Add additional error logging for wireguard re-up

commands/registration.go

@@ -94,12 +94,12 @@ func (g *registration) Check() error {
 	switch g.action {
 	case "add":
 		if g.username == "" {
-			return errors.New("Username must be supplied")
+			return errors.New("username must be supplied")
 		}
 
 	case "del":
 		if g.token == "" && g.username == "" {
-			return errors.New("Token or username must be supplied")
+			return errors.New("token or username must be supplied")
 		}
 	case "list":
 	default:

internal/router/statemachine.go

@@ -209,6 +209,7 @@ func clusterState(errorsChan chan<- error) func(string) {
 				hasDied = true
 				log.Println("Cluster has entered dead state, tearing down: ", hasDied)
 				TearDown(false)
+				log.Println("cluster finished tearing down")
 			}
 		case "healthy":
 			if hasDied {

internal/router/wireguard.go

@@ -54,24 +54,24 @@ func setupWireguard(devices []data.Device) error {
 
 		conn, err := netlink.Dial(unix.NETLINK_ROUTE, nil)
 		if err != nil {
-			return err
+			return fmt.Errorf("failed to connect to netlink: err: %s", err)
 		}
 		defer conn.Close()
 
 		ip, network, err := net.ParseCIDR(config.Values.Wireguard.Address)
 		if err != nil {
-			return err
+			return fmt.Errorf("failed to parse wireguard address: err: %s", err)
 		}
 		network.IP = ip.To4()[:4] // Stop netlink freaking out at a ipv6 length ipv4 address
 
 		err = addWg(conn, config.Values.Wireguard.DevName, *network, config.Values.Wireguard.MTU)
 		if err != nil {
-			return err
+			return fmt.Errorf("failed to create wireguard device: err: %s", err)
 		}
 
 		key, err := wgtypes.ParseKey(config.Values.Wireguard.PrivateKey)
 		if err != nil {
-			return err
+			return fmt.Errorf("failed to parse wireguard private key: err: %s", err)
 		}
 		c.PrivateKey = &key
 
@@ -108,12 +108,12 @@ func setupWireguard(devices []data.Device) error {
 	var err error
 	ctrl, err = wgctrl.New()
 	if err != nil {
-		return fmt.Errorf("cannot start wireguard control %v", err)
+		return fmt.Errorf("cannot start wireguard control: err: %s", err)
 	}
 
 	err = ctrl.ConfigureDevice(config.Values.Wireguard.DevName, c)
 	if err != nil {
-		return fmt.Errorf("cannot configure wireguard device %v", err)
+		return fmt.Errorf("cannot configure wireguard device: err: %s", err)
 
 	}