Clean up config package

config/database.go

@@ -99,12 +99,12 @@ func (s *StorageInterface) Query(q *query.Query, local, internal bool) (*iterato
 		}
 	}
 
-	go s.processQuery(q, it, opts)
+	go s.processQuery(it, opts)
 
 	return it, nil
 }
 
-func (s *StorageInterface) processQuery(q *query.Query, it *iterator.Iterator, opts []*Option) {
+func (s *StorageInterface) processQuery(it *iterator.Iterator, opts []*Option) {
 
 	sort.Sort(sortableOptions(opts))
 

config/get.go

@@ -9,12 +9,6 @@ import (
 var (
 	validityFlag     = abool.NewBool(true)
 	validityFlagLock sync.RWMutex
-
-	tableLock sync.RWMutex
-
-	stringTable map[string]string
-	intTable    map[string]int
-	boolTable   map[string]bool
 )
 
 type (

config/layers.go

@@ -20,7 +20,7 @@ var (
 	// ErrInvalidOptionType is returned by SetConfigOption and SetDefaultConfigOption if given an unsupported option type.
 	ErrInvalidOptionType = errors.New("invalid option value type")
 
-	changedSignal = make(chan struct{}, 0)
+	changedSignal = make(chan struct{})
 )
 
 // Changed signals if any config option was changed.
@@ -34,7 +34,7 @@ func Changed() <-chan struct{} {
 func triggerChange() {
 	// must be locked!
 	close(changedSignal)
-	changedSignal = make(chan struct{}, 0)
+	changedSignal = make(chan struct{})
 }
 
 // setConfig sets the (prioritized) user defined config.
@@ -141,7 +141,7 @@ func setConfigOption(name string, value interface{}, push bool) error {
 
 	if err == nil {
 		resetValidityFlag()
-		go saveConfig()
+		go saveConfig() //nolint:errcheck // error is logged
 		triggerChange()
 	}
 

config/layers_test.go

@@ -1,3 +1,4 @@
+//nolint:goconst,errcheck
 package config
 
 import "testing"

config/option.go

@@ -39,16 +39,19 @@ func getTypeName(t uint8) string {
 
 // Option describes a configuration option.
 type Option struct {
-	Name            string
-	Key             string // category/sub/key
-	Description     string
+	Name        string
+	Key         string // in path format: category/sub/key
+	Description string
+
 	ExpertiseLevel  uint8
 	OptType         uint8
+	RequiresRestart bool
 	DefaultValue    interface{}
+
 	ExternalOptType string
 	ValidationRegex string
-	RequiresRestart bool
-	compiledRegex   *regexp.Regexp
+
+	compiledRegex *regexp.Regexp
 }
 
 // Export expors an option to a Record.