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Merge pull request #58100 from verb/feature-shared-pid

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Automatic merge from submit-queue (batch tested with PRs 54230, 58100, 57861, 54752). 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>.

Add a feature flag for sharing process namespace between containers in a pod

**What this PR does / why we need it**:
This adds a feature flag for the feature described in kubernetes/features#495.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:
/assign @dchen1107 

**Release note**:

```release-note
NONE
```
This commit is contained in:
Kubernetes Submit Queue 2018-01-10 13:29:33 -08:00 committed by GitHub
commit 99221727f7
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1 changed files with 8 additions and 1 deletions
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9
pkg/features/kube_features.go
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@ -118,11 +118,17 @@ const (
ExpandPersistentVolumes utilfeature.Feature = "ExpandPersistentVolumes" ExpandPersistentVolumes utilfeature.Feature = "ExpandPersistentVolumes"
// owner: @verb // owner: @verb
// alpha: v1.8 // alpha: v1.10
// //
// Allows running a "debug container" in a pod namespaces to troubleshoot a running pod. // Allows running a "debug container" in a pod namespaces to troubleshoot a running pod.
DebugContainers utilfeature.Feature = "DebugContainers" DebugContainers utilfeature.Feature = "DebugContainers"
// owner: @verb
// alpha: v1.10
//
// Allows all containers in a pod to share a process namespace.
PodShareProcessNamespace utilfeature.Feature = "PodShareProcessNamespace"
// owner: @bsalamat // owner: @bsalamat
// alpha: v1.8 // alpha: v1.8
// //
@ -239,6 +245,7 @@ var defaultKubernetesFeatureGates = map[utilfeature.Feature]utilfeature.FeatureS
LocalStorageCapacityIsolation: {Default: false, PreRelease: utilfeature.Alpha}, LocalStorageCapacityIsolation: {Default: false, PreRelease: utilfeature.Alpha},
HugePages: {Default: true, PreRelease: utilfeature.Beta}, HugePages: {Default: true, PreRelease: utilfeature.Beta},
DebugContainers: {Default: false, PreRelease: utilfeature.Alpha}, DebugContainers: {Default: false, PreRelease: utilfeature.Alpha},
PodShareProcessNamespace: {Default: false, PreRelease: utilfeature.Alpha},
PodPriority: {Default: false, PreRelease: utilfeature.Alpha}, PodPriority: {Default: false, PreRelease: utilfeature.Alpha},
EnableEquivalenceClassCache: {Default: false, PreRelease: utilfeature.Alpha}, EnableEquivalenceClassCache: {Default: false, PreRelease: utilfeature.Alpha},
TaintNodesByCondition: {Default: false, PreRelease: utilfeature.Alpha}, TaintNodesByCondition: {Default: false, PreRelease: utilfeature.Alpha},