fix metadata data race

agent/agent.go

@@ -329,6 +329,31 @@ func NewAgent(options ...Option) (*Agent, error) {
 	}
 	agent.metadata[tags.Capabilities] = capabilities
 
+	enableRemoteConfig := false
+	if env.ScopeRunnerEnabled.Value {
+		// runner is enabled
+		capabilities[tags.Capabilities_RunnerCache] = true
+		if env.ScopeRunnerIncludeBranches.Value == nil && env.ScopeRunnerExcludeBranches.Value == nil {
+			// both include and exclude branches are not defined
+			enableRemoteConfig = true
+		} else if iBranch, ok := agent.metadata[tags.Branch]; ok {
+			branch := iBranch.(string)
+			included := sliceContains(env.ScopeRunnerIncludeBranches.Value, branch)
+			excluded := sliceContains(env.ScopeRunnerExcludeBranches.Value, branch)
+			enableRemoteConfig = included // By default we use the value inside the include slice
+			if env.ScopeRunnerExcludeBranches.Value != nil {
+				if included && excluded {
+					// If appears in both slices, write in the logger and disable the runner configuration
+					agent.logger.Printf("The branch '%v' appears in both included and excluded branches. The branch will be excluded.", branch)
+					enableRemoteConfig = false
+				} else {
+					// We enable the remote config if is include or not excluded
+					enableRemoteConfig = included || !excluded
+				}
+			}
+		}
+	}
+
 	if !agent.testingMode {
 		if env.ScopeTestingMode.IsSet {
 			agent.testingMode = env.ScopeTestingMode.Value
@@ -342,14 +367,15 @@ func NewAgent(options ...Option) (*Agent, error) {
 	}
 	agent.panicAsFail = agent.panicAsFail || env.ScopeTestingPanicAsFail.Value
 
-	if agent.debugMode {
-		agent.logMetadata()
-	}
-
 	agent.flushFrequency = nonTestingModeFrequency
 	if agent.testingMode {
 		agent.flushFrequency = testingModeFrequency
 	}
+
+	if agent.debugMode {
+		agent.logMetadata()
+	}
+
 	agent.recorder = NewSpanRecorder(agent)
 	var recorder tracer.SpanRecorder = agent.recorder
 	if agent.optionalRecorders != nil {
@@ -369,30 +395,6 @@ func NewAgent(options ...Option) (*Agent, error) {
 	instrumentation.SetTracer(agent.tracer)
 	instrumentation.SetLogger(agent.logger)
 	instrumentation.SetSourceRoot(sourceRoot)
-	enableRemoteConfig := false
-	if env.ScopeRunnerEnabled.Value {
-		// runner is enabled
-		capabilities[tags.Capabilities_RunnerCache] = true
-		if env.ScopeRunnerIncludeBranches.Value == nil && env.ScopeRunnerExcludeBranches.Value == nil {
-			// both include and exclude branches are not defined
-			enableRemoteConfig = true
-		} else if iBranch, ok := agent.metadata[tags.Branch]; ok {
-			branch := iBranch.(string)
-			included := sliceContains(env.ScopeRunnerIncludeBranches.Value, branch)
-			excluded := sliceContains(env.ScopeRunnerExcludeBranches.Value, branch)
-			enableRemoteConfig = included // By default we use the value inside the include slice
-			if env.ScopeRunnerExcludeBranches.Value != nil {
-				if included && excluded {
-					// If appears in both slices, write in the logger and disable the runner configuration
-					agent.logger.Printf("The branch '%v' appears in both included and excluded branches. The branch will be excluded.", branch)
-					enableRemoteConfig = false
-				} else {
-					// We enable the remote config if is include or not excluded
-					enableRemoteConfig = included || !excluded
-				}
-			}
-		}
-	}
 	if enableRemoteConfig {
 		instrumentation.SetRemoteConfiguration(agent.loadRemoteConfiguration())
 	}