Script to copy incremental daily cpanel backups to a S3 bucket.

s3backup.rb

require 'rubygems'
require 'aws-sdk'

backup_dir = "/backup/cpbackup/" #end with /

users = "appspinc,arturo" #cpanel accounts to backup
users = users.split(",")

bucket = 'BUCKET_NAME'

#S3 login details
s3 = AWS::S3.new(
  :access_key_id => 'KEY_ID',
  :secret_access_key => 'ACCESS_KEY')

bucket = s3.buckets[bucket]

#daily backups
users.each do |i|
        i.strip! #remove spaces
        dir = "#{backup_dir}daily/#{i}"
        if(File.directory?(dir)) #if directory exists
                time = Time.new
                filename = "daily_#{i}_#{time.strftime("%Y%m%d")}.tar.gz"

                puts "Starting backup for #{i}..."
                puts "Creating #{filename}"
                `tar -cvzf #{filename} #{dir}` #create the file running unix cmd

                puts "Sending file to S3..."
                bucket.objects[filename].write(:file => File.open(filename),:reduced_redundancy => true)

                puts "Removing #{filename}\n\n"
                File.delete(filename)
        else
                puts "WARNING: Directory #{dir} does not exist. Skipping backup for #{i}.\n\n"
        end
end

puts "Backup finished"