def delete_all(self):
        '''
        Delete all keys
        '''
        for status, keys in six.iteritems(self.list_keys()):
            for key in keys:
                try:
                    os.remove(os.path.join(self.opts['pki_dir'], status, key))
                except (__HOLE__, IOError):
                    pass
        self.check_minion_cache()
        return self.list_keys()
dataset/ETHPy150Open saltstack/salt/salt/key.py/RaetKey.delete_all