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# Authors: Karl MacMillan <kmacmillan@redhat.com>
#
# 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; version 2 or later
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
import shutil
import service
import sysrestore
from ipa import ipautil
class NTPInstance(service.Service):
def __init__(self):
service.Service.__init__(self, "ntpd")
def __write_config(self):
# The template sets the config to point towards ntp.pool.org, but
# they request that software not point towards the default pool.
# We use the OS variable to point it towards either the rhel
# or fedora pools. Other distros should be added in the future
# or we can get our own pool.
os = ""
if ipautil.file_exists("/etc/fedora-release"):
os = "fedora."
elif ipautil.file_exists("/etc/redhat-release"):
os = "rhel."
sub_dict = { }
sub_dict["SERVERA"] = "0.%spool.ntp.org" % os
sub_dict["SERVERB"] = "1.%spool.ntp.org" % os
sub_dict["SERVERC"] = "2.%spool.ntp.org" % os
ntp_conf = ipautil.template_file(ipautil.SHARE_DIR + "ntp.conf.server.template", sub_dict)
sysrestore.backup_file("/etc/ntp.conf")
fd = open("/etc/ntp.conf", "w")
fd.write(ntp_conf)
fd.close()
def __start(self):
self.backup_state("running", self.is_running())
self.start()
def __enable(self):
self.backup_state("enabled", self.is_enabled())
self.chkconfig_on()
def create_instance(self):
self.step("writing configuration", self.__write_config)
# we might consider setting the date manually using ntpd -qg in case
# the current time is very far off.
self.step("starting ntpd", self.__start)
self.step("configuring ntpd to start on boot", self.__enable)
self.start_creation("Configuring ntpd")
def uninstall(self):
running = self.restore_state("running")
enabled = self.restore_state("enabled")
if not running is None:
self.stop()
if not enabled is None and not enabled:
self.chkconfig_off()
sysrestore.restore_file("/etc/ntp.conf")
if not running is None and running:
self.start()
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