class BackupServer 
  @queue = :high

  def self.perform()
    dbhost = Mongoid.config.database.connection.primary.join ':'
    dbname = Mongoid.config.database.name
    archive_db_list_path = OrbitSystemPreference::ArchiveDbListPath
    dbdirectory = "#{Rails.root}/tmp/#{dbname}-"+Time.now.strftime("%Y-%m-%d-%H-%M")
    %x[mongodump -h #{dbhost} -d #{dbname} -o #{dbdirectory} ]

    Dir.foreach('tmp') do |item|
      date_str = item.to_s.gsub("#{dbname}-",'')
      next if not date_str.match(/\d{4}-\d{2}-\d{2}-\d{2}-\d{2}/)
      if Date.parse(date_str).to_time < Site.first.backup_keep_for_days.days.ago
        OrbitLogger.info  "Deleting #{date_str}"
        %x[rm -rf tmp/#{item}] 
      end
    end


    %x[rm -f #{archive_db_list_path}]
    %x[cd tmp ; ls -l |grep #{dbname} | awk '{print $8}'|xargs  du -h --block-size=1M --max-depth=0 |sort -h >> #{archive_db_list_path}]
    OrbitLogger.info "DB backup done Path:#{dbdirectory}"
  end
end