#!/usr/bin/env python2.7
#-*- encoding: utf-8 -*-
"""
该模块用于提取每天mysql日志中的异常或错误信息
author: xiaomo
email: moxiaomomo@gmail.com
"""
import os
import sys
import string
from datetime import *
# 預設字符解碼器為utf-8
reload(sys)
sys.setdefaultencoding('utf-8')
COMMON_FLAGS = ["error", "exception", "fail", "crash", "repair"]
def _contain_flag(cur_str):
for flag in COMMON_FLAGS:
if flag in string.lower(cur_str):
return True
return False
"""
获取当前mysql实例的error_log文件路径
"""
def _get_mysql_error_log_path():
log_path = ''
grep_infos = os.popen('ps aux | grep mysql | grep "log-error"').read()
if len(grep_infos) > 1:
grep_infos = grep_infos.split("log-error=")
if len(grep_infos) > 1:
grep_infos = grep_infos[1].split(' ')
if len(grep_infos) > 1:
log_path = grep_infos[0]
return log_path
"""
读取mysql错误日志中包含异常或错误信息的行
"""
def _get_error_info(error_log, begin_date):
error_infos = []
f = open(error_log, 'r')
lines = f.readlines()
for line in lines:
data_array = line.split(' ')
if len(data_array) > 0 and len(data_array[0]) == 10:
dt_strs = data_array[0].split('-')
cur_date = date(int(dt_strs[0]), int(dt_strs[1]), int(dt_strs[2]))
if cur_date >= begin_date and _contain_flag(line):
error_infos.append(line)
f.close()
return error_infos
"""
组装并返回mysql错误日志信息
"""
def get_mysql_errors(begin_date=date.today()-timedelta(1)):
try:
err_log_path = _get_mysql_error_log_path()
if len(err_log_path) > 1:
return _get_error_info(err_log_path, begin_date)
except Exception,e:
print "[get_mysql_errors]%s"%e
return []
