squakez commented on code in PR #23534:
URL: https://github.com/apache/camel/pull/23534#discussion_r3309052182
##########
components/camel-micrometer-observability/src/main/docs/micrometer-observability.adoc:
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@@ -173,3 +171,30 @@ public void process(Exchange exchange) throws Exception {
mySpan.end();
}
----
+
+=== Baggage customization
+
+`Baggage` is a way to attach key-value metadata to a request and carry it
across service boundaries. In the context of telemetry technologies, baggage
travels along with the context (like trace/span), but it's meant for custom
data you define, not telemetry internals. Camel allows you to programmatically
provide any `Baggage` information via header settings. Whenever the component
finds an header defined as `MICROMETER_BAGGAGE_xyz` it will consider it as a
baggage variable named `xyz`. For example, in Java DSL:
+
+[source,java]
+----
+ from("direct:start")
+ .setHeader("MICROMETER_BAGGAGE_myValue",
constant("1234"))
Review Comment:
I changed to use a property now. Unfortunately we did not catch this
requirement in the `camel-opentelemetry2` where we already have implemented the
baggage via header instead. I am going to check if we can uniform that
development over there as well.
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