dsa-nagios-checks/checks/dsa-check-uptime

   1 #!/bin/sh
   2
   3 # Need to cover this also:
   4 #  4:13pm  up 29 day(s), 3 min(s),  3 users,  load average: 1.59, 2.54, 2.58
   5 #
   6 uptimeOutput=`/usr/bin/uptime`;
   7 PATH="/bin:/usr/bin:/usr/local/bin";
   8 export PATH;
   9
  10 days=`echo $uptimeOutput | /bin/sed 's/^.* up.* \([0-9][0-9]*\) *day[\(s\)]*.*$/\1/'`;
  11 if [ x"`echo $days | /bin/grep -w up`" != x ]
  12 then
  13         days=0;
  14 fi
  15 hours_mins=`echo $uptimeOutput | /bin/sed 's/^.* up [^0-9]*\([0-9][0-9]*:[0-9][0-9]*\).*/\1/'`;
  16 if [ x"`echo $hours_mins | /bin/grep up`" = x ]
  17 then
  18         hours=`echo $hours_mins | cut -f1 -d:`;
  19         minutes=`echo $hours_mins | cut -f2 -d:`;
  20 else
  21         hours=`echo $uptimeOutput | /bin/sed 's/^.* up.* \([0-9][0-9]*\) *hr[\(s\)]*.*$/\1/'`;
  22         if [ x"`echo $hours | grep up`" != x ]
  23         then
  24                 hours="0";
  25         fi
  26         minutes=`echo $uptimeOutput | /bin/sed 's/^.* up.* \([0-9][0-9]*\) *min[\(s\)]*.*$/\1/'`;
  27         if [ x"`echo $minutes | grep up`" != x ]
  28         then
  29                 minutes="0";
  30         fi
  31 fi
  32
  33 if [ x"`echo \"$days $hours $minutes\" | /bin/grep up`" != x ]
  34 then
  35         echo "Uptime UNKNOWN: Unable to parse uptime output: \"$uptimeOutput\"";
  36         exit 3;
  37 fi
  38
  39 # 1440 minutes in a day
  40 dayMinutes=`expr $days \* 1440`;
  41 hourMinutes=`expr $hours \* 60`;
  42
  43 totalMinutes=`expr $dayMinutes \+ $hourMinutes`;
  44 totalMinutes=`expr $totalMinutes \+ $minutes`;
  45
  46 # Has it been rebooted in the last hour?
  47 if [ "$totalMinutes" -lt 60 ]
  48 then
  49         # exit with a warning
  50         echo "Uptime WARNING: Uptime less than one hour (currently $totalMinutes minutes)|mins=$totalMinutes";
  51         exit 1;
  52 else
  53         # everything's okay!
  54         echo "Uptime OK: Currently $days days, $hours hours and $minutes minutes|mins=$totalMinutes";
  55         exit 0;
  56 fi