K8s/FeatureFlags: Add an apiserver to manage feature flags (dev only) (#80501)

* add deployment registry API cloud only

* update versions

* add feature flag endpoints

* use helpers

* merge main

* update AllowSelfServie and re-run code gen

* fix package name

* add allowselfserve flag to payload

* remove config

* update list api to return the full registry including states

* change enabled check

* fix compile error

* add feature toggle and split path in frontend

* changes

* with status

* add more status/state

* add back config thing

* add back config thing

* merge main

* merge main

* now on the /current api endpoint

* now on the /current api endpoint

* drop frontend changes

* change group name to featuretoggle (singular)

* use the same settings

* now with patch

* more common refs

* more common refs

* WIP actually do the webhook

* fix comment

* fewer imports

* registe standalone

* one less file

* fix singular name

---------

Co-authored-by: Michael Mandrus <michael.mandrus@grafana.com>

pkg/api/featuremgmt_test.go

@@ -393,9 +393,8 @@ func runGetScenario(
 ) []featuremgmt.FeatureToggleDTO {
 	// Set up server and send request
 	cfg := setting.NewCfg()
-	cfg.FeatureManagement = settings
 
-	fm := featuremgmt.WithFeatureManager(append([]*featuremgmt.FeatureFlag{{
+	fm := featuremgmt.WithFeatureManager(settings, append([]*featuremgmt.FeatureFlag{{
 		Name:  featuremgmt.FlagFeatureToggleAdminPage,
 		Stage: featuremgmt.FeatureStageGeneralAvailability,
 	}}, features...), disabled...)
@@ -460,9 +459,7 @@ func runSetScenario(
 ) *http.Response {
 	// Set up server and send request
 	cfg := setting.NewCfg()
-	cfg.FeatureManagement = settings
-
-	features := featuremgmt.WithFeatureManager(append([]*featuremgmt.FeatureFlag{{
+	features := featuremgmt.WithFeatureManager(settings, append([]*featuremgmt.FeatureFlag{{
 		Name:  featuremgmt.FlagFeatureToggleAdminPage,
 		Stage: featuremgmt.FeatureStageGeneralAvailability,
 	}}, serverFeatures...), disabled...)