Golang runtime.RawExtension類代碼示例

// Visit implements Visitor over a stream. StreamVisitor is able to distinct multiple resources in one stream.
func (v *StreamVisitor) Visit(fn VisitorFunc) error {
	d := yaml.NewYAMLOrJSONDecoder(v.Reader, 4096)
	for {
		ext := runtime.RawExtension{}
		if err := d.Decode(&ext); err != nil {
			if err == io.EOF {
				return nil
			}
			return err
		}
		// TODO: This needs to be able to handle object in other encodings and schemas.
		ext.Raw = bytes.TrimSpace(ext.Raw)
		if len(ext.Raw) == 0 || bytes.Equal(ext.Raw, []byte("null")) {
			continue
		}
		if err := ValidateSchema(ext.Raw, v.Schema); err != nil {
			return fmt.Errorf("error validating %q: %v", v.Source, err)
		}
		info, err := v.InfoForData(ext.Raw, v.Source)
		if err != nil {
			if fnErr := fn(info, err); fnErr != nil {
				return fnErr
			}
			continue
		}
		if err := fn(info, nil); err != nil {
			return err
		}
	}
}

// Convert_runtime_Object_To_runtime_RawExtension is conversion function that assumes that the runtime.Object you've embedded is in
// the same GroupVersion that your containing type is in.  This is signficantly better than simply breaking.
// Given an ordered list of preferred external versions for a given encode or conversion call, the behavior of this function could be
// made generic, predictable, and controllable.
func convert_runtime_Object_To_runtime_RawExtension(in runtime.Object, out *runtime.RawExtension, s conversion.Scope) error {
	if in == nil {
		return nil
	}

	externalObject, err := internal.Scheme.ConvertToVersion(in, s.Meta().DestVersion)
	if runtime.IsNotRegisteredError(err) {
		switch cast := in.(type) {
		case *runtime.Unknown:
			out.Raw = cast.Raw
			return nil
		case *runtime.Unstructured:
			bytes, err := runtime.Encode(runtime.UnstructuredJSONScheme, externalObject)
			if err != nil {
				return err
			}
			out.Raw = bytes
			return nil
		}
	}
	if err != nil {
		return err
	}

	bytes, err := runtime.Encode(codec, externalObject)
	if err != nil {
		return err
	}

	out.Raw = bytes
	out.Object = externalObject

	return nil
}

// Visit implements Visitor over a stream. StreamVisitor is able to distinct multiple resources in one stream.
func (v *StreamVisitor) Visit(fn VisitorFunc) error {
	d := yaml.NewYAMLOrJSONDecoder(v.Reader, 4096)
	for {
		ext := runtime.RawExtension{}
		if err := d.Decode(&ext); err != nil {
			if err == io.EOF {
				return nil
			}
			return err
		}
		ext.RawJSON = bytes.TrimSpace(ext.RawJSON)
		if len(ext.RawJSON) == 0 || bytes.Equal(ext.RawJSON, []byte("null")) {
			continue
		}
		if err := ValidateSchema(ext.RawJSON, v.Schema); err != nil {
			return fmt.Errorf("error validating %q: %v", v.Source, err)
		}
		info, err := v.InfoForData(ext.RawJSON, v.Source)
		if err != nil {
			if v.IgnoreErrors {
				fmt.Fprintf(os.Stderr, "error: could not read an encoded object: %v\n", err)
				glog.V(4).Infof("Unreadable: %s", string(ext.RawJSON))
				continue
			}
			return err
		}
		if err := fn(info); err != nil {
			return err
		}
	}
}

// Visit implements Visitor over a stream. StreamVisitor is able to distinct multiple resources in one stream.
func (v *StreamVisitor) Visit(fn VisitorFunc) error {
	d := yaml.NewYAMLOrJSONDecoder(v.Reader, 4096)
	for {
		ext := runtime.RawExtension{}
		if err := d.Decode(&ext); err != nil {
			if err == io.EOF {
				return nil
			}
			return err
		}
		ext.RawJSON = bytes.TrimSpace(ext.RawJSON)
		if len(ext.RawJSON) == 0 || bytes.Equal(ext.RawJSON, []byte("null")) {
			continue
		}
		if err := ValidateSchema(ext.RawJSON, v.Schema); err != nil {
			return fmt.Errorf("error validating %q: %v", v.Source, err)
		}
		info, err := v.InfoForData(ext.RawJSON, v.Source)
		if err != nil {
			if fnErr := fn(info, err); fnErr != nil {
				return fnErr
			}
			continue
		}
		if err := fn(info, nil); err != nil {
			return err
		}
	}
}

// Convert_runtime_Object_To_runtime_RawExtension attempts to convert runtime.Objects to the appropriate target, returning an error
// if there is insufficient information on the conversion scope to determine the target version.
func Convert_runtime_Object_To_runtime_RawExtension(c runtime.ObjectConvertor, in *runtime.Object, out *runtime.RawExtension, s conversion.Scope) error {
	if *in == nil {
		return nil
	}
	obj := *in

	switch obj.(type) {
	case *runtime.Unknown, *runtime.Unstructured:
		out.Raw = nil
		out.Object = obj
		return nil
	}

	switch t := s.Meta().Context.(type) {
	case runtime.GroupVersioner:
		converted, err := c.ConvertToVersion(obj, t)
		if err != nil {
			return err
		}
		out.Raw = nil
		out.Object = converted
	default:
		return fmt.Errorf("unrecognized conversion context for versioning: %#v", t)
	}
	return nil
}

// Convert_runtime_RawExtension_To_runtime_Object well, this is the reason why there was runtime.Embedded.  The `out` here is hopeless.
// The caller doesn't know the type ahead of time and that means this method can't communicate the return value.  This sucks really badly.
// I'm going to set the `in.Object` field can have callers to this function do magic to pull it back out.  I'm also going to bitch about it.
func Convert_runtime_RawExtension_To_runtime_Object(in *runtime.RawExtension, out runtime.Object, s conversion.Scope) error {
	if in == nil || len(in.Raw) == 0 || in.Object != nil {
		return nil
	}

	// the scheme knows all available group versions, so its possible to build the decoder properly, but it would require some refactoring

	srcVersion, err := unversioned.ParseGroupVersion(s.Meta().SrcVersion)
	if err != nil {
		return err
	}
	decodedObject, err := runtime.Decode(kapi.Codecs.UniversalDecoder(srcVersion), in.Raw)
	if err != nil {
		return err
	}

	internalObject, err := kapi.Scheme.ConvertToVersion(decodedObject, s.Meta().DestVersion)
	if err != nil {
		return err
	}

	in.Object = internalObject

	return nil
}

// Convert_runtime_RawExtension_To_runtime_Object well, this is the reason why there was runtime.Embedded.  The `out` here is hopeless.
// The caller doesn't know the type ahead of time and that means this method can't communicate the return value.  This sucks really badly.
// I'm going to set the `in.Object` field can have callers to this function do magic to pull it back out.  I'm also going to bitch about it.
func convert_runtime_RawExtension_To_runtime_Object(in *runtime.RawExtension, out runtime.Object, s conversion.Scope) error {
	if in == nil || len(in.Raw) == 0 || in.Object != nil {
		return nil
	}

	decodedObject, err := runtime.Decode(codec, in.Raw)
	if err != nil {
		in.Object = &runtime.Unknown{Raw: in.Raw}
		return nil
	}

	internalObject, err := internal.Scheme.ConvertToVersion(decodedObject, s.Meta().DestVersion)
	if err != nil {
		return err
	}

	in.Object = internalObject

	return nil
}

// EncodeNestedRawExtension will encode the object in the RawExtension (if not nil) or
// return an error.
func EncodeNestedRawExtension(e runtime.Encoder, ext *runtime.RawExtension) error {
	if ext.Raw != nil || ext.Object == nil {
		return nil
	}
	data, err := runtime.Encode(e, ext.Object)
	if err != nil {
		return err
	}
	ext.Raw = data
	return nil
}

// Convert_runtime_Object_To_runtime_RawExtension is conversion function that assumes that the runtime.Object you've embedded is in
// the same GroupVersion that your containing type is in.  This is signficantly better than simply breaking.
// Given an ordered list of preferred external versions for a given encode or conversion call, the behavior of this function could be
// made generic, predictable, and controllable.
func convert_runtime_Object_To_runtime_RawExtension(in runtime.Object, out *runtime.RawExtension, s conversion.Scope) error {
	if in == nil {
		return nil
	}

	externalObject, err := internal.Scheme.ConvertToVersion(in, s.Meta().DestVersion)
	if err != nil {
		return err
	}

	bytes, err := runtime.Encode(codec, externalObject)
	if err != nil {
		return err
	}

	out.RawJSON = bytes
	out.Object = externalObject

	return nil
}

// Convert_runtime_Object_To_runtime_RawExtension is conversion function that assumes that the runtime.Object you've embedded is in
// the same GroupVersion that your containing type is in.  This is signficantly better than simply breaking.
// Given an ordered list of preferred external versions for a given encode or conversion call, the behavior of this function could be
// made generic, predictable, and controllable.
func Convert_runtime_Object_To_runtime_RawExtension(in runtime.Object, out *runtime.RawExtension, s conversion.Scope) error {
	if in == nil {
		return nil
	}

	externalObject, err := kapi.Scheme.ConvertToVersion(in, s.Meta().DestVersion)
	if err != nil {
		return err
	}

	targetVersion, err := unversioned.ParseGroupVersion(s.Meta().DestVersion)
	if err != nil {
		return err
	}
	bytes, err := runtime.Encode(kapi.Codecs.LegacyCodec(targetVersion), externalObject)
	if err != nil {
		return err
	}

	out.Raw = bytes
	out.Object = externalObject

	return nil
}

// DecodeNestedRawExtensionOrUnknown
func DecodeNestedRawExtensionOrUnknown(d runtime.Decoder, ext *runtime.RawExtension) {
	if ext.Raw == nil || ext.Object != nil {
		return
	}
	obj, gvk, err := d.Decode(ext.Raw, nil, nil)
	if err != nil {
		unk := &runtime.Unknown{Raw: ext.Raw}
		if runtime.IsNotRegisteredError(err) {
			if _, gvk, err := d.Decode(ext.Raw, nil, unk); err == nil {
				unk.APIVersion = gvk.GroupVersion().String()
				unk.Kind = gvk.Kind
				ext.Object = unk
				return
			}
		}
		// TODO: record mime-type with the object
		if gvk != nil {
			unk.APIVersion = gvk.GroupVersion().String()
			unk.Kind = gvk.Kind
		}
		obj = unk
	}
	ext.Object = obj
}

// Convert_runtime_RawExtension_To_runtime_Object attempts to convert an incoming object into the
// appropriate output type.
func Convert_runtime_RawExtension_To_runtime_Object(c runtime.ObjectConvertor, in *runtime.RawExtension, out *runtime.Object, s conversion.Scope) error {
	if in == nil || in.Object == nil {
		return nil
	}

	switch in.Object.(type) {
	case *runtime.Unknown, *runtime.Unstructured:
		*out = in.Object
		return nil
	}

	switch t := s.Meta().Context.(type) {
	case runtime.GroupVersioner:
		converted, err := c.ConvertToVersion(in.Object, t)
		if err != nil {
			return err
		}
		in.Object = converted
		*out = converted
	default:
		return fmt.Errorf("unrecognized conversion context for conversion to internal: %#v (%T)", t, t)
	}
	return nil
}