support option for adding managed-by label

api/krusty/managedbylabel_test.go

@@ -0,0 +1,43 @@
+// Copyright 2020 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package krusty_test
+
+import (
+	"testing"
+
+	kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
+)
+
+func TestAddManagedbyLabel(t *testing.T) {
+	th := kusttest_test.MakeHarness(t)
+	th.WriteF("/app/service.yaml", `
+apiVersion: v1
+kind: Service
+metadata:
+  name: myService
+spec:
+  ports:
+  - port: 7002
+`)
+	th.WriteK("/app", `
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+- service.yaml
+`)
+	options := th.MakeDefaultOptions()
+	options.AddManagedbyLabel = true
+	m := th.Run("/app", options)
+	th.AssertActualEqualsExpected(m, `
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app.kubernetes.io/managed-by: kustomize-v444.333.222
+  name: myService
+spec:
+  ports:
+  - port: 7002
+`)
+}