feat: Improve error logging on plugin initialization (#10307)

agent/agent.go

@@ -196,28 +196,28 @@ func (a *Agent) initPlugins() error {
 		err := processor.Init()
 		if err != nil {
 			return fmt.Errorf("could not initialize processor %s: %v",
-				processor.Config.Name, err)
+				processor.LogName(), err)
 		}
 	}
 	for _, aggregator := range a.Config.Aggregators {
 		err := aggregator.Init()
 		if err != nil {
 			return fmt.Errorf("could not initialize aggregator %s: %v",
-				aggregator.Config.Name, err)
+				aggregator.LogName(), err)
 		}
 	}
 	for _, processor := range a.Config.AggProcessors {
 		err := processor.Init()
 		if err != nil {
 			return fmt.Errorf("could not initialize processor %s: %v",
-				processor.Config.Name, err)
+				processor.LogName(), err)
 		}
 	}
 	for _, output := range a.Config.Outputs {
 		err := output.Init()
 		if err != nil {
 			return fmt.Errorf("could not initialize output %s: %v",
-				output.Config.Name, err)
+				output.LogName(), err)
 		}
 	}
 	return nil