84f20951b3
* prevent possible duplicate script execution due to multiple ntp events in parallel Signed-off-by: Dirk Brenken <dev@brenken.org>
35 lines
862 B
Bash
Executable file
35 lines
862 B
Bash
Executable file
#!/bin/sh
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# ntp hotplug script for travelmate
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# Copyright (c) 2020 Dirk Brenken (dev@brenken.org)
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# This is free software, licensed under the GNU General Public License v3.
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# set (s)hellcheck exceptions
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# shellcheck disable=1091,2016,2039,2059,2086,2143,2181,2188
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trm_init="/etc/init.d/travelmate"
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trm_ntpfile="/var/state/travelmate.ntp"
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trm_logger="$(command -v logger)"
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f_log()
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{
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local class="${1}" log_msg="${2}"
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if [ -x "${trm_logger}" ]
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then
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"${trm_logger}" -p "${class}" -t "trm-ntp [${$}]" "${log_msg}"
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else
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printf "%s %s %s\\n" "${class}" "trm-ntp [${$}]" "${log_msg}"
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fi
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}
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if [ "${ACTION}" = "stratum" ] && [ ! -f "${trm_ntpfile}" ] && [ "$("${trm_init}" enabled; printf "%u" ${?})" = "0" ]
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then
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{
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flock -xn 1001
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if [ "$?" = "0" ]
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then
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f_log "info" "get ntp time sync"
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"${trm_init}" restart
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fi
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} 1001>"${trm_ntpfile}"
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fi
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