layer1: factor executor namespace registration step 24

pkg/executor/multitenant/ns_watcher.go

@@ -61,6 +61,7 @@ package multitenant
 
 import (
 	"context"
+	"errors"
 	"time"
 
 	"go.uber.org/zap"
@@ -156,6 +157,18 @@ func registerNamespace(
 	utils.DefaultNSResolver().AddNamespace(ns)
 	// Ensure fission-fetcher SA exists in the new namespace so pool pods can start.
 	utils.EnsureNamespaceSA(ctx, kubernetesClient, logger, ns)
+	registerExecutorTypes(ctx, logger, ns, executorTypes, mgr)
+	logger.Info("multitenant.NSWatcher: registered namespace", zap.String("namespace", ns))
+}
+
+func registerExecutorTypes(
+	ctx context.Context,
+	logger *zap.Logger,
+	ns string,
+	executorTypes map[fv1.ExecutorType]executortype.ExecutorType,
+	mgr manager.Interface,
+) error {
+	var joinErr error
 
 	for _, et := range executorTypes {
 		if err := et.AddNamespace(ctx, ns, mgr); err != nil {
@@ -163,9 +176,10 @@ func registerNamespace(
 				zap.String("namespace", ns),
 				zap.Error(err),
 			)
+			joinErr = errors.Join(joinErr, err)
 		}
 	}
-	logger.Info("multitenant.NSWatcher: registered namespace", zap.String("namespace", ns))
+	return joinErr
 }
 
 // namespaceName extracts the namespace name from an informer event object.