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
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
#!/usr/bin/env python
# Jul 17 2005
#GenerateHostInfo - Joey Hagedorn - hagedorn@mcs.anl.gov
'''Generates hostinfo.xml at a regular interval'''
__revision__ = '$Revision$'
from ConfigParser import ConfigParser
from lxml.etree import parse, tostring
from os import fork, execl, dup2, wait, uname
import sys
if __name__ == '__main__':
c = ConfigParser()
c.read(['/etc/bcfg2.conf'])
configpath = "%s/etc/report-configuration.xml" % c.get('server', 'repository')
clientdatapath = "%s/Metadata/clients.xml" % c.get('server', 'repository')
sendmailpath = c.get('statistics','sendmailpath')
clientElement = parse(clientdatapath)
hostlist = [client.get('name') for client in clientElement.findall("Client")]
pids = {}
fullnames = {}
null = open('/dev/null', 'w+')
#use uname to detect OS and use -t for darwin and -w for linux
#/bin/ping on linux /sbin/ping on os x
osname = uname()[0]
while hostlist or pids:
if hostlist and len(pids.keys()) < 15:
host = hostlist.pop()
pid = fork()
if pid == 0:
# in child
dup2(null.fileno(), sys.__stdin__.fileno())
dup2(null.fileno(), sys.__stdout__.fileno())
dup2(null.fileno(), sys.__stderr__.fileno())
if osname == 'Linux':
execl('/bin/ping', 'ping', '-w', '5', '-c', '1', host)
elif osname == 'Darwin':
execl('/sbin/ping', 'ping', '-t', '5', '-c', '1', host)
elif osname == 'SunOS':
execl('/usr/sbin/ping', 'ping', host, '56', '1')
else: #default
execl('/bin/ping', 'ping', '-w', '5', '-c', '1', host)
else:
pids[pid] = host
else:
try:
(cpid, status) = wait()
except OSError:
continue
chost = pids[cpid]
del pids[cpid]
if status == 0:
try:
clientElement.xpath("//Client[@name='%s']"%chost)[0].set("pingable",'Y')
except:#i think this is for a problem with aliases?
clientElement.xpath("//Client[@name='%s']"%fullnames[chost])[0].set("pingable",'Y')
#also set pingtime, if you can get it
else:
if chost.count('.') > 0:
fullnames[chost.split('.')[0]] = chost
hostlist.append(chost.split('.')[0])
else:
clientElement.xpath("//Client[@name='%s']"%(fullnames[chost]))[0].set("pingable",'N')
#also set pingtime if you can get it
fout = open(clientdatapath, 'w')
fout.write(tostring(clientElement.getroot()))
fout.close()
|
