PacketStreamer/cmd/root.go at main · deepfence/PacketStreamer

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package cmd
	"github.com/spf13/cobra"
	"github.com/deepfence/PacketStreamer/pkg/config"
	cfgFile string
	cfg     *config.Config
	rootCmd = &cobra.Command{
		Use:   "packetstreamer",
		Short: "A tool for streaming packets from one server to another",
		Long: `A simple tool that helps us to stream packets (network traffic)
from one server to another. The servers could be hosted in cloud environments,
internal data centers, or regular desktops.`,
// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
	err := rootCmd.Execute()
	if err != nil {
		os.Exit(1)
func init() {
	cobra.OnInitialize(initConfig)
	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file")
func initConfig() {
	if cfgFile == "" {
		log.Fatalf("Configuration file not provided")
	var err error
	cfg, err = config.NewConfig(cfgFile)
	if err != nil {
		log.Fatalf("Could not retrieve configuration: %v", err)

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