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# Authors: Karl MacMillan <kmacmillan@mentalrootkit.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 only
#
# 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 logging, sys
import os
import tempfile
from ipapython import sysrestore
from ipapython import ipautil
def stop(service_name, instance_name=""):
ipautil.run(["/sbin/service", service_name, "stop", instance_name])
def start(service_name, instance_name=""):
ipautil.run(["/sbin/service", service_name, "start", instance_name])
def restart(service_name, instance_name=""):
ipautil.run(["/sbin/service", service_name, "restart", instance_name])
def is_running(service_name, instance_name=""):
ret = True
try:
ipautil.run(["/sbin/service", service_name, "status", instance_name])
except ipautil.CalledProcessError:
ret = False
return ret
def chkconfig_on(service_name):
ipautil.run(["/sbin/chkconfig", service_name, "on"])
def chkconfig_off(service_name):
ipautil.run(["/sbin/chkconfig", service_name, "off"])
def chkconfig_add(service_name):
ipautil.run(["/sbin/chkconfig", "--add", service_name])
def chkconfig_del(service_name):
ipautil.run(["/sbin/chkconfig", "--del", service_name])
def is_enabled(service_name):
(stdout, stderr) = ipautil.run(["/sbin/chkconfig", "--list", service_name])
runlevels = {}
for runlevel in range(0, 7):
runlevels[runlevel] = False
for line in stdout.split("\n"):
parts = line.split()
if parts[0] == service_name:
for s in parts[1:]:
(runlevel, status) = s.split(":")[0:2]
try:
runlevels[int(runlevel)] = status == "on"
except ValueError:
pass
break
return (runlevels[3] and runlevels[4] and runlevels[5])
def print_msg(message, output_fd=sys.stdout):
logging.debug(message)
output_fd.write(message)
output_fd.write("\n")
class Service:
def __init__(self, service_name, sstore=None, dm_password=None):
self.service_name = service_name
self.steps = []
self.output_fd = sys.stdout
self.dm_password = dm_password
if sstore:
self.sstore = sstore
else:
self.sstore = sysrestore.StateFile('/var/lib/ipa/sysrestore')
def _ldap_mod(self, ldif, sub_dict = None):
assert self.dm_password is not None
fd = None
path = ipautil.SHARE_DIR + ldif
if sub_dict is not None:
txt = ipautil.template_file(path, sub_dict)
fd = ipautil.write_tmp_file(txt)
path = fd.name
[pw_fd, pw_name] = tempfile.mkstemp()
os.write(pw_fd, self.dm_password)
os.close(pw_fd)
args = ["/usr/bin/ldapmodify", "-h", "127.0.0.1", "-xv",
"-D", "cn=Directory Manager", "-y", pw_name, "-f", path]
try:
try:
ipautil.run(args)
except ipautil.CalledProcessError, e:
logging.critical("Failed to load %s: %s" % (ldif, str(e)))
finally:
os.remove(pw_name)
if fd is not None:
fd.close()
def set_output(self, fd):
self.output_fd = fd
def stop(self, instance_name=""):
stop(self.service_name, instance_name)
def start(self, instance_name=""):
start(self.service_name, instance_name)
def restart(self, instance_name=""):
restart(self.service_name, instance_name)
def is_running(self):
return is_running(self.service_name)
def chkconfig_add(self):
chkconfig_add(self.service_name)
def chkconfig_del(self):
chkconfig_del(self.service_name)
def chkconfig_on(self):
chkconfig_on(self.service_name)
def chkconfig_off(self):
chkconfig_off(self.service_name)
def is_enabled(self):
return is_enabled(self.service_name)
def backup_state(self, key, value):
self.sstore.backup_state(self.service_name, key, value)
def restore_state(self, key):
return self.sstore.restore_state(self.service_name, key)
def print_msg(self, message):
print_msg(message, self.output_fd)
def step(self, message, method):
self.steps.append((message, method))
def start_creation(self, message):
self.print_msg(message)
step = 0
for (message, method) in self.steps:
self.print_msg(" [%d/%d]: %s" % (step+1, len(self.steps), message))
method()
step += 1
self.print_msg("done configuring %s." % self.service_name)
self.steps = []
class SimpleServiceInstance(Service):
def create_instance(self):
self.step("starting %s " % self.service_name, self.__start)
self.step("configuring %s to start on boot" % self.service_name, self.__enable)
self.start_creation("Configuring %s" % self.service_name)
def __start(self):
self.backup_state("running", self.is_running())
self.restart()
def __enable(self):
self.chkconfig_add()
self.backup_state("enabled", self.is_enabled())
self.chkconfig_on()
def uninstall(self):
running = self.restore_state("running")
enabled = not self.restore_state("enabled")
if not running is None and not running:
self.stop()
if not enabled is None and not enabled:
self.chkconfig_off()
self.chkconfig_del()
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