module DbBackup
  @queue = :db_backup
  
  def perform( forced_filename = nil )
    config   = Rails.configuration.database_configuration
    database = config[Rails.env]["database"]
    username = config[Rails.env]["username"]
    password = config[Rails.env]["password"]

    dumps_path = Rails.root.join('tmp', 'dumps').to_s
    dump_filename = forced_filename || Socket.gethostname.to_s + "-" + Rails.env + "-" + Time.now.strftime("%Y-%m-%d--%H-%M") + ".sql"
    dump_path = Rails.root.join('tmp', 'dumps', dump_filename )

    Utils.run 'mkdir -p ' + dumps_path
    Utils.run "mysqldump -u\"#{username}\" -p\"#{password}\" #{database} -r #{dump_path}"

    cloudfile = CloudfilesConnect.cloudfile
    container_name = "db_dumps"

    if !cloudfile.container_exists? container_name
      CloudfilesConnect.cloudfile.create_container( container_name )
    end

    container = CloudfilesConnect::cloudfile.container( container_name )

    o = container.create_object( dump_filename )
    o.write( File.open( dump_path ) )

    File.delete( dump_path )
  end

  extend self
end