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WIP v0 NVIDIA GPU support

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Implements part of #24071

I am not familiar with the scheduler enough to know what to do with the scores. Punting for now.

Missing items from the implementation plan: limitranger, rkt support, kubectl
support and user docs
This commit is contained in:
Rudi Chiarito
2016-04-26 20:54:19 -04:00
parent 57359e4f2f
commit 362c763fca
21 changed files with 858 additions and 666 deletions
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7
pkg/api/validation/validation.go
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@@ -2464,6 +2464,7 @@ func validateBasicResource(quantity resource.Quantity, fldPath *field.Path) fiel
func ValidateResourceRequirements(requirements *api.ResourceRequirements, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
limPath := fldPath.Child("limits")
reqPath := fldPath.Child("requests")
for resourceName, quantity := range requirements.Limits {
fldPath := limPath.Key(string(resourceName))
// Validate resource name.
@@ -2474,12 +2475,14 @@ func ValidateResourceRequirements(requirements *api.ResourceRequirements, fldPat
// Check that request <= limit.
requestQuantity, exists := requirements.Requests[resourceName]
if exists {
if quantity.Cmp(requestQuantity) < 0 {
// For GPUs, require that no request be set.
if resourceName == api.ResourceNvidiaGPU {
allErrs = append(allErrs, field.Invalid(reqPath, requestQuantity.String(), "cannot be set"))
} else if quantity.Cmp(requestQuantity) < 0 {
allErrs = append(allErrs, field.Invalid(fldPath, quantity.String(), "must be greater than or equal to request"))
}
}
}
reqPath := fldPath.Child("requests")
for resourceName, quantity := range requirements.Requests {
fldPath := reqPath.Key(string(resourceName))
// Validate resource name.