Method check_minion_cache

salt/key.py:470–498

Check the minion cache to make sure that old minion data is cleared Optionally, pass in a list of minions which should have their caches preserved. To preserve all caches, set __opts__['preserve_minion_cache']

(self, preserve_minions=None)

        return self.master_keys.gen_signature(priv, pub, sign_path)

    def check_minion_cache(self, preserve_minions=None):
        """
        Check the minion cache to make sure that old minion data is cleared

        Optionally, pass in a list of minions which should have their caches
        preserved. To preserve all caches, set __opts__['preserve_minion_cache']
        """
        if self.opts.get("preserve_minion_cache", False):
            return

        if preserve_minions is None:
            preserve_minions = []
        preserve_minions = set(preserve_minions)

        keys = self.list_keys()

        for val in keys.values():
            preserve_minions.update(val)

        # we use a new cache instance here as we dont want the key cache
        cache = salt.cache.factory(self.opts)

        for bank in ["grains", "pillar"]:
            clist = set(cache.list(bank))
            for minion in clist - preserve_minions:
                # pillar optionally encodes pillarenv in the key as minion:$pillarenv
                if ":" in minion and minion.split(":")[0] in preserve_minions:
                    continue
                cache.flush(bank, minion)

    def check_master(self):
        """