openVZ架构VPS母机服务器内存超售检测脚本 - VPS教程
注意：这是一个python脚本，将以下文本保存为vz_checker.py后开始运行。#!/usr/bin/env python#-*- coding:utf-8 -*-import sysclass beanAttr: held = 0 maxheld = 0 barrier = 0 limit = 0 failcnt = 0 def getNum(self, num, type):if type == 'k': return num/1024.0elif type == 'm': return num/(1024.0 * 1024.0)elif type == 'g': return num/(1024.0 * 1024.0 * 1024.0)elif type == 'w': return num/10000.0elif type == 'e': return num/(10000.0 * 10000.0)elif type == 'n': return numelse: raise Exception("type not support") return None def getHeld(self, type):return self.getNum(self.held, type) def getMaxHeld(self, type):return self.getNum(self.maxheld, type) def getBarrier(self, type):return self.getNum(self.barrier, type) def getLimit(self, type):return self.getNum(self.limit, type) def getFailcnt(self, type):return self.getNum(self.failcnt, type)class beanPageAttr(beanAttr): def getNum(self, num, type):return beanAttr.getNum(self, num * 4096, type)class Kmemsize(beanAttr): passclass Lockedpages(beanPageAttr): passclass Privvmpages(beanPageAttr): passclass Shmpages(beanPageAttr): passclass Numproc(beanAttr): passclass Physpages(beanPageAttr): passclass Vmguarpages(beanPageAttr): passclass Oomguarpages(beanPageAttr): passclass Numtcpsock(beanAttr): passclass Numflock(beanAttr): passclass Numpty(beanAttr): passclass Numsiginfo(beanAttr): passclass Tcpsndbuf(beanAttr): passclass Tcprcvbuf(beanAttr): passclass Othersockbuf(beanAttr): passclass Dgramrcvbuf(beanAttr): passclass Numothersock(beanAttr): passclass Dcachesize(beanAttr): passclass Numfile(beanAttr): passclass Numiptent(beanAttr): passclass beanData: _uid = None _cur = None kmemsize = Kmemsize() lockedpages = Lockedpages() privvmpages = Privvmpages() shmpages = Shmpages() numproc = Numproc() physpages = Physpages() vmguarpages = Vmguarpages() oomguarpages = Oomguarpages() numtcpsock = Numtcpsock() numflock = Numflock() numpty = Numpty() numsiginfo = Numsiginfo() tcpsndbuf = Tcpsndbuf() tcprcvbuf = Tcprcvbuf() othersockbuf = Othersockbuf() dgramrcvbuf = Dgramrcvbuf() numothersock = Numothersock() dcachesize = Dcachesize() numfile = Numfile() numiptent = Numiptent() class Line: msgPos = 0 ptr = 0 inMsg = 0 def __init__(self, line):self.msgPos = 0self.ptr = 0self.inMsg = 0self.line = line def getOutMsgTry(self):if self.inMsg != 1: return Nonetmp_ptr = self.ptrwhile self.line != ' ': if self.line == '\n': break tmp_ptr += 1return tmp_ptr def getOutMsg(self):resu_ptr = self.getOutMsgTry()if resu_ptr != None: self.ptr = resu_ptr self.inMsg = 0 return 1else: return 0 def getInMsg(self):if self.inMsg != 0: returnwhile self.line == ' ': self.ptr += 1self.inMsg = 1self.msgPos +=1 def getAttrNum(self):param_end_ptr = self.getOutMsgTry()assert param_end_ptr != Noneparam = int(self.line)return paramdef splitLine(bd, line_obj): resu = {} while line_obj.line != '\n':line_obj.getOutMsg()line_obj.getInMsg()if line_obj.msgPos == 1: if line_obj.line.isdigit(): j = line_obj.ptr + 1 while line_obj.line.isdigit(): j += 1 bd._uid = int(line_obj.line) line_obj.msgPos = 0 else: param_end_ptr = line_obj.getOutMsgTry() assert param_end_ptr != None param = line_obj.line if hasattr(bd, param): bd._cur = getattr(bd, param) else: breakif line_obj.msgPos == 2: bd._cur.held = line_obj.getAttrNum()if line_obj.msgPos == 3: bd._cur.maxheld = line_obj.getAttrNum()if line_obj.msgPos == 4: bd._cur.barrier = line_obj.getAttrNum()if line_obj.msgPos == 5: bd._cur.limit = line_obj.getAttrNum()if line_obj.msgPos == 6: bd._cur.failcnt = line_obj.getAttrNum() if len(sys.argv) < 2: print 'Useage: \npython vz_checker.py filename' exit()bd = beanData()filename = sys.argvprint 'filename is:[%s]'%(filename)fd = open(filename)i = 0for line in fd: line_obj = Line(line)splitLine(bd, line_obj)fd.close()print ''print '%-50s used:[%0.3fM] max_used:[%0.3fM] limit:[%0.3fM] fail_count:[%d]'\ %(u'Kernel Mem Info(内核态内存，不可被swap):', bd.kmemsize.getNum(bd.kmemsize.held, 'm'), \ bd.kmemsize.getNum(bd.kmemsize.maxheld, 'm'), \ bd.kmemsize.getNum(bd.kmemsize.barrier, 'm'), \ bd.kmemsize.getNum(bd.kmemsize.failcnt, 'n'), )print '%-50s used:[%0.3fM] max_used:[%0.3fM] limit:[%0.3fM] fail_count:[%d]'\ %(u'Mem already allocated Info(突发内存):', bd.privvmpages.getNum(bd.privvmpages.held, 'm'), \ bd.privvmpages.getNum(bd.privvmpages.maxheld, 'm'), \ bd.privvmpages.getNum(bd.privvmpages.barrier, 'm'), \ bd.privvmpages.getNum(bd.privvmpages.failcnt, 'n'), )print '%-50s used:[%0.3fM] max_used:[%0.3fM] limit:[%0.3fM] fail_count:[%d]'\ %(u'Ram actually used(实际使用的母鸡内存):', bd.physpages.getNum(bd.physpages.held, 'm'), \ bd.physpages.getNum(bd.physpages.maxheld, 'm'), \ bd.physpages.getNum(bd.physpages.limit, 'm'), \ bd.physpages.getNum(bd.physpages.failcnt, 'n'), )print '%-50s used:[%0.3fM] max_used:[%0.3fM] limit:[%0.3fM] fail_count:[%d]'\ %(u'Mem (Ram + swap) used(使用的母鸡内存+swap):', bd.oomguarpages.getNum(bd.oomguarpages.held, 'm'), \ bd.oomguarpages.getNum(bd.oomguarpages.maxheld, 'm'), \ bd.oomguarpages.getNum(bd.oomguarpages.barrier, 'm'), \ bd.oomguarpages.getNum(bd.oomguarpages.failcnt, 'n'), )print '%-50s used:[%d] max_used:[%d] limit:[%d] fail_count:[%d]'\ %(u'Proc Num(进程数):', bd.numproc.getNum(bd.numproc.held, 'n'), \ bd.numproc.getNum(bd.numproc.maxheld, 'n'), \ bd.numproc.getNum(bd.numproc.limit, 'n'), \ bd.numproc.getNum(bd.numproc.failcnt, 'n'), )print '%-50s used:[%d] max_used:[%d] limit:[%d] fail_count:[%d]'\ %(u'TCP Socket Num(Tcp连接数):', bd.numtcpsock.getNum(bd.numtcpsock.held, 'n'), \ bd.numtcpsock.getNum(bd.numtcpsock.maxheld, 'n'), \ bd.numtcpsock.getNum(bd.numtcpsock.limit, 'n'), \ bd.numtcpsock.getNum(bd.numtcpsock.failcnt, 'n'), )print '%-50s used:[%d] max_used:[%d] limit:[%d] fail_count:[%d]'\ %(u'Max SSH login Num(SSH登陆用户数):', bd.numpty.getNum(bd.numpty.held, 'n'), \ bd.numpty.getNum(bd.numpty.maxheld, 'n'), \ bd.numpty.getNum(bd.numpty.limit, 'n'), \ bd.numpty.getNum(bd.numpty.failcnt, 'n'), )print '%-50s used:[%0.3fM] max_used:[%0.3fM] limit:[%0.3fM] fail_count:[%d]'\ %(u'TCP Send Buff(Tcp发送缓冲区):', bd.tcpsndbuf.getNum(bd.tcpsndbuf.held, 'm'), \ bd.tcpsndbuf.getNum(bd.tcpsndbuf.maxheld, 'm'), \ bd.tcpsndbuf.getNum(bd.tcpsndbuf.barrier, 'm'), \ bd.tcpsndbuf.getNum(bd.tcpsndbuf.failcnt, 'n'), )print '%-50s used:[%0.3fM] max_used:[%0.3fM] limit:[%0.3fM] fail_count:[%d]'\ %(u'TCP Receive Buff(Tcp接收缓冲区):', bd.tcprcvbuf.getNum(bd.tcprcvbuf.held, 'm'), \ bd.tcprcvbuf.getNum(bd.tcprcvbuf.maxheld, 'm'), \ bd.tcprcvbuf.getNum(bd.tcprcvbuf.barrier, 'm'), \ bd.tcprcvbuf.getNum(bd.tcprcvbuf.failcnt, 'n'), )print ''print '%-50s used:[%0.3fM] percent:[%0.3f%%]'\ %(u'Swap(使用的Swap，越大超售越严重):', bd.oomguarpages.getNum(bd.oomguarpages.held - bd.physpages.held, 'm'), \ bd.numpty.getNum(1.0 * (bd.oomguarpages.held - bd.physpages.held) / bd.oomguarpages.held * 100, 'n'))print '%-50s used:[%0.3fM] limit:[%0.3fM]'\ %(u'Guarantee Mem(保证内存):', bd.numpty.getNum(bd.oomguarpages.held * 4096 + \ bd.kmemsize.held + \ bd.tcpsndbuf.held + \ bd.tcprcvbuf.held + \ bd.othersockbuf.held + \ bd.dgramrcvbuf.held , 'm'), \ bd.oomguarpages.getNum(bd.oomguarpages.barrier, 'm'))print ''关键词：openvz母机检测脚本内存超售检测
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