Auth: Implement reload function for LDAP (#89267)

* keep config in a separate struct in LDAP

* implement reload function for LDAP

* remove param from sso service constructor

* update unit tests

* add feature flag

* remove nil params

* address feedback

* add unit test for disabled config

pkg/services/featuremgmt/registry.go

@@ -1323,6 +1323,14 @@ var (
 			Stage:       FeatureStagePublicPreview,
 			Owner:       awsDatasourcesSquad,
 		},
+		{
+			Name:              "ssoSettingsLDAP",
+			Description:       "Use the new SSO Settings API to configure LDAP",
+			Stage:             FeatureStageExperimental,
+			Owner:             identityAccessTeam,
+			HideFromDocs:      true,
+			HideFromAdminPage: true,
+		},
 	}
 )
 

pkg/services/featuremgmt/toggles_gen.csv

@@ -176,3 +176,4 @@ azureMonitorPrometheusExemplars,experimental,@grafana/partner-datasources,false,
 pinNavItems,experimental,@grafana/grafana-frontend-platform,false,false,false
 authZGRPCServer,experimental,@grafana/identity-access-team,false,false,false
 openSearchBackendFlowEnabled,preview,@grafana/aws-datasources,false,false,false
+ssoSettingsLDAP,experimental,@grafana/identity-access-team,false,false,false

pkg/services/featuremgmt/toggles_gen.go

@@ -714,4 +714,8 @@ const (
 	// FlagOpenSearchBackendFlowEnabled
 	// Enables the backend query flow for Open Search datasource plugin
 	FlagOpenSearchBackendFlowEnabled = "openSearchBackendFlowEnabled"
+
+	// FlagSsoSettingsLDAP
+	// Use the new SSO Settings API to configure LDAP
+	FlagSsoSettingsLDAP = "ssoSettingsLDAP"
 )

pkg/services/featuremgmt/toggles_gen.json

@@ -2126,6 +2126,20 @@
         "allowSelfServe": true
       }
     },
+    {
+      "metadata": {
+        "name": "ssoSettingsLDAP",
+        "resourceVersion": "1718624569822",
+        "creationTimestamp": "2024-06-17T11:42:49Z"
+      },
+      "spec": {
+        "description": "Use the new SSO Settings API to configure LDAP",
+        "stage": "experimental",
+        "codeowner": "@grafana/identity-access-team",
+        "hideFromAdminPage": true,
+        "hideFromDocs": true
+      }
+    },
     {
       "metadata": {
         "name": "ssoSettingsSAML",