python监控系统资源

发布时间：2019-09-11 07:46:09编辑：auto阅读（2074）

监控网卡流量

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#!/usr/bin/python import re import os #get SNMP-MIB2 of the devices def getAllitems(host,oid):         sn1 = os.popen('snmpwalk -v 2c -c public ' + host + ' ' + oid).read().split('\n')[:-1]         return sn1                                                                                            #get network device def getDevices(host):         device_mib = getAllitems(host,'RFC1213-MIB::ifDescr')         device_list = []         for item in device_mib:                 if re.search('eth',item):                         device_list.append(item.split(':')[3].strip())         return device_list                                                                                            #get network date def getDate(host,oid):         date_mib = getAllitems(host,oid)[1:]         date = []         for item in date_mib:                 byte = float(item.split(':')[3].strip())                 date.append(str(round(byte/1024,2)) + ' KB')         return date                                                                                            if __name__ == '__main__':         hosts = ['192.168.30.111','192.168.30.112']         for host in hosts:                 device_list = getDevices(host)                                                                                                            inside = getDate(host,'IF-MIB::ifInOctets')                 outside = getDate(host,'IF-MIB::ifOutOctets')                                                                                                            print '==========' + host + '=========='                 for i in range(len(inside)):                         print '%s : RX: %-15s   TX: %s ' % (device_list[i], inside[i], outside[i])                 print




监控内存(swap)使用率

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#!/usr/bin/python import os def getAllitems(host, oid):         sn1 = os.popen('snmpwalk -v 2c -c public ' + host + ' ' + oid).read().split('\n')[:-1]         return sn1                                                                              def getSwapTotal(host):         swap_total = getAllitems(host, 'UCD-SNMP-MIB::memTotalSwap.0')[0].split(' ')[3]         return swap_total                                                                              def getSwapUsed(host):         swap_avail = getAllitems(host, 'UCD-SNMP-MIB::memAvailSwap.0')[0].split(' ')[3]         swap_total = getSwapTotal(host)         swap_used = str(round(((float(swap_total)-float(swap_avail))/float(swap_total))*100 ,2)) + '%'         return swap_used                                                                              def getMemTotal(host):         mem_total = getAllitems(host, 'UCD-SNMP-MIB::memTotalReal.0')[0].split(' ')[3]         return mem_total                                                                              def getMemUsed(host):         mem_total = getMemTotal(host)         mem_avail = getAllitems(host, 'UCD-SNMP-MIB::memAvailReal.0')[0].split(' ')[3]         mem_used = str(round(((float(mem_total)-float(mem_avail))/float(mem_total))*100 ,2)) + '%'         return mem_used                                                                              if __name__ == '__main__':         hosts = ['192.168.30.111','192.168.30.112']         print "Monitoring Memory Usage"         for host in hosts:                 mem_used = getMemUsed(host)                 swap_used = getSwapUsed(host)                 print '==========' + host + '=========='                 print 'Mem_Used = %-15s   Swap_Used = %-15s' % (mem_used, swap_used)                 print




监控系统负载

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#!/usr/bin/python import os def getAllitems(host, oid):         sn1 = os.popen('snmpwalk -v 2c -c public ' + host + ' ' + oid).read().split('\n')         return sn1                                                                       def getload(host,loid):         load_oids = '1.3.6.1.4.1.2021.10.1.3.' + str(loid)         return getAllitems(host,load_oids)[0].split(':')[3]                                                                       if __name__ == '__main__':         hosts = ['192.168.30.111','192.168.30.112']         #check_system_load         print '==============System Load=============='         for host in hosts:                 load1 = getload(host, 1)                 load10 = getload(host, 2)                 load15 = getload(host, 3)                 print '%s load(1min): %s ,load(10min): %s ,load(15min): %s' % (host,load1,load10,load15)




监控CPU

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#!/usr/bin/python import os def getAllitems(host, oid):         sn1 = os.popen('snmpwalk -v 2c -c public ' + host + ' ' + oid + '|grep Raw|grep Cpu|grep -v Kernel').read().split('\n')[:-1]         return sn1                                                                  def getDate(host):         items = getAllitems(host, '.1.3.6.1.4.1.2021.11')                                                                          date = []         rate = []         cpu_total = 0         #us = us+ni, sy = sy + irq + sirq         for item in items:                 float_item = float(item.split(' ')[3])                 cpu_total += float_item                 if item == items[0]:                         date.append(float(item.split(' ')[3]) + float(items[1].split(' ')[3]))                 elif item == item[2]:                         date.append(float(item.split(' ')[3] + items[5].split(' ')[3] + items[6].split(' ')[3]))                 else:                         date.append(float_item)                                                                          #calculate cpu usage percentage         for item in date:                 rate.append((item/cpu_total)*100)                                                                          mean = ['%us','%ni','%sy','%id','%wa','%cpu_irq','%cpu_sIRQ']                                                                          #calculate cpu usage percentage         result = map(None,rate,mean)         return result                                                                  if __name__ == '__main__':         hosts = ['192.168.30.111','192.168.30.112']         for host in hosts:                 print '==========' + host + '=========='                 result = getDate(host)                 print 'Cpu(s)',                 #print result                 for i in range(5):                         print ' %.2f%s' % (result[i][0],result[i][1]),                 print                 print

监控磁盘

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#!/usr/bin/python import re import os def getAllitems(host,oid):         sn1 = os.popen('snmpwalk -v 2c -c public ' + host + ' ' + oid).read().split('\n')[:-1]         return sn1                                                               def getDate(source,newitem):         for item in source[5:]:                 newitem.append(item.split(':')[3].strip())         return newitem                                                               def getRealDate(item1,item2,listname):         for i in range(len(item1)):                 listname.append(int(item1[i])*int(item2[i])/1024)         return listname                                                               def caculateDiskUsedRate(host):         hrStorageDescr = getAllitems(host, 'HOST-RESOURCES-MIB::hrStorageDescr')         hrStorageUsed = getAllitems(host, 'HOST-RESOURCES-MIB::hrStorageUsed')         hrStorageSize = getAllitems(host, 'HOST-RESOURCES-MIB::hrStorageSize')         hrStorageAllocationUnits = getAllitems(host, 'HOST-RESOURCES-MIB::hrStorageAllocationUnits')                                                                       disk_list = []         hrsused = []         hrsize = []         hrsaunits = []                                                                       #get disk_list         for item in hrStorageDescr:                 if re.search('/',item):                         disk_list.append(item.split(':')[3])         #print disk_list                                                                             getDate(hrStorageUsed,hrsused)         getDate(hrStorageSize,hrsize)         #print getDate(hrStorageAllocationUnits,hrsaunits)                                                                       #get hrstorageAllocationUnits         for item in hrStorageAllocationUnits[5:]:                 hrsaunits.append(item.split(':')[3].strip().split(' ')[0])         #caculate the result         #disk_used = hrStorageUsed * hrStorageAllocationUnits /1024 (KB)         disk_used = []         total_size = []         disk_used = getRealDate(hrsused,hrsaunits,disk_used)         total_size = getRealDate(hrsize,hrsaunits,total_size)                                                                       diskused_rate = []         for i in range(len(disk_used)):                 diskused_rate.append(str(round((float(disk_used[i])/float(total_size[i])*100), 2)) + '%')                                                                       return diskused_rate,disk_list                                                               if __name__ == '__main__':         hosts = ['192.168.30.111','192.168.30.112']         for host in hosts:                 result = caculateDiskUsedRate(host)                 diskused_rate = result[0]                 partition = result[1]                 print "==========",host,'=========='                 for i in range(len(diskused_rate)):                         print '%-20s used: %s' % (partition[i],diskused_rate[i])                 print

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