[code browser]: Measure all sessions vs errored session

Author: filiptronicek

components/supervisor/frontend/src/ide/ide-metrics-service-client.ts

@@ -8,7 +8,9 @@ import { serverUrl } from '../shared/urls';
 
 export enum MetricsName {
     SupervisorFrontendClientTotal = "gitpod_supervisor_frontend_client_total",
-    SupervisorFrontendErrorTotal = "gitpod_supervisor_frontend_error_total"
+    SupervisorFrontendErrorTotal = "gitpod_supervisor_frontend_error_total",
+    SupervisorFrontendSessionErrored = "gitpod_supervisor_frontend_sessions_errored",
+    SupervisorFrontendSessionsTotal = "gitpod_supervisor_frontend_sessions_total"
 }
 
 const MetricsUrl = serverUrl.asIDEMetrics().toString();

components/supervisor/frontend/src/index.ts

@@ -11,6 +11,13 @@
 import { IDEMetricsServiceClient, MetricsName } from "./ide/ide-metrics-service-client";
 IDEMetricsServiceClient.addCounter(MetricsName.SupervisorFrontendClientTotal).catch(() => {})
 
+try {
+    if (!sessionStorage.getItem('gitpodSessionReportedLoad')) {
+        sessionStorage.setItem('gitpodSessionReportedLoad', 'true');
+        IDEMetricsServiceClient.addCounter(MetricsName.SupervisorFrontendSessionsTotal);
+    }
+} catch {}
+
 //#region supervisor frontend error capture
 function isElement(obj: any): obj is Element {
     return typeof obj.getAttribute === 'function'
@@ -30,6 +37,12 @@ window.addEventListener('error', (event) => {
             labels['error'] = 'LoadError';
         }
     }
+
+    if (!sessionStorage.getItem('gitpodSessionReportedError')) {
+        sessionStorage.setItem('gitpodSessionReportedError', 'true');
+        IDEMetricsServiceClient.addCounter(MetricsName.SupervisorFrontendSessionErrored);
+    }
+
     IDEMetricsServiceClient.addCounter(MetricsName.SupervisorFrontendErrorTotal, labels).catch(() => {});
 });
 //#endregion

install/installer/pkg/components/ide-metrics/configmap.go

@@ -46,6 +46,14 @@ func configmap(ctx *common.RenderContext) ([]runtime.Object, error) {
 				},
 			},
 		},
+		{
+			Name: "gitpod_supervisor_frontend_sessions_errored",
+			Help: "Total count of supervisor frontend client errored sessions",
+		},
+		{
+			Name: "gitpod_supervisor_frontend_sessions_total",
+			Help: "Total count of supervisor frontend client sessions",
+		},
 		{
 			Name: "gitpod_supervisor_frontend_client_total",
 			Help: "Total count of supervisor frontend client",