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This commit is contained in:
Sergiusz Urbaniak 2020-12-14 12:43:28 +01:00
parent 269295a414
commit 9f0440be0f
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GPG key ID: 44E6612519E13C39
669 changed files with 58447 additions and 20021 deletions
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14
vendor/k8s.io/apiserver/pkg/endpoints/handlers/fieldmanager/internal/gvkparser.go generated vendored
View file

@ -30,12 +30,15 @@ import (
// definition's "extensions" map.
const groupVersionKindExtensionKey = "x-kubernetes-group-version-kind"
type gvkParser struct {
// GvkParser contains a Parser that allows introspecting the schema.
type GvkParser struct {
gvks map[schema.GroupVersionKind]string
parser typed.Parser
}
func (p *gvkParser) Type(gvk schema.GroupVersionKind) *typed.ParseableType {
// Type returns a helper which can produce objects of the given type. Any
// errors are deferred until a further function is called.
func (p *GvkParser) Type(gvk schema.GroupVersionKind) *typed.ParseableType {
typeName, ok := p.gvks[gvk]
if !ok {
return nil
@ -44,12 +47,15 @@ func (p *gvkParser) Type(gvk schema.GroupVersionKind) *typed.ParseableType {
return &t
}
func newGVKParser(models proto.Models, preserveUnknownFields bool) (*gvkParser, error) {
// NewGVKParser builds a GVKParser from a proto.Models. This
// will automatically find the proper version of the object, and the
// corresponding schema information.
func NewGVKParser(models proto.Models, preserveUnknownFields bool) (*GvkParser, error) {
typeSchema, err := schemaconv.ToSchemaWithPreserveUnknownFields(models, preserveUnknownFields)
if err != nil {
return nil, fmt.Errorf("failed to convert models to schema: %v", err)
}
parser := gvkParser{
parser := GvkParser{
gvks: map[schema.GroupVersionKind]string{},
}
parser.parser = typed.Parser{Schema: *typeSchema}

129
vendor/k8s.io/apiserver/pkg/endpoints/handlers/fieldmanager/internal/typeconverter.go generated vendored
View file

@ -1,129 +0,0 @@
/*
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 internal
import (
"fmt"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/kube-openapi/pkg/util/proto"
"sigs.k8s.io/structured-merge-diff/v4/typed"
"sigs.k8s.io/structured-merge-diff/v4/value"
)
// TypeConverter allows you to convert from runtime.Object to
// typed.TypedValue and the other way around.
type TypeConverter interface {
ObjectToTyped(runtime.Object) (*typed.TypedValue, error)
TypedToObject(*typed.TypedValue) (runtime.Object, error)
}
// DeducedTypeConverter is a TypeConverter for CRDs that don't have a
// schema. It does implement the same interface though (and create the
// same types of objects), so that everything can still work the same.
// CRDs are merged with all their fields being "atomic" (lists
// included).
//
// Note that this is not going to be sufficient for converting to/from
// CRDs that have a schema defined (we don't support that schema yet).
// TODO(jennybuckley): Use the schema provided by a CRD if it exists.
type DeducedTypeConverter struct{}
var _ TypeConverter = DeducedTypeConverter{}
// ObjectToTyped converts an object into a TypedValue with a "deduced type".
func (DeducedTypeConverter) ObjectToTyped(obj runtime.Object) (*typed.TypedValue, error) {
switch o := obj.(type) {
case *unstructured.Unstructured:
return typed.DeducedParseableType.FromUnstructured(o.UnstructuredContent())
default:
return typed.DeducedParseableType.FromStructured(obj)
}
}
// TypedToObject transforms the typed value into a runtime.Object. That
// is not specific to deduced type.
func (DeducedTypeConverter) TypedToObject(value *typed.TypedValue) (runtime.Object, error) {
return valueToObject(value.AsValue())
}
type typeConverter struct {
parser *gvkParser
}
var _ TypeConverter = &typeConverter{}
// NewTypeConverter builds a TypeConverter from a proto.Models. This
// will automatically find the proper version of the object, and the
// corresponding schema information.
func NewTypeConverter(models proto.Models, preserveUnknownFields bool) (TypeConverter, error) {
parser, err := newGVKParser(models, preserveUnknownFields)
if err != nil {
return nil, err
}
return &typeConverter{parser: parser}, nil
}
func (c *typeConverter) ObjectToTyped(obj runtime.Object) (*typed.TypedValue, error) {
gvk := obj.GetObjectKind().GroupVersionKind()
t := c.parser.Type(gvk)
if t == nil {
return nil, newNoCorrespondingTypeError(gvk)
}
switch o := obj.(type) {
case *unstructured.Unstructured:
return t.FromUnstructured(o.UnstructuredContent())
default:
return t.FromStructured(obj)
}
}
func (c *typeConverter) TypedToObject(value *typed.TypedValue) (runtime.Object, error) {
return valueToObject(value.AsValue())
}
func valueToObject(val value.Value) (runtime.Object, error) {
vu := val.Unstructured()
switch o := vu.(type) {
case map[string]interface{}:
return &unstructured.Unstructured{Object: o}, nil
default:
return nil, fmt.Errorf("failed to convert value to unstructured for type %T", vu)
}
}
type noCorrespondingTypeErr struct {
gvk schema.GroupVersionKind
}
func newNoCorrespondingTypeError(gvk schema.GroupVersionKind) error {
return &noCorrespondingTypeErr{gvk: gvk}
}
func (k *noCorrespondingTypeErr) Error() string {
return fmt.Sprintf("no corresponding type for %v", k.gvk)
}
func isNoCorrespondingTypeError(err error) bool {
if err == nil {
return false
}
_, ok := err.(*noCorrespondingTypeErr)
return ok
}

101
vendor/k8s.io/apiserver/pkg/endpoints/handlers/fieldmanager/internal/versionconverter.go generated vendored
View file

@ -1,101 +0,0 @@
/*
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 internal
import (
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"sigs.k8s.io/structured-merge-diff/v4/fieldpath"
"sigs.k8s.io/structured-merge-diff/v4/merge"
"sigs.k8s.io/structured-merge-diff/v4/typed"
)
// versionConverter is an implementation of
// sigs.k8s.io/structured-merge-diff/merge.Converter
type versionConverter struct {
typeConverter TypeConverter
objectConvertor runtime.ObjectConvertor
hubGetter func(from schema.GroupVersion) schema.GroupVersion
}
var _ merge.Converter = &versionConverter{}
// NewVersionConverter builds a VersionConverter from a TypeConverter and an ObjectConvertor.
func NewVersionConverter(t TypeConverter, o runtime.ObjectConvertor, h schema.GroupVersion) merge.Converter {
return &versionConverter{
typeConverter: t,
objectConvertor: o,
hubGetter: func(from schema.GroupVersion) schema.GroupVersion {
return schema.GroupVersion{
Group: from.Group,
Version: h.Version,
}
},
}
}
// NewCRDVersionConverter builds a VersionConverter for CRDs from a TypeConverter and an ObjectConvertor.
func NewCRDVersionConverter(t TypeConverter, o runtime.ObjectConvertor, h schema.GroupVersion) merge.Converter {
return &versionConverter{
typeConverter: t,
objectConvertor: o,
hubGetter: func(from schema.GroupVersion) schema.GroupVersion {
return h
},
}
}
// Convert implements sigs.k8s.io/structured-merge-diff/merge.Converter
func (v *versionConverter) Convert(object *typed.TypedValue, version fieldpath.APIVersion) (*typed.TypedValue, error) {
// Convert the smd typed value to a kubernetes object.
objectToConvert, err := v.typeConverter.TypedToObject(object)
if err != nil {
return object, err
}
// Parse the target groupVersion.
groupVersion, err := schema.ParseGroupVersion(string(version))
if err != nil {
return object, err
}
// If attempting to convert to the same version as we already have, just return it.
fromVersion := objectToConvert.GetObjectKind().GroupVersionKind().GroupVersion()
if fromVersion == groupVersion {
return object, nil
}
// Convert to internal
internalObject, err := v.objectConvertor.ConvertToVersion(objectToConvert, v.hubGetter(fromVersion))
if err != nil {
return object, err
}
// Convert the object into the target version
convertedObject, err := v.objectConvertor.ConvertToVersion(internalObject, groupVersion)
if err != nil {
return object, err
}
// Convert the object back to a smd typed value and return it.
return v.typeConverter.ObjectToTyped(convertedObject)
}
// IsMissingVersionError
func (v *versionConverter) IsMissingVersionError(err error) bool {
return runtime.IsNotRegisteredError(err) || isNoCorrespondingTypeError(err)
}