Class: LoadManager

Inherits:
Object
  • Object
show all
Defined in:
lib/load/load_manager.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(configuration, target_code) ⇒ LoadManager

Returns a new instance of LoadManager.



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# File 'lib/load/load_manager.rb', line 10

def initialize(configuration, target_code)
  @configuration = configuration
end

Instance Attribute Details

#configuration ⇒ Object (readonly)

Returns the value of attribute configuration.



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# File 'lib/load/load_manager.rb', line 8

def configuration
  @configuration
end

#run_id ⇒ Object (readonly)

Returns the value of attribute run_id.



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# File 'lib/load/load_manager.rb', line 8

def run_id
  @run_id
end

Instance Method Details

#kill_pids(pids) ⇒ Object 



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# File 'lib/load/load_manager.rb', line 65

def kill_pids(pids)
  puts "Killing child processes"
  pids.each do |pid|
    Process.kill("INT", pid)
  end
end

#ramp_up ⇒ Object 



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# File 'lib/load/load_manager.rb', line 14

def ramp_up
  puts "Load Manager - ramp_up"
  puts "Load Manager: #{Process.pid}"
  pids = []

  definition_code = configuration['code']
  @server_address = ENV["SERVER"] || "localhost:2233"
  puts "Server address: #{@server_address}"

  if (ENV['SERVER'] == nil)
    puts "No 'SERVER' env specified, creating local/minimal server to store results"
    pids << fork {
      @reporter = LoadReporter.new({server: @server_address})
      while (@reporter.started == false)
        puts "Cannot find Load server"
        sleep 1
      end
    }
  else
    puts "Using existent 'SERVER': #{@server_address}"
  end

  @run_id = create_run({definition_code: definition_code})
  ramp_up = LoadRampUp.new(@run_id, @target_code, @configuration)

  pids << fork {
    ramp_up.run
  }

  quit = false
  while !quit
    begin
      system("stty raw -echo")
      str = STDIN.getc
    ensure
      system("stty -raw echo")
    end
    input = str.chr
    puts "You pressed: #{input}  ##{str.to_i}"
    if (input == "q")
      quit = true
      puts "=================================================================================="
      puts "DONE WITH RAMP UP"
      puts "  PID's:  #{pids}"
      puts "=================================================================================="
    end
  end
  kill_pids(pids)
end