func parseMultipart()

in internal/configprovider/userdata.go [68:107]

40 lines of code
12 McCabe index (conditional complexity)


func parseMultipart(userDataReader *multipart.Reader) (*internalapi.NodeConfig, error) {
	var nodeConfigs []*internalapi.NodeConfig
	for {
		part, err := userDataReader.NextPart()
		if err == io.EOF {
			break
		}
		if err != nil {
			return nil, err
		}
		if partHeader := part.Header.Get(contentTypeHeader); len(partHeader) > 0 {
			mediaType, _, err := mime.ParseMediaType(partHeader)
			if err != nil {
				return nil, err
			}
			if mediaType == nodeConfigMediaType {
				nodeConfigPart, err := io.ReadAll(part)
				if err != nil {
					return nil, err
				}
				decodedConfig, err := apibridge.DecodeNodeConfig(nodeConfigPart)
				if err != nil {
					return nil, err
				}
				nodeConfigs = append(nodeConfigs, decodedConfig)
			}
		}
	}
	if len(nodeConfigs) > 0 {
		config := nodeConfigs[0]
		for _, nodeConfig := range nodeConfigs[1:] {
			if err := config.Merge(nodeConfig); err != nil {
				return nil, err
			}
		}
		return config, nil
	} else {
		return nil, fmt.Errorf("Could not find NodeConfig within UserData")
	}
}