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Bump fluentd-gcp-scaler version
**What this PR does / why we need it**:
This version fixes a bug in which scaler was setting resources for all containers in the pod, not only fluentd-gcp one.
**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#60763
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Remove mapping to /host/lib from fluentd-gcp container.
**What this PR does / why we need it**:
This mapping is no longer needed since fluentd-gcp v2.0.16, in which it started using a container image based on Debian Stretch, in which the systemd libraries already include support for all the supported
compression algorithms.
The `/run.sh` in the image no longer accesses `/host/lib` anyways, so let's stop mapping it here.
Related changes:
- fluentd-gcp on GoogleCloudPlatform/k8s-stackdriver#101
- fluentd-es on GoogleCloudPlatform/google-fluentd#80
/assign @timstclair
/cc @crassirostris @bmoyles0117
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
N/A
**Special notes for your reviewer**:
N/A
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 61203, 61071). 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>.
Fix deprecated gcloud compute networks --mode switches.
"create --mode" becomes "create --subnet-mode", and switch-mode has been
folded into "update".
Create --mode was deprecated in October and will be removed in the next
gcloud release. It is already failing in staging tests.
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** Fixes#54238
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
"create --mode" becomes "create --subnet-mode", and switch-mode has been
folded into "update".
Create --mode was deprecated in October and will be removed in the next
gcloud release. It is already failing in staging tests.
Automatic merge from submit-queue (batch tested with PRs 60737, 60739, 61080, 60968, 60951). 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>.
Find most recent modified date for fluentd buffers recursively.
Fixes#60762
**What this PR does / why we need it**:
Due to updates in Fluent v0.14, the buffers directory modified date is no
longer updated when files inside the directory are changed. Therefore we
must find the most recent modified date recursively to fix liveness probe.
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue. 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 to etcd 3.1.12 to pick up critical fix
etcd [3.1.12](https://github.com/coreos/etcd/releases/tag/v3.1.12) (as well as 3.2.17 and 3.3.2) was released yesterday to fix a bug critical to kubernetes:
Fix [mvcc "unsynced" watcher restore operation](https://github.com/coreos/etcd/pull/9297).
- "unsynced" watcher is watcher that needs to be in sync with events that have happened.
- That is, "unsynced" watcher is the slow watcher that was requested on old revision.
- "unsynced" watcher restore operation was not correctly populating its underlying watcher group.
- Which possibly causes [missing events from "unsynced" watchers](https://github.com/coreos/etcd/issues/9086).
This will be backported to 1.9 as well.
Release note:
```release-note
Upgrade the default etcd server version to 3.1.12 to pick up critical etcd "mvcc "unsynced" watcher restore operation" fix.
```
cc @gyuho @wojtek-t @shyamjvs @timothysc @jdumars
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Use grpc to improve the CPU utilization of the logging agent.
Fixes#60762
**What this PR does / why we need it**:
Using gRPC improves the CPU utilization of the logging agent be reducing
serialization overhead and reusing TCP connections.
**Release note**:
```release-note
NONE
```
Due to updates in Fluent v0.14, the buffers directory modified date is no
longer updated when files inside the directory are changed. Therefore we
must find the most recent modified date recursively to fix liveness probe.
Automatic merge from submit-queue. 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>.
Setting REMOUNT_VOLUME_PLUGIN_DIR for COS images in kube-env
**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#60725
**Special notes for your reviewer**: Not sure if it's the best place to set `REMOUNT_VOLUME_PLUGIN_DIR`.
/sig storage
/sig cluster-lifecycle
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Make log audit backend configurable in GCE
This PR will allow to enable audit logging batching by default in e2e tests, after https://github.com/kubernetes/kubernetes/pull/60739 is merged. This is an important step to prevent a regression in scale tests.
/cc @tallclair @sttts
/assign @roberthbailey
Robert, please approve
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 60891, 60935). 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>.
Rollback etcd server version to 3.1.11 due to #60589
Ref https://github.com/kubernetes/kubernetes/issues/60589#issuecomment-371171837
The dependencies were a bit complex (so many things relying on it) + the version was updated to 3.2.16 on top of the original bump.
So I had to mostly make manual reverting changes on a case-by-case basis - so likely to have errors :)
/cc @wojtek-t @jpbetz
```release-note
Downgrade default etcd server version to 3.1.11 due to #60589
```
(I'm not sure if we should instead remove release-notes of the original PRs)
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Reverting the anti-affinity from CoreDNS pods
**What this PR does / why we need it**:
Following #54164 and #59357, removing the anti-affinity from CoreDNS.
**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
NONE
```
Automatic merge from submit-queue (batch tested with PRs 60872, 60808). 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>.
Pass in etcd TLS credentials during migrate and rollback
For HA etcd clusters, the `etcd-creds` settings, specifically the `--peer-*` TLS flags that may be included, must be passed in to `start-stop-etcd.sh` in order for the etcd server mode started during migrate and rollback steps to be able to communicate between peers.
The `etcd.manifest` change needs to be backported all the way back to 1.7.
**Release note**:
```release-note
NONE
```
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Bump etcd server patch version to 3.2.16
etcd 3.2.16 contains a critical fix for HA clusters: https://github.com/coreos/etcd/pull/9281
Also, update newly added tests to use `REGISTRY` make variable.
Release note:
```release-note
Upgrade the default etcd server version to 3.2.16
```
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Bump Cluster Autoscaler to 1.1.2
Contains fixes around GPUs and base image change.
```release-note
Cluster Autoscaler 1.1.2
```
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Added dashboard banner passthrough to GCE kube-up.
**What this PR does / why we need it**: This PR adds GCE-specific provider flag for setting system-banner in the dashboard ui.
```release-note
NONE
```
This mapping is no longer needed since fluentd-gcp v2.0.16, in which it
started using a container image based on Debian Stretch, in which the
systemd libraries already include support for all the supported
compression algorithms.
The /run.sh in the image no longer accesses /host/lib anyways, so let's
stop mapping it here.
Related changes:
- fluentd-gcp on GoogleCloudPlatform/k8s-stackdriver#101
- fluentd-es on GoogleCloudPlatform/google-fluentd#80
Automatic merge from submit-queue (batch tested with PRs 58171, 58036, 60540). 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>.
Changing Flexvolume plugin directory on COS in GCE to a durable directory
**What this PR does / why we need it**: The original `/etc/srv/...` directory is in an overlayfs over a path in /tmp, so Flexvolume drivers are erased across node restarts for any reason. Changing it to non-tmpfs location.
Also removing redundant Flexvolume path injection in `config-test.sh` because it's already in `cluster/common.sh`.
**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#57353
**Release note**:
```release-note
[action required] Default Flexvolume plugin directory for COS images on GCE is changed to `/home/kubernetes/flexvolume`.
```
/assign @roberthbailey @saad-ali
/cc @chakri-nelluri @wongma7
/sig storage
Automatic merge from submit-queue (batch tested with PRs 60470, 59149, 56075, 60280, 60504). 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 scheduling.k8s.io to the known groups for audit logging on GCE.
This lets PriorityClass objects get logged.
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 53689, 56880, 55856, 59289, 60249). 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>.
gce: add support for enabling TokenRequest feature
ref #58790
```release-note
NONE
```
Automatic merge from submit-queue. 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>.
Update gke nvidia-gpu-device-plugin to the latest version that supports
both v1alpha and v1beta1 device plugin versions.
Re-enables nvidia-gpus e2e test after verifying the test passes now.
**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
```
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[fluentd-gcp addon] Update to use Stackdriver Agent image.
Update the fluentd DaemonSet to use the Stackdriver Logging Agent container image.
The Stackdriver Logging Agent container image uses fluentd v0.14.25.
We add a special label to each log record as a signal to logging backends to handle both new and legacy resource types.
**Release note:**
```release-note
[fluentd-gcp addon] Switch to the image, provided by Stackdriver.
```
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Move kubelet flag generation from the node to the client
Pass the kubelet flags through a new variable in kube-env (KUBELET_ARGS).
Remove vars from kube-env that were only used for kubelet flags.
This will make it simpler to gradually migrate to dynamic kubelet
config, because we can gradually replace flags with config file
options in a single place without worrying about the plumbing to
move variables from the client onto the node.
/cc @verult (re: https://github.com/kubernetes/kubernetes/pull/58171)
**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
action required: [GCP kube-up.sh] Some variables that were part of kube-env are no longer being set (ones only used for kubelet flags) and are being replaced by a more portable mechanism (kubelet configuration file). The individual variables in the kube-env metadata entry were never meant to be a stable interface and this release note only applies if you are depending on them.
```
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Enable protection tests
**What this PR does / why we need it**:
- StorageObjectInUseProtection feature is enabled by default so the test can run in regular e2e test suite
- Rename PVC protection test, it tests only PVCs and not whole storage.
**Release note**:
```release-note
NONE
```
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