os_ct2vm

#!/bin/bash

SCRIPT_NAME=`basename $0`

SCRIPTVERSION=13
NEEDSPACE=150000

DATADIR="/usr/share/libvznbdmig"

. $DATADIR/ct2vmlib

#getmigscript $SCRIPT_NAME >/dev/null 2>&1
TMPLOSNAME=centos
TMPLVERSION=6
TMPLARCH=x86_64


if [ $TMPLARCH = x86 ]; then
	TMPLENV="rpm44x86"
else
	TMPLENV="rpm44x64"
fi

SYSLOG_SCRIPT="syslog"
CT2VM_PACKAGES_RM="vzdummy-jre-fc6 vzdummy-kernel-el5 vzdummy-apache vzdev
vzdummy-glibc vzdummy-kernel-utils-el5"
CT2VM_PACKAGES_ADD="kernel grub"
CT2VM_PACKAGES_POST_RM=""
ADD_KERNEL_BOOT_OPTS=""
VEID=$1
NBD_PATH=$2
MSG_LEVEL=$3
CHECK_PACKAGES=$4

OPTS=`getopt -o b: \
 --long boot_device: \
 -n $SCRIPT_NAME -- "$@"`

if [ $? != 0 ] ; then usage; exit 1 ; fi

eval set -- "$OPTS"

while true ; do
	case "$1" in
		--boot_device)
			NBD_GRUB_PDEV=$2
			shift
			;;
		--)
			shift
			break
			;;
		*)
			break
			;;
	esac
done

if [ "x$NBD_GRUB_PDEV" = "x" ]; then
	INSTDEVICE="/dev/hda1"
	DEVMAJOR=3
	DEVMINOR=1
	BOOT="/boot"
else
	BOOT=""
	GRUB_DEVICE="/dev/hda1"
	GRUB_DEVMAJOR=3
	GRUB_DEVMINOR=1
	INSTDEVICE="/dev/hda2"
	DEVMAJOR=3
	DEVMINOR=2
fi
FSOPTIONS="defaults"
INITRD_OPTS="--rootdev=$INSTDEVICE"
USE_UPSTART=no
USE_NEW_UPSTART=no

case "$TMPLOSNAME" in
	centos)
		TMPLTITLE="CentOS Linux $TMPLVERSION"
		case "$TMPLVERSION" in
			4)
	                        CT2VM_PACKAGES_RM="vzdummy-kernel-ce4 vzdev vzdummy-glibc vzdummy-udev-as4"
        	                INITRD_OPTS=""
                	        if [ $TMPLARCH = x86 ]; then
                        	        TMPLENV="rpm43x86"
                        	else
                                	TMPLENV="rpm43x64"
                        	fi
				;;
			6)
                                SYSLOG_SCRIPT="rsyslog"
                                if [ "x$NBD_GRUB_PDEV" = "x" ]; then
                                        INSTDEVICE="/dev/sda1"
                                        DEVMAJOR=8
                                else
                                        GRUB_DEVICE="/dev/sda1"
                                        INSTDEVICE="/dev/sda2"
                                        DEVMAJOR=8
                                        GRUB_DEVMAJOR=8
                                fi
                                USE_NEW_UPSTART=yes
                                CT2VM_PACKAGES_RM="vzdev vzdummy-init-fc13"
                                CT2VM_PACKAGES_ADD="$CT2VM_PACKAGES_ADD module-init-tools"
                                INITRD_OPTS="--rootdev=$INSTDEVICE"
                                if [ $TMPLARCH = x86 ]; then
                                        TMPLENV="rpm47x86"
                                else
                                        TMPLENV="rpm47x64"
                                fi
                                ;;
		esac
		;;
	redhat)
		case "$TMPLVERSION" in
			el6)
				SYSLOG_SCRIPT="rsyslog"
				if [ "x$NBD_GRUB_PDEV" = "x" ]; then
					INSTDEVICE="/dev/sda1"
					DEVMAJOR=8
				else
					GRUB_DEVICE="/dev/sda1"
					INSTDEVICE="/dev/sda2"
					DEVMAJOR=8
					GRUB_DEVMAJOR=8
				fi
				TMPLTITLE="RedHat Enterprise Linux 6"
				USE_NEW_UPSTART=yes
				CT2VM_PACKAGES_RM="vzdev vzdummy-init-fc13"
				CT2VM_PACKAGES_ADD="$CT2VM_PACKAGES_ADD module-init-tools"
				INITRD_OPTS="--rootdev=$INSTDEVICE"
				if [ $TMPLARCH = x86 ]; then
					TMPLENV="rpm47x86"
				else
					TMPLENV="rpm47x64"
				fi
				;;
			el5)
				TMPLTITLE="RedHat Enterprise Linux 5"
				;;
			*)
				TMPLTITLE="RedHat Enterprise Linux 4"
				INITRD_OPTS=""
				CT2VM_PACKAGES_RM="vzdummy-kernel-as4 vzdev vzdummy-glibc vzdummy-udev-as4"
				if [ $TMPLARCH = x86 ]; then
					TMPLENV="rpm43x86"
				else
					TMPLENV="rpm43x64"
				fi
				;;
		esac
		;;
	asianux)
		TMPLTITLE="Asianux 3"
		;;
	oracle)
		TMPLTITLE="Oracle Enterprise Linux 5"
		;;
	fedora-core)
		SYSLOG_SCRIPT="rsyslog"
		if [ "x$NBD_GRUB_PDEV" = "x" ]; then
			INSTDEVICE="/dev/sda1"
			DEVMAJOR=8
		else
			GRUB_DEVICE="/dev/sda1"
			INSTDEVICE="/dev/sda2"
			DEVMAJOR=8
			GRUB_DEVMAJOR=8
		fi
		TMPLTITLE="Fedora $TMPLVERSION"
		case "$TMPLVERSION" in
			9)
				CT2VM_PACKAGES_RM="vzdummy-kernel-fc9 vzdev vzdummy-glibc vzdummy-jre-fc9"
				INITRD_OPTS="--rootdev=$INSTDEVICE --with=sd_mod --with-avail=ata_piix"
				;;
			11|12)
				USE_UPSTART=yes
				CT2VM_PACKAGES_RM="vzdev vzdummy-jre-fc9"
				CT2VM_PACKAGES_ADD="$CT2VM_PACKAGES_ADD mkinitrd"
				INITRD_OPTS="--rootdev=$INSTDEVICE"
				if [ $TMPLARCH = x86 ]; then
					TMPLENV="rpm47x86"
				else
					TMPLENV="rpm47x64"
				fi
				;;
			13)
				USE_NEW_UPSTART=yes
				CT2VM_PACKAGES_RM="vzdev vzdummy-jre-fc12"
				CT2VM_PACKAGES_ADD="$CT2VM_PACKAGES_ADD dracut"
				INITRD_OPTS="--rootdev=$INSTDEVICE"
				ADD_KERNEL_BOOT_OPTS="selinux=0"
				if [ $TMPLARCH = x86 ]; then
					TMPLENV="rpm48x86"
				else
					TMPLENV="rpm48x64"
				fi
				;;
			14)
				USE_NEW_UPSTART=yes
				CT2VM_PACKAGES_RM="vzdev vzdummy-jre-fc12"
				CT2VM_PACKAGES_ADD="$CT2VM_PACKAGES_ADD e2fsprogs"
				INITRD_OPTS="--rootdev=$INSTDEVICE"
				if [ $TMPLARCH = x86 ]; then
					TMPLENV="rpm48x86"
				else
					TMPLENV="rpm48x64"
				fi
				;;
			15)
				USE_NEW_UPSTART=yes
				CT2VM_PACKAGES_RM="vzdev vzdummy-init-fc15 vzdummy-kernel"
				CT2VM_PACKAGES_ADD="$CT2VM_PACKAGES_ADD e2fsprogs vzdummy-kernel-remove"
				CT2VM_PACKAGES_POST_RM="vzdummy-kernel-remove"
				INITRD_OPTS="--rootdev=$INSTDEVICE"
				export VIRT_OSRELEASE="2.6.38.6"
				if [ $TMPLARCH = x86 ]; then
					TMPLENV="rpm49x86"
				else
					TMPLENV="rpm49x64"
				fi
				;;
		esac
		;;
	*)
		TMPLTITLE="RedHat-based Enterprise Linux 5"
		;;
esac

RUN_FROM_CHROOT="$DATADIR/run_from_chroot /vz/pkgenv/$TMPLENV"
RUN_FROM_CHROOT2="$DATADIR/run_from_chroot"

. /etc/vz/conf/$VEID.conf
. /etc/vz/vz.conf

function usage() {
	echo "Usage: $0 CTID NBD_PATH MSG_LEVEL [ CHECK_PACKAGES ] [ --grub_device=NBD_GRUB_PDEV ]"
}

function cleanup(){
	return 0
}

function clean_environment() {
	# Clean environment for fc11 and 12
	if [ $USE_UPSTART = "yes" ] || [ $USE_NEW_UPSTART = "yes" ]; then
		rm -f $NBD_PATH/var/lib/rpm/__db* >/dev/null 2>&1
	fi
}

if [ "x$VEID" = "x" ]; then
	usage
	error_msg "You should give CTID" $ERR_TMPL
fi

if [ "x$CHECK_PACKAGES" = "xcheck_packages" ]; then
	$VZPKG install $VEID -q -n -p $CT2VM_PACKAGES_ADD >/dev/null 2>&1
	if [ $? -ne 0 ]; then
		error_msg "Can't download packages $CT2VM_PACKAGES_ADD" $ERR_TMPL
	else
		exit 0
	fi
fi

if [ ! -d $NBD_PATH ] || [ "x$NBD_PATH" = "x" ] || [ "x$NBD_PATH" = "/" ]; then
	usage
	error_msg "You should give right NBD_PATH ($NBD_PATH)" $ERR_TMPL
fi

if [ "x$INSTDEVICE" = "x" ]; then
	usage
	error_msg "You should give device" $ERR_TMPL
fi

clean_environment

# Remove and install packages
remove_packages

# Create devices
/bin/mknod $NBD_PATH/dev/null c 1 3 >/dev/null 2>&1
/bin/chmod 666 $NBD_PATH/dev/null >/dev/null 2>&1

clean_environment

install_packages_rpm

clean_environment

if [ "x$CT2VM_PACKAGES_POST_RM" != "x" ]; then
	msg $MSG_INFO "Removing additionally installed packages..."
	for i in $CT2VM_PACKAGES_POST_RM; do
		$RUN_FROM_CHROOT /usr/lib/rpm/rpmi -e --noscripts  --nodeps \
		--root $NBD_PATH $i >/dev/null 2>&1
	done
	clean_environment
fi

msg $MSG_INFO "Changing config files..."

if [ $USE_UPSTART = "yes" ]; then

	# Recreate tty scripts
	for i in tty1 tty2 tty3 tty4 tty5 tty6; do
	echo "# $i - getty
#
# This service maintains a getty on $i from the point the system is
# started until it is shut down again.

start on stopped rc2
start on stopped rc3
start on stopped rc4

stop on runlevel 0
stop on runlevel 1
stop on runlevel 6

respawn
exec /sbin/mingetty $i
" > $NBD_PATH/etc/event.d/$i
	done
fi

if [ $USE_NEW_UPSTART = "yes" ]; then
	mv -f $NBD_PATH/etc/init.removed/*.conf $NBD_PATH/etc/init
	rm -rf $NBD_PATH/etc/init.removed
fi

# Fix syslog
if [ -f $NBD_PATH/etc/init.d/$SYSLOG_SCRIPT ]; then
	mv -f $NBD_PATH/etc/init.d/$SYSLOG_SCRIPT "$NBD_PATH/etc/init.d/$SYSLOG_SCRIPT"_vz
	cat "$NBD_PATH/etc/init.d/$SYSLOG_SCRIPT"_vz | \
	sed "s,passed klogd skipped #,,g" | \
	sed "s,#status klogd,status klogd,g" > \
	$NBD_PATH/etc/init.d/$SYSLOG_SCRIPT && \
	chmod 0755 $NBD_PATH/etc/init.d/$SYSLOG_SCRIPT; \
	rm -f "$NBD_PATH/etc/init.d/$SYSLOG_SCRIPT"_vz || \
	mv -f "$NBD_PATH/etc/init.d/$SYSLOG_SCRIPT"_vz $NBD_PATH/etc/init.d/$SYSLOG_SCRIPT
fi

# Fix fstab
fix_fstab

if [ $USE_UPSTART = "no" ] && [ $USE_NEW_UPSTART = "no" ]; then
# Add back mingettys to /etc/inittab
	add_mingettys
fi

# Remove vzreboot
rm -f $NBD_PATH/etc/rc.d/rc6.d/S00vzreboot >/dev/null 2>&1

# Tune grub.conf
echo "
splashimage=(hd0,0)$BOOT/grub/splash.xpm.gz
timeout=5
default=1
" > $NBD_PATH/boot/grub/grub.conf

if [ ! -f $NBD_PATH/boot/grub/menu.lst ]; then
	ln -s ./grub.conf $NBD_PATH/boot/grub/menu.lst
fi

msg $MSG_INFO "Configuring network..."

mv $NBD_PATH/etc/sysconfig/network \
$NBD_PATH/etc/sysconfig/network_vzdev > /dev/null 2>&1
cat $NBD_PATH/etc/sysconfig/network_vzdev 2>/dev/null | \
	sed "s,^GATEWAYDEV.*,GATEWAYDEV=\"eth0\",g" | \
	sed "s,^IPV6_DEFAULTDEV.*,IPV6_DEFAULTDEV=\"eth0\",g" \
> $NBD_PATH/etc/sysconfig/network
rm -f $NBD_PATH/etc/sysconfig/network_vzdev >/dev/null 2>&1
rm -f $NBD_PATH/etc/sysconfig/network-scripts/*venet* >/dev/null 2>&1
rm -f $NBD_PATH/etc/sysconfig/network-scripts/ifcfg-eth* >/dev/null 2>&1

if [ "x$IP_ADDRESS" = "x0.0.0.0" ]; then
	IP_ADDRESS=""
fi

# Preserve netif settings
NETIF_IPV4_LIST=`echo $NETIF | grep ip= | \
sed -e "s,.*ip=,,g" -e "s,\,.*,,g" -e "s,:, ,g" 2>/dev/null`

NETIF_IPV6_LIST=`echo $NETIF | grep ip6= | \
sed -e "s,.*ip6=,,g" -e "s,\,, ,g" -e "s,\"$,,g" 2>/dev/null`

NETIF_IPV4_DHCP=1
echo $NETIF | grep dhcp=yes >/dev/null 2>&1
NETIF_IPV4_DHCP=$?

NETIF_IPV6_DHCP=1
echo $NETIF | grep dhcp6=yes >/dev/null 2>&1
NETIF_IPV6_DHCP=$?

if [ "x$NETIF_IPV4_LIST" != "x" ] || [ "x$NETIF_IPV6_LIST" != "x" ]; then
	IP_ADDRESS="$IP_ADDRESS $NETIF_IPV4_LIST $NETIF_IPV6_LIST"
fi

if [ "x$IP_ADDRESS" != "x" ] || [ $NETIF_IPV4_DHCP -eq 0 ]; then
	ipv4addr=""
	ipv6addr=""
	NETDEVICE="eth0"
	if [ $NETIF_IPV4_DHCP -eq 0 ]; then
		echo "DEVICE=$NETDEVICE
ONBOOT=yes
BOOTPROTO=dhcp
" > $NBD_PATH/etc/sysconfig/network-scripts/ifcfg-$NETDEVICE
		if [ $NETIF_IPV6_DHCP -eq 0 ]; then
			echo "DHCPV6C=yes
" >> $NBD_PATH/etc/sysconfig/network-scripts/ifcfg-$NETDEVICE
		fi
	else
		echo "DEVICE=$NETDEVICE
ONBOOT=yes
BOOTPROTO=static
IPADDR=127.0.0.1
NETMASK=255.255.255.255
BROADCAST=0.0.0.0
" > $NBD_PATH/etc/sysconfig/network-scripts/ifcfg-$NETDEVICE
	fi

	ipv6init=0
	# Setup IPV6 first
	for i in $IP_ADDRESS; do
		ipv6addr=`echo $i | grep ":"`
		if [ "x$ipv6addr" != "x" ]; then
			if `echo $ipv6addr | grep -v "/" >/dev/null`; then
				ipv6addr="$ipv6addr/64"
			fi
			if [ $ipv6init -eq 0 ]; then
				echo "IPV6INIT=\"yes\"
" >> $NBD_PATH/etc/sysconfig/network-scripts/ifcfg-$NETDEVICE
				ipv6init=1
			fi
			IPV6_SECONDARIES="$IPV6_SECONDARIES $ipv6addr"
		fi
	done

	if [ "x$IPV6_SECONDARIES" != "x" ]; then
		echo "IPV6ADDR_SECONDARIES=\"$IPV6_SECONDARIES\"
" >> $NBD_PATH/etc/sysconfig/network-scripts/ifcfg-$NETDEVICE
	fi

	# Then setup IPV4
	NETDEVICE_COUNT=1
	for i in $IP_ADDRESS; do
		ipv4addr=`echo $i | grep "\." | sed "s,\/.*,,g"`
		ipv4mask=`echo $i | grep / | sed "s,.*\/,,g"`
		if [ "x$ipv4mask" = "x" ]; then
			ipv4mask="255.255.255.0"
		fi
		if [ "x$ipv4addr" != "x" ]; then
			if [ $NETDEVICE_COUNT -gt 0 ]; then
				NETDEVICE="eth0:$((NETDEVICE_COUNT-1))"
			fi
			echo "
DEVICE=$NETDEVICE
ONBOOT=yes
IPADDR=\"$ipv4addr\"
NETMASK=\"$ipv4mask\"
" > $NBD_PATH/etc/sysconfig/network-scripts/ifcfg-$NETDEVICE
			NETDEVICE_COUNT=$((NETDEVICE_COUNT+1))
		fi
	done
fi

set_nameserver

msg $MSG_INFO "Configuring kernel..."

AVAILABLE_KERNELS=`find $NBD_PATH/boot -name vmlinuz*`

[ "x$AVAILABLE_KERNELS" = "x" ] && error_msg "No any kernel available" \
$ERR_TMPL

# Make root device
for i in $INSTDEVICE /dev/root; do
	/bin/mknod $NBD_PATH/$i b $DEVMAJOR $DEVMINOR >/dev/null 2>&1
	/bin/chmod 660 $NBD_PATH/$i >/dev/null 2>&1
done

# Make grub device
if [ "x$GRUB_DEVICE" != "x" ]; then
	/bin/mknod $NBD_PATH/$GRUB_DEVICE b $GRUB_DEVMAJOR $GRUB_DEVMINOR \
	>/dev/null 2>&1
	/bin/chmod 660 $NBD_PATH/$GRUB_DEVICE >/dev/null 2>&1
fi

# Get kernel version and write it to grub
for i in $AVAILABLE_KERNELS; do
	KERN_VERSION=`echo $i | sed "s,.*vmlinuz-,,g"`;
	export VIRT_OSRELEASE=$KERN_VERSION

	# Update depmod
	$RUN_FROM_CHROOT2 $NBD_PATH /sbin/depmod $KERN_VERSION >/dev/null 2>&1

	# Create proper initrd
	rm -f $NBD_PATH/boot/initrd-$KERN_VERSION.img
	$RUN_FROM_CHROOT2 $NBD_PATH /sbin/mkinitrd $INITRD_OPTS \
	/boot/initrd-$KERN_VERSION.img $KERN_VERSION >/dev/null 2>&1

	[ ! -f $NBD_PATH/boot/initrd-$KERN_VERSION.img ] && \
	error_msg "Failed to create initrd image" $ERR_TMPL

	echo "
title $TMPLTITLE ($KERN_VERSION)
	root (hd0,0)
	kernel $BOOT/vmlinuz-$KERN_VERSION ro $ADD_KERNEL_BOOT_OPTS root=$INSTDEVICE
	initrd $BOOT/initrd-$KERN_VERSION.img
" >> $NBD_PATH/boot/grub/grub.conf

done

exit 0