Module: Rails::Hyperdrive::ConsoleExecutor

Defined in:
lib/rails/hyperdrive/console_executor.rb

Defined Under Namespace

Classes: Result

Constant Summary collapse

DEFAULT_TIMEOUT_SECONDS = 
30

Class Method Summary collapse

Class Method Details

.eval(code, timeout: DEFAULT_TIMEOUT_SECONDS) ⇒ Object 



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# File 'lib/rails/hyperdrive/console_executor.rb', line 27

def eval(code, timeout: DEFAULT_TIMEOUT_SECONDS)
  original_stdout = $stdout
  original_stderr = $stderr
  captured_out = StringIO.new
  captured_err = StringIO.new
  $stdout = captured_out
  $stderr = captured_err

  started_at = monotonic_now
  result = nil
  exception = nil

  begin
    ::Timeout.timeout(timeout.to_f) do
      result = TOPLEVEL_BINDING.eval(code, "(hyperdrive run_ruby)", 1)
    end
  rescue Exception => e # rubocop:disable Lint/RescueException
    exception = e
  end

  Result.new(
    result: result,
    stdout: captured_out.string,
    stderr: captured_err.string,
    elapsed_ms: ((monotonic_now - started_at) * 1000).round,
    exception: exception
  )
ensure
  $stdout = original_stdout
  $stderr = original_stderr
end

.monotonic_now ⇒ Object 



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# File 'lib/rails/hyperdrive/console_executor.rb', line 59

def monotonic_now
  Process.clock_gettime(Process::CLOCK_MONOTONIC)
end