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add emulated-version flag to kube-scheduler to control the feature gate. 

Signed-off-by: Siyuan Zhang <sizhang@google.com>

Kubernetes-commit: 40cddbe21516122a528e2afb2b1fbcaed1acbe8a
This commit is contained in:
Siyuan Zhang 2024-06-27 11:56:49 -07:00 committed by Kubernetes Publisher
parent 2e2bf0d328
commit 7f5df11548
1 changed files with 12 additions and 0 deletions
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12
pkg/util/version/version.go
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@ -155,3 +155,15 @@ func DefaultKubeEffectiveVersion() MutableEffectiveVersion {
binaryVersion := version.MustParse(baseversion.DefaultKubeBinaryVersion).WithInfo(baseversion.Get())
return newEffectiveVersion(binaryVersion)
}
// ValidateKubeEffectiveVersion validates the EmulationVersion is equal to the binary version at 1.31 for kube components.
// TODO: remove in 1.32
// emulationVersion is introduced in 1.31, so it is only allowed to be equal to the binary version at 1.31.
func ValidateKubeEffectiveVersion(effectiveVersion EffectiveVersion) error {
binaryVersion := version.MajorMinor(effectiveVersion.BinaryVersion().Major(), effectiveVersion.BinaryVersion().Minor())
if binaryVersion.EqualTo(version.MajorMinor(1, 31)) && !effectiveVersion.EmulationVersion().EqualTo(binaryVersion) {
return fmt.Errorf("emulation version needs to be equal to binary version(%s) in compatibility-version alpha, got %s",
binaryVersion.String(), effectiveVersion.EmulationVersion().String())
}
return nil
}