#!/bin/sh
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#
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# postgresql This is the init script for starting up the PostgreSQL
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# server.
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#
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# chkconfig: - 64 36
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# description: PostgreSQL database server.
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# processname: postmaster
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# pidfile: /var/run/postmaster.PORT.pid
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# This script is slightly unusual in that the name of the daemon (postmaster)
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# is not the same as the name of the subsystem (postgresql)
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# PGVERSION is the full package version, e.g., 8.4.0
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# Note: the specfile inserts the correct value during package build
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PGVERSION=9.2.4
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# PGMAJORVERSION is major version, e.g., 10 (this should match PG_VERSION)
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PGMAJORVERSION=`echo "$PGVERSION" | sed 's/^\([0-9]*\).*$/\1/'`
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# Source function library.
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. /etc/init.d/functions
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# Find the name of the script
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NAME=`basename $0`
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if [ ${NAME:0:1} = "S" -o ${NAME:0:1} = "K" ]
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then
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NAME=${NAME:3}
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fi
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# For SELinux we need to use 'runuser' not 'su'
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if [ -x /sbin/runuser ]
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then
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SU=runuser
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else
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SU=su
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fi
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# Set defaults for configuration variables
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PGENGINE=/usr/bin
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PGPORT=5432
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PGDATA=/var/lib/postgresql/data
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PGLOG=/var/lib/postgresql/pgstartup.log
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# Value to set as postmaster process's oom_adj
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PG_OOM_ADJ=-17
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# Override defaults from /etc/sysconfig/postgresql if file is present
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[ -f /etc/default/postgresql/${NAME} ] && . /etc/default/postgresql/${NAME}
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export PGDATA
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export PGPORT
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lockfile="/var/lock/subsys/${NAME}"
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pidfile="/var/run/postmaster.${PGPORT}.pid"
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script_result=0
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start(){
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[ -x "$PGENGINE/postmaster" ] || exit 5
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PSQL_START=$"Starting ${NAME} service: "
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# Make sure startup-time log file is valid
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if [ ! -e "$PGLOG" -a ! -h "$PGLOG" ]
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then
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touch "$PGLOG" || exit 4
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chown postgres:postgres "$PGLOG"
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chmod go-rwx "$PGLOG"
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[ -x /sbin/restorecon ] && /sbin/restorecon "$PGLOG"
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fi
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# Check for the PGDATA structure
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if [ -f "$PGDATA/PG_VERSION" ] && [ -d "$PGDATA/base" ]
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then
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# Check version of existing PGDATA
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if [ x`cat "$PGDATA/PG_VERSION"` != x"$PGMAJORVERSION" ]
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then
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SYSDOCDIR="(Your System's documentation directory)"
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if [ -d "/usr/doc/postgresql-$PGVERSION" ]
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then
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SYSDOCDIR=/usr/doc
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fi
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if [ -d "/usr/share/doc/postgresql-$PGVERSION" ]
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then
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SYSDOCDIR=/usr/share/doc
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fi
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if [ -d "/usr/doc/packages/postgresql-$PGVERSION" ]
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then
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SYSDOCDIR=/usr/doc/packages
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fi
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if [ -d "/usr/share/doc/packages/postgresql-$PGVERSION" ]
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then
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SYSDOCDIR=/usr/share/doc/packages
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fi
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echo
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echo $"An old version of the database format was found."
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echo $"You need to upgrade the data format before using PostgreSQL."
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echo $"See $SYSDOCDIR/postgresql-$PGVERSION/README.rpm-dist for more information."
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exit 1
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fi
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else
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# No existing PGDATA! Warn the user to initdb it.
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echo
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echo "$PGDATA is missing. Use \"postgresql-setup initdb\" to initialize the cluster first."
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echo -n " [FAILED] "
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echo
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exit 1
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fi
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echo -n "$PSQL_START"
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test x"$PG_OOM_ADJ" != x && echo "$PG_OOM_ADJ" > /proc/self/oom_score_adj
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$SU -l postgres -c "$PGENGINE/postmaster -p '$PGPORT' -D '$PGDATA' ${PGOPTS} &" >> "$PGLOG" 2>&1 < /dev/null
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sleep 2
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pid=`head -n 1 "$PGDATA/postmaster.pid" 2>/dev/null`
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if [ "x$pid" != x ]
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then
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echo -n " [ OK ]"
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touch "$lockfile"
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echo $pid > "$pidfile"
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echo
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else
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echo -n " [FAILED]"
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echo
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script_result=1
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fi
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}
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stop(){
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echo -n $"Stopping ${NAME} service: "
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if [ -e "$lockfile" ]
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then
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$SU -l postgres -c "$PGENGINE/pg_ctl stop -D '$PGDATA' -s -m fast" > /dev/null 2>&1 < /dev/null
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ret=$?
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if [ $ret -eq 0 ]
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then
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echo -n " [ OK ] "
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rm -f "$pidfile"
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rm -f "$lockfile"
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else
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echo -n " [FAILED] "
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script_result=1
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fi
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else
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# not running; per LSB standards this is "ok"
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echo -n " [ OK ] "
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fi
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echo
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}
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restart(){
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stop
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start
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}
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condrestart(){
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[ -e "$lockfile" ] && restart || :
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}
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reload(){
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$SU -l postgres -c "$PGENGINE/pg_ctl reload -D '$PGDATA' -s" > /dev/null 2>&1 < /dev/null
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}
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# See how we were called.
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case "$1" in
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start)
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start
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;;
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stop)
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stop
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;;
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status)
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status postmaster
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script_result=$?
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;;
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restart)
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restart
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;;
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condrestart|try-restart)
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condrestart
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;;
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reload)
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reload
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;;
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force-reload)
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restart
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;;
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*)
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echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
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exit 2
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esac
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exit $script_result
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