added update helm command

Signed-off-by: msivasubramaniaan <msivasub@redhat.com>

Author: msivasubramaniaan

src/odo/command.ts

@@ -158,6 +158,10 @@ export class Command {
        return new CommandText('helm repo add openshift https://charts.openshift.io/');
     }
 
+    static updateHelmRepo(): CommandText {
+        return new CommandText('helm repo update');
+     }
+
     static installHelmChart(name: string, chartName: string, version: string): CommandText {
         return new CommandText(`helm install ${name} openshift/${chartName} --version ${version}`);
     }

src/registriesView.ts

@@ -124,6 +124,11 @@ export class ComponentTypesView implements TreeDataProvider<ComponentType> {
         return response;
     }
 
+    public async updateHelmRepo(): Promise<CliExitData> {
+        const response = await getInstance().execute(Command.updateHelmRepo());
+        return response;
+    }
+
     public async installHelmChart(name: string, chartName: string, version: string): Promise<CliExitData> {
         const data = await getInstance().execute(Command.installHelmChart(name, chartName, version));
         return data;

src/webview/helm-chart/helmChartLoader.ts

@@ -112,6 +112,7 @@ export default class HelmChartLoader {
 async function getHelmCharts(eventName: string): Promise<void> {
     if (helmRes.length === 0) {
         await ComponentTypesView.instance.addHelmRepo();
+        await ComponentTypesView.instance.updateHelmRepo();
         const signupResponse = await fetch('https://charts.openshift.io/index.yaml', {
             method: 'GET'
         });