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184 lines
4.5 KiB
184 lines
4.5 KiB
#!/bin/bash -ex
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IMAGE_STR="# CLOUD_IMG: This file was created/modified by the Cloud Image build process"
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FS_LABEL="cloudimg-rootfs"
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. config/binary
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. config/functions
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BOOTPART_START=
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BOOTPART_END=
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BOOT_MOUNTPOINT=
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ROOTPART_START=1
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case $ARCH:$SUBARCH in
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ppc64el:*|powerpc:*)
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echo "POWER disk images are handled separately"
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exit 0
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;;
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amd64|arm64|armhf)
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echo "We only create EFI images for $ARCH."
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exit 0
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;;
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armhf:raspi2)
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# matches the size of the snappy image
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IMAGE_SIZE=$((4*1000*1000*1000))
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BOOTPART_START=8192s
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BOOTPART_END=138M
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BOOT_MOUNTPOINT=/boot/firmware
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;;
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*)
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;;
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esac
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create_empty_partition_table() {
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parted "$1" --script -- mklabel msdos
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}
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create_empty_partition() {
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local disk="$1"
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local part="$2"
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local start="$3"
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local end="$4"
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local type="$5"
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local bootable="$6"
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parted_prefix="parted $disk --script --"
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${parted_prefix} mkpart primary "$type" "$start" "$end"
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if [ -n "$bootable" ]; then
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${parted_prefix} set "$part" B
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fi
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${parted_prefix} print
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${parted_prefix} align-check opt "$part"
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}
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disk_image=binary/boot/disk.ext4
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create_empty_disk_image "${disk_image}"
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create_empty_partition_table "${disk_image}"
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ROOTPART=1
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ROOT_BOOTABLE=1
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if [ -n "$BOOTPART_START" ]; then
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ROOTPART=2
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ROOTPART_START="$BOOTPART_END"
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ROOT_BOOTABLE=
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create_empty_partition "$disk_image" 1 "$BOOTPART_START" "$BOOTPART_END" fat32 1
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fi
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create_empty_partition "${disk_image}" "$ROOTPART" "$ROOTPART_START" -1 ext2 "$ROOT_BOOTABLE"
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mount_image "${disk_image}" "$ROOTPART"
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partuuid=$(blkid -s PARTUUID -o value "$rootfs_dev_mapper")
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# Copy the chroot in to the disk
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make_ext4_partition "${rootfs_dev_mapper}"
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mkdir mountpoint
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mount "${rootfs_dev_mapper}" mountpoint
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if [ -n "$BOOT_MOUNTPOINT" ]; then
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boot_dev_mapper="${rootfs_dev_mapper%%[0-9]}1"
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# assume fat32 for now
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mkfs.vfat -n system-boot "$boot_dev_mapper"
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mkdir -p "mountpoint/$BOOT_MOUNTPOINT"
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mount "$boot_dev_mapper" "mountpoint/$BOOT_MOUNTPOINT"
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fi
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cp -a chroot/* mountpoint/
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setup_mountpoint mountpoint
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case $ARCH:$SUBARCH in
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armhf:raspi2)
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chroot mountpoint flash-kernel \
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--machine "Raspberry Pi 2 Model B"
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# not the best place for this, but neither flash-kernel nor
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# u-boot have provisions for installing u-boot via maintainer
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# script
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config/hooks/raspi2/mkknlimg --dtok \
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mountpoint/usr/lib/u-boot/rpi_2/u-boot.bin \
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mountpoint/boot/firmware/uboot.bin
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;;
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*) ;;
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esac
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case $ARCH in
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amd64|i386) should_install_grub=1;;
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*) should_install_grub=0;;
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esac
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if [ "${should_install_grub}" -eq 1 ]; then
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echo "(hd0) ${loop_device}" > mountpoint/tmp/device.map
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chroot mountpoint grub-install ${loop_device}
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chroot mountpoint grub-bios-setup \
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--boot-image=i386-pc/boot.img \
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--core-image=i386-pc/core.img \
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--skip-fs-probe \
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--device-map=/tmp/device.map \
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${loop_device}
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rm mountpoint/tmp/device.map
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if [ "${SUBPROJECT:-}" = minimized ] && [ -n "$partuuid" ]; then
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echo "partuuid found for root device; forcing it in Grub"
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mkdir -p mountpoint/etc/default/grub.d
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echo "GRUB_FORCE_PARTUUID=$partuuid" >> mountpoint/etc/default/grub.d/40-force-partuuid.cfg
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divert_grub mountpoint
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chroot mountpoint update-grub
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undivert_grub mountpoint
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fi
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fi
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if [ "$ARCH" = "s390x" ]; then
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# Do ZIPL install bits
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chroot mountpoint apt-get -qqy install s390-tools sysconfig-hardware
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# Write out cloudy zipl.conf for future kernel updates
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cat << EOF > mountpoint/etc/zipl.conf
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# This has been modified by the cloud image build process
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[defaultboot]
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default=ubuntu
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[ubuntu]
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target = /boot
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image = /boot/vmlinuz
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parameters = root=LABEL=cloudimg-rootfs
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EOF
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ZIPL_EXTRA_PARAMS=
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if [ -e mountpoint/boot/initrd.img-* ]; then
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# Kernel initramfs hooks end up creating a copy
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# rather than a symlink FIXME
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pushd mountpoint/boot
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ln -sf initrd.img-* initrd.img
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popd
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echo "ramdisk = /boot/initrd.img" >> mountpoint/etc/zipl.conf
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ZIPL_EXTRA_PARAMS=--ramdisk=/boot/initrd.img
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fi
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# Create bootmap file
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chroot mountpoint /sbin/zipl -V \
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--image=/boot/vmlinuz \
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--parameters='root=LABEL=cloudimg-rootfs' \
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--target=/boot/ \
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--targetbase=$loop_device \
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--targettype=SCSI \
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--targetblocksize=512 \
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--targetoffset=2048 \
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$ZIPL_EXTRA_PARAMS
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fi
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if [ -n "$BOOT_MOUNTPOINT" ]; then
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umount "mountpoint/$BOOT_MOUNTPOINT"
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fi
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umount_partition mountpoint
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rmdir mountpoint
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clean_loops
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trap - EXIT
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