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hbyd_ueba/utils/db2json.py

158 lines
6.2 KiB

# coding=utf-8
"""
@Author: fu-zhe
@FileName: db2json.py
@DateTime: 2024/5/15 10:19
@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
"""
import json
import traceback
import random,string
import traceback,json
import time
from datetime import datetime,timedelta
from dataInterface.functions import CFunction
from dataInterface.db.params import CPgSqlParam
from uebaMetricsAnalysis.utils.ext_logging import logger
class DBType(object):
LIST = 'list'
DICT = 'dict'
JOB_TABLE_NAME = "ueba_jobs"
ANALYSIS_TABLE_NAME = "ueba_analysis_log"
class DBUtils(object):
@classmethod
def transition(cls, filed, sql, data_type):
"""
数据转换 将json格式的data转换成前端方便使用的 json
:param data_type: 转换数据类型 目前有 list dict两种
:param filed: list 格式 数据库字段 例如 select id, name from table; filed= ['id','name']
:param sql: sql语句 `select * from table`
:return: [{filed1: value1, filed2: value2,···}, ····] 或 {filed1: value1, filed2: value2,···}
"""
data = cls.execute(sql=sql)
if cls.is_list_of_empty_lists(data):
return eval(data_type)()
if data_type == DBType.DICT:
data = data[0]
if len(filed) != len(data):
raise Exception("{}与数据库查询结果长度不一致".format(filed))
res = {cls.snake2camel(filed[i]): data[i] for i in range(len(filed))}
logger.info("res = {}".format(res))
return res
if data_type == DBType.LIST:
res = []
if not data:
return res
for item in data:
if len(item) != len(filed):
raise Exception("{}与数据库查询结果长度不一致".format(filed))
res.append({cls.snake2camel(filed[i]): item[i] for i in range(len(filed))})
return res
@classmethod
def snake2camel(cls, snake_filed):
"""
蛇形命名转换小驼峰命名
:param snake_filed: 蛇形命名 例如 user_name
:return: 驼峰命名 user_name ---> userName
"""
if not snake_filed or not isinstance(snake_filed, str):
return snake_filed
parts = snake_filed.split('_')
# 转换第一个单词为小写,其余单词首字母大写
camel = parts[0] + ''.join(word.capitalize() for word in parts[1:])
return camel
@classmethod
def execute(cls, sql):
"""
执行sql语句
:param sql: sql语句
:return:
"""
try:
sql_list = CPgSqlParam(sql)
logger.info("execute sql:"+sql)
data = CFunction.execute(sql_list)
logger.info("execute result : {}".format(data))
return json.loads(data)
except Exception as e:
logger.error("execute sql error sql: \n {}\n tracback: {}\n".format(sql, traceback.format_exc()))
raise Exception("查询失败")
@classmethod
def is_list_of_empty_lists(cls, target_list):
# 更清晰地检查每个子列表是否为空
return all(not sublist or len(sublist) == 0 for sublist in target_list)
@classmethod
def list_snake2camel(cls, snake_list):
"""
将列表中 字典的snake命名变成camel命名格式
:param snake_list: list内部都是蛇形命名的dict `[{'user_name':'', 'user_age': ''}]`
:return: `[{'user_name':'', 'user_age': ''}]` ----> `[{'userName':'', 'userAge':''}]`
"""
camel_list = []
for snake_dict in snake_list:
camel_list.append({cls.snake2camel(snake): value for snake, value in snake_dict.items()})
return camel_list
@classmethod
def write_job_status(self,job_id,status,err):
#success
if status == 2:
sql = """update {JOB_TABLE_NAME} set status=%s ,complate_time = %s
where job_id=%s """.format(JOB_TABLE_NAME=JOB_TABLE_NAME)
CFunction.execute(CPgSqlParam(sql, params=(status,datetime.now(), job_id)))
#failed
if status == 3:
sql = """update {JOB_TABLE_NAME} set status=%s, err=%s
where job_id=%s """.format(JOB_TABLE_NAME=JOB_TABLE_NAME)
CFunction.execute(CPgSqlParam(sql, params=(status, err, job_id)))
@classmethod
def insert_job_record(self,job_id,start_time,end_time,status):
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)
CFunction.execute(CPgSqlParam(sql, params=(job_id,start_time, end_time,status)))
#获取 job的执行时间 开始时间-结束时间
@classmethod
def get_job_period(self):
sql = """select job_id, to_char(end_time,'YYYY-MM-DD HH24:MI:SS') as end_time from {JOB_TABLE_NAME} order by end_time desc limit 1""".format(JOB_TABLE_NAME=JOB_TABLE_NAME)
res = json.loads(CFunction.execute(CPgSqlParam(sql, params=())))
data = {}
if res:
data["job_id"]=res[0][0]
data["end_time"]=res[0][1]
fields=["job_id", "end_time"]
#data = DBUtils.transition(fields, sql, DBType.LIST)
if len(data)==0:
start_time = datetime.now() - timedelta(minutes=5)
end_time = datetime.now()
if len(data)>0:
start_time = data["end_time"]
start_time = datetime.strptime(start_time, '%Y-%m-%d %H:%M:%S')
end_time = data["end_time"]
end_time = datetime.strptime(end_time, '%Y-%m-%d %H:%M:%S') + timedelta(minutes=5)
if end_time > datetime.now():
return None,None
start_time ,end_time =self.adjust_end_time_if_cross_day(start_time,end_time)
return start_time,end_time
@classmethod
#处理跨天的场景
def adjust_end_time_if_cross_day(self,start_time, end_time):
if start_time.date() != end_time.date():
end_time = datetime.combine(start_time.date(), datetime.time(23, 59, 59, 999999))
return start_time, end_time
# if __name__ == '__main__':
# DBUtils.get_job_period()