From 40962766639f3a936691043e1920193e29783972 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robert=20Paj=C4=85k?= <pellared@hotmail.com>
Date: Wed, 7 Dec 2022 17:48:08 +0100
Subject: [PATCH] Make OTEL_TRACES_SAMPLER_ARG parsing locale invariant (#1722)

---
 .../Configuration/TracerSamplerHelper.cs                      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/OpenTelemetry.AutoInstrumentation/Configuration/TracerSamplerHelper.cs b/src/OpenTelemetry.AutoInstrumentation/Configuration/TracerSamplerHelper.cs
index a2290f5e1..152772585 100644
--- a/src/OpenTelemetry.AutoInstrumentation/Configuration/TracerSamplerHelper.cs
+++ b/src/OpenTelemetry.AutoInstrumentation/Configuration/TracerSamplerHelper.cs
@@ -14,6 +14,7 @@
 // limitations under the License.
 // </copyright>
 
+using System.Globalization;
 using OpenTelemetry.Trace;
 
 namespace OpenTelemetry.AutoInstrumentation.Configuration;
@@ -47,7 +48,8 @@ internal static class TracerSamplerHelper
 
         var ratio = defaultRatio;
 
-        if (double.TryParse(arguments, out var parsedRatio) && parsedRatio >= 0.0 && parsedRatio <= 1.0)
+        if (double.TryParse(arguments, NumberStyles.Any, CultureInfo.InvariantCulture, out var parsedRatio)
+            && parsedRatio >= 0.0 && parsedRatio <= 1.0)
         {
             ratio = parsedRatio;
         }