def __build_index_info(self, index):
        self.loggit.debug('Building index info dictionary')
        if not index in self.index_info:
            self.index_info[index] = {
                "age" : {},
                "number_of_replicas" : 0,
                "number_of_shards" : 0,
                "segments" : 0,
                "size_in_bytes" : 0,
                "docs" : 0,
                "state" : "",
            }
Ensure that `index` is a key in `index_info`. If not, create a
dataset/ETHPy150Open elastic/curator/curator/indexlist.py/IndexList.__build_index_info