manager.py 文件源码

def __init__(self, loader=None, inventory=None):

        self._nonpersistent_fact_cache = defaultdict(dict)
        self._vars_cache = defaultdict(dict)
        self._extra_vars = defaultdict(dict)
        self._host_vars_files = defaultdict(dict)
        self._group_vars_files = defaultdict(dict)
        self._inventory = inventory
        self._loader = loader
        self._hostvars = None
        self._omit_token = '__omit_place_holder__%s' % sha1(os.urandom(64)).hexdigest()
        self._options_vars = defaultdict(dict)

        # bad cache plugin is not fatal error
        try:
            self._fact_cache = FactCache()
        except AnsibleError as e:
            display.warning(to_native(e))
            # fallback to a dict as in memory cache
            self._fact_cache = {}