Stabilize fastfetch/server observations behavior
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This commit is contained in:
mrkmntal 2026-08-21 19:19:27 -04:00
commit c82d7648ab
2 changed files with 69 additions and 5 deletions

View file

@ -221,16 +221,22 @@ if (!process.env?.STATIC) {
app.get('/api/server-info', async (req, res) => { app.get('/api/server-info', async (req, res) => {
try { try {
// Use --structure to show only essential info: OS, Kernel, Uptime, CPU, GPU, Memory, Disk // Use --structure to show only essential info: OS, Kernel, Uptime, CPU, GPU, Memory, Disk
const { stdout } = await execAsync('fastfetch --structure "Title:OS:Kernel:Uptime:CPU:GPU:Memory:Disk" --pipe false'); // --logo none prevents image/ascii logo rendering issues on headless systems
// Strip all ANSI escape sequences (color codes, cursor positioning, etc.) // --pipe disables colors for clean text output
const { stdout } = await execAsync(
'fastfetch --structure "Title:OS:Kernel:Uptime:CPU:GPU:Memory:Disk" --logo none --pipe',
{ timeout: 10000 },
);
// Strip all ANSI escape sequences (color codes, cursor positioning, OSC sequences, etc.)
// eslint-disable-next-line no-control-regex // eslint-disable-next-line no-control-regex
const cleanOutput = stdout.replace(/\x1b\[[0-9;]*[a-zA-Z]/g, ''); const cleanOutput = stdout.replace(/\x1b(?:\[[0-?]*[ -/]*[@-~]|\][^\x07]*(?:\x07|\x1b\\))/g, '');
res.json({ res.json({
success: true, success: true,
data: cleanOutput, data: cleanOutput,
}); });
} catch (error) { } catch (error) {
// fastfetch not available or other error // fastfetch not available or other error
console.error('fastfetch failed:', error.message);
res.json({ res.json({
success: false, success: false,
data: null, data: null,

View file

@ -9,9 +9,67 @@ import { withBasePath } from './utils/base-path.mjs';
const LINES_PER_PAGE = 4; const LINES_PER_PAGE = 4;
const PAGE_DURATION_MS = 7000; const PAGE_DURATION_MS = 7000;
const ALLOWED_KEYS = new Set(['OS', 'Kernel', 'Uptime', 'CPU', 'GPU', 'Memory', 'Disk']); const ALLOWED_KEYS = new Set(['OS', 'Kernel', 'Uptime', 'CPU', 'GPU', 'Memory', 'Disk']);
const MAX_LINE_LENGTH = 34;
const isAllowedObservationKey = (key) => ALLOWED_KEYS.has(key) || key.startsWith('Disk'); const isAllowedObservationKey = (key) => ALLOWED_KEYS.has(key) || key.startsWith('Disk');
const truncateLine = (text, maxLength = MAX_LINE_LENGTH) => {
if (text.length <= maxLength) return text;
return `${text.slice(0, maxLength - 3)}...`;
};
const roundOneDecimal = (value) => {
const rounded = Number(value).toFixed(1);
return rounded.endsWith('.0') ? rounded.slice(0, -2) : rounded;
};
const formatMemoryOrDisk = (value) => {
const cleaned = value.replace(/\s*\(\d+%\)/, '').replace(/\s*- .*/, '').trim();
const unitMatch = cleaned.match(/([\d.]+)\s*(TiB|GiB|MiB|KiB|TB|GB|MB|KB|B)\s*\/\s*([\d.]+)\s*(TiB|GiB|MiB|KiB|TB|GB|MB|KB|B)/);
if (!unitMatch) return cleaned;
return `${roundOneDecimal(unitMatch[1])} / ${roundOneDecimal(unitMatch[3])} ${unitMatch[2]}`;
};
const formatValue = (key, value) => {
switch (key) {
case 'OS':
return value
.replace(/\s*\([^)]*\)\s*(x86_64|aarch64|arm64|i386|i686|amd64)/gi, '')
.replace(/\s*(x86_64|aarch64|arm64|i386|i686|amd64)/gi, '')
.trim();
case 'Kernel':
return value.replace(/(-[a-zA-Z0-9._-]+)+$/, '').trim();
case 'Uptime':
return value
.replace(/ days?/g, 'd')
.replace(/ hours?/g, 'h')
.replace(/ mins?/g, 'm')
.replace(/ secs?/g, 's');
case 'CPU': {
const match = value.match(/(Intel Core i\d+(?:-\d+\w*)?|Intel Xeon|Intel Pentium|Intel Celeron|AMD Ryzen \d+(?: \d+\w*)?|AMD FX|AMD Athlon|Apple M\d+|ARM Cortex|Qualcomm Snapdragon)/i);
if (match) return match[1];
return value
.replace(/\(R\)/g, '')
.replace(/\(TM\)/g, '')
.replace(/\s*\(\d+\)\s*@\s*[\d.]+ GHz.*/, '')
.trim();
}
case 'GPU':
return value
.replace(/\(R\)/g, '')
.replace(/\(TM\)/g, '')
.replace(/ Integrated Graphics Controller.*/i, '')
.replace(/ @ [\d.]+ GHz.*/, '')
.replace(/ \[.*\]$/, '')
.trim();
case 'Memory':
return formatMemoryOrDisk(value);
default:
if (key.startsWith('Disk')) return formatMemoryOrDisk(value);
return value;
}
};
const parseServerObservationLine = (line) => { const parseServerObservationLine = (line) => {
const trimmed = line.trim(); const trimmed = line.trim();
if (!trimmed) return null; if (!trimmed) return null;
@ -23,7 +81,7 @@ const parseServerObservationLine = (line) => {
const key = trimmed.slice(0, separatorIndex).trim(); const key = trimmed.slice(0, separatorIndex).trim();
const value = trimmed.slice(separatorIndex + separator.length).trim(); const value = trimmed.slice(separatorIndex + separator.length).trim();
if (key && value && isAllowedObservationKey(key)) { if (key && value && isAllowedObservationKey(key)) {
return { key, value }; return { key, value: formatValue(key, value) };
} }
} }
return null; return null;
@ -91,7 +149,7 @@ class ServerObservations extends WeatherDisplay {
pageLines.forEach((line) => { pageLines.forEach((line) => {
const lineDiv = document.createElement('div'); const lineDiv = document.createElement('div');
lineDiv.className = 'server-line'; lineDiv.className = 'server-line';
lineDiv.textContent = `${line.key}: ${line.value}`; lineDiv.textContent = truncateLine(`${line.key}: ${line.value}`);
pageElem.appendChild(lineDiv); pageElem.appendChild(lineDiv);
}); });