no update (secret)

internal/handler/handler.go

@@ -4,11 +4,14 @@ import (
 	"context"
 
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 )
 
 type KubernetesClient interface {
 	Apply(ctx context.Context, obj client.Object) error
+	Create(ctx context.Context, obj client.Object) error
+	Get(ctx context.Context, obj client.Object) (*unstructured.Unstructured, error)
 	Delete(ctx context.Context, obj client.Object, opts DeleteOptions) error
 }
 

internal/handler/kubernetes.go

@@ -2,7 +2,9 @@ package handler
 
 import (
 	"context"
+	"log"
 
+	"k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 )
@@ -23,6 +25,20 @@ func (k *KubernetesHandler) Append(obj client.Object) {
 	k.objs = append(k.objs, obj)
 }
 
+// CreateAll creates the given objects (AlreadyExists errors are ignored)
+func (k *KubernetesHandler) CreateAll(ctx context.Context) error {
+	for _, obj := range k.objs {
+		err := k.client.Create(ctx, obj)
+		if err != nil {
+			if !errors.IsAlreadyExists(err) {
+				return err
+			}
+			log.Printf("resource %s/%s already exists. skipped to create \n", obj.GetNamespace(), obj.GetName())
+		}
+	}
+	return nil
+}
+
 func (k *KubernetesHandler) ApplyAll(ctx context.Context) error {
 	for _, obj := range k.objs {
 		err := k.client.Apply(ctx, obj)