From c0ce8b9338b158f99320e6692004ab0406b86598 Mon Sep 17 00:00:00 2001
From: Raphix <contact.raphix@gmail.com>
Date: Tue, 28 Nov 2023 20:03:02 +0100
Subject: [PATCH] Version 1.0.0 - Ajout de metrics

---
 config.json       |  3 +++
 main.js           | 60 +++++++++++++++++++++++++++++++++++++++++++++++
 package-lock.json | 24 +++++++++++++++++++
 package.json      | 15 ++++++++++++
 4 files changed, 102 insertions(+)
 create mode 100644 config.json
 create mode 100644 main.js
 create mode 100644 package-lock.json
 create mode 100644 package.json

diff --git a/config.json b/config.json
new file mode 100644
index 0000000..13e4ec5
--- /dev/null
+++ b/config.json
@@ -0,0 +1,3 @@
+{
+    "AUTH_KEY": "0"
+}
\ No newline at end of file
diff --git a/main.js b/main.js
new file mode 100644
index 0000000..7734384
--- /dev/null
+++ b/main.js
@@ -0,0 +1,60 @@
+const http = require('http');
+const url = require('url');
+const fs = require('fs');
+const os = require('os');
+const osutils = require('os-utils');
+const {statfs} = require('fs');
+
+const server = http.createServer(async (req, res) => {
+  const parsedUrl = url.parse(req.url, true);
+  const query = parsedUrl.query;
+
+  if (parsedUrl.pathname === '/metrics' && query.key) {
+    const config = JSON.parse(fs.readFileSync('config.json'));
+    if (query.key === config.AUTH_KEY) {
+        var metrics = await getMetrics()
+        
+      res.setHeader('Content-Type', 'application/json');
+      res.end(JSON.stringify(metrics));
+    } else {
+      res.statusCode = 401;
+      res.end('Unauthorized');
+    }
+  } else {
+    res.statusCode = 404;
+    res.end('Not Found');
+  }
+});
+
+server.listen(4000, () => {
+  console.log('Server is running on port 4000');
+});
+
+
+function getMetrics() {
+
+    return new Promise((resolve, reject) => {
+        const space = statfs("/", (err, stats) => {
+            if (err) {
+              throw err
+            }
+
+            var resp = null
+           
+            osutils.cpuUsage(function(cpuUsage) {   
+                resp = {
+                    cpu: Math.round(cpuUsage * 1000),
+                    usedram: osutils.totalmem() - osutils.freemem(),
+                    totalram: osutils.totalmem(),
+                    usedisk: stats.blocks - stats.bfree, 
+                    totaldisk: stats.blocks
+                }
+
+            resolve(resp)
+            
+               
+            })
+            
+        })
+    })
+}
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..2f36fdb
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,24 @@
+{
+  "name": "neutral-link",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "neutral-link",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "os-utils": "^0.0.14"
+      }
+    },
+    "node_modules/os-utils": {
+      "version": "0.0.14",
+      "resolved": "https://registry.npmjs.org/os-utils/-/os-utils-0.0.14.tgz",
+      "integrity": "sha512-ajB8csaHLBvJOYsHJkp8YdO2FvlBbf/ZxaYQwXXRDyQ84UoE+uTuLXxqd0shekXMX6Qr/pt/DDyLMRAMsgfWzg==",
+      "engines": {
+        "node": "*"
+      }
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..133d064
--- /dev/null
+++ b/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "neutral-link",
+  "version": "1.0.0",
+  "description": "Lien vers Neutral",
+  "main": "index.js",
+  "scripts": {
+    "start": "node main.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "os-utils": "^0.0.14"
+  }
+}