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Add CoreDNS as an optional addon in kube-up
**What this PR does / why we need it**:
This PR adds the option of installing CoreDNS as an addon instead of kube-dns in kube-up.
**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#56439
**Special notes for your reviewer**:
**Release note**:
```release-note
kube-up: Add optional addon CoreDNS.
Install CoreDNS instead of kube-dns by setting CLUSTER_DNS_CORE_DNS value to 'true'.
```
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Dump last curl output if cluster fails to come up.
**What this PR does / why we need it**:
This is a step toward solving #55686
**Release note**:
```release-note
NONE
```
This admission plugin puts finalizer to every created PVC. The finalizer is
removed by PVCProtectionController when the PVC is not referenced by any
pods and thus the PVC can be deleted.
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Add deployment for Stackdriver Metadata Agent with version and resource requirement controlled by env variable
**What this PR does / why we need it**:
Introduces Stackdriver Metadata Agent - a daemon set providing metadata for kubernetes objects connected to the same node.
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Add environment variable to enable support for new Stackdriver resource model
To be merged after #56211
**What this PR does / why we need it**:
This PR adds env variable to control Stackdriver sink in Heapster - whether it export metrics for new resource model or old resource model.
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 56207, 55950). 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 setting resources in fluentd-gcp plugin
Currently if some of the variables are not set, scripts prints error, which is not critical, since the function is executed in a separate process, but it leads to the wrong resulting values
```release-note
NONE
```
/cc @piosz @x13n
/assign @roberthbailey @mikedanese
Could you please approve?
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Be less agressive and more patient when creating large master.
**What this PR does / why we need it**:
Workaround for #55777
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 54824, 55911, 55730, 55979, 55961). 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 options for mounting SCSI or NVMe local SSD though Block or Filesystem and do all of that with UUID
Fixes: #51431
Fixed version of: #53466
Mount SCSI local SSD by UUID in /mnt/disks/by-uuid/, also allows for users to request and mount NVMe disks. Both types of disks will be accessible either through block or file-system.
I have confirmed that it is no longer crashing when nodes are initialized on GKE.
Automatic merge from submit-queue (batch tested with PRs 55841, 55948, 55945). 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>.
Set -w flag on all iptables calls during master startup
Lack of this flag sometimes causes iptables to return error code 4 (if
other process holds xtables lock). As a result, because of `set -o errexit`,
whole startup script fails, leaving master in an incorrect state.
This is another occurence of (already closed) https://github.com/kubernetes/kubernetes/issues/7370
**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)*:
**Special notes for your reviewer**:
**Release note**:
```release-note
Bugfix: master startup script on GCP no longer fails randomly due to concurrent iptables invocations.
```
Lack of this flag sometimes causes iptables to return error code 4 (if
other process holds xtables lock). As a result, because of `set -o errexit`,
whole startup script fails, leaving master in an incorrect state.
This is another occurence of (already closed) https://github.com/kubernetes/kubernetes/issues/7370
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>.
Add options for mounting SCSI or NVMe local SSD though Block or Filesystem and do all of that with UUID
Fixes: #51431
Mount SCSI local SSD by UUID in /mnt/disks/by-uuid/, also allows for users to request and mount NVMe disks. Both types of disks will be accessable either through block or filesystem
To see code in progress for NVMe and block support see working branch: https://github.com/davidz627/kubernetes/tree/localExt
Automatic merge from submit-queue (batch tested with PRs 54602, 54877, 55243, 55509, 55128). 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>.
PodSecurityPolicies for addons
**What this PR does / why we need it**:
1. Colocate addon PodSecurityPolicy config with the addons (in a `podsecuritypolicies` subdirectory).
2. Add policies for addons that are currently missing policies (not in the default GCE suite)
3. Remove HostPath SSL certs from several heapster deployments, so that heapster doesn't require a special PSP
**Which issue(s) this PR fixes**:
#43538
**Release note**:
```release-note
- Add PodSecurityPolicies for cluster addons
- Remove SSL cert HostPath volumes from heapster addons
```
Automatic merge from submit-queue (batch tested with PRs 54826, 53576, 55591, 54946, 54825). 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>.
Run nvidia-gpu device-plugin daemonset as an addon on GCE nodes that have nvidia GPUs attached
- 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 GPUs it will
add `nvidia.com/gpu` resource.)
- Add node label to GCE nodes with accelerators attached. This node label is the same as what GKE attaches to node pools with accelerators attached. (For example, for nvidia-tesla-p100 GPU, the label would be `cloud.google.com/gke-accelerator=nvidia-tesla-p100`) This will help us target accelerator specific
daemonsets etc. to these nodes.
- Run nvidia-gpu device-plugin daemonset as an addon on GCE nodes that have nvidia GPUs attached.
- Some minor documentation improvements in addon manager.
**Release note**:
```release-note
GCE nodes with NVIDIA GPUs attached now expose `nvidia.com/gpu` as a resource instead of `alpha.kubernetes.io/nvidia-gpu`.
```
/sig cluster-lifecycle
/sig scheduling
/area hw-accelerators
https://github.com/kubernetes/features/issues/368
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Allow configuring docker storage driver in GCE
**What this PR does / why we need it**:
For GCE, allow configuring of the docker storage driver.
**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 configure the docker storage driver.
```
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Increase waiting time (120s) for docker startup in health-monitor.sh
Fix the issue of killing docker again when startup takes longer time on overloaded nodes.
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Delete network by default in kube-down unless using default network
Since I'm seeing folks leak networks in one of our test project (k8s-scale-testing) if they're using kube-up to create/delete their network.
I guess we're not having this problem for config-test.sh where we're mostly creating new network.
/cc @ixdy @zmerlynn
/release-note-none
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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
```
Automatic merge from submit-queue (batch tested with PRs 55268, 55282, 55419, 48340, 54829). 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>.
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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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
```
