tinyramfs/test/zfs.test
illiliti 189756fce2 Revert "test/*: skip test if essential module not loaded"
This reverts commit b9d168b0e6.

This breaks kernels with builtin modules.
2021-07-31 21:17:17 +03:00

132 lines
2.4 KiB
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#!/bin/sh
. ../lib/common.sh
cleanup()
{
zpool export "$pool" || :
qemu-nbd -d /dev/nbd0 || :
rm -rf "$tmpdir"
}
command -v zfs > /dev/null || exit 222
set -ef
trap cleanup EXIT INT
devmgr=${DEVMGR:-proc}
arch=${ARCH:-$(uname -m)}
kernel=${KERNEL:-$(uname -r)}
vmlinuz=${VMLINUZ:-"/boot/vmlinuz-${kernel}"}
mkdir -p "${tmpdir:=${TMPDIR:-/tmp}/${0##*/}.$$}"
pool="pool$$"
root="${tmpdir}/root"
config="${tmpdir}/config"
image="${tmpdir}/root.qcow2"
initrd="${tmpdir}/initramfs-$(uname -r)"
qemu-img create -f qcow2 "$image" 1G
qemu-nbd -c /dev/nbd0 "$image"
# o: Create MBR table.
# n: Add new partition to table.
# p: Primary partition.
# 1: Partition number.
# newline: Use default value for first sector.
# newline: Use default value for last sector.
# w: Write changes and re-read partition table.
fdisk /dev/nbd0 << EOF
o
n
p
1
w
EOF
dd bs=512 count=1 if=/dev/urandom of="${tmpdir}/key"
zpool create -m none "$pool" /dev/nbd0p1
zfs create \
-o mountpoint=legacy \
-o canmount=noauto \
-o encryption=on \
-o keyformat=passphrase \
-o keylocation="file://${tmpdir}/key" \
"${pool}/root"
cat > "$config" << EOF
hooks=$devmgr,zfs
root=${pool}/root
root_type=zfs
# required if mountpoint != legacy
#root_opts=zfsutil
zfs_key=${tmpdir}/key
# toybox/busybox blkid doesn't support zfs. fallback to /dev/* (unstable)
zfs_root=/dev/vda1
EOF
mkdir -p "$root"
mount -t zfs "${pool}/root" "$root"
(
tmpdir=$root; cd "$tmpdir"
mkdir -p \
dev sys tmp run proc \
root usr/lib usr/bin
ln -s usr/lib lib
ln -s usr/bin bin
ln -s usr/bin sbin
ln -s bin usr/sbin
copy_exec sh
copy_exec zfs
cat > sbin/init << EOF
#!/bin/sh
exec zfs set success:=true "${pool}/root"
EOF
chmod +x sbin/init
)
zpool export "$pool"
qemu-nbd -d /dev/nbd0
(cd .. && ./tinyramfs -lk "$kernel" -c "$config" "$initrd")
set -- \
-no-reboot \
-initrd "$initrd" \
-kernel "$vmlinuz" \
-device virtio-scsi \
-drive file="$image",if=virtio
if [ -c /dev/kvm ]; then
set -- -enable-kvm -cpu host "$@"
fi
if [ "$DEBUG" ]; then
set -- -append 'panic=-1 rdpanic debug rddebug console=ttyS0' -nographic "$@"
else
set -- -append 'panic=-1 rdpanic' -display none "$@"
fi
"qemu-system-${arch}" "$@"
qemu-nbd -c /dev/nbd0 "$image"
# Re-read partition table.
fdisk /dev/nbd0 << EOF
w
EOF
zpool import -Nd /dev/nbd0p1 "$pool"
[ "$(zfs get -Ho value success: "${pool}/root")" = true ]