Sync asset cached file to Windows Azure using waz-sync gem

override_assetfile_cache.rb

#####
## Add this line to your environment.rb file
# require 'lib/override_assetfile_cache.rb'
####

module ActionView
  module Helpers
    module AssetTagHelper
    
      def write_asset_file_contents(joined_asset_path, asset_paths)
                
        FileUtils.mkdir_p(File.dirname(joined_asset_path))
        File.open(joined_asset_path, "w+") { |cache| cache.write(join_asset_file_contents(asset_paths)) }

        # Set mtime to the latest of the combined files to allow for
        # consistent ETag without a shared filesystem.
        mt = asset_paths.map { |p| File.mtime(asset_file_path(p)) }.max
        File.utime(mt, mt, joined_asset_path)

        ######################
        ### Azure CDN Sync ###
        ######################
        
        begin
          azure = WazSync.new()
          folder = joined_asset_path.match(/^.*public\/([^\/]*)\/(.*)$/)[1]
          filename = joined_asset_path.match(/^.*public\/([^\/]*)\/(.*)$/)[2]
          container = azure.find_or_create_container(folder)    
          azure.send_or_update(container, joined_asset_path, filename)          
        rescue
          logger.info("Azure Sync Failed")
        end
        
        ######################
          
      end
    end
  end
end