add logging for host

main.go

@@ -337,6 +337,8 @@ type HostConfig struct {
 	ID       string   `xml:"id"`
 	Hostname string   `xml:"hostname"`
 
+	Log LogConfig `xml:"log"`
+
 	Heartbeat int `xml:"heartbeat"`
 
 	Options []struct {
@@ -522,6 +524,9 @@ func hostMain() {
 		os.Exit(1)
 	}
 
+	// setup logging
+	setupLogging(config.Log)
+
 	// daemonize if needed
 	if daemonize {
 		becomeDaemon()