[Avocado-devel] Did Avocado assets hashing system changed?

[Daniel P. Berrangé]

On Wed, Sep 13, 2023 at 04:17:24PM +0200, Philippe Mathieu-Daudé wrote:
> Hi,
> 
> We are trying to figure out why old assets saved in our Avocado
> cache (which we populate in our various CI jobs) isn't used
> anymore.
> 
> Trying to reproduce locally, I see for example:
> 
> 2023-09-13 14:39:18,834 test             L0520 INFO | START
> 14-tests/avocado/machine_mips_malta.py:MaltaMachine.test_mipsel_malta_yamon
> 2023-09-13 14:39:18,834 test             L0205 DEBUG| DATA
> (filename=output.expected) => NOT FOUND (data sources: variant, test, file)
> 2023-09-13 14:39:18,861 asset            L0339 INFO | Asset not in cache,
> fetching it.
> 2023-09-13 14:39:18,862 download         L0067 INFO | Fetching
> http://www.imgtec.com/tools/mips-tools/downloads/yamon/yamon-bin-02.22.zip
> -> /home/philippe.mathieu-daude/avocado/data/cache/by_location/70c32932b7794b6b37a5040a8808ac943699b944/yamon-bin-02.22.zip.csi3gk2v
> 2023-09-13 14:39:18,940 asset            L0144 INFO | Temporary asset file
> unavailable due to failed download attempt.
> 2023-09-13 14:39:18,940 asset            L0378 ERROR| HTTPError: HTTP Error
> 403: Forbidden
> 
> I remember this test used to pass last year, so checking the file I
> can see:
> 
> $ find ~/avocado/data/ -name yamon-bin-02.22.zip\* -ls
>   1489611   6629 -rw-r--r--   1 philmd primary   6776580 Dec 30  2022 /home/philmd/avocado/data/cache/by_location/c1961386ba52f06c6005b48cd32195a371152769/yamon-bin-02.22.zip
>   1489613      1 -rw-r--r--   1 philmd primary        46 Dec 30  2022 /home/philmd/avocado/data/cache/by_location/c1961386ba52f06c6005b48cd32195a371152769/yamon-bin-02.22.zip-CHECKSUM
> 
> But the hash is different... Looking at QEMU git history we haven't
> changed the URL in tests/avocado/machine_mips_malta.py, so I wonder,
> did Avocado changed its asset hashing during the last year?

How can it have changed when we've been pinned to avocado 88.1 for
ages now, not consuming new versions ?

With regards,
Daniel
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