PREIN

/bin/sh

getent group ats >/dev/null || groupadd -r ats -g 176 &>/dev/null
getent passwd ats >/dev/null || \
useradd -r -u 176 -g ats -d / -s /sbin/nologin \
	-c "Apache Traffic Server" ats &>/dev/null

PREUN

/bin/sh

  
if [ $1 -eq 0 ] ; then 
        # Package removal, not upgrade 
        /usr/bin/systemctl --no-reload disable trafficserver.service > /dev/null 2>&1 || : 
        /usr/bin/systemctl stop trafficserver.service > /dev/null 2>&1 || : 
fi

POSTIN

/bin/sh

/sbin/ldconfig
  
if [ $1 -eq 1 ] ; then 
        # Initial installation 
        /usr/bin/systemctl preset trafficserver.service >/dev/null 2>&1 || : 
fi

POSTUN

/bin/sh

/sbin/ldconfig

  
/usr/bin/systemctl daemon-reload >/dev/null 2>&1 || : 
if [ $1 -ge 1 ] ; then 
        # Package upgrade, not uninstall 
        /usr/bin/systemctl try-restart trafficserver.service >/dev/null 2>&1 || : 
fi