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Merge pull request #124715 from SataQiu/fix-kubeadm-20240507

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kubeadm: remove deprecated UpgradeAddonsBeforeControlPlane featuregate
This commit is contained in:
Kubernetes Prow Robot 2024-05-07 13:29:24 -07:00 committed by GitHub
commit 78bc18dcb0
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3 changed files with 7 additions and 32 deletions
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3
cmd/kubeadm/app/cmd/phases/upgrade/node/controlplane.go
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@ -24,7 +24,6 @@ import (
"k8s.io/kubernetes/cmd/kubeadm/app/cmd/options"
"k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow"
"k8s.io/kubernetes/cmd/kubeadm/app/features"
"k8s.io/kubernetes/cmd/kubeadm/app/phases/upgrade"
"k8s.io/kubernetes/cmd/kubeadm/app/util/apiclient"
)
@ -79,11 +78,9 @@ func runControlPlane() func(c workflow.RunData) error {
return errors.Wrap(err, "couldn't complete the static pod upgrade")
}
if !features.Enabled(cfg.FeatureGates, features.UpgradeAddonsBeforeControlPlane) {
if err := upgrade.PerformAddonsUpgrade(client, cfg, data.OutputWriter()); err != nil {
return errors.Wrap(err, "failed to perform addons upgrade")
}
}
fmt.Println("[upgrade] The control plane instance for this node was successfully updated!")

6
cmd/kubeadm/app/features/features.go
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@ -36,8 +36,6 @@ const (
RootlessControlPlane = "RootlessControlPlane"
// EtcdLearnerMode is expected to be in alpha in v1.27, beta in v1.29
EtcdLearnerMode = "EtcdLearnerMode"
// UpgradeAddonsBeforeControlPlane is expected to be in deprecated in v1.28 and will be removed in future release
UpgradeAddonsBeforeControlPlane = "UpgradeAddonsBeforeControlPlane"
// WaitForAllControlPlaneComponents is expected to be alpha in v1.30
WaitForAllControlPlaneComponents = "WaitForAllControlPlaneComponents"
)
@ -51,10 +49,6 @@ var InitFeatureGates = FeatureList{
},
RootlessControlPlane: {FeatureSpec: featuregate.FeatureSpec{Default: false, PreRelease: featuregate.Alpha}},
EtcdLearnerMode: {FeatureSpec: featuregate.FeatureSpec{Default: true, PreRelease: featuregate.Beta}},
UpgradeAddonsBeforeControlPlane: {
FeatureSpec: featuregate.FeatureSpec{Default: false, PreRelease: featuregate.Deprecated},
DeprecationMessage: "The UpgradeAddonsBeforeControlPlane feature gate is deprecated and will be removed in a future release.",
},
WaitForAllControlPlaneComponents: {FeatureSpec: featuregate.FeatureSpec{Default: false, PreRelease: featuregate.Alpha}},
}

18
cmd/kubeadm/app/phases/upgrade/postupgrade.go
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@ -35,7 +35,6 @@ import (
kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
kubeadmconstants "k8s.io/kubernetes/cmd/kubeadm/app/constants"
"k8s.io/kubernetes/cmd/kubeadm/app/features"
"k8s.io/kubernetes/cmd/kubeadm/app/phases/addons/dns"
"k8s.io/kubernetes/cmd/kubeadm/app/phases/addons/proxy"
"k8s.io/kubernetes/cmd/kubeadm/app/phases/bootstraptoken/clusterinfo"
@ -114,31 +113,16 @@ func PerformPostUpgradeTasks(client clientset.Interface, cfg *kubeadmapi.InitCon
}
// PerformAddonsUpgrade performs the upgrade of the coredns and kube-proxy addons.
// When UpgradeAddonsBeforeControlPlane feature gate is enabled, the addons will be upgraded immediately.
// When UpgradeAddonsBeforeControlPlane feature gate is disabled, the addons will only get updated after all the control plane instances have been upgraded.
func PerformAddonsUpgrade(client clientset.Interface, cfg *kubeadmapi.InitConfiguration, out io.Writer) error {
unupgradedControlPlanes, err := unupgradedControlPlaneInstances(client, cfg.NodeRegistration.Name)
if err != nil {
err = errors.Wrapf(err, "failed to determine whether all the control plane instances have been upgraded")
if !features.Enabled(cfg.FeatureGates, features.UpgradeAddonsBeforeControlPlane) {
return err
}
// when UpgradeAddonsBeforeControlPlane feature gate is enabled, just throw a warning
klog.V(1).Info(err)
return errors.Wrapf(err, "failed to determine whether all the control plane instances have been upgraded")
}
if len(unupgradedControlPlanes) > 0 {
if !features.Enabled(cfg.FeatureGates, features.UpgradeAddonsBeforeControlPlane) {
fmt.Fprintf(out, "[upgrade/addons] skip upgrade addons because control plane instances %v have not been upgraded\n", unupgradedControlPlanes)
return nil
}
// when UpgradeAddonsBeforeControlPlane feature gate is enabled, just throw a warning
klog.V(1).Infof("upgrading addons when control plane instances %v have not been upgraded "+
"may lead to incompatibility problems. You can disable the UpgradeAddonsBeforeControlPlane feature gate to "+
"ensure that the addons upgrade is executed only when all the control plane instances have been upgraded.", unupgradedControlPlanes)
}
var errs []error
// If the coredns ConfigMap is missing, show a warning and assume that the