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Graceful Shutdown: Signal-Handler für sauberes Herunterfahren aller Dienste

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Patrick Asmus
2026-03-23 22:20:05 +01:00
parent cbb918d6b2
commit 7eb2b6ff0b
5 changed files with 109 additions and 1 deletions
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87
assets/bin/RunTrackmaniaServer.sh
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@@ -1119,5 +1119,92 @@ echo "==> Starte Log-Rotation (stuendlich, groessenbasiert 10 MB)..."
LOGROTATE_PID=$!
echo " Log-Rotation gestartet (PID: ${LOGROTATE_PID})"
# ============================================================
# Graceful Shutdown: Signal-Handler
# ============================================================
# Faengt SIGTERM/SIGINT ab und beendet alle Dienste sauber in
# der richtigen Reihenfolge:
# 1. XAseco-Healthcheck (verhindert Neustart waehrend Shutdown)
# 2. XAseco (schliesst DB-Connections ordentlich)
# 3. TrackmaniaServer
# 4. Apache (AdminServ/RemoteCP)
# 5. Log-Rotation
# Verhindert Datenbank-Korruption beim Container-Stop.
# ============================================================
graceful_shutdown() {
echo ""
echo "============================================================"
echo "==> Graceful Shutdown eingeleitet (Signal empfangen)..."
echo "============================================================"
# 1. XAseco-Healthcheck beenden (verhindert Neustart waehrend Shutdown)
if [ -n "${HEALTHCHECK_PID:-}" ] && kill -0 "$HEALTHCHECK_PID" 2>/dev/null; then
echo " Beende XAseco-Healthcheck (PID: ${HEALTHCHECK_PID})..."
kill "$HEALTHCHECK_PID" 2>/dev/null
wait "$HEALTHCHECK_PID" 2>/dev/null
echo " XAseco-Healthcheck beendet."
fi
# 2. XAseco beenden (schliesst DB-Connections ordentlich)
XASECO_PID_CURRENT=""
if [ -f "/tmp/xaseco.pid" ]; then
XASECO_PID_CURRENT=$(cat /tmp/xaseco.pid 2>/dev/null)
fi
if [ -n "$XASECO_PID_CURRENT" ] && kill -0 "$XASECO_PID_CURRENT" 2>/dev/null; then
echo " Beende XAseco (PID: ${XASECO_PID_CURRENT})..."
kill "$XASECO_PID_CURRENT" 2>/dev/null
# Warte max. 10 Sekunden auf sauberes Beenden
WAIT_COUNT=0
while kill -0 "$XASECO_PID_CURRENT" 2>/dev/null && [ $WAIT_COUNT -lt 10 ]; do
sleep 1
WAIT_COUNT=$((WAIT_COUNT + 1))
done
if kill -0 "$XASECO_PID_CURRENT" 2>/dev/null; then
echo " XAseco reagiert nicht, sende SIGKILL..."
kill -9 "$XASECO_PID_CURRENT" 2>/dev/null
fi
echo " XAseco beendet."
rm -f /tmp/xaseco.pid
fi
# 3. TrackmaniaServer beenden
if [ -n "${TM_PID:-}" ] && kill -0 "$TM_PID" 2>/dev/null; then
echo " Beende TrackmaniaServer (PID: ${TM_PID})..."
kill "$TM_PID" 2>/dev/null
# Warte max. 10 Sekunden auf sauberes Beenden
WAIT_COUNT=0
while kill -0 "$TM_PID" 2>/dev/null && [ $WAIT_COUNT -lt 10 ]; do
sleep 1
WAIT_COUNT=$((WAIT_COUNT + 1))
done
if kill -0 "$TM_PID" 2>/dev/null; then
echo " TrackmaniaServer reagiert nicht, sende SIGKILL..."
kill -9 "$TM_PID" 2>/dev/null
fi
echo " TrackmaniaServer beendet."
fi
# 4. Apache beenden (AdminServ/RemoteCP)
echo " Beende Apache..."
service apache2 stop 2>/dev/null
echo " Apache beendet."
# 5. Log-Rotation beenden
if [ -n "${LOGROTATE_PID:-}" ] && kill -0 "$LOGROTATE_PID" 2>/dev/null; then
echo " Beende Log-Rotation (PID: ${LOGROTATE_PID})..."
kill "$LOGROTATE_PID" 2>/dev/null
wait "$LOGROTATE_PID" 2>/dev/null
echo " Log-Rotation beendet."
fi
echo "============================================================"
echo "==> Graceful Shutdown abgeschlossen."
echo "============================================================"
exit 0
}
trap graceful_shutdown SIGTERM SIGINT
echo "==> Signal-Handler registriert (SIGTERM/SIGINT -> Graceful Shutdown)"
# Auf TrackmaniaServer warten (Hauptprozess)
wait $TM_PID