warmly.sh

#!/bin/bash

# warmly.sh
# A wget based, easy, poor man`s cache warmer script
# Originally forked from
# https://gist.github.com/thomasfr/7926314

# No trailing slash
WARMLY_START_URL="${1}"

if [ -z $WARMLY_START_URL ]; then
	echo "No starting URL set"
	exit 1
fi

# Choose CWD
cd /root

# Strip protocol from starting URL
WARMLY_DIR="${WARMLY_START_URL#*//}"
# Remove any previous contents for a fresh start
rm -fr "/root/${WARMLY_DIR}"

# timestamping mimics real browsers behavior and speeds up the process by 
#   skipping resources as instructed by the webserver
# page-requisites mimics real browsers behavior by downloading resources, 
#   warming up Varnish cache
# level=2 allows for a quick pass, as the cache should be reasonably "warm"
# retries should not happen but just in case are here, as well as timeout
wget --recursive --timestamping --page-requisites --level=2 --tries=3 --timeout=20 "${WARMLY_START_URL}"

if [ $? -gt 0 ] ; then
	exit 1;
fi