code: def is_hyper():
      '''
      Returns a bool whether or not this node is a hypervisor of any kind
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' virt.is_hyper
      '''
      try:
          if __grains__['virtual_subtype'] != 'Xen Dom0':
              return False
      except KeyError:
          # virtual_subtype isn't set everywhere.
          return False
      try:
          with salt.utils.files.fopen('/proc/modules') as fp_:
              if 'xen_' not in salt.utils.stringutils.to_unicode(fp_.read()):
                  return False
      except (OSError, IOError):
          return False
      # there must be a smarter way...
      return 'xenstore' in __salt__['cmd.run'](__grains__['ps']f is_hyper():
      '''
      Returns a bool whether or not this node is a hypervisor of any kind
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' virt.is_hyper
      '''
      try:
          if __grains__['virtual_subtype'] != 'Xen Dom0':
              return False
      except KeyError:
          # virtual_subtype isn't set everywhere.
          return False
      try:
          with salt.utils.files.fopen('/proc/modules') as fp_:
              if 'xen_' not in salt.utils.stringutils.to_unicode(fp_.read()):
                  return False
      except (OSError, IOError):
          return False
      # there must be a smarter way...
      return 'xenstore' in __salt__['cmd.run'](__grains__['ps'])
docs: Returns a bool whether or not this node is a hypervisor of any kind
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' virt.is_hyper