return path.Join(config, lightstepAccessTokenBase)
}

func getNodeMetadataOptions(node *model.Node, policy string) []option.Instance {
	// Add locality options.
	opts := getLocalityOptions(node.Locality)

	opts = append(opts, getStatsOptions(node.Metadata)...)

	opts = append(opts,
		option.NodeMetadata(node.Metadata, node.RawMetadata),