misskey/packages/backend/src/server/api/endpoints/server-info.ts

import * as os from 'os';
import * as si from 'systeminformation';
import define from '../define';

export const meta = {
	requireCredential: false,

	tags: ['meta'],
} as const;

const paramDef = {
	type: 'object',
	properties: {},
	required: [],
} as const;

// eslint-disable-next-line import/no-default-export
export default define(meta, paramDef, async () => {
	const memStats = await si.mem();
	const fsStats = await si.fsSize();

	return {
		machine: os.hostname(),
		cpu: {
			model: os.cpus()[0].model,
			cores: os.cpus().length,
		},
		mem: {
			total: memStats.total,
		},
		fs: {
			total: fsStats[0].size,
			used: fsStats[0].used,
		},
	};
});