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DRA Prioritized List: quota enforcement #131805

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DRA Prioritized List: quota enforcement#131805
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mortent
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kind/featureCategorizes issue or PR as related to a new feature.Categorizes issue or PR as related to a new feature.needs-triageIndicates an issue or PR lacks a `triage/foo` label and requires one.Indicates an issue or PR lacks a `triage/foo` label and requires one.sig/schedulingCategorizes an issue or PR as relevant to SIG Scheduling.Categorizes an issue or PR as relevant to SIG Scheduling.wg/device-managementCategorizes an issue or PR as relevant to WG Device Management.Categorizes an issue or PR as relevant to WG Device Management.
@pohly

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@pohly
pohly
opened on May 16, 2025
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What would you like to be added?

When the DRAPrioritizedList feature is enabled, users can bypass the ResourceQuota checking because the resource usage calculation hasn't been updated yet to support that feature:

kubernetes/pkg/quota/v1/evaluator/core/resource_claims.go

Lines 160 to 174 in ae5523b

var numDevices int64
switch request.AllocationMode {
case resourceapi.DeviceAllocationModeExactCount:
numDevices = request.Count
case resourceapi.DeviceAllocationModeAll:
// Worst case...
numDevices = resourceapi.AllocationResultsMaxSize
default:
// Could happen after a downgrade. Unknown modes
// don't count towards the quota and users shouldn't
// expect that when downgrading.
}
quantity := result[deviceClassClaim]
quantity.Add(*(resource.NewQuantity(numDevices, resource.DecimalSI)))
result[deviceClassClaim] = quantity

/wg device-management
/sig scheduling
/cc @mortent @johnbelamaric

Why is this needed?

Must be implemented before promoting DRAPrioritizedList to beta.

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kind/featureCategorizes issue or PR as related to a new feature.Categorizes issue or PR as related to a new feature.needs-triageIndicates an issue or PR lacks a `triage/foo` label and requires one.Indicates an issue or PR lacks a `triage/foo` label and requires one.sig/schedulingCategorizes an issue or PR as relevant to SIG Scheduling.Categorizes an issue or PR as relevant to SIG Scheduling.wg/device-managementCategorizes an issue or PR as relevant to WG Device Management.Categorizes an issue or PR as relevant to WG Device Management.

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Dynamic Resource Allocation

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🏗 In progress
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