29 lines
643 B
Plaintext
29 lines
643 B
Plaintext
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#! /bin/bash
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#
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# check_reboot_required.sh
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# Copyright (C) 2021 Vintage Salt <rehashedsalt@cock.li>
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#
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# Distributed under terms of the MIT license.
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#
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rr="/var/run/reboot-required"
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# 604800 - 1 week in seconds
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threshold="604800"
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if [ -f "$rr" ]; then
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# We have a pending reboot; alert in different states depending on its age
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lastmod=$(date +%s -r "$rr")
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now=$(date +%s)
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if (( now - lastmod > threshold )); then
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echo "CRITICAL - Pending reboot older than $threshold seconds: $(cat rr)"
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exit 2
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else
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echo "WARNING - Pending reboot: $(cat rr)"
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exit 1
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fi
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else
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# We have no pending reboots
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echo "OK - No pending reboots"
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exit 0
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fi
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