loadavgmonitor

#!/bin/bash
INTERVAL=5
REBOOT_BORDER=10
MAILTO="[email protected]"
LOG_DIR="/var/log/loadavg"

mkdir -p $LOG_DIR
while :
do
  LOAD_AVG=$( uptime  | awk '{print $10}' | cut -d "." -f 1 )
  DATE=$(date +%Y%m%d%H%M%S)

  if [ $REBOOT_BORDER -lt $LOAD_AVG ];then
   PS_PATH="${LOG_DIR}/load_avg_over-${DATE}.ps"
   ps aux > $PS_PATH
   TOP_PATH="${LOG_DIR}/load_avg_over-${DATE}.top"
   top -n1 -b > $TOP_PATH
   ATTACH_PATH="/tmp/attachment.${DATE}"
   uuencode $PS_PATH $(basename $PS_PATH) > $ATTACH_PATH
   uuencode $TOP_PATH $(basename $TOP_PATH) >> $ATTACH_PATH
   mail -s "load avg over $REBOOT_BORDER" $MAILTO < $ATTACH_PATH
   shutdown -r now
   break
  fi

  sleep $INTERVAL
done