")
173 print getResources("bacula-dir","Job")
174 print getResourceById("bacula-dir",54)
175 print getResourceByName("Bacula-dir","Job","meinBackup")
176 sys.exit(0)
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