Implement Group Managed Service Account (gMSA) support

README.md

@@ -245,6 +245,28 @@ svc.sudo.password = 'password';
 ...
 ```
 
+**app.js**
+
+To use Group Managed Service Accounts, append `$` to the end of account name and specify `svc.logOnAs.gmsa = true`
+
+
+```js
+var Service = require('node-windows').Service;
+
+// Create a new service object
+var svc = new Service({
+  name:'Hello World',
+  script: require('path').join(__dirname,'helloworld.js'),
+  allowServiceLogon: true 
+});
+
+svc.logOnAs.domain = 'mydomain.local';
+svc.logOnAs.account = 'username_$';
+svc.logOnAs.gmsa = true;
+...
+```
+
+
 ### Depending on other services
 
 The service can also be made dependant on other Windows services.

lib/daemon.js

@@ -410,6 +410,7 @@ var daemon = function (config) {
       enumerable: false,
       writable: true,
       configurable: false,
+      gmsa: false,
       value: {
         account: null,
         password: null,

lib/winsw.js

@@ -125,9 +125,12 @@ console.log({loc: 'winsw.js ~line 77', xml, config})
       var serviceaccount = [
         { domain: config.logOnAs.domain || 'NT AUTHORITY' },
         { user: config.logOnAs.account || 'LocalSystem' },
-        { password: config.logOnAs.password || '' }
       ]
 
+      if(!config.logOnAs.gmsa){
+        serviceaccount.push({ password: config.logOnAs.password || '' })
+      }
+
       if (config.allowServiceLogon) {
         serviceaccount.push({ allowservicelogon: 'true' })
       }