#!/bin/bash
#          
# mkjail v0.4: chroot jail maker
# feedback: rhatto at riseup.net | GPL
#

BASE_CONF=/etc/mkjail
CONF=$BASE_CONF/mkjail.conf

# under the config file, adjust this to where your things live
# PACKAGES="/storage/vserver/slack/"
# DEVICES="/storage/vserver/devices.tar.gz"
# SCRIPTS="/storage/vserver/etc/"
# GPGKEY="/storage/vserver/slack/GPG-KEY" 
# SKEL="/storage/vserver/skel.conf"

if [ -f "$CONF" ]; then
  source $CONF
else
  echo $0 error: config file $CONFIG not found
  exit 1
elif (($# != 1)); then
  echo "usage: $0 <jail-name> [template]"
  exit 1
elif [ -d "/vservers/$1" ]; then
  echo $0 error: vserver $1 already exists
  exit 1
fi                                                                     

if [[ ! -z "$2" && -f "$BASE_CONF/$2.template"]]; then
  TEMPLATE="$BASE_CONF/$2.template"
elif [ -f "$BASE_CONF/default.template" ]
  echo template $2 not found, using default template
else
  echo $0 error: no templates found
  echo please create a template using templatepkg
  exit 1
fi

server=$1                                                                                                                  
mkdir /vservers/$server

echo "instaling packages..."

for pack in `cat $TEMPLATE`; do
  installpkg --root /vservers/$server `searchpkg -1 $pack`
done
 
echo "creating /etc/ and copying init scripts"

if [ -d "$BASE_CONF/$template" ]; then 
  rsync -Cav $BASE_CONF/$template/ /vservers/$server/
fi
 
cp /etc/resolv.conf /vservers/$server/etc/
cp /etc/localtime /vservers/$server/etc/
echo /dev/hdv1 / ext2 defaults 1 1 > /vservers/$server/etc/fstab                                                           
echo /dev/hdv1 / ext2 rw 0 0 > /vservers/$server/etc/mtab                                                                  

echo "creating devices and dependencies"
cd /vservers/$server/                                                                                                      
tar zxvf $DEVICES
chroot /vservers/$server/ sbin/ldconfig                                                                                    

echo "creating /etc/vservers/$server.conf"                                                                                     
cp $SKEL /etc/vservers/$server.conf                                                                   

echo "importing slack gpg pubkey"                                                                                  
mkdir /vservers/$server/root/.gnupg                                                                                        
gpg --homedir /vservers/$server/root/.gnupg --import $GPGKEY

# todo: add rebootmgr
echo "done; now edit /etc/vservers/$server.conf"
echo "then, set iptables rules and start $server vserver"
echo "dont forget to change root's password"