From ae7ff36f1b48312b3ce21a7fec64ab86a75cd75c Mon Sep 17 00:00:00 2001
From: Thomas Guettler <thomas.guettler@syself.com>
Date: Mon, 25 Nov 2024 08:44:36 +0100
Subject: [PATCH] Better error message on undefined loader behavior.

---
 api/internal/plugins/loader/loader.go | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/api/internal/plugins/loader/loader.go b/api/internal/plugins/loader/loader.go
index e494df767e..2edf8791ff 100644
--- a/api/internal/plugins/loader/loader.go
+++ b/api/internal/plugins/loader/loader.go
@@ -34,7 +34,8 @@ type Loader struct {
 }
 
 func NewLoader(
-	pc *types.PluginConfig, rf *resmap.Factory, fs filesys.FileSystem) *Loader {
+	pc *types.PluginConfig, rf *resmap.Factory, fs filesys.FileSystem,
+) *Loader {
 	return &Loader{pc: pc, rf: rf, fs: fs}
 }
 
@@ -58,7 +59,8 @@ func (l *Loader) Config() *types.PluginConfig {
 
 func (l *Loader) LoadGenerators(
 	ldr ifc.Loader, v ifc.Validator, rm resmap.ResMap) (
-	result []*resmap.GeneratorWithProperties, err error) {
+	result []*resmap.GeneratorWithProperties, err error,
+) {
 	for _, res := range rm.Resources() {
 		g, err := l.LoadGenerator(ldr, v, res)
 		if err != nil {
@@ -74,7 +76,8 @@ func (l *Loader) LoadGenerators(
 }
 
 func (l *Loader) LoadGenerator(
-	ldr ifc.Loader, v ifc.Validator, res *resource.Resource) (resmap.Generator, error) {
+	ldr ifc.Loader, v ifc.Validator, res *resource.Resource,
+) (resmap.Generator, error) {
 	c, err := l.loadAndConfigurePlugin(ldr, v, res)
 	if err != nil {
 		return nil, err
@@ -87,7 +90,8 @@ func (l *Loader) LoadGenerator(
 }
 
 func (l *Loader) LoadTransformers(
-	ldr ifc.Loader, v ifc.Validator, rm resmap.ResMap) ([]*resmap.TransformerWithProperties, error) {
+	ldr ifc.Loader, v ifc.Validator, rm resmap.ResMap,
+) ([]*resmap.TransformerWithProperties, error) {
 	var result []*resmap.TransformerWithProperties
 	for _, res := range rm.Resources() {
 		t, err := l.LoadTransformer(ldr, v, res)
@@ -104,7 +108,8 @@ func (l *Loader) LoadTransformers(
 }
 
 func (l *Loader) LoadTransformer(
-	ldr ifc.Loader, v ifc.Validator, res *resource.Resource) (*resmap.TransformerWithProperties, error) {
+	ldr ifc.Loader, v ifc.Validator, res *resource.Resource,
+) (*resmap.TransformerWithProperties, error) {
 	c, err := l.loadAndConfigurePlugin(ldr, v, res)
 	if err != nil {
 		return nil, err
@@ -179,7 +184,8 @@ func isBuiltinPlugin(res *resource.Resource) bool {
 func (l *Loader) loadAndConfigurePlugin(
 	ldr ifc.Loader,
 	v ifc.Validator,
-	res *resource.Resource) (c resmap.Configurable, err error) {
+	res *resource.Resource,
+) (c resmap.Configurable, err error) {
 	if isBuiltinPlugin(res) {
 		switch l.pc.BpLoadingOptions {
 		case types.BploLoadFromFileSys:
@@ -192,7 +198,7 @@ func (l *Loader) loadAndConfigurePlugin(
 			c, err = l.makeBuiltinPlugin(res.GetGvk())
 		default:
 			err = fmt.Errorf(
-				"unknown plugin loader behavior specified: %v",
+				"unknown plugin loader behavior specified: %s %v", res.GetGvk().String(),
 				l.pc.BpLoadingOptions)
 		}
 	} else {
@@ -282,4 +288,3 @@ func (l *Loader) loadExecOrGoPlugin(resId resid.ResId) (resmap.Configurable, err
 	}
 	return c, nil
 }
-