+
−from base64 import b64decode, b64encode
+
−try:
+
−    uri, newdn = __args__
+
−except ValueError:
+
−    print 'USAGE: cubicweb-ctl shell <instance> ldap_change_base_dn.py -- <ldap source uri> <new dn>'
+
−    print
+
−    print 'you should not have updated your sources file yet'
+
−
+
−olddn = repo.sources_by_uri[uri].config['user-base-dn']
+
−
+
−assert olddn != newdn
+
−
+
−raw_input("Ensure you've stopped the instance, type enter when done.")
+
−
+
−for eid, extid in sql("SELECT eid, extid FROM entities WHERE source='%s'" % uri):
+
−    olduserdn = b64decode(extid)
+
−    newuserdn = olduserdn.replace(olddn, newdn)
+
−    if newuserdn != olduserdn:
+
−        print olduserdn, '->', newuserdn
+
−        sql("UPDATE entities SET extid='%s' WHERE eid=%s" % (b64encode(newuserdn), eid))
+
−
+
−commit()
+
−
+
−print 'you can now update the sources file to the new dn and restart the instance'