mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-05 20:50:24 +00:00
49 lines
1.7 KiB
Go
49 lines
1.7 KiB
Go
|
/*
|
||
|
Copyright 2016 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 (
|
||
|
"fmt"
|
||
|
"reflect"
|
||
|
|
||
|
"k8s.io/apimachinery/pkg/runtime/schema"
|
||
|
)
|
||
|
|
||
|
// CheckCodec makes sure that the codec can encode objects like internalType,
|
||
|
// decode all of the external types listed, and also decode them into the given
|
||
|
// object. (Will modify internalObject.) (Assumes JSON serialization.)
|
||
|
// TODO: verify that the correct external version is chosen on encode...
|
||
|
func CheckCodec(c Codec, internalType Object, externalTypes ...schema.GroupVersionKind) error {
|
||
|
if _, err := Encode(c, internalType); err != nil {
|
||
|
return fmt.Errorf("Internal type not encodable: %v", err)
|
||
|
}
|
||
|
for _, et := range externalTypes {
|
||
|
exBytes := []byte(fmt.Sprintf(`{"kind":"%v","apiVersion":"%v"}`, et.Kind, et.GroupVersion().String()))
|
||
|
obj, err := Decode(c, exBytes)
|
||
|
if err != nil {
|
||
|
return fmt.Errorf("external type %s not interpretable: %v", et, err)
|
||
|
}
|
||
|
if reflect.TypeOf(obj) != reflect.TypeOf(internalType) {
|
||
|
return fmt.Errorf("decode of external type %s produced: %#v", et, obj)
|
||
|
}
|
||
|
if err = DecodeInto(c, exBytes, internalType); err != nil {
|
||
|
return fmt.Errorf("external type %s not convertible to internal type: %v", et, err)
|
||
|
}
|
||
|
}
|
||
|
return nil
|
||
|
}
|