cleanup devnull

config.yml

@@ -41,13 +41,16 @@ pipelines:
       normalize:
         qname-lowercase: true
     routing-policy:
-      forward: [ console ]
+      forward: [ hole ]
       dropped: [ ]
 
   - name: console
     stdout:
       mode: text
 
+  - name: hole
+    devnull: {}
+
 ################################################
 # DEPRECATED - multiplexer configuration
 #   more details: https://github.com/dmachard/go-dnscollector/blob/main/docs/running_mode.md#multiplexer

docs/loggers/logger_devnull.md

@@ -13,3 +13,11 @@ Default values:
 devnull:
   chan-buffer-size: 0
 ```
+
+Example
+
+```yaml
+pipelines:
+  - name: hole
+    devnull: {}
+```

pkgconfig/loggers.go

@@ -9,9 +9,8 @@ import (
 
 type ConfigLoggers struct {
 	DevNull struct {
-		Enable            bool   `yaml:"enable" default:"false"`
-		Mode              string `yaml:"mode" default:"text"`
-		ChannelBufferSize int    `yaml:"chan-buffer-size" default:"0"`
+		Enable            bool `yaml:"enable" default:"false"`
+		ChannelBufferSize int  `yaml:"chan-buffer-size" default:"0"`
 	} `yaml:"devnull"`
 	Stdout struct {
 		Enable            bool   `yaml:"enable" default:"false"`

workers/devnull.go

@@ -23,14 +23,11 @@ func (w *DevNull) StartCollect() {
 	w.LogInfo("starting data collection")
 	defer w.CollectDone()
 
-	// goroutine to process transformed dns messages
-	go w.StartLogging()
-
 	// loop to process incoming messages
 	for {
 		select {
 		case <-w.OnStop():
-			w.StopLogger()
+			return
 
 		case _, opened := <-w.GetInputChannel():
 			if !opened {