fixing netclient join command

netclient/config/config.go

@@ -381,8 +381,9 @@ func GetCLIConfig(c *cli.Context) (ClientConfig, error){
                 cfg.Network = tokenvals[3]
                 cfg.Node.Network = tokenvals[3]
                 cfg.Server.AccessKey = tokenvals[4]
-                cfg.Node.LocalRange = tokenvals[5]
-
+                if len(tokenvals) > 4 {
+			cfg.Node.LocalRange = tokenvals[5]
+		}
 		if c.String("grpcserver") != "" {
 			cfg.Server.GRPCAddress = c.String("grpcserver")
 		}
@@ -412,22 +413,22 @@ func GetCLIConfig(c *cli.Context) (ClientConfig, error){
 	cfg.Node.Password = c.String("password")
 	cfg.Node.MacAddress = c.String("macaddress")
 	cfg.Node.LocalAddress = c.String("localaddress")
-	cfg.Node.LocalRange = c.String("localrange")
 	cfg.Node.WGAddress = c.String("address")
 	cfg.Node.WGAddress6 = c.String("addressIPV6")
-	cfg.Node.Roaming = c.String("")
-	cfg.Node.DNS = c.String("")
-	cfg.Node.IsLocal = c.String("")
-	cfg.Node.IsDualStack = c.String("")
-	cfg.Node.IsIngressGateway = c.String("")
-	cfg.Node.PostUp = c.String("")
-	cfg.Node.PostDown = c.String("")
-	cfg.Node.Port = int32(c.Int(""))
-	cfg.Node.KeepAlive = int32(c.Int(""))
-	cfg.Node.PublicKey = c.String("")
-	cfg.Node.PrivateKey = c.String("")
-	cfg.Node.Endpoint = c.String("")
-	cfg.Node.IPForwarding = c.String("")
+	cfg.Node.Roaming = c.String("roaming")
+	cfg.Node.DNS = c.String("dns")
+	cfg.Node.IsLocal = c.String("islocal")
+	cfg.Node.IsDualStack = c.String("isdualstack")
+	cfg.Node.PostUp = c.String("postup")
+	cfg.Node.PostDown = c.String("postdown")
+	cfg.Node.Port = int32(c.Int("port"))
+	cfg.Node.KeepAlive = int32(c.Int("keepalive"))
+	cfg.Node.PublicKey = c.String("publickey")
+	cfg.Node.PrivateKey = c.String("privatekey")
+	cfg.Node.Endpoint = c.String("endpoint")
+	cfg.Node.IPForwarding = c.String("ipforwarding")
+	cfg.OperatingSystem = c.String("operatingsystem")
+	cfg.Daemon = c.String("daemon")
 
 	return cfg, nil
 }

netclient/functions/common.go

@@ -309,15 +309,17 @@ func LeaveNetwork(network string) error {
 			)
 			if err != nil {
 				log.Printf("Encountered error deleting node: %v", err)
-				fmt.Println(err)
+				log.Println(err)
 			} else {
-				fmt.Println("delete node " + node.MacAddress + "from remote server on network " + node.Network)
+				log.Println("Removed machine from " + node.Network + " network on remote server")
 			}
 		}
 	}
 	err = local.WipeLocal(network)
 	if err != nil {
                 log.Printf("Unable to wipe local config: %v", err)
+	} else {
+		log.Println("Removed " + node.Network + " network locally")
 	}
 	if cfg.Daemon != "off" {
 		err =  local.RemoveSystemDServices(network)
@@ -336,13 +338,13 @@ func DeleteInterface(ifacename string, postdown string) error{
         }
         err = cmdIPLinkDel.Run()
         if  err  !=  nil {
-                fmt.Println(err)
+                log.Println(err)
         }
         if postdown != "" {
                 runcmds := strings.Split(postdown, "; ")
                 err = local.RunCmds(runcmds)
                 if err != nil {
-                        fmt.Println("Error encountered running PostDown: " + err.Error())
+                        log.Println("Error encountered running PostDown: " + err.Error())
                 }
         }
         return err
@@ -367,9 +369,9 @@ func List() error{
 					PublicEndpoint: cfg.Node.Endpoint,
 				}
 			jsoncfg, _ := json.Marshal(listconfig)
-			fmt.Println(network + ": " + string(jsoncfg))
+			log.Println(network + ": " + string(jsoncfg))
 		} else {
-			fmt.Println(network + ": Could not retrieve network configuration.")
+			log.Println(network + ": Could not retrieve network configuration.")
 		}
 	}
 	return nil

netclient/functions/join.go

@@ -6,6 +6,8 @@ import (
 	"context"
 	"log"
 	"net"
+	"math/rand"
+	"time"
         "github.com/gravitl/netmaker/netclient/config"
         "github.com/gravitl/netmaker/netclient/wireguard"
         "github.com/gravitl/netmaker/netclient/server"
@@ -20,7 +22,7 @@ import (
 func JoinNetwork(cfg config.ClientConfig) error {
 
 	hasnet := local.HasNetwork(cfg.Network)
-	if hasnet { 
+	if hasnet {
 		   err := errors.New("ALREADY_INSTALLED. Netclient appears to already be installed for cfg.Network " + cfg.Network + ". To re-install, please remove by executing 'sudo netclient -c remove -n " + cfg.Network + "'. Then re-run the install command.")
 		return err
 	}
@@ -35,9 +37,12 @@ func JoinNetwork(cfg config.ClientConfig) error {
 		return err
         }
         defer wgclient.Close()
-
+	if cfg.Node.Network == "" {
+		return errors.New("no network provided")
+	}
 	if cfg.Node.LocalRange != "" {
 	if cfg.Node.LocalAddress == "" {
+		log.Println("local vpn, getting local address from range: " + cfg.Node.LocalRange)
 		ifaces, err := net.Interfaces()
                 if err != nil {
                         return err
@@ -90,6 +95,9 @@ func JoinNetwork(cfg config.ClientConfig) error {
 		cfg.Node.LocalAddress = local
 	}
 	}
+	if cfg.Node.Password == "" {
+		cfg.Node.Password = GenPass()
+	}
         if cfg.Node.Endpoint == "" {
 		if cfg.Node.IsLocal == "yes" && cfg.Node.LocalAddress != "" {
 			cfg.Node.Endpoint = cfg.Node.LocalAddress
@@ -124,7 +132,12 @@ func JoinNetwork(cfg config.ClientConfig) error {
 			cfg.Node.MacAddress  = macs[0]
 		}
 	}
-
+	if cfg.Node.Port == 0 {
+		cfg.Node.Port, err = GetFreePort(51821)
+		if err != nil {
+			fmt.Printf("Error retrieving port: %v", err)
+		}
+	}
 	var wcclient nodepb.NodeServiceClient
 	var requestOpts grpc.DialOption
         requestOpts = grpc.WithInsecure()
@@ -214,3 +227,20 @@ func JoinNetwork(cfg config.ClientConfig) error {
 
 	return err
 }
+
+//generate an access key value
+func GenPass() string {
+
+        var seededRand *rand.Rand = rand.New(
+                rand.NewSource(time.Now().UnixNano()))
+
+        length := 16
+        charset := "abcdefghijklmnopqrstuvwxyz" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
+
+        b := make([]byte, length)
+        for i := range b {
+                b[i] = charset[seededRand.Intn(len(charset))]
+        }
+        return string(b)
+}
+

netclient/functions/register.go

@@ -13,7 +13,7 @@ import (
 	"encoding/json"
 	"net/http"
 	"errors"
-	"github.com/davecgh/go-spew/spew"
+//	"github.com/davecgh/go-spew/spew"
 )
 
 func Register(cfg config.GlobalConfig) error {
@@ -43,33 +43,34 @@ func Register(cfg config.GlobalConfig) error {
 	body := bytes.NewBuffer(jsonbytes)
 	publicaddress := cfg.Client.ServerPublicEndpoint + ":" + cfg.Client.ServerAPIPort
 
-	log.Println("registering to http://"+publicaddress+"/api/client/register")
 	res, err := http.Post("http://"+publicaddress+"/api/intclient/register","application/json",body)
         if err != nil {
+		log.Println("Failed to register to http://"+publicaddress+"/api/client/register")
                 return err
         }
 	if res.StatusCode != http.StatusOK {
+		log.Println("Failed to register to http://"+publicaddress+"/api/client/register")
 		return errors.New("request to server failed: " + res.Status)
 	}
 	bodyBytes, err := ioutil.ReadAll(res.Body)
-        bodyString := string(bodyBytes)
-	spew.Dump(bodyString)
+        //bodyString := string(bodyBytes)
+	//spew.Dump(bodyString)
 	if err != nil {
 		return err
 	}
 	var wgclient models.IntClient
 	json.Unmarshal(bodyBytes, &wgclient)
-        spew.Dump(wgclient)
+        //spew.Dump(wgclient)
 	err = config.ModGlobalConfig(wgclient)
         if err != nil {
                 return err
         }
-        spew.Dump(wgclient)
+        //spew.Dump(wgclient)
 	err = wireguard.InitGRPCWireguard(wgclient)
         if err != nil {
                 return err
         }
-
+	log.Println("registered netclient to " + cfg.Client.ServerPrivateAddress)
 	return err
 }
 

netclient/local/local.go

@@ -136,7 +136,6 @@ OnCalendar=*:*:0/30
 WantedBy=timers.target
 `
 
-
 	servicebytes := []byte(systemservice)
 	timerbytes := []byte(systemtimer)
 
@@ -255,9 +254,13 @@ func RemoveSystemDServices(network string) error {
                 fmt.Println(err)
         }
 	if fullremove {
-	err = os.Remove("/etc/systemd/system/[email protected]")
+		if FileExists("/etc/systemd/system/[email protected]") {
+			err = os.Remove("/etc/systemd/system/[email protected]")
+		}
+	}
+	if FileExists("/etc/systemd/system/netclient-"+network+".timer") {
+		err = os.Remove("/etc/systemd/system/netclient-"+network+".timer")
 	}
-	err = os.Remove("/etc/systemd/system/netclient-"+network+".timer")
 	if err != nil {
                 fmt.Println("Error removing file. Please investigate.")
                 fmt.Println(err)
@@ -286,9 +289,15 @@ func WipeLocal(network string) error{
 
         //home, err := homedir.Dir()
         home := "/etc/netclient"
-        _ = os.Remove(home + "/netconfig-" + network)
-        _ = os.Remove(home + "/nettoken-" + network)
-        _ = os.Remove(home + "/wgkey-" + network)
+	if FileExists(home + "/netconfig-" + network) {
+	        _ = os.Remove(home + "/netconfig-" + network)
+	}
+	if FileExists(home + "/nettoken-" + network) {
+		_ = os.Remove(home + "/nettoken-" + network)
+	}
+	if FileExists(home + "/wgkey-" + network) {
+		_ = os.Remove(home + "/wgkey-" + network)
+	}
 
         ipExec, err := exec.LookPath("ip")
 

netclient/wireguard/kernel.go

@@ -1,7 +1,7 @@
 package wireguard
 
 import (
-"github.com/davecgh/go-spew/spew"
+	//"github.com/davecgh/go-spew/spew"
 	"fmt"
 	"strconv"
 	"errors"
@@ -25,7 +25,9 @@ import (
 	//homedir "github.com/mitchellh/go-homedir"
 )
 func InitGRPCWireguard(client models.IntClient) error {
-        key, err := wgtypes.ParseKey(client.PrivateKey)
+        //spew.Dump(client)
+
+	key, err := wgtypes.ParseKey(client.PrivateKey)
         if err !=  nil {
                 return err
         }
@@ -117,7 +119,7 @@ func InitGRPCWireguard(client models.IntClient) error {
                         return err
                 }
         }
-	spew.Dump(conf)
+	//spew.Dump(conf)
         err = wgclient.ConfigureDevice(ifacename, conf)
 
         if err != nil {
@@ -142,6 +144,8 @@ func InitGRPCWireguard(client models.IntClient) error {
 
 func InitWireguard(node *nodepb.Node, privkey string, peers []wgtypes.PeerConfig, hasGateway bool, gateways []string) error  {
 
+        //spew.Dump(node)
+        //spew.Dump(peers)
 	ipExec, err := exec.LookPath("ip")
 	if err !=  nil {
 		return err
@@ -246,7 +250,6 @@ func InitWireguard(node *nodepb.Node, privkey string, peers []wgtypes.PeerConfig
                 }
         }
 
-
 	err = wgclient.ConfigureDevice(ifacename, conf)
 
 	if err != nil {
@@ -284,13 +287,15 @@ func InitWireguard(node *nodepb.Node, privkey string, peers []wgtypes.PeerConfig
 	}
         //=========End DNS Setup=======\\
 
+
         cmdIPLinkUp := &exec.Cmd {
                 Path: ipExec,
                 Args: []string{ ipExec, "link", "set", "up", "dev", ifacename},
                 Stdout: os.Stdout,
                 Stderr: os.Stdout,
         }
-        cmdIPLinkDown := &exec.Cmd {
+
+	cmdIPLinkDown := &exec.Cmd {
                 Path: ipExec,
                 Args: []string{ ipExec, "link", "set", "down", "dev", ifacename},
                 Stdout: os.Stdout,
@@ -334,6 +339,7 @@ func InitWireguard(node *nodepb.Node, privkey string, peers []wgtypes.PeerConfig
                         fmt.Println("Error encountered adding ipv6: " + err.Error())
                 }
 	}
+
 	return err
 }