appNsInst      namespace.Instance
)

const (
	TraceHeader = "x-client-trace-id"
)

func GetIstioInstance() *istio.Instance {
	return &ist
}

// GetAppNamespace gets echo app namespace instance.
func GetAppNamespace() namespace.Instance {
	return appNsInst
}

func GetIngressInstance() ingress.Instance {
	return ingInst
}

func GetZipkinInstance() zipkin.Instance {
	return zipkinInst
}

func TestServerTracing(t *testing.T) {
	framework.NewTest(t).
		Run(func(t framework.TestContext) {
			appNsInst := tracing.GetAppNamespace()
			for _, cluster := range t.Clusters().ByNetwork()[t.Clusters().Default().NetworkName()] {
				t.NewSubTest(cluster.StableName()).Run(func(t framework.TestContext) {
					retry.UntilSuccessOrFail(t, func() error {

func TestClientTracing(t *testing.T) {
	framework.NewTest(t).
		Run(func(t framework.TestContext) {
			appNsInst := tracing.GetAppNamespace()
			for _, cluster := range t.Clusters().ByNetwork()[t.Clusters().Default().NetworkName()] {
				cluster := cluster
				t.NewSubTest(cluster.StableName()).Run(func(ctx framework.TestContext) {

			customAttribute: "provider=otel-grpc-with-res-detectors",
			cfgFile:         otelTracingResDetectorsCfg,
		},
	}

	framework.NewTest(t).
		Run(func(ctx framework.TestContext) {
			appNsInst := tracing.GetAppNamespace()

			for _, tc := range testcases {
				ctx.NewSubTest(tc.name).
					Run(func(ctx framework.TestContext) {
						// apply Telemetry resource with OTel provider