Add annotation transformer.

pkg/target/kusttarget.go

@@ -343,23 +343,17 @@ func (kt *KustTarget) newTransformer(
 	r = append(r, t)
 	r = append(r, transformers.NewNamespaceTransformer(
 		string(kt.kustomization.Namespace), tConfig.NameSpace))
-	t, err = transformers.NewAnnotationsMapTransformer(
-		kt.kustomization.CommonAnnotations, tConfig.CommonAnnotations)
+	lts, err := kt.configureBuiltinTransformers(tConfig)
 	if err != nil {
 		return nil, err
 	}
-	r = append(r, t)
+	r = append(r, lts...)
 	t, err = patchtransformer.NewPatchJson6902Factory(kt.ldr).
 		MakePatchJson6902Transformer(kt.kustomization.PatchesJson6902)
 	if err != nil {
 		return nil, err
 	}
 	r = append(r, t)
-	lts, err := kt.configureBuiltinTransformers(tConfig)
-	if err != nil {
-		return nil, err
-	}
-	r = append(r, lts...)
 	tp, err := kt.loadTransformerPlugins()
 	if err != nil {
 		return nil, err

pkg/target/kusttarget_configplugin.go

@@ -63,11 +63,11 @@ func (kt *KustTarget) configureBuiltinTransformers(
 	//   with tests:
 	//   patch SMP
 	//   patch JSON
-	//   annos
 	configurators := []transformerConfigurator{
 		kt.configureBuiltinNameTransformer,
 		kt.configureBuiltinImageTagTransformer,
 		kt.configureBuiltinLabelTransformer,
+		kt.configureBuiltinAnnotationsTransformer,
 	}
 	var result []transformers.Transformer
 	for _, f := range configurators {
@@ -140,6 +140,24 @@ func (kt *KustTarget) configureBuiltinLabelTransformer(
 	return
 }
 
+func (kt *KustTarget) configureBuiltinAnnotationsTransformer(
+	tConfig *config.TransformerConfig) (
+	result []transformers.Transformer, err error) {
+	var c struct {
+		Annotations map[string]string
+		FieldSpecs  []config.FieldSpec
+	}
+	c.Annotations = kt.kustomization.CommonAnnotations
+	c.FieldSpecs = tConfig.CommonAnnotations
+	p := builtin.NewAnnotationsTransformerPlugin()
+	err = kt.configureBuiltinPlugin(p, c, "annotations")
+	if err != nil {
+		return nil, err
+	}
+	result = append(result, p)
+	return
+}
+
 func (kt *KustTarget) configureBuiltinNameTransformer(
 	tConfig *config.TransformerConfig) (
 	result []transformers.Transformer, err error) {