option.EnvoyExtraStatTags(extraStatTags),
		option.EnvoyHistogramBuckets(buckets),
		option.EnvoyStatsCompression(compression),
	}
}

func lightstepAccessTokenFile(config string) string {
	return path.Join(config, lightstepAccessTokenBase)
}

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

				t.Logf("difference: %s", diff)
				t.Fatalf("\n got: %s\nwant: %s", prettyPrint(read), prettyPrint(jgolden))
			}

			// Check if the LightStep access token file exists
			_, err = os.Stat(lightstepAccessTokenFile(path.Dir(fn)))
			if c.expectLightstepAccessToken {
				if os.IsNotExist(err) {
					t.Error("expected to find a LightStep access token file but none found")
				} else if err != nil {