freeipa/install/restart_scripts/renew_ra_cert
Jan Cholasta f3076c6ab3 cert renewal: make renewal of ipaCert atomic
This prevents errors when renewing other certificates during the renewal of
ipaCert.

https://fedorahosted.org/freeipa/ticket/5436

Reviewed-By: David Kupka <dkupka@redhat.com>
2015-11-19 13:06:12 +01:00

91 lines
2.7 KiB
Python

#!/usr/bin/python2 -E
#
# Authors:
# Rob Crittenden <rcritten@redhat.com>
# Jan Cholasta <jcholast@redhat.com>
#
# Copyright (C) 2013 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 <http://www.gnu.org/licenses/>.
import sys
import os
import syslog
import tempfile
import shutil
import traceback
from ipapython import ipautil
from ipalib import api
from ipaserver.install import certs, cainstance, krainstance
from ipaplatform import services
from ipaplatform.paths import paths
def _main():
nickname = 'ipaCert'
api.bootstrap(context='restart')
api.finalize()
tmpdir = tempfile.mkdtemp(prefix="tmp-")
try:
principal = str('host/%s@%s' % (api.env.host, api.env.realm))
ccache_filename = os.path.join(tmpdir, 'ccache')
ipautil.kinit_keytab(principal, paths.KRB5_KEYTAB,
ccache_filename)
os.environ['KRB5CCNAME'] = ccache_filename
ca = cainstance.CAInstance(host_name=api.env.host, ldapi=False)
if ca.is_renewal_master():
# Fetch the new certificate
db = certs.CertDB(api.env.realm)
dercert = db.get_cert_from_db(nickname, pem=False)
if not dercert:
syslog.syslog(
syslog.LOG_ERR, "No certificate %s found." % nickname)
sys.exit(1)
# Load it into dogtag
cainstance.update_people_entry(dercert)
if api.Command.kra_is_enabled()['result']:
krainstance.export_kra_agent_pem()
finally:
shutil.rmtree(tmpdir)
# Now restart Apache so the new certificate is available
syslog.syslog(syslog.LOG_NOTICE, "Restarting httpd")
try:
services.knownservices.httpd.restart()
except Exception as e:
syslog.syslog(syslog.LOG_ERR, "Cannot restart httpd: %s" % e)
else:
syslog.syslog(syslog.LOG_NOTICE, "Restarted httpd")
def main():
try:
_main()
finally:
# lock acquired in renew_ra_cert_pre
certs.renewal_lock.release('renew_ra_cert')
try:
main()
except Exception:
syslog.syslog(syslog.LOG_ERR, traceback.format_exc())