forked from cerc-io/laconic-console
92 lines
2.0 KiB
JavaScript
92 lines
2.0 KiB
JavaScript
//
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// Copyright 2020 DxOS.org
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//
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import moment from 'moment';
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import pick from 'lodash.pick';
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import os from 'os';
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import si from 'systeminformation';
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const num = new Intl.NumberFormat('en', { maximumSignificantDigits: 3 });
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const size = (n, unit) => {
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const units = {
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K: 3,
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M: 6,
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G: 9,
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T: 12
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};
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const power = units[unit] || 0;
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return num.format(Math.round(n / (10 ** power))) + (unit ? ` ${unit}` : '');
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};
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/**
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* Get system inforamtion.
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* https://www.npmjs.com/package/systeminformation
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*/
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const getSystemInfo = async () => {
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const ifaces = os.networkInterfaces();
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const addresses = Object.entries(ifaces).reduce((result, [, values]) => {
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values.forEach(({ family, address }) => {
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address = address.toLowerCase();
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// TODO(telackey): Include link-local IPv6?
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if (!address.startsWith('127.') && !address.startsWith('fe80::') && !address.startsWith('::1')) {
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result.push(address);
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}
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});
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return result;
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}, []);
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const cpu = await si.cpu();
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const memory = await si.mem();
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const device = await si.system();
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return {
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cpu: pick(cpu, 'brand', 'cores', 'manufacturer', 'vendor', 'speed'),
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memory: {
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total: size(memory.total, 'M'),
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free: size(memory.free, 'M'),
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used: size(memory.used, 'M'),
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swaptotal: size(memory.swaptotal, 'M')
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},
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device: pick(device, 'model', 'serial', 'version'),
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network: {
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addresses
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},
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// https://nodejs.org/api/os.html
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os: {
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arch: os.arch(),
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platform: os.platform(),
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version: os.version ? os.version() : undefined // Node > 13
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},
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time: {
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now: moment(),
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up: moment().subtract(os.uptime(), 'seconds')
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},
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nodejs: {
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version: process.version
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}
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};
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};
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export const systemResolvers = {
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Query: {
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system_status: async () => {
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const system = await getSystemInfo();
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return {
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timestamp: new Date().toUTCString(),
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json: JSON.stringify(system)
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};
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}
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}
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};
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