# Authors: Karl MacMillan # # Copyright (C) 2007 Red Hat # see file 'COPYING' for use and warranty information # # 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 3 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, see . # from ipapython import ipautil from ipapython import services as ipaservices import shutil ntp_conf = """# Permit time synchronization with our time source, but do not # permit the source to query or modify the service on this system. restrict default kod nomodify notrap nopeer noquery restrict -6 default kod nomodify notrap nopeer noquery # Permit all access over the loopback interface. This could # be tightened as well, but to do so would effect some of # the administrative functions. restrict 127.0.0.1 restrict -6 ::1 # Hosts on local network are less restricted. #restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap # Use public servers from the pool.ntp.org project. # Please consider joining the pool (http://www.pool.ntp.org/join.html). server $SERVER #broadcast 192.168.1.255 key 42 # broadcast server #broadcastclient # broadcast client #broadcast 224.0.1.1 key 42 # multicast server #multicastclient 224.0.1.1 # multicast client #manycastserver 239.255.254.254 # manycast server #manycastclient 239.255.254.254 key 42 # manycast client # Undisciplined Local Clock. This is a fake driver intended for backup # and when no outside source of synchronized time is available. server 127.127.1.0 # local clock #fudge 127.127.1.0 stratum 10 # Drift file. Put this in a directory which the daemon can write to. # No symbolic links allowed, either, since the daemon updates the file # by creating a temporary in the same directory and then rename()'ing # it to the file. driftfile /var/lib/ntp/drift # Key file containing the keys and key identifiers used when operating # with symmetric key cryptography. keys /etc/ntp/keys # Specify the key identifiers which are trusted. #trustedkey 4 8 42 # Specify the key identifier to use with the ntpdc utility. #requestkey 8 # Specify the key identifier to use with the ntpq utility. #controlkey 8 """ ntp_sysconfig = """# Drop root to id 'ntp:ntp' by default. OPTIONS="-x -u ntp:ntp -p /var/run/ntpd.pid" # Set to 'yes' to sync hw clock after successful ntpdate SYNC_HWCLOCK=yes # Additional options for ntpdate NTPDATE_OPTIONS="" """ def config_ntp(server_fqdn, fstore = None): sub_dict = { } sub_dict["SERVER"] = server_fqdn nc = ipautil.template_str(ntp_conf, sub_dict) if fstore: fstore.backup_file("/etc/ntp.conf") else: shutil.copy("/etc/ntp.conf", "/etc/ntp.conf.ipasave") fd = open("/etc/ntp.conf", "w") fd.write(nc) fd.close() if fstore: fstore.backup_file("/etc/sysconfig/ntpd") else: shutil.copy("/etc/sysconfig/ntpd", "/etc/sysconfig/ntpd.ipasave") fd = open("/etc/sysconfig/ntpd", "w") fd.write(ntp_sysconfig) fd.close() # Set the ntpd to start on boot ipaservices.knownservices.ntpd.enable() # Restart ntpd ipaservices.knownservices.ntpd.restart()