Update monitor.js for 2.0.2

Signed-off-by: Sid Sun <sid@sidsun.com>

Author: Sid-Sun

server/model/monitor.js

@@ -28,6 +28,7 @@ const { CookieJar } = require("tough-cookie");
 const { HttpsCookieAgent } = require("http-cookie-agent/http");
 const https = require("https");
 const http = require("http");
+const os = require("os");
 
 const rootCertificates = rootCertificatesFingerprints();
 
@@ -1330,7 +1331,7 @@ class Monitor extends BeanModel {
                 text = "🔴 Down";
             }
 
-            let msg = `[${monitor.name}] [${text}] ${bean.msg}`;
+            let msg = `[${os.hostname()}] [${monitor.name}] [${text}] ${bean.msg}`;
 
             for (let notification of notificationList) {
                 try {
@@ -1343,6 +1344,8 @@ class Monitor extends BeanModel {
                     // Prevent if the msg is undefined, notifications such as Discord cannot send out.
                     if (!heartbeatJSON["msg"]) {
                         heartbeatJSON["msg"] = "N/A";
+                    } else {
+                      heartbeatJSON["msg"] = `[${os.hostname()}] ${heartbeatJSON["msg"]}`;
                     }
 
                     // Also provide the time in server timezone
@@ -1444,7 +1447,7 @@ class Monitor extends BeanModel {
         for (let notification of notificationList) {
             try {
                 log.debug("monitor", "Sending to " + notification.name);
-                await Notification.send(JSON.parse(notification.config), `[${this.name}][${this.url}] ${certType} certificate ${certCN} will expire in ${daysRemaining} days`);
+                await Notification.send(JSON.parse(notification.config), `[${os.hostname()}] [${this.name}][${this.url}] ${certType} certificate ${certCN} will expire in ${daysRemaining} days`);
                 sent = true;
             } catch (e) {
                 log.error("monitor", "Cannot send cert notification to " + notification.name);