python查询ES

注意：elasticsearch 的版本不能太高，建议安装7.13.0

pip install elasticsearch ==7.13.0

from elasticsearch import Elasticsearch

import logging

logger = logging.getLogger("inquiry_es")

logging.basicConfig(filename="logs/logging.txt",

                    level=logging.INFO,

                    format='{"time":"%(asctime)s","script":"%(name)s","thread":"%(thread)d",'

                          '"threadName":"%(threadName)s","loglevel":"%(levelname)s"} - %(message)s')

class search_es:

    def __init__(self,host,port="9200",user=None,passwd=None):

        self.host = host

        self.user = user

        self.passwd = passwd

        self.port = port

        self.es = Elasticsearch([f"{self.host}:{self.port}"]) if user is None else \

            Elasticsearch([f"{self.host}:{self.port}"],http_auth=(self.user, self.passwd))

    # 获取所有的index

    def get_indices(self):

        # for index in self.es.indices.get('*'):

        #    print(index)

        # indices = self.es.indices.get('*')

        indices = self.es.indices.get_alias().keys()

        indices = sorted(indices)

        # print(indices)

        return indices

    # 查询index

    def get_es(self,index,body={"size":10000,"query": {"match_all":{}}}):

        """

        提交查询参数，返回结果

        :return: es_data

        """

        try:

            logger.info(f"开始查询:{index}")

            # print(self.es.index)

            es_data = self.es.search(index=index,  body=body)

            logger.info(es_data)

            return es_data

        except Exception as e:

            logger.error(f"error:{e}", exc_info=True, stack_info=True)

            return {}