###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2007-2011  IPFire Team  <info@ipfire.org>                     #
#                                                                             #
# 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 for more details.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

###############################################################################
# Definitions
###############################################################################

include Config

VER = ipfire

THISAPP    = xen-image
TARGET     = $(DIR_INFO)/$(THISAPP)

###############################################################################
# Top-level Rules
###############################################################################

install : $(TARGET)

check :

download :

md5 :

###############################################################################
# Installation Details
###############################################################################
IMGinst  := /install/images/$(SNAME)-$(VERSION).xen.$(MACHINE)-full-core$(CORE).tar.bz2
MNThdd   := /install/harddisk

IMGboot  := /install/images/$(SNAME)/$(SNAME)-boot.img
IMGswap  := /install/images/$(SNAME)/$(SNAME)-swap.img
IMGroot  := /install/images/$(SNAME)/$(SNAME)-root.img
IMGvar   := /install/images/$(SNAME)/$(SNAME)-var.img

SIZEboot := 30
SIZEswap := 512
SIZEroot := 512
SIZEvar  := 950

$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
	rm -rf $(MNThdd) $(IMGinst) $(IMGroot) && mkdir -p $(MNThdd)
	mkdir -p /install/images/$(SNAME)   # /boot

	#Create bootimage
	dd bs=1M if=/dev/zero of=$(IMGboot) count=$(SIZEboot)
	mkfs.ext2 -F $(IMGboot)

	#Create swapimage
	dd bs=1M if=/dev/zero of=$(IMGswap) count=$(SIZEswap)
	mkswap $(IMGswap)

	#Create rootimage
	dd bs=1M if=/dev/zero of=$(IMGroot) count=$(SIZEroot)
	mkfs.ext3 -F $(IMGroot)

	#Create varimage
	dd bs=1M if=/dev/zero of=$(IMGvar) count=$(SIZEvar)
	mkfs.ext3 -F $(IMGvar)

	# Mount Images
	mount -o loop $(IMGroot) $(MNThdd)
	mkdir $(MNThdd)/boot
	mkdir $(MNThdd)/var
	mkdir $(MNThdd)/var/log
	mount -o loop $(IMGboot) $(MNThdd)/boot
	mount -o loop $(IMGvar) $(MNThdd)/var

	# Install IPFire without kernel modules
	tar -C $(MNThdd)/ -xvf /install/cdrom/$(SNAME)-$(VERSION).tlz --lzma \
		--exclude=lib/modules* --exclude=boot*

	#Install Xen Kernel
	tar -C $(MNThdd)/opt/pakfire/tmp -xvf /install/packages/linux-xen-$(KVER)-*.ipfire
	chroot $(MNThdd) /opt/pakfire/tmp/install.sh
	rm -rf $(MNThdd)/opt/pakfire/tmp/*

	#Create grub menuentry for pygrub
	mkdir $(MNThdd)/boot/grub
	echo "timeout 10"                          > $(MNThdd)/boot/grub/grub.conf
	echo "default 0"                          >> $(MNThdd)/boot/grub/grub.conf
	echo "title IPFire (XEN-Kernel)"          >> $(MNThdd)/boot/grub/grub.conf
	echo "  kernel /vmlinuz-$(KVER)-ipfire-xen root=/dev/xvda3 rootdelay=10 panic=10 console=xvc0 ro" \
						  >> $(MNThdd)/boot/grub/grub.conf
	echo "  initrd /ipfirerd-$(KVER)-xen.img" >> $(MNThdd)/boot/grub/grub.conf
	echo "# savedefault 0" >> $(MNThdd)/boot/grub/grub.conf

	ln -s grub.conf $(MNThdd)/boot/grub/menu.lst

	#Copy the meta-info of linux-xen package
	cp -f /install/packages/meta-linux-xen $(MNThdd)/opt/pakfire/db/installed
	cp -f /install/packages/meta-linux-xen $(MNThdd)/opt/pakfire/db/meta

	#Set default configuration
	echo "LANGUAGE=en" >> $(MNThdd)/var/ipfire/main/settings
	echo "HOSTNAME=$(SNAME)" >> $(MNThdd)/var/ipfire/main/settings
	echo "THEME=ipfire" >> $(MNThdd)/var/ipfire/main/settings
	touch $(MNThdd)/lib/modules/$(KVER)-ipfire-xen/modules.dep
	mkdir $(MNThdd)/proc
	mount --bind /proc $(MNThdd)/proc
	mount --bind /dev  $(MNThdd)/dev
	mount --bind /sys  $(MNThdd)/sys
	chroot $(MNThdd) /usr/bin/perl -e "require '/var/ipfire/lang.pl'; &Lang::BuildCacheLang"
	sed -i -e "s|DEVICE1|/dev/xvda1|g" $(MNThdd)/etc/fstab
	sed -i -e "s|DEVICE2|/dev/xvda2|g" $(MNThdd)/etc/fstab
	sed -i -e "s|DEVICE3|/dev/xvda3|g" $(MNThdd)/etc/fstab
	sed -i -e "s|DEVICE4|/dev/xvda4|g" $(MNThdd)/etc/fstab

	sed -i -e "s|FSTYPE|ext3|g" $(MNThdd)/etc/fstab

	chroot $(MNThdd) /sbin/dracut --force --verbose /boot/ipfirerd-$(KVER)-xen.img $(KVER)-ipfire-xen

	#Remove root / fstab check
	rm -rf $(MNThdd)/etc/rc.d/rcsysinit.d/S19checkfstab
	#Remove console init
	rm -rf $(MNThdd)/etc/rc.d/rcsysinit.d/S70console

	#Add xvc0 to securetty
	echo xvc0 >> $(MNThdd)/etc/securetty

	#Add getty for xvc0
	echo "#Enable login for XEN" >> $(MNThdd)/etc/inittab
	echo "8:2345:respawn:/sbin/agetty xvc0 9600" >> $(MNThdd)/etc/inittab

	#Disable some initskripts
	echo "#!/bin/sh" > $(MNThdd)/etc/rc.d/init.d/setclock
	echo "#!/bin/sh" > $(MNThdd)/etc/rc.d/init.d/keymap

	#Remove autoload of acpi modules
	sed -i -e "s|^ac|#ac|g" $(MNThdd)/etc/sysconfig/modules
	sed -i -e "s|^battery|#battery|g" $(MNThdd)/etc/sysconfig/modules
	sed -i -e "s|^button|#button|g" $(MNThdd)/etc/sysconfig/modules
	sed -i -e "s|^fan|#fan|g" $(MNThdd)/etc/sysconfig/modules
	sed -i -e "s|^processor|#processor|g" $(MNThdd)/etc/sysconfig/modules
	sed -i -e "s|^thermal|#thermal|g" $(MNThdd)/etc/sysconfig/modules
	sed -i -e "s|^video|#video|g" $(MNThdd)/etc/sysconfig/modules

	#Copy initramdisk, kernel and config
	#cp -f $(MNThdd)/boot/ipfirerd-$(KVER)-xen.img \
	#	/install/images/$(SNAME)/boot
	#cp -f $(MNThdd)/boot/vmlinuz-$(KVER)-ipfire-xen \
	#	/install/images/$(SNAME)/boot
	cp $(DIR_SRC)/config/xen-image/* \
		/install/images/$(SNAME)
	sed -i -e "s|KVER|$(KVER)|g" /install/images/$(SNAME)/ipfire.cfg

	# Unmount
	umount $(MNThdd)/proc
	umount $(MNThdd)/dev
	umount $(MNThdd)/sys
	umount $(MNThdd)/var
	umount $(MNThdd)/boot
	umount $(MNThdd)

	# Zerofree ext3 images to get better compression
	zerofree $(IMGboot)
	zerofree $(IMGroot)
	zerofree $(IMGvar)

	# Compress Image
	cd /install/images/ && tar -cvjf $(IMGinst) $(SNAME)

	rm -rf $(MNThdd) /install/images/$(SNAME)
