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Make strict json unstructured decoding consistent with non-strict decoding

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This commit is contained in:
Jordan Liggitt 2022-03-25 12:03:01 -04:00
parent 48d3fde39f
commit 37952b7dbc
2 changed files with 21 additions and 7 deletions
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19
staging/src/k8s.io/apimachinery/pkg/runtime/serializer/json/json.go
View File

@ -166,7 +166,20 @@ func (s *Serializer) Decode(originalData []byte, gvk *schema.GroupVersionKind, i
strictErrs, err := s.unmarshal(into, data, originalData)
if err != nil {
return nil, actual, err
} else if len(strictErrs) > 0 {
}
// when decoding directly into a provided unstructured object,
// extract the actual gvk decoded from the provided data,
// and ensure it is non-empty.
if isUnstructured {
*actual = into.GetObjectKind().GroupVersionKind()
if len(actual.Kind) == 0 {
return nil, actual, runtime.NewMissingKindErr(string(originalData))
}
// TODO(109023): require apiVersion here as well once unstructuredJSONScheme#Decode does
}
if len(strictErrs) > 0 {
return into, actual, runtime.NewStrictDecodingError(strictErrs)
}
return into, actual, nil
@ -261,9 +274,9 @@ func (s *Serializer) unmarshal(into runtime.Object, data, originalData []byte) (
var strictJSONErrs []error
if u, isUnstructured := into.(runtime.Unstructured); isUnstructured {
// Unstructured is a custom unmarshaler that gets delegated
// to, so inorder to detect strict JSON errors we need
// to, so in order to detect strict JSON errors we need
// to unmarshal directly into the object.
m := u.UnstructuredContent()
m := map[string]interface{}{}
strictJSONErrs, err = kjson.UnmarshalStrict(data, &m)
u.SetUnstructuredContent(m)
} else {

9
staging/src/k8s.io/apimachinery/pkg/runtime/serializer/json/json_test.go
View File

@ -638,10 +638,10 @@ func TestDecode(t *testing.T) {
},
// Duplicate fields should return an error from the strict JSON deserializer for unstructured.
{
data: []byte(`{"value":1,"value":1}`),
data: []byte(`{"kind":"Custom","value":1,"value":1}`),
into: &unstructured.Unstructured{},
typer: &mockTyper{gvk: &schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"}},
expectedGVK: &schema.GroupVersionKind{},
expectedGVK: &schema.GroupVersionKind{Kind: "Custom"},
errFn: func(err error) bool {
return strings.Contains(err.Error(), `duplicate field "value"`)
},
@ -649,11 +649,12 @@ func TestDecode(t *testing.T) {
},
// Duplicate fields should return an error from the strict YAML deserializer for unstructured.
{
data: []byte("value: 1\n" +
data: []byte("kind: Custom\n" +
"value: 1\n" +
"value: 1\n"),
into: &unstructured.Unstructured{},
typer: &mockTyper{gvk: &schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"}},
expectedGVK: &schema.GroupVersionKind{},
expectedGVK: &schema.GroupVersionKind{Kind: "Custom"},
errFn: func(err error) bool {
return strings.Contains(err.Error(), `"value" already set in map`)
},