Fix the CRD kustomization path logic to ensure webhook patches are generated exclusively for resources that are configured with webhooks

Author: camilamacedo86

docs/book/src/component-config-tutorial/testdata/project/config/crd/kustomization.yaml

@@ -8,7 +8,6 @@ resources:
 patches:
 # [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix.
 # patches here are for enabling the conversion webhook for each CRD
-#- path: patches/webhook_in_projectconfigs.yaml
 #+kubebuilder:scaffold:crdkustomizewebhookpatch
 
 # [CERTMANAGER] To enable cert-manager, uncomment all the sections with [CERTMANAGER] prefix.

docs/book/src/getting-started/testdata/project/config/crd/kustomization.yaml

@@ -8,7 +8,6 @@ resources:
 patches:
 # [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix.
 # patches here are for enabling the conversion webhook for each CRD
-#- path: patches/webhook_in_memcacheds.yaml
 #+kubebuilder:scaffold:crdkustomizewebhookpatch
 
 # [CERTMANAGER] To enable cert-manager, uncomment all the sections with [CERTMANAGER] prefix.

pkg/plugins/common/kustomize/v2/scaffolds/internal/templates/config/crd/kustomization.go

@@ -88,9 +88,11 @@ func (f *Kustomization) GetCodeFragments() machinery.CodeFragmentsMap {
 	if f.MultiGroup && f.Resource.Group != "" {
 		suffix = f.Resource.Group + "_" + f.Resource.Plural
 	}
-	// Generate resource code fragments
-	webhookPatch := make([]string, 0)
-	webhookPatch = append(webhookPatch, fmt.Sprintf(webhookPatchCodeFragment, suffix))
+
+	if !f.Resource.Webhooks.IsEmpty() {
+		webhookPatch := fmt.Sprintf(webhookPatchCodeFragment, suffix)
+		fragments[machinery.NewMarkerFor(f.Path, webhookPatchMarker)] = []string{webhookPatch}
+	}
 
 	// Generate resource code fragments
 	caInjectionPatch := make([]string, 0)
@@ -100,9 +102,7 @@ func (f *Kustomization) GetCodeFragments() machinery.CodeFragmentsMap {
 	if len(res) != 0 {
 		fragments[machinery.NewMarkerFor(f.Path, resourceMarker)] = res
 	}
-	if len(webhookPatch) != 0 {
-		fragments[machinery.NewMarkerFor(f.Path, webhookPatchMarker)] = webhookPatch
-	}
+
 	if len(caInjectionPatch) != 0 {
 		fragments[machinery.NewMarkerFor(f.Path, caInjectionPatchMarker)] = caInjectionPatch
 	}

pkg/plugins/common/kustomize/v2/scaffolds/webhook.go

@@ -21,6 +21,7 @@ import (
 
 	log "github.com/sirupsen/logrus"
 	pluginutil "sigs.k8s.io/kubebuilder/v3/pkg/plugin/util"
+	"sigs.k8s.io/kubebuilder/v3/pkg/plugins/common/kustomize/v2/scaffolds/internal/templates/config/crd"
 	"sigs.k8s.io/kubebuilder/v3/pkg/plugins/common/kustomize/v2/scaffolds/internal/templates/config/crd/patches"
 
 	"sigs.k8s.io/kubebuilder/v3/pkg/config"
@@ -82,6 +83,7 @@ func (s *webhookScaffolder) Scaffold() error {
 		&certmanager.KustomizeConfig{},
 		&patches.EnableWebhookPatch{},
 		&patches.EnableCAInjectionPatch{},
+		&crd.Kustomization{},
 	); err != nil {
 		return fmt.Errorf("error scaffolding kustomize webhook manifests: %v", err)
 	}

test/testdata/generate.sh

@@ -116,12 +116,7 @@ function scaffold_test_project {
   fi
 
   make generate manifests
-  # TODO fix the error with multigroup layout and allow it be generated
-  # with this one.
-  # Error: trouble configuring builtin PatchTransformer with config: `
-  # path: patches/webhook_in_sea-creatures_krakens.yaml
-  # `: failed to get the patch file from path(patches/webhook_in_sea-creatures_krakens.yaml): evalsymlink failure on '/Users/camiladeomacedo/go/src/sigs.k8s.io/kubebuilder/testdata/project-v4-multigroup/config/crd/patches/webhook_in_sea-creatures_krakens.yaml' : lstat go/src/sigs.k8s.io/kubebuilder/testdata/project-v4-multigroup/config/crd/patches/webhook_in_sea-creatures_krakens.yaml: no such file or directory
-  if [[ $project =~ v4 && ! $project =~ multigroup ]]; then
+  if [[ $project =~ v4 ]]; then
     make build-installer
   fi
 

testdata/project-v4-multigroup-with-deploy-image/config/crd/kustomization.yaml

@@ -21,12 +21,7 @@ patches:
 - path: patches/webhook_in_ship_frigates.yaml
 - path: patches/webhook_in_ship_destroyers.yaml
 - path: patches/webhook_in_ship_cruisers.yaml
-- path: patches/webhook_in_sea-creatures_krakens.yaml
-#- path: patches/webhook_in_sea-creatures_leviathans.yaml
-#- path: patches/webhook_in_foo.policy_healthcheckpolicies.yaml
-#- path: patches/webhook_in_foo_bars.yaml
-#- path: patches/webhook_in_fiz_bars.yaml
-#- path: patches/webhook_in_lakers.yaml
+- path: patches/webhook_in_lakers.yaml
 #+kubebuilder:scaffold:crdkustomizewebhookpatch
 
 # [CERTMANAGER] To enable cert-manager, uncomment all the sections with [CERTMANAGER] prefix.

testdata/project-v4-multigroup-with-deploy-image/config/manager/kustomization.yaml

@@ -1,2 +1,8 @@
 resources:
 - manager.yaml
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+images:
+- name: controller
+  newName: controller
+  newTag: latest