73 lines
2.5 KiB
Go
73 lines
2.5 KiB
Go
package crdvalidation
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import (
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spec "github.com/go-openapi/spec"
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extensionsobj "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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common "k8s.io/kube-openapi/pkg/common"
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)
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// CustomResourceDefinitionTypeMeta set the default kind/apiversion of CRD
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var CustomResourceDefinitionTypeMeta = metav1.TypeMeta{
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Kind: "CustomResourceDefinition",
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APIVersion: "apiextensions.k8s.io/v1beta1",
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}
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// OpenAPIRefCallBack returns a jsonref using the input string without modification
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func OpenAPIRefCallBack(name string) spec.Ref {
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return spec.MustCreateRef(name)
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}
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// GetAPIDefinition is a function returning a map with all Definition
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type GetAPIDefinitions func(ref common.ReferenceCallback) map[string]common.OpenAPIDefinition
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// GetCustomResourceValidations returns a CRD validation spec map. It took the openapi generated definition from kube-openapi as argument
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func GetCustomResourceValidations(fn GetAPIDefinitions) map[string]*extensionsobj.CustomResourceValidation {
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openapiSpec := fn(OpenAPIRefCallBack)
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var definitions map[string]*extensionsobj.CustomResourceValidation
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definitions = make(map[string]*extensionsobj.CustomResourceValidation)
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for key, definition := range openapiSpec {
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schema := definition.Schema
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definitions[key] = &extensionsobj.CustomResourceValidation{
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OpenAPIV3Schema: SchemaPropsToJSONProps(&schema, openapiSpec, true),
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}
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}
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return definitions
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}
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// GetCustomResourceValidation returns the validation definition for a CRD name
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func GetCustomResourceValidation(name string, fn func(ref common.ReferenceCallback) map[string]common.OpenAPIDefinition) *extensionsobj.CustomResourceValidation {
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openapiSpec := fn(OpenAPIRefCallBack)
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fixKnownTypes(openapiSpec)
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schema := openapiSpec[name].Schema
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crv := &extensionsobj.CustomResourceValidation{
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OpenAPIV3Schema: SchemaPropsToJSONProps(&schema, openapiSpec, true),
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}
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crv.OpenAPIV3Schema.Description = ""
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crv.OpenAPIV3Schema.Required = nil
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return crv
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}
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// ref: https://github.com/kubernetes/kubernetes/issues/62329
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func fixKnownTypes(openapiSpec map[string]common.OpenAPIDefinition) {
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openapiSpec["k8s.io/apimachinery/pkg/util/intstr.IntOrString"] = common.OpenAPIDefinition{
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Schema: spec.Schema{
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SchemaProps: spec.SchemaProps{
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AnyOf: []spec.Schema{
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{
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SchemaProps: spec.SchemaProps{
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Type: []string{"string"},
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},
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},
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{
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SchemaProps: spec.SchemaProps{
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Type: []string{"integer"},
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},
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},
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},
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},
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},
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}
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}
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