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selftest: Fix qcow2 image format detect 

qemu-img will report "qcow2" or "qcow2 backing qcow2" for qcow2 image,
cover both case.

Signed-off-by: Kairui Song <kasong@redhat.com>
This commit is contained in:
Kairui Song 2020-10-14 16:34:35 +08:00
parent aced2c06a0
commit f85a291fcb
1 changed files with 7 additions and 3 deletions
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10
tests/scripts/image-init-lib.sh
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@ -61,6 +61,10 @@ get_image_fmt() {
return 1
}
fmt_is_qcow2() {
[ "$1" == "qcow2" ] || [ "$1" == "qcow2 backing qcow2" ]
}
# If it's partitioned, return the mountable partition, else return the dev
get_mountable_dev() {
local dev=$1 parts
@ -143,7 +147,7 @@ mount_image() {
dev="$($SUDO losetup --show -f $image)"
[ $? -ne 0 ] || [ -z "$dev" ] && perror_exit "failed to setup loop device"
elif [ "$fmt" == "qcow2" ]; then
elif fmt_is_qcow2 "$fmt"; then
prepare_nbd
dev=$(mount_nbd $image)
@ -234,11 +238,11 @@ create_image_from_base_image() {
local image_fmt=$(get_image_fmt $image)
if [ "$image_fmt" != "raw" ]; then
if [ "$image_fmt" == "qcow2" ]; then
if fmt_is_qcow2 "$image_fmt"; then
echo "Source image is qcow2, using snapshot..."
qemu-img create -f qcow2 -b $image $output
else
perror_exit "Unrecognized base image format $image_mnt"
perror_exit "Unrecognized base image format '$image_mnt'"
fi
else
echo "Source image is raw, converting to qcow2..."