purge.py 文件源码

def roles():
    """
    Remove the roles from the cluster/*.sls files
    """
    # Keep yaml human readable/editable
    friendly_dumper = yaml.SafeDumper
    friendly_dumper.ignore_aliases = lambda self, data: True

    cluster_dir = '/srv/pillar/ceph/cluster'
    for filename in os.listdir(cluster_dir):
        pathname = "{}/{}".format(cluster_dir, filename)
        content = None
        with open(pathname, "r") as sls_file:
            content = yaml.safe_load(sls_file)
        log.info("content {}".format(content))
        if 'roles' in content:
            content.pop('roles')
        with open(pathname, "w") as sls_file:
            sls_file.write(yaml.dump(content, Dumper=friendly_dumper,
                           default_flow_style=False))