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Adding the logic to validate pod-level resources as following:

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1. The effective container requests cannot be greater than pod-level requests
2. Inidividual container limits cannot be greater than pod-level limits
3. Only CPU & Memory are supported at pod-level
4. Inplace container resources updates are not supported if pod-level resources are set
Note: effective container requests cannot be greater than pod-level limits is supported by transitivity. Effective container requests <= pod-level requests && pod-level requests <= pod-level limits; Therefore effective container requests <= pod-level limits

Signed-off-by: ndixita <ndixita@google.com>
This commit is contained in:
ndixita
2024-10-27 22:26:06 +00:00
parent a2ddde877c
commit 8a8dc27b4e
5 changed files with 651 additions and 16 deletions
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1
pkg/api/pod/util.go
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@@ -384,6 +384,7 @@ func GetValidationOptionsFromPodSpecAndMeta(podSpec, oldPodSpec *api.PodSpec, po
AllowNamespacedSysctlsForHostNetAndHostIPC: false,
AllowNonLocalProjectedTokenPath: false,
AllowPodLifecycleSleepActionZeroValue: utilfeature.DefaultFeatureGate.Enabled(features.PodLifecycleSleepActionAllowZero),
PodLevelResourcesEnabled: utilfeature.DefaultFeatureGate.Enabled(features.PodLevelResources),
}
// If old spec uses relaxed validation or enabled the RelaxedEnvironmentVariableValidation feature gate,