Metrics publish working correctly

index.js

@@ -1,35 +1,36 @@
 const puppeteer = require('puppeteer');
 
-const MY_PACKAGE_SELECTOR_ID = 'table[style="margin-top:-10px;"] tr:first-child+tr';
-const DATA_SELECTOR='packagecol3';
+const MY_PACKAGE_SELECTOR_ID =
+  'table[style="margin-top:-10px;"] tr:first-child+tr';
+const DATA_SELECTOR = 'packagecol3';
 
-const REGEX = /\d+\.\d{0,2}/g
+const REGEX = /\d+\.\d{0,2}/g;
 
 async function getUsage() {
   const browser = await puppeteer.launch({
-    executablePath: "/usr/bin/chromium-snapshot-bin",
-    args: ["--proxy-server=socks5://10.8.0.14:1080"],
-    headless: false
+    executablePath: '/usr/bin/chromium-snapshot-bin',
+    args: ['--proxy-server=socks5://10.8.0.14:1080'],
+    headless: true,
   });
 
   const page = await browser.newPage();
   await page.goto('http://portal.actcorp.in/group/blr/myaccount');
   await page.click(MY_PACKAGE_SELECTOR_ID);
   await page.waitFor(3000),
-  text = await page.evaluate((sel) => {
-    return document.getElementsByClassName(sel)[3].innerText;
-  }, DATA_SELECTOR);
-  
-  [used,total] = text.match(REGEX).map((x) => parseFloat(x))
-  
+    (text = await page.evaluate(sel => {
+      return document.getElementsByClassName(sel)[3].innerText;
+    }, DATA_SELECTOR));
+
   browser.close();
 
+  [used, total] = text.match(REGEX).map(x => parseFloat(x));
+
   return {
     used: used,
-    total: total
+    total: total,
   };
 }
 
 module.exports = {
-  getUsage: getUsage
+  getUsage: getUsage,
 };

server.js

@@ -5,32 +5,38 @@ const metrics = require('./index');
 
 const collectDefaultMetrics = pClient.collectDefaultMetrics;
 
-const requestHandler = (req, res) => {
-  switch(req.url) {
-    case '/metrics':
-        metrics.getUsage((metrics) => {
-            let usedGauge = new pClient.Gauge({ name: 'act_fup_usage_gigabytes_total', help: 'ACT current usage in GB' });
-        usedGauge.set(metrics.used);
-        let totalGauge = new pClient.Gauge({ name: 'act_fup_max_gigabytes_total', help: 'ACT FUP limit in GB' });
-        totalGauge.set(metrics.total)
-        let register = pClient.register;
+const requestHandler = async (req, res) => {
+    let date = new Date(Date.now()).toLocaleString();
+    console.log(`${date}: ${req.url}`);
+    switch (req.url) {
+        case '/metrics':
+            let m = await metrics.getUsage();
+            let usedGauge = new pClient.Gauge({
+                name: 'act_fup_usage_gigabytes_total',
+                help: 'ACT current usage in GB',
+            });
+            usedGauge.set(m.used);
+            let totalGauge = new pClient.Gauge({
+                name: 'act_fup_max_gigabytes_total',
+                help: 'ACT FUP limit in GB',
+            });
+            totalGauge.set(m.total);
+            let register = pClient.register;
 
-        res.set('Content-Type', register.contentType);
-        res.end(register.metrics());    
-        });
-        
-    break;
-    default:
-    break;
-  }
-}
+            res.setHeader('Content-Type', register.contentType);
+            res.end(register.metrics());
+            break;
+        default:
+            break;
+    }
+};
 
-const server = http.createServer(requestHandler)
+const server = http.createServer(requestHandler);
 
-server.listen(port, (err) => {
-  if (err) {
-    return console.log('something bad happened', err)
-  }
+server.listen(port, err => {
+    if (err) {
+        return console.log('something bad happened', err);
+    }
 
-  console.log(`server is listening on ${port}`)
-})
+    console.log(`server is listening on ${port}`);
+});