Add labels field to kustomization

api/types/labels.go

@@ -0,0 +1,25 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package types
+
+type Label struct {
+	// Pairs contains the key-value pairs for labels to add
+	Pairs map[string]string `json:"pairs,omitempty" yaml:"pairs,omitempty"`
+	// IncludeSelectors inidicates should transformer include the
+	// fieldSpecs for selectors. Custom fieldSpecs specified by
+	// FieldSpecs will be merged with builtin fieldSpecs if this
+	// is true.
+	IncludeSelectors bool        `json:"includeSelectors,omitempty" yaml:"includeSelectors,omitempty"`
+	FieldSpecs       []FieldSpec `json:"fields,omitempty" yaml:"fields,omitempty"`
+}
+
+func labelFromCommonLabels(commonLabels map[string]string) *Label {
+	if len(commonLabels) == 0 {
+		return nil
+	}
+	return &Label{
+		Pairs:            commonLabels,
+		IncludeSelectors: true,
+	}
+}