PREIN
/bin/sh
getent group varnish >/dev/null || groupadd -r varnish
getent passwd varnish >/dev/null || \
useradd -r -g varnish -d /var/lib/varnish -s /sbin/nologin \
-c "Varnish Cache" varnish
exit 0
PREUN
/bin/sh
if [ $1 -lt 1 ]; then
/sbin/service varnish stop > /dev/null 2>&1
/sbin/service varnishlog stop > /dev/null 2>&1
/sbin/service varnishncsa stop > /dev/null 2>%1
/sbin/chkconfig --del varnish
/sbin/chkconfig --del varnishlog
/sbin/chkconfig --del varnishncsa
fi
POSTIN
/bin/sh
/sbin/chkconfig --add varnish
/sbin/chkconfig --add varnishlog
/sbin/chkconfig --add varnishncsa
test -f /etc/varnish/secret || (mkpasswd > /etc/varnish/secret && chmod 0600 /etc/varnish/secret)