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bpfire/lfs/cdrom
Michael Tremer 5621b0ef0a cdrom: Compress file system image using Zstandard 
This patch uses the new Zstandard algorithm to compress the file system
image on the ISO image. This comes with these advantages:

* Compression is about twice as fast than XZ with the parameters we have
  selected here
* We use a lot less memory during compression and can therefore utilise
  all processor cores of the build machines
* Decompression (when installing IPFire and when creating the
  flash-image) is substantically faster

The downside is that the generated ISO image is slighty larger (~10MiB)
which I am okay with as a trade-off for the points mentioned above.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>
2021-07-14 08:28:46 +00:00

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###############################################################################
# #
# IPFire.org - A linux based firewall #
# Copyright (C) 2007-2021 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 = cdrom
TARGET = $(DIR_INFO)/$(THISAPP)
# Fail when there is an error in the tar pipe
SHELL=/bin/bash -o pipefail
HAS_MEMTEST = 0
HAS_IPXE = 0
HAS_ISOLINUX = 0
HAS_KERNEL = 1
ifeq "$(BUILD_PLATFORM)" "x86"
HAS_MEMTEST = 1
HAS_IPXE = 1
HAS_ISOLINUX = 1
endif
ifeq "$(BUILD_ARCH)" "armv6l"
HAS_KERNEL = 0
endif
ISO_ARGS = -J -r -v \
-A "$(NAME) $(VERSION) $(BUILD_ARCH)" \
-V "$(NAME) $(VERSION) $(BUILD_ARCH)"
ISOHYBRID_ARGS =
ifeq "$(HAS_ISOLINUX)" "1"
ISO_ARGS += \
-no-emul-boot \
-boot-load-size 4 \
-boot-info-table \
-b boot/isolinux/isolinux.bin \
-c boot/isolinux/boot.catalog
endif
ifeq "$(EFI)" "1"
ISO_ARGS += \
-eltorito-alt-boot \
-e boot/isolinux/efiboot.img \
-no-emul-boot
ISOHYBRID_ARGS += --uefi
endif
GRUB_EFI_MODULES = \
all_video \
at_keyboard \
boot \
bitmap_scale \
cat \
chain \
configfile \
disk \
echo \
efi_gop \
efi_uga \
ext2 \
extcmd \
fat \
file \
font \
fxterm_menu \
gfxterm \
gfxmenu \
gfxterm_background \
gzio \
halt \
help \
iso9660 \
jpeg \
loadbios \
loadenv \
loopback \
linux \
ls \
memdisk \
minicmd \
nativedisk \
normal \
ntfs \
part_gpt \
part_msdos \
png \
probe \
reboot \
regexp \
search \
search_fs_file \
search_fs_uuid \
search_label \
tar \
test \
tga \
true \
usb_keyboard
###############################################################################
# Top-level Rules
###############################################################################
install : $(TARGET)
check :
download :
md5 :
###############################################################################
# Installation Details
###############################################################################
$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
# Update /etc/system-release, because the string might have changed
# since stage2 has been executed..
echo "$(SYSTEM_RELEASE)" > /etc/system-release
# Create a directory to authorise the CDROM in
rm -rf $(DIR_TMP)/cdrom && mkdir -p $(DIR_TMP)/cdrom
# Clear mtab (prevents .journal problems)
rm -vf /etc/mtab
echo > /etc/mtab
# Create filelist for packaging.
BUILDTARGET="$(BUILDTARGET)" BUILD_ARCH="$(BUILD_ARCH)" KVER="$(KVER)" \
$(DIR_SRC)/src/scripts/archive.files \
$(DIR_SRC)/config/rootfiles/common \
> $(DIR_TMP)/ROOTFILES
# Compress root filesystem
# Reason for this tar+untar+tar is removing of entries listed two or more in src/ROOTFILES
rm -rf $(DIR_TMP)/root && mkdir -p $(DIR_TMP)/root
tar $(TAR_OPTIONS) -c --exclude='#*' --exclude='proc/*' --exclude='dev/pts/*' --exclude='tmp/*' \
--exclude='__pycache__' \
-C / --files-from=$(DIR_TMP)/ROOTFILES | tar $(TAR_OPTIONS) -x -C $(DIR_TMP)/root
rm -f $(DIR_TMP)/ROOTFILES
mkdir $(DIR_TMP)/root/sys
cd $(DIR_TMP)/root && tar $(TAR_OPTIONS) -cf - * | zstd $(ZSTD_OPTIONS) > $(DIR_TMP)/cdrom/distro.img
rm -rf $(DIR_TMP)/root
# Other files
touch $(DIR_TMP)/cdrom/$(SNAME)-$(VERSION)-core$(CORE).media
sed 's/VERSION/$(VERSION)/' $(DIR_SRC)/config/cdrom/README.txt > $(DIR_TMP)/cdrom/README.txt
cp $(DIR_SRC)/doc/COPYING $(DIR_TMP)/cdrom/
# Install documentation
-mkdir -pv $(DIR_TMP)/cdrom/doc
cp $(DIR_SRC)/doc/{ChangeLog,packages-list.txt} $(DIR_TMP)/cdrom/doc
mkdir -p $(DIR_TMP)/cdrom/boot/isolinux
ifeq "$(HAS_KERNEL)" "1"
cp /boot/vmlinuz-$(KVER)-ipfire $(DIR_TMP)/cdrom/boot/isolinux/vmlinuz
dracut --force --early-microcode -a "installer" --strip --xz $(DIR_TMP)/cdrom/boot/isolinux/instroot $(KVER)-ipfire
endif
ifeq "$(HAS_ISOLINUX)" "1"
dd if=/dev/zero bs=1k count=2 > $(DIR_TMP)/cdrom/boot/isolinux/boot.catalog
cp $(DIR_SRC)/config/syslinux/boot.png $(DIR_TMP)/cdrom/boot/isolinux/boot.png
cp /usr/share/syslinux/isolinux.bin $(DIR_TMP)/cdrom/boot/isolinux/isolinux.bin
cp /usr/share/hwdata/pci.ids $(DIR_TMP)/cdrom/boot/isolinux/pci.ids
cp -vf /usr/share/syslinux/*.c32 $(DIR_TMP)/cdrom/boot/isolinux/
sed -e "s/VERSION/$(VERSION) - Core $(CORE)/g" \
$(DIR_SRC)/config/syslinux/syslinux.cfg \
> $(DIR_TMP)/cdrom/boot/isolinux/isolinux.cfg
endif
ifeq "$(HAS_MEMTEST)" "1"
# Install memtest
cp /usr/lib/memtest86+/memtest.bin $(DIR_TMP)/cdrom/boot/isolinux/memtest
endif
ifeq "$(HAS_IPXE)" "1"
cp /usr/share/ipfire-netboot/ipxe.lkrn $(DIR_TMP)/cdrom/boot/isolinux/netboot
endif
ifeq "$(EFI)" "1"
# Generate embedded GRUB configuration
sed -e "s/NAME/$(NAME)/g" -e "s/VERSION/$(VERSION)/g" -e "s/ARCH/$(BUILD_ARCH)/g" \
$(DIR_SRC)/config/cdrom/grub-efi.cfg > /tmp/grub-efi.cfg
# Build a GRUB EFI image
mkdir -pv $(DIR_TMP)/cdrom/EFI/BOOT
grub-mkimage \
--format=$(GRUB_ARCH)-efi \
--output=$(DIR_TMP)/cdrom/EFI/BOOT/boot$(EFI_ARCH).efi \
--config=$(DIR_TMP)/grub-efi.cfg \
--compression=xz \
--prefix=/EFI/BOOT \
$$(for mod in $(GRUB_EFI_MODULES); do [ -f "/usr/lib/grub/$(GRUB_ARCH)-efi/$${mod}.mod" ] && echo "$${mod}"; done)
# Install GRUB configuration
mkdir -pv $(DIR_TMP)/cdrom/EFI/BOOT
sed -e "s/NAME/$(NAME)/g" -e "s/VERSION/$(VERSION)/g" -e "s/ARCH/$(BUILD_ARCH)/g" \
< $(DIR_SRC)/config/cdrom/grub.cfg > $(DIR_TMP)/cdrom/EFI/BOOT/grub.cfg
# Create the EFI Eltorito image
dd if=/dev/zero of=$(DIR_TMP)/cdrom/boot/isolinux/efiboot.img bs=1k count=1440
mkdosfs -F 12 -n "IPFIRE_EFI" $(DIR_TMP)/cdrom/boot/isolinux/efiboot.img
# Mount the EFI image
mkdir -pv $(DIR_TMP)/efiboot.img
mount -o loop $(DIR_TMP)/cdrom/boot/isolinux/efiboot.img $(DIR_TMP)/efiboot.img
# Copy the bootloader into the image
mkdir -p $(DIR_TMP)/efiboot.img/EFI/BOOT
cp -a $(DIR_TMP)/cdrom/EFI/BOOT/boot$(EFI_ARCH).efi \
$(DIR_TMP)/efiboot.img/EFI/BOOT/boot$(EFI_ARCH).efi
# Cleanup
umount $(DIR_TMP)/efiboot.img
rm -rf $(DIR_TMP)/efiboot.img $(DIR_TMP)/grub-efi.cfg
endif
cd $(DIR_TMP)/cdrom && find -type f ! -name md5sum.txt | grep -v "./boot" | \
xargs md5sum > md5sum.txt
mkdir -p /install/images
cd $(DIR_TMP)/cdrom && mkisofs $(ISO_ARGS) \
-o /install/images/$(SNAME)-$(VERSION).$(BUILD_ARCH)-full-core$(CORE).iso .
ifeq "$(HAS_ISOLINUX)" "1"
isohybrid $(ISOHYBRID_ARGS) /install/images/$(SNAME)-$(VERSION).$(BUILD_ARCH)-full-core$(CORE).iso
endif
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