2026-10-17 13:50:19 +02:00
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#!/bin/sh
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# Only ordinary console commands: no /c, /sc, Lua, mods, or achievement changes.
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set -eu
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2026-10-17 13:56:26 +02:00
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trap 'exit 0' TERM INT
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2026-10-17 13:50:19 +02:00
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metrics_dir=${METRICS_DIR:-/metrics}
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mkdir -p "$metrics_dir"
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while :; do
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now=$(date +%s)
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up=0
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players=''
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if response=$(timeout 8 rcon /players online 2>/dev/null); then
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players=$(printf '%s\n' "$response" | sed -n 's/^Online players (\([0-9][0-9]*\)):.*/\1/p' | head -1)
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[ -z "$players" ] || up=1
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fi
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{
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echo '# HELP factorio_server_up Authenticated non-Lua RCON player query succeeded.'
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echo '# TYPE factorio_server_up gauge'
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echo "factorio_server_up $up"
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echo '# HELP factorio_players_online Connected players; omitted if the query fails.'
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echo '# TYPE factorio_players_online gauge'
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[ -z "$players" ] || echo "factorio_players_online $players"
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echo '# HELP factorio_collector_last_poll_timestamp_seconds Last completed polling attempt.'
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echo '# TYPE factorio_collector_last_poll_timestamp_seconds gauge'
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echo "factorio_collector_last_poll_timestamp_seconds $now"
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} > "$metrics_dir/factorio.prom.tmp"
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mv "$metrics_dir/factorio.prom.tmp" "$metrics_dir/factorio.prom"
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sleep 15
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done
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