#!/bin/bash

SHELL=/bin/bash
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

MAX_PER_PROC=3

## integer only for the 5m load avg

LOCK_WORKING_DIR="/var/run/myc-manage"
mkdir -p "$LOCK_WORKING_DIR"

int_avg=$(while read line; do
              echo "$line"
          done < /proc/loadavg)
int_avg=${int_avg#* }
int_avg=${int_avg%%.*}
max=$[$MAX_PER_PROC * $(grep -c ^processor /proc/cpuinfo)]
if [ "$int_avg" -gt "$max" ]; then
    if [ -e $LOCK_WORKING_DIR/load_average_max.lock ]; then
        exit 0
    else
        touch   $LOCK_WORKING_DIR/load_average_max.lock
        message="$(hostname) : WARNING - load average ($int_avg) is above max per processor : ($MAX_PER_PROC * $(grep -c ^processor /proc/cpuinfo) = $max)"
        echo $message | logger -t load_average_max
        send "load_average_max" "$message"
    fi
fi