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# Authors:
# Rob Crittenden <rcritten@redhat.com>
#
# Copyright (C) 2011 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/>.
from ipaserver.install.plugins import PRE_UPDATE, POST_UPDATE, FIRST, LAST
from ipaserver.install.plugins import PRE_UPDATE, POST_UPDATE, FIRST, LAST
from ipaserver.install.plugins.baseupdate import PreUpdate, PostUpdate
from ipalib.frontend import Updater
from ipaserver.install.plugins import baseupdate
from ipalib import api, errors
from ipapython import ipautil
import ldap as _ldap
def entry_to_update(entry):
"""
Convert an entry into a name/value pair list that looks like an update.
An entry is a dict.
An update is a list of name/value pairs.
"""
update = []
for attr in entry.keys():
if isinstance(entry[attr], list):
for i in xrange(len(entry[attr])):
update.append('%s:%s' % (str(attr), str(entry[attr][i])))
else:
update.append('%s:%s' % (str(attr), str(entry[attr])))
return update
def generate_update(ldap, deletes=False):
"""
We need to separate the deletes that need to happen from the
new entries that need to be added.
"""
suffix = ipautil.realm_to_suffix(api.env.realm)
searchfilter = '(objectclass=*)'
definitions_managed_entries = []
old_template_container = 'cn=etc,%s' % suffix
old_definition_container = 'cn=managed entries,cn=plugins,cn=config'
new = 'cn=Managed Entries,cn=etc,%s' % suffix
sub = ['cn=Definitions,', 'cn=Templates,']
new_managed_entries = []
old_templates = []
template = None
restart = False
# If the old entries don't exist the server has already been updated.
try:
(definitions_managed_entries, truncated) = ldap.find_entries(
searchfilter, ['*'], old_definition_container, _ldap.SCOPE_ONELEVEL, normalize=False
)
except errors.NotFound, e:
return (False, new_managed_entries)
for entry in definitions_managed_entries:
new_definition = {}
definition_managed_entry_updates = {}
if deletes:
old_definition = {'dn': str(entry[0]), 'deleteentry': ['dn: %s' % str(entry[0])]}
old_template = str(entry[1]['managedtemplate'][0])
definition_managed_entry_updates[old_definition['dn']] = old_definition
old_templates.append(old_template)
else:
entry[1]['managedtemplate'] = str(entry[1]['managedtemplate'][0].replace(old_template_container, sub[1] + new))
new_definition['dn'] = str(entry[0].replace(old_definition_container, sub[0] + new))
new_definition['default'] = entry_to_update(entry[1])
definition_managed_entry_updates[new_definition['dn']] = new_definition
new_managed_entries.append(definition_managed_entry_updates)
for old_template in old_templates: # Only happens when deletes is True
try:
(dn, template) = ldap.get_entry(old_template, ['*'], normalize=False)
dn = str(dn)
new_template = {}
template_managed_entry_updates = {}
old_template = {'dn': dn, 'deleteentry': ['dn: %s' % dn]}
new_template['dn'] = str(dn.replace(old_template_container, sub[1] + new))
new_template['default'] = entry_to_update(template)
template_managed_entry_updates[new_template['dn']] = new_template
template_managed_entry_updates[old_template['dn']] = old_template
new_managed_entries.append(template_managed_entry_updates)
except errors.NotFound, e:
pass
if len(new_managed_entries) > 0:
restart = True
new_managed_entries.sort(reverse=True)
return (restart, new_managed_entries)
class update_managed_post_first(PreUpdate):
"""
Update managed entries
"""
order=FIRST
def execute(self, **options):
# Never need to restart with the pre-update changes
(ignore, new_managed_entries) = generate_update(self.obj.backend, False)
return (False, True, new_managed_entries)
api.register(update_managed_post_first)
class update_managed_post(PostUpdate):
"""
Update managed entries
"""
order=LAST
def execute(self, **options):
(restart, new_managed_entries) = generate_update(self.obj.backend, True)
return (restart, True, new_managed_entries)
api.register(update_managed_post)
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