fix: Run codejail with app user; more docs #124
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- Use `app` user by default; may need to switch back to `root` at some point for ease of development, but for now let's try to keep it as similar as possible to stage and prod so that we can find issues sooner. - Document the situation, and note how to enter as root (same as for any container, but may be helpful in this uncommon situation). - Correct comment for `FSIZE` - Copy `NPROC` and `PROXY` defaults into settings for reference This depends on edx/edx-arch-experiments#983, otherwise the service will start failing.
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robrap
approved these changes
Mar 19, 2025
docs/codejail.rst
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| If you need to debug the confinement, either because it is restricting too much or too little, a good strategy is to run ``tail -F /var/log/kern.log | grep codejail`` and watch for ``DENIED`` lines. You should expect to see several appear during service startup, as the service is designed to probe the confinement as part of its initial healthcheck. | ||
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| Unlike other devstack services, this one runs as the ``app`` user rather than as ``root``. In order to enter the container as root, you can use ``docker compose exec -it --user root codejail bash`` rather than ``make codejail-shell``. |
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Maybe add something like the following from your PR description:
Although this isn't strictly needed to develop, it better matches our production environment.
robrap
approved these changes
Mar 19, 2025
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appuser by default; may need to switch back torootat some point for ease of development, but for now let's try to keep it as similar as possible to stage and prod so that we can find issues sooner.FSIZENPROCandPROXYdefaults into settings for referenceThis depends on edx/edx-arch-experiments#983, otherwise the service will start failing.
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