#!/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 *
# ?A?O字符解?a器??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
[]