osd.py 文件源码

def _update_grains(self, content, filename="/etc/salt/grains"):
        """
        Update the yaml file without destroying other content
        """
        log.info("Updating {}".format(filename))

        # Keep yaml human readable/editable
        friendly_dumper = yaml.SafeDumper
        friendly_dumper.ignore_aliases = lambda self, data: True

        with open(filename, 'w') as minion_grains:
            minion_grains.write(yaml.dump(content,
                                          Dumper=friendly_dumper,
                                          default_flow_style=False))
        log.info("Syncing grains")
        __salt__['saltutil.sync_grains']()