def cache_context(self, context):
        '''
        Cache the given context to disk
        '''
        if not os.path.isdir(os.path.dirname(self.cache_path)):
            os.mkdir(os.path.dirname(self.cache_path))
        with salt.utils.files.fopen(self.cache_path, 'w+b') as cache:
            self.serial.dump(context, cache)
Cache the given context to disk