Add system stats endpoints (#101)

logic/disk.js

@@ -239,6 +239,12 @@ function writeStatusFile(statusFile, contents) {
   return diskService.writeFile(statusFilePath, contents);
 }
 
+function readSystemStatusFile(resource) {
+  const statusFilePath = path.join(constants.STATUS_DIR, `${resource}-status.json`);
+  return diskService.readJsonFile(statusFilePath)
+    .catch(() => null);
+}
+
 function statusFileExists(statusFile) {
   if(!/^[0-9a-zA-Z-_]+$/.test(statusFile)) {
     throw new Error('Invalid signal file characters');
@@ -332,4 +338,5 @@ module.exports = {
   readHiddenService,
   memoryWarningStatusFileExists,
   deleteMemoryWarningStatusFile,
+  readSystemStatusFile,
 };

routes/v1/system.js

@@ -2,6 +2,7 @@ const express = require('express');
 const router = express.Router();
 
 const systemLogic = require('logic/system.js');
+const diskLogic = require('logic/disk.js');
 
 const auth = require('middlewares/auth.js');
 
@@ -104,4 +105,34 @@ router.post('/reboot', auth.jwt, safeHandler(async (req, res) => {
     return res.status(constants.STATUS_CODES.OK).json(result);
 }));
 
+router.get('/storage', safeHandler(async (req, res) => {
+    const update = await diskLogic.readSystemStatusFile('storage');
+
+    return res.status(constants.STATUS_CODES.OK).json(update);
+}));
+
+router.get('/memory', safeHandler(async (req, res) => {
+    const update = await diskLogic.readSystemStatusFile('memory');
+
+    return res.status(constants.STATUS_CODES.OK).json(update);
+}));
+
+router.get('/temperature', safeHandler(async (req, res) => {
+    const update = await diskLogic.readSystemStatusFile('temperature');
+
+    return res.status(constants.STATUS_CODES.OK).json(update);
+}));
+
+router.get('/uptime', safeHandler(async (req, res) => {
+    const update = await diskLogic.readSystemStatusFile('uptime');
+
+    return res.status(constants.STATUS_CODES.OK).json(update);
+}));
+
+router.get('/is-umbrel-os', safeHandler(async (req, res) => {
+    return res.status(constants.STATUS_CODES.OK).json(constants.IS_UMBREL_OS);
+}));
+
+
+
 module.exports = router;

utils/const.js

@@ -36,6 +36,7 @@ module.exports = {
   DEBUG_STATUS_FILE: process.env.DEBUG_STATUS_FILE || "/statuses/debug-status.json",
   TOR_PROXY_IP: process.env.TOR_PROXY_IP || '192.168.0.1',
   TOR_PROXY_PORT: process.env.TOR_PROXY_PORT || 9050,
+  IS_UMBREL_OS: process.env.IS_UMBREL_OS === 'true',
   STATUS_CODES: {
     ACCEPTED: 202,
     BAD_GATEWAY: 502,