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Fix ipam controller to not drop nodes forever in case of failures
https://github.com/kubernetes/kubernetes/pull/68084 introduced a problem that when 10 attempts to assign a cidr would fail, we stop retrying but the node is still marked as "in-processing" so it would never be reconciled again.
This PR is fixing this problem.
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Update manifest and version for CoreDNS
**What this PR does / why we need it**:
Updates the manifest of CoreDNS and also bumps the version of CoreDNS to 1.2.2
**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 https://github.com/kubernetes/kubernetes/issues/68020
**Special notes for your reviewer**:
**Release note**:
```release-note
CoreDNS is now v1.2.2 for Kubernetes 1.12
```
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kube-ctrl-mgr: enable secure port 10257
This PR enables authn+authz (delegated to the kube-apiserver) and the secure port 10257 for the kube-controller-manager. In addition, the insecure port is disabled.
Moreover, it adds integration test coverage for the `--port` and `--secure-port` flags, plus the testserver infrastructure to tests flags in general inside integration tests.
```release-note
Enable secure serving on port 10257 to kube-controller-manager (configurable via `--secure-port`). Delegated authentication and authorization have to be configured like for aggregated API servers.
```
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Add function comment to fix golint error in cmd/kube-scheduler/app.
**What this PR does / why we need it**:
Add function comment to fix golint error in cmd/kube-scheduler/app.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
NONE
**Special notes for your reviewer**:
NONE
**Release note**:
```release-note
NONE
```
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Refactor admission webhook client code to a apiserver/pkg/util package
As part of #67006 This refactoring enable us to share code between admission webhooks and CRD conversion webhooks.
@deads2k @lavalamp @sttts @kubernetes/sig-api-machinery-misc
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Update metrics-server to v0.3.0
v0.3.0 is the latest version of metrics-server, and brings a number of
internal stability improvements as well as some bugfixes and features.
NB: this currently disables Kubelet auth entirely, since this setup
needs to work on GKE for the tests, and GKE doesn't support delegated
Kubelet auth yet. When that's rectified, we can switch this over to
use secure options.
```release-note
Update metrics-server to v0.3.0.
```
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fix select zone error in azure disk creation
**What this PR does / why we need it**:
fix select zone error in azure disk creation, this issue only happens in v1.12
**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#68043
**Special notes for your reviewer**:
**Release note**:
```
none
```
/kind bug
/sig azure
/assign @feiskyer
cc @khenidak
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wait until apiserver connection before starting kubelet tls bootstrap
I wonder if this helps with sometimes slow network programming
cc @mwielgus @awly
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promote TokenRequest and projection to beta in 1.12
```release-note
TokenRequest and TokenRequestProjection are now beta features. To enable these feature, the API server needs to be started with the following flags:
* --service-account-issuer
* --service-account-signing-key-file
* --service-account-api-audiences
```
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Fix hostpath subpath reconstruction tests are failing
**What this PR does / why we need it**:
Fix hostpath subpath reconstruction tests are failing
**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: #68093
**Special notes for your reviewer**:
/sig storage
**Release note**:
```release-note
NONE
```
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Fix multizone gce pd subpath test
**What this PR does / why we need it**:
The format pod for readonly tests also needs to fill in the NodeSelector for inline gce pd volumes.
Also rename "gce" driver to "gcepd"
**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#68085
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Fix subpath tests not to fail in namespace deletion
**What this PR does / why we need it**:
This PR fixes below subpath test not to fail in namespace deletion
- subPath should support restarting containers using directory as subpath
- subPath should support restarting containers using file as subpath
**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: #68073
**Special notes for your reviewer**:
/sig storage
/sig testing
**Release note**:
```release-note
NONE
```
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implement InstanceShutdownByProviderID to aws cloudprovider
**What this PR does / why we need it**: implement InstanceShutdownByProviderID to aws cloudprovider
**Which issue(s) this PR fixes**:
Fixes#59925
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 67368, 59930, 68074). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
use CertificatesV1beta1() instead of deprecated Certificates()
**What this PR does / why we need it**:
/kind cleanup
**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
```
This is the old behaviour and we did not intent to change it due to enabled authn/z in general.
As the kube-apiserver this sets the "system:unsecured" user info.
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Move kubelet internal ComponentConfig types to `pkg/kubelet/apis/config`
**What this PR does / why we need it**:
This PR is split out from the main PR of https://github.com/kubernetes/kubernetes/pull/67263, in order to make merging each scoped piece of the puzzle easier and smoother.
This PR simply moves the `k8s.io/kubernetes/pkg/apis/kubeletconfig` as-is to `k8s.io/kubernetes/pkg/apis/config` as agreed in the KEP.
**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: kubernetes/community#2354
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
@kubernetes/sig-node-pr-reviews
/assign @mtaufen @thockin @liggitt
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apiserver: make not-found external-apiserver-authn configmap non-fatal
As client-ca and requestheader-client-ca is optional in the external-apiserver-authentication config file and components like kube-controller-manager and kube-scheduler won't need that anyway, we better make it non-fatal if the configmap is not found in the cluster.
Consumer counter-part PR to https://github.com/kubernetes/kubernetes/pull/67694.
```release-note
Don't let aggregated apiservers fail to launch if the external-apiserver-authentication configmap is not found in the cluster.
```
Automatic merge from submit-queue (batch tested with PRs 67764, 68034, 67836). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
Remove feature tag from dynamic provisioning topology tests
**What this PR does / why we need it**:
Now that the feature has been moved to beta, remove feature tag to let it run in the standard CI suite.
**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
```
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Add etcd DB size monitoring in density test
/cc @wojtek-t
fyi - @jpbetz @gyuho @kubernetes/sig-scalability-misc
```release-note
NONE
```
v0.3.0 is the latest version of metrics-server, and brings a number of
internal stability improvements as well as some bugfixes and features.
NB: this currently disables Kubelet auth entirely, since this setup
needs to work on GKE for the tests, and GKE doesn't support delegated
Kubelet auth yet. When that's rectified, we can switch this over to
use secure options.
This commit fixes below subpath test not to fail in namespace deletion
- subPath should support restarting containers using directory as subpath
- subPath should support restarting containers using file as subpath
Fixes: #68073
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
Promote AdvancedAuditing to GA
**What this PR does / why we need it**:
Removes deprecated legacy code used for basic audit logging in favor of advanced audit logging.
```release-note
Promote AdvancedAuditing to GA, replacing the previous (legacy) audit logging mechanisms.
```
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Add support for unmanaged nodes for Azure cloud provider
**What this PR does / why we need it**:
Continue of [Azure cross resource groups feature](https://github.com/kubernetes/features/issues/604).
This PR adds support for unmanaged nodes (such as on-prem or on other clouds) that are labeled with `alpha.service-controller.kubernetes.io/exclude-balancer=true` and `kubernetes.azure.com/managed=false`. Azure cloud provider would exclude such nodes from LoadBalancer backends and always assumes they are existing.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
See KEP [here](https://github.com/kubernetes/community/blob/master/keps/sig-azure/0025-20180809-cross-resource-group-nodes.md).
**Special notes for your reviewer**:
Azure cloud provider won't provision network routes for on-prem nodes, so cluster admins should ensure the network (including pod-to-pod, pod-to-node and node-to-node connectivity) has been set up properly.
**Release note**:
```release-note
Azure cloud provider now supports unmanaged nodes (such as on-prem) that are labeled with `kubernetes.azure.com/managed=false` and `alpha.service-controller.kubernetes.io/exclude-balancer=true`
```
/assign @khenidak @andyzhangx
/sig azure
/kind feature
/milestone v1.12
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Give APIServer pretty column output
Simple server side render that prints the implementing service (if any)
and the available condition.
```
$ kubectl get apiservice
NAME SERVICE AVAILABLE AGE
v1. Local True 10m
v1.apps Local True 10m
v1.authentication.k8s.io Local True 10m
v2beta1.autoscaling Local True 10m
v1beta1.metrics kube-system/metrics-server False (DiscoveryFailed) 10m
```
@liggitt @deads2k helps to debug why controllers block (aggregate api is down)
```release-note
`kubectl get apiservice` now shows the target service and whether the service is available
```
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implement InstanceShutdownByProviderID to openstack
**What this PR does / why we need it**: without this openstack cannot get shutdown taint when instance is shutdown (original pr where this feature was added https://github.com/kubernetes/kubernetes/pull/60009)
**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
Openstack supports now node shutdown taint. Taint is added when instance is shutdown in openstack.
```
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apiserver: forward panic in WithTimeout filter
```release-note
Return apiserver panics as 500 errors instead terminating the apiserver process.
```
Without this PR a panic in a HTTP handler will not be caught in the Go routine started by the timeout filter. Uncaught panics terminate the process.
This is a strong condidate to be backported to 1.11, 1.10 and 1.9.
