diff options
Diffstat (limited to 'pkg/k8s.io/apimachinery/pkg/runtime/embedded.go')
-rw-r--r-- | pkg/k8s.io/apimachinery/pkg/runtime/embedded.go | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/pkg/k8s.io/apimachinery/pkg/runtime/embedded.go b/pkg/k8s.io/apimachinery/pkg/runtime/embedded.go new file mode 100644 index 000000000..35f97ec89 --- /dev/null +++ b/pkg/k8s.io/apimachinery/pkg/runtime/embedded.go @@ -0,0 +1,149 @@ +/* +Copyright 2014 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 runtime + +import ( + "errors" + + "github.com/containers/podman/v4/pkg/k8s.io/apimachinery/pkg/conversion" + "github.com/containers/podman/v4/pkg/k8s.io/apimachinery/pkg/runtime/schema" +) + +type encodable struct { + E Encoder `json:"-"` + obj Object + versions []schema.GroupVersion +} + +func (e encodable) GetObjectKind() schema.ObjectKind { return e.obj.GetObjectKind() } +func (e encodable) DeepCopyObject() Object { + out := e + out.obj = e.obj.DeepCopyObject() + copy(out.versions, e.versions) + return out +} + +// NewEncodable creates an object that will be encoded with the provided codec on demand. +// Provided as a convenience for test cases dealing with internal objects. +func NewEncodable(e Encoder, obj Object, versions ...schema.GroupVersion) Object { + if _, ok := obj.(*Unknown); ok { + return obj + } + return encodable{e, obj, versions} +} + +func (e encodable) UnmarshalJSON(in []byte) error { + return errors.New("runtime.encodable cannot be unmarshalled from JSON") +} + +// Marshal may get called on pointers or values, so implement MarshalJSON on value. +// http://stackoverflow.com/questions/21390979/custom-marshaljson-never-gets-called-in-go +func (e encodable) MarshalJSON() ([]byte, error) { + return Encode(e.E, e.obj) +} + +// NewEncodableList creates an object that will be encoded with the provided codec on demand. +// Provided as a convenience for test cases dealing with internal objects. +func NewEncodableList(e Encoder, objects []Object, versions ...schema.GroupVersion) []Object { + out := make([]Object, len(objects)) + for i := range objects { + if _, ok := objects[i].(*Unknown); ok { + out[i] = objects[i] + continue + } + out[i] = NewEncodable(e, objects[i], versions...) + } + return out +} + +func (e *Unknown) UnmarshalJSON(in []byte) error { + if e == nil { + return errors.New("runtime.Unknown: UnmarshalJSON on nil pointer") + } + e.TypeMeta = TypeMeta{} + e.Raw = append(e.Raw[0:0], in...) + e.ContentEncoding = "" + e.ContentType = ContentTypeJSON + return nil +} + +// Marshal may get called on pointers or values, so implement MarshalJSON on value. +// http://stackoverflow.com/questions/21390979/custom-marshaljson-never-gets-called-in-go +func (e Unknown) MarshalJSON() ([]byte, error) { + // If ContentType is unset, we assume this is JSON. + if e.ContentType != "" && e.ContentType != ContentTypeJSON { + return nil, errors.New("runtime.Unknown: MarshalJSON on non-json data") + } + if e.Raw == nil { + return []byte("null"), nil + } + return e.Raw, nil +} + +func Convert_runtime_Object_To_runtime_RawExtension(in *Object, out *RawExtension, s conversion.Scope) error { + if in == nil { + out.Raw = []byte("null") + return nil + } + obj := *in + if unk, ok := obj.(*Unknown); ok { + if unk.Raw != nil { + out.Raw = unk.Raw + return nil + } + obj = out.Object + } + if obj == nil { + out.Raw = nil + return nil + } + out.Object = obj + return nil +} + +func Convert_runtime_RawExtension_To_runtime_Object(in *RawExtension, out *Object, s conversion.Scope) error { + if in.Object != nil { + *out = in.Object + return nil + } + data := in.Raw + if len(data) == 0 || (len(data) == 4 && string(data) == "null") { + *out = nil + return nil + } + *out = &Unknown{ + Raw: data, + // TODO: Set ContentEncoding and ContentType appropriately. + // Currently we set ContentTypeJSON to make tests passing. + ContentType: ContentTypeJSON, + } + return nil +} + +func RegisterEmbeddedConversions(s *Scheme) error { + if err := s.AddConversionFunc((*Object)(nil), (*RawExtension)(nil), func(a, b interface{}, scope conversion.Scope) error { + return Convert_runtime_Object_To_runtime_RawExtension(a.(*Object), b.(*RawExtension), scope) + }); err != nil { + return err + } + if err := s.AddConversionFunc((*RawExtension)(nil), (*Object)(nil), func(a, b interface{}, scope conversion.Scope) error { + return Convert_runtime_RawExtension_To_runtime_Object(a.(*RawExtension), b.(*Object), scope) + }); err != nil { + return err + } + return nil +} |