python写的抓取linux系统主要信息的脚本,主要就是内存,硬盘、CPU之类的信息。
- 内存信息 / meminfo
- 返回dict
- #!/usr/bin/env python
- def memory_stat():
- mem = {}
- f = open("/proc/meminfo")
- lines = f.readlines()
- f.close()
- for line in lines:
- if len(line) < 2: continue
- name = line.split(':')[0]
- var = line.split(':')[1].split()[0]
- mem[name] = long(var) * 1024.0
- mem['MemUsed'] = mem['MemTotal'] - mem['MemFree'] - mem['Buffers'] - mem['Cached']
- return mem
-
- CPU信息 / cpuinfo
- 返回list,每核心一dict
- #!/usr/bin/env python
- def cpu_stat():
- cpu = []
- cpuinfo = {}
- f = open("/proc/cpuinfo")
- lines = f.readlines()
- f.close()
- for line in lines:
- if line == 'n':
- cpu.append(cpuinfo)
- cpuinfo = {}
- if len(line) < 2: continue
- name = line.split(':')[0].rstrip()
- var = line.split(':')[1]
- cpuinfo[name] = var
- return
-
- cpu负载信息 / loadavg
- 返回dict
- #!/usr/bin/env python
- def load_stat():
- loadavg = {}
- f = open("/proc/loadavg")
- con = f.read().split()
- f.close()
- loadavg['lavg_1']=con[0]
- loadavg['lavg_5']=con[1]
- loadavg['lavg_15']=con[2]
- loadavg['nr']=con[3]
- loadavg['last_pid']=con[4]
- return loadavg
-
- 运转时间 / Uptime
- 返回dict
- #!/usr/bin/env python
- def uptime_stat():
- uptime = {}
- f = open("/proc/uptime")
- con = f.read().split()
- f.close()
- all_sec = float(con[0])
- MINUTE,HOUR,DAY = 60,3600,86400
- uptime['day'] = int(all_sec / DAY )
- uptime['hour'] = int((all_sec % DAY) / HOUR)
- uptime['minute'] = int((all_sec % HOUR) / MINUTE)
- uptime['second'] = int(all_sec % MINUTE)
- uptime['Free rate'] = float(con[1]) / float(con[0])
- return uptime
-
- 获取网卡流量信息 /proc/net/dev
- 返回dict,单位byte
- #!/usr/bin/env python
- def net_stat():
- net = []
- f = open("/proc/net/dev")
- lines = f.readlines()
- f.close()
- for line in lines[2:]:
- con = line.split()
- """
- intf = {}
- intf['interface'] = con[0].lstrip(":")
- intf['ReceiveBytes'] = int(con[1])
- intf['ReceivePackets'] = int(con[2])
- intf['ReceiveErrs'] = int(con[3])
- intf['ReceiveDrop'] = int(con[4])
- intf['ReceiveFifo'] = int(con[5])
- intf['ReceiveFrames'] = int(con[6])
- intf['ReceiveCompressed'] = int(con[7])
- intf['ReceiveMulticast'] = int(con[8])
- intf['TransmitBytes'] = int(con[9])
- intf['TransmitPackets'] = int(con[10])
- intf['TransmitErrs'] = int(con[11])
- intf['TransmitDrop'] = int(con[12])
- intf['TransmitFifo'] = int(con[13])
- intf['TransmitFrames'] = int(con[14])
- intf['TransmitCompressed'] = int(con[15])
- intf['TransmitMulticast'] = int(con[16])
- """
- intf = dict(
- zip(
- ( 'interface','ReceiveBytes','ReceivePackets',
- 'ReceiveErrs','ReceiveDrop','ReceiveFifo',
- 'ReceiveFrames','ReceiveCompressed','ReceiveMulticast',
- 'TransmitBytes','TransmitPackets','TransmitErrs',
- 'TransmitDrop', 'TransmitFifo','TransmitFrames',
- 'TransmitCompressed','TransmitMulticast' ),
- ( con[0].rstrip(":"),int(con[1]),int(con[2]),
- int(con[3]),int(con[4]),int(con[5]),
- int(con[6]),int(con[7]),int(con[8]),
- int(con[9]),int(con[10]),int(con[11]),
- int(con[12]),int(con[13]),int(con[14]),
- int(con[15]),int(con[16]), )
- )
- )
-
- net.append(intf)
- return net
-
- 磁盘空间使用
- 使用内置python内置函数,返回dict,单位byte
- #!/usr/bin/env python
- def disk_stat():
- import os
- hd={}
- disk = os.statvfs("/")
- hd['available'] = disk.f_bsize * disk.f_bavail
- hd['capacity'] = disk.f_bsize * disk.f_blocks
- hd['used'] = disk.f_bsize * disk.f_bfree
- return hd