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Eric Loyd
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#!/bin/bash
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. /home/eloyd/NWC2026-AstropotaPOD/AstropotaUtils.sh
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# Default states, minimums and maximums, etc
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mqtt_host="192.168.0.6"
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debug=""
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min=""
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max=""
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warn=""
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crit=""
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exitCode="0"
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statusText="OK"
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# Definitions for where the AstropotaPOD is located (using Nagios Global Headquarters)
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LAT="44.973N"
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LON="93.155W"
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TARGET_TZ="EDT"
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sunwait="/home/eloyd/NWC2026-AstropotaPOD/sunwait"
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do_debug() {
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[ -z "$debug" ] && return
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echo "DEBUG: $*" >&2
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}
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do_help() {
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echo "Usage: $0 -w <warn> -c <crit> -m <min> -M <max> [-d] (kp | flux | sun | puck <field> | NINA <topic> | weather <field> | ppba <field>)"
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exit
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}
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while getopts "w:c:m:M:hd" opt; do
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case "$opt" in
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w) warn="$OPTARG";;
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c) crit="$OPTARG";;
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m) min="$OPTARG";;
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M) max="$OPTARG";;
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h) do_help;;
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d) debug="true";;
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esac
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done
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shift $((OPTIND - 1))
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command="$@"
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[ "$warn" = "-c" -o "$warn" = "ignored" ] && warn=""
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[ "$crit" = "ignored" ] && crit=""
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[ "$min" = "-M" -o "$min" = "ignored" ] && min=""
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[ "$max" = "ignored" ] && max=""
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do_debug "We'll be looking for: $command [-w $warn] [-c $crit] [-m $min] [-M $max]"
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get_weather() {
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do_debug "In get_weather"
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do_debug "mosquitto_sub -W 5 -h $mqtt_host -t AstropotaPOD/weather/$1 -C 1"
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mosquitto_sub -W 5 -h $mqtt_host -t AstropotaPOD/weather/$1 -C 1
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}
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convert_to_time_t() {
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theTime="$1"
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whatDay="${2:-today}"
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theTZ="${3:-EDT}"
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do_debug "convert_to_time_t: theTime=$theTime, whatDay=$whatDay"
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NOW=$(date +%s) # Now in time_t
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theDate=$(date -d "$whatDay" +"%d-%b-%Y")
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do_debug "theDate=$theDate"
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nextEvent=$(date -d "$theDate $theTime ${theTZ}" +%s)
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do_debug "nextEvent=$nextEvent"
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echo "$nextEvent"
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}
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# Sunwait will get today's rise (rise) today's set (set) or tomorrow's rise (tomorrow)
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get_sunrise() {
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do_debug "In get_sunrise"
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NOW=$(date +%s)
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do_debug "NOW=$NOW"
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dawnTime=$($sunwait list 1 nautical rise $LAT $LON | tail -1)
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nextDawn=$(convert_to_time_t $dawnTime)
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# If it's 2am, then NOW is less than DAWN, we don't need to do anything.
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# If it's 2pm, then NOW is greater than DAWN, so we need to get tomorrow's dawn.
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if [ "$NOW" -gt "$nextDawn" ]; then
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do_debug "Need to look at tomorrow's dawn"
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dawnTime=$($sunwait list 2 nautical rise $LAT $LON | tail -1)
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nextDawn=$(convert_to_time_t $dawnTime tomorrow)
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do_debug "Tomorrow's dawn is nextDawn=$nextDawn"
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else
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do_debug "Dawn is still in the future for today, so the next dawn is today's dawn: $nextDawn"
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fi
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do_debug "dawnTime=$dawnTime, nextDawn=$nextDawn"
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duskTime=$($sunwait list nautical set $LAT $LON)
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nextDusk=$(date -d "${dateToday} ${duskTime} ${TARGET_TZ}" +%s)
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do_debug "duskTime=$duskTime, nextDusk=$nextDusk"
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echo "nextDusk=$nextDusk, nextDawn=$nextDawn"
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}
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get_mqtt() {
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do_debug "In get_mqtt"
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do_debug "mosquitto_sub -W 5 -h $mqtt_host -t \"$1\" -C 1"
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mosquitto_sub -W 5 -h $mqtt_host -t "$1" -C 1
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}
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get_puck() {
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do_debug "In get_puck"
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do_debug "mosquitto_sub -W 5 -h $mqtt_host -t AstropotaPOD/sensor/AstropotaPOD-e9af/$1 -C 1"
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mosquitto_sub -W 5 -h $mqtt_host -t AstropotaPOD/sensor/AstropotaPOD-e9af/$1 -C 1
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}
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get_ppba() {
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do_debug "In get_ppba"
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do_debug "mosquitto_sub -W 5 -h $mqtt_host -t PPBA/status/$1 -C 1"
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mosquitto_sub -W 5 -h $mqtt_host -t PPBA/status/$1 -C 1
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}
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get_NINA() {
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do_debug "In get_NINA"
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do_debug "mosquitto_sub -W 5 -h $mqtt_host -t Astro/NINA/$1 -C 1"
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mosquitto_sub -W 5 -h $mqtt_host -t Astro/NINA/$1 -C 1
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}
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get_suntime() {
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do_debug "In get_suntime"
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${sunwait} poll nautical $LAT $LON >/dev/null
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sunState=$?
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do_debug "sunState=$sunState"
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exitCode=0
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statusText="OK"
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case "$sunState" in
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2) exitCode=1; statusText="WARNING - Sky is too bright for imaging.";;
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3) exitCode=0; statusText="OK - Sky is dark. Safe to image deep-sky targets.";;
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*) exitCode=3; statusText="UNKNOWN - invalid code returned from sunwait command";;
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esac
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sunRise=$(get_sunrise)
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echo "${statusText} | IsDark=$exitCode, $sunRise;;;;"
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exit $exitCode
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}
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# main
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value=""
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do_debug "command is $command"
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case "$command" in
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f*|F*) command="10MeV-Flux"; value=$(curl -s "https://services.swpc.noaa.gov/json/goes/primary/integral-protons-7-day.json" | jq '. | map(select(.energy == ">=10 MeV")) | last | .flux');;
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k*|K*) command="Kp-Index"; value=$(curl -s https://services.swpc.noaa.gov/products/noaa-planetary-k-index.json | jq '[last][].Kp');;
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n*|N*) command="$2"; value=$(get_NINA $2);;
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s*|S*) command="Suntime"; get_suntime;;
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t*|T*) command="SunRiseSunSet"; value=$(get_sunrise);;
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w*|W*) command="$2"; value=$(get_weather $2);;
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mqtt*) command="$2"; value=$(get_mqtt $2);;
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ppba*) command="$2"; value=$(get_ppba $2);;
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puck*) command="$2"; value=$(get_puck $2);;
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*) echo "unknown command was $command";;
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esac
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# --- FLOATING POINT FORMATTING ---
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# If value is not empty/unknown, check its formatting
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if [ "$value" != "?" ]; then
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# 1. First, check if it contains RA/Dec formatting symbols (: or °)
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# If it does, bypass formatting completely to preserve the raw coordinate string
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if [[ "$value" == *":"* ]] || [[ "$value" == *"°"* ]]; then
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value="$value"
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# 2. Otherwise, check if it's a strict decimal number and pad/round to 4 spaces
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elif [[ "$value" =~ ^-?[0-9]+\.[0-9]+$ ]]; then
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value=$(printf "%.4f" "$value")
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fi
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fi
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# CRITICAL check must always run first to ensure it takes precedence
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statusText=$(check_threshold "$value" "$warn" "$crit")
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exitCode=$?
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echo "$command $statusText: $value|$command=$value;$warn;$crit;$min;$max"
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exit $exitCode
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# --- NAGIOS OUTPUT STAGE ---
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# Because check_threshold already figured out the severity, we just match the exit code
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case $EXIT_CODE in
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0)
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echo "OK - Value is $value | $command=$value;$warn;$crit;$min;$max"
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exit 0
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;;
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1)
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echo "WARNING - Value $value is outside of warning range ($warn) | $command=$value;$warn;$crit;$min;$max"
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exit 1
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;;
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2)
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echo "CRITICAL - Value $value is outside of critical range ($crit) | $command=$value;$warn;$crit;$min;$max"
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exit 2
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;;
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*)
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echo "UNKNOWN - Received unexpected response from check engine | $command=$value;$warn;$crit;$min;$max"
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exit 3
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;;
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esac
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