Class: Jkr::Trial

Inherits:
Object
  • Object
show all
Defined in:
lib/jkr/trial.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#params ⇒ Object (readonly)

Returns the value of attribute params.



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# File 'lib/jkr/trial.rb', line 8

def params
  @params
end

#result_dir ⇒ Object (readonly)

Returns the value of attribute result_dir.



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# File 'lib/jkr/trial.rb', line 9

def result_dir
  @result_dir
end

Class Method Details

.make_trials(resultset_dir, plan) ⇒ Object 



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# File 'lib/jkr/trial.rb', line 11

def self.make_trials(resultset_dir, plan)
  var_combs = [{}]
  plan.vars.each do |key, vals|
    var_combs = vals.map {|val|
      var_combs.map do |var_comb|
        var_comb.dup.merge(key => val)
      end
    }.flatten
  end

  params_list = var_combs.map{|var_comb| plan.params.merge(var_comb)}

  plan.param_filters.each do |filter|
    params_list = params_list.select(&filter)
  end

  params_list = params_list * plan.routine_nr_run

  params_list.map do |params|
    Trial.new(resultset_dir, plan, params)
  end
end

.pretty_time(seconds) ⇒ Object 



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# File 'lib/jkr/trial.rb', line 34

def self.pretty_time(seconds)
  hour = seconds / 3600
  min = (seconds - hour * 3600) / 60
  sec = seconds - hour * 3600 - min * 60

  sprintf("%02d:%02d:%02d", hour, min, sec)
end

.resume(env, plan) ⇒ Object 



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# File 'lib/jkr/trial.rb', line 95

def self.resume(env, plan)
  trials = self.make_trials(plan.resultset_dir, plan)

  save_info(plan, :last_resume_time => Time.now)

  plan.do_prep()
  trials.each do |trial|
    begin
      trial.run
    rescue Exception => err
      failed_dir = File.expand_path("../_failed_" + File.basename(trial.result_dir),
                                    trial.result_dir)
      i = 1
      while Dir.exists?(failed_dir)
        failed_dir = File.expand_path("../_failed_" + File.basename(trial.result_dir) + "_#{i}",
                                      trial.result_dir)
        i += 1
      end
      FileUtils.mv(trial.result_dir, failed_dir)
      save_info(plan, :last_failure_time => Time.now)

      raise err
    end
  end
  plan.do_cleanup()

  save_info(plan, :finish_time => Time.now)
end

.run(env, plan, delete_files_on_error = true) ⇒ Object 



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# File 'lib/jkr/trial.rb', line 42

def self.run(env, plan, delete_files_on_error = true)
  plan_suffix = File.basename(plan.file_path, ".plan")
  plan_suffix += "_#{plan.short_desc}" if plan.short_desc && plan.short_desc.size > 0
  resultset_dir = Utils.reserve_next_dir(env.jkr_result_dir, plan_suffix)
  plan.resultset_dir = resultset_dir
  FileUtils.mkdir_p(File.join(resultset_dir, "plan"))
  FileUtils.mkdir_p(File.join(resultset_dir, "script"))

  begin
    trials = self.make_trials(resultset_dir, plan)

    plan_dest_dir = File.join(resultset_dir, "plan")
    script_dest_dir = File.join(resultset_dir, "script")

    _plan = plan
    begin
      if _plan == plan # copy main plan file
        FileUtils.copy_file(_plan.file_path,
                            File.expand_path(File.basename(_plan.file_path), resultset_dir))
      else
        FileUtils.copy_file(_plan.file_path,
                            File.expand_path(File.basename(_plan.file_path),
                                           plan_dest_dir))
      end

      plan.used_scripts.each do |script_path|
        FileUtils.copy_file(script_path,
                            File.expand_path(File.basename(script_path),
                                             script_dest_dir))
      end
    end while _plan = _plan.base_plan

    params = plan.params.merge(plan.vars)
    plan.freeze

    save_info(plan, :start_time => Time.now)

    # show estimated execution time if available
    if plan.exec_time_estimate
      puts("")
      puts("== estimated execution time: #{pretty_time(plan.exec_time_estimate.call(plan))} ==")
      puts("")
    end
  rescue Exception => err
    if delete_files_on_error
      FileUtils.rm_rf(resultset_dir)
    end
    raise err
  end

  resume(env, plan)
end

.save_info(plan, data = {}) ⇒ Object 



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# File 'lib/jkr/trial.rb', line 124

def self.save_info(plan, data = {})
  info_path = File.expand_path("INFO", plan.resultset_dir)
  unless File.exists?(info_path)
    File.open(info_path, "w") do |f|
      f.puts(JSON.pretty_generate({}))
    end
  end

  info_data = JSON.load(File.open(info_path))
  info_data = info_data.merge(data)

  File.open(info_path, "w") do |f|
    f.puts(JSON.pretty_generate(info_data))
  end
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/jkr/trial.rb', line 147

def run()
  plan = @plan

  # check duplicate execution
  Dir.glob("#{@resultset_dir}/*").select do |path|
    File.basename(path) =~ /^[0-9]{5}$/
  end.each do |result_dir|
    params = Marshal.load(File.open("#{result_dir}/params.msh"))

    if params == @params
      # already executed trial. skip.
      return false
    end
  end

  # make result dir for this trial
  @result_dir = Utils.reserve_next_dir(@resultset_dir)

  Dir.chdir(@result_dir) do
    # save params
    File.open("#{@result_dir}/params.msh", "w") do |f|
      Marshal.dump(@params, f)
    end
    File.open("#{@result_dir}/params.json", "w") do |f|
      f.puts(JSON.pretty_generate(@params))
    end

    # reset plan.metastore
    plan.metastore.clear

    # define utility functions for plan.routine object
    Jkr::TrialUtils.define_routine_utils(@result_dir, @plan, @params)

    @plan.metastore[:vars] = @plan.vars.keys
    @plan.metastore[:trial_start_time] = Time.now
    @plan.do_routine(@plan, @params)
    @plan.metastore[:trial_end_time] = Time.now

    Jkr::TrialUtils.undef_routine_utils(@plan)

    # save plan.metastore
    Marshal.dump(@plan.metastore,
                 File.open("#{@result_dir}/metastore.msh", "w"))
    File.open("#{@result_dir}/metastore.json", "w") do |f|
      f.puts(JSON.pretty_generate(@plan.metastore))
    end
  end
end