From 280bfbeb824592d0567000f259ce4d6f4c2176a9 Mon Sep 17 00:00:00 2001
From: cn <cn@mycrobase.de>
Date: Fri, 13 Jul 2018 14:29:22 +0200
Subject: [PATCH] tracing: mark failed spans by catching and re-throwing
 StandardErrors

---
 lib/dyndnsd/helper.rb | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lib/dyndnsd/helper.rb b/lib/dyndnsd/helper.rb
index e5a75da..0184735 100644
--- a/lib/dyndnsd/helper.rb
+++ b/lib/dyndnsd/helper.rb
@@ -34,6 +34,16 @@ module Dyndnsd
       span.set_tag('span.kind', 'server')
       begin
         block.call(span)
+      rescue StandardError => e
+        span.set_tag('error', true)
+        span.log_kv(
+          event: 'error',
+          'error.kind': e.class.to_s,
+          'error.object': e,
+          message: e.message,
+          stack: e.backtrace.join("\n")
+        )
+        raise
       ensure
         scope.close
       end