python监控系统资源
监控网卡流量1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
#!/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(':').strip())
return device_list
#get network date
def getDate(host,oid):
date_mib = getAllitems(host,oid)
date = []
for item in date_mib:
byte = float(item.split(':').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, inside, outside)
监控内存(swap)使用率
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
#!/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').split(' ')
return swap_total
def getSwapUsed(host):
swap_avail = getAllitems(host, 'UCD-SNMP-MIB::memAvailSwap.0').split(' ')
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').split(' ')
return mem_total
def getMemUsed(host):
mem_total = getMemTotal(host)
mem_avail = getAllitems(host, 'UCD-SNMP-MIB::memAvailReal.0').split(' ')
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)
监控系统负载
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
#!/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).split(':')
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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
#!/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(' '))
cpu_total += float_item
if item == items:
date.append(float(item.split(' ')) + float(items.split(' ')))
elif item == item:
date.append(float(item.split(' ') + items.split(' ') + items.split(' ')))
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,result),
监控磁盘
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
#!/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:
newitem.append(item.split(':').strip())
return newitem
def getRealDate(item1,item2,listname):
for i in range(len(item1)):
listname.append(int(item1)*int(item2)/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(':'))
#print disk_list
getDate(hrStorageUsed,hrsused)
getDate(hrStorageSize,hrsize)
#print getDate(hrStorageAllocationUnits,hrsaunits)
#get hrstorageAllocationUnits
for item in hrStorageAllocationUnits:
hrsaunits.append(item.split(':').strip().split(' '))
#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)/float(total_size)*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
partition = result
print "==========",host,'=========='
for i in range(len(diskused_rate)):
print '%-20s used: %s' % (partition,diskused_rate)
页:
[1]