fix(rest-api): reject heterogeneous ExpectedMachine batch updates - #5501
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fix(rest-api): reject heterogeneous ExpectedMachine batch updates#5501chet wants to merge 1 commit into
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ExpectedMachine batch updates already require every item to provide the same fields, except `bmcIpAddress`. The handler validated each item independently, so mismatched field sets could reach `ExpectedMachine.UpdateMultiple` and write zero values through its shared column list. Compare effective field presence before any database or workflow work begins. Items may still use different values, empty collections remain explicit clears, and `bmcIpAddress` keeps its existing set, clear, omit, and `null` behavior. This supports NVIDIA#5458 Signed-off-by: Chet Nichols III <chetn@nvidia.com>
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Summary by CodeRabbit
WalkthroughExpectedMachine batch updates now track provided fields and require consistent field sets across items, excluding ChangesExpectedMachine batch validation
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: ⚪ Minimal · up to The change adds localized batch-field validation before database work with expanded test coverage. The remaining concern is limited to test organization and does not indicate a correctness or production-impact issue; no actionable merge-blocking risk remains after normal checks. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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🐇🔍 ✅ Action performedFull review finished. |
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In `@rest-api/api/pkg/api/handler/expectedmachine_test.go`:
- Around line 2720-2724: Move the standalone helper subtests, including the
request/update field-count check around expectedMachineUpdateFieldSet and the
scenario near the later referenced section, into the existing fieldPresenceTests
table-driven test. Represent each as table entries and execute them through the
same top-level test, removing separate direct t.Run blocks while preserving
their assertions.
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rest-api/api/pkg/api/handler/expectedmachine.gorest-api/api/pkg/api/handler/expectedmachine_test.go
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Sinck
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Aug 28, 2026
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Note
This is a follow-up to discussion + decision made in #5373.
ExpectedMachine batch PATCH requests already require each item to provide the same update fields, except for the documented per-machine
bmcIpAddressbehavior. The handler was validating each item on its own, so a batch with mismatched fields could reachExpectedMachine.UpdateMultiple; its shared column list could then write a model zero value into a row that omitted that field.This compares which fields are present before any database or workflow work begins. Values may still differ between machines, empty collections remain explicit clears, and
bmcIpAddresscontinues to support per-machine set, clear, omit, andnullbehavior.Related issues
This supports #5458
Type of Change
Breaking Changes
Testing
Unit tests added/updated
Integration tests added/updated
Manual testing performed
No testing required (docs, internal refactor, etc.)
Added table-driven coverage for every update field, including empty collections and host lifecycle profile settings.
The full REST API test suite passes, including handler coverage that rejects mismatched batches before database access and preserves the existing BMC IP behavior.
Review Findings
Model Findings Overview
All four local reviewers completely covered the same stable pre-fix tree; the active model then completed a bounded post-fix closure review of the final diff.
Model Findings Details
Codex self-review
No findings.
CodeRabbit CLI
No findings.
Claude CLI
bmcIpAddressto differ, and changing that contract is outside this fix.common-nits-reviewer
No findings.