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Merge pull request #50705 from MrHohn/kube-proxy-ds

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Automatic merge from submit-queue (batch tested with PRs 50932, 49610, 51312, 51415, 50705)

Allow running kube-proxy as a DaemonSet when using kube-up.sh on GCE

**What this PR does / why we need it**:
From #23225, this PR adds an option for user to run kube-proxy as a DaemonSet instead of static pods using GCE startup scripts. By default, kube-proxy will run as static pods.

This is the first step for moving kube-proxy into a DaemonSet in GCE, remaining tasks will be tracked on #23225.

**Special notes for your reviewer**:
The last commit are purely for testing out kube-proxy as daemonset via CIs.

cc @kubernetes/sig-network-misc @kubernetes/sig-cluster-lifecycle-misc 

**Release note**:

```release-note
When using kube-up.sh on GCE, user could set env `KUBE_PROXY_DAEMONSET=true` to run kube-proxy as a DaemonSet. kube-proxy is run as static pods by default.
```
This commit is contained in:
Kubernetes Submit Queue
2017-08-29 01:17:45 -07:00
committed by GitHub
parent 0b0b2a22c5 6d35b94fc3
commit 04b3ab9aba
11 changed files with 299 additions and 33 deletions
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4
cluster/gce/config-test.sh
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@@ -356,3 +356,7 @@ PROVIDER_VARS="${PROVIDER_VARS:-} FLUENTD_GCP_MEMORY_LIMIT FLUENTD_GCP_CPU_REQUE
PROMETHEUS_TO_SD_ENDPOINT="${PROMETHEUS_TO_SD_ENDPOINT:-https://monitoring.googleapis.com/}"
PROMETHEUS_TO_SD_PREFIX="${PROMETHEUS_TO_SD_PREFIX:-custom.googleapis.com}"
ENABLE_PROMETHEUS_TO_SD="${ENABLE_PROMETHEUS_TO_SD:-true}"
# TODO(#51292): Make kube-proxy Daemonset default and remove the configuration here.
# Optional: Run kube-proxy as a DaemonSet if set to true, run as static pods otherwise.
KUBE_PROXY_DAEMONSET="${KUBE_PROXY_DAEMONSET:-false}" # true, false