小橘
d7e2913d99
- Add linux-system-health sense (CPU load, memory, disk, uptime)
- Register in nerve.yaml with 30s interval
- Clean up .gitignore (ignore logs, pid, sock, false/)
- Remove stale pnpm metadata cache (false/)
小橘 🍊（NEKO Team）
43 lines
1.5 KiB
JavaScript
43 lines
1.5 KiB
JavaScript
import { loadavg, totalmem, freemem, uptime } from "node:os";
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import { execSync } from "node:child_process";
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import { snapshots } from "./schema.ts";
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export async function compute(db, _peers) {
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const [load1, load5, load15] = loadavg();
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const memTotal = totalmem();
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const memFree = freemem();
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const memUsed = memTotal - memFree;
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const memTotalMB = Math.round(memTotal / 1024 / 1024);
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const memUsedMB = Math.round(memUsed / 1024 / 1024);
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const memUsedPct = Math.round((memUsed / memTotal) * 10000) / 100;
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let diskTotalGB = 0, diskUsedGB = 0, diskUsedPct = 0;
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try {
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const df = execSync("df -B1 / | tail -1", { encoding: "utf-8" }).trim();
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const parts = df.split(/\s+/);
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const total = Number(parts[1]);
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const used = Number(parts[2]);
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diskTotalGB = Math.round(total / 1024 / 1024 / 1024 * 100) / 100;
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diskUsedGB = Math.round(used / 1024 / 1024 / 1024 * 100) / 100;
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diskUsedPct = total > 0 ? Math.round((used / total) * 10000) / 100 : 0;
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} catch {}
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const ts = Date.now();
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const uptimeSec = Math.round(uptime());
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await db.insert(snapshots).values({
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ts, cpuLoad1m: load1, cpuLoad5m: load5, cpuLoad15m: load15,
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memTotalMB, memUsedMB, memUsedPct,
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diskTotalGB, diskUsedGB, diskUsedPct,
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uptimeSec,
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});
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return {
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cpu: { load1m: load1, load5m: load5, load15m: load15 },
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memory: { totalMB: memTotalMB, usedMB: memUsedMB, usedPct: memUsedPct },
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disk: { totalGB: diskTotalGB, usedGB: diskUsedGB, usedPct: diskUsedPct },
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uptimeSec,
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};
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}
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