add notify script
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#!/bin/sh
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SCRIPT=$(readlink -f "$0")
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SCRIPTPATH=$(dirname "$SCRIPT")
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# check disk space
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disk_percent=$(df -h | grep vda1 | awk '{print $5}')
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if [ "$(printf "%s" "$disk_percent" | sed "s/%//")" -gt 90 ] ; then
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sed -e "s/THING/disk/g" "${SCRIPTPATH}/../templates/notify.tmpl" | sed "s/PERCENT/${disk_percent}/g" | sendmail "root"
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fi
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# check ram usage
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freemem=$(free -m | grep ^Mem | awk '{print $7}')
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totalmem=$(free -m | grep ^Mem | awk '{print $2}')
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memory_percent=$((100 * freemem / totalmem))
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memory_percent=$((100 - memory_percent))
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if [ "$memory_percent" -gt 90 ] ; then
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sed -e "s/THING/memory/g" "${SCRIPTPATH}/../templates/notify.tmpl" | sed "s/PERCENT/${memory_percent}%/g" | sendmail "root"
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fi
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# check cpu ussage
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cpu_use=$(mpstat | tail -n 1 | awk '{print $12}')
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cpu_use_round=$(printf "%.*f\\n" 0 "$cpu_use")
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cpu_use_round=$((100 - cpu_use_round))
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if [ "$cpu_use_round" -gt 90 ] ; then
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sed -e "s/THING/cpu/g" "${SCRIPTPATH}/../templates/notify.tmpl" | sed "s/PERCENT/${cpu_use_round}%/g" | sendmail "root"
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fi
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