Logging: Log frontend errors (#28073)

* basic frontend  Sentry integration

* backend endpoint to capture sentry events

* WIP!

* log user email for frontend logs

* remove debug logging

* lint fixes

* Fix type exports & property names

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* additional struct naming fix

* rename log endpoint, config section & interface

* add sentry sample rate to config

* refac to use EchoSrv

* log user id

* backend tests

* tests for SentryEchoBackend

* sentry echo backend tests

* CustomEndpointTransport tests

* Update pkg/api/frontend_logging_test.go

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* Update conf/defaults.ini

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* Update pkg/api/frontend_logging_test.go

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* don't export unnecesasrily

* update go.sum

* get rid of Convey in tests, use stdlib

* add sentry config to sample.ini

* cleanup to set orig logging handler in test

* Apply suggestions from code review

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* PR feedback changes

* lock sentry version

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

packages/grafana-data/src/types/config.ts

@@ -59,6 +59,18 @@ export interface LicenseInfo {
   edition: string;
 }
 
+/**
+ * Describes Sentry integration config
+ *
+ * @public
+ */
+export interface SentryConfig {
+  enabled: boolean;
+  dsn: string;
+  customEndpoint: string;
+  sampleRate: number;
+}
+
 /**
  * Describes all the different Grafana configuration values available for an instance.
  *
@@ -105,4 +117,5 @@ export interface GrafanaConfig {
   licenseInfo: LicenseInfo;
   http2Enabled: boolean;
   dateFormats?: SystemDateFormatSettings;
+  sentry: SentryConfig;
 }

packages/grafana-runtime/src/config.ts

@@ -62,6 +62,12 @@ export class GrafanaBootConfig implements GrafanaConfig {
   rendererAvailable = false;
   http2Enabled = false;
   dateFormats?: SystemDateFormatSettings;
+  sentry = {
+    enabled: false,
+    dsn: '',
+    customEndpoint: '',
+    sampleRate: 1,
+  };
   marketplaceUrl?: string;
 
   constructor(options: GrafanaBootConfig) {

packages/grafana-runtime/src/services/EchoSrv.ts

@@ -78,6 +78,7 @@ export interface EchoEvent<T extends EchoEventType = any, P = any> {
 export enum EchoEventType {
   Performance = 'performance',
   MetaAnalytics = 'meta-analytics',
+  Sentry = 'sentry',
 }
 
 /**