postgres 在linux 自启动启脚本

#! /bin/sh

# Installation prefix
prefix=/home/ymf/dcm/pgsql

# Data directory
PGDATA="$prefix/data"

# Who to run the postmaster as, usually "postgres".  (NOT "root")
PGUSER=postgres

# Where to keep a log file
PGLOG="$PGDATA/serverlog"

## STOP EDITING HERE

# The path that is to be used for the script
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

# What to use to start up the postmaster (we do NOT use pg_ctl for this,
# as it adds no value and can cause the postmaster to misrecognize a stale
# lock file)
DAEMON="$prefix/bin/postmaster"

# What to use to shut down the postmaster
PGCTL="$prefix/bin/pg_ctl"

set -e

# Only start if we can find the postmaster.
test -x $DAEMON || exit 0

# Parse command line parameters.
case $1 in
  start)
        echo -n "Starting PostgreSQL: "
        su $PGUSER -c "$DAEMON -D '$PGDATA' &" >>$PGLOG 2>&1
        echo "ok"
        ;;
  stop)
        echo -n "Stopping PostgreSQL: "
        su $PGUSER -c "$PGCTL stop -D '$PGDATA' -s -m fast"
        echo "ok"
        ;;
  restart)
        echo -n "Restarting PostgreSQL: "
        su $PGUSER -c "$PGCTL stop -D '$PGDATA' -s -m fast -w"
        su $PGUSER -c "$DAEMON -D '$PGDATA' &" >>$PGLOG 2>&1
        echo "ok"
        ;;
  reload)
        echo -n "Reload PostgreSQL: "
        su $PGUSER -c "$PGCTL reload -D '$PGDATA' -s"
        echo "ok"
        ;;
  status)
        su $PGUSER -c "$PGCTL status -D '$PGDATA'"
        ;;
  *)
        # Print help
        echo "Usage: $0 {start|stop|restart|reload|status}" 1>&2
        exit 1
        ;;
esac

exit 0