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#!/usr/bin/env bash
# usage is: validate_db_connection 2 50 psql
SLEEP=$1
TRIES=$2
PSQL=$3
STATE=1
for (( c=1; c<=$TRIES; c++ ))
do
echo $c
if [ $c -gt 1 ]
then
echo 'sleeping'
sleep $SLEEP
fi
/bin/echo "SELECT 1" | $PSQL
STATE=$?
if [ $STATE -eq 0 ]
then
exit 0
fi
done
echo 'Unable to connect to postgresql'
exit 1