Watch default.vcl changes and reload on the fly (must-have for working with Varnish locally)

reloadvcl.sh

#!/bin/bash

#####
# Watch changes in default.vcl and reload a varnish config:
# sudo su -
# fswatch -o /usr/local/etc/varnish/default.vcl | xargs -n1 /Users/Bob/bin/reloadvcl
####


FILE="/usr/local/etc/varnish/default.vcl"
VARNISH_DIR="/usr/local/var/varnish"
VARNISHD="/usr/local/sbin/varnishd"
VARNISHADM="/usr/local/bin/varnishadm"

NOW=`date +%s`
DISPLAY_DATE=`date +%c`

# Try to compile config
$VARNISHD -C -f $FILE > /tmp/vcl_output 2>&1

if [ ! $? -eq 0 ]; then
  cat /tmp/vcl_output
  exit 1
fi
$VARNISHADM -n $VARNISH_DIR vcl.load conf$NOW $FILE > /tmp/vcl_output2
cat /tmp/vcl_output2

$VARNISHADM -n $VARNISH_DIR vcl.use conf$NOW > /tmp/vcl_output3
cat /tmp/vcl_output3

echo "[ ${DISPLAY_DATE} ] conf${NOW} - Varnish config has been reloaded."

#echo "Current configs:"
#echo "vcl.list" | $VARNISHADM -n $VARNISH_DIR > /tmp/vcl_output4
#cat /tmp/vcl_output4