func marshalResponse(response Response, maxResponseLength int, logger boshlog.Logger) ([]byte, error) {
respJSON, err := json.Marshal(response)
if err != nil {
logger.Error(mbusHandlerLogTag, "Failed to marshal response: %s", err.Error())
return respJSON, bosherr.WrapError(err, "Marshalling JSON response")
}
if maxResponseLength == UnlimitedResponseLength {
return respJSON, nil
}
if len(respJSON) > maxResponseLength {
respJSON, err = json.Marshal(response.Shorten())
if err != nil {
logger.Error(mbusHandlerLogTag, "Failed to marshal response: %s", err.Error())
return respJSON, bosherr.WrapError(err, "Marshalling JSON response")
}
}
if len(respJSON) > maxResponseLength {
respJSON, err = BuildErrorWithJSON(responseMaxLengthErrMsg, logger)
if err != nil {
logger.Error(mbusHandlerLogTag, "Failed to build 'max length exceeded' response: %s", err.Error())
return respJSON, bosherr.WrapError(err, "Building error")
}
}
return respJSON, nil
}
func ensureNoErr(logger boshlog.Logger, errPrefix string, err error) {
if err != nil {
logger.Error(mainLogTag, "%s: %s", errPrefix, err)
os.Exit(1)
}
}