check_ntp.py checks ntp time

gistfile1.txt

#!/usr/bin/python

import re 
import sys
import os
import getopt

def help():
    print ''
    print 'Usage: check_ntp.py -b ntpq_binary'
    print ''
    print '-b ntpq binary (Default: /usr/sbin/ntpq)'
    print '-w offset warning threshold in ms (Default: 300000 ms)'
    print '-c offset critical threshold in ms (Default: 900000 ms)'
    print ''
    sys.exit(3)

try:
    opts, args = getopt.getopt(sys.argv[1:], "ho:b:w:c:", ["help", "binary", "warning", "critical"])
except getopt.GetoptError, err:
    # print help information and exit:
    help()

ntpq='/usr/bin/ntpq'
warning = '300000'
critical = '900000'
    
output = None
verbose = False
for o, a in opts:
    if o in ("-h", "--help"):
        help()
    elif o in ("-b", "--binary"):
        ntpq = a
    elif o in ("-w", "--warning"):
        warning = a
    elif o in ("-c", "--critical"):
        critical = a
    else:
        assert False, "unhandled option"
        help()

comp = os.path.isfile(ntpq)

if comp:


    p = os.popen(ntpq + ' -c peers')
    f = p.readlines()

    flag = 0
    synchronized = False
    desfasado = False
    desfase = 0
    local = False
    
    serverokfound = False

    for line in f:
        if flag < 2:
            flag = flag + 1
        else:
            try:
                list = line.split()  
                server = list[0]
                st = list[2]
                offset = list[8]
                when = list[4]
                when = int(when)
                poll = list[5]
                poll = int(poll)
                offset = float(offset)
                if serverokfound == False:
                    if re.search ('\*LOCAL', server):
                        local = True
                    elif local == False:
                        cmp = re.search ('LOCAL', server)
                        if cmp == None:
                            if int(st) < 16:
                                synchronized = True
                                if offset > int(warning):
                                    if offset > int(critical):
                                        synchronized = False
                                    if desfasado == False:
                                        desfase = offset
                                    elif desfase > offset:
                                        desfase = offset
                                    desfasado = True
                                elif re.search ('\*', line):
                                    serverokfound = True
                                desfasado = False
                                desfase = offset
            except:
                pass
    if local == True:
        print "NTP CRITICAL - Synchronized locally | Status=2;1;2;0;3"
        sys.exit(2)
    elif synchronized == False:
        print "NTP CRITICAL - Unsynchronized | Status=2;1;2;0;3 Delay=" + desfase.__str__() + ";300000;900000;0;"
        sys.exit(2)
    elif synchronized == True:
        if desfasado == True:
            print "NTP WARNING - Synchronized but late: " + desfase.__str__() + " (ms) | Status=1;1;2;0;3 Delay=" + desfase.__str__() + ";300000;900000;0;"
            sys.exit(1)
        elif desfasado == False:
            print "NTP OK - Synchronized : " + desfase.__str__() + " (ms) | Status=1;1;2;0;3 Delay=" + desfase.__str__() + ";300000;900000;0;"
            sys.exit(0)
else:
    print "NTP UNKNOWN - Can\'t find " + ntpq + " on system | Status=3;1;2;0;3"
    sys.exit(3)