support hostgw

pkg/agent/flannel/setup.go

@@ -44,6 +44,9 @@ const (
 	"Backend": %backend%
 }
 `
+	hostGwBackend = `{
+	"Type": "host-gw"
+}`
 
 	vxlanBackend = `{
 	"Type": "vxlan"
@@ -127,6 +130,8 @@ 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)
 	}
@@ -161,4 +166,4 @@ func setupStrongSwan(nodeConfig *config.Node) error {
 
 	// make new strongswan link
 	return os.Symlink(dataDir, nodeConfig.AgentConfig.StrongSwanDir)
-}
+}
\ No newline at end of file

pkg/daemons/config/types.go

@@ -18,6 +18,7 @@ const (
 	FlannelBackendVXLAN     = "vxlan"
 	FlannelBackendIPSEC     = "ipsec"
 	FlannelBackendWireguard = "wireguard"
+	FlannelBackendHOSTGW    = "hostgw"
 )
 
 type Node struct {