func HashObject(obj runtime.Object, codec runtime.Codec) (string, error) {
data, err := runtime.Encode(codec, obj)
if err != nil {
return "", err
}
return fmt.Sprintf("%x", md5.Sum(data)), nil
}
// Object converts a watch.Event into an appropriately serializable JSON object
func Object(codec runtime.Codec, event *watch.Event) (interface{}, error) {
obj, ok := event.Object.(runtime.Object)
if !ok {
return nil, fmt.Errorf("the event object cannot be safely converted to JSON: %v", reflect.TypeOf(event.Object).Name())
}
data, err := runtime.Encode(codec, obj)
if err != nil {
return nil, err
}
return &WatchEvent{event.Type, runtime.RawExtension{RawJSON: json.RawMessage(data)}}, nil
}
// Body makes the request use obj as the body. Optional.
// If obj is a string, try to read a file of that name.
// If obj is a []byte, send it directly.
// If obj is an io.Reader, use it directly.
// If obj is a runtime.Object, marshal it correctly, and set Content-Type header.
// If obj is a runtime.Object and nil, do nothing.
// Otherwise, set an error.
func (r *Request) Body(obj interface{}) *Request {
if r.err != nil {
return r
}
switch t := obj.(type) {
case string:
data, err := ioutil.ReadFile(t)
if err != nil {
r.err = err
return r
}
glog.V(8).Infof("Request Body: %s", string(data))
r.body = bytes.NewBuffer(data)
case []byte:
glog.V(8).Infof("Request Body: %s", string(t))
r.body = bytes.NewBuffer(t)
case io.Reader:
r.body = t
case runtime.Object:
// callers may pass typed interface pointers, therefore we must check nil with reflection
if reflect.ValueOf(t).IsNil() {
return r
}
data, err := runtime.Encode(r.codec, t)
if err != nil {
r.err = err
return r
}
glog.V(8).Infof("Request Body: %s", string(data))
r.body = bytes.NewBuffer(data)
r.SetHeader("Content-Type", "application/json")
default:
r.err = fmt.Errorf("unknown type used for body: %+v", obj)
}
return r
}
// Based on: https://github.com/openshift/origin/blob/master/pkg/api/compatibility_test.go
//
// TestCompatibility reencodes the input using the codec for the given
// version and checks for the presence of the expected keys and absent
// keys in the resulting JSON.
func TestCompatibility(
t *testing.T,
version unversioned.GroupVersion,
input []byte,
validator func(obj runtime.Object) field.ErrorList,
expectedKeys map[string]string,
absentKeys []string,
) {
// Decode
codec := runtime.CodecFor(api.Scheme, version)
obj, err := runtime.Decode(codec, input)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
// Validate
errs := validator(obj)
if len(errs) != 0 {
t.Fatalf("Unexpected validation errors: %v", errs)
}
// Encode
output, err := runtime.Encode(codec, obj)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
// Validate old and new fields are encoded
generic := map[string]interface{}{}
if err := json.Unmarshal(output, &generic); err != nil {
t.Fatalf("Unexpected error: %v", err)
}
hasError := false
for k, expectedValue := range expectedKeys {
keys := strings.Split(k, ".")
if actualValue, ok, err := getJSONValue(generic, keys...); err != nil || !ok {
t.Errorf("Unexpected error for %s: %v", k, err)
hasError = true
} else if !reflect.DeepEqual(expectedValue, fmt.Sprintf("%v", actualValue)) {
hasError = true
t.Errorf("Unexpected value for %v: expected %v, got %v", k, expectedValue, actualValue)
}
}
for _, absentKey := range absentKeys {
keys := strings.Split(absentKey, ".")
actualValue, ok, err := getJSONValue(generic, keys...)
if err == nil || ok {
t.Errorf("Unexpected value found for for key %s: %v", absentKey, actualValue)
hasError = true
}
}
if hasError {
printer := new(kubectl.JSONPrinter)
printer.PrintObj(obj, os.Stdout)
t.Logf("2: Encoded value: %#v", string(output))
}
}
