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kubernetes/cluster/gce
Kubernetes Submit Queue 5632613c5b Merge pull request #51069 from MrHohn/kube-proxy-pod-priority
Automatic merge from submit-queue (batch tested with PRs 51553, 51538, 51663, 51069, 51737)

Allow enable pod priority feature gate for GCE and configure priority for kube-proxy

**What this PR does / why we need it**:
From #23225, this PR adds an option for user to enable pod priority feature gate using GCE startup scripts, and configure pod priority for kube-proxy when enabled.

The setup `priorityClassName: system` derives from: ce1485c626/staging/src/k8s.io/api/core/v1/types.go (L2536-L2542)

The plan is to configure pod priority for kube-proxy daemonset (https://github.com/kubernetes/kubernetes/pull/50705) in the same way.

**Special notes for your reviewer**:
cc @bsalamat @davidopp @thockin 

**Release note**:

```release-note
When using kube-up.sh on GCE, user could set env `ENABLE_POD_PRIORITY=true` to enable pod priority feature gate.
```
2017-09-02 21:58:04 -07:00
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