Add listen config.

agent/agent.go

@@ -328,7 +328,7 @@ func (a *Agent) Run(shutdown chan struct{}) error {
 	// channel shared between all input threads for accumulating metrics
 	metricC := make(chan telegraf.Metric, 10000)
 	webserver := webserver.NewWebserver()
-	webserver.ServiceAddress = ":1619"
+	webserver.ServiceAddress = a.Config.Agent.WebhookServiceAddress
 
 	for _, input := range a.Config.Inputs {
 		// Start service of any ServicePlugins

internal/config/config.go

@@ -122,6 +122,9 @@ type AgentConfig struct {
 	Quiet        bool
 	Hostname     string
 	OmitHostname bool
+
+	//
+	WebhookServiceAddress  string
 }
 
 // Inputs returns a list of strings of the configured inputs.