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#!/bin/bash
# Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this code except in compliance
# with the License. You may obtain a copy of the License
# at http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied. See the License for the specific language governing
# permissions and limitations under the License.
PATH=/opt/app/pgaas/bin:$PATH
INMAINTENANCE=/var/run/postgresql/inmaintenance
ISRW=/var/run/postgresql/isrw
if [ -f $INMAINTENANCE ]
then
echo "Already in maintenance mode" 1>&2
exit 1
fi
case `< $ISRW` in
Master ) echo "This is a Master system. It cannot be set to maintenance mode" 1>&2
exit 2
;;
esac
echo "Setting maintenance mode"
echo inmaintenance > $INMAINTENANCE
echo "Shutting down the PostgreSQL server"
pg_ctl_stop
# the following loop is to allow iDNS to get a chance to mark this system as being down
echo "Sleeping for 20 seconds"
for i in `seq 20`
do
echo -n " $i"
done
echo " Done"
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