Method fetch

salt/cache/__init__.py:171–203

Fetch data using the specified module :param bank: The name of the location inside the cache which will hold the key and its associated data. :param key: The name of the key (or file inside a directory) which will hold the da

(self, bank, key)

                return self.modules[fun](bank, key, data, **self.kwargs)

    def fetch(self, bank, key):
        """
        Fetch data using the specified module

        :param bank:
            The name of the location inside the cache which will hold the key
            and its associated data.

        :param key:
            The name of the key (or file inside a directory) which will hold
            the data. File extensions should not be provided, as they will be
            added by the driver itself.

        :return:
            Return a python object fetched from the cache or an empty dict if
            the given path or key not found.

        :raises SaltCacheError:
            Raises an exception if cache driver detected an error accessing data
            in the cache backend (auth, permissions, etc).
        """
        fun = f"{self.driver}.fetch"
        ret = self.modules[fun](bank, key, **self.kwargs)

        # handle fallback if necessary
        if isinstance(ret, dict) and set(ret.keys()) == {"data", "_expires"}:
            now = datetime.datetime.now().astimezone().timestamp()
            if ret["_expires"] > now:
                return ret["data"]
            else:
                return {}
        else:
            return ret

    def updated(self, bank, key):
        """