load_testing.rb

#!/usr/bin/env ruby

require 'benchmark'
require 'net/http'
require 'optparse'

options = { total_execute_time: 300, uri: 'https://gitlab.com' }
OptionParser.new do |opts|
  opts.banner = "Usage: curl_gitlab [options]"
  opts.on('-t', '--total-execute-time SECONDS', 'How long you would like to run this command for') do |t|
    options[:total_execute_time] = t.to_i
  end

  opts.on('-h', '--host URI', 'Check this to call a different host') do |t|
    options[:host] = t.to_i
  end
end.parse!
started_at = Time.now.to_i
stop_at = started_at + options[:total_execute_time]

uri = URI(options[:uri])
reports = []
Benchmark.bm do |x|
  while Time.now.to_i <= stop_at
    reports << x.report do
      Net::HTTP.get(uri)
    end
  end
end
puts "Avarage Response time in seconds"
puts (reports.inject(0.0) { |sum, report| sum + report.real } / reports.size)