Added code documentation

main.go

@@ -25,7 +25,7 @@ func main() {
 		{
 			Name:   "run",
 			Usage:  "Run a script and report to the Homie server",
-			Action: mqttstuff,
+			Action: cmdRun,
 		},
 	}
 

run.go

@@ -1,9 +1,10 @@
 package main
+
 import (
 	"strconv"
 	"bytes"
 	"log"
-    "net"
+	"net"
 	"os"
 	"time"
 	"os/exec"
@@ -13,8 +14,7 @@ import (
 	"github.com/urfave/cli"
 )
 
-
-// Get preferred outbound ip of this machine
+//GetOutboundIP Gets the preferred outbound ip of this machine
 func GetOutboundIP() net.IP {
     conn, err := net.Dial("udp", "8.8.8.8:80")
     if err != nil {
@@ -27,7 +27,7 @@ func GetOutboundIP() net.IP {
     return localAddr.IP
 }
 
-//Get the Mac address 
+//getMacAddr fetches the first avaible Mac address 
 func getMacAddr() (addr string) {
 	interfaces, err := net.Interfaces()
 	if err == nil {
@@ -42,7 +42,7 @@ func getMacAddr() (addr string) {
 	return
 }
 
-//Publish a message and wait for confirmation
+//SyncPublish Synchronous publish an MQTT topic and wait for confirmation
 func SyncPublish(client mqtt.Client, topic string, qos byte, retained bool, payload interface{}) {
 
 	hostname, _ := os.Hostname()
@@ -54,7 +54,8 @@ func SyncPublish(client mqtt.Client, topic string, qos byte, retained bool, payl
 	}
 }
 
-func mqttstuff(cli *cli.Context) {
+//cmdRun Command handler for the run command
+func cmdRun(cli *cli.Context) {
 	clientid := uuid.New()
 
 	command := "";
@@ -120,5 +121,5 @@ func mqttstuff(cli *cli.Context) {
 
 	client.Disconnect(1000) //Wait one second to disconnect
 	log.Println("Disconnected")
- }
+}