Fix node Get() error code

pkg/registry/etcd/etcd.go

@@ -604,7 +604,7 @@ func (r *Registry) GetMinion(ctx api.Context, minionID string) (*api.Node, error
 	key := makeNodeKey(minionID)
 	err := r.ExtractObj(key, &minion, false)
 	if err != nil {
-		return nil, etcderr.InterpretGetError(err, "minion", minion.Name)
+		return nil, etcderr.InterpretGetError(err, "minion", minionID)
 	}
 	return &minion, nil
 }

pkg/registry/minion/healthy_registry.go

@@ -40,6 +40,9 @@ func NewHealthyRegistry(delegate Registry, client client.KubeletHealthChecker) R
 
 func (r *HealthyRegistry) GetMinion(ctx api.Context, minionID string) (*api.Node, error) {
 	minion, err := r.delegate.GetMinion(ctx, minionID)
+	if err != nil {
+		return minion, err
+	}
 	if minion == nil {
 		return nil, ErrDoesNotExist
 	}

pkg/registry/minion/rest.go

@@ -86,6 +86,9 @@ func (rs *REST) Delete(ctx api.Context, id string) (<-chan apiserver.RESTResult,
 // Get satisfies the RESTStorage interface.
 func (rs *REST) Get(ctx api.Context, id string) (runtime.Object, error) {
 	minion, err := rs.registry.GetMinion(ctx, id)
+	if err != nil {
+		return minion, err
+	}
 	if minion == nil {
 		return nil, ErrDoesNotExist
 	}