Łukasz Paszkowski 5f6df4eb97 test/storage: Properly mount/clear volumes ...

Due to a missing functionality in PythonTest, `unshare` is never used
to mount volumes. As a consequence:
+ volumes are created with sudo which is undesired
+ they are not cleared automatically

Even having the missing support in place, the approach with mounting
volumes with `unshare` would not work as http server, a pool of clusters,
and scylla cluster manager are started outside of the new namespace.
Thus cluster would have no access to volumes created with `unshare`.

The new approach that works with and without dbuild and does not require
sudo, uses the following three commands to mount a volume:

truncate -s 100M /tmp/mydevice.img
mkfs.ext4 /tmp/mydevice.img
fuse2fs /tmp/mydevice.img test/

Additionally, a proper cleanup is performed, i.e. servers are stopped
gracefully and and volumes are unmounted after the tests using them are
completed.

Fixes: https://github.com/scylladb/scylladb/issues/25906

Closes scylladb/scylladb#26065

2025-09-25 11:05:50 +03:00

3.3 KiB

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