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|
#!/bin/sh
# pgpool This is the init script for starting up pgpool-II
#
# chkconfig: - 64 36
# description: Starts and stops the pgpool daemon
# processname: pgpool
# pidfile: /var/run/${NAME}.pid
#
# v1.0.0 Devrim GUNDUZ <devrim@CommandPrompt.com>
# - Initial version of Red Hat / Fedora init script
#
# v2.2 Devrim GUNDUZ <devrim@CommandPrompt.com>
# - New and improved version which has some fixes.
#
# v2.2.5 Devrim GUNDUZ <devrim@CommandPrompt.com>
# - Fix logging.
#
# v3.3.3 Ryan Deshone <rdshone@liquidweb.com> and Yugo Nagata <nagata@sraoss.co.jp>
# - Update stop and reload to use pgpool commands properly
# - Removed "switch" as pgpool no longer supports that command
# - Add try-restart option
# - Fix exit code according with LSB
# Source function library.
INITD=/etc/rc.d/init.d
. $INITD/functions
# Get function listing for cross-distribution logic.
TYPESET=`typeset -f|grep "declare"`
# Get config.
. /etc/sysconfig/network
# Check that networking is up.
# We need it for pgpool
[ "${NETWORKING}" = "no" ] && exit 0
# Find the name of the script
NAME=`basename $0`
if [ ${NAME:0:1} = "S" -o ${NAME:0:1} = "K" ]
then
NAME=${NAME:3}
fi
# For SELinux we need to use 'runuser' not 'su'
if [ -x /sbin/runuser ]
then
SU=runuser
else
SU=su
fi
# Set defaults for configuration variables
PGPOOLUSER=postgres
PGPOOLENGINE=/usr/bin
PGPOOLDAEMON=$PGPOOLENGINE/pgpool
PGPOOLCONF=/etc/pgpool-II/pgpool.conf
PGPOOLPIDDIR=/var/run/pgpool
PGPOOLLOG=/var/log/pgpool.log
lockfile="/var/lock/subsys/${NAME}"
pidfile="$PGPOOLPIDDIR/pgpool.pid"
# Import configuration from /etc/sysconfig, if it exists
[ -f /etc/sysconfig/${NAME} ] && . /etc/sysconfig/${NAME}
test -x $PGPOOLDAEMON || exit 5
# Check whether the config file exists or not
if [ ! -r $PGPOOLCONF ]
then
echo "$PGPOOLCONF not found"
echo_failure
echo
exit 1
fi
# Create the log file if it does not exist
if [ ! -x $PGPOOLLOG ]
then
touch $PGPOOLLOG
chown ${PGPOOLUSER}: $PGPOOLLOG
fi
if [ ! -d $PGPOOLPIDDIR ]
then
mkdir $PGPOOLPIDDIR
chown ${PGPOOLUSER}: $PGPOOLPIDDIR
fi
script_result=0
start(){
PGPOOL_START=$"Starting ${NAME} service: "
echo -n "$PGPOOL_START"
if [ -n "`pidofproc -p $pidfile $PGPOOLDAEMON`" ]
then
echo_success
echo
exit 0
fi
$SU -l $PGPOOLUSER -c "$PGPOOLDAEMON -f $PGPOOLCONF $OPTS & " >> "$PGPOOLLOG" 2>&1 < /dev/null
sleep 2
if [ -n "`pidofproc -p $pidfile $PGPOOLDAEMON`" ]
then
success "$PGPOOL_START"
touch "$lockfile"
echo
else
failure "$PGPOOL_START"
echo
script_result=1
fi
}
stop(){
PGPOOL_STOP=$"Stopping ${NAME} service: "
echo -n "$PGPOOL_STOP"
if [ -e "$lockfile" ]
then
$SU -l $PGPOOLUSER -c "$PGPOOLDAEMON -f $PGPOOLCONF -m fast stop" >> "$PGPOOLLOG" 2>&1 < /dev/null
RETVAL=$?
if [ $RETVAL -eq 0 ]
then
success "$PGPOOL_STOP"
rm -f "$lockfile"
else
failure "$PGPOOL_STOP"
script_result=1
fi
else
echo_success
fi
echo
}
restart(){
stop
start
}
reload(){
PGPOOL_RELOAD=$"Reloading ${NAME} configuration: "
echo -n "$PGPOOL_RELOAD"
if [ -n "`pidofproc -p $pidfile $PGPOOLDAEMON`" ]
then
$SU -l $PGPOOLUSER -c "$PGPOOLDAEMON -f $PGPOOLCONF reload" >> "$PGPOOLLOG" 2>&1 < /dev/null
else
failure "$PGPOOL_RELOAD"
echo
exit 1
fi
RETVAL=$?
if [ $RETVAL -eq 0 ]; then
success "$PGPOOL_RELOAD"
else
failure "$PGPOOL_RELOAD"
script_result=1
fi
echo
}
condrestart(){
[ -e "$lockfile" ] && restart
}
condstop(){
[ -e "$lockfile" ] && stop
}
# See how we were called.
case "$1" in
start)
start
;;
stop)
stop
;;
status)
status -p $pidfile pgpool
script_result=$?
;;
restart)
restart
;;
reload|force-reload)
reload
;;
condrestart|try-restart)
condrestart
;;
condstop)
condstop
;;
*)
echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|condstop|reload|force-reload}"
exit 2
esac
exit $script_result
|
