A retrier for poor quality network and servers

do_with_retry.rb

#
# always retry
#
# ex)
# do_with_retry( 'dns' ) { Resolv.getaddress( 'example.com' ) }
#
def do_with_retry( name, &block )
  times = RETRY_LIMIT
  begin
    block.call
  rescue => e
    if ( times > 0 )
      times -= 1
      sleep( rand( 3 ) )
      @logger.info( "retry #{name}" ) if ( @logger )
      retry
    else
      raise e
    end
  end
end