#!/bin/bash
#
# mkhost v0.1: add a /etc/hosts entry
# feedback: rhatto at riseup.net | gpl
#
#  Mkhost 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 2 of the License, or any later version.
#
#  Mkhost 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 for more details.
#
#  You should have received a copy of the GNU General Public License along with
#  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
#  Place - Suite 330, Boston, MA 02111-1307, USA
#

TMP="/tmp"
CONF="/etc/mksite/mksite.conf"
LOCKFILE="$TMP/mkhost.lock"
MESSAGES="/usr/share/mksite/mksite.messages"
HELPER_FUNCTIONS="/usr/libexec/mksite/mksite-helper"
HOSTS_FILE="/etc/hosts"

if [ -f "$HELPER_FUNCTIONS" ]; then
  source $HELPER_FUNCTIONS
  mksite_checks
else
  echo Fatal error: function file not found, aborting.
  echo Erro fatal: arquivo de funcoes nao encontrado, abortando.
  exit 1
fi

mksite_create_lockfile $LOCKFILE

function usage {

  echo "usage: `basename $0` <site-file-name> <mksite-config-file>"

}

if [ ! -f "$1" ]; then
  echo $MESSAGE_CONFIG_NOT_FOUND $1
elif [ ! -f "$2" ]; then
  echo $MESSAGE_CONFIG_NOT_FOUND $2
else
  USER="`basename $1`"
  USER_CONFIG="$1"
  INSTANCE_CONFIG="$2"
fi

mksite_check_configuration

DOMAIN="`mksite_eval_param $USER_CONFIG DOCROOT`"
SERVER_ALIAS="`mksite_eval_param $USER_CONFIG SERVER_ALIAS`"
INSTANCE_IP="`mksite_eval_param $INSTANCE_CONFIG IP`"

if [ -z "$DOMAIN" ] || [ -z "$INSTANCE_IP"  ]; then
  echo $MESSAGE_CONFIG_ERROR
  mksite_safe_exit 1
fi

if [ ! -z "$SERVER_ALIAS" ]; then
  for alias in $SERVER_ALIAS; do
    if ! grep -qe "$alias" $HOSTS_FILE; then
      echo $MESSAGE_UPDATING_HOSTS
      echo " "
      echo "$INSTANCE_IP            $alias" | tee -a $HOSTS_FILE
      echo " "
    fi
  done
fi

if ! grep -qe "$USER.$DOMAIN" $HOSTS_FILE; then
  echo $MESSAGE_UPDATING_HOSTS 
  echo " "
  echo "$INSTANCE_IP            $USER.$DOMAIN" | tee -a $HOSTS_FILE
  echo " "
fi

mksite_safe_exit 0