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docker_dataroot.sh backs each node's ZFS pool with a sparse loop image
and created the pool without autotrim. ZFS never discarded freed blocks
to the loop device, so the image only grew: in WordPress#0 of run
40625679270 the runner still held 118G after the teardown had removed
every container ("Containers: 0") while only 47G of files remained, and
the pools held ~38G of live data. The step had already aborted at
"DISK EXHAUSTION IMMINENT (<6144M free on /)" with 139G of 145G used
(rc=75). The other ZFS swarm jobs of the run show the same df-minus-du
gap (wordpress1 73G, odoo1 73G, magento0 82G, weblate1 55G, gitlab2
44G); ext4 and btrfs jobs show none.
The pool is now created with -o autotrim=on, so ZFS discards freed
ranges to the loop device, which punches holes into the image file.
test_docker_dataroot runs the script's zfs path against stubs of every
host tool and asserts the single zpool create carries -o autotrim=on;
against the previous script that assertion fails.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Test Utilities 🧪
This directory holds the operational side of testing in Infinito.Nexus.
These assets are meant to support confidence, not ceremony. They help the project validate real-world behavior across local development, CI environments, and deployment-oriented smoke tests. The emphasis is on practical feedback: when something breaks, the surrounding test tooling should make the failure easier to understand, easier to reproduce, and easier to clean up. 🚀
Good changes in this area usually make the test experience more:
- repeatable
- diagnosable
- environment-aware
- safe to rerun
The ideal outcome is boring reliability: contributors should be able to trust that a test run says something meaningful about the system, not just about the machine that happened to execute it. ✅