chore(mongo): upgrade embedded MongoDB from 7.0 to 8.0 - #42153
chore(mongo): upgrade embedded MongoDB from 7.0 to 8.0#42153wyattwalter wants to merge 2 commits into
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MongoDB 8.0 requires data at featureCompatibilityVersion 7.0 or higher. Releases 2.2 and 2.3 already raise FCV to 7.0 on boot, so instances that have run either of those upgrade cleanly. The entrypoint pre-flight now reads the FCV marker's value (not just its presence): markers below 7.0 (written by 2.0/2.1, whose floor was 6.0) fall through to the one-time mongod probe, and incompatible data fails fast with guidance to hop through v2.2/v2.3 first. The fixer's FCV floor stays at 7.0, preserving rollback to the 2.x MongoDB 7 releases. The 8.0 apt series has noble packages, so the jammy fallback is gone. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Included review availability: Your plan provides up to 10 included reviews per hour; 9 remain after this review. WalkthroughThe deployment image now uses MongoDB 8.0 on Ubuntu Noble. FCV compatibility checks require FCV 7.0 and validate existing marker files before probing. MongoDB fixer documentation now describes MongoDB 8.x, rollback support, and fresh-install FCV 8.0 behavior. ChangesMongoDB 8 Upgrade Compatibility
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: ⚪ Minimal · up to The MongoDB 8 upgrade now treats malformed FCV markers conservatively and falls back to compatibility probing. No concrete current merge-blocking risk remains. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
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/build-deploy-preview base-image-tag=feature-app-14888 skip-tests=true |
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Deploying Your Preview: https://github.com/appsmithorg/appsmith/actions/runs/32383408372. |
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Deploy-Preview-URL: https://ce-42153.dp.appsmith.com |
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Shadow EE PR for CI verification: https://github.com/appsmithorg/appsmith-ee/pull/9536 — EE checks green, sync simulation (cherry-pick onto EE release) applies clean. Closed per convention; it is not a merge vehicle. |
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Inline comments:
In `@deploy/docker/fs/opt/appsmith/entrypoint.sh`:
- Around line 359-365: Update the FCV marker validation in the marker fast path
to require the complete marker value to match the expected numeric version
format before comparing its major component. Values such as 7.invalid and 7..0
must fail validation and continue to the compatibility probe, while valid
markers retain the existing skip behavior.
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Malformed marker values like 7.invalid or 7..0 produced marker_major=7 and skipped the pre-flight probe. Require the whole value to be a well-formed major.minor before trusting the major; anything else falls through to the probe, which is the fail-safe path. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Description
Upgrades the embedded MongoDB in the Docker image from 7.0.x to 8.0.x (latest patch of the 8.0 LTS line via the apt series pin; currently 8.0.29). The 8.0 series publishes Ubuntu 24.04 (noble) packages, so the jammy-packages-on-noble workaround is gone too.
MongoDB 8.x refuses to start on data below featureCompatibilityVersion (FCV) 7.0. Releases v2.2/v2.3 already raise FCV to 7.0 on boot (#41922), so instances that have run either upgrade cleanly. The startup pre-flight is adapted for the cases that haven't:
6.0(their committed floor) and prove nothing about mongod 8.x compatibility — they fall through to the one-timemongodprobe. Under the old presence-only check, that data would have skipped straight into a supervisord crash-loop.mongodb-fixer.sh's committed floor stays at 7.0 — same two-step pattern as the 6→7 upgrade — so rollback to the MongoDB-7-based releases (v2.0–v2.3) keeps working. Raising the floor to 8.0 is a later release's groundwork for MongoDB 9.External MongoDB instances are unaffected: the pre-flight and fixer only run for the embedded database (
isUriLocal), unchanged.Linear: https://linear.app/appsmith/issue/APP-14888
Impact on existing instances
7.0. No probe runs.7.0fast-path, no probe, FCV stays 7.0.6.0→ probe runs once. Data actually at FCV 7.0 (fresh 2.x installs): probe passes, marker rewritten. Data at FCV 6.0 (upgraded from 1.x): container exits 1 pre-flight with instructions to hop through v2.2/v2.3. No migrations have run at that point, so rollback is just an image-tag change.Call sites checked
ensure_mongodb_fcv_compatible(entrypoint.sh) — only consumer of the marker file; updated.mongodb-fixer.sh— only writer of the marker file; floor unchanged at 7.0, comments updated.base.dockerfile— only place the embedded mongod version is installed. mongosh comes from the same 8.0 repo; mongo database tools are built from source at 100.17.0, which supports server 8.0.mongodb@^5.8.0— officially supports ≤7.0, but its usage (hello/admin commands; backup shells out to mongodump) verified working against 8.0 in the validation runs below. Driver bump tracked separately.Validation
Local Docker upgrade-path matrix, run against this PR's DP image (
appsmith/appsmith-dp:ce-42153, mongod 8.0.29) — all passed:Automation
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Summary by CodeRabbit
Updates
Bug Fixes
Documentation