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109 lines
4.3 KiB
109 lines
4.3 KiB
# coding=utf-8
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"""
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@Author: fu-zhe
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@FileName: db2json.py
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@DateTime: 2024/5/15 10:19
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@Description: 数据库工具查询之后的数据为 list嵌套 需要转换成 前端方便识别的json数据
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"""
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import json
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import traceback
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from dataInterface.functions import CFunction
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from dataInterface.db.params import CPgSqlParam
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from uebaMetricsAnalysis.utils.ext_logging import logger
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class DBType(object):
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LIST = 'list'
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DICT = 'dict'
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JOB_TABLE_NAME = "ueba_clean_jobs"
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ANALYSIS_TABLE_NAME = "ueba_analysis_log"
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class DBUtils(object):
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@classmethod
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def transition(cls, filed, sql, data_type):
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"""
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数据转换 将json格式的data转换成前端方便使用的 json
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:param data_type: 转换数据类型 目前有 list dict两种
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:param filed: list 格式 数据库字段 例如 select id, name from table; filed= ['id','name']
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:param sql: sql语句 `select * from table`
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:return: [{filed1: value1, filed2: value2,···}, ····] 或 {filed1: value1, filed2: value2,···}
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"""
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data = cls.execute(sql=sql)
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if cls.is_list_of_empty_lists(data):
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return eval(data_type)()
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if data_type == DBType.DICT:
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data = data[0]
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if len(filed) != len(data):
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raise Exception("{}与数据库查询结果长度不一致".format(filed))
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res = {cls.snake2camel(filed[i]): data[i] for i in range(len(filed))}
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logger.info("res = {}".format(res))
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return res
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if data_type == DBType.LIST:
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res = []
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if not data:
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return res
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for item in data:
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if len(item) != len(filed):
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raise Exception("{}与数据库查询结果长度不一致".format(filed))
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res.append({cls.snake2camel(filed[i]): item[i] for i in range(len(filed))})
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return res
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@classmethod
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def snake2camel(cls, snake_filed):
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"""
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蛇形命名转换小驼峰命名
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:param snake_filed: 蛇形命名 例如 user_name
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:return: 驼峰命名 user_name ---> userName
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"""
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if not snake_filed or not isinstance(snake_filed, str):
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return snake_filed
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parts = snake_filed.split('_')
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# 转换第一个单词为小写，其余单词首字母大写
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camel = parts[0] + ''.join(word.capitalize() for word in parts[1:])
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return camel
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@classmethod
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def execute(cls, sql):
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"""
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执行sql语句
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:param sql: sql语句
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:return:
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"""
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try:
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sql_list = CPgSqlParam(sql)
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logger.info("execute sql :\n {}\n".format(sql))
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data = CFunction.execute(sql_list)
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logger.info("execute result : {}".format(data))
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return json.loads(data)
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except Exception as e:
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logger.error("execute sql error sql: \n {}\n tracback: {}\n".format(sql, traceback.format_exc()))
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raise Exception("查询失败")
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@classmethod
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def is_list_of_empty_lists(cls, target_list):
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# 更清晰地检查每个子列表是否为空
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return all(not sublist or len(sublist) == 0 for sublist in target_list)
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@classmethod
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def list_snake2camel(cls, snake_list):
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"""
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将列表中 字典的snake命名变成camel命名格式
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:param snake_list: list内部都是蛇形命名的dict `[{'user_name':'', 'user_age': ''}]`
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:return: `[{'user_name':'', 'user_age': ''}]` ----> `[{'userName':'', 'userAge':''}]`
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"""
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camel_list = []
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for snake_dict in snake_list:
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camel_list.append({cls.snake2camel(snake): value for snake, value in snake_dict.items()})
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return camel_list
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@classmethod
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def write_job_status(self,job_id,status,err):
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sql = """update {JOB_TABLE_NAME} set status=%s err=%s
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where job_id=%s """.format(JOB_TABLE_NAME=JOB_TABLE_NAME)
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CFunction.execute(CPgSqlParam(sql, params=(status, err, job_id)))
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@classmethod
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def insert_job_record(self,job_id,start_time,end_time,status):
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sql = """insert into {JOB_TABLE_NAME}(job_id,start_time,end_time,status) values(%s,%s,%s,%s)""".format(JOB_TABLE_NAME=JOB_TABLE_NAME)
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CFunction.execute(CPgSqlParam(sql, params=(job_id,start_time, end_time,status))) |