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https://git.launchpad.net/livecd-rootfs
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77ae8d704f
* Replace "snap download" with tool that uses snap store's coherence feature
This is important for parallel image builds to ensure all pre-seeded snaps
have the same versions across image variants.
* Inject a proxy into the build providing a snapshot view of the package repo.
When the REPO_SNAPSHOT_STAMP variable is set, the auto/build script will attempt
to launch a transparent HTTP proxy on port 8080, and insert an iptables rule to
redirect all outgoing HTTP requests to this proxy.
The proxy, contained in the `magic-proxy` Python script, examines each request
and silently overrides those pointing to InRelease files or files that are
listed in InRelease files. It will instead provide the contents of the requested
file as it was at REPO_SNAPSHOT_STAMP, by downloading the corresponding asset
"by hash".
* Use series files with dependency handling to generate hook symlinks dynamically
This patch currently only applies to the "ubuntu-cpc" project.
More and more logic has been going into the hook scripts to decide
under which conditions they should run or not. As we are moving
to parallelized builds of image sets, this will get even more
complicated. Base hooks will have to know which image sets they
belong to and modification of the dependency chain between scripts
will become more complicated and prone to errors, as the number of
image sets grows.
This patch introduces explicit ordering and dependency handling for
scripts through the use of `series` files and an explicit syntax
for dependency specification.
177 lines
4.2 KiB
Bash
Executable File
177 lines
4.2 KiB
Bash
Executable File
#!/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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my_d=$(dirname $(readlink -f ${0}))
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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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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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${my_d}/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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ramdisk = /boot/initrd.img
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parameters = root=LABEL=cloudimg-rootfs
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EOF
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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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# Create bootmap file
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chroot mountpoint /sbin/zipl -V \
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--image=/boot/vmlinuz \
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--ramdisk=/boot/initrd.img \
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--parameters='root=LABEL=cloudimg-rootfs' \
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--target=/boot/ \
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--targetbase=$loop_device \
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--targettype=SCSI \
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--targetblocksize=512 \
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--targetoffset=2048
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fi
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if [ -n "$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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