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#!/bin/sh
#
# Copyright (C) 2018 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 or later as published by the Free Software Foundation.
#
# 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/>.
#
# File: build-GCE-image
# Purpose:
# Build VyOS image for Google cloud.
lb bootstrap
lb chroot
lb installer
lb binary_chroot
lb chroot_devpts install
lb chroot_proc install
lb chroot_selinuxfs install
lb chroot_sysfs install
lb chroot_hosts install
lb chroot_resolv install
lb chroot_hostname install
lb chroot_sysv-rc install
lb chroot_upstart install
lb chroot_apt install-binary
lb chroot_archives chroot install
lb binary_rootfs
lb binary_manifest
lb binary_package-lists
lb binary_linux-image
lb binary_memtest
lb binary_grub
lb binary_grub2
lb binary_syslinux
lb binary_disk
lb binary_loadlin
lb binary_win32-loader
lb binary_includes
lb binary_hooks
lb binary_checksums
# get vyos build version
version=$(cat version)
dateymd=$(date +%Y%m%d)
######################################
### Prepare the HDD (format, ext.) ###
######################################
PARTED=/sbin/parted
OUTPUT=disk.raw
OUTPUTGZ=VyOS-"$dateymd".tar.gz
IMAGE_SIZE=10
qemu-img create -f raw ${OUTPUT} ${IMAGE_SIZE}G
${PARTED} -s ${OUTPUT} mktable msdos
${PARTED} -s -a optimal ${OUTPUT} mkpart primary ext4 1Mi 100%
${PARTED} -s ${OUTPUT} set 1 boot on
RESULT_KPARTX=`kpartx -asv ${OUTPUT} 2>&1`
if echo "${RESULT_KPARTX}" | grep "^add map" ; then
LOOP_DEVICE=$(echo ${RESULT_KPARTX} | cut -d" " -f3)
LOOPRAW_DEVICE=${LOOP_DEVICE%p*}
echo "kpartx mounted using: ${LOOP_DEVICE} via ${LOOPRAW_DEVICE}"
else
echo "It seems kpartx didn't mount the image correctly: exiting."
exit 1
fi
cleanup(){
error=$?
[ ! -d "${MOUNT_DIR}" ] && return
if [ "$error" -gt 0 ]; then
echo
echo "Error $error"
else
echo "Finished."
fi
set +e
sync
umount -l ${MOUNT_DIR}
rmdir ${MOUNT_DIR}
umount devpts-live
umount proc-live
umount sysfs-live
dmsetup remove --deferred ${LOOP_DEVICE}
losetup -d /dev/${LOOPRAW_DEVICE}
exit $error
}
trap "cleanup" EXIT TERM INT
mkfs.ext4 /dev/mapper/${LOOP_DEVICE} -L persistence
UUID=$(blkid -o value -s UUID /dev/mapper/${LOOP_DEVICE})
# No fsck because of X days without checks
tune2fs -i 0 /dev/mapper/${LOOP_DEVICE}
MOUNT_DIR=`mktemp -d -t build-debimg.XXXXXX`
mount /dev/mapper/${LOOP_DEVICE} ${MOUNT_DIR}
########################
### Setting-up files ###
########################
mkdir -p ${MOUNT_DIR}/boot/grub
mkdir -p ${MOUNT_DIR}/boot/"$version"/rw
echo "/ union" > ${MOUNT_DIR}/persistence.conf
cp binary/live/filesystem.squashfs ${MOUNT_DIR}/boot/"$version"/"$version.squashfs"
cp binary/live/initrd.img ${MOUNT_DIR}/boot/"$version"/initrd.img
cp binary/live/vmlinuz ${MOUNT_DIR}/boot/"$version"/vmlinuz
########################
### Create grub menu ###
########################
cat > ${MOUNT_DIR}/boot/grub/grub.cfg << EOF
set timeout=5
set default=0
serial --speed=38400 --unit=0 --word=8 --parity=no --stop=1
terminal_input serial
terminal_output serial
menuentry "VyOS $version (Serial console)" {
linux /boot/"$version"/vmlinuz boot=live vyos-union=/boot/"$version" console=tty0 console=ttyS0,38400n8d earlyprintk=ttyS0,38400 consoleblank=0 systemd.show_status=true
initrd /boot/"$version"/initrd.img
}
menuentry "Lost password change $version (Serial console)" {
linux /boot/"$version"/vmlinuz boot=live vyos-union=/boot/"$version" console=tty0 console=ttyS0,38400n8d earlyprintk=ttyS0,38400 consoleblank=0 systemd.show_status=true init=/opt/vyatta/sbin/standalone_root_pw_reset
initrd /boot/"$version"/initrd.img
}
EOF
#############################
### Setting-up bootloader ###
#############################
grub-install --boot-directory ${MOUNT_DIR}/boot --force --no-floppy --skip-fs-probe /dev/${LOOPRAW_DEVICE}
###################
### HOOK SCRIPT ###
###################
fstrim ${MOUNT_DIR}
umount ${MOUNT_DIR} && {
tar -Sczf ${OUTPUTGZ} ${OUTPUT}
mount /dev/mapper/${LOOP_DEVICE} ${MOUNT_DIR}
}
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