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# Authors:
# Rob Crittenden <rcritten@redhat.com>
#
# Copyright (C) 2012 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 os
import pwd
from ipaserver.install.plugins import PRE_UPDATE, MIDDLE
from ipaserver.install.plugins.baseupdate import PreUpdate
from ipaserver import ipaldap
from ipaserver.install import replication
from ipalib import api
class update_replica_exclude_attribute_list(PreUpdate):
"""
Run through all replication agreements and ensure that EXCLUDE list
has all the required attributes so that we don't cause replication
storms.
"""
order=MIDDLE
def execute(self, **options):
# We need an IPAdmin connection to the backend
self.log.debug("Start replication agreement exclude list update task")
conn = ipaldap.IPAdmin(api.env.host, ldapi=True, realm=api.env.realm)
conn.do_external_bind(pwd.getpwuid(os.geteuid()).pw_name)
repl = replication.ReplicationManager(api.env.realm, api.env.host,
None, conn=conn)
entries = repl.find_replication_agreements()
self.log.debug("Found %d agreement(s)", len(entries))
for replica in entries:
self.log.debug(replica.description)
attrlist = replica.getValue('nsDS5ReplicatedAttributeList')
if attrlist is None:
self.log.debug("Adding nsDS5ReplicatedAttributeList and nsDS5ReplicatedAttributeListTotal")
current = replica.toDict()
# Need to add it altogether
replica.setValues('nsDS5ReplicatedAttributeList',
'(objectclass=*) $ EXCLUDE %s' % " ".join(replication.EXCLUDES))
replica.setValues('nsDS5ReplicatedAttributeListTotal',
'(objectclass=*) $ EXCLUDE %s' % " ".join(replication.TOTAL_EXCLUDES))
try:
repl.conn.updateEntry(replica.dn, current, replica.toDict())
self.log.debug("Updated")
except Exception, e:
self.log.error("Error caught updating replica: %s", str(e))
else:
attrlist_normalized = attrlist.lower()
missing = [attr for attr in replication.EXCLUDES
if attr not in attrlist_normalized]
if missing:
self.log.debug("Attribute list needs updating")
current = replica.toDict()
replica.setValue('nsDS5ReplicatedAttributeList',
replica.nsDS5ReplicatedAttributeList + ' %s' % ' '.join(missing))
try:
repl.conn.updateEntry(replica.dn, current, replica.toDict())
self.log.debug("Updated")
except Exception, e:
self.log.error("Error caught updating replica: %s", str(e))
else:
self.log.debug("No update necessary")
self.log.debug("Done updating agreements")
return (False, False, []) # No restart, no apply now, no updates
api.register(update_replica_exclude_attribute_list)
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