Check for abandoned vcl.XXXXXXX.so and _.vsm files

varnish-abandoned-vcl.so-check.sh

#!/bin/bash
varnish_user=`ps aux | grep varnishd | grep root | grep -o "\-u .* \-g" | awk {' print $2 '}`
varnish_effective_pid=`ps aux | grep varnishd | grep "^${varnish_user}" | awk {' print $2 '}`
varnish_lib=`lsof -p ${varnish_effective_pid} | grep cwd | awk {' print $9 '}`

if [ ! -d "${varnish_lib}" ]; then echo "Missing ${varnish_lib} - maybe located elsewhere?!"; exit 1; fi

while read line
do
    fstest=`lsof -p ${varnish_effective_pid} | grep ${varnish_lib} | grep REG | awk {' print $9 '} | sed -e "s#${varnish_lib}/##g" | grep $line`

    if [ "$fstest" == "$line" ]
    then
        echo "$line in use by varnish"
    else
        echo "mv ${varnish_lib}/${line} ${varnish_lib}/off/"
        # uncomment following 2 lines to move unused files away
        #if [ ! -d "${varnish_lib}/off/" ]; then mkdir -p ${varnish_lib}/off/; fi
        #mv ${varnish_lib}/${line} ${varnish_lib}/off/
    fi
done < <(ls -1 -I "*off*" ${varnish_lib})