add flags for disabling discovery and controlling logging

cmd/tendrils/main.go

@@ -7,9 +7,20 @@ import (
 )
 
 func main() {
-	iface := flag.String("i", "", "interface to use (default: all interfaces)")
+	iface := flag.String("i", "", "interface to use")
+	noARP := flag.Bool("no-arp", false, "disable ARP discovery")
+	noLLDP := flag.Bool("no-lldp", false, "disable LLDP discovery")
+	noSNMP := flag.Bool("no-snmp", false, "disable SNMP discovery")
+	logTree := flag.Bool("log-tree", false, "log full tree on changes")
+	logReasons := flag.Bool("log-reasons", false, "log addition reasons")
 	flag.Parse()
 
-	t := tendrils.New(*iface)
+	t := tendrils.New()
+	t.Interface = *iface
+	t.DisableARP = *noARP
+	t.DisableLLDP = *noLLDP
+	t.DisableSNMP = *noSNMP
+	t.LogTree = *logTree
+	t.LogReasons = *logReasons
 	t.Run()
 }