sigs.k8s.io/kubebuilder/v3@v3.14.0/pkg/plugins/common/kustomize/v2/scaffolds/internal/templates/config/webhook/service.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 = &Service{}
    26  
    27  // Service scaffolds a file that defines the webhook service
    28  type Service struct {
    29  	machinery.TemplateMixin
    30  	machinery.ProjectNameMixin
    31  }
    32  
    33  // SetTemplateDefaults implements file.Template
    34  func (f *Service) SetTemplateDefaults() error {
    35  	if f.Path == "" {
    36  		f.Path = filepath.Join("config", "webhook", "service.yaml")
    37  	}
    38  
    39  	f.TemplateBody = serviceTemplate
    40  
    41  	// If file exists (ex. because a webhook was already created), skip creation.
    42  	f.IfExistsAction = machinery.SkipFile
    43  
    44  	return nil
    45  }
    46  
    47  const serviceTemplate = `apiVersion: v1
    48  kind: Service
    49  metadata:
    50    labels:
    51      app.kubernetes.io/name: service
    52      app.kubernetes.io/instance: webhook-service
    53      app.kubernetes.io/component: webhook
    54      app.kubernetes.io/created-by: {{ .ProjectName }}
    55      app.kubernetes.io/part-of: {{ .ProjectName }}
    56      app.kubernetes.io/managed-by: kustomize
    57    name: webhook-service
    58    namespace: system
    59  spec:
    60    ports:
    61      - port: 443
    62        protocol: TCP
    63        targetPort: 9443
    64    selector:
    65      control-plane: controller-manager
    66  `