patrick
12248afa3a
Neues Modul services/platform_info.py prüft systemd-detect-virt einmalig beim Start (statt pro Request). SMART-Abfragen werden in Containern übersprungen, da /dev/sdX dort meist nicht verfügbar ist. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
485 lines
16 KiB
Python
485 lines
16 KiB
Python
"""
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System Information Service
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Hostname, time, updates, CPU, memory, etc.
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"""
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import subprocess
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import logging
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import socket
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import platform
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from typing import Dict, Any, Optional
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from datetime import datetime
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from services.platform_info import IS_CONTAINER
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logger = logging.getLogger(__name__)
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def get_hostname() -> Dict[str, str]:
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try:
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with open("/etc/hostname", "r") as f:
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hostname = f.read().strip()
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return {"hostname": hostname}
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except Exception as e:
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logger.error(f"Error getting hostname: {e}")
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return {"error": str(e)}
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def set_hostname(hostname: str) -> Dict[str, str]:
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try:
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with open("/etc/hostname", "w") as f:
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f.write(hostname)
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subprocess.run(
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["hostnamectl", "set-hostname", hostname],
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capture_output=True,
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check=False
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)
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logger.info(f"Set hostname to {hostname}")
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return {"status": "success", "hostname": hostname}
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except Exception as e:
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logger.error(f"Error setting hostname: {e}")
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return {"error": str(e)}
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def get_system_info() -> Dict[str, Any]:
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try:
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uname = platform.uname()
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info = {
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"hostname": socket.gethostname(),
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"system": uname.system,
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"kernel": uname.release,
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"machine": uname.machine,
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"processor": platform.processor(),
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"python": platform.python_version()
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}
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try:
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with open("/etc/machine-id", "r") as f:
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info["machine_id"] = f.read().strip()
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except Exception:
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pass
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try:
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result = subprocess.run(
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["dmidecode", "-s", "system-product-name"],
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capture_output=True, text=True, timeout=5
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)
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if result.returncode == 0:
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info["model"] = result.stdout.strip()
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except Exception:
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pass
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try:
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result = subprocess.run(
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["domainname"], capture_output=True, text=True, timeout=5
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)
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if result.returncode == 0:
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domain = result.stdout.strip()
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if domain and domain != "(none)":
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info["domain"] = domain
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except Exception:
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pass
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return info
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except Exception as e:
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logger.error(f"Error getting system info: {e}")
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return {"error": str(e)}
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def get_uptime() -> Dict[str, Any]:
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try:
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import time
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with open("/proc/uptime", "r") as f:
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uptime_seconds = int(float(f.read().split()[0]))
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days = uptime_seconds // 86400
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hours = (uptime_seconds % 86400) // 3600
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minutes = (uptime_seconds % 3600) // 60
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boot_timestamp = time.time() - uptime_seconds
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return {
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"uptime_seconds": uptime_seconds,
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"uptime_string": f"{days}d {hours}h {minutes}m",
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"uptime_formatted": {"days": days, "hours": hours, "minutes": minutes},
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"boot_time": int(boot_timestamp)
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}
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except Exception as e:
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logger.error(f"Error getting uptime: {e}")
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return {"error": str(e)}
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def get_memory() -> Dict[str, Any]:
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try:
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with open("/proc/meminfo", "r") as f:
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lines = f.readlines()
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meminfo = {}
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for line in lines:
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key, value = line.split(":")
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meminfo[key.strip()] = int(value.split()[0]) * 1024
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return {
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"total": meminfo.get("MemTotal", 0),
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"available": meminfo.get("MemAvailable", 0),
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"used": meminfo.get("MemTotal", 0) - meminfo.get("MemAvailable", 0),
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"free": meminfo.get("MemFree", 0),
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"swap_total": meminfo.get("SwapTotal", 0),
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"swap_free": meminfo.get("SwapFree", 0),
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"swap_used": meminfo.get("SwapTotal", 0) - meminfo.get("SwapFree", 0)
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}
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except Exception as e:
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logger.error(f"Error getting memory info: {e}")
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return {"error": str(e)}
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def get_cpu_info() -> Dict[str, Any]:
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try:
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import psutil
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except ImportError:
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logger.debug("psutil not installed, using fallback")
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try:
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with open("/proc/cpuinfo", "r") as f:
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cpuinfo_text = f.read()
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cpu_count = cpuinfo_text.count("processor")
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with open("/proc/loadavg") as f:
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load = f.read()
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return {"count": cpu_count, "load_average": load.split()[:3]}
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except Exception as e:
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logger.error(f"Error getting CPU info: {e}")
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return {"error": str(e)}
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try:
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return {
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"count": psutil.cpu_count(),
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"percent": psutil.cpu_percent(interval=1),
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"load_average": [round(x, 2) for x in __import__("os").getloadavg()]
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}
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except Exception as e:
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logger.error(f"Error getting CPU info with psutil: {e}")
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return {"error": str(e)}
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def get_time() -> Dict[str, str]:
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try:
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now = datetime.now()
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return {
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"iso": now.isoformat(),
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"timestamp": int(now.timestamp()),
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"timezone": datetime.now().astimezone().tzinfo.__str__()
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}
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except Exception as e:
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logger.error(f"Error getting time: {e}")
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return {"error": str(e)}
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def set_time(iso_string: str) -> Dict[str, str]:
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try:
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dt = datetime.fromisoformat(iso_string)
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result = subprocess.run(
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["date", "-s", dt.strftime("%Y-%m-%d %H:%M:%S")],
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capture_output=True, text=True, check=False
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)
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if result.returncode != 0:
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return {"error": result.stderr}
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subprocess.run(["hwclock", "--systohc"], check=False)
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logger.info(f"Set time to {iso_string}")
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return {"status": "success", "time": iso_string}
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except Exception as e:
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logger.error(f"Error setting time: {e}")
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return {"error": str(e)}
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def get_updates() -> Dict[str, Any]:
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try:
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result = subprocess.run(
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["apt", "list", "--upgradable"],
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capture_output=True, text=True, timeout=10, check=False
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)
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if result.returncode != 0:
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return {"error": result.stderr}
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packages = []
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for line in result.stdout.split("\n")[1:]:
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if line.strip():
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parts = line.split("/")
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if len(parts) >= 2:
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packages.append({
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"package": parts[0].strip(),
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"current": parts[1].split("[")[0].strip() if "[" in line else ""
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})
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return {"available": len(packages), "packages": packages}
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except Exception as e:
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logger.error(f"Error checking updates: {e}")
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return {"error": str(e)}
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def reboot() -> Dict[str, str]:
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try:
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subprocess.Popen(["shutdown", "-r", "now"])
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return {"status": "success", "message": "System rebooting..."}
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except Exception as e:
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logger.error(f"Error rebooting: {e}")
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return {"error": str(e)}
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def shutdown() -> Dict[str, str]:
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try:
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subprocess.Popen(["shutdown", "-h", "now"])
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return {"status": "success", "message": "System shutting down..."}
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except Exception as e:
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logger.error(f"Error shutting down: {e}")
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return {"error": str(e)}
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def get_network_info() -> Dict[str, Any]:
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try:
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result = subprocess.run(
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["/usr/sbin/ip", "-j", "addr"],
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capture_output=True, text=True, timeout=5
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)
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if result.returncode == 0:
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import json
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try:
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data = json.loads(result.stdout)
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interfaces = []
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for iface in data:
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addr_info = [
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{"family": addr.get("family"), "local": addr.get("local")}
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for addr in iface.get("addr_info", [])
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]
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interfaces.append({
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"name": iface.get("ifname"),
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"state": iface.get("operstate", "UNKNOWN"),
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"addresses": addr_info
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})
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return {"interfaces": interfaces}
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except json.JSONDecodeError:
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pass
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with open("/proc/net/dev", "r") as f:
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lines = f.readlines()
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interfaces = []
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for line in lines[2:]:
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if ":" in line:
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name = line.split(":")[0].strip()
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interfaces.append({"name": name, "state": "UP", "addresses": []})
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return {"interfaces": interfaces}
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except Exception as e:
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logger.error(f"Error getting network info: {e}")
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return {"error": str(e)}
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def get_network_traffic() -> Dict[str, Any]:
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try:
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with open("/proc/net/dev", "r") as f:
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lines = f.readlines()
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interfaces = []
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for line in lines[2:]:
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if ":" in line:
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name, stats_str = line.split(":")
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name = name.strip()
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stats = stats_str.split()
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if len(stats) >= 16:
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interfaces.append({
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"name": name,
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"rx_bytes": int(stats[0]),
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"rx_packets": int(stats[1]),
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"rx_errors": int(stats[2]),
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"rx_drops": int(stats[3]),
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"tx_bytes": int(stats[8]),
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"tx_packets": int(stats[9]),
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"tx_errors": int(stats[10]),
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"tx_drops": int(stats[11])
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})
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return {"interfaces": interfaces}
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except Exception as e:
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logger.error(f"Error getting network traffic: {e}")
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return {"error": str(e)}
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def get_disk_io() -> Dict[str, Any]:
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if IS_CONTAINER:
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return {"disks": []}
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try:
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with open("/proc/diskstats", "r") as f:
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lines = f.readlines()
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disks = []
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for line in lines:
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fields = line.split()
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if len(fields) >= 14:
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name = fields[2]
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if name.startswith(('dm-', 'loop', 'ram', 'sr', 'zram')):
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continue
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if not any(name.startswith(p) for p in ['sd', 'nvme', 'hd', 'vd']):
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continue
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disks.append({
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"name": name,
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"reads_completed": int(fields[3]),
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"reads_bytes": int(fields[5]) * 512,
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"writes_completed": int(fields[7]),
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"writes_bytes": int(fields[9]) * 512
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})
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return {"disks": disks}
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except Exception as e:
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logger.error(f"Error getting disk I/O: {e}")
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return {"error": str(e)}
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def get_services() -> Dict[str, Any]:
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try:
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result = subprocess.run(
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["/usr/bin/systemctl", "list-units", "--type=service", "--state=running",
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"--no-pager", "--output=json"],
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capture_output=True, text=True, timeout=10
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)
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if result.returncode == 0:
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import json
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try:
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services = json.loads(result.stdout)
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return {
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"services": [
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{"name": svc.get("unit"), "state": svc.get("active"), "description": svc.get("description")}
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for svc in services if svc.get("unit", "").endswith(".service")
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]
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}
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except json.JSONDecodeError:
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pass
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result = subprocess.run(
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["/usr/bin/systemctl", "list-units", "--type=service", "--state=running", "--no-pager"],
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capture_output=True, text=True, timeout=10
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)
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services = []
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for line in result.stdout.split("\n")[1:]:
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if line.strip() and ".service" in line:
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parts = line.split()
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if len(parts) >= 2:
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services.append({
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"name": parts[0],
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"state": "running",
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"description": " ".join(parts[2:]) if len(parts) > 2 else ""
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})
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return {"services": services}
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except Exception as e:
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logger.error(f"Error getting services: {e}")
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return {"error": str(e)}
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def get_all_units() -> Dict[str, Any]:
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units = {"services": [], "targets": [], "sockets": [], "timers": [], "paths": []}
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try:
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result = subprocess.run(
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["/usr/bin/systemctl", "list-units", "--all", "--no-pager", "--output=json"],
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capture_output=True, text=True, timeout=10
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)
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if result.returncode == 0:
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import json
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try:
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for unit in json.loads(result.stdout):
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name = unit.get("unit", "")
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item = {
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"name": name,
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"active": unit.get("active"),
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"sub": unit.get("sub"),
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"description": unit.get("description", "")
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}
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if name.endswith(".service"):
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units["services"].append(item)
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elif name.endswith(".target"):
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units["targets"].append(item)
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elif name.endswith(".socket"):
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units["sockets"].append(item)
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elif name.endswith(".timer"):
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units["timers"].append(item)
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elif name.endswith(".path"):
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units["paths"].append(item)
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return units
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except json.JSONDecodeError:
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pass
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result = subprocess.run(
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["/usr/bin/systemctl", "list-units", "--all", "--no-pager"],
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capture_output=True, text=True, timeout=10
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)
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for line in result.stdout.split("\n")[1:]:
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if not line.strip():
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continue
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parts = line.split()
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if len(parts) < 2:
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continue
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name = parts[0]
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item = {
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"name": name,
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"active": parts[1] if len(parts) > 1 else "unknown",
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"sub": parts[2] if len(parts) > 2 else "",
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"description": " ".join(parts[3:]) if len(parts) > 3 else ""
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}
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if name.endswith(".service"):
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units["services"].append(item)
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elif name.endswith(".target"):
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units["targets"].append(item)
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elif name.endswith(".socket"):
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units["sockets"].append(item)
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elif name.endswith(".timer"):
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units["timers"].append(item)
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elif name.endswith(".path"):
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units["paths"].append(item)
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return units
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except Exception as e:
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logger.error(f"Error getting units: {e}")
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return {"error": str(e)}
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def get_disk_usage() -> Dict[str, Any]:
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try:
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result = subprocess.run(
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["/usr/bin/df", "-P", "-x", "tmpfs", "-x", "devtmpfs", "-x", "squashfs", "-x", "overlay"],
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capture_output=True, text=True, timeout=5
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)
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if result.returncode != 0:
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return {"error": result.stderr}
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filesystems = []
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for line in result.stdout.strip().split("\n")[1:]:
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parts = line.split()
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if len(parts) < 6:
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continue
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try:
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total = int(parts[1]) * 1024
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used = int(parts[2]) * 1024
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available = int(parts[3]) * 1024
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capacity = int(parts[4].rstrip("%"))
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filesystems.append({
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"filesystem": parts[0],
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"mountpoint": parts[5],
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"total": total,
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"used": used,
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"available": available,
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"capacity": capacity,
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})
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except (ValueError, IndexError):
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continue
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return {"filesystems": filesystems}
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except Exception as e:
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logger.error(f"Error getting disk usage: {e}")
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return {"error": str(e)}
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def get_journal_logs(limit: int = 20) -> Dict[str, Any]:
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try:
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result = subprocess.run(
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["/usr/bin/journalctl", "-n", str(limit), "--no-pager", "--output=short"],
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capture_output=True, text=True, timeout=5
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)
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if result.returncode == 0:
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logs = [line.strip() for line in result.stdout.split("\n") if line.strip()]
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return {"logs": logs}
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return {"logs": []}
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except Exception as e:
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logger.error(f"Error getting journal logs: {e}")
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return {"error": str(e)}
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