Re: [PATCH v4 05/18] ci: explicitly skip I/O tests on alpine

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 11/24/21 14:36, Thomas Huth wrote:
> On 24/11/2021 14.01, Daniel P. Berrangé wrote:
>> The block I/O tests don't work on Alpine because their alternative libc
>> impl emits different strings for errnos, which breaks the expected
>> output matching. e.g.
>>
>> === IO: pattern 102
>>   wrote 512/512 bytes at offset 512
>>   512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
>> -qemu-img: Error while reading offset 0 of
>> blkdebug:TEST_DIR/blkdebug.conf:TEST_DIR/t.IMGFMT: Input/output error
>> +qemu-img: Error while reading offset 0 of
>> blkdebug:TEST_DIR/blkdebug.conf:TEST_DIR/t.IMGFMT: I/O error
>>   4
>>   Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1073741824
>>   Formatting 'TEST_DIR/t.IMGFMT.2', fmt=IMGFMT size=0
>>
>> Currently the I/O tests are skipped as a side effect of the Alpine image
>> containing a minimal busybox 'sed' binary, rather than GNU Sed. This is
>> a fragile assumption that will be invalidated when the dockerfile is
>> changed to be autogenerated from a standardized package list that
>> includes GNU Sed.
>>
>> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
>> ---
>>   .gitlab-ci.d/buildtest.yml | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/.gitlab-ci.d/buildtest.yml b/.gitlab-ci.d/buildtest.yml
>> index 71d0f407ad..e1fe37e563 100644
>> --- a/.gitlab-ci.d/buildtest.yml
>> +++ b/.gitlab-ci.d/buildtest.yml
>> @@ -24,7 +24,7 @@ check-system-alpine:
>>         artifacts: true
>>     variables:
>>       IMAGE: alpine
>> -    MAKE_CHECK_ARGS: check
>> +    MAKE_CHECK_ARGS: check-unit check-qtest
> 
> Hmm, that's just a work-around ... what if some user wants to run "make
> check" on an Alpine installation that has the real GNU sed installed?
> ... I think this rather requires some fixing in the iotests instead - or
> maybe the related tests should simply not be in the "auto" group anymore?

Or kludge EIO in error_setg_errno_internal()?