fix(iluvatar): read the scaled core limit as a per card value - #2961
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ChangesIluvatar multi-card resource requests
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: ⚪ Minimal · up to The change corrects multi-card Iluvatar core-limit handling while preserving existing validation. No actionable merge-blocking risk remains beyond normal checks and review. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
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Inline comments:
In `@pkg/device/iluvatar/device.go`:
- Line 233: Update the validation around the aggregate core limit in the device
configuration parsing flow to reject positive limits that are not evenly
divisible by the card count before computing the per-card value. Preserve
existing invalid-input checks, and add a regression case covering a
non-divisible multi-card limit such as 201 with two cards.
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pkg/device/iluvatar/device.gopkg/device/iluvatar/device_test.go
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MutateAdmission rewrites the core limit to count*100 when more than one device is requested, so for a multi card request the limit holds the total across the cards. GenerateResourceRequests compared that total against the 0-100 per card range and rejected it, so every multi card request returned an empty ContainerDeviceRequest and the pod was scheduled with no device at all. Divide only when the limit exceeds 100, since a value above 100 cannot be a per card percentage and must therefore be a total. Anything at or below 100 is already per card and is left alone, which matters because the admission webhook is optional: it can be disabled, it defaults to failurePolicy Ignore, and a namespace or pod can carry hami.io/webhook: ignore. On those paths the limit was never scaled, and dividing it would have silently cut an operator's request. A total that does not divide evenly is rejected rather than truncated, because Coresreq 0 is a distinct case meaning no core limit rather than a small one. Signed-off-by: mesutoezdil <mesudozdil@gmail.com>
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: archlitchi, mesutoezdil The full list of commands accepted by this bot can be found here. The pull request process is described here DetailsNeeds approval from an approver in each of these files:
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…HAMi#2961) MutateAdmission rewrites the core limit to count*100 when more than one device is requested, so for a multi card request the limit holds the total across the cards. GenerateResourceRequests compared that total against the 0-100 per card range and rejected it, so every multi card request returned an empty ContainerDeviceRequest and the pod was scheduled with no device at all. Divide only when the limit exceeds 100, since a value above 100 cannot be a per card percentage and must therefore be a total. Anything at or below 100 is already per card and is left alone, which matters because the admission webhook is optional: it can be disabled, it defaults to failurePolicy Ignore, and a namespace or pod can carry hami.io/webhook: ignore. On those paths the limit was never scaled, and dividing it would have silently cut an operator's request. A total that does not divide evenly is rejected rather than truncated, because Coresreq 0 is a distinct case meaning no core limit rather than a small one. Signed-off-by: mesutoezdil <mesudozdil@gmail.com>
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