finish extra common tags clarity (#112)

Author: copperlight

spectator/config.go

@@ -9,9 +9,9 @@ import (
 
 // Config represents the Registry's configuration.
 type Config struct {
-	location   string
-	commonTags map[string]string
-	log        logger.Logger
+	location        string
+	extraCommonTags map[string]string
+	log             logger.Logger
 }
 
 // NewConfig creates a new configuration with the provided location, extra common tags, and logger. All fields are
@@ -47,9 +47,9 @@ func NewConfig(
 	lg := calculateLogger(log)
 
 	return &Config{
-		location:   location,
-		commonTags: mergedTags,
-		log:        lg,
+		location:        location,
+		extraCommonTags: mergedTags,
+		log:             lg,
 	}, nil
 }
 

spectator/registry.go

@@ -74,7 +74,7 @@ func NewRegistry(config *Config) (Registry, error) {
 		return nil, err
 	}
 
-	config.log.Infof("Create Registry with extra commonTags=%v", config.commonTags)
+	config.log.Infof("Create Registry with extraCommonTags=%v", config.extraCommonTags)
 
 	r := &spectatordRegistry{
 		config: config,
@@ -90,12 +90,12 @@ func (r *spectatordRegistry) GetLogger() logger.Logger {
 	return r.logger
 }
 
-// NewId calls meters.NewId() and adds the commonTags registered in the config.
+// NewId calls meters.NewId() and adds the extraCommonTags registered in the config.
 func (r *spectatordRegistry) NewId(name string, tags map[string]string) *meter.Id {
 	newId := meter.NewId(name, tags)
 
-	if r.config.commonTags != nil && len(r.config.commonTags) > 0 {
-		newId = newId.WithTags(r.config.commonTags)
+	if r.config.extraCommonTags != nil && len(r.config.extraCommonTags) > 0 {
+		newId = newId.WithTags(r.config.extraCommonTags)
 	}
 
 	return newId