Example JSON

package main

import (
    "encoding/json"
    "fmt"
    "io/ioutil"
    "log"
    "os"
    "os/exec"
)

type Test struct {
    Test []CMD `json:"data"`
}

type CMD struct {
    Cmd1 Command1 `json:"command1"`
    Cmd2 string   `json:"command2"`
}

type Command1 struct {
    Cmd   string `json:"cmd"`
    Param string `json:"param"`
}

func executeCommand(cmd string, args_array []string) (err error) {

    args := args_array

    cmd_obj := exec.Command(cmd, args...)
    cmd_obj.Stdout = os.Stdout
    cmd_obj.Stderr = os.Stderr

    err = cmd_obj.Run()

    if err != nil {
        log.Fatal(err)
        return
    }

    return nil

}

func executeCMD(cmd string) (err error) {

    cmd_obj := exec.Command(cmd)
    cmd_obj.Stdout = os.Stdout
    cmd_obj.Stderr = os.Stderr

    err = cmd_obj.Run()

    if err != nil {

        log.Fatal(err)
        return
    }

    return nil
}

func main() {

    jsonFile, err := os.Open("archivoJSON.json")

    if err != nil {
        fmt.Println(err)
    }
    fmt.Println("Successfully Opened archivoJSON.json")

    defer jsonFile.Close()

    byteValue, _ := ioutil.ReadAll(jsonFile)

    var test Test

    json.Unmarshal(byteValue, &test)

    //fmt.Println(test.Test[0].Cmd1.Cmd) ls
    //fmt.Println(test.Test[0].Cmd1.Param) -l

    fmt.Print("")

    cmda := test.Test[0].Cmd1.Cmd //Comando en formato String
    cmdb := test.Test[0].Cmd1.Param

    executeCommand(cmda, []string{cmdb})

    //cmd = "pwd"
    //executeCMD(cmd)

}