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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
# cobbler daemon for logging remote syslog traffic during kickstart
#
# Copyright 2007, Red Hat, Inc
# Michael DeHaan <mdehaan@redhat.com>
#
# This software may be freely redistributed under the terms of the GNU
# general public license.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
import sys
import socket
import time
import os
import SimpleXMLRPCServer
import glob
from rhpl.translate import _, N_, textdomain, utf8
import xmlrpclib
import api as cobbler_api
import yaml # Howell Clark version
import utils
import sub_process
import remote
def main():
core(logger=None)
def core(logger=None):
bootapi = cobbler_api.BootAPI()
settings = bootapi.settings()
syslog_port = settings.syslog_port
xmlrpc_port = settings.xmlrpc_port
xmlrpc_port2 = settings.xmlrpc_rw_port
pid = os.fork()
if pid == 0:
# part one: XMLRPC -- which may be just read-only or both read-only and read-write
do_xmlrpc_tasks(bootapi, settings, xmlrpc_port, xmlrpc_port2, logger)
else:
# part two: syslog, or syslog+avahi if avahi is installed
do_other_tasks(bootapi, settings, syslog_port, logger)
def do_xmlrpc_tasks(bootapi, settings, xmlrpc_port, xmlrpc_port2, logger):
if str(settings.xmlrpc_rw_enabled) != "0":
pid2 = os.fork()
if pid2 == 0:
do_xmlrpc(bootapi, settings, xmlrpc_port, logger)
else:
do_xmlrpc_rw(bootapi, settings, xmlrpc_port2, logger)
else:
do_xmlrpc(bootapi, settings, xmlrpc_port, logger)
def do_other_tasks(bootapi, settings, syslog_port, logger):
# FUTURE: this should also start the Web UI, if the dependencies
# are available.
if os.path.exists("/usr/bin/avahi-publish-service"):
pid2 = os.fork()
if pid2 == 0:
do_syslog(bootapi, settings, syslog_port, logger)
else:
do_avahi(bootapi, settings, logger)
else:
do_syslog(bootapi, settings, syslog_port, logger)
def log(logger,msg):
if logger is not None:
logger.info(msg)
else:
print >>sys.stderr, msg
def do_avahi(bootapi, settings, logger):
# publish via zeroconf. This command will not terminate
log(logger, "publishing avahi service")
cmd = [ "/usr/bin/avahi-publish-service",
"cobblerd",
"_http._tcp",
"%s" % settings.xmlrpc_port ]
proc = sub_process.Popen(cmd, shell=False, stderr=sub_process.PIPE, stdout=sub_process.PIPE)
proc.communicate()[0]
log(logger, "avahi service terminated")
def do_xmlrpc(bootapi, settings, port, logger):
# This is the simple XMLRPC API we provide to koan and other
# apps that do not need to manage Cobbler's config
xinterface = remote.CobblerXMLRPCInterface(bootapi,logger)
server = remote.CobblerXMLRPCServer(('', port))
server.logRequests = 0 # don't print stuff
log(logger, "XMLRPC running on %s" % port)
server.register_instance(xinterface)
while True:
try:
server.serve_forever()
except IOError:
# interrupted? try to serve again
time.sleep(0.5)
def do_xmlrpc_rw(bootapi,settings,port,logger):
xinterface = remote.CobblerReadWriteXMLRPCInterface(bootapi,logger)
server = remote.CobblerReadWriteXMLRPCServer(('127.0.0.1', port))
server.logRequests = 0 # don't print stuff
log(logger, "XMLRPC (read-write variant) running on %s" % port)
server.register_instance(xinterface)
while True:
try:
server.serve_forever()
except IOError:
# interrupted? try to serve again
time.sleep(0.5)
def do_syslog(bootapi, settings, port, logger):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.bind(("0.0.0.0", port))
log(logger, "syslog running on %s" % port)
buf = 1024
while 1:
data, addr = s.recvfrom(buf)
(ip, port) = addr
system = bootapi.systems().find(ip_address = ip)
if not system:
usename = ip
else:
usename = system.name
if not data:
break
else:
logfile = open("/var/log/cobbler/syslog/%s" % usename, "a+")
t = time.localtime()
# write numeric time
seconds = str(time.mktime(t))
logfile.write(seconds)
logfile.write("\t")
# write string time
timestr = str(time.asctime(t))
logfile.write(timestr)
logfile.write("\t")
# write the IP address of the client
logfile.write(ip)
logfile.write("\t")
# write the data
logfile.write(data)
logfile.write("\n")
logfile.close()
if __name__ == "__main__":
main()
|
