kubesh.go

package main

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

	"github.com/mkideal/cli"
)

type argT struct {
	cli.Helper
	Kubectl string `cli:"kubectl" usage:"kubectl command args" prompt:"kubectl> "`
}

// KubeSh starts a very simple kubectl-shell so you don't have to keep typing kubectl
func KubeSh() {
	for {
		cli.Run(new(argT), func(ctx *cli.Context) error {
			argv := ctx.Argv().(*argT)
			cmd := exec.Command(
				"kubectl",
				strings.Fields(argv.Kubectl)...,
			)
			cmd.Stdin = os.Stdin
			cmd.Stdout = os.Stdout
			cmd.Stderr = os.Stderr
			err := cmd.Run()
			if err != nil {
				fmt.Fprint(os.Stderr, err.Error())
			}
			return nil
		})
	}
}