Class: Mumukit::IsolatedEnvironment

Inherits:
Object
  • Object
show all
Defined in:
lib/mumukit/isolated_environment.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#container ⇒ Object

Returns the value of attribute container.



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# File 'lib/mumukit/isolated_environment.rb', line 7

def container
  @container
end

Instance Method Details

#configure!(*files) ⇒ Object 



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# File 'lib/mumukit/isolated_environment.rb', line 9

def configure!(*files)

  filenames = files.map { |it| File.absolute_path(it.path) }
  dirnames = filenames.map { |it| Pathname.new(it).dirname }

  binds = dirnames.map { |it| "#{it}:#{it}" }
  volumes = Hash[[dirnames.map { |it| [it, {}] }]]

  command = yield(*filenames).split

  self.container = Docker::Container.create(
      'Image' => Mumukit.config.docker_image,
      'Cmd' => command,
      'NetworkDisabled' => true,
      'HostConfig' => {
          'Binds' => binds},
      'Volumes' => volumes)
end

#destroy! ⇒ Object 



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# File 'lib/mumukit/isolated_environment.rb', line 44

def destroy!
  if container
    container.stop
    container.delete
  end
end

#run! ⇒ Object 



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# File 'lib/mumukit/isolated_environment.rb', line 28

def run!
  container.start
  container.wait(Mumukit.config.command_time_limit)

  exit = container.json['State']['ExitCode']
  out = container.streaming_logs(stdout: true, stderr: true)

  if exit == 0
    [out, :passed]
  else
    [out, :failed]
  end
rescue Docker::Error::TimeoutError => e
  [I18n.t('mumukit.time_exceeded', limit: Mumukit.config.command_time_limit), :aborted]
end