88 lines
2.4 KiB
Python
88 lines
2.4 KiB
Python
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#!/usr/bin/env python3
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"""
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Pusht Mac Mini System-Metriken zum VServer für Netdata.
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Läuft als Hintergrund-Daemon.
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"""
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import subprocess
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import time
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import httpx
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METRICS_URL = "http://152.53.119.77:8127"
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INTERVAL = 10 # Sekunden
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def get_cpu_percent():
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"""CPU-Auslastung via top."""
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result = subprocess.run(
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["top", "-l", "1", "-n", "0"],
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capture_output=True, text=True
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)
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for line in result.stdout.split("\n"):
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if "CPU usage" in line:
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# "CPU usage: 2.53% user, 10.52% sys, 84.21% idle"
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import re
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numbers = re.findall(r'([\d.]+)%', line)
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if len(numbers) >= 2:
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return float(numbers[0]) + float(numbers[1]) # user + sys
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return 0
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def get_memory_percent():
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"""Memory-Auslastung via vm_stat."""
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result = subprocess.run(["vm_stat"], capture_output=True, text=True)
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stats = {}
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for line in result.stdout.split("\n"):
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if ":" in line:
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key, val = line.split(":")
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val = val.strip().rstrip(".")
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try:
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stats[key.strip()] = int(val)
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except:
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pass
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page_size = 16384 # Apple Silicon
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pages_free = stats.get("Pages free", 0)
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pages_active = stats.get("Pages active", 0)
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pages_inactive = stats.get("Pages inactive", 0)
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pages_wired = stats.get("Pages wired down", 0)
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total_pages = pages_free + pages_active + pages_inactive + pages_wired
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used_pages = pages_active + pages_wired
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if total_pages > 0:
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return (used_pages / total_pages) * 100
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return 0
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def get_load_avg():
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"""Load average."""
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result = subprocess.run(["/usr/sbin/sysctl", "-n", "vm.loadavg"], capture_output=True, text=True)
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# "{ 1.23 2.34 3.45 }"
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parts = result.stdout.strip().strip("{}").split()
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if parts:
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return float(parts[0])
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return 0
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def push_metrics():
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"""Sammelt und pusht Metriken."""
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metrics = {
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"macmini.cpu_percent": get_cpu_percent(),
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"macmini.memory_percent": get_memory_percent(),
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"macmini.load_1min": get_load_avg(),
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}
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try:
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httpx.post(METRICS_URL, json=metrics, timeout=5)
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print(f"Pushed: {metrics}")
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except Exception as e:
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print(f"Push failed: {e}")
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def main():
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print(f"Mac Mini metrics pusher → {METRICS_URL}")
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print(f"Interval: {INTERVAL}s")
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while True:
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push_metrics()
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time.sleep(INTERVAL)
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if __name__ == "__main__":
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main()
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