#!/usr/bin/python2.7
# -*- coding:utf-8 -*-
from optparse import OptionParser
import commands,sys,jastme,re
from datetime import datetime
"""Nagios plugin to report the mysql R/W Ratioauthor 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()class Monitor:def __init__(self,username,password,hostname,port):""" you can call sam var here """self.username = usernameself.password = passwordself.port = portself.hostname = hostnamedef __Qcache_hits(self,):R=commands.getoutput(''' mysql -u%s -p%s -h%s -P%s -e "show global status like 'Qcache_hits'" | grep -Po "\d+"  ''' %(self.username,self.password,self.hostname,self.port))return Rdef __Com_select(self):R=commands.getoutput(''' mysql -u%s -p%s -h%s -P%s -e "show global status like 'Com_select'" | grep -Po "\d+" '''  %(self.username,self.password,self.hostname,self.port))return Rdef __Com_insert(self):R=commands.getoutput(''' mysql -u%s -p%s -h%s -P%s -e "show global status like 'Com_insert'" | grep -Po "\d+" '''  %(self.username,self.password,self.hostname,self.port))return Rdef __Com_update(self):R=commands.getoutput(''' mysql -u%s -p%s -h%s -P%s -e "show global status like 'Com_update'" | grep -Po "\d+" '''  %(self.username,self.password,self.hostname,self.port))return Rdef __Com_delete(self):R=commands.getoutput(''' mysql -u%s -p%s -h%s -P%s -e "show global status like 'Com_delete'" | grep -Po "\d+" '''  %(self.username,self.password,self.hostname,self.port))return Rdef __Com_replace(self):R=commands.getoutput(''' mysql -u%s -p%s -h%s -P%s -e "show global status like 'Com_replace'" | grep -Po "\d+" '''  %(self.username,self.password,self.hostname,self.port))return Rdef __doit(self):_Qcache_hits = int(re.findall(r"\d+",self.__Qcache_hits())[0])_Com_select = int(re.findall(r"\d+",self.__Com_select())[0])_Com_insert = int(re.findall(r"\d+",self.__Com_insert())[0])_Com_update = int(re.findall(r"\d+",self.__Com_update())[0])_Com_delete = int(re.findall(r"\d+",self.__Com_delete())[0])_Com_replace = int(re.findall(r"\d+",self.__Com_replace())[0])R = ( _Com_select + _Qcache_hits) / ( _Com_insert + _Com_update + _Com_delete + _Com_replace ) * 100return Rdef Result(self):R = self.__doit()print "R/W Ratio is %d | R/W Ratio=%d" %(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).Result()