Instrumentation: removes option to return uname as header (#62929)

Signed-off-by: bergquist <carl.bergquist@gmail.com>

docs/sources/setup-grafana/configure-grafana/feature-toggles/index.md

@@ -56,7 +56,6 @@ Alpha features might be changed or removed without prior notice.
 
 | Feature toggle name                | Description                                                                                                                                                                  |
 | ---------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| `returnUnameHeader`                | Return user login as header for authenticated requests                                                                                                                       |
 | `alertingBigTransactions`          | Use big transactions for alerting database writes                                                                                                                            |
 | `dashboardPreviews`                | Create and show thumbnails for dashboard search results                                                                                                                      |
 | `live-pipeline`                    | Enable a generic live processing pipeline                                                                                                                                    |

packages/grafana-data/src/types/featureToggles.gen.ts

@@ -16,7 +16,6 @@
 export interface FeatureToggles {
   [name: string]: boolean | undefined; // support any string value
 
-  returnUnameHeader?: boolean;
   alertingBigTransactions?: boolean;
   trimDefaults?: boolean;
   disableEnvelopeEncryption?: boolean;

pkg/services/contexthandler/contexthandler.go

@@ -214,11 +214,6 @@ func (h *ContextHandler) Middleware(next http.Handler) http.Handler {
 			}
 		}
 
-		// this can be used by proxies to identify certain users
-		if h.features.IsEnabled(featuremgmt.FlagReturnUnameHeader) {
-			w.Header().Add("grafana-uname", reqContext.Login)
-		}
-
 		next.ServeHTTP(w, r)
 	})
 }

pkg/services/featuremgmt/registry.go

@@ -9,11 +9,6 @@ package featuremgmt
 var (
 	// Register each toggle here
 	standardFeatureFlags = []FeatureFlag{
-		{
-			Name:        "returnUnameHeader",
-			Description: "Return user login as header for authenticated requests",
-			State:       FeatureStateAlpha,
-		},
 		{
 			Name:        "alertingBigTransactions",
 			Description: "Use big transactions for alerting database writes",

pkg/services/featuremgmt/toggles_gen.go

@@ -7,10 +7,6 @@
 package featuremgmt
 
 const (
-	// FlagReturnUnameHeader
-	// Return user login as header for authenticated requests
-	FlagReturnUnameHeader = "returnUnameHeader"
-
 	// FlagAlertingBigTransactions
 	// Use big transactions for alerting database writes
 	FlagAlertingBigTransactions = "alertingBigTransactions"