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Non-zero cfs quota period duration requires feature flag

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This commit is contained in:
Karan Goel
2020-09-10 09:34:16 -07:00
parent 88512be213
commit a49760bfce
3 changed files with 22 additions and 4 deletions
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8
pkg/kubelet/apis/config/validation/validation.go
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@@ -20,6 +20,7 @@ import (
"fmt"
"time"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
utilerrors "k8s.io/apimachinery/pkg/util/errors"
utilvalidation "k8s.io/apimachinery/pkg/util/validation"
utilfeature "k8s.io/apiserver/pkg/util/feature"
@@ -31,6 +32,10 @@ import (
kubetypes "k8s.io/kubernetes/pkg/kubelet/types"
)
var (
defaultCFSQuota = metav1.Duration{Duration: 100 * time.Millisecond}
)
// ValidateKubeletConfiguration validates `kc` and returns an error if it is invalid
func ValidateKubeletConfiguration(kc *kubeletconfig.KubeletConfiguration) error {
allErrors := []error{}
@@ -60,6 +65,9 @@ func ValidateKubeletConfiguration(kc *kubeletconfig.KubeletConfiguration) error
if kc.HealthzPort != 0 && utilvalidation.IsValidPortNum(int(kc.HealthzPort)) != nil {
allErrors = append(allErrors, fmt.Errorf("invalid configuration: HealthzPort (--healthz-port) %v must be between 1 and 65535, inclusive", kc.HealthzPort))
}
if !localFeatureGate.Enabled(features.CPUCFSQuotaPeriod) && kc.CPUCFSQuotaPeriod != defaultCFSQuota {
allErrors = append(allErrors, fmt.Errorf("invalid configuration: CPUCFSQuotaPeriod %v requires feature gate CustomCPUCFSQuotaPeriod", kc.CPUCFSQuotaPeriod))
}
if localFeatureGate.Enabled(features.CPUCFSQuotaPeriod) && utilvalidation.IsInRange(int(kc.CPUCFSQuotaPeriod.Duration), int(1*time.Microsecond), int(time.Second)) != nil {
allErrors = append(allErrors, fmt.Errorf("invalid configuration: CPUCFSQuotaPeriod (--cpu-cfs-quota-period) %v must be between 1usec and 1sec, inclusive", kc.CPUCFSQuotaPeriod))
}