diff options
author | Simon Hauser <simon.hauser@helsinki-systems.de> | 2024-06-27T08·27+0200 |
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committer | Simon Hauser <simon.hauser@helsinki-systems.de> | 2024-07-02T13·43+0000 |
commit | 618aacaa61972c3e25b8c996abfa1d4dc475154e (patch) | |
tree | 7fc41bff9ed6e21b36d6768ffd457590f89dba6e /tvix/tracing/src/propagate/reqwest.rs | |
parent | 7f8da5e6a9926170be2fefc1db847166e5631f16 (diff) |
feat(tvix/tracing): http trace propagation r/8339
Introduces a helper function within tvix-tracing that returns a reqwest tracing middleware that will ingest the traceparent if otlp is enabled. It is feature flagged in tvix-tracing so not every consumer of that library automatically has reqwest in its dependencies. Tested using netcat to verify that the `traceparent` header is there if otlp is enabled and missing if otlp feature is disabled. Change-Id: I5abccae777b725f5ff7382e3686165383c477a39 Reviewed-on: https://cl.tvl.fyi/c/depot/+/11886 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
Diffstat (limited to '')
-rw-r--r-- | tvix/tracing/src/propagate/reqwest.rs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tvix/tracing/src/propagate/reqwest.rs b/tvix/tracing/src/propagate/reqwest.rs new file mode 100644 index 000000000000..e2afb3e948c7 --- /dev/null +++ b/tvix/tracing/src/propagate/reqwest.rs @@ -0,0 +1,13 @@ +use reqwest_tracing::{SpanBackendWithUrl, TracingMiddleware}; + +/// Returns a new tracing middleware which can be used with reqwest_middleware. +/// It will then write the `traceparent` in the header on the request and additionally records the +/// `url` into `http.url`. +/// +/// If otlp feature is disabled, this will not insert a `traceparent` into the header. It will +/// basically function as a noop. +/// +/// `traceparent` => https://www.w3.org/TR/trace-context/#trace-context-http-headers-format +pub fn tracing_middleware() -> TracingMiddleware<SpanBackendWithUrl> { + TracingMiddleware::<SpanBackendWithUrl>::new() +} |