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mem_monitor.py
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97 lines (83 loc) · 3.1 KB
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#!/usr/bin/python
##the script for cacti and nagios monitor progress mem usage.
##usage: python mem_monitor.py cacti|nagios progress_name
import sys
import os
import redis
import memcache
import subprocess
script_name = sys.argv[0]
monitor_class = sys.argv[1]
progress_name = sys.argv[2]
get_progress_pid_com = 'ps -ef| grep %s|grep -v "%s"| grep -v grep|awk \'{print $2}\'|xargs' % (progress_name, script_name)
get_total_mem = "cat /proc/meminfo | grep 'MemTotal'| awk -F' ' '{print $2}'"
def cacti_nagios(proname, usedMem,usedRate):
try:
if monitor_class == "cacti":
print "mem_usage:%d"%(usedMem*1000)
elif monitor_class == "nagios":
if usedRate >= 80:
print "%s used mem exceed " % proname + "80%, please check.."
sys.exit(2)
else:
print "%s use mem is %d " % (proname, usedRate) +"%"
sys.exit(0)
else:
print "print input python \033[1;31;40m%s\033[0m cacti|nagios progress_name" % script_name
except:
pass
def get_progress_mem():
"""get progress mem"""
try:
sum_mem = 0
progress_pid = os.popen(get_progress_pid_com).readlines()
for i in progress_pid:
pass
item = i.strip('\n').split(' ')
for k in item:
get_progress_mem = "cat /proc/%s/status|grep VmRSS|awk '{print $2}'" % k.strip()
mem = os.popen(get_progress_mem).readlines()
for j in mem:
pass
use_mem = j.strip('\n ')
use_mem = int(use_mem)
sum_mem += use_mem
total_mem = os.popen(get_total_mem).readlines()
for m in total_mem:
pass
total_mem = m.strip('\n ')
total_mem = float(total_mem)
mem_usage_rate = sum_mem / total_mem * 100
cacti_nagios(progress_name, sum_mem, mem_usage_rate)
except:
print "please check the \033[1;31;40m%s\033[0m progess name is Correct Spelling ?" % progress_name
sys.exit(2)
def get_redis_mem():
try:
con = redis.Redis(host = 'localhost', port = 6379)
if con.ping() == True:
max_mem = con.config_get(pattern='maxmemory').get('maxmemory')
used_mem = con.info().get('used_memory')
used_rate = float(used_mem) / float(max_mem) * 100
cacti_nagios(progress_name, used_mem, used_rate)
else:
print "Cannot connect the redis"
sys.exit(2)
except Exception as e:
print e.message
def get_memcache_mem():
try:
exec_com = "echo 'stats'|nc localhost 11211"
result = os.popen(exec_com).readlines()
max_conf_set = float(result[-10].strip('\n').split(' ')[2])
used_mem = float(result[-5].strip('\n').split(' ')[2])/1000
used_rate = used_mem / max_conf_set * 100
cacti_nagios(progress_name, used_mem, used_rate)
except Exception as e:
print e.message
if progress_name == "redis":
get_redis_mem()
elif progress_name == "memached" or progress_name == "memcache":
get_memcache_mem()
else:
get_progress_mem()