From 9658d3e5804ab1e2180a70b6b19386592731fd78 Mon Sep 17 00:00:00 2001
From: Renaud Chaput <renchap@gmail.com>
Date: Mon, 20 May 2024 10:01:04 +0200
Subject: [PATCH] Use the job class as span name for Sidekiq root spans
 (#30353)

---
 config/initializers/opentelemetry.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/config/initializers/opentelemetry.rb b/config/initializers/opentelemetry.rb
index 9af0ab89c8..cf9f0b96f3 100644
--- a/config/initializers/opentelemetry.rb
+++ b/config/initializers/opentelemetry.rb
@@ -51,6 +51,9 @@ if ENV.keys.any? { |name| name.match?(/OTEL_.*_ENDPOINT/) }
         use_rack_events: false, # instead of events, use middleware; allows for untraced_endpoints to ignore child spans
         untraced_endpoints: ['/health'],
       },
+      'OpenTelemetry::Instrumentation::Sidekiq' => {
+        span_naming: :job_class, # Use the job class as the span name, otherwise this is the queue name and not very helpful
+      },
     })
 
     prefix = ENV.fetch('OTEL_SERVICE_NAME_PREFIX', 'mastodon')