35 lines
1.7 KiB
Bash
35 lines
1.7 KiB
Bash
#!/bin/sh
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# Please make sure the paths below are correct.
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# Alternatively you can put them in $0.conf, meaning if you've named
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# this script ntp-client then it must go in ntp-client.conf .
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#
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# NTPQV output version of "ntpq -c rv"
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# Version 4 is the most common and up to date version.
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#
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# If you are unsure, which to set, run this script and make sure that
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# the JSON output variables match that in "ntpq -c rv".
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#
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################################################################
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# Don't change anything unless you know what are you doing #
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################################################################
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BIN_NTPQ='/usr/bin/env ntpq'
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BIN_GREP='/usr/bin/env grep'
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BIN_AWK='/usr/bin/env awk'
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CONFIG=$0".conf"
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if [ -f "$CONFIG" ]; then
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# shellcheck disable=SC1090
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. "$CONFIG"
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fi
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NTP_OFFSET=$($BIN_NTPQ -c rv | $BIN_GREP "offset" | $BIN_AWK -Foffset= '{print $2}' | $BIN_AWK -F, '{print $1}')
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NTP_FREQUENCY=$($BIN_NTPQ -c rv | $BIN_GREP "frequency" | $BIN_AWK -Ffrequency= '{print $2}' | $BIN_AWK -F, '{print $1}')
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NTP_SYS_JITTER=$($BIN_NTPQ -c rv | $BIN_GREP "sys_jitter" | $BIN_AWK -Fsys_jitter= '{print $2}' | $BIN_AWK -F, '{print $1}')
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NTP_CLK_JITTER=$($BIN_NTPQ -c rv | $BIN_GREP "clk_jitter" | $BIN_AWK -Fclk_jitter= '{print $2}' | $BIN_AWK -F, '{print $1}')
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NTP_WANDER=$($BIN_NTPQ -c rv | $BIN_GREP "clk_wander" | $BIN_AWK -Fclk_wander= '{print $2}' | $BIN_AWK -F, '{print $1}')
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NTP_VERSION=$($BIN_NTPQ -c rv | $BIN_GREP "version" | $BIN_AWK -F'ntpd ' '{print $2}' | $BIN_AWK -F. '{print $1}')
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echo '{"data":{"offset":"'"$NTP_OFFSET"'","frequency":"'"$NTP_FREQUENCY"'","sys_jitter":"'"$NTP_SYS_JITTER"'","clk_jitter":"'"$NTP_CLK_JITTER"'","clk_wander":"'"$NTP_WANDER"'"},"version":"'"$NTP_VERSION"'","error":"0","errorString":""}'
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exit 0
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