34 lines
847 B
Bash
Executable File
34 lines
847 B
Bash
Executable File
#! /bin/bash
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#
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# Gets the number of pending APT package updates and returns differently
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# depending on how many have yet to be applied
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#
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threshold_warn=10
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threshold_crit=20
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# https://askubuntu.com/questions/269606/apt-get-count-the-number-of-updates-available
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pending="$(apt-get -q -y --ignore-hold --allow-change-held-packages --allow-unauthenticated -s dist-upgrade | \
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/bin/grep ^Inst | \
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wc -l)"
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if [ -n "$pending" ]; then
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if (( pending >= threshold_crit )); then
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echo "CRITICAL - $pending package updates pending"
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exit 2
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elif (( pending >= threshold_warn )); then
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echo "WARNING - $pending package updates pending"
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exit 1
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elif (( pending > 0 )); then
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echo "OK - $pending package updates pending"
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exit 0
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else
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echo "OK - No updates available"
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exit 0
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fi
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else
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echo "UNKNOWN - Unable to get pending updates"
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exit 3
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fi
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