1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
import json
import lxml.etree
import os
import Bcfg2.Server.Plugin
class OhaiCache(object):
def __init__(self, dirname):
self.dirname = dirname
self.cache = dict()
def __setitem__(self, item, value):
self.cache[item] = json.loads(value)
file("%s/%s.json" % (self.dirname, item), 'w').write(value)
def __getitem__(self, item):
if item not in self.cache:
try:
data = open("%s/%s.json" % (self.dirname, item)).read()
except:
raise KeyError, item
self.cache[item] = json.loads(data)
return self.cache[item]
def __iter__(self):
data = self.cache.keys()
data.extend([x[:-5] for x in os.listdir(self.dirname)])
return data.__iter__()
class Ohai(Bcfg2.Server.Plugin.Plugin,
Bcfg2.Server.Plugin.Probing,
Bcfg2.Server.Plugin.Connector):
name = 'Ohai'
experimental = True
def __init__(self, core, datastore):
Bcfg2.Server.Plugin.Plugin.__init__(self, core, datastore)
Bcfg2.Server.Plugin.Probing.__init__(self)
Bcfg2.Server.Plugin.Connector.__init__(self)
self.probe = lxml.etree.Element('probe', name='Ohai', source='Ohai',
interpreter='/bin/sh')
self.probe.text = 'ohai'
try:
os.stat(self.data)
except:
os.makedirs(self.data)
self.cache = OhaiCache(self.data)
def GetProbes(self, meta, force=False):
return [self.probe]
def ReceiveData(self, meta, datalist):
self.cache[meta.hostname] = datalist[0].text
def get_additional_data(self, meta):
if meta.hostname in self.cache:
return self.cache[meta.hostname]
return dict()
|