WIP commit

.gitignore

@@ -17,3 +17,4 @@ config/dnsconfig/
 data/
 .vscode/
 .idea/
+.vscode/

config/config.go

@@ -43,12 +43,14 @@ type ServerConfig struct {
 	GRPCHost              string `yaml:"grpchost"`
 	GRPCPort              string `yaml:"grpcport"`
 	GRPCSecure            string `yaml:"grpcsecure"`
+	MQHOST                string `yaml:"mqhost"`
 	MasterKey             string `yaml:"masterkey"`
 	DNSKey                string `yaml:"dnskey"`
 	AllowedOrigin         string `yaml:"allowedorigin"`
 	NodeID                string `yaml:"nodeid"`
 	RestBackend           string `yaml:"restbackend"`
 	AgentBackend          string `yaml:"agentbackend"`
+	MessageQueueBackend   string `yaml:"messagequeuebackend"`
 	ClientMode            string `yaml:"clientmode"`
 	DNSMode               string `yaml:"dnsmode"`
 	SplitDNS              string `yaml:"splitdns"`

go.mod

@@ -3,6 +3,7 @@ module github.com/gravitl/netmaker
 go 1.17
 
 require (
+	github.com/eclipse/paho.mqtt.golang v1.3.5
 	github.com/go-playground/validator/v10 v10.10.0
 	github.com/golang-jwt/jwt/v4 v4.2.0
 	github.com/golang/protobuf v1.5.2 // indirect
@@ -25,6 +26,7 @@ require (
 	google.golang.org/genproto v0.0.0-20210201151548-94839c025ad4 // indirect
 	google.golang.org/grpc v1.43.0
 	google.golang.org/protobuf v1.27.1
+	gopkg.in/ini.v1 v1.66.2
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
 )
 
@@ -32,9 +34,7 @@ require (
 	cloud.google.com/go v0.34.0 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/eclipse/paho.mqtt.golang v1.3.5 // indirect
 	github.com/felixge/httpsnoop v1.0.1 // indirect
-	github.com/go-ping/ping v0.0.0-20211130115550-779d1e919534 // indirect
 	github.com/go-playground/locales v0.14.0 // indirect
 	github.com/go-playground/universal-translator v0.18.0 // indirect
 	github.com/google/go-cmp v0.5.5 // indirect
@@ -46,7 +46,5 @@ require (
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/russross/blackfriday/v2 v2.0.1 // indirect
 	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
-	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
 	google.golang.org/appengine v1.4.0 // indirect
-	gopkg.in/ini.v1 v1.66.2 // indirect
 )

go.sum

@@ -36,8 +36,6 @@ github.com/felixge/httpsnoop v1.0.1 h1:lvB5Jl89CsZtGIWuTcDM1E/vkVs49/Ml7JJe07l8S
 github.com/felixge/httpsnoop v1.0.1/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
-github.com/go-ping/ping v0.0.0-20211130115550-779d1e919534 h1:dhy9OQKGBh4zVXbjwbxxHjRxMJtLXj3zfgpBYQaR4Q4=
-github.com/go-ping/ping v0.0.0-20211130115550-779d1e919534/go.mod h1:xIFjORFzTxqIV/tDVGO4eDy/bLuSyawEeojSm3GfRGk=
 github.com/go-playground/assert/v2 v2.0.1 h1:MsBgLAaY856+nPRTKrp3/OZK38U/wa0CcBYNjji3q3A=
 github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/locales v0.14.0 h1:u50s323jtVGugKlcYeyzC0etD1HifMjqmJqb8WugfUU=
@@ -194,7 +192,6 @@ golang.org/x/net v0.0.0-20201216054612-986b41b23924/go.mod h1:m0MpNAwzfU5UDzcl9v
 golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLdyRGr576XBO4/greRjx4P4O3yc=
 golang.org/x/net v0.0.0-20210504132125-bbd867fde50d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210726213435-c6fcb2dbf985 h1:4CSI6oo7cOjJKajidEljs9h+uP0rRZBPPPhcCbj5mw8=
 golang.org/x/net v0.0.0-20210726213435-c6fcb2dbf985/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
@@ -205,8 +202,6 @@ golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
-golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -228,7 +223,6 @@ golang.org/x/sys v0.0.0-20210123111255-9b0068b26619/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210216163648-f7da38b97c65/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210309040221-94ec62e08169/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210315160823-c6e025ad8005/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210503173754-0981d6026fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

main.go

@@ -10,6 +10,7 @@ import (
 	"strconv"
 	"sync"
 
+	mqtt "github.com/eclipse/paho.mqtt.golang"
 	"github.com/gravitl/netmaker/auth"
 	controller "github.com/gravitl/netmaker/controllers"
 	"github.com/gravitl/netmaker/database"
@@ -18,6 +19,7 @@ import (
 	"github.com/gravitl/netmaker/logger"
 	"github.com/gravitl/netmaker/logic"
 	"github.com/gravitl/netmaker/models"
+	"github.com/gravitl/netmaker/mq"
 	"github.com/gravitl/netmaker/netclient/ncutils"
 	"github.com/gravitl/netmaker/servercfg"
 	"github.com/gravitl/netmaker/serverctl"
@@ -105,8 +107,14 @@ func startControllers() {
 		go controller.HandleRESTRequests(&waitnetwork)
 	}
 
-	if !servercfg.IsAgentBackend() && !servercfg.IsRestBackend() {
-		logger.Log(0, "No Server Mode selected, so nothing is being served! Set either Agent mode (AGENT_BACKEND) or Rest mode (REST_BACKEND) to 'true'.")
+	//Run MessageQueue
+	if servercfg.IsMessageQueueBackend() {
+		waitnetwork.Add(1)
+		go runMessageQueue(&waitnetwork)
+	}
+
+	if !servercfg.IsAgentBackend() && !servercfg.IsRestBackend() && !servercfg.IsMessageQueueBackend() {
+		logger.Log(0, "No Server Mode selected, so nothing is being served! Set Agent mode (AGENT_BACKEND) or Rest mode (REST_BACKEND) or MessageQueue (MESSAGEQUEUE_BACKEND) to 'true'.")
 	}
 
 	waitnetwork.Wait()
@@ -158,6 +166,51 @@ func runGRPC(wg *sync.WaitGroup) {
 	logger.Log(0, "Closed DB connection.")
 }
 
+// Should we be using a context vice a waitgroup????????????
+func runMessageQueue(wg *sync.WaitGroup) {
+	defer wg.Done()
+	//refactor netclient.functions.SetupMQTT so can be called from here
+	//setupMQTT
+	opts := mqtt.NewClientOptions()
+	opts.AddBroker(servercfg.GetMessageQueueEndpoint())
+	logger.Log(0, "setting broker "+servercfg.GetMessageQueueEndpoint())
+	opts.SetDefaultPublishHandler(mq.DefaultHandler)
+	client := mqtt.NewClient(opts)
+	if token := client.Connect(); token.Wait() && token.Error() != nil {
+		logger.Log(0, "unable to connect to message queue broker, closing down")
+		return
+	}
+	//Set up Subscriptions
+	if token := client.Subscribe("#", 0, nil); token.Wait() && token.Error() != nil {
+		//should make constant for disconnect wait period
+		client.Disconnect(250)
+		logger.Log(0, "could not subscribe to message queue ...")
+		return
+	}
+	if token := client.Subscribe("ping/#", 0, mq.Ping); token.Wait() && token.Error() != nil {
+		client.Disconnect(240)
+		logger.Log(0, "ping sub failed")
+	}
+	if token := client.Subscribe("metrics/#", 0, mq.Metrics); token.Wait() && token.Error() != nil {
+		client.Disconnect(240)
+		logger.Log(0, "metrics sub failed")
+	}
+	if token := client.Subscribe("update/localaddress/#", 0, mq.LocalAddressUpdate); token.Wait() && token.Error() != nil {
+		client.Disconnect(240)
+		logger.Log(0, "metrics sub failed")
+	}
+	if token := client.Subscribe("update/ip/#", 0, mq.IPUpdate); token.Wait() && token.Error() != nil {
+		client.Disconnect(240)
+		logger.Log(0, "metrics sub failed")
+	}
+	if token := client.Subscribe("update/publickey/#", 0, mq.PublicKeyUpdate); token.Wait() && token.Error() != nil {
+		client.Disconnect(240)
+		logger.Log(0, "metrics sub failed")
+	}
+	for {
+	}
+}
+
 func authServerUnaryInterceptor() grpc.ServerOption {
 	return grpc.UnaryInterceptor(controller.AuthServerUnaryInterceptor)
 }

models/mqtt.go

@@ -3,9 +3,8 @@ package models
 import "golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 
 type PeerUpdate struct {
-	Network   string
-	Interface string
-	Peers     []wgtypes.Peer
+	Network string
+	Peers   []wgtypes.Peer
 }
 
 type KeyUpdate struct {

mq/mq.go

@@ -0,0 +1,197 @@
+package mq
+
+import (
+	"encoding/json"
+	"errors"
+	"log"
+	"net"
+	"strings"
+	"time"
+
+	mqtt "github.com/eclipse/paho.mqtt.golang"
+	"github.com/gravitl/netmaker/database"
+	"github.com/gravitl/netmaker/logger"
+	"github.com/gravitl/netmaker/logic"
+	"github.com/gravitl/netmaker/models"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+)
+
+var DefaultHandler mqtt.MessageHandler = func(client mqtt.Client, msg mqtt.Message) {
+	logger.Log(0, "MQTT Message: Topic: "+string(msg.Topic())+" Message: "+string(msg.Payload()))
+}
+
+var Metrics mqtt.MessageHandler = func(client mqtt.Client, msg mqtt.Message) {
+	logger.Log(0, "Metrics Handler")
+}
+
+var Ping mqtt.MessageHandler = func(client mqtt.Client, msg mqtt.Message) {
+	logger.Log(0, "Ping Handler")
+	//test code --- create a node if it doesn't exit for testing only
+	createnode := models.Node{PublicKey: "DM5qhLAE20PG9BbfBCger+Ac9D2NDOwCtY1rbYDLf34=", Name: "testnode",
+		Endpoint: "10.0.0.1", MacAddress: "01:02:03:04:05:06", Password: "password", Network: "skynet"}
+	if _, err := logic.GetNode("01:02:03:04:05:06", "skynet"); err != nil {
+		err := logic.CreateNode(&createnode)
+		if err != nil {
+			log.Println(err)
+		}
+	}
+	//end of test code
+	go func() {
+		mac, net, err := GetMacNetwork(msg.Topic())
+		if err != nil {
+			logger.Log(0, "error getting node.ID sent on ping topic ")
+			return
+		}
+		logger.Log(0, "ping recieved from "+mac+" on net "+net)
+		node, err := logic.GetNodeByMacAddress(net, mac)
+		if err != nil {
+			logger.Log(0, "mq-ping error getting node: "+err.Error())
+			record, err := database.FetchRecord(database.NODES_TABLE_NAME, mac+"###"+net)
+			if err != nil {
+				logger.Log(0, "error reading database ", err.Error())
+				return
+			}
+			logger.Log(0, "record from database")
+			logger.Log(0, record)
+			return
+		}
+		node.SetLastCheckIn()
+		// --TODO --set client version once feature is implemented.
+		//node.SetClientVersion(msg.Payload())
+	}()
+}
+
+var PublicKeyUpdate mqtt.MessageHandler = func(client mqtt.Client, msg mqtt.Message) {
+	logger.Log(0, "PublicKey Handler")
+	go func() {
+		logger.Log(0, "public key update "+msg.Topic())
+		key := string(msg.Payload())
+		mac, network, err := GetMacNetwork(msg.Topic())
+		if err != nil {
+			logger.Log(0, "error getting node.ID sent on "+msg.Topic()+" "+err.Error())
+		}
+		node, err := logic.GetNode(mac, network)
+		if err != nil {
+			logger.Log(0, "error retrieving node "+msg.Topic()+" "+err.Error())
+		}
+		node.PublicKey = key
+		node.SetLastCheckIn()
+		UpdatePeers(&node, client)
+	}()
+}
+
+var IPUpdate mqtt.MessageHandler = func(client mqtt.Client, msg mqtt.Message) {
+	go func() {
+		ip := string(msg.Payload())
+		logger.Log(0, "IPUpdate Handler")
+		mac, network, err := GetMacNetwork(msg.Topic())
+		logger.Log(0, "ipUpdate recieved from "+mac+" on net "+network)
+		if err != nil {
+			logger.Log(0, "error getting node.ID sent on update/ip topic ")
+			return
+		}
+		node, err := logic.GetNode(mac, network)
+		if err != nil {
+			logger.Log(0, "invalid ID recieved on update/ip topic: "+err.Error())
+			return
+		}
+		node.Endpoint = ip
+		node.SetLastCheckIn()
+		UpdatePeers(&node, client)
+	}()
+}
+
+func UpdatePeers(node *models.Node, client mqtt.Client) {
+	peersToUpdate, err := logic.GetPeers(node)
+	if err != nil {
+		logger.Log(0, "error retrieving peers")
+		return
+	}
+	for _, peerToUpdate := range peersToUpdate {
+		var peerUpdate models.PeerUpdate
+		peerUpdate.Network = node.Network
+
+		myPeers, err := logic.GetPeers(&peerToUpdate)
+		if err != nil {
+			logger.Log(0, "uable to get peers "+err.Error())
+			continue
+		}
+		for i, myPeer := range myPeers {
+			var allowedIPs []net.IPNet
+			var allowedIP net.IPNet
+			endpoint, err := net.ResolveUDPAddr("udp", myPeer.Address+":"+string(myPeer.ListenPort))
+			if err != nil {
+				logger.Log(0, "error setting endpoint for peer "+err.Error())
+			}
+			for _, ipString := range myPeer.AllowedIPs {
+				_, ipNet, _ := net.ParseCIDR(ipString)
+				allowedIP = *ipNet
+				allowedIPs = append(allowedIPs, allowedIP)
+			}
+			key, err := wgtypes.ParseKey(myPeer.PublicKey)
+			if err != nil {
+				logger.Log(0, "err parsing publickey")
+				continue
+			}
+			peerUpdate.Peers[i].PublicKey = key
+			peerUpdate.Peers[i].Endpoint = endpoint
+			peerUpdate.Peers[i].PersistentKeepaliveInterval = time.Duration(myPeer.PersistentKeepalive)
+			peerUpdate.Peers[i].AllowedIPs = allowedIPs
+			peerUpdate.Peers[i].ProtocolVersion = 0
+		}
+		//PublishPeerUpdate(my)
+		data, err := json.Marshal(peerUpdate)
+		if err != nil {
+			logger.Log(0, "err marshalling data for peer update "+err.Error())
+		}
+		if token := client.Publish("update/peers/"+peerToUpdate.ID, 0, false, data); token.Wait() && token.Error() != nil {
+			logger.Log(0, "error publishing peer update "+token.Error().Error())
+		}
+		client.Disconnect(250)
+	}
+}
+
+var LocalAddressUpdate mqtt.MessageHandler = func(client mqtt.Client, msg mqtt.Message) {
+	logger.Log(0, "LocalAddressUpdate Handler")
+	go func() {
+		logger.Log(0, "LocalAddressUpdate handler")
+		mac, net, err := GetMacNetwork(msg.Topic())
+		if err != nil {
+			logger.Log(0, "error getting node.ID "+msg.Topic())
+			return
+		}
+		node, err := logic.GetNode(mac, net)
+		if err != nil {
+			logger.Log(0, "error get node "+msg.Topic())
+			return
+		}
+		node.LocalAddress = string(msg.Payload())
+		node.SetLastCheckIn()
+	}()
+}
+
+func GetMacNetwork(topic string) (string, string, error) {
+	parts := strings.Split(topic, "/")
+	count := len(parts)
+	if count == 1 {
+		return "", "", errors.New("invalid topic")
+	}
+	macnet := strings.Split(parts[count-1], "---")
+	if len(macnet) != 2 {
+		return "", "", errors.New("topic id not in mac---network format")
+	}
+	return macnet[0], macnet[1], nil
+}
+
+func GetID(topic string) (string, error) {
+	parts := strings.Split(topic, "/")
+	count := len(parts)
+	if count == 1 {
+		return "", errors.New("invalid topic")
+	}
+	macnet := strings.Split(parts[count-1], "---")
+	if len(macnet) != 2 {
+		return "", errors.New("topic id not in mac---network format")
+	}
+	return macnet[0] + "###" + macnet[1], nil
+}

netclient/functions/daemon.go

@@ -100,7 +100,7 @@ var NodeUpdate mqtt.MessageHandler = func(client mqtt.Client, msg mqtt.Message)
 		//check if interface name has changed if so delete.
 		if cfg.Node.Interface != newNode.Interface {
 			if err = wireguard.RemoveConf(cfg.Node.Interface, true); err != nil {
-				ncutils.PrintLog("could not delete old interface "+cfg.Node.Interface+": ", err.Error(), 1)
+				ncutils.PrintLog("could not delete old interface "+cfg.Node.Interface+": "+err.Error(), 1)
 			}
 		}
 		newNode.PullChanges = "no"
@@ -109,12 +109,12 @@ var NodeUpdate mqtt.MessageHandler = func(client mqtt.Client, msg mqtt.Message)
 		cfg.Node = newNode
 		switch newNode.Action {
 		case models.NODE_DELETE:
-			if err := RemoveLocalInstance(cfg, cfg.Network); err != nil {
-				ncutils.Printlog("error deleting local instance: "+err.Error(), 1)
+			if err := RemoveLocalInstance(&cfg, cfg.Network); err != nil {
+				ncutils.PrintLog("error deleting local instance: "+err.Error(), 1)
 				return
 			}
 		case models.NODE_UPDATE_KEY:
-			UpdateKeys(cfg)
+			UpdateKeys(&cfg, client)
 		case models.NODE_NOOP:
 		default:
 		}
@@ -123,12 +123,12 @@ var NodeUpdate mqtt.MessageHandler = func(client mqtt.Client, msg mqtt.Message)
 			ncutils.PrintLog("error updating node configuration: "+err.Error(), 1)
 		}
 		nameserver := cfg.Server.CoreDNSAddr
-		privateKey, err := wireguard.RetrievePrivKey(data.Network)
+		privateKey, err := wireguard.RetrievePrivKey(newNode.Network)
 		if err != nil {
 			ncutils.Log("error reading PrivateKey " + err.Error())
 			return
 		}
-		if err := wireguard.UpdateWgInterface(cfg.Node.Interface, privateKey, nameserver, data); err != nil {
+		if err := wireguard.UpdateWgInterface(cfg.Node.Interface, privateKey, nameserver, newNode); err != nil {
 			ncutils.Log("error updating wireguard config " + err.Error())
 			return
 		}
@@ -177,7 +177,7 @@ func UpdateKeys(cfg *config.ClientConfig, client mqtt.Client) (*config.ClientCon
 		ncutils.Log("error generating privatekey " + err.Error())
 		return cfg, err
 	}
-	if err := wireguard.UpdatePrivateKey(data.Interface, key.String()); err != nil {
+	if err := wireguard.UpdatePrivateKey(cfg.Node.Interface, key.String()); err != nil {
 		ncutils.Log("error updating wireguard key " + err.Error())
 		return cfg, err
 	}

servercfg/serverconf.go

@@ -244,6 +244,18 @@ func GetGRPCPort() string {
 	return grpcport
 }
 
+// GetMessageQueueEndpoint - gets the message queue endpoint
+func GetMessageQueueEndpoint() string {
+	host, _ := GetPublicIP()
+	if os.Getenv("MQ_HOST") != "" {
+		host = os.Getenv("MQ_HOST")
+	} else if config.Config.Server.MQHOST != "" {
+		host = config.Config.Server.MQHOST
+	}
+	//Do we want MQ port configurable???
+	return host + ":1883"
+}
+
 // GetMasterKey - gets the configured master key of server
 func GetMasterKey() string {
 	key := "secretkey"
@@ -307,6 +319,21 @@ func IsAgentBackend() bool {
 	return isagent
 }
 
+// IsMessageQueueBackend - checks if message queue is on or off
+func IsMessageQueueBackend() bool {
+	ismessagequeue := true
+	if os.Getenv("MESSAGEQUEUE_BACKEND") != "" {
+		if os.Getenv("MESSAGEQUEUE_BACKEND") == "off" {
+			ismessagequeue = false
+		}
+	} else if config.Config.Server.MessageQueueBackend != "" {
+		if config.Config.Server.MessageQueueBackend == "off" {
+			ismessagequeue = false
+		}
+	}
+	return ismessagequeue
+}
+
 // IsClientMode - checks if it should run in client mode
 func IsClientMode() string {
 	isclient := "on"