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Add DisableCloudProviders FG

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FeatureGate acts as a secondary switch to disable cloud-controller loops
in KCM, Kubelet and KAPI.

Provide comprehensive logging information to users, so they will be
guided in adoption of out-of-tree cloud provider implementation.
This commit is contained in:
Danil-Grigorev
2021-03-11 13:39:25 +01:00
parent 7705b300e2
commit 5d57b3794c
5 changed files with 62 additions and 4 deletions
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7
pkg/features/kube_features.go
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@@ -617,6 +617,12 @@ const (
// Enable kubelet exec plugins for image pull credentials.
KubeletCredentialProviders featuregate.Feature = "KubeletCredentialProviders"
// owner: @andrewsykim
// alpha: v1.22
//
// Disable any functionality in kube-apiserver, kube-controller-manager and kubelet related to the `--cloud-provider` component flag.
DisableCloudProviders featuregate.Feature = "DisableCloudProviders"
// owner: @zshihang
// alpha: v1.20
// beta: v1.21
@@ -837,6 +843,7 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
NamespaceDefaultLabelName: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.24
CSIVolumeHealth: {Default: false, PreRelease: featuregate.Alpha},
WindowsHostProcessContainers: {Default: false, PreRelease: featuregate.Alpha},
DisableCloudProviders: {Default: false, PreRelease: featuregate.Alpha},
// inherited features from generic apiserver, relisted here to get a conflict if it is changed
// unintentionally on either side: