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Add scripts to generate raw images
See: https://github.com/kairos-io/kairos/issues/377
This commit is contained in:
Ettore Di Giacinto
parent
1f932a7644
commit
5e3caad434
@ -28,7 +28,11 @@ FROM quay.io/kairos/packages-arm64:grub-efi-static-0.1 AS grub-efi
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FROM quay.io/kairos/packages-arm64:grub-config-static-0.1 AS grub-config
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FROM quay.io/kairos/packages-arm64:grub-artifacts-static-0.1 AS grub-artifacts
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## RAW images
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FROM quay.io/kairos/packages:grub-efi-static-0.1 AS grub-raw-efi
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FROM quay.io/kairos/packages:grub-config-static-0.1 AS grub-raw-config
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FROM quay.io/kairos/packages:grub-artifacts-static-0.1 AS grub-raw-artifacts
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FROM opensuse/leap:$LEAP_VERSION
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COPY --from=elemental /usr/bin/elemental /usr/bin/elemental
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COPY --from=luet /usr/bin/luet /usr/bin/luet
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@ -37,6 +41,11 @@ COPY --from=luet /usr/bin/luet /usr/bin/luet
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COPY --from=grub2 / /grub2
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COPY --from=efi / /efi
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# RAW images
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COPY --from=grub-raw-efi / /raw/grub
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COPY --from=grub-raw-config / /raw/grubconfig
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COPY --from=grub-raw-artifacts / /raw/grubartifacts
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# RPI64
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COPY --from=rpi-u-boot / /rpi/u-boot
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COPY --from=rpi-firmware / /rpi/rpi-firmware
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@ -71,6 +80,11 @@ COPY ./add-cloud-init.sh /add-cloud-init.sh
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COPY ./build-arm-image.sh /build-arm-image.sh
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COPY ./arm /arm
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# RAW images helpers
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COPY ./gce.sh /gce.sh
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COPY ./raw-images.sh /raw-images.sh
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COPY ./azure.sh /azure.sh
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COPY defaults.yaml /defaults.yaml
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15
tools-image/azure.sh
Executable file
15
tools-image/azure.sh
Executable file
@ -0,0 +1,15 @@
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#!/bin/bash
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# Transform a raw image disk to azure vhd
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RAWIMAGE="$1"
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VHDDISK="${2:-disk.vhd}"
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MB=$((1024*1024))
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size=$(qemu-img info -f raw --output json "$RAWIMAGE" | gawk 'match($0, /"virtual-size": ([0-9]+),/, val) {print val[1]}')
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# shellcheck disable=SC2004
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ROUNDED_SIZE=$(((($size+$MB-1)/$MB)*$MB))
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echo "Resizing raw image to $ROUNDED_SIZE"
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qemu-img resize -f raw "$RAWIMAGE" $ROUNDED_SIZE
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echo "Converting $RAWIMAGE to $VHDDISK"
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qemu-img convert -f raw -o subformat=fixed,force_size -O vpc "$RAWIMAGE" "$VHDDISK"
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echo "Done"
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16
tools-image/gce.sh
Executable file
16
tools-image/gce.sh
Executable file
@ -0,0 +1,16 @@
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#!/bin/bash
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# Transform a raw image disk to gce compatible
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RAWIMAGE="$1"
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GB=$((1024*1024*1024))
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size=$(qemu-img info -f raw --output json "$RAWIMAGE" | gawk 'match($0, /"virtual-size": ([0-9]+),/, val) {print val[1]}')
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# shellcheck disable=SC2004
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ROUNDED_SIZE=$(echo "$size/$GB+1"|bc)
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echo "Resizing raw image from \"$size\"MB to \"$ROUNDED_SIZE\"GB"
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qemu-img resize -f raw "$RAWIMAGE" "$ROUNDED_SIZE"G
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echo "Compressing raw image $RAWIMAGE to $RAWIMAGE.tar.gz"
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tar -c -z --format=oldgnu -f "$RAWIMAGE".tar.gz $RAWIMAGE
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echo "Restoring size to original raw image"
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qemu-img resize -f raw "$RAWIMAGE" --shrink "$size"
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echo "Done"
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67
tools-image/raw-images.sh
Executable file
67
tools-image/raw-images.sh
Executable file
@ -0,0 +1,67 @@
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#!/bin/bash
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# Generates EFI bootable images (statically)
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# luet util unpack <image> rootfs
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# docker run -v $PWD:/output --entrypoint /raw-images.sh -ti --rm test-image /output/rootfs /output/foo.raw cloud-init.yaml
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: "${OEM_LABEL:=COS_OEM}"
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: "${RECOVERY_LABEL:=COS_RECOVERY}"
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DIRECTORY=$1
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OUT=${2:-disk.raw}
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CONFIG=$3
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echo "Output: $OUT"
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set -e
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mkdir -p /build/root/grub2
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mkdir /build/root/cOS
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mkdir /build/efi
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cp -rf /raw/grub/* /build/efi
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cp -rf /raw/grubconfig/* /build/root
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cp -rf /raw/grubartifacts/* /build/root/grub2
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echo "Generating squashfs from $DIRECTORY"
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mksquashfs $DIRECTORY recovery.squashfs -b 1024k -comp xz -Xbcj x86
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mv recovery.squashfs /build/root/cOS/recovery.squashfs
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# Create a 2GB filesystem for RECOVERY including the contents for root (grub config and squasfs container)
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truncate -s $((2048*1024*1024)) rootfs.part
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mkfs.ext2 -L "${RECOVERY_LABEL}" -d /build/root rootfs.part
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# Create the EFI partition FAT16 and include the EFI image and a basic grub.cfg
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truncate -s $((20*1024*1024)) efi.part
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mkfs.fat -F16 -n COS_GRUB efi.part
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mcopy -s -i efi.part /build/efi/EFI ::EFI
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# Create the grubenv forcing first boot to be on recovery system
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mkdir -p /build/oem
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cp /build/root/etc/cos/grubenv_firstboot /build/oem/grubenv
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if [ -n "$CONFIG" ]; then
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echo "Copying config file ($CONFIG)"
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cp $CONFIG /build/oem
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fi
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# Create a 64MB filesystem for OEM volume
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truncate -s $((64*1024*1024)) oem.part
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mkfs.ext2 -L "${OEM_LABEL}" -d /build/oem oem.part
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echo "Generating image $OUT"
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# Create disk image, add 3MB of initial free space to disk, 1MB is for proper alignement, 2MB are for the hybrid legacy boot.
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truncate -s $((3*1024*1024)) $OUT
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{
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cat efi.part
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cat oem.part
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cat rootfs.part
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} >> $OUT
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# Add an extra MB at the end of the disk for the gpt headers, in fact 34 sectors would be enough, but adding some more does not hurt.
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truncate -s "+$((1024*1024))" $OUT
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# Create the partition table in $OUT (assumes sectors of 512 bytes)
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sgdisk -n 1:2048:+2M -c 1:legacy -t 1:EF02 $OUT
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sgdisk -n 2:0:+20M -c 2:UEFI -t 2:EF00 $OUT
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sgdisk -n 3:0:+64M -c 3:oem -t 3:8300 $OUT
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sgdisk -n 4:0:+2048M -c 4:root -t 4:8300 $OUT
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