python 操作 ElasticSearch ES

曾经终败给现在 2022-10-14 10:57 193阅读 0赞

安装环境
    pip3 install elasticsearch
    #pip3 install urllib3-1.26.4-py2.py3-none-any.whl --no-deps
    #pip3 install certifi-2020.12.5-py2.py3-none-any.whl --no-deps
    #pip3 install elasticsearch-7.12.1-py2.py3-none-any.whl
    
    
    import time
    from elasticsearch import Elasticsearch
    host="192.168.1.1"
    port=9200
    def init():
        es = Elasticsearch(hosts=host, port=9200, timeout=200)
        # es = Elasticsearch(hosts=host, port=9200, timeout=200 , http_auth=())
        return es
    def search(index,type,q):
        es = init()
        if not q:
            q={"query":{"match_all":{}}}
        query = es.search(index=index, doc_type=type, body=q)
        # es查询出的结果第一页
        results = query['hits']['hits']
        # es查询出的结果总量
        total = query['hits']['total']
        # 游标用于输出es查询出的所有结果
        # scroll_id = results['_scroll_id']
        data={}
        for hit in results:
            print(hit['_source'])
            for k in hit['_source'].keys():
                data[k]=hit['_source'][k]
        return data
    
    def create_index(index):
        es = init()
        if es.indices.exists(index=index) is not True:
            res = es.indices.create(index=index)
            return res
    def write_list(index,type,id=None,list=[]):
        es = init()
        for item in list:
            if not id:
                res = es.index(index=index, doc_type=type, body=item)
            else:
                res = es.index(index=index, doc_type=type,id=id, body=item)
    def write_row(index,type,id=None,dic={}):
        es = init()
        dic["date"]=time.strftime("%Y-%m-%dT%H:%M:%S+0800",time.localtime())
        if not id:
            res = es.index(index=index, doc_type=type, body=dic)
        else:
            res = es.index(index=index, doc_type=type, id=id, body=dic)
        return res
    
    def delete(index,type,id):
        es = init()
        res = es.delete(index=index, doc_type=type, id=id)
        return res
    def delete_index(index):
        es = init()
        res = es.indices.delete(index=index)
        return res
    def delete_query(index,type,q):
        es = init()
        if not q:
            q = {"query": {"match_all": {}}}
        res = es.delete_by_query(index=index, doc_type=type,body=q)
        return res
    if __name__=="__main__":
        # res=delete("test123123","data",'3ZYhiXkBFS00-fnQRMH_')
        delete_index("test")
        # print(res)
        # res=search("test","data",None)
        # print(res)
        # create_index("test","data")
        # create_index("test")
        # list = [
        #     {"cpu": 0.9,
        #      "count": 100,
        #      "date": time.strftime("%Y-%m-%dT%H:%M:%S+0800",time.localtime())
        #      },
        #     {"cpu": 0.5,
        #      "count": 50,
        #      "date": time.strftime("%Y-%m-%dT%H:%M:%S+0800",time.localtime())
        #      },
        # ]
        # write_list("vpn","data",list)
        # row={"cpu": 0.5,
        #      "count": 200,
        #      "date":time.strftime("%Y-%m-%dT%H:%M:%S+0800",time.localtime())
        #      }
        # write_row(index="test",type="data",id=int(time.time()),dic=row)
        # # print(time.strftime("%Y-%m-%dT%H:%M:%SZ",time.localtime()))