PREUN

/bin/sh

if [ $1 -eq 0 ]; then
    /sbin/service keepalived stop &>/dev/null || :
    /sbin/chkconfig --del keepalived
fi

POSTIN

/bin/sh

/sbin/chkconfig --add keepalived

POSTUN

/bin/sh

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