From 240e48d8b6b5c4feefae1695eb8095f989fdcf8f Mon Sep 17 00:00:00 2001
From: Mark Phelps <209477+markphelps@users.noreply.github.com>
Date: Tue, 30 Apr 2024 14:02:06 -0400
Subject: [PATCH] fix: sampling ratio yaml config

---
 internal/config/testdata/tracing/otlp.yml                 | 2 +-
 internal/config/testdata/tracing/wrong_sampling_ratio.yml | 2 +-
 internal/config/tracing.go                                | 8 ++++----
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/internal/config/testdata/tracing/otlp.yml b/internal/config/testdata/tracing/otlp.yml
index 15a1125ee7..942098392b 100644
--- a/internal/config/testdata/tracing/otlp.yml
+++ b/internal/config/testdata/tracing/otlp.yml
@@ -1,7 +1,7 @@
 tracing:
   enabled: true
   exporter: otlp
-  samplingRatio: 0.5
+  sampling_ratio: 0.5
   otlp:
     endpoint: http://localhost:9999
     headers:
diff --git a/internal/config/testdata/tracing/wrong_sampling_ratio.yml b/internal/config/testdata/tracing/wrong_sampling_ratio.yml
index 12d40e4a00..f52714ac7c 100644
--- a/internal/config/testdata/tracing/wrong_sampling_ratio.yml
+++ b/internal/config/testdata/tracing/wrong_sampling_ratio.yml
@@ -1,3 +1,3 @@
 tracing:
   enabled: true
-  samplingRatio: 1.1
+  sampling_ratio: 1.1
diff --git a/internal/config/tracing.go b/internal/config/tracing.go
index f771ddde81..aaacca142f 100644
--- a/internal/config/tracing.go
+++ b/internal/config/tracing.go
@@ -17,7 +17,7 @@ type TracingConfig struct {
 	Enabled       bool                `json:"enabled" mapstructure:"enabled" yaml:"enabled"`
 	Exporter      TracingExporter     `json:"exporter,omitempty" mapstructure:"exporter" yaml:"exporter,omitempty"`
 	Propagators   []TracingPropagator `json:"propagators,omitempty" mapstructure:"propagators" yaml:"propagators,omitempty"`
-	SamplingRatio float64             `json:"samplingRatio,omitempty" mapstructure:"samplingRatio" yaml:"samplingRatio,omitempty"`
+	SamplingRatio float64             `json:"samplingRatio,omitempty" mapstructure:"samplingRatio" yaml:"sampling_ratio,omitempty"`
 	Jaeger        JaegerTracingConfig `json:"jaeger,omitempty" mapstructure:"jaeger" yaml:"jaeger,omitempty"`
 	Zipkin        ZipkinTracingConfig `json:"zipkin,omitempty" mapstructure:"zipkin" yaml:"zipkin,omitempty"`
 	OTLP          OTLPTracingConfig   `json:"otlp,omitempty" mapstructure:"otlp" yaml:"otlp,omitempty"`
@@ -25,9 +25,9 @@ type TracingConfig struct {
 
 func (c *TracingConfig) setDefaults(v *viper.Viper) error {
 	v.SetDefault("tracing", map[string]any{
-		"enabled":       false,
-		"exporter":      TracingJaeger,
-		"samplingRatio": 1,
+		"enabled":        false,
+		"exporter":       TracingJaeger,
+		"sampling_ratio": 1,
 		"propagators": []TracingPropagator{
 			TracingPropagatorTraceContext,
 			TracingPropagatorBaggage,