Update backup and logging documentation for Proxmox and containers. Adjust retention policies for Yandex Object Storage and enhance log rotation settings across various containers. Include detailed instructions for VPS backup processes and configurations for AmneziaVPN.

scripts/vps-metrics-api.py

@@ -0,0 +1,94 @@
+#!/usr/bin/env python3
+"""
+Скрипт метрик для VPS: CPU, RAM, диск.
+Запуск: python3 vps-metrics-api.py [--port 3497]
+Установи на каждый VPS и открой порт в файрволе (3497/tcp).
+
+Systemd (опционально):
+  sudo cp vps-metrics-api.py /usr/local/bin/
+  sudo chmod +x /usr/local/bin/vps-metrics-api.py
+  Создай юнит /etc/systemd/system/vps-metrics.service с ExecStart=/usr/bin/python3 /usr/local/bin/vps-metrics-api.py
+  sudo systemctl enable --now vps-metrics
+"""
+import json
+import subprocess
+import sys
+from http.server import HTTPServer, BaseHTTPRequestHandler
+
+PORT = 3497
+
+
+def get_metrics():
+    """Собирает метрики из /proc и df. Только stdlib."""
+    out = {}
+    try:
+        # Load average (1 min)
+        with open("/proc/loadavg") as f:
+            parts = f.read().strip().split()
+            out["load_1"] = round(float(parts[0]), 2)
+        # Memory: MemTotal, MemAvailable
+        mem = {}
+        with open("/proc/meminfo") as f:
+            for line in f:
+                if ":" in line:
+                    k, v = line.strip().split(":", 1)
+                    mem[k.strip()] = int(v.strip().split()[0])  # kB
+        total_kb = mem.get("MemTotal", 0)
+        avail_kb = mem.get("MemAvailable", mem.get("MemFree", 0))
+        used_kb = total_kb - avail_kb
+        out["memory_total_gb"] = round(total_kb / 1024 / 1024, 2)
+        out["memory_used_gb"] = round(used_kb / 1024 / 1024, 2)
+        out["memory_percent"] = round(100 * used_kb / total_kb, 1) if total_kb else 0
+        out["memory.status"] = f"{out['memory_used_gb']:.1f} / {out['memory_total_gb']:.1f} GB"
+        # Disk: root /
+        result = subprocess.run(
+            ["df", "-k", "/"],
+            capture_output=True,
+            text=True,
+            timeout=5,
+        )
+        if result.returncode == 0 and result.stdout:
+            lines = result.stdout.strip().split("\n")
+            if len(lines) >= 2:
+                parts = lines[1].split()
+                if len(parts) >= 4:
+                    total_kb = int(parts[1])
+                    used_kb = int(parts[2])
+                    avail_kb = int(parts[3])
+                    total_gb = total_kb / 1024 / 1024
+                    used_gb = used_kb / 1024 / 1024
+                    avail_gb = avail_kb / 1024 / 1024
+                    out["disk_total_gb"] = round(total_gb, 1)
+                    out["disk_used_gb"] = round(used_gb, 1)
+                    out["disk_free_gb"] = round(avail_gb, 1)
+                    out["disk_percent"] = round(100 * used_kb / total_kb, 1) if total_kb else 0
+                    out["disk.status"] = f"{out['disk_free_gb']:.1f} / {out['disk_total_gb']:.1f} GB свободно"
+        # Uptime
+        with open("/proc/uptime") as f:
+            out["uptime_seconds"] = int(float(f.read().split()[0]))
+    except Exception as e:
+        out["error"] = str(e)
+    return out
+
+
+class Handler(BaseHTTPRequestHandler):
+    def do_GET(self):
+        self.send_response(200)
+        self.send_header("Content-Type", "application/json")
+        self.end_headers()
+        self.wfile.write(json.dumps(get_metrics(), ensure_ascii=False).encode())
+
+    def log_message(self, *args):
+        pass
+
+
+def main():
+    port = PORT
+    if len(sys.argv) > 1 and sys.argv[1] == "--port" and len(sys.argv) > 2:
+        port = int(sys.argv[2])
+    print(f"VPS metrics API: http://0.0.0.0:{port}", file=sys.stderr)
+    HTTPServer(("0.0.0.0", port), Handler).serve_forever()
+
+
+if __name__ == "__main__":
+    main()