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#!/bin/sh
# checks/ntpd.sh
# ntpd process, plus whether the clock's actual offset is within
# tolerance. A stopped or badly-drifted ntpd is a silent failure that
# only shows up later - in TLS handshake failures, cron firing at the
# wrong time, or cross-jail log timestamps that don't line up.
set -eu
DIR=$(dirname "$0")
. "$DIR/../lib/common.sh"
NTPD_STATUS=$(svc_status ntpd)
json_line "host services" "ntpd" "" "$NTPD_STATUS"
if [ "$NTPD_STATUS" != "ok" ]; then
exit 0
fi
RAW=$(ntpq -c "rv 0 offset" 2>/dev/null | sed -n 's/.*offset=\([-+0-9.]*\).*/\1/p')
if [ -z "$RAW" ]; then
json_line "host services" "clock offset" "no response" "warn"
exit 0
fi
STATUS=$(awk -v v="$RAW" 'BEGIN {
a = (v < 0) ? -v : v
if (a < 50) print "ok"
else if (a < 200) print "warn"
else print "down"
}')
json_line "host services" "clock offset" "${RAW} ms" "$STATUS"
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