extra logging

command/agent/plugins.go

@@ -56,7 +56,7 @@ func (a *Agent) internalPluginConfigs() (map[loader.PluginID]*loader.InternalPlu
 
 	for id, reg := range catalog {
 		if reg.Config == nil {
-			a.logger.Warn("skipping loading internal plugin because it is missing its configuration", "plugin", id)
+			a.logger.Error("skipping loading internal plugin because it is missing its configuration", "plugin", id)
 			continue
 		}
 

plugins/shared/loader/init.go

@@ -156,6 +156,7 @@ func (l *PluginLoader) scan() ([]os.FileInfo, error) {
 	if err != nil {
 		// There are no plugins to scan
 		if os.IsNotExist(err) {
+			l.logger.Debug("skipping external plugins since plugin_dir doesn't exist")
 			return nil, nil
 		}