Merge pull request #59252 from jsafrane/mountpropagation-beta

Automatic merge from submit-queue (batch tested with PRs 59373, 59379, 59252, 58295, 57786). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Move MountPropagation to beta.

**What this PR does / why we need it**:
`MountPropagation` is needed by CSI to be on by default.

**Release note**:

```release-note
MountPropagation feature is now beta. As consequence, all volume mounts in containers are now "rslave" on Linux by default.
```

/sig storage
/assign @saad-ali @childsb
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Kubernetes Submit Queue 2018-02-05 22:28:38 -08:00 committed by GitHub
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@ -141,7 +141,7 @@ const (
TaintNodesByCondition utilfeature.Feature = "TaintNodesByCondition"
// owner: @jsafrane
// alpha: v1.8
// beta: v1.10
//
// Enable mount propagation of volumes.
MountPropagation utilfeature.Feature = "MountPropagation"
@ -265,7 +265,7 @@ var defaultKubernetesFeatureGates = map[utilfeature.Feature]utilfeature.FeatureS
PodPriority: {Default: false, PreRelease: utilfeature.Alpha},
EnableEquivalenceClassCache: {Default: false, PreRelease: utilfeature.Alpha},
TaintNodesByCondition: {Default: false, PreRelease: utilfeature.Alpha},
MountPropagation: {Default: false, PreRelease: utilfeature.Alpha},
MountPropagation: {Default: true, PreRelease: utilfeature.Beta},
ExpandPersistentVolumes: {Default: false, PreRelease: utilfeature.Alpha},
CPUManager: {Default: true, PreRelease: utilfeature.Beta},
ServiceNodeExclusion: {Default: false, PreRelease: utilfeature.Alpha},