glog / klog with cobra

glog.go

package main

import (
	"flag"
	"fmt"
	"github.com/golang/glog"
	"github.com/spf13/cobra"
	"github.com/spf13/pflag"
)

var testFlag string

var (
	RootCmd = &cobra.Command{
		Use: "test",
		Run: func(cmd *cobra.Command, args []string) {
			glog.V(5).Infof("glog info level")
			fmt.Printf("value for test: %s\n", testFlag)
		},
	}
)

func init() {
	pflag.CommandLine.AddGoFlagSet(flag.CommandLine)
	RootCmd.PersistentFlags().StringVar(&testFlag, "test", "foo", "some flags")
}

func main() {
	RootCmd.Execute()
}

klog.go

package main

import (
	"flag"
	"fmt"
	"github.com/spf13/cobra"
	"github.com/spf13/pflag"
	"k8s.io/klog"
)

var testFlag string

var (
	RootCmd = &cobra.Command{
		Use: "test",
		Run: func(cmd *cobra.Command, args []string) {
			klog.V(5).Infof("glog info level")
			fmt.Printf("value for test: %s\n", testFlag)
		},
	}
)

func init() {
	klog.InitFlags(nil)
	pflag.CommandLine.AddGoFlagSet(flag.CommandLine)

	RootCmd.PersistentFlags().StringVar(&testFlag, "test", "foo", "some flags")
}

func main() {
	RootCmd.Execute()
}