Features: Add aplha feature toggle for authn service (#59469)

* Features: Add aplha feature toggle for authn service

* AuthN: Add service boilerplate

* Set authnz-team as codeowners of authn service

.github/CODEOWNERS

@@ -224,6 +224,7 @@ lerna.json @grafana/frontend-ops
 /pkg/services/teamguardian @grafana/grafana-authnz-team
 /pkg/services/serviceaccounts @grafana/grafana-authnz-team
 /pkg/services/loginattempt @grafana/grafana-authnz-team
+/pkg/services/authn @grafana/grafana-authnz-team
 
 # Grafana Partnerships Team
 /pkg/infra/httpclient/httpclientprovider/sigv4_middleware.go @grafana/grafana-partnerships-team

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

@@ -82,4 +82,5 @@ export interface FeatureToggles {
   nestedFolders?: boolean;
   accessTokenExpirationCheck?: boolean;
   elasticsearchBackendMigration?: boolean;
+  authnService?: boolean;
 }

pkg/services/authn/authn.go

@@ -0,0 +1,4 @@
+package authn
+
+type Service interface {
+}

pkg/services/authn/authnimpl/service.go

@@ -0,0 +1,8 @@
+package authnimpl
+
+import "github.com/grafana/grafana/pkg/services/authn"
+
+var _ authn.Service = new(Service)
+
+type Service struct {
+}

pkg/services/authn/authntest/fake.go

@@ -0,0 +1,7 @@
+package authntest
+
+import "github.com/grafana/grafana/pkg/services/authn"
+
+type FakeService struct {
+	authn.Service
+}

pkg/services/featuremgmt/registry.go

@@ -367,5 +367,10 @@ var (
 			Description: "Use Elasticsearch as backend data source",
 			State:       FeatureStateAlpha,
 		},
+		{
+			Name:        "authnService",
+			Description: "Use new auth service to perform authentication",
+			State:       FeatureStateAlpha,
+		},
 	}
 )

pkg/services/featuremgmt/toggles_gen.go

@@ -270,4 +270,8 @@ const (
 	// FlagElasticsearchBackendMigration
 	// Use Elasticsearch as backend data source
 	FlagElasticsearchBackendMigration = "elasticsearchBackendMigration"
+
+	// FlagAuthnService
+	// Use new auth service to perform authentication
+	FlagAuthnService = "authnService"
 )