gistfile1.rb

    def connect_with_retry(&block)
      hosts = @hosts.dup
      delay = @initial_delay

      begin
        hosts.push(host = hosts.shift)
        http = Net::HTTP.new(host, @port)
        http.open_timeout = @open_timeout
        http.read_timeout = @read_timeout
        http.use_ssl = @use_ssl
        block.call(http)
      rescue InfluxDB::Error
      rescue StandardError => e
        log :error, "Failed to contact host #{host}: #{e.inspect} - retrying in #{delay}s."
        log :info, "Queue size is #{@queue.length}." unless @queue.nil?

        sleep delay
        delay = [@max_delay, delay * 2].min
        retry
      end
    end