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elab-manage/etc/cron.hourly/disk_usage
2025-05-19 15:49:10 +02:00

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#!/bin/bash
SHELL=/bin/bash
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
## check disk usage and send a notification if it's above 75% or 90%
percent_usage=$(df /srv -h)
percent_usage=${percent_usage##*$'\n'}
percent_usage=${percent_usage% *}
percent_usage=${percent_usage##* }
percent_usage=${percent_usage%\%}
STATE_WORKING_DIR="/var/run/elab-manage"
mkdir -p "$STATE_WORKING_DIR"
if [ "$percent_usage" -ge "90" ]; then
if [ -e $STATE_WORKING_DIR/disk_usage_90.state ]; then
exit 0
else
touch $STATE_WORKING_DIR/disk_usage_90.state
message="ALERT : disk usage ${percent_usage}%"
echo "$message"
send -c disk.alert -t "$message" "$message"
fi
elif [ "$percent_usage" -ge "75" ]; then
if [ -e $STATE_WORKING_DIR/disk_usage_75.state ]; then
exit 0
else
touch $STATE_WORKING_DIR/disk_usage_75.state
message="WARNING disk usage is ${percent_usage}%"
send -c disk.warning -t "$message" "$message"
fi
else
if [ -e $STATE_WORKING_DIR/disk_usage_75.state ]; then
rm $STATE_WORKING_DIR/disk_usage_75.state
fi
if [ -e $STATE_WORKING_DIR/disk_usage_90.state ]; then
rm $STATE_WORKING_DIR/disk_usage_90.state
fi
fi