golang: execCommand example

// execCommand executes a command from cmdName with args

// provided from cmdArgs. Returns the stdout in []byte and error or nil

func execCommand(cmdName string, cmdArgs ...string) ([]byte, error) {

        logrus.Debugf("Executing: %s %s ", cmdName, cmdArgs)

        cmd := exec.Command(cmdName, cmdArgs...)

        stdout, err := cmd.Output()

        if err != nil {

                return nil, errors.Wrapf(err, "Error executing the command")

        }

        return stdout, nil

}