PREIN

/bin/sh

/usr/sbin/useradd -c "HAProxy user" -s /bin/false -r -d /var/lib/haproxy haproxy 2>/dev/null || :

PREUN

/bin/sh

if [ $1 = 0 ]; then
    /sbin/service haproxy stop >/dev/null 2>&1
    /sbin/chkconfig --del haproxy
fi

POSTIN

/bin/sh

/sbin/chkconfig --add haproxy

POSTUN

/bin/sh

if [ $1 -ge 1 ]; then
/sbin/service haproxy condrestart > /dev/null 2>&1 || :
fi