#!/bin/bash

#
# nombre              : create-public-and-private-keys
# descripción         : Crear un par de claves pública y privada para un usuario y mostrar la clave pública y el recurso puppet para distribuirla
# autor               : Esteban M. Navas Martín
# fecha creación      : 29092018
# última modificación : 29092018
# uso                 : create-public-and-private-keys
# instalación         : Guardar en  /usr/local/sbin/

#
# Copyright 2018, Esteban M. Navas Martín <algodelinux@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License at <http://www.gnu.org/licenses/> for
# more details.
#

GREEN='\033[0;32m'
YELLOW='\033[1;33m'

echo -e "${YELLOW}Generando par de claves para el usuario $USER en $HOSTNAME en el fichero $HOME/.ssh/id_rsa-$HOSTNAME"
ssh-keygen -q -t rsa -N '' -f $HOME/.ssh/id_rsa-$HOSTNAME

echo -e "\n${YELLOW}Clave pública para el usuario $USER en $HOSTNAME:"
echo -e "${GREEN}$(cat $HOME/.ssh/id_rsa-$(hostname).pub | awk '{print $2}')"

echo -e "\n${YELLOW}Recurso puppet para distribuir la clave pública del usuario $USER@$HOSTNAME:"
echo -e "${GREEN}ssh_authorized_key { \"$USER@$HOSTNAME\":
      ensure => present,
      type => "rsa",
      key => \"$(cat $HOME/.ssh/id_rsa-$(hostname).pub | awk '{print $2}')\",
      user => $USER
   }"

tput init