126 lines
5.0 KiB
Python
126 lines
5.0 KiB
Python
"""Push system stats (CPU, RAM, disk, uptime) to Firestore on a loop."""
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######################################################################
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import asyncio
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import logging
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import re
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import subprocess
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import time
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import aiohttp
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import psutil
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from .config import DOC_SYSINFO, SYSINFO_INTERVAL
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log = logging.getLogger(__name__)
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def _fmt_bytes(b: int) -> str:
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"""Format a byte count as a human-readable string (e.g. '1.2 GB')."""
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for unit in ("B", "KB", "MB", "GB", "TB"):
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if abs(b) < 1024:
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return f"{b:.1f} {unit}"
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b /= 1024
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return f"{b:.1f} PB"
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class SysInfoSync:
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"""Background task that collects system stats and pushes them to Firestore."""
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def __init__(self) -> None:
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self._task: asyncio.Task | None = None
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self._tick = 0
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# ── public API ──────────────────────────────────────────────────────────
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def start(self) -> None:
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"""Launch the background sync loop."""
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if self._task is not None:
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return
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self._task = asyncio.create_task(self._run())
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log.info("SysInfo → Firestore sync started (every %ds)", SYSINFO_INTERVAL)
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def stop(self) -> None:
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"""Cancel the background sync loop."""
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if self._task is None:
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return
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self._task.cancel()
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self._task = None
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log.info("SysInfo → Firestore sync stopped")
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# ── internals ───────────────────────────────────────────────────────────
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async def _run(self) -> None:
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"""Main loop — collect stats, push, sleep, repeat."""
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async with aiohttp.ClientSession() as session:
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while True:
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try:
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await self._push(session)
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except asyncio.CancelledError:
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return
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except Exception:
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log.debug("SysInfo Firestore push failed", exc_info=True)
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await asyncio.sleep(SYSINFO_INTERVAL)
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async def _push(self, session: aiohttp.ClientSession) -> None:
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"""Collect current stats and PATCH the Firestore document."""
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cpu = psutil.cpu_percent(interval=1)
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mem = psutil.virtual_memory()
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disk = psutil.disk_usage("/")
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uptime_seconds = int(time.time() - psutil.boot_time())
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# uptime → "3d 12h 5m" or "5h 23m"
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days, r = divmod(uptime_seconds, 86400)
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hours, r = divmod(r, 3600)
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minutes, _ = divmod(r, 60)
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if days > 0:
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uptime_str = f"{days}d {hours}h {minutes}m"
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else:
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uptime_str = f"{hours}h {minutes}m"
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load1, load5, load15 = psutil.getloadavg()
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net = psutil.net_io_counters()
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swap = psutil.swap_memory()
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payload = {
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"fields": {
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"online": {"booleanValue": True},
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"cpu": {"doubleValue": round(cpu, 1)},
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"ram": {"doubleValue": round(mem.percent, 1)},
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"ramUsed": {"stringValue": f"{mem.used // (1024 ** 2)}MB"},
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"ramTotal": {"stringValue": f"{mem.total // (1024 ** 2)}MB"},
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"disk": {"doubleValue": round(disk.percent, 1)},
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"diskUsed": {"stringValue": f"{disk.used // (1024 ** 3)}GB"},
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"diskTotal": {"stringValue": f"{disk.total // (1024 ** 3)}GB"},
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"swap": {"doubleValue": round(swap.percent, 1)},
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"swapUsed": {"stringValue": f"{swap.used // (1024 ** 2)}MB"},
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"swapTotal": {"stringValue": f"{swap.total // (1024 ** 2)}MB"},
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"uptime": {"stringValue": uptime_str},
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"load1": {"doubleValue": round(load1, 1)},
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"load5": {"doubleValue": round(load5, 1)},
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"load15": {"doubleValue": round(load15, 1)},
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"netSent": {"stringValue": _fmt_bytes(net.bytes_sent)},
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"netRecv": {"stringValue": _fmt_bytes(net.bytes_recv)},
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"processes": {"integerValue": len(psutil.pids())},
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"fetch": {"stringValue": self._get_fastfetch()},
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}
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}
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async with session.patch(DOC_SYSINFO, json=payload) as resp:
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if resp.status not in (200, 201):
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body = await resp.text()
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log.debug("Firestore PATCH %d: %s", resp.status, body[:200])
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@staticmethod
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def _get_fastfetch() -> str:
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"""Run fastfetch --pipe --logo none, strip ANSI, return first 15 lines."""
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try:
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result = subprocess.run(
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["fastfetch", "--pipe", "--logo", "none"],
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capture_output=True, text=True, timeout=5,
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)
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clean = re.sub(r"\x1b\[[0-9;]*[a-zA-Z]|\[[0-9]+[A-Z]", "", result.stdout)
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lines = [l for l in clean.strip().splitlines() if l.strip()]
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return "\n".join(lines[:15])
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except Exception:
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return ""
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