"""
Cobbler daemon for logging remote syslog traffic during automatic installation
Copyright 2007-2009, Red Hat, Inc and Others
Michael DeHaan <michael.dehaan AT gmail>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
"""
import binascii
import logging.config
import os
import pwd
import time
from cobbler import remote, utils
from cobbler.api import CobblerAPI
if os.geteuid() == 0 and os.path.exists('/etc/cobbler/logging_config.conf'):
logging.config.fileConfig('/etc/cobbler/logging_config.conf')
logger = logging.getLogger()
[docs]def core(cobbler_api: CobblerAPI):
"""
Starts Cobbler.
:param cobbler_api: The cobbler_api instance which is used for this method.
"""
settings = cobbler_api.settings()
xmlrpc_port = settings.xmlrpc_port
regen_ss_file()
do_xmlrpc_rw(cobbler_api, xmlrpc_port)
[docs]def regen_ss_file():
"""
This is only used for Kerberos auth at the moment. It identifies XMLRPC requests from Apache that have already been
cleared by Kerberos.
"""
ssfile = "/var/lib/cobbler/web.ss"
with open("/dev/urandom", 'rb') as fd:
data = fd.read(512)
with open(ssfile, 'wb', 0o660) as fd:
fd.write(binascii.hexlify(data))
http_user = "apache"
family = utils.get_family()
if family == "debian":
http_user = "www-data"
elif family == "suse":
http_user = "wwwrun"
os.lchown("/var/lib/cobbler/web.ss", pwd.getpwnam(http_user)[2], -1)
[docs]def do_xmlrpc_rw(cobbler_api: CobblerAPI, port):
"""
This trys to bring up the Cobbler xmlrpc_api and restart it if it fails.
:param cobbler_api: The cobbler_api instance which is used for this method.
:param port: The port where the xmlrpc api should run on.
"""
xinterface = remote.ProxiedXMLRPCInterface(cobbler_api, remote.CobblerXMLRPCInterface)
server = remote.CobblerXMLRPCServer(('127.0.0.1', port))
server.logRequests = 0 # don't print stuff
logger.debug("XMLRPC running on %s", port)
server.register_instance(xinterface)
start_time = ""
try:
import psutil
p = psutil.Process(os.getpid())
start_time = " in %s seconds" % str(time.time() - p.create_time())
except ModuleNotFoundError:
# This is not critical, but debug only - just install python3-psutil
pass
while True:
try:
logger.info("Cobbler startup completed %s", start_time)
server.serve_forever()
except IOError:
# interrupted? try to serve again
time.sleep(0.5)
if __name__ == "__main__":
core(CobblerAPI())