check_lsimpt.py

#!/usr/bin/python
#
# check_mptsas - A Nagios check for MPT RAID controllers with more than one volume.
#
import pexpect
import re
import sys

EXIT_OK = 0
EXIT_CRIT = 1
EXIT_WARN = 2
EXIT_UNKNOWN = 3

# Set logfile to sys.stdout if you want to see the output of the child program
logfile = None
# The path to the lsiutil binary
binary = '/usr/sbin/lsiutil'

def getNumVols():
    child = pexpect.spawn (binary,logfile=logfile)
    # Get to the RAID menu and get the number of configured volumes
    child.expect ('Select a device:  \[[^-]+-[^-]+ or 0 to quit\]')
    child.sendline('1')
    child.expect ('Main menu, select an option:  \[[^-]+-[^-]+ or e/p/w or 0 to quit\]')
    child.sendline('21')
    child.expect ('RAID actions menu, select an option:  \[[^-]+-[^-]+ or e/p/w or 0 to quit\]')
    child.sendline('1')
    child.expect ('(\d+) volume(s are| is) active, (\d+) physical disks are active')
    numVols,ignore,numPhys = child.match.groups()
    child.kill
    return int(numVols),int(numPhys)

def getVolStatusMulti(volID):
    child = pexpect.spawn (binary,logfile=logfile)
    # Get to the RAID menu to get the volume status
    child.expect('Select a device:  \[[^-]+-[^-]+ or 0 to quit\]')
    child.sendline('1')
    child.expect ('Main menu, select an option:  \[[^-]+-[^-]+ or e/p/w or 0 to quit\]')
    child.sendline('21')
    child.expect ('RAID actions menu, select an option:  \[[^-]+-[^-]+ or e/p/w or 0 to quit\]')
    child.sendline('3')
    child.expect ('Volume:  \[[^-]+-[^-]+ or RETURN to quit\]')
    child.sendline(str(volID))
    child.expect ('Volume %d State:  ([^,]+), ([^\W]+)' % (volID))
    state,enablestate = child.match.groups()
    child.kill
    return [state,enablestate]

def getVolStatusSingle():
    child = pexpect.spawn (binary,logfile=logfile)
    # Get to the RAID menu to get the volume status
    child.expect('Select a device:  \[[^-]+-[^-]+ or 0 to quit\]')
    child.sendline('1')
    child.expect ('Main menu, select an option:  \[[^-]+-[^-]+ or e/p/w or 0 to quit\]')
    child.sendline('21')
    child.expect ('RAID actions menu, select an option:  \[[^-]+-[^-]+ or e/p/w or 0 to quit\]')
    child.sendline('3')
    child.expect ('Volume 0 State:  ([^,]+), ([^\W]+)')
    state,enablestate = child.match.groups()
    child.kill
    return [state,enablestate]

# Set some variables we can re-assign when checking the disk states
enabledVols = 0
pre_exit = EXIT_OK
exit_msg = 'OK:'
msg = ''

numVols,numPhys = getNumVols()

if numVols == 1:
    enabledVols = 1
    volState = getVolStatusSingle()
    msg = msg + ' Volume 0: %s.' % (volState[0])
    if volState[0] != 'optimal':
        pre_exit = EXIT_CRIT
        exit_msg = 'CRITICAL:'
else:
    for x in range(numVols):
        volState = getVolStatusMulti(x)
        if volState[1] != 'enabled':
            # The volume is not enabled, so we do not care about the state.
            continue
        enabledVols += 1
        msg = msg + ' Volume %d: %s.' % (x,volState[0])
        if volState[0] != 'optimal':
            pre_exit = EXIT_CRIT
            exit_msg = 'CRITICAL:'

print exit_msg + ' %d Volumes configured, %d Volumes enabled. %d Physical Disks used.' % (numVols, enabledVols, numPhys) + msg
sys.exit(pre_exit)