nagios监控mysql tps---check_mysql_tps.py

#!/usr/bin/python2.7
# -*- coding:utf-8 -*-
from __future__ import division
from optparse import OptionParser
import commands,sys,jastme,re
from datetime import datetime
"""
    Nagios plugin to report the mysql TPS
    author jastme
"""

parser = OptionParser(usage="%prog -w <warning threshold> -c <critical threshold> [ -h ]\n\nBefore use the script,please execute 'grant usage on *.* to monitor@'127.0.0.1' identified by 'monitor';\nflush privileges",version="%prog ")
        
parser.add_option("-w", "--warning",action="store", type="string", dest="warn_threshold", help="Warning threshold in percentage")
        
parser.add_option("-c", "--critical",action="store", type="string", dest="crit_threshold", help="Critical threshold in percentage")
        
(options, args) = parser.parse_args()

try:
    f=open('/tmp/Com_commit.txt')
except IOError:
    f=open('/tmp/Com_commit.txt','w')
    print 'wait next check,initialize the date time.txt'
finally:    
    f.close()

try:
    f=open('/tmp/Com_rollback.txt')
except IOError:
    f=open('/tmp/Com_rollback.txt','w')
    print 'wait next check,initialize the date time.txt'
finally:    
    f.close()

try:
    f=open('/tmp/tpstime.txt')
except IOError:
    f=open('/tmp/tpstime.txt','w')
    print 'wait next check,initialize the date time.txt'
finally:    
    f.close()

class Monitor:

    def __init__(self,username,password,hostname,port):
        """ you can call sam var here """
        self.username = username
        self.password = password
        self.port = port
        self.hostname = hostname

    def __Com_commit(self):

        now=commands.getoutput(''' mysql -u%s -p%s -h%s -P%s -e "show global status like 'Com_commit'" | grep -Po "\d+"  ''' %(self.username,self.password,self.hostname,self.port))
        now=re.findall(r'\d+',now)[0]
        f=open('/tmp/Com_commit.txt','r')
        before=f.readlines()
        f.close()
        if before == []:
            ff=open('/tmp/Com_commit.txt','w')
            ff.write(now)
            ff.close()
        else:
            before=before[-1]
            N = int(now)-int(before)
            ff=open('/tmp/Com_commit.txt','w')
            ff.write(now)
            ff.close()
            return N

    def __Com_rollback(self):

        now=commands.getoutput(''' mysql -u%s -p%s -h%s -P%s -e "show global status like 'Com_rollback'" | grep -Po "\d+" '''  %(self.username,self.password,self.hostname,self.port))
        now=re.findall(r'\d+',now)[0]
        f=open('/tmp/Com_rollback.txt','r')
        before=f.readlines()
        f.close()
        if before == []:
            ff=open('/tmp/Com_rollback.txt','w')
            ff.write(now)
            ff.close()
        else:
            before=before[-1]
            ff=open('/tmp/Com_rollback.txt','w')
            ff.write(now)
            ff.close()
            N = int(now)-int(before)
            return N

    def __Uptime(self):
        time_now=datetime.now()
        ff=open('/tmp/tpstime.txt','r')
        time_before_str=ff.read()
        ff.close()
        if time_before_str=='':
            ffw=open('/tmp/tpstime.txt','w')
            ffw.write(str(time_now))
            ffw.close()
        else:
            time_before=datetime.strptime(time_before_str,"%Y-%m-%d %H:%M:%S.%f")
            delay=(time_now-time_before).seconds
            ffw=open('/tmp/tpstime.txt','w')
            ffw.write(str(time_now))
            ffw.close()
            return delay


    def doit(self):
        _Com_commit = int(self.__Com_commit())
        _Com_rollback = int(self.__Com_rollback())
        _Uptime = int(self.__Uptime())
        R = ( _Com_rollback + _Com_commit) / _Uptime
        print "TPS is %.1f | TPS=%.1f" %(R,R)

if __name__ == "__main__":
    username = "monitor"
    password = str(jastme.decrypt(119,u'NALBOBJBCBHAGBOA'))
    hostname = "127.0.0.1"
    port = "3369"
    Monitor(username,password,hostname,port).doit()

mysql   TPS  监控脚本