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#!/bin/bash
# USAGE:
# check_systemd [UNIT ...]
FAILED=()
for unit in "$@"; do
if ! systemctl is-active "$unit" > /dev/null; then
FAILED+=("$unit")
fi
done
if [ ${#FAILED[@]} -gt 0 ]; then
echo "systemd CRITICAL: failed units: ${FAILED[@]}"
exit 2
fi
#if ! systemctl is-system-running > /dev/null; then
# echo systemd WARNING: System state degraded.
# exit 1
#fi
echo "systemd OK: $# units checked"
exit 0
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