text: """The module describes the ``uname`` job metrics plugin."""
  from ..instrumenters import InstrumentPlugin
  from ...metrics import formatting
  
  
  class UnameFormatter(formatting.JobMetricFormatter):
  
      def format(self, key, value):
          return "Operating System", value
  
  
  class UnamePlugin(InstrumentPlugin):
      """ Use uname to gather operating system information about remote system
      job is running on. Linux only.
      """
      plugin_type = "uname"
      formatter = UnameFormatter()
  
      def __init__(self, **kwargs):
          self.uname_args = kwargs.get("args", "-a")
  
      def pre_execute_instrument(self, job_directory):
          return "uname %s > '%s'" % (self.uname_args, self.__instrument_uname_path(job_directory))
  
      def job_properties(self, job_id, job_directory):
          properties = {}
          with open(self.__instrument_uname_path(job_directory)) as f:
              properties["uname"] = f.read()
          return properties
  
      def __instrument_uname_path(self, job_directory):
          return self._instrument_file_path(job_directory, "uname")
  
  
  __all__ = ('UnamePlugin', )
  