func verifyContainerMetadata(containerMetadataRawMsg json.RawMessage) error {
	containerMetadataMap := make(map[string]json.RawMessage)
	json.Unmarshal(containerMetadataRawMsg, &containerMetadataMap)

	if containerMetadataMap["Name"] == nil {
		return notEmptyErrMsg("Name")
	}

	var actualContainerName string
	json.Unmarshal(containerMetadataMap["Name"], &actualContainerName)

	if actualContainerName != containerName {
		return fmt.Errorf("incorrect container name, expected %s, received %s",
			containerName, actualContainerName)
	}

	if containerMetadataMap["DockerId"] == nil {
		return notEmptyErrMsg("DockerId")
	}

	if containerMetadataMap["DockerName"] == nil {
		return notEmptyErrMsg("DockerName")
	}

	if containerMetadataMap["Volumes"] == nil {
		return notEmptyErrMsg("Volumes")
	}

	return nil
}
func verifyContainerMetadata(containerMetadataRawMsg json.RawMessage) error {
	containerMetadataMap := make(map[string]json.RawMessage)
	json.Unmarshal(containerMetadataRawMsg, &containerMetadataMap)

	if containerMetadataMap["Name"] == nil {
		return notEmptyErrMsg("Name")
	}

	var actualContainerName string
	json.Unmarshal(containerMetadataMap["Name"], &actualContainerName)

	if actualContainerName != containerName {
		return fmt.Errorf("incorrect container name, expected %s, received %s",
			containerName, actualContainerName)
	}

	if containerMetadataMap["DockerId"] == nil {
		return notEmptyErrMsg("DockerId")
	}

	if containerMetadataMap["DockerName"] == nil {
		return notEmptyErrMsg("DockerName")
	}

	if containerMetadataMap["Volumes"] == nil {
		return notEmptyErrMsg("Volumes")
	}

	return nil
}
// verifyContainerMetadata verifies the container name of the container metadata,
// and each necessary field is not empty.