#! /bin/sh
#----------------------------------------------------
#shell used to prepare container structure, this script
#is called by the vzgot before any root pivot action.
#It is used on the firstboot to prepare all needed file.
#
#----------------------------------------------------
#Syntaxe
#vzgot.fistboot VE_name node domain ip_list [Base]
#	VE_name is the container dir name
#	Node is the container hostname
#	Domain is the container domainname 
#	IP_LIST is an ip list (ip,ip1,ip2,..) used
#		to prepare container network
#	base_dir is this application root directory
#		(used for devel only).
#----------------------------------------------------
CONTNAME=$1
NODE=$2
DOMAIN=$3
LSTIP=$4
BASE=$5
#----------------------------------------------------
if ! [ -f $BASE/etc/vzgot/vzgot_config ] ; then
  echo "Missing vzgot config file"
  exit 1	#trouble trouble
  fi
. $BASE/etc/vzgot/vzgot_config

#specific container configuration override (if needed)
if [ -f $BASE/$VZLIB/vzdir/$CONTNAME/vzgot_config ] ; then
  $BASE/$VZLIB/vzdir/$CONTNAME/vzgot_config
  fi
#----------------------------------------------------
VZROOT=$BASE/$VZLIB/vzdir/$CONTNAME/rootfs
#====================================================
#procedure to implement redhat distribution file
#----------------------------------------------------
#Prepare /etc/hosts file
#----------------------------------------------------

HOSTS="$BASE/$VZLIB/vzdir/$CONTNAME/rootfs/etc/hosts"
(
echo "#----------------------------------------------------"
echo "#done by vzgot.fboot"
echo "#----------------------------------------------------"
echo -e "127.0.0.1\tlocalhost.localdomain\tlocalhost"
) > $HOSTS

if [ -n $LSTIP ] ; then
  (
  echo -n `echo $LSTIP | tr ',' ' ' | cut -d' ' -f1`
  echo -e "\t$NODE.$DOMAIN\t\t$NODE"
  echo "#----------------------------------------------------"
  ) >> $HOSTS
  fi
#----------------------------------------------------
#Prepare /etc/sysconfig/network file
#----------------------------------------------------
NET="$BASE/$VZLIB/vzdir/$CONTNAME/rootfs/etc/sysconfig/network"
(
echo "NETWORK=yes"
echo "HOSTNAME=$NODE.$DOMAIN"
echo "GATEWAYDEV=$ETHNAME"
) > $NET

#----------------------------------------------------
#Prepare /etc/sysconfig/network-scripts/sysconfig-eth* file
#----------------------------------------------------

ETH="$BASE/$VZLIB/vzdir/$CONTNAME/rootfs/etc/sysconfig/network-scripts/ifcfg"
if [ -n $LSTIP ] ; then
  ETH0=`echo $LSTIP | tr ',' ' ' | cut -d' ' -f1`
  (
  echo "DEVICE=eth0"
  echo "ONBOOT=yes"
  echo "IPADDR=$ETH0"
  echo "NETWORK=$ETH0"
  echo "NETMASK=255.255.255.255"
  ) > $ETH-eth0
  ETHX=`echo $LSTIP | tr ',' ' ' | cut -s -d' ' -f2-`
  aliasnum=1
  for eth in $ETHX 
    do
    (
    echo "DEVICE=eth0:$aliasnum"
    echo "ONBOOT=yes"
    echo "IPADDR=$eth"
    echo "NETWORK=$ETH0"
    echo "NETMASK=255.255.255.255"
    ) > $ETH-eth0:$aliasnum
    let aliasnum=aliasnum+1
    done
  fi
#----------------------------------------------------
#Prepare /dev directoy contents
#----------------------------------------------------
DEV="$VZROOT/dev"

rm -fr $DEV
mkdir -p $DEV
mknod -m 666 $DEV/null c 1 3
mknod -m 666 $DEV/zero c 1 5
mknod -m 666 $DEV/random c 1 8
mknod -m 666 $DEV/urandom c 1 9
mkdir -m 755 $DEV/pts
mkdir -m 1777 $DEV/shm
mknod -m 666 $DEV/tty c 5 0
mknod -m 600 $DEV/console p
mknod -m 666 $DEV/tty0 c 4 0
mknod -m 666 $DEV/full c 1 7
mknod -m 600 $DEV/initctl p
mknod -m 666 $DEV/ptmx c 5 2

#----------------------------------------------------
#Prepare /dev directoy fstab
#----------------------------------------------------
FSTAB="$VZROOT/etc/fstab"
(
echo -e "/vzgot\t\t/\t\text3\tdefaults\t0 0"
echo -e "proc\t\t/proc\t\tproc\tdefaults\t0 0"
echo -e "sysfs\t\t/sys\t\tsysfs\tdefaults\t0 0"
echo -e "devpts\t\t/dev/pts\t\tdevpts\tdefaults\t0 0"
echo -e "tmpfs\t\t/dev/shm\t\ttmpfs\tdefaults\t0 0"
) > $FSTAB

#====================================================
#starting common container configuration process
(

cd $BASE/$VZLIB
#----------------------------------------------------
#insert a common root password within the vz

if [ -f etc/shadow ] ; then
  SHAD="$VZROOT/etc/shadow"
  sed 's/#.*//g' etc/shadow | grep -v '^[[:space:]]*$' |	\
  while read -r LINE
    do
    NAME=`echo $LINE | cut -d':' -f1`
    (echo $LINE ; grep -v "^$NAME:" $SHAD) > $SHAD.new
    mv -f $SHAD.new $SHAD
    done
  chmod 440 $SHAD
  fi

#setting the DNS resolver
if [ -f etc/resolv.conf ] ; then
  cp -a etc/resolv.conf $VZROOT/etc
  fi

#duplicating ssh Key if we want to have all container even.
if [ -d etc/ssh ] ; then
  for i in `ls etc/ssh/*key* 2> /dev/null` 
    do
    cp -a $k $VZROOT/etc/ssh
    done
  fi

#insert iptables script
if [ -f etc/sysconfig/iptables ] ; then
  cp -a etc/sysconfig/iptables $VZROOT/etc/sysconfig
  fi

#adding sudoer informations
if [ -f etc/sudoers ] ; then
  cat etc/sudoers >> $VZROOT/etc/sudoers
  fi

#adding snmpd.conf specific to ALL container
if [ -f etc/snmp/snmpd.conf ] ; then
  cat etc/snmp/snmpd.conf>> $VZROOT/etc/snmp/snmpd.conf
  fi

)
#end common container configuration  process
#====================================================
#lets create common users and groups
ARCH=`cat $VZLIB/vzdir/$CONTNAME/arch`
CHROOT="/usr/bin/setarch $ARCH /usr/sbin/chroot"

$CHROOT $VZROOT mount -t proc proc /proc
$CHROOT $VZROOT mount -t sysfs sysfs /sys

#creating common group
if [ -f $VZLIB/etc/groups ] ; then
  sed 's/#.*//g' $VZLIB/etc/groups | grep -v '^[[:space:]]*$' |	\
  while read -r GRPNAME 
    do
    $CHROOT $VZROOT groupadd $GRPNAME
    done
  fi

#creating common users
if [ -f $VZLIB/etc/users ] ; then
  sed 's/#.*//g' $VZLIB/etc/users | grep -v '^[[:space:]]*$' |	\
  while read -r NAME CRYPTED GRPNAME
    do
    if [ -d $VZLIB/home/$NAME ] ; then
      cp -a $VZLIB/home/$NAME $VZROOT/tmp
      SKEL="-k /tmp/$NAME"
      fi
    $CHROOT $VZROOT useradd -m $SKEL -p "$CRYPTED" -g $GRPNAME $NAME
    rm -fr $VZROOT/tmp/$NAME
    done
  fi

#removing udev family auto start
UDEV="/sbin/start_udev"
$CHROOT $VZROOT /bin/mv $UDEV $UDEV.org > /dev/null 2>&1
$CHROOT $VZROOT /bin/ln /bin/true $UDEV > /dev/null 2>&1

$CHROOT $VZROOT umount /sys
$CHROOT $VZROOT umount /proc
#====================================================
exit 0