ADD: CPU usage monitoring command (#304)

* ADD: CPU usage monitoring command

* bump to v2.0.2 [skip ci]

Co-authored-by: Automated Version Bump <[email protected]>
Co-authored-by: stefa2k <[email protected]>

launcher/package.json

@@ -1,6 +1,6 @@
 {
   "name": "stereum-launcher",
-  "version": "2.0.0",
+  "version": "2.0.3",
   "private": true,
   "description": "Stereum Ethereum Node Setup Launcher",
   "author": "stereum.net",

launcher/src/backend/NodeConnection.js

@@ -345,4 +345,21 @@ export class NodeConnection {
                 rm -rf /etc/stereum`)
     return 'Node destroyed'
   }
+
+
+    // cpuUsage return values:
+    // rc: 0 if everything went fine
+    // stdout: console output normally CPU-Usage
+    // stderr: console error output empty when rc is 0 else the occured error
+
+    // use "import ControlService from '@/store/ControlService'"" in the file you need the data
+    // you then can call it with "await ControlService.getServerVitals()"
+    // use await or handle the promise with .then and .catch
+    // the function needs to be async
+  async getServerVitals(){
+    let response = {}
+    const cpuUsage = await this.sshService.exec(`sar -u 1 1 | awk '{if ($7 != "%idle") print 100.000-$NF}' | tail -1`)  //CPU usage
+    response.cpuUsage = cpuUsage;
+    return response
+  }
 }

launcher/src/background.js

@@ -95,6 +95,10 @@ promiseIpc.on("startOneClickServices", async () => {
   return await oneClickInstall.startServices();
 });
 
+promiseIpc.on("getServerVitals", async () => {
+  return await nodeConnection.getServerVitals();
+})
+
 // Scheme must be registered before the app is ready
 protocol.registerSchemesAsPrivileged([
   { scheme: "app", privileges: { secure: true, standard: true } },

launcher/src/store/ControlService.js

@@ -64,19 +64,23 @@ class ControlService extends EventEmitter {
 
   async getOneClickConstellation (args) {
     return await this.promiseIpc.send('getOneClickConstellation', args)
-  }
+  }
 
   async prepareOneClickInstallation (args) {
     return await this.promiseIpc.send('prepareOneClickInstallation', args)
-  }
+  }
 
   async writeOneClickConfiguration () {
     return await this.promiseIpc.send('writeOneClickConfiguration')
-  }
+  }
 
   async startOneClickServices () {
     return await this.promiseIpc.send('startOneClickServices')
   }
+
+  async getServerVitals(){
+    return await this.promiseIpc.send('getServerVitals')
+  }
 }
 if (!instance) {
   instance = new ControlService(window.electron)