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apiextensions: prune all GVKs in serializer

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This commit is contained in:
Dr. Stefan Schimanski 2019-05-24 18:01:31 +02:00
parent ee4f1847f5
commit d87de1a903
1 changed files with 27 additions and 18 deletions
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45
staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/customresource_handler.go
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@ -493,6 +493,23 @@ func (r *crdHandler) getOrCreateServingInfoFor(crd *apiextensions.CustomResource
statusScopes := map[string]*handlers.RequestScope{}
scaleScopes := map[string]*handlers.RequestScope{}
structuralSchemas := map[string]*structuralschema.Structural{}
for _, v := range crd.Spec.Versions {
val, err := apiextensions.GetSchemaForVersion(crd, v.Name)
if err != nil {
utilruntime.HandleError(err)
return nil, fmt.Errorf("the server could not properly serve the CR schema")
}
if val == nil {
continue
}
structuralSchemas[v.Name], err = structuralschema.NewStructural(val.OpenAPIV3Schema)
if *crd.Spec.PreserveUnknownFields == false && err != nil {
utilruntime.HandleError(err)
return nil, fmt.Errorf("the server could not properly serve the CR schema") // validation should avoid this
}
}
for _, v := range crd.Spec.Versions {
safeConverter, unsafeConverter, err := r.converterFactory.NewConverter(crd)
if err != nil {
@ -529,14 +546,6 @@ func (r *crdHandler) getOrCreateServingInfoFor(crd *apiextensions.CustomResource
return nil, fmt.Errorf("unexpected nil spec.preserveUnknownFields in the CustomResourceDefinition")
}
var structuralSchema *structuralschema.Structural
if validationSchema != nil {
structuralSchema, err = structuralschema.NewStructural(validationSchema.OpenAPIV3Schema)
if *crd.Spec.PreserveUnknownFields == false && err != nil {
return nil, err // validation should avoid this
}
}
var statusSpec *apiextensions.CustomResourceSubresourceStatus
var statusValidator *validate.SchemaValidator
subresources, err := apiextensions.GetSubresourcesForVersion(crd, v.Name)
@ -591,7 +600,7 @@ func (r *crdHandler) getOrCreateServingInfoFor(crd *apiextensions.CustomResource
converter: safeConverter,
decoderVersion: schema.GroupVersion{Group: crd.Spec.Group, Version: v.Name},
encoderVersion: schema.GroupVersion{Group: crd.Spec.Group, Version: storageVersion},
structuralSchema: structuralSchema,
structuralSchemas: structuralSchemas,
structuralSchemaGK: kind.GroupKind(),
preserveUnknownFields: *crd.Spec.PreserveUnknownFields,
},
@ -619,7 +628,7 @@ func (r *crdHandler) getOrCreateServingInfoFor(crd *apiextensions.CustomResource
typer: typer,
creator: creator,
converter: safeConverter,
structuralSchema: structuralSchema,
structuralSchemas: structuralSchemas,
structuralSchemaGK: kind.GroupKind(),
preserveUnknownFields: *crd.Spec.PreserveUnknownFields,
},
@ -676,7 +685,7 @@ func (r *crdHandler) getOrCreateServingInfoFor(crd *apiextensions.CustomResource
statusScope.Serializer = unstructuredNegotiatedSerializer{
typer: typer, creator: creator,
converter: safeConverter,
structuralSchema: structuralSchema,
structuralSchemas: structuralSchemas,
structuralSchemaGK: kind.GroupKind(),
preserveUnknownFields: *crd.Spec.PreserveUnknownFields,
}
@ -715,7 +724,7 @@ type unstructuredNegotiatedSerializer struct {
creator runtime.ObjectCreater
converter runtime.ObjectConvertor
structuralSchema *structuralschema.Structural
structuralSchemas map[string]*structuralschema.Structural // by version
structuralSchemaGK schema.GroupKind
preserveUnknownFields bool
}
@ -750,7 +759,7 @@ func (s unstructuredNegotiatedSerializer) EncoderForVersion(encoder runtime.Enco
}
func (s unstructuredNegotiatedSerializer) DecoderToVersion(decoder runtime.Decoder, gv runtime.GroupVersioner) runtime.Decoder {
d := schemaCoercingDecoder{delegate: decoder, validator: unstructuredSchemaCoercer{structuralSchema: s.structuralSchema, structuralSchemaGK: s.structuralSchemaGK, preserveUnknownFields: s.preserveUnknownFields}}
d := schemaCoercingDecoder{delegate: decoder, validator: unstructuredSchemaCoercer{structuralSchemas: s.structuralSchemas, structuralSchemaGK: s.structuralSchemaGK, preserveUnknownFields: s.preserveUnknownFields}}
return versioning.NewDefaultingCodecForScheme(Scheme, nil, d, nil, gv)
}
@ -842,7 +851,7 @@ type crdConversionRESTOptionsGetter struct {
converter runtime.ObjectConvertor
encoderVersion schema.GroupVersion
decoderVersion schema.GroupVersion
structuralSchema *structuralschema.Structural
structuralSchemas map[string]*structuralschema.Structural // by version
structuralSchemaGK schema.GroupKind
preserveUnknownFields bool
}
@ -853,12 +862,12 @@ func (t crdConversionRESTOptionsGetter) GetRESTOptions(resource schema.GroupReso
d := schemaCoercingDecoder{delegate: ret.StorageConfig.Codec, validator: unstructuredSchemaCoercer{
// drop invalid fields while decoding old CRs (before we haven't had any ObjectMeta validation)
dropInvalidMetadata: true,
structuralSchema: t.structuralSchema,
structuralSchemas: t.structuralSchemas,
structuralSchemaGK: t.structuralSchemaGK,
preserveUnknownFields: t.preserveUnknownFields,
}}
c := schemaCoercingConverter{delegate: t.converter, validator: unstructuredSchemaCoercer{
structuralSchema: t.structuralSchema,
structuralSchemas: t.structuralSchemas,
structuralSchemaGK: t.structuralSchemaGK,
preserveUnknownFields: t.preserveUnknownFields,
}}
@ -950,7 +959,7 @@ func (v schemaCoercingConverter) ConvertFieldLabel(gvk schema.GroupVersionKind,
type unstructuredSchemaCoercer struct {
dropInvalidMetadata bool
structuralSchema *structuralschema.Structural
structuralSchemas map[string]*structuralschema.Structural
structuralSchemaGK schema.GroupKind
preserveUnknownFields bool
}
@ -976,7 +985,7 @@ func (v *unstructuredSchemaCoercer) apply(u *unstructured.Unstructured) error {
return err
}
if !v.preserveUnknownFields && gv.Group == v.structuralSchemaGK.Group && kind == v.structuralSchemaGK.Kind {
structuralpruning.Prune(u.Object, v.structuralSchema)
structuralpruning.Prune(u.Object, v.structuralSchemas[gv.Version])
}
// restore meta fields, starting clean