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Cronjob Monitoring Script #215

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Cronjob Monitoring Script #215

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6438025
This script exposes the exit status of cronjobs.
May 11, 2024
77a77bb
Rename cronjob to cronjob_status
May 25, 2024
2ca5217
Update usage comments to reflect filename change
May 25, 2024
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24 changes: 24 additions & 0 deletions cronjob_status
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#!/usr/bin/env bash
#
# Expose cronjob exit status
#
# Usage: <command> ; cronjob_status "<description>" $?
#
# Example crontab entry:
# * * * * * echo "Hello world!"; cronjob_status "greeting" $? | sponge /var/lib/prometheus/node-exporter/cronjob_greeting.prom
#
# Inspired by: https://janikvonrotz.ch/2020/09/07/monitor-cron-jobs-with-prometheus-grafana-and-node-exporter/
#
# Author: Alex Kraker (github.com/kraker)

# Unofficial strict mode
# See: http://redsymbol.net/articles/unofficial-bash-strict-mode/
set -euo pipefail
IFS=$'\n\t'

readonly DESCRIPTION="$1"
readonly STATUS="$2"

echo "# HELP node_cronjob_status Last exit code of cronjob."
echo "# TYPE node_cronjob_status gauge"
echo "node_cronjob_status{user=\"${USER}\", description=\"${DESCRIPTION}\"} ${STATUS}"