NetworkTool/agent/internal/network/applyexec/applyexec.go

package applyexec

import (
	"fmt"
	"os/exec"
	"strings"
)

type Service struct{}

func New() *Service { return &Service{} }

func (s *Service) Apply() error {
	cmd := exec.Command("netplan", "apply")
	output, err := cmd.CombinedOutput()
	if err != nil {
		return fmt.Errorf("netplan apply failed: %s", strings.TrimSpace(string(output)))
	}
	return nil
}