code: def set_overrides(args, _conf=None):
      
      # Get the subcommand name to avoid overwritting values from other
      # subcommands that are not going to be used
      subcommand = args.func.__name__
      command_section = 'ceph-deploy-%s' % subcommand
      conf = _conf or load()
  
      for section_name in conf.sections():
          if section_name in ['ceph-deploy-global', command_section]:
              override_subcommand(
                  section_name,
                  conf.items(section_name),
                  args
              )
      return args
docs: Read the configuration file and look for ceph-deploy sections
      to set flags/defaults from the values found. This will alter the
      ``args`` object that is created by argparse.