Varnish configtest, with preliminary test for the presence of includes

varnish-configtest.sh

#!/bin/bash
missing=0

while read inc
do
    if [ ! -f "${inc}" ]
    then
        echo "Missing: ${inc}"
        missing=$((missing+1))
    fi
done < <(grep include /etc/varnish/default.vcl | awk -F'"' {' print $2 '} )

if [ $missing -gt 0 ]
then
    echo "Detected $missing missing includes. Aborting"
    exit 1
fi

varnishd -C -f /etc/varnish/default.vcl