如何用python编写的简单的mysql巡检脚本

千家信息网最后更新 2026年11月02日如何用python编写的简单的mysql巡检脚本

如何用python编写的简单的mysql巡检脚本，相信很多没有经验的人对此束手无策，为此本文总结了问题出现的原因和解决方法，通过这篇文章希望你能解决这个问题。

准备工作：
1 安装python 3.5，本次使用源码安装。
2 安装psutil模块，使用python3.5自带的easy_install包直接运行
cd /opt/python3/bin
./easy_install-3.5 psuitl安装
3 安装mysql_connector模块，同样使用easy_install安装
easy_install-3.5 mysql-connector==2.1.4

准备工作完成后便可运行如下脚本：
[mysql@jing1 scripts]$ more healthcheck.py
#!/usr/bin/env python3
# -*- coding: gbk -*-


import psutil
import mysql.connector
import argparse
import json
import datetime


def get_cpu_info(verbose):
cpu_info={}
if verbose >0:
print("[cpu] start collect cpu info ...")
data=psutil.cpu_times_percent(3)
cpu_info['user']=data[0]
cpu_info['system']=data[2]
cpu_info['idle']=data[3]
cpu_info['iowait']=data[4]
cpu_info['hardirq']=data[5]
cpu_info['softirq']=data[6]
cpu_info['cpu_cores']=psutil.cpu_count()
if verbose >0:
print("{0}".format(json.dumps(cpu_info,ensure_ascii=False,indent=4)))
print("[cpu] collection compeleted ...")
return cpu_info


def get_mem_info(verbose):
mem_info={}
if verbose >0:
print("[mem] start collect mem info ...")
data=psutil.virtual_memory()
mem_info['total']=data[0]/1024/1024/1024
mem_info['avariable']=data[1]/1024/1024/1024
if verbose>0:
print("{0}".format(json.dumps(mem_info,ensure_ascii=False,indent=4)))
print("[mem] collection compeletd ...")
return mem_info


def get_disk_info(verbose):
disk_info={}
if verbose >0:
print("[disk] start collect disk info ...")
partitions=psutil.disk_partitions()
partitions=[(partition[1],partition[2])for partition in partitions if partition[2]!='iso9660']
disk_info={}
for partition in partitions:
disk_info[partition[0]]={}
disk_info[partition[0]]['fstype']=partition[1]
for mount_point in disk_info.keys():
data=psutil.disk_usage(mount_point)
disk_info[mount_point]['total']=data[0]/1024/1024/1024
disk_info[mount_point]['used_percent']=data[3]
if verbose >0:
print("{0}".format(json.dumps(disk_info,ensure_ascii=False,indent=4)))
print("[disk] collection compeleted ....")
return disk_info


def get_mysql_info(cnx_args,status_list):
config={
'user':cnx_args.user,
'password':cnx_args.password,
'host':cnx_args.host,
'port':cnx_args.port}
cnx=None
cursor=None
mysql_info={}
try:
cnx=mysql.connector.connect(**config)
cursor=cnx.cursor(prepared=True)
for index in range(len(status_list)):
status_list[index].get_status(cursor)
status=status_list[index]
mysql_info[status.name]=status.value
mysql_info['port']=config['port']
except mysql.connector.Error as err:
print(err)
finally:
if cursor != None:
cursor.close()
if cnx != None:
cnx.close()
return mysql_info


class Status(object):
def __init__(self,name):
self.name=name
self._value=None




def get_status(self,cursor):
stmt="show global status like '{0}';".format(self.name)
cursor.execute(stmt)
value=cursor.fetchone()[1].decode('utf8')
self._value=int(value)




@property
def value(self):
if self._value==None:
raise Exception("cant get value befor execute the get_status function")
else:
return self._value


IntStatus=Status




class diskResource(object):
def __init__(self,mount_point,status):
self.mount_point=mount_point
self.status=status


def __str__(self):
result='''

\n'''.format(self.mount_point,self.status['fstype'],self.status['total'],self.status['used_percent']
)
return result


class diskResources(object):
def __init__(self,status):
self.disks=[]
for mount_point in status.keys():
self.disks.append(diskResource(mount_point,status[mount_point]))


def __str__(self):
result=''' \n'''
return result


class cpuResources(object):
def __init__(self,status):
self.status=status
def __str__(self):
result=''' \n'''.format(self.status['user'],self.status['system'],self.status['idle'],self.status['hardirq'],self.statu
s['softirq'],self.status['iowait'])
return result


class memResources(object):
def __init__(self,status):
self.status=status


def __str__(self):
result=''' '''.format(self.status['total'],self.status['avariable'])
return result




class mysqlResources(object):
def __init__(self,status):
self.status=status
def __str__(self):
result=''' '''.format(self.status['port'],self.status['Innodb_log_waits'],self.status['Binlog_cache_use'],
self.status['Created_tmp_disk_tables'],self.status['Slow_queries'])


return result


class hostResources(object):
def __init__(self,cpu_info,mem_info,disk_info,mysql_info,report_title='MySQL health check'):
self.cpu=cpuResources(cpu_info)
self.mem=memResources(mem_info)
self.disk=diskResources(disk_info)
self.mysql=mysqlResources(mysql_info)
self.report_title=report_title
def __str__(self):
result='''









'''
return result




if __name__=="__main__":
parser=argparse.ArgumentParser()
parser.add_argument('--verbose',type=int,default=1,help='verbose for output')
parser.add_argument('--user',default='system',help='user name for connect to mysql')
parser.add_argument('--password',default='welcome123',help='user password for connect to mysql')
parser.add_argument('--host',default='127.0.0.1',help='mysql host ip')
parser.add_argument('--port',default=3306,type=int,help='mysql port')
parser.add_argument('--int-status',default=('Com_select,Com_insert,Com_update,Com_delete,Innodb_log_waits,'
'Binlog_cache_disk_use,Binlog_cache_use,Created_tmp_disk_tables,'
'Slow_queries')
,help='mysql status its value like int')
parser.add_argument('--report-title',default='MySQL health check',help='report title')
parser.add_argument('--output-dir',default='/tmp/',help='default report file output path')
args=parser.parse_args()
cpu_info=get_cpu_info(args.verbose)
mem_info=get_mem_info(args.verbose)
disk_info=get_disk_info(args.verbose)
status_list=[ IntStatus(name=item) for item in args.int_status.split(',')]
mysql_info=get_mysql_info(args,status_list)
#dr=diskResources(disk_info)
#cr=cpuResources(cpu_info)
#mr=memResources(mem_info)
#msr=mysqlResources(mysql_info)
hr=hostResources(cpu_info,mem_info,disk_info,mysql_info,args.report_title)
now=str(datetime.datetime.now()).replace(' ','^')
if args.output_dir.endswith('/') != True:
args.output_dir=args.output_dir+'/'
filename=args.output_dir+'mysql_inspection_{0}.html'.format(now)
with open(filename,'w') as output:
output.write(hr.__str__())
print('[report] the report been saved to {0} ok.... ....'.format(filename))

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