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core(generate): use first unused loopback device (#112)

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Andrew Rynhard 2018-07-02 07:16:51 -07:00 committed by GitHub
parent ea1edbbfa9
commit 7b12d6f042
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1 changed files with 20 additions and 18 deletions
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38
generate/src/entrypoint.sh
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@ -2,6 +2,8 @@
set -e set -e
LOOPBACK_DEVICE=$(losetup -f)
function size() { function size() {
du -sm ./ | cut -f1 du -sm ./ | cut -f1
} }
@ -27,13 +29,13 @@ function raw() {
parted -s -a optimal /dianemo.raw mkpart ESP fat32 0 50M parted -s -a optimal /dianemo.raw mkpart ESP fat32 0 50M
parted -s -a optimal /dianemo.raw mkpart ROOT xfs 50M $(($(size) + 100))M parted -s -a optimal /dianemo.raw mkpart ROOT xfs 50M $(($(size) + 100))M
parted -s -a optimal /dianemo.raw mkpart DATA xfs $(($(size) + 100))M 100% parted -s -a optimal /dianemo.raw mkpart DATA xfs $(($(size) + 100))M 100%
losetup /dev/loop0 /dianemo.raw losetup ${LOOPBACK_DEVICE} /dianemo.raw
partx -av /dev/loop0 partx -av ${LOOPBACK_DEVICE}
sgdisk /dev/loop0 --attributes=1:set:2 sgdisk ${LOOPBACK_DEVICE} --attributes=1:set:2
mkfs.vfat /dev/loop0p1 mkfs.vfat ${LOOPBACK_DEVICE}p1
mkfs.xfs -n ftype=1 -L ROOT /dev/loop0p2 mkfs.xfs -n ftype=1 -L ROOT ${LOOPBACK_DEVICE}p2
mkfs.xfs -n ftype=1 -L DATA /dev/loop0p3 mkfs.xfs -n ftype=1 -L DATA ${LOOPBACK_DEVICE}p3
mount /dev/loop0p1 /mnt mount ${LOOPBACK_DEVICE}p1 /mnt
mkdir -p /mnt/boot/extlinux mkdir -p /mnt/boot/extlinux
extlinux --install /mnt/boot/extlinux extlinux --install /mnt/boot/extlinux
cat <<EOF >/mnt/boot/extlinux/extlinux.conf cat <<EOF >/mnt/boot/extlinux/extlinux.conf
@ -46,14 +48,14 @@ LABEL Dianemo
EOF EOF
cp -v /rootfs/boot/* /mnt/boot cp -v /rootfs/boot/* /mnt/boot
umount /mnt umount /mnt
mount /dev/loop0p2 /mnt mount ${LOOPBACK_DEVICE}p2 /mnt
cp -Rv ./* /mnt cp -Rv ./* /mnt
rm -rf /mnt/boot rm -rf /mnt/boot
rm -rf /mnt/var/* rm -rf /mnt/var/*
umount /mnt umount /mnt
mount /dev/loop0p3 /mnt mount ${LOOPBACK_DEVICE}p3 /mnt
cp -Rv ./var/* /mnt cp -Rv ./var/* /mnt
dd if=/usr/local/src/syslinux/efi64/mbr/gptmbr.bin of=/dev/loop0 dd if=/usr/local/src/syslinux/efi64/mbr/gptmbr.bin of=${LOOPBACK_DEVICE}
cleanup cleanup
cp -v /dianemo.raw /out cp -v /dianemo.raw /out
qemu-img convert -f raw -O vmdk /out/dianemo.raw /out/dianemo.vmdk qemu-img convert -f raw -O vmdk /out/dianemo.raw /out/dianemo.vmdk
@ -64,16 +66,16 @@ function rootfs() {
parted -s /rootfs.raw mklabel gpt parted -s /rootfs.raw mklabel gpt
parted -s -a optimal /rootfs.raw mkpart ROOT xfs 0 $(($(size) + 50))M parted -s -a optimal /rootfs.raw mkpart ROOT xfs 0 $(($(size) + 50))M
parted -s -a optimal /rootfs.raw mkpart DATA xfs $(($(size) + 50))M 100% parted -s -a optimal /rootfs.raw mkpart DATA xfs $(($(size) + 50))M 100%
losetup /dev/loop0 /rootfs.raw losetup ${LOOPBACK_DEVICE} /rootfs.raw
partx -av /dev/loop0 partx -av ${LOOPBACK_DEVICE}
mkfs.xfs -n ftype=1 -L ROOT /dev/loop0p1 mkfs.xfs -n ftype=1 -L ROOT ${LOOPBACK_DEVICE}p1
mkfs.xfs -n ftype=1 -L DATA /dev/loop0p2 mkfs.xfs -n ftype=1 -L DATA ${LOOPBACK_DEVICE}p2
mount /dev/loop0p1 /mnt mount ${LOOPBACK_DEVICE}p1 /mnt
cp -Rv ./* /mnt cp -Rv ./* /mnt
rm -rf /mnt/boot rm -rf /mnt/boot
rm -rf /mnt/var/* rm -rf /mnt/var/*
umount /mnt umount /mnt
mount /dev/loop0p2 /mnt mount ${LOOPBACK_DEVICE}p2 /mnt
cp -Rv ./var/* /mnt cp -Rv ./var/* /mnt
cleanup cleanup
cp -v ./boot/vmlinuz /out cp -v ./boot/vmlinuz /out
@ -83,8 +85,8 @@ function rootfs() {
function cleanup { function cleanup {
umount /mnt || true umount /mnt || true
partx -dv /dev/loop0 || true partx -dv ${LOOPBACK_DEVICE} || true
losetup -d /dev/loop0 || true losetup -d ${LOOPBACK_DEVICE} || true
} }
trap cleanup EXIT trap cleanup EXIT