s3-to-AWStat is a bash script that downloads Amazon S3 access logs and makes them ready for AWStat.

s3-to-AWStat.sh

#!/bin/bash

# s3-to-AWStat
# Copyright 2013 Xavier Decuyper
# http://www.savjee.be
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:

# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

##
# CONFIGURATION
##
log_file="/home/xavier/s3logs/script.log" # File to log this scripts output
log_dir="/home/xavier/s3logs/" # Directory to store the S3 log files (access.log is also stored here)
bucket_name="logs.savjee.be" # Name of the bucket where log files are store
config_name="savjee.be" # Name of the AWStats site

# Download all log files from S3
echo "=========== Downloading new files from S3 ===========" >> $log_file
s3cmd sync --delete-removed s3://${bucket_name}/ ${log_dir}tmp/ >> $log_file

# Merge all logs in access.log
cat ${log_dir}/tmp/* > ${log_dir}access.log

# Run AWStats to update reports
echo "=========== Updating AWStats ===========" >> $log_file
sudo /usr/lib/cgi-bin/awstats.pl -config=${config_name} -update >> $log_file