controller.go

package nucleus

import (
	"fmt"
	"github.com/openconfig/ygot/ygot"
	"net"
	gosdn "project-beachhead/goSDN"
)

func AssembleJSON() {
	// Build my device
	d := &gosdn.Device{}

	interfaces, _ := net.Interfaces()
	for _, iface := range interfaces {
		fmt.Println(iface.Name)
		i, err := d.NewInterface(iface.Name)
		if err != nil {
			panic(err)
		}
		i.Mtu = ygot.Uint16(234)
		//i.Mtu = ygot.Uint16(iface.MTU)
	}

	// EmitJSON from the ygot library directly does .Validate() and outputs JSON in
	// the specified format.
	json, err := ygot.EmitJSON(d, &ygot.EmitJSONConfig{
		Format: ygot.RFC7951,
		Indent: "  ",
		RFC7951Config: &ygot.RFC7951JSONConfig{
			AppendModuleName: true,
		},
	})
	if err != nil {
		panic(fmt.Sprintf("JSON demo error: %v", err))
	}
	fmt.Println(json)
}