On 20.07.21 13:38, Vladimir Sementsov-Ogievskiy wrote:
Adding support of IMGOPTS (like in bash tests) allows user to pass a
lot of different options. Still, some may require additional logic.

Now we want compression_type option, so add some smart logic around it:
ignore compression_type=zstd in IMGOPTS, if test want qcow2 in
compatibility mode. As well, ignore compression_type for non-qcow2
formats.

Note that we may instead add support only to qemu_img_create(), but
that works bad:

1. We'll have to update a lot of tests to use qemu_img_create instead
    of qemu_img('create'). (still, we may want do it anyway, but no
    reason to create a dependancy between task of supporting IMGOPTS and
    updating a lot of tests)

2. Some tests use qemu_img_pipe('create', ..) - even more work on
    updating

3. Even if we update all tests to go through qemu_img_create, we'll
    need a way to avoid creating new tests using qemu_img*('create') -
    add assertions.. That doesn't seem good.

So, let's add support of IMGOPTS to most generic
qemu_img_pipe_and_status().

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
---
  tests/qemu-iotests/iotests.py | 27 ++++++++++++++++++++++++++-
  1 file changed, 26 insertions(+), 1 deletion(-)

Reviewed-by: Hanna Reitz <hre...@redhat.com>


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