動くかわからない

backup2s3.rb

bucket_name = 'backup_popowa'
today = Date.today
days2_ago = today - 2
format_today = today.strftime("%Y_%m_%d")
format_days2_ago = days2_ago.strftime("%Y_%m_%d")

backup_file_name = "backup-#{format_today}.zip"
delete_file_name = "backup-#{format_days2_ago}.zip"
s3 = AWS::S3.new
bucket = s3.buckets[bucket_name]
object = bucket.objects["date/#{backup_file_name}"]
object.write(File.open("/home/aya/backups/#{backup_file_name}"))
delete_object = bucket.objects["date/#{delete_file_name}"]

#puts delete_object.exists?

if object.exists?
  mail.body = "Backup for #{backup_file_name} has been done "
  #puts "done"
  if delete_object.exists?
    delete_object.delete
    mail.body = "Delete Object deleted"
  end
else
  mail.body = "fail for backup: #{backup_file_name}"
end


mail.deliver