Automatic merge from submit-queue (batch tested with PRs 55265, 54092, 55353, 53733, 55385). 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>.
Symbol links of key and cert are no longer used.
**What this PR does / why we need it**:
This is unused for current cycle.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref #42660
**Special notes for your reviewer**:
/cc @mikedanese
**Release note**:
```release-note
NONE
```
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Run ResourceQuota after GenericAdmissionWebhook admission plugin to avoid charging quota prematurely
This only affects e2e tests.
fixed a typo which was causing script to break while creating a GKE cluster.
Specifically, the line "setup-addon-manifests "addons" "rbac/legacy-kubelet-user-disabled" was meant to refer to the directory cluster/addons/rbac/legacy-kubelet-user-disable. The extra "d" at the end of disable was causing the script to break.
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Add extra-args configs to kubernetes-worker charm
**What this PR does / why we need it**:
This adds `kubelet-extra-args` and `proxy-extra-args` config options to the kubernetes-worker charm, which allow operators to pass arbitrary configuraton to the kubelet and kube-proxy services.
This also fixes a bug where the equivalent config options on kubernetes-master (`api-extra-args`, `controller-manager-extra-args`, `scheduler-extra-args`) don't remove arguments from the services when they are removed from the config.
**Release note**:
```release-note
Add extra-args configs to kubernetes-worker charm
```
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Remove backfile-kubeletauth-certs from gce upgrade
**What this PR does / why we need it**:
**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**:
/cc @mikedanese
**Release note**:
```release-note
none
```
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don't check in mounter binary
```release-note
GCI mounter is moved from the manifests tarball to the server tarball.
```
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GCE: provide an option to disable docker's live-restore
**What this PR does / why we need it**:
Provide an option to disable docker's live-restore for COS/ubuntu images on GCE. Some newer COS images have live-restore enabled by default. This allows users to override the option if needed.
**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**:
**Release note**:
```release-note
GCE: provide an option to disable docker's live-restore on COS/ubuntu
```
TL;DR: "set -e" is ignored inside function foo when it's called like
"foo || something".
See https://github.com/kubernetes/kubernetes/issues/55229 for details.
This is a short-term hack that will hopefully let us at least see the
error messages whenever we hit intermittent certificate setup errors
next time. Once we know what fails there, we can start working on an
actual fix, which may very well involve rewriting this in a language
other than shell, with better error handling.
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Add extra-args configs for scheduler and controller-manager to kubernetes-master charm
**What this PR does / why we need it**:
This adds `controller-manager-extra-args` and `scheduler-extra-args` config options to the kubernetes-master charm.
These allow operators of Juju-based Kubernetes clusters to pass arbitrary arguments to kube-controller-manager and kube-scheduler as needed.
**Release note**:
```release-note
Add extra-args configs for scheduler and controller-manager to kubernetes-master charm
```
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Set the NON_MASQUERADE_CIDR to 0/0 by default in GCE/GKE
This disables masquerade rules setup by the kubelet. Additionally this adds masquerade rules based on NON_MASQUERADE_CIDR being set to 0/0.
**What this PR does / why we need it**:
**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**:
**Release note**:
```release-note
Add masquerading rules by default to GCE/GKE
```
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Adjust resources for Metrics Server
**What this PR does / why we need it**:
This PR adjusts resources set for Metrics Server by Pod Nanny to reduce resources usage by core Kubernetes components when enabling Metrics Server. In Kubernetes 1.8 Metrics Server is used only by HPAv2, other use-cases are covered by Heapster.
**Release note**:
```release-note
NONE
```
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Added logic for custom kube proxy yaml for GKE
Added yaml-replacement logic for custom kube-proxy daemon set on GKE.
Release Note:
```release-note
None
```
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Disable the grace termination period for the calico/node pod
**What this PR does / why we need it**:
Disable the termination grace period for the calico/node add-on DaemonSet. The grace period is unnecessary for calico/node and it delays restart of a new calico/node pod to take over routing and policy updates.
Setting the grace period to 0 has the special meaning of doing a force deletion, which avoids a slow round-trip through the kubelet and API server.
**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#55013
**Special notes for your reviewer**:
**Release note**:
```release-note
Disable the termination grace period for the calico/node add-on DaemonSet to reduce downtime during a rolling upgrade or deletion.
```
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Remove Google Cloud KMS's in-tree integration
Removes the following introduced by #48574 and others:
* `kms.go` which contained the cloudkms-specific code for Google Cloud KMS service.
* Registering the Google Cloud KMS in the KMS plugin registry.
* Google's `cloudkms` API package from `vendor` folder.
The following changes are upcoming:
* Removal of KMSPluginRegistry. This would not be needed anymore, since KMS providers will be out-of-tree from now on (so no need of registering them, an address of the process would be enough).
* A service which allows encrypt/decrypt functionality (satisfies `envelope.Service` interface) if initialized with an IP/Port of an out-of-tree process serving KMS requests. Will tentatively use gRPC requests to talk to this external service.
Reference: https://github.com/kubernetes/kubernetes/pull/54439#issuecomment-340062801 and https://github.com/kubernetes/kubernetes/issues/51965#issuecomment-339333937.
```release-note
Google KMS integration was removed from in-tree in favor of a out-of-process extension point that will be used for all KMS providers.
```
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Reduce metadata-proxy cpu requests to 30m
After the recent change enabling metadata-proxy in tests (https://github.com/kubernetes/kubernetes/pull/54150) we started seeing problems with scheduling cluster autoscaler on master. Metadata-proxy eats all of the available space leaving nothing for CA to run on.
This PR reduces the cpu requests for metadata-proxy allowing other components to fit in.
cc: @kubernetes/sig-autoscaling-bugs
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Add support to for alternative container runtime in `kube-up.sh`
For https://github.com/kubernetes/features/issues/286.
This PR added 4 new environment variables in `kube-up.sh` to support alternative container runtime:
1) `KUBE_MASTER_EXTRA_METADATA` and `KUBE_NODE_EXTRA_METADATA`. Add extra metadata on master and node instance. With this we could specify different cloud-init for a different container runtime, and also add extra metadata for the new cloud-init, e.g. [master.yaml](7d73966214/test/e2e/master.yaml)
2) `KUBE_CONTAINER_RUNTIME_ENDPOINT`. Specify different sock for different container runtime. It's only used when it's not empty.
3) `KUBE_LOAD_IMAGE_COMMAND`. Specify different load image command for different container runtime.
An example for cri-containerd:
```
export KUBE_MASTER_EXTRA_METADATA="user-data=${GOPATH}/src/github.com/kubernetes-incubator/cri-containerd/test/e2e/master.yaml,cri-containerd-configure-sh=${GOPATH}/src/github.com/kubernetes-incubator/cri-containerd/test/configure.sh"
export KUBE_NODE_EXTRA_METADATA="user-data=${GOPATH}/src/github.com/kubernetes-incubator/cri-containerd/test/e2e/node.yaml,cri-containerd-configure-sh=${GOPATH}/src/github.com/kubernetes-incubator/cri-containerd/test/configure.sh"
export KUBE_CONTAINER_RUNTIME="remote"
export KUBE_CONTAINER_RUNTIME_ENDPOINT="/var/run/cri-containerd.sock"
export KUBE_LOAD_IMAGE_COMMAND="/home/cri-containerd/usr/local/bin/cri-containerd load"
export NETWORK_POLICY_PROVIDER="calico"
```
Signed-off-by: Lantao Liu <lantaol@google.com>
```release-note
none
```
/cc @yujuhong @dchen1107 @feiskyer @mikebrow @abhi @mrunalp @runcom
/cc @kubernetes/sig-node-pr-reviews
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Basic GCE PodSecurityPolicy Config
**What this PR does / why we need it**:
This PR lays the foundation for enabling PodSecurityPolicy in GCE and other default deployments. The 3 commits are:
1. Add policies, roles & bindings for the default addons on GCE.
2. Enable the PSP admission controller & load the addon policies when the`ENABLE_POD_SECURITY_POLICY=true` environment variable is set.
3. Support the PodSecurityPolicy in the E2E environment & add PSP tests.
NOTES:
- ~~Depends on https://github.com/kubernetes/kubernetes/pull/52301 for privileged capabilities~~
- ~~Depends on https://github.com/kubernetes/kubernetes/pull/52849 for sane mutations~~
- ~~Depends on https://github.com/kubernetes/kubernetes/pull/53479 for aggregator tests to pass~~
- ~~Depends on https://github.com/kubernetes/kubernetes/pull/54175 for dedicated fluentd service~~ account
- This PR is a fork of https://github.com/kubernetes/kubernetes/pull/46064, credit to @Q-Lee
**Which issue this PR fixes**: #43538
**Release note**:
```release-note
Add support for PodSecurityPolicy on GCE: `ENABLE_POD_SECURITY_POLICY=true` enables the admission controller, and installs policies for default addons.
```
This node label is the same as what GKE attaches to node pools with
accelerators attached. This will help us target accelerator specific
daemonsets etc. to these nodes.
Instead of the old Accelerators feature that added
alpha.kubernetes.io/nvidia-gpu resource, use the new DevicePlugins
feature that adds vendor specific resources. (In case of nvidia it will
add nvidia.com/gpu resource.)
The grace period is unneccessary for calico/node and it delays restart of
a new calico/node pod to take over routing and policy updates.
Setting the grace period to 0 has the special meaning of doing a force deletion,
which avoids a slow round-trip through the kubelet and API server.
Fixes#55013
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extra_sans option added to load balancer
Also cleaned up kubernetes-master charm to use the new method of determining a certificate has changed.
**What this PR does / why we need it**:
Adds an option for the load balancer charm to add extra SAN entries to the generated certificate used by nginx.
**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**:
**Release note**:
```release-note
Added extra_sans config option to kubeapi-load-balancer charm. This allows the user to specify extra SAN entries on the certificate generated for the load balancer.
```
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Do not clobber KUBERNETES_PROVIDER - fix kubeadm/gce log collection
**What this PR does / why we need it**:
This gets in the way of correct log collection for at least
the kubeadm/gce jobs. Not sure if this piece of code is needed
any more.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Move hardcoded constants to the beginning of configure.sh script.
**What this PR does / why we need it**:
Move hardcoded constants of component version and sha1 to the beginning of configure.sh to make it easier for GKE image preloader to parse.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Adding support for restarting nginx on the load balancer
Added better support for knowing when certificates are written. This helps the master restart the apiserver appropriately.
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Introduce GCE-specific addons directory
**What this PR does / why we need it**:
GCE & GKE currently rely on the cluster bringup defined in the `cluster/gce` directory, but there isn't a good way of deploying GCE specific manifests. Currently the 2 approaches are, put it in `/cluster/addons`, which implies it should be generally useful (not GCE specific), or it is synthesized by one of the bash scripts in `cluster/gce`.
This PR introduces a straightforward way to have GCE-specific manifests deployed for GCE & GKE, without the need to pollute the general addon space.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#53032
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Fix iptables FORWARD policy for Docker 1.13 in kubernetes-worker charm
**What this PR does / why we need it**:
This fixes the kubernetes-worker charm to work with Docker >= 1.13 by calling `iptables -P FORWARD ACCEPT`.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
Fix iptables FORWARD policy for Docker 1.13 in kubernetes-worker charm
```
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Extract gnu-sed detection into a function
**What this PR does / why we need it**:
Moves gnu-sed detection into a reusable function across scripts (considering it's in multiple places).
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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update rbac apiversion
**What this PR does / why we need it**:
update rbac apiversion to v1
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```NONE
```
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Fix log collection for kubeadm-gce tests
**What this PR does / why we need it**:
Separate out kuberenetes-anywhere provider under cluster/ but
delegate all the functionality to the "gce" one since the code
would be the same. Except for the name of the node, the
NODE_INSTANCE_PREFIX will be different, so account for that.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Fix ENABLE_METADATA_CONCEALMENT firewall rules to respect true/false
**What this PR does / why we need it**: Fix ENABLE_METADATA_CONCEALMENT firewall rules to respect true/false; fixes introduced in #54150 (env var value of 'false' would trigger this). Ref #8867.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Add openssh-client back into the debian-hyperkube-base image
**What this PR does / why we need it**: adds `openssh-client` back into the `debian-hyperkube-base` image. This was removed in #48365, but is apparently needed by the gitRepo volume plugin.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#54129
**Special notes for your reviewer**:
I haven't yet pushed this image, so builds will fail. If this looks good, I'll push and re-trigger tests.
**Release note**:
```release-note
Add openssh-client back into the hyperkube image. This allows the gitRepo volume plugin to work properly.
```
/assign @luxas @tallclair
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Bump version of prometheus-to-sd to 0.2.2.
Bump version of prometheus-to-sd to improve logging, add pod_name and
pod_namespace flags and remove deprecated flags.
Fixes#54583
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 50776, 54395). 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 fluentd-gcp out of host network
Since metadata proxy doesn't filter service account after all, make fluentd-gcp addon run in its own network
This will mitigate the problem with port collision
```release-note
[fluentd-gcp addon] Fluentd now runs in its own network, not in the host one.
```
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Updating Calico to v2.6.1
**What this PR does / why we need it**:
Updating Calico to the most recent release v2.6.1.
[Release page](https://docs.projectcalico.org/v2.6/releases/) and [blog post](https://www.projectcalico.org/project-calico-2-6-released/)
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
```
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Remove federation
This PR removes the federation codebase and associated tooling from the tree.
The first commit just removes the `federation` path and should be uncontroversial. The second commit removes references and associated tooling and suggests careful review.
Requirements for merge:
- [x] Bazel jobs no longer hard-code federation as a target ([test infra #4983](https://github.com/kubernetes/test-infra/pull/4983))
- [x] `federation-e2e` jobs are not run by default for k/k
**Release note**:
```release-note
Development of Kubernetes Federation has moved to github.com/kubernetes/federation. This move out of tree also means that Federation will begin releasing separately from Kubernetes. The impact of this is Federation-specific behavior will no longer be included in kubectl, kubefed will no longer be released as part of Kubernetes, and the Federation servers will no longer be included in the hyperkube binary and image.
```
cc: @kubernetes/sig-multicluster-pr-reviews @kubernetes/sig-testing-pr-reviews
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Enable metadata concealment for tests
**What this PR does / why we need it**: Metadata concealment is going to beta for v1.9; enable it by default in tests. Also, just use `ENABLE_METADATA_CONCEALMENT` instead of two different vars. Work toward #8867.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: none
**Special notes for your reviewer**:
**Release note**:
```release-note
Metadata concealment on GCE is now controlled by the `ENABLE_METADATA_CONCEALMENT` env var. See cluster/gce/config-default.sh for more info.
```
Separate out kuberenetes-anywhere provider under cluster/ but
delegate all the functionality to the "gce" one since the code
would be the same. Except for the name of the node, the
NODE_INSTANCE_PREFIX will be different, so account for that.
Automatic merge from submit-queue (batch tested with PRs 53946, 53993, 54315, 54143, 54532). 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>.
RBAC for Calico Typha Horizontal Autoscaler
**What this PR does / why we need it**:
On v1.8.0-gke.1 I noticed a number of RBAC failures for `default` in kube-system. Turns out the only container missing the serviceAccountName was the typha-horizontal-autoscaler.
**Special notes for your reviewer**:
cc @caseydavenport seems like this is up your alley
**Release note**:
```release-note
NONE
```
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Update fluentd-gcp DaemonSet
- Use a dedicated service account to run the fluentd-gcp DS
- Use the certificates in the prometheus-to-sd image rather than mounting the host certs
This PR lets us create a more targeted PodSecurityPolicy for fluentd. (See https://github.com/kubernetes/kubernetes/pull/52367#discussion_r145433354)
```release-note
- fluentd-gcp runs with a dedicated fluentd-gcp service account
- Stop mounting the host certificates into fluentd's prometheus-to-sd container
```
- Use a dedicated service account to run the fluentd-gcp DS
- Update prometheus-to-sd from v0.1.3 to v0.2.1
- Use the certificates in the prometheus-to-sd image rather than mounting the host certs
Automatic merge from submit-queue (batch tested with PRs 52868, 53196, 54207). 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>.
Allow users to configure the service account made available on their nodes
**What this PR does / why we need it**: This allows users (and tests) to configure what GCP service account nodes are given when they are created, to allow users to grant fewer permissions to their nodes via IAM (instead of scopes). Read more about service accounts and scopes here: https://cloud.google.com/compute/docs/access/service-accounts
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#53603
**Special notes for your reviewer**:
**Release note**:
```release-note
Allow GCE users to configure the service account made available on their nodes
```
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Added functionality to replace default kube-dns deployment with a GKE specific one
**What this PR does / why we need it**:
In GKE, we need to use custom kube-dns deployments, which means replacing the default one with the custom. This PR adds the replacement functionality into the relevant configuration scripts.
Release Note:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 52003, 54559, 54518). 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>.
Load kernel modules automatically inside a kube-proxy pod
**What this PR does / why we need it**:
This change will mount `/lib/modules` on host to the kube-proxy pod,
so that a kube-proxy pod can load kernel modules by need
or when `modprobe <kmod>` is run inside the pod.
This will be convenient for kube-proxy running in IPVS mode.
Users will don't have to run `modprobe ip_vs` on nodes before starting
a kube-proxy pod.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
The kube-proxy IPVS proxier will check if the kernel supports IPVS, or it will fallback to iptables or userspace modes. There is a false negative condition in the check, #51874 addressed that issue.
**Release note**:
```release-note
Load kernel modules automatically inside a kube-proxy pod
```
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Test gcloud exit status when detecting master for GCE e2e test
e2e tests exit on error, so without testing the exit status of a command its scripted error message will never be printed.
**What this PR does / why we need it**: This prints the intended "could not detect Kubernetes master" error message instead of a stack trace from e2e test
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#52474
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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[cluster/centos] fix https
**What this PR does / why we need it**:
[cluster/centos] fix https
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```NONE
```
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Set "--kubelet-preferred-address-types" if ssh tunnel is not to be used.
In additional don't advertise external address and allow the internal address
to be advertised.
**What this PR does / why we need it**:
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
```
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[cluster/log-dump] bump daemonset version
**What this PR does / why we need it**:
bump daemonset version
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```NONE
```
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Add support for RBAC support to Kubernetes via Juju
**What this PR does / why we need it**: This PR add RBAC to the Juju deployment of Kubernetes
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*:
**Special notes for your reviewer**:
**Release note**:
```Canonical Distribution of Kubernetes offers configurable RBAC
```
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[addon/storage-class] update storageclass groupversion in storage-class
**What this PR does / why we need it**:
[addon/storage-class] update storageclass groupversion in storage-class
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```NONE
```
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Update kube-dns 1.14.7
kube-adm change will be in a separate commit
```release-note
* Logging cleanups
* Updates kube-dns to use client-go 3
* Updates containers to use alpine as the base image on all platforms
* Adds support for IPv6
```
```release-notes
* Logging cleanups
* Updates kube-dns to use client-go 3
* Updates containers to use alpine as the base image on all platforms
* Adds support for IPv6
```
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kubelet: remove the --network-plugin-dir flag
**What this PR does / why we need it**:
This flag has been replaced with `--cni-bin-dir`, and has been deprecated in Kubernetes 1.7.
It is safe to remove in Kubernetes 1.9 according to the deprecation policy.
**Which issue this PR fixes**: fixes#46410
**Special notes for your reviewer**:
/assign @mtaufen @freehan @dchen1107
**Release note**:
```release-note
Remove the --network-plugin-dir flag.
```
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[images/hyperkube]add kube-aggerator link
**What this PR does / why we need it**:
add kube-aggerator link
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```NONE
```
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Allow for configuring etcd hostname in the manifest
```release-note
Allow for configuring etcd hostname in the manifest
```
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bump debian-hyperkube-base to 0.5 since CNI gets bumped
**What this PR does / why we need it**:
xref [discussion](https://github.com/kubernetes/kubernetes/pull/51250#discussion_r145796595) in #51250
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
/assign @ixdy @luxas
**Release note**:
```release-note
None
```
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Fix typos: replace SECONDARY-RANGE-NAME with SECONDARY_RANGE_NAME.
**What this PR does / why we need it**:
Without the fix, secondary_range_name in /etc/gce.conf in node will always be empty.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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addons/dns: changing probes for ANY IP record type
Signed-off-by: André Martins <aanm90@gmail.com>
**What this PR does / why we need it**:
Changes the kube-dns probes to ANY IP record to solve kube-dns probes failures when kubernetes master is running with an IPv6 only address.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#51371
/sig network
/area ipv6
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Adding config option to add additional SANs to the master's certificate.
Regenerate certificate if data on certificate changes. This includes IP address and SANs.
Restart API server after updating certificate.
**What this PR does / why we need it**:
This allows users to add addition SAN entries to the certificate generated.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
https://github.com/juju-solutions/bundle-canonical-kubernetes/issues/426
**Special notes for your reviewer**:
**Release note**:
```release-note
Added support for SAN entries in the master node certificate via juju kubernetes-master config.
```
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expose a kube-up environment variable to override GLBC image
```release-note
NONE
```
This change allows kube-up to bring up a k8s cluster with specified glbc image other than the default one.
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Replace storage-class annotations with field in examples
**What this PR does / why we need it**:
storage class is already GA. Replace annotations with field `StorageClassName` in examples.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#51435 (update: thanks @gyliu513 for the issue)
ref: https://github.com/kubernetes/kubernetes/pull/50654#discussion_r134954171
**Special notes for your reviewer**:
We may also want to remove the beta annotations in 1.8 since the field will have already been in two releases. If @kubernetes/sig-storage-api-reviews confirm this, I'd like to help remove it.
/cc @liggitt @jsafrane @msau42
**Release note**:
```release-note
NONE
```
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Fix gce util script for getting PREEXISTING_NETWORK_MODE
**What this PR does / why we need it**:
Using `x_gcloud_subnet_mode` seems return nothing and broke the custom network cleanup logic, causing [pull-kubernetes-e2e-gce-gpu](https://k8s-testgrid.appspot.com/kubernetes-presubmits#pull-kubernetes-e2e-gce-gpu) constantly leaking network resource.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes https://github.com/kubernetes/test-infra/issues/5019
**Special notes for your reviewer**:
/assign @bowei
cc @jingax10 @krzyzacy @mindprince
**Release note**:
```release-note
NONE
```
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fix typos: remove duplicated word in comments
**What this PR does / why we need it**: Remove the duplicated word `the` in comments
**Which issue this PR fixes** : fixes #
**Special notes for your reviewer**:
```release-note
NONE
```
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fix kubemark, juju, and libvirt-coreos README (from minions to nodes)
**What this PR does / why we need it**:
This PR will fix old name(minison) to new name(node) in kubemark README.md.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
```
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bump CNI to v0.6.0
**What this PR does / why we need it**:
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#49480
**Special notes for your reviewer**:
/assign @luxas @bboreham @feiskyer
**Release note**:
```release-note
bump CNI to v0.6.0
```
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kube-dns-anti-affinity: kube-dns never-co-located-in-the-same-node
**What this PR does / why we need it**:
This is upstreaming the kubernetes/kops#2705 pull request by @jamesbucher that was originally against [kops](github.com/kubernetes/kops).
Please see kubernetes/kops#2705 for more details, including a lengthy discussion.
Briefly, given the constraints of how the system works today:
+ if you need multiple DNS pods primarily for availability, then requiredDuringSchedulingIgnoredDuringExecution makes sense because putting more than one DNS pod on the same node isn't useful
+ if you need multiple DNS pods primarily for performance, then
preferredDuringScheduling IgnoredDuringExecution makes sense because it will allow the DNS pods to schedule even if they can't be spread across nodes
**Which issue this PR fixes**
fixeskubernetes/kops#2693
**Release note**:
```release-note
Improve resilience by annotating kube-dns addon with podAntiAffinity to prefer scheduling on different nodes.
```
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Auto-calculate master disksize and cluster IP range in kubemark
/cc @wojtek-t
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Make kubemark push a manual target
fix `bazel build //...`
/assign @ixdy @mikedanese
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[GCE kube-up] Don't provision kubeconfig file for kube-proxy service account
**What this PR does / why we need it**:
Offloading the burden of provisioning kubeconfig file for kube-proxy service account from GCE startup scripts. This also helps us decoupling kube-proxy daemonset upgrade from node upgrade.
Previous attempt on https://github.com/kubernetes/kubernetes/pull/51172, using InClusterConfig for kube-proxy based on discussions on https://github.com/kubernetes/client-go/issues/281.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #NONE
**Special notes for your reviewer**:
/assign @bowei @thockin
cc @luxas @murali-reddy
**Release note**:
```release-note
NONE
```
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Minior fix on getting subnet mode by gcloud
**What this PR does / why we need it**:
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
Tested kube-up.sh & kube-down.sh locally. env PREEXISTING_NETWORK_MODE is assigned with the expected mode and "WARNING: Argument NAME is deprecated. Use --filter="name=( 'NAME' ... )" instead." goes away.
**Release note**:
```release-note
NONE
```
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Removes TTY flag from etcd image build process
**What this PR does / why we need it**:
etcd image building fails when running without TTY with `the input device is not a TTY`
Related:
- https://stackoverflow.com/q/43099116/5285457
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Ensure base image includes the modprobe binary
**What this PR does / why we need it**:
Includes the kmod package so that "modprobe" is available for kubelet and kube-proxy.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#53396
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Use bazel to build/push kubemark image
try to get some proof of concept, kubemark image is probably simple enough to get converted to bazel. (me bazel noob still trying it out locally)
cc @BenTheElder @ixdy @shyamjvs
/release-note-none
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[GCE kube-up] Allow creating/deleting custom network
**What this PR does / why we need it**:
From https://github.com/kubernetes/test-infra/issues/4472.
This is the first step to make PR jobs use custom network instead of auto network (so that we will be less likely hitting subnetwork quota issue).
The last commit is purely for testing out the changes on PR jobs. It will be removed after review.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #NONE.
**Special notes for your reviewer**:
/assign @bowei @nicksardo
**Release note**:
```release-note
NONE
```
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Bump kube-dns version used in e2e
**What this PR does / why we need it**: Updates the version of kube-dns used in the e2e network tests.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: ref #53153
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Create e2e tests for Custom Metrics - Stackdriver Adapter and HPA based on custom metrics from Stackdriver
**What this PR does / why we need it**:
- Add e2e test for Custom Metrics - Stackdriver Adapter
- Add 2e2 test for HPA based on custom metrics from Stackdriver
- Enable HorizontalPodAutoscalerUseRESTClients option
**Release note**:
```release-note
Horizontal pod autoscaler uses REST clients through the kube-aggregator instead of the legacy client through the API server proxy.
```
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GCE kube-down: Delete all remaining firewall rules when DELETE_NETWORK is set
**What this PR does / why we need it**: From https://github.com/kubernetes/kubernetes/issues/52347#issuecomment-335245693, we think it'd be reasonable to cleanup firewall resources as well during GCE kube-down.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #NONE
**Special notes for your reviewer**:
/assign @shyamjvs @bowei
**Release note**:
```release-note
NONE
```
This allows the etcd docker registry that is currently hard coded to
`gcr.io/google_containers/etcd` in the `etcd.manifest` template to be
overridden. This can be used to test new versions of etcd with
kubernetes that have not yet been published to
`gcr.io/google_containers/etcd` and also enables cluster operators to
manage the etcd images used by their cluster in an internal
repository.
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Add launching Cluster Autoscaler in Kubemark
**What this PR does / why we need it**:
Allows to launch Cluster Autoscaler in Kubemark.
To do it, set ENABLE_KUBEMARK_CLUSTER_AUTOSCALER flag to true. This currently only works with one nodegroup, for which you can specify minimum and maximum number of nodes and name. (KUBEMARK_AUTOSCALER_MIN_NODES, KUBEMARK_AUTOSCALER_MAX_NODES, KUBEMARK_AUTOSCALER_MIG_NAME).
Is is important to note that NUM_NODES has a different meaning when launching Cluster Autoscaler - we always start with only one node, but NUM_NODES is used to calculate the size of Kubemark master and addon components.
There are no changes to the current setup if ENABLE_KUBEMARK_CLUSTER_AUTOSCALER is set to false.
**Release note**:
```
NONE
```
This change will mount `/lib/modules` on host to the kube-proxy pod,
so that a kube-proxy pod can load kernel modules by need
or when `modprobe <kmod>` is run inside the pod.
This will be convenient for kube-proxy running in IPVS mode.
Users will don't have to run `modprobe ip_vs` on nodes before starting
a kube-proxy pod.
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Build hyperkube image using Bazel
**What this PR does / why we need it**: Before we had the hyperkube base image, it was difficult to build the hyperkube with Bazel. Now that we have the base image with all the necessary dependencies, this has become trivial.
This will enable federation jobs etc on prow.
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
/assign @BenTheElder @mikedanese @spxtr
cc @luxas @pipejakob
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container-vm is deprecated, so don't use it for GCE test clusters
**What this PR does / why we need it**: container-vm is deprecated. We shouldn't start test clusters using it for nodes.
**Release note**:
```release-note
NONE
```
x-ref #48279 which started this work
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Add ipvs sync period parameters - align to iptables proxier
**What this PR does / why we need it**:
Add ipvs sync period parameters - align to iptables proxier
**Which issue this PR fixes**:
fixes#52957
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 53454, 53446, 52935, 53443, 52917). 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>.
Bump default snap channel to 1.8/stable in juju charms
**What this PR does / why we need it**:
This updates the Juju charms to deploy Kubernetes 1.8 by default.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Use `--oom-score-adj` flag for kube-proxy
**What this PR does / why we need it**:
Replace `echo -998 > /proc/$$$/oom_score_adj` with `--oom-score-adj` flag for kube-proxy.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#51083
**Special notes for your reviewer**:
/assign @justinsb @vishh
**Release note**:
```release-note
NONE
```
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fluentd-elasticsearch add-on: Rename Docker image tag
As @crassirostris requested in #53307 - rename tag of Docker image gcr.io/google-containers/elasticsearch to drop -1 suffix.
Automatic merge from submit-queue (batch tested with PRs 53280, 53330). 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 permisions for Metrics Server to read resources on cluster level
**What this PR does / why we need it**:
Add permisions for Metrics Server to read resources on cluster level.
**Which issue this PR fixes**:
fixes https://github.com/kubernetes-incubator/metrics-server/issues/16
**Release note**:
```release-note
Fix permissions for Metrics Server.
```
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Merge kube-dns templates into a single file
**What this PR does / why we need it**: Merge all of the kube-dns cluster yamls into a single file.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#42832
**Special notes for your reviewer**:
/assign @bowei @shashidharatd
cc @kevin-wangzefeng @euank @lhuard1A
**Release note**:
```release-note
NONE
```
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default fail-swap-on to false for kubelet on kubernetes-worker charm
**What this PR does / why we need it**: default fail-swap-on to false for kubelet on kubernetes-worker charm
**Release note**:
```release-note
default fail-swap-on to false for kubelet on kubernetes-worker charm
```
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Fix failing import in juju master namespace actions.
**What this PR does / why we need it**: The import of the templating render method is failing.This is to address this issue.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```NONE
```
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Change RBAC storage version to v1 for 1.9
v1 was introduced in 1.8, but storage version remained at v1beta1 to accommodate HA rolling upgrades. in 1.9, we can change the persisted and preferred version to v1
```release-note
RBAC objects are now stored in etcd in v1 format. After completing an upgrade to 1.9, RBAC objects (Roles, RoleBindings, ClusterRoles, ClusterRoleBindings) should be migrated to ensure all persisted objects are written in `v1` format, prior to `v1alpha1` support being removed in a future release.
```
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Don't referece not-exist addon manager manifests in comment
**What this PR does / why we need it**:
`addon-manager-multinode.json` and `addon-manager-singlenode.json` have been removed by b814b62447 (diff-89347a70de188b3c15f5ee15323658d2).
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #NONE
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Upgrade fluentd-elasticsearch addon to Elasticsearch/Kibana 5.6.2
Upgrade Elasticsearch and Kibana to version 5.6.2. I also upgrade some API versions of manifests to correspond to Kubernetes 1.8, I hope the latter is uncontroversial?
```release-notes
```
Automatic merge from submit-queue (batch tested with PRs 50280, 52529, 53093, 53108, 53168). 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>.
Remove touch-lock init container from kube-proxy
**What this PR does / why we need it**: Ack https://github.com/kubernetes/kubeadm/issues/298, touch-lock init container is no longer needed after we have https://github.com/kubernetes/kubernetes/pull/46597.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #NONE
**Special notes for your reviewer**:
/assign @bowei @cmluciano
cc @dixudx
**Release note**:
```release-note
NONE
```
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Fix lint error on kubernetes-worker
**What this PR does / why we need it**:
This fixes a lint error on kubernetes-worker that's causing problems in our CI builds.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Fix kube-proxy addon OWNERS file
**What this PR does / why we need it**: Sorry for the typo :(
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #NONE
**Special notes for your reviewer**:
/assign @thockin @bowei
**Release note**:
```release-note
NONE
```
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