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Add validation to MaxLimitRequestRatio in LimitRange

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MaxLimitRequestRatio should >=1
MaxLimitRequestRatio should <= max/min(if both are specified)
This commit is contained in:
hurf
2015-09-11 15:38:38 +08:00
parent d5b33614c3
commit daeae81e1e
2 changed files with 46 additions and 1 deletions
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23
pkg/api/validation/validation.go
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@@ -1448,6 +1448,7 @@ func ValidateLimitRange(limitRange *api.LimitRange) errs.ValidationErrorList {
max := map[string]resource.Quantity{}
defaults := map[string]resource.Quantity{}
defaultRequests := map[string]resource.Quantity{}
maxLimitRequestRatios := map[string]resource.Quantity{}
for k, q := range limit.Max {
allErrs = append(allErrs, validateResourceName(string(k), fmt.Sprintf("spec.limits[%d].max[%s]", i, k))...)
@@ -1480,8 +1481,10 @@ func ValidateLimitRange(limitRange *api.LimitRange) errs.ValidationErrorList {
}
}
for k := range limit.MaxLimitRequestRatio {
for k, q := range limit.MaxLimitRequestRatio {
allErrs = append(allErrs, validateResourceName(string(k), fmt.Sprintf("spec.limits[%d].maxLimitRequestRatio[%s]", i, k))...)
keys.Insert(string(k))
maxLimitRequestRatios[string(k)] = q
}
for k := range keys {
@@ -1489,6 +1492,7 @@ func ValidateLimitRange(limitRange *api.LimitRange) errs.ValidationErrorList {
maxQuantity, maxQuantityFound := max[k]
defaultQuantity, defaultQuantityFound := defaults[k]
defaultRequestQuantity, defaultRequestQuantityFound := defaultRequests[k]
maxRatio, maxRatioFound := maxLimitRequestRatios[k]
if minQuantityFound && maxQuantityFound && minQuantity.Cmp(maxQuantity) > 0 {
allErrs = append(allErrs, errs.NewFieldInvalid(fmt.Sprintf("spec.limits[%d].min[%s]", i, k), minQuantity, fmt.Sprintf("min value %s is greater than max value %s", minQuantity.String(), maxQuantity.String())))
@@ -1513,6 +1517,23 @@ func ValidateLimitRange(limitRange *api.LimitRange) errs.ValidationErrorList {
if defaultQuantityFound && maxQuantityFound && defaultQuantity.Cmp(maxQuantity) > 0 {
allErrs = append(allErrs, errs.NewFieldInvalid(fmt.Sprintf("spec.limits[%d].default[%s]", i, k), maxQuantity, fmt.Sprintf("default value %s is greater than max value %s", defaultQuantity.String(), maxQuantity.String())))
}
if maxRatioFound && maxRatio.Cmp(*resource.NewQuantity(1, resource.DecimalSI)) < 0 {
allErrs = append(allErrs, errs.NewFieldInvalid(fmt.Sprintf("spec.limits[%d].maxLimitRequestRatio[%s]", i, k), maxRatio, fmt.Sprintf("maxLimitRequestRatio %s is less than 1", maxRatio.String())))
}
if maxRatioFound && minQuantityFound && maxQuantityFound {
maxRatioValue := float64(maxRatio.Value())
minQuantityValue := minQuantity.Value()
maxQuantityValue := maxQuantity.Value()
if maxRatio.Value() < resource.MaxMilliValue && minQuantityValue < resource.MaxMilliValue && maxQuantityValue < resource.MaxMilliValue {
maxRatioValue = float64(maxRatio.MilliValue()) / 1000
minQuantityValue = minQuantity.MilliValue()
maxQuantityValue = maxQuantity.MilliValue()
}
maxRatioLimit := float64(maxQuantityValue) / float64(minQuantityValue)
if maxRatioValue > maxRatioLimit {
allErrs = append(allErrs, errs.NewFieldInvalid(fmt.Sprintf("spec.limits[%d].maxLimitRequestRatio[%s]", i, k), maxRatio, fmt.Sprintf("maxLimitRequestRatio %s is greater than max/min = %f", maxRatio.String(), maxRatioLimit)))
}
}
}
}