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apiserver
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clean up unnecessary field 

Kubernetes-commit: 3e96127af1d33b7d958d6cb328eaf06b49904d46
This commit is contained in:
Alexander Zielenski 2023-01-11 14:54:03 -08:00 committed by Kubernetes Publisher
parent 2e474648dc
commit d58478335d
8 changed files with 65 additions and 50 deletions
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4
pkg/endpoints/groupversion.go
View File

@ -34,7 +34,6 @@ import (
"k8s.io/apiserver/pkg/endpoints/handlers/fieldmanager"
"k8s.io/apiserver/pkg/registry/rest"
"k8s.io/apiserver/pkg/storageversion"
"k8s.io/kube-openapi/pkg/validation/spec"
)
// ConvertabilityChecker indicates what versions a GroupKind is available in.
@ -95,9 +94,6 @@ type APIGroupVersion struct {
MinRequestTimeout time.Duration
// OpenAPIModels exposes the OpenAPI models to each individual handler.
OpenAPIModels *spec.Swagger
// The limit on the request body size that would be accepted and decoded in a write request.
// 0 means no limit.
MaxRequestBodyBytes int64

11
pkg/endpoints/handlers/fieldmanager/fieldmanager_test.go
View File

@ -47,11 +47,16 @@ var fakeTypeConverter = func() fieldmanager.TypeConverter {
if err != nil {
panic(err)
}
spec := spec.Swagger{}
if err := json.Unmarshal(data, &spec); err != nil {
swag := spec.Swagger{}
if err := json.Unmarshal(data, &swag); err != nil {
panic(err)
}
typeConverter, err := fieldmanager.NewTypeConverter(&spec, false)
convertedDefs := map[string]*spec.Schema{}
for k, v := range swag.Definitions {
vCopy := v
convertedDefs[k] = &vCopy
}
typeConverter, err := fieldmanager.NewTypeConverter(convertedDefs, false)
if err != nil {
panic(err)
}

9
pkg/endpoints/handlers/fieldmanager/internal/fieldmanager_test.go
View File

@ -33,11 +33,18 @@ var fakeTypeConverter = func() internal.TypeConverter {
if err != nil {
panic(err)
}
convertedDefs := map[string]*spec.Schema{}
spec := spec.Swagger{}
if err := json.Unmarshal(data, &spec); err != nil {
panic(err)
}
typeConverter, err := internal.NewTypeConverter(&spec, false)
for k, v := range spec.Definitions {
vCopy := v
convertedDefs[k] = &vCopy
}
typeConverter, err := internal.NewTypeConverter(convertedDefs, false)
if err != nil {
panic(err)
}

15
pkg/endpoints/handlers/fieldmanager/internal/typeconverter.go
View File

@ -42,23 +42,14 @@ type typeConverter struct {
var _ TypeConverter = &typeConverter{}
// NewTypeConverter builds a TypeConverter from a spec.Swagger. This
// will automatically find the proper version of the object, and the
// corresponding schema information.
func NewTypeConverter(openapiSpec *spec.Swagger, preserveUnknownFields bool) (TypeConverter, error) {
pointerDefs := map[string]*spec.Schema{}
for k, v := range openapiSpec.Definitions {
vCopy := v
pointerDefs[k] = &vCopy
}
typeSchema, err := schemaconv.ToSchemaFromOpenAPI(pointerDefs, preserveUnknownFields)
func NewTypeConverter(openapiSpec map[string]*spec.Schema, preserveUnknownFields bool) (TypeConverter, error) {
typeSchema, err := schemaconv.ToSchemaFromOpenAPI(openapiSpec, preserveUnknownFields)
if err != nil {
return nil, fmt.Errorf("failed to convert models to schema: %v", err)
}
typeParser := typed.Parser{Schema: smdschema.Schema{Types: typeSchema.Types}}
tr := indexModels(&typeParser, pointerDefs)
tr := indexModels(&typeParser, openapiSpec)
return &typeConverter{parser: tr}, nil
}

12
pkg/endpoints/handlers/fieldmanager/internal/versionconverter_test.go
View File

@ -36,11 +36,17 @@ var testTypeConverter = func() TypeConverter {
if err != nil {
panic(err)
}
spec := spec.Swagger{}
if err := json.Unmarshal(data, &spec); err != nil {
swag := spec.Swagger{}
if err := json.Unmarshal(data, &swag); err != nil {
panic(err)
}
typeConverter, err := NewTypeConverter(&spec, false)
convertedDefs := map[string]*spec.Schema{}
for k, v := range swag.Definitions {
vCopy := v
convertedDefs[k] = &vCopy
}
typeConverter, err := NewTypeConverter(convertedDefs, false)
if err != nil {
panic(err)
}

11
pkg/endpoints/handlers/fieldmanager/typeconverter.go
View File

@ -34,9 +34,14 @@ func NewDeducedTypeConverter() TypeConverter {
return internal.NewDeducedTypeConverter()
}
// NewTypeConverter builds a TypeConverter from a proto.Models. This
// will automatically find the proper version of the object, and the
// NewTypeConverter builds a TypeConverter from a map of OpenAPIV3 schemas.
// This will automatically find the proper version of the object, and the
// corresponding schema information.
func NewTypeConverter(openapiSpec *spec.Swagger, preserveUnknownFields bool) (TypeConverter, error) {
// The keys to the map must be consistent with the names
// used by Refs within the schemas.
// The schemas should conform to the Kubernetes Structural Schema OpenAPI
// restrictions found in docs:
// https://kubernetes.io/docs/tasks/extend-kubernetes/custom-resources/custom-resource-definitions/#specifying-a-structural-schema
func NewTypeConverter(openapiSpec map[string]*spec.Schema, preserveUnknownFields bool) (TypeConverter, error) {
return internal.NewTypeConverter(openapiSpec, preserveUnknownFields)
}

19
pkg/endpoints/installer.go
View File

@ -345,13 +345,6 @@ func (a *APIInstaller) registerResourceHandlers(path string, storage rest.Storag
isCreater = true
}
var resetFields map[fieldpath.APIVersion]*fieldpath.Set
if a.group.OpenAPIModels != nil {
if resetFieldsStrategy, isResetFieldsStrategy := storage.(rest.ResetFieldsStrategy); isResetFieldsStrategy {
resetFields = resetFieldsStrategy.GetResetFields()
}
}
var versionedList interface{}
if isLister {
list := lister.NewList()
@ -680,7 +673,16 @@ func (a *APIInstaller) registerResourceHandlers(path string, storage rest.Storag
if a.group.MetaGroupVersion != nil {
reqScope.MetaGroupVersion = *a.group.MetaGroupVersion
}
if a.group.OpenAPIModels != nil {
// Use TypeConverter's nil-ness as a proxy for whether SSA/OpenAPI is enabled
// This should be removed in the future and made unconditional
// https://github.com/kubernetes/kubernetes/pull/114998
if a.group.TypeConverter != nil {
var resetFields map[fieldpath.APIVersion]*fieldpath.Set
if resetFieldsStrategy, isResetFieldsStrategy := storage.(rest.ResetFieldsStrategy); isResetFieldsStrategy {
resetFields = resetFieldsStrategy.GetResetFields()
}
reqScope.FieldManager, err = fieldmanager.NewDefaultFieldManager(
a.group.TypeConverter,
a.group.UnsafeConvertor,
@ -695,6 +697,7 @@ func (a *APIInstaller) registerResourceHandlers(path string, storage rest.Storag
return nil, nil, fmt.Errorf("failed to create field manager: %v", err)
}
}
for _, action := range actions {
producedObject := storageMeta.ProducesObject(action.Verb)
if producedObject == nil {

34
pkg/server/genericapiserver.go
View File

@ -51,7 +51,7 @@ import (
utilfeature "k8s.io/apiserver/pkg/util/feature"
restclient "k8s.io/client-go/rest"
"k8s.io/klog/v2"
openapibuilder2 "k8s.io/kube-openapi/pkg/builder"
openapibuilder3 "k8s.io/kube-openapi/pkg/builder3"
openapicommon "k8s.io/kube-openapi/pkg/common"
"k8s.io/kube-openapi/pkg/handler"
"k8s.io/kube-openapi/pkg/handler3"
@ -87,7 +87,7 @@ type APIGroupInfo struct {
// StaticOpenAPISpec is the spec derived from the definitions of all resources installed together.
// It is set during InstallAPIGroups, InstallAPIGroup, and InstallLegacyAPIGroup.
StaticOpenAPISpec *spec.Swagger
StaticOpenAPISpec map[string]*spec.Schema
}
func (a *APIGroupInfo) destroyStorage() {
@ -666,7 +666,16 @@ func (s preparedGenericAPIServer) NonBlockingRun(stopCh <-chan struct{}, shutdow
}
// installAPIResources is a private method for installing the REST storage backing each api groupversionresource
func (s *GenericAPIServer) installAPIResources(apiPrefix string, apiGroupInfo *APIGroupInfo, openAPIModels *spec.Swagger) error {
func (s *GenericAPIServer) installAPIResources(apiPrefix string, apiGroupInfo *APIGroupInfo, openAPIModels map[string]*spec.Schema) error {
var typeConverter fieldmanager.TypeConverter
if len(openAPIModels) > 0 {
var err error
typeConverter, err = fieldmanager.NewTypeConverter(openAPIModels, false)
if err != nil {
return err
}
}
var resourceInfos []*storageversion.ResourceInfo
for _, groupVersion := range apiGroupInfo.PrioritizedVersions {
if len(apiGroupInfo.VersionedResourcesStorageMap[groupVersion.Version]) == 0 {
@ -681,16 +690,7 @@ func (s *GenericAPIServer) installAPIResources(apiPrefix string, apiGroupInfo *A
if apiGroupInfo.OptionsExternalVersion != nil {
apiGroupVersion.OptionsExternalVersion = apiGroupInfo.OptionsExternalVersion
}
apiGroupVersion.OpenAPIModels = openAPIModels
if openAPIModels != nil {
typeConverter, err := fieldmanager.NewTypeConverter(openAPIModels, false)
if err != nil {
return err
}
apiGroupVersion.TypeConverter = typeConverter
}
apiGroupVersion.TypeConverter = typeConverter
apiGroupVersion.MaxRequestBodyBytes = s.maxRequestBodyBytes
discoveryAPIResources, r, err := apiGroupVersion.InstallREST(s.Handler.GoRestfulContainer)
@ -881,8 +881,10 @@ func NewDefaultAPIGroupInfo(group string, scheme *runtime.Scheme, parameterCodec
}
// getOpenAPIModels is a private method for getting the OpenAPI models
func (s *GenericAPIServer) getOpenAPIModels(apiPrefix string, apiGroupInfos ...*APIGroupInfo) (*spec.Swagger, error) {
if s.openAPIConfig == nil {
func (s *GenericAPIServer) getOpenAPIModels(apiPrefix string, apiGroupInfos ...*APIGroupInfo) (map[string]*spec.Schema, error) {
if s.openAPIV3Config == nil {
//!TODO: A future work should add a requirement that
// OpenAPIV3 config is required. May require some refactoring of tests.
return nil, nil
}
pathsToIgnore := openapiutil.NewTrie(s.openAPIConfig.IgnorePrefixes)
@ -896,7 +898,7 @@ func (s *GenericAPIServer) getOpenAPIModels(apiPrefix string, apiGroupInfos ...*
}
// Build the openapi definitions for those resources and convert it to proto models
openAPISpec, err := openapibuilder2.BuildOpenAPIDefinitionsForResources(s.openAPIConfig, resourceNames...)
openAPISpec, err := openapibuilder3.BuildOpenAPIDefinitionsForResources(s.openAPIV3Config, resourceNames...)
if err != nil {
return nil, err
}