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crd.go
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crd.go
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/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package resource
import (
"fmt"
"path/filepath"
"strings"
"github.com/markbates/inflect"
"sigs.k8s.io/kubebuilder/pkg/scaffold/input"
)
var _ input.File = &CRD{}
// CRD scaffolds a CRD yaml file.
type CRD struct {
input.Input
// Scope is Namespaced or Cluster
Scope string
// Plural is the plural lowercase of kind
Plural string
// Resource is a resource in the API group
Resource *Resource
}
// GetInput implements input.File
func (c *CRD) GetInput() (input.Input, error) {
if c.Path == "" {
c.Path = filepath.Join("config", "crds", fmt.Sprintf(
"%s_%s_%s.yaml", c.Resource.Group, c.Resource.Version, strings.ToLower(c.Resource.Kind)))
}
c.Scope = "Namespaced"
if !c.Resource.Namespaced {
c.Scope = "Cluster"
}
if c.Plural == "" {
c.Plural = strings.ToLower(inflect.Pluralize(c.Resource.Kind))
}
c.IfExistsAction = input.Error
c.TemplateBody = crdTemplate
return c.Input, nil
}
var crdTemplate = `apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
labels:
controller-tools.k8s.io: "1.0"
name: {{ .Plural }}.{{ .Resource.Group }}.{{ .Domain }}
spec:
group: {{ .Resource.Group }}.{{ .Domain }}
version: "{{ .Resource.Version }}"
names:
kind: {{ .Resource.Kind }}
plural: {{ .Plural }}
scope: {{ .Scope }}
`