Add ["ff:metadata"] check in kubernetes_labels to prevent crash w…

…ith `kubernetes_node_taints` (#2246)

* use read function for labels to grab exact Object fields

* remove apply logic fixes

* add changelog-entry

* Update .changelog/2246.txt

Co-authored-by: John Houston <jrhouston@users.noreply.github.com>

---------

Co-authored-by: John Houston <jrhouston@users.noreply.github.com>

.changelog/2246.txt

@@ -0,0 +1,3 @@
+```release-note:bug
+`resource/kubernetes_labels`: Add ["f:metadata"] check in kubernetes_labels to prevent crash with kubernetes_node_taints
+```

kubernetes/resource_kubernetes_labels.go

@@ -179,10 +179,12 @@ func getManagedLabels(managedFields []v1.ManagedFieldsEntry, manager string) (ma
 		if err != nil {
 			return nil, err
 		}
-		metadata := mm["f:metadata"].(map[string]interface{})
-		if l, ok := metadata["f:labels"].(map[string]interface{}); ok {
-			labels = l
+		if fm, ok := mm["f:metadata"].(map[string]interface{}); ok {
+			if l, ok := fm["f:labels"].(map[string]interface{}); ok {
+				labels = l
+			}
 		}
+
 	}
 	return labels, nil
 }
@@ -249,6 +251,7 @@ func resourceKubernetesLabelsUpdate(ctx context.Context, d *schema.ResourceData,
 		// with an empty labels map
 		labels = map[string]interface{}{}
 	}
+
 	patchmeta := map[string]interface{}{
 		"name":   name,
 		"labels": labels,

kubernetes/resource_kubernetes_node_taint.go

@@ -162,6 +162,7 @@ func resourceKubernetesNodeTaintUpdate(ctx context.Context, d *schema.ResourceDa
 			"taints": taints,
 		},
 	}
+
 	patch := unstructured.Unstructured{
 		Object: patchObj,
 	}