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tests/storage-vm: Add test for live resizing of VM disks with zfs or lvm pool driver #310

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tests/storage-vm: Add test for live resizing of VM disks with zfs or lvm pool driver #310

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58 changes: 38 additions & 20 deletions tests/storage-vm
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Original file line number Diff line number Diff line change
Expand Up @@ -281,31 +281,49 @@ for poolDriver in $poolDriverList; do
echo "==> Testing VM optimized export/import (while running to check config.mount is excluded)"
! lxc export v1 --quiet --compression=none - --optimized-storage | tar -tf - | grep -F config.mount || false

echo "==> Increasing VM root disk size for next boot (24GiB)"
lxc config device set v1 root size=24GiB
[ "$(lxc config get v1 volatile.root.apply_quota)" = "true" ]
LIVE_GROWING_SUPPORTED=0
if hasNeededAPIExtension vm_zfs_storage_disk_live_resize && [ "${poolDriver}" = "zfs" ]; then
LIVE_GROWING_SUPPORTED=1
elif hasNeededAPIExtension vm_lvm_storage_disk_live_resize; then
if [ "${poolDriver}" = "lvm" ] || [ "${poolDriver}" = "lvm-thin" ]; then
LIVE_GROWING_SUPPORTED=1
fi
fi

if [ "${poolDriver}" != "powerflex" ]; then
echo "==> Check VM online shrink is allowed if it greater or equal to initial size"
lxc config device set v1 root size=3584MiB # initial
lxc config device set v1 root size=32GiB
if [ "${LIVE_GROWING_SUPPORTED}" = 1 ]; then
echo "==> Checking live root disk device resize support with ${poolDriver} backend"
lxc config device set v1 root size=4GiB
[ "$(($(lxc exec v1 -- blockdev --getsize64 /dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_lxd_root) / GiB))" -eq "4" ]
[ "$(lxc config get v1 volatile.root.apply_quota)" = "" ]
elif [ "${LIVE_GROWING_SUPPORTED}" = 0 ]; then
echo "==> Increasing VM root disk size for next boot (24GiB)"
lxc config device set v1 root size=24GiB
[ "$(lxc config get v1 volatile.root.apply_quota)" = "true" ]

echo "==> Setting VM root disk size for next boot (4GiB)"
lxc config device set v1 root size=4GiB # final
else
echo "==> Check VM online shrink is allowed if it greater or equal to initial size"
lxc config device set v1 root size=8GiB # initial
lxc config device set v1 root size=32GiB
if [ "${poolDriver}" != "powerflex" ]; then
echo "==> Check VM online shrink is allowed if it greater or equal to initial size"
lxc config device set v1 root size=3584MiB # initial
lxc config device set v1 root size=32GiB

echo "==> Setting VM root disk size for next boot (16GiB)"
lxc config device set v1 root size=16GiB # final
echo "==> Setting VM root disk size for next boot (4GiB)"
lxc config device set v1 root size=4GiB # final
else
echo "==> Check VM online shrink is allowed if it greater or equal to initial size"
lxc config device set v1 root size=8GiB # initial
lxc config device set v1 root size=32GiB

echo "==> Setting VM root disk size for next boot (16GiB)"
lxc config device set v1 root size=16GiB # final
fi

[ "$(lxc config get v1 volatile.root.apply_quota)" = "true" ]
lxc stop -f v1

# Proceed to actually growing the root disk
lxc start v1
[ "$(lxc config get v1 volatile.root.apply_quota)" = "" ]
fi
[ "$(lxc config get v1 volatile.root.apply_quota)" = "true" ]
lxc stop -f v1

# Proceed to actually growing the root disk
lxc start v1
[ "$(lxc config get v1 volatile.root.apply_quota)" = "" ]
lxc stop -f v1

echo "==> Check VM offline shrink is blocked"
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