49 lines
1.6 KiB
Go
49 lines
1.6 KiB
Go
package explorer
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/apimachinery/pkg/runtime/serializer"
|
|
"k8s.io/apimachinery/pkg/util/json"
|
|
)
|
|
|
|
// Decoder knows how to decode the contents of an explorer
|
|
// request into a concrete object.
|
|
type Decoder struct {
|
|
codecs serializer.CodecFactory
|
|
}
|
|
|
|
// NewDecoder creates a Decoder given the runtime.Scheme.
|
|
func NewDecoder(scheme *runtime.Scheme) *Decoder {
|
|
return &Decoder{
|
|
codecs: serializer.NewCodecFactory(scheme),
|
|
}
|
|
}
|
|
|
|
// Decode decodes the inlined object in the ExploreRequest into the passed-in runtime.Object.
|
|
// If you want to decode the ObservedObject in the ExploreRequest, use DecodeRaw.
|
|
// It errors out if req.Object.Raw is empty i.e. containing 0 raw bytes.
|
|
func (d *Decoder) Decode(req Request, into runtime.Object) error {
|
|
if len(req.Object.Raw) == 0 {
|
|
return fmt.Errorf("there is no context to decode")
|
|
}
|
|
return d.DecodeRaw(req.Object, into)
|
|
}
|
|
|
|
// DecodeRaw decodes a RawExtension object into the passed-in runtime.Object.
|
|
// It errors out if rawObj is empty i.e. containing 0 raw bytes.
|
|
func (d *Decoder) DecodeRaw(rawObj runtime.RawExtension, into runtime.Object) error {
|
|
if len(rawObj.Raw) == 0 {
|
|
return fmt.Errorf("there is no content to decode")
|
|
}
|
|
if unstructuredInto, isUnstructured := into.(*unstructured.Unstructured); isUnstructured {
|
|
// unmarshal into unstructured's underlying object to avoid calling the decoder
|
|
return json.Unmarshal(rawObj.Raw, &unstructuredInto.Object)
|
|
}
|
|
|
|
deserializer := d.codecs.UniversalDeserializer()
|
|
return runtime.DecodeInto(deserializer, rawObj.Raw, into)
|
|
}
|