tracing: Add B3 support in OpenCensus driver. (#7800)

Signed-off-by: Emil Mikulic <g-easy@users.noreply.github.com> Mirrored from https://github.com/envoyproxy/envoy @ c3a75316f2fa495fc7be36efd4f291445ac7b857
6 years ago · 803e444bf3
parent b75017977b
commit 803e444bf3
1 changed files with 3 additions and 0 deletions
--- a/envoy/config/trace/v2/trace.proto
+++ b/envoy/config/trace/v2/trace.proto
@ -150,6 +150,9 @@ message OpenCensusConfig {

    // "X-Cloud-Trace-Context:" header.
    CLOUD_TRACE_CONTEXT = 3;
+
+    // X-B3-* headers.
+    B3 = 4;
  }

  // List of incoming trace context headers we will accept. First one found