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fix(catalog): reject a malformed port when the catalog loads, instead of a 500 at deploy - #425
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… of a 500 at deploy
A port the deploy parser could not read ("9980", ":9980", "x:1:1") loaded
fine and then crashed the deploy with a 500. One parser, catalog.parse_port,
now serves the loader, the deploy route and LAN isolation: the loader rejects
the entry and names the bad mapping, and the route answers 400 if one gets
past it.
A rejected entry is dropped with only a log line, and neither guard noticed
one going missing: the CI step failed only if ZERO services loaded, the test
only below 40. Both now compare against the files on disk.
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📝 WalkthroughWalkthroughDocker port mappings now use a shared parser for catalog validation, deployment, and LAN isolation. The catalog check also compares service files with loaded service slugs. ChangesDocker Port Mapping Handling
Catalog Completeness Check
Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~20 minutes Change: Bug fix Merge Risk: 🟡 Moderate · up to The fix improves port validation, but two gaps remain. A catalog entry with an empty 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
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Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #425 +/- ##
=======================================
Coverage 95.84% 95.85%
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Files 52 52
Lines 7612 7648 +36
=======================================
+ Hits 7296 7331 +35
- Misses 316 317 +1
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Actionable comments posted: 4
- 🪄 Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @.github/workflows/catalog-check.yml:
- Line 50: Update the on_disk set comprehension in the catalog completeness
check to include both .yml and .yaml files, applying the existing
underscore-file exclusion to both extensions.
Review comments at @app/catalog.py:
- Line 129: Update the `ports` validation in the catalog parsing flow to
distinguish a missing field from an explicitly null value. Reject `docker.ports`
when the key is present but its value is `None`, while preserving the default
behavior when the field is absent.
- Line 136: Update catalog validation around parse_port to track the Docker key
produced by each mapping and reject a service when a key is repeated. Preserve
valid distinct mappings so api_deploy cannot overwrite a loopback-only binding
with another mapping for the same key.
Review comments at @tests/test_catalog_loader.py:
- Line 205: Update the `on_disk` set in the completeness check to include
service files with both `.yml` and `.yaml` extensions, while continuing to
exclude filenames that start with `_`.
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.github/workflows/catalog-check.ymlapp/catalog.pyapp/lan_isolation.pyapp/main.pytests/test_catalog_loader.pytests/test_main_deploy_routes.py
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…ainer port From review on #425: - `ports:`, `env:` or `volumes:` with nothing after it loads as None, passed validation and 500'd the deploy, which iterates them without a fallback. - "127.0.0.1:9980:9980" then "9981:9980" both parse to 9980/tcp, and the deploy keeps the last one, so a loopback bind could be silently made public. - The completeness checks counted only .yml files; the loader reads .yaml too.
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CodeRabbit flagged this on #423. A catalog port the deploy code could not read, such as
9980,:9980orx:1:1, loaded without complaint and then crashed the deploy with a 500. The problem predated #423, but nothing stopped a malformed entry from shipping.There is now one parser,
catalog.parse_port, used by the loader, the deploy route and LAN isolation. It acceptsHOST:CONTAINERandADDRESS:HOST:CONTAINER, an optional/tcpor/udp, ports 1 to 65535 and IPv4 addresses. The loader rejects anything else and names the bad mapping. The deploy route answers 400 if one ever gets past the loader.That exposed a second hole. A rejected entry is dropped with only a log line, and neither guard noticed one going missing. The catalog CI step failed only when zero services loaded, and the loader test only when fewer than 40 did. Both now compare the loaded services against the files on disk. I checked both ways: with one entry's port changed to
9981, the old step passes (51 of 52 load) and the new one fails with['sia-hostd'], and the test fails the same way.All 12 new tests fail on main and pass here.
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