sigs.k8s.io/kubebuilder/v3@v3.14.0/pkg/plugins/common/kustomize/v1/scaffolds/internal/templates/config/webhook/kustomizeconfig.go (about)

     1  /*
     2  Copyright 2020 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package webhook
    18  
    19  import (
    20  	"path/filepath"
    21  
    22  	"sigs.k8s.io/kubebuilder/v3/pkg/machinery"
    23  )
    24  
    25  var _ machinery.Template = &KustomizeConfig{}
    26  
    27  // KustomizeConfig scaffolds a file that configures the kustomization for the webhook folder
    28  type KustomizeConfig struct {
    29  	machinery.TemplateMixin
    30  }
    31  
    32  // SetTemplateDefaults implements file.Template
    33  func (f *KustomizeConfig) SetTemplateDefaults() error {
    34  	if f.Path == "" {
    35  		f.Path = filepath.Join("config", "webhook", "kustomizeconfig.yaml")
    36  	}
    37  
    38  	f.TemplateBody = kustomizeConfigWebhookTemplate
    39  
    40  	// If file exists (ex. because a webhook was already created), skip creation.
    41  	f.IfExistsAction = machinery.SkipFile
    42  
    43  	return nil
    44  }
    45  
    46  //nolint:lll
    47  const kustomizeConfigWebhookTemplate = `# the following config is for teaching kustomize where to look at when substituting vars.
    48  # It requires kustomize v2.1.0 or newer to work properly.
    49  nameReference:
    50  - kind: Service
    51    version: v1
    52    fieldSpecs:
    53    - kind: MutatingWebhookConfiguration
    54      group: admissionregistration.k8s.io
    55      path: webhooks/clientConfig/service/name
    56    - kind: ValidatingWebhookConfiguration
    57      group: admissionregistration.k8s.io
    58      path: webhooks/clientConfig/service/name
    59  
    60  namespace:
    61  - kind: MutatingWebhookConfiguration
    62    group: admissionregistration.k8s.io
    63    path: webhooks/clientConfig/service/namespace
    64    create: true
    65  - kind: ValidatingWebhookConfiguration
    66    group: admissionregistration.k8s.io
    67    path: webhooks/clientConfig/service/namespace
    68    create: true
    69  
    70  varReference:
    71  - path: metadata/annotations
    72  `