检查DELL服务器硬盘健康状态脚本

服务器运行时间长了,需要实时了解dell服务器上每块硬盘的物理状况:硬盘是否在线,是否有坏道了,是否影响到了阵列等.DELL的OMSA管理工具可以获取到这些信息.于是便写了个脚本,调用OMSA工具检查硬盘状态,并通过nagios来告警.

#!/usr/bin/env python
#_*_coding:utf-8_*_

"""
检查dell服务器的硬盘状态，阵列卡状态
"""

#$Id$#
__author__ = '小卡车7号 <1165205343@qq.com>'
__version__ = '$Revision: 0.1 $'

import os
import sys
import subprocess

def usage():
"""显示脚本信息"""
print """
系统需安装 dell omsa 管理软件
硬盘的状态值通过 omreport storage pdisk controller = 0 命令获取
"""
sys.exit(3)

def check_status(val):
"""获取返回给nagios的状态值"""
if 2 in val :
status = 2
elif 1 in val:
status = 1
else:
status = 0
return status

def split_line(data):
"""把数据拆分为行，并把行按照':'拆分"""
arg = dict()
for line in data.split('\n'):
if ':' not in line:
continue
key,val = line.split(':',1)
arg[key.strip()] = val.strip()
return arg

def check_pdisk(cid):
"""检查物理磁盘的信息，并进行判断"""
infos = []
state = []
data = os.popen('omreport storage pdisk controller=%s'%cid).read().split('\n\n')
for val in data:
if ':' not in val:
continue
arg = split_line(val)
disk_id = arg['ID']
disk_statu = arg['Status']
disk_state = arg['State']
disk_space = arg['Capacity']
disk_space = disk_space.split()[0] + disk_space.split()[1]
disk_pro = arg['Part Number']

if disk_state == 'Online' and disk_statu == 'Ok':
status = 0
else:
status = 2

info = 'Disk %s,Status:%s,State:%s,Space:%s,ID:%s'\
% (disk_id,disk_statu,disk_state,disk_space,disk_pro)

state.append(status)
infos.append(info)

infos = sorted(infos,key=lambda val:val.split(',')[1])
return state,infos

def get_control_id():
"""获取阵列卡ID,检查阵列卡状态
阵列卡固件驱动版本低于可更新版本时,显示为降级状态
该驱动可以不升级,故选择屏蔽该错误"""
command = subprocess.Popen('omreport', shell=True, stdout=subprocess.PIPE,\
stderr=subprocess.STDOUT).wait()
if command != 0:
usage()

data = os.popen('omreport storage controller').read()
arg = split_line(data)

cid = arg['ID']
statu = arg['Status']
state = arg['State']
mode = arg['Name']
current_version = arg['Firmware Version']

try:
update_version = arg['Latest Available Firmware Version']
except KeyError:
update_version = arg['Minimum Required Firmware Version']

desc = ['OK', 'WARN', 'CRITICAL']

if statu == 'Ok' and state =='Ready':
status = 0
elif current_version != update_version \
and statu == 'Non-Critical' and state == 'Degraded':
status = 0
elif statu == 'Ok' or state =='Ready':
status = 1
else:
status = 2

return cid,status,"dell controll:%s,Status:%s,State:%s,Mode:%s" % (desc[status],statu,state,mode)

if __name__ == '__main__':
ID,STAT,INFO = get_control_id()
STATU,INFOS = check_pdisk(ID)
STATU.append(STAT)
STATUS = check_status(STATU)
INFOS.append(INFO)
print '\n'.join(INFOS)
sys.exit(STATUS)