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PostgreSQL startup script for /etc/init.d

#!/bin/bash

set -e
set -u

# chkconfig: 2345 98 02
# description: PostgreSQL RDBMS

# where to find commands like su, echo, etc...
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

DB_ENCODING=SQL_ASCII

DB_LOCALE=C

PG_INSTALL_DIR=/u99/local/pgsql-9.0

PG_DATA_DIR="${PG_INSTALL_DIR}/data"

PG_SERVER_LOG="$PG_DATA_DIR/serverlog"

PG_UNIX_USER=postgres

POSTGRES="$PG_INSTALL_DIR/bin/postgres"

PG_CTL="$PG_INSTALL_DIR/bin/pg_ctl"

INITDB="$PG_INSTALL_DIR/bin/initdb"

# die on first failure; do not keep trucking
set -e

if [ $# -ne 1 ]; then
    echo "please enter start/stop/restart etc..." 1>&2
    exit 1
fi

# Only start if we can find postgres and pg_ctl.
if [ ! -x $PG_CTL ]; then
    echo "$PG_CTL not found" 1>&2
    exit 1
fi

if [ ! -x $POSTGRES ]; then
    echo "$POSTGRES not found" 1>&2
    exit 1
fi

case $1 in
  init)
	su - $PG_UNIX_USER -c "$INITDB --pgdata='$PG_DATA_DIR' --encoding=$DB_ENCODING --locale=$DB_LOCALE"
	;;
  start)
	echo -n "Starting PostgreSQL: "
	su - $PG_UNIX_USER -c "$PG_CTL start -D '$PG_DATA_DIR' -l $PG_SERVER_LOG"
	echo "ok"
	;;
  stop)
	echo -n "Stopping PostgreSQL: "
	su - $PG_UNIX_USER -c "$PG_CTL stop -D '$PG_DATA_DIR' -s -m fast"
	echo "ok"
	;;
  restart)
	echo -n "Restarting PostgreSQL: "
	su - $PG_UNIX_USER -c "$PG_CTL stop -D '$PG_DATA_DIR' -s -m fast -w"
	su - $PG_UNIX_USER -c "$PG_CTL start -D '$PG_DATA_DIR' -l $PG_SERVER_LOG"
	echo "ok"
	;;
  reload)
        echo -n "Reload PostgreSQL: "
        su - $PG_UNIX_USER -c "$PG_CTL reload -D '$PG_DATA_DIR' -s"
        echo "ok"
        ;;
  status)
	su - $PG_UNIX_USER -c "$PG_CTL status -D '$PG_DATA_DIR'"
	;;
  *)
	# Print help
	echo "Usage: $0 {start|stop|restart|reload|status}" 1>&2
	exit 1
	;;
esac

exit 0