Grafana Indexing PoC: Adds feature flag and gRPC endpoint (#93356)

* adds Filter gRPC and make protobuf

* adds route for querying the filter gRPC

* wires up Filter gRPC call

* [WIP] index from start

* renames gRPC endpoint to "Search"

* adds /apis/search route into k8s routes. Hacky for now.

* updates readme - wrong casing

* adds feature toggle for unified storage search

* hides US search behind feature flag. Clean up print statements.

* removes indexer - will be added in another PR

* Search: Add API Builder

* adds required method

* implementing UpdateAPIGroupInfo (WIP)

* adds groupversion

* commenting out for now

* remove unneeded code from experimenting and update register.go to match interface required

* namespaces search route

---------

Co-authored-by: leonorfmartins <leonorfmartins@gmail.com>
Co-authored-by: Todd Treece <todd.treece@grafana.com>

pkg/services/featuremgmt/registry.go

@@ -1497,6 +1497,14 @@ var (
 			Stage:       FeatureStageExperimental,
 			Owner:       identityAccessTeam,
 		},
+		{
+			Name:              "unifiedStorageSearch",
+			Description:       "Enable unified storage search",
+			Stage:             FeatureStageExperimental,
+			Owner:             grafanaSearchAndStorageSquad,
+			HideFromDocs:      true,
+			HideFromAdminPage: true,
+		},
 	}
 )
 

pkg/services/featuremgmt/toggles_gen.csv

@@ -198,3 +198,4 @@ alertingQueryAndExpressionsStepMode,experimental,@grafana/alerting-squad,false,f
 improvedExternalSessionHandling,experimental,@grafana/identity-access-team,false,false,false
 useSessionStorageForRedirection,preview,@grafana/identity-access-team,false,false,false
 rolePickerDrawer,experimental,@grafana/identity-access-team,false,false,false
+unifiedStorageSearch,experimental,@grafana/search-and-storage,false,false,false

pkg/services/featuremgmt/toggles_gen.go

@@ -802,4 +802,8 @@ const (
 	// FlagRolePickerDrawer
 	// Enables the new role picker drawer design
 	FlagRolePickerDrawer = "rolePickerDrawer"
+
+	// FlagUnifiedStorageSearch
+	// Enable unified storage search
+	FlagUnifiedStorageSearch = "unifiedStorageSearch"
 )

pkg/services/featuremgmt/toggles_gen.json

@@ -3024,6 +3024,20 @@
         "codeowner": "@grafana/identity-access-team"
       }
     },
+    {
+      "metadata": {
+        "name": "unifiedStorageSearch",
+        "resourceVersion": "1726771421439",
+        "creationTimestamp": "2024-09-19T18:43:41Z"
+      },
+      "spec": {
+        "description": "Enable unified storage search",
+        "stage": "experimental",
+        "codeowner": "@grafana/search-and-storage",
+        "hideFromAdminPage": true,
+        "hideFromDocs": true
+      }
+    },
     {
       "metadata": {
         "name": "vizActions",
@@ -3078,4 +3092,4 @@
       }
     }
   ]
-}
+}