andlinks=true data-repo=istio>def getForwardHeaders(request):
    headers = {}

    # x-b3-*** headers can be populated using the opentracing span
    span = get_current_span()
    carrier = {}
    tracer.inject(
        span_context=span.context,
        format=Format.HTTP_HEADERS,
        carrier=carrier)

    headers.update(carrier)

    # ...

    incoming_headers = [&#39;x-request-id&#39;, &#39;x-datadog-trace-id&#39;, &#39;x-datadog-parent-id&#39;, &#39;x-datadog-sampled&#39;]

    # ...

    for ihdr