Revert "Revert: DataSource: Support config CRUD from apiservers (#106996) (#110342)"

This reverts commit 72eeefabd7.

pkg/registry/apis/datasource/noop.go

@@ -0,0 +1,42 @@
+package datasource
+
+import (
+	"context"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apiserver/pkg/registry/rest"
+
+	query "github.com/grafana/grafana/pkg/apis/query/v0alpha1"
+)
+
+// Temporary noop storage that lets us map /connections/{name}/query
+type noopREST struct{}
+
+var (
+	_ rest.Storage              = (*noopREST)(nil)
+	_ rest.Scoper               = (*noopREST)(nil)
+	_ rest.Getter               = (*noopREST)(nil)
+	_ rest.SingularNameProvider = (*noopREST)(nil)
+)
+
+func (r *noopREST) New() runtime.Object {
+	return &query.QueryDataResponse{}
+}
+
+func (r *noopREST) Destroy() {}
+
+func (r *noopREST) NamespaceScoped() bool {
+	return true
+}
+
+func (r *noopREST) GetSingularName() string {
+	return "noop"
+}
+
+func (r *noopREST) Get(ctx context.Context, name string, options *metav1.GetOptions) (runtime.Object, error) {
+	return &metav1.Status{
+		Status:  metav1.StatusSuccess,
+		Message: "noop",
+	}, nil
+}