kilo/vendor/github.com/ant31/crd-validation/pkg/crdvalidation.go

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2019-05-03 10:50:21 +00:00
package crdvalidation
import (
spec "github.com/go-openapi/spec"
extensionsobj "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
common "k8s.io/kube-openapi/pkg/common"
)
// CustomResourceDefinitionTypeMeta set the default kind/apiversion of CRD
var CustomResourceDefinitionTypeMeta = metav1.TypeMeta{
Kind: "CustomResourceDefinition",
APIVersion: "apiextensions.k8s.io/v1beta1",
}
// OpenAPIRefCallBack returns a jsonref using the input string without modification
func OpenAPIRefCallBack(name string) spec.Ref {
return spec.MustCreateRef(name)
}
// GetAPIDefinition is a function returning a map with all Definition
type GetAPIDefinitions func(ref common.ReferenceCallback) map[string]common.OpenAPIDefinition
// GetCustomResourceValidations returns a CRD validation spec map. It took the openapi generated definition from kube-openapi as argument
func GetCustomResourceValidations(fn GetAPIDefinitions) map[string]*extensionsobj.CustomResourceValidation {
openapiSpec := fn(OpenAPIRefCallBack)
var definitions map[string]*extensionsobj.CustomResourceValidation
definitions = make(map[string]*extensionsobj.CustomResourceValidation)
for key, definition := range openapiSpec {
schema := definition.Schema
definitions[key] = &extensionsobj.CustomResourceValidation{
OpenAPIV3Schema: SchemaPropsToJSONProps(&schema, openapiSpec, true),
}
}
return definitions
}
// GetCustomResourceValidation returns the validation definition for a CRD name
func GetCustomResourceValidation(name string, fn func(ref common.ReferenceCallback) map[string]common.OpenAPIDefinition) *extensionsobj.CustomResourceValidation {
openapiSpec := fn(OpenAPIRefCallBack)
fixKnownTypes(openapiSpec)
schema := openapiSpec[name].Schema
crv := &extensionsobj.CustomResourceValidation{
OpenAPIV3Schema: SchemaPropsToJSONProps(&schema, openapiSpec, true),
}
crv.OpenAPIV3Schema.Description = ""
crv.OpenAPIV3Schema.Required = nil
return crv
}
// ref: https://github.com/kubernetes/kubernetes/issues/62329
func fixKnownTypes(openapiSpec map[string]common.OpenAPIDefinition) {
openapiSpec["k8s.io/apimachinery/pkg/util/intstr.IntOrString"] = common.OpenAPIDefinition{
Schema: spec.Schema{
SchemaProps: spec.SchemaProps{
AnyOf: []spec.Schema{
{
SchemaProps: spec.SchemaProps{
Type: []string{"string"},
},
},
{
SchemaProps: spec.SchemaProps{
Type: []string{"integer"},
},
},
},
},
},
}
}