refactor(discovery): use ping for discovery and fill MAC via SSH

auto-check/scripts/cpu.sh

@@ -0,0 +1,37 @@
+echo "===TEST:cpu==="
+
+# 后台采样 CPU 使用率 + 温度
+SAMPLE_LOG=/tmp/auto-check-cpu-sample.log
+> "$SAMPLE_LOG"
+(
+	while true; do
+		TS=$(date +%H:%M:%S)
+		CPU=$(top -bn1 2>/dev/null | grep "Cpu(s)" | sed 's/.*,\s*\([0-9.]*\)%*\s*id.*/\1/' | awk '{printf "%.1f", 100-$1}' || echo 0)
+		TEMP=$(sensors 2>/dev/null | grep -iE 'Package|Core\s*0|temp1|CPU' | head -1 | grep -oP '\d+\.?\d*' | head -1 || echo 0)
+		echo "${TS},${CPU},${TEMP}" >> "$SAMPLE_LOG"
+		sleep "${AUTOCHECK_SAMPLE_INTERVAL:-2}"
+	done
+) &
+SAMPLE_PID=$!
+
+START_TIME=$(date +%s%N)
+set +e
+OUTPUT=$(stress-ng --cpu "${AUTOCHECK_THREADS:-4}" --cpu-method all --timeout "${AUTOCHECK_DURATION:-30}s" --metrics-brief --temp-path /tmp 2>&1)
+EXIT_CODE=$?
+set -e
+END_TIME=$(date +%s%N)
+
+kill $SAMPLE_PID 2>/dev/null || true
+wait $SAMPLE_PID 2>/dev/null || true
+
+DURATION_MS=$(( (END_TIME - START_TIME) / 1000000 ))
+if [ "$EXIT_CODE" -eq 0 ]; then echo 'status:pass'; else echo 'status:fail'; fi
+echo "duration:${DURATION_MS}ms"
+echo "output:${OUTPUT}"
+
+# 输出采样数据
+echo "===SAMPLES==="
+cat "$SAMPLE_LOG"
+echo "===END_SAMPLES==="
+
+echo ''