Files
PFVCluster/oam/librenms-agent/agent/ntp-server.sh
T
mrcharles 75de9d7104 feat(oam): port LibreNMS agent tooling from KNELServerBuild [#474]
Port the live LibreNMS monitoring patterns from the legacy
KNELServerBuild repo into oam/librenms-agent/, joining the existing
OAM tooling (oxidized, unpoller, smokeping, netdisco):

- agent/ — upstream check_mk agent + snmp-extend scripts (dmi, dpkg,
  mysql, ntp-client, ntp-server, os-updates, postfix, raspberry, smart,
  ss, ups-nut), copied verbatim (md5-verified), never to be edited here
- setup.sh — deploy module ported from ProjectCode/Modules/OAM/
  oam-librenms.sh; only the legacy framework bootstrap was replaced
  with plain bash (path constants + print_info -> echo)
- snmp-sudo.conf — Debian snmpd sudo rule the extends require
  (Debian-snmp NOPASSWD /bin/cat); carried as a file only, sudoers
  install is a policy decision per AGENTS.md

Lint gates: extend the existing upstream-skip mechanism for the
verbatim agent scripts (tests/shellcheck.sh + check-rules.sh prune,
same precedent as archive/provisioning/Agents/librenms), and fix the
stale skip path there (provisioning/ moved to archive/provisioning in
6244c1c; the bash extends have been failing the whole-repo shellcheck
gate since).

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#!/bin/sh
# Please make sure the paths below are correct.
# Alternatively you can put them in $0.conf, meaning if you've named
# this script ntp-client.sh then it must go in ntp-client.sh.conf .
#
# NTPQV output version of "ntpq -c rv"
# p1 DD-WRT and some other outdated linux distros
# p11 FreeBSD 11 and any linux distro that is up to date
#
# If you are unsure, which to set, run this script and make sure that
# the JSON output variables match that in "ntpq -c rv".
#
BIN_NTPD='/usr/bin/env ntpd'
BIN_NTPQ='/usr/bin/env ntpq'
BIN_NTPDC='/usr/bin/env ntpdc'
BIN_GREP='/usr/bin/env grep'
BIN_TR='/usr/bin/env tr'
BIN_CUT='/usr/bin/env cut'
BIN_SED="/usr/bin/env sed"
BIN_AWK='/usr/bin/env awk'
NTPQV="p11"
################################################################
# Don't change anything unless you know what are you doing #
################################################################
CONFIG=$0".conf"
if [ -f $CONFIG ]; then
. $CONFIG
fi
VERSION=1
STRATUM=`$BIN_NTPQ -c rv | $BIN_GREP -Eow "stratum=[0-9]+" | $BIN_CUT -d "=" -f 2`
# parse the ntpq info that requires version specific info
NTPQ_RAW=`$BIN_NTPQ -c rv | $BIN_GREP jitter | $BIN_SED 's/[[:alpha:]=,_]/ /g'`
if [ $NTPQV = "p11" ]; then
OFFSET=`echo $NTPQ_RAW | $BIN_AWK -F ' ' '{print $3}'`
FREQUENCY=`echo $NTPQ_RAW | $BIN_AWK -F ' ' '{print $4}'`
SYS_JITTER=`echo $NTPQ_RAW | $BIN_AWK -F ' ' '{print $5}'`
CLK_JITTER=`echo $NTPQ_RAW | $BIN_AWK -F ' ' '{print $6}'`
CLK_WANDER=`echo $NTPQ_RAW | $BIN_AWK -F ' ' '{print $7}'`
fi
if [ $NTPQV = "p1" ]; then
OFFSET=`echo $NTPQ_RAW | $BIN_AWK -F ' ' '{print $2}'`
FREQUENCY=`echo $NTPQ_RAW | $BIN_AWK -F ' ' '{print $3}'`
SYS_JITTER=`echo $NTPQ_RAW | $BIN_AWK -F ' ' '{print $4}'`
CLK_JITTER=`echo $NTPQ_RAW | $BIN_AWK -F ' ' '{print $5}'`
CLK_WANDER=`echo $NTPQ_RAW | $BIN_AWK -F ' ' '{print $6}'`
fi
VER=`$BIN_NTPD --version`
if [ "$VER" = '4.2.6p5' ]; then
USECMD=`echo $BIN_NTPDC -c iostats`
else
USECMD=`echo $BIN_NTPQ -c iostats localhost`
fi
CMD2=`$USECMD | $BIN_TR -d ' ' | $BIN_CUT -d : -f 2 | $BIN_TR '\n' ' '`
TIMESINCERESET=`echo $CMD2 | $BIN_AWK -F ' ' '{print $1}'`
RECEIVEDBUFFERS=`echo $CMD2 | $BIN_AWK -F ' ' '{print $2}'`
FREERECEIVEBUFFERS=`echo $CMD2 | $BIN_AWK -F ' ' '{print $3}'`
USEDRECEIVEBUFFERS=`echo $CMD2 | $BIN_AWK -F ' ' '{print $4}'`
LOWWATERREFILLS=`echo $CMD2 | $BIN_AWK -F ' ' '{print $5}'`
DROPPEDPACKETS=`echo $CMD2 | $BIN_AWK -F ' ' '{print $6}'`
IGNOREDPACKETS=`echo $CMD2 | $BIN_AWK -F ' ' '{print $7}'`
RECEIVEDPACKETS=`echo $CMD2 | $BIN_AWK -F ' ' '{print $8}'`
PACKETSSENT=`echo $CMD2 | $BIN_AWK -F ' ' '{print $9}'`
PACKETSENDFAILURES=`echo $CMD2 | $BIN_AWK -F ' ' '{print $10}'`
INPUTWAKEUPS=`echo $CMD2 | $BIN_AWK -F ' ' '{print $11}'`
USEFULINPUTWAKEUPS=`echo $CMD2 | $BIN_AWK -F ' ' '{print $12}'`
echo '{"data":{"offset":"'$OFFSET\
'","frequency":"'$FREQUENCY\
'","sys_jitter":"'$SYS_JITTER\
'","clk_jitter":"'$CLK_JITTER\
'","clk_wander":"'$CLK_WANDER\
'","stratum":"'$STRATUM\
'","time_since_reset":"'$TIMESINCERESET\
'","receive_buffers":"'$RECEIVEDBUFFERS\
'","free_receive_buffers":"'$FREERECEIVEBUFFERS\
'","used_receive_buffers":"'$USEDRECEIVEBUFFERS\
'","low_water_refills":"'$LOWWATERREFILLS\
'","dropped_packets":"'$DROPPEDPACKETS\
'","ignored_packets":"'$IGNOREDPACKETS\
'","received_packets":"'$RECEIVEDPACKETS\
'","packets_sent":"'$PACKETSSENT\
'","packet_send_failures":"'$PACKETSENDFAILURES\
'","input_wakeups":"'$PACKETSENDFAILURES\
'","useful_input_wakeups":"'$USEFULINPUTWAKEUPS\
'"},"error":"0","errorString":"","version":"'$VERSION'"}'