Clean up host-gw variable names

pkg/agent/flannel/setup.go

@@ -44,14 +44,15 @@ const (
 	"Backend": %backend%
 }
 `
-	hostGwBackend = `{
-	"Type": "host-gw"
-}`
 
 	vxlanBackend = `{
 	"Type": "vxlan"
 }`
 
+	hostGWBackend = `{
+	"Type": "host-gw"
+}`
+
 	ipsecBackend = `{
 	"Type": "ipsec",
 	"UDPEncap": true,
@@ -123,6 +124,8 @@ func createFlannelConf(nodeConfig *config.Node) error {
 	switch nodeConfig.FlannelBackend {
 	case config.FlannelBackendVXLAN:
 		backendConf = vxlanBackend
+	case config.FlannelBackendHostGW:
+		backendConf = hostGWBackend
 	case config.FlannelBackendIPSEC:
 		backendConf = strings.Replace(ipsecBackend, "%psk%", nodeConfig.AgentConfig.IPSECPSK, -1)
 		if err := setupStrongSwan(nodeConfig); err != nil {
@@ -130,8 +133,6 @@ func createFlannelConf(nodeConfig *config.Node) error {
 		}
 	case config.FlannelBackendWireguard:
 		backendConf = wireguardBackend
-	case config.FlannelBackendHOSTGW:
-		backendConf = hostGwBackend
 	default:
 		return fmt.Errorf("Cannot configure unknown flannel backend '%s'", nodeConfig.FlannelBackend)
 	}

pkg/cli/cmds/server.go

@@ -114,7 +114,7 @@ func NewServerCommand(action func(*cli.Context) error) cli.Command {
 			},
 			cli.StringFlag{
 				Name:        "flannel-backend",
-				Usage:       fmt.Sprintf("(networking) One of 'none', 'vxlan', 'ipsec', 'hostgw', or 'wireguard'"),
+				Usage:       fmt.Sprintf("(networking) One of 'none', 'vxlan', 'ipsec', 'host-gw', or 'wireguard'"),
 				Destination: &ServerConfig.FlannelBackend,
 				Value:       "vxlan",
 			},

pkg/daemons/config/types.go

@@ -16,9 +16,9 @@ import (
 const (
 	FlannelBackendNone      = "none"
 	FlannelBackendVXLAN     = "vxlan"
+	FlannelBackendHostGW    = "host-gw"
 	FlannelBackendIPSEC     = "ipsec"
 	FlannelBackendWireguard = "wireguard"
-	FlannelBackendHOSTGW    = "hostgw"
 )
 
 type Node struct {