GCI: Ensure that the right version of kubelet is used

make addIndexers safe for sharedInformer

Test storage upgrade to protobufs

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Revert "Update cassandra.list"

Reverts kubernetes/kubernetes#25711

https://github.com/kubernetes/kubernetes/pull/25711#issuecomment-219911835

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Network policy proposal

This proposal attempts to add a v1beta API for network policy to Kubernetes, as discussed and designed within the networking SIG.

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Implement the cluster-controller of kubernetes federation

This PR is the cluster-controller of kubernetes federation.
This controller of federation phase 1 just collect the status of federated clusters.

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add service object without proxy

add service object without proxy

#23653

@nikhiljindal please review it, thanks.

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Make IsValidLabelValue return error strings

Part of the larger validation PR, broken out for easier review and merge.  Builds on previous PRs in the series.

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Adding garbage collector controller

Adding the propagator and garbage processor of the gc.

Design doc is at https://github.com/kubernetes/kubernetes/blob/master/docs/proposals/garbage-collection.md

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Federation kubectl for clusters

add federation/clusters resource to kubectl
#23653, requires #23847

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Add init containers to pods

This implements #1589 as per proposal #23666

Incorporates feedback on #1589, creates parallel structure for InitContainers and Containers, adds validation for InitContainers that requires name uniqueness, and comments on a number of implications of init containers.

This is a complete alpha implementation.

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Add notes about endgame for test flakes

@lavalamp as we discussed last week, sorry for the latency.

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Explain how to close an issue within a commit message

## Pull Request Guidelines

This adds some guidance on how to close issues automatically.

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GCI: Fix the condition for using the default image

This PR revises the condition for using the default GCI image. The old logic is not convenient for manually run e2e tests in some cases (mainly for GCI team to test custom images). The new logic by this PR is very similar to the logic in using ContainerVM. When setting distro to "gci", if master or node image is unset, we use gci-dev for it. If either is set, we respect it.

@roberthbailey @zmerlynn @dchen1107 please review it, and we should cherry pick it in release-1.2 branch. Thanks!

cc/ @kubernetes/goog-image @adityakali FYI  

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Fix gce/util.sh:get-master-root-disk-size

Fixes problem from #25670

```
cluster/../cluster/../cluster/gce/util.sh: line 632: [: missing `]'
```


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Fix content for v1.3.0-alpha.4 release notes.

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Fix e2e test failure: pull redis image from gcr instead of docker

## Pull Request Guidelines

1. Please read our [contributor guidelines](https://github.com/kubernetes/kubernetes/blob/master/CONTRIBUTING.md).
1. See our [developer guide](https://github.com/kubernetes/kubernetes/blob/master/docs/devel/development.md).
1. Follow the instructions for [labeling and writing a release note for this PR](https://github.com/kubernetes/kubernetes/blob/master/docs/devel/pull-requests.md#release-notes) in the block below.

```release-note
* Use the release-note-* labels to set the release note state 
* Clear this block to use the PR title as the release note 
-OR-
* Enter your extended release note here
```

Fixes #25677

cc @jayunit100 @fejta  
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- updated the headline
- updated the checklist numbers (was all "1.")
- converted the instructions into a markdown comment to make it
  clearer what is an instruction.

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Remove call to setup_env from hack/e2e-node-test.sh

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This messes with the GOPATH in a way that confuses ginkgo,
and doesn't appear to be necessary to run the tests

Removes likely unnecessary use of sudo, though it should be noted that
e2e_node_suite_test.go uses sudo to do something with locksmithd, so you
currently end up using it anyway.

Updates the error for not having ginkgo built to recommend the new vendor/
path for ginkgo, and to recommend using make instead of hack/build-go.sh

Should resolve #25682

This messes with the GOPATH in a way that confuses ginkgo,
and doesn't appear to be necessary to run the tests

Removes likely unnecessary use of sudo, though it should be noted that
e2e_node_suite_test.go uses sudo to do something with locksmithd, so you
currently end up using it anyway.

Updates the error for not having ginkgo built to recommend the new vendor/
path for ginkgo, and to recommend using make instead of hack/build-go.sh

Should resolve #25682

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Fix resource-gatherer that never gathered resources from non-master m…

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out of resource killing (memory)

Adds the core framework for low-resource killing in the kubelet.

Implements support for out of memory killing.

Related:
https://github.com/kubernetes/kubernetes/pull/18724

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prevent nil pointer when starting controllers before running the shar…

Fixes https://github.com/kubernetes/kubernetes/issues/25643.

https://github.com/kubernetes/kubernetes/pull/23795 changed initialization order, so the controller isn't guaranteed to be present at startup.

@mqliang @wojtek-t I'm pretty sure that we're not guaranteed to get back the correct `cache.Indexer` or `cache.Store` either.  I'll look at re-plumbing the `AddIndexer` path to use the same instance so that its safe to use again.

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Added e2e test for cluster autoscaler that verifies host ports.

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Added e2e test for cluster autoscaler that verifies host ports.

Prevent division by 0 error in resource-gatherer