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add simple prom file generation script #184

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Merged
merged 1 commit into from
Sep 13, 2025
Merged

add simple prom file generation script #184

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2 changes: 2 additions & 0 deletions rootfs/etc/s6-overlay/s6-rc.d/generate-prom/run
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#!/bin/sh
exec /scripts/generate-prom.sh
1 change: 1 addition & 0 deletions rootfs/etc/s6-overlay/s6-rc.d/generate-prom/type
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longrun
Empty file added rootfs/etc/s6-overlay/s6-rc.d/user/contents.d/generate-prom
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25 changes: 25 additions & 0 deletions rootfs/scripts/generate-prom.sh
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#!/command/with-contenv bash
# shellcheck shell=bash

# generate prom file for consumption by for example docker-telegraf-adsb
# currently this only has autogain as the other metrics can be generated in docker-telegraf-adsb

OUT=/run/skyaware978/stats.prom
TMP=/run/skyaware978/stats.prom.tmp

function generate() {
if [[ -f "$AUTOGAIN_CURRENT_VALUE_FILE" ]]; then
echo "autogain_current_value=$(cat "$AUTOGAIN_CURRENT_VALUE_FILE")"
echo "autogain_max_value=$(cat "$AUTOGAIN_MAX_GAIN_VALUE_FILE")"
echo "autogain_min_value=$(cat "$AUTOGAIN_MIN_GAIN_VALUE_FILE")"
echo "autogain_pct_strong_messages_max=$AUTOGAIN_PERCENT_STRONG_MESSAGES_MAX"
echo "autogain_pct_strong_messages_min=$AUTOGAIN_PERCENT_STRONG_MESSAGES_MIN"
fi
}

while sleep 60; do
generate > "$TMP"
mv -f "$TMP" "$OUT"
done


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