* Make verify call update
* Make update's topological sort not confused about the "io" package

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Update testing convention docs

@bgrant0607 @kubernetes/docs 
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Mark kube-push.sh as broken

Per discussion on #17397.

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Add several arguments to boilerplate.py

This commit makes the root directory and boilerplate content directory configurable.

The defaults have remained the same, so no behavior changes should be expected.

cc @eparis 
ref https://github.com/kubernetes/minikube/pull/37

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Delete unused helpers

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Initial design doc for AWS GPU support

This is really v0

cc @erictune @davidopp @ravigadde @Hui-Zhi @Random-Liu 

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Frame decoder was checking cap(), not len()

Resulted in bytes being missing from the streaming decoder. Update both
parts.

Required for #24789

@wojtek-t or @lavalamp while he's OOO

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Begin .gitignore lines with /

In /.gitignore we have lines like `kubernetes/`. Because that line is
not anchored with `/` it ignores any directory called `kubernetes`
anywhere in the repo. This caused a problem in #24242 because the user
didn't realize that the directory in `vendor/` was being ignored.

In /.gitignore we have lines like `kubernetes/`. Because that line is
not anchored with `/` it ignores any directory called `kubernetes`
anywhere in the repo. This caused a problem in #24242 because the user
didn't realize that the directory in `vendor/` was being ignored.

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Use HOSTNAME in Docker build image tag hash

Fixes #24661 by including `$HOSTNAME` when generating the build image tag hash.

When running the verification checks under Docker, the `$KUBE_ROOT` will be identical across builds, so tags will collide unless we add additional uniqueness. By default, the hostname inside a Docker container is its ID, which should be unique enough for us.

I also deleted a misleading error message from the same check.

@kubernetes/sig-testing 

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revert the vsphere change to skydns plugin

Fixes #25020

This commit makes the root directory, boilerplate content directory and
the directories to skip configurable.

The defaults have remained the same, so no behavior changes should be expected.

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change port of tests for federated-apiserver to avoid conflict

fix #24952, change port to 8082 on test
@nikhiljindal

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Update CHANGELOG.md for v1.3.0-alpha.3.

Also make the check more correct and quieter.

Additionally, use REPO_DIR in update-generated-protobuf, since this
should be more unique (when set).

Remove JJB scripts and configs.

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add mutex for kubenet

I saw a bunch of weird cases in kubenet suite. For instance, SetUpPod return successfully, but right after that, kubelet cannot retrieve podIP from podCIDR map.


cc: @dcbw @thockin 

ref: #24211 

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move pods.go to pods_test.go

fix #24635

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Run Kubemark builds inside Docker

Since Docker-in-Docker is tricky to get right (esp. wrt volume mounts), I'm only enabling it when necessary for a build (e.g. for kubemark).

cc @spxtr @fejta @wojtek-t 

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AWS: Add support for ap-northeast-2 region (Seoul)

This PR does:
- Support AWS Seoul region: ap-northeast-2. 
Currently, I can not setup Kubernetes on AWS Seoul.  
Error Messages: 

> 
> ip-10-0-0-50 core # docker logs 0697db
> I0419 07:57:44.569174       1 aws.go:466] Zone not specified in configuration file; querying AWS metadata service
> F0419 07:57:44.570380       1 controllermanager.go:279] Cloud provider could not be initialized: could not init cloud provider "aws": not a valid AWS zone (unknown region): ap-northeast-2a

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allow kubectl subcmds to process multiple resources

~~autoscale, expose & patch~~ Many kubectl subcommands were limited to processing one resource at a time.

This PR allows those subcommands to process multiple resources.

This PR is in reference to https://github.com/kubernetes/kubernetes/pull/23116#issuecomment-202360784 by @deads2k 

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Up to go 1.6.2 for build and test.

~~1.6.1 contains some security fixes. 1.6.2 should be out soon.~~ 1.6.2 is out :D

Images aren't pushed yet.

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Update cAdvisor & go-dockerclient for docker v1.11 compatability

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Unify termination signal handling across platforms

The signals are used to ensure proper execution of cleaning up actions to restore a terminal in:
- [pkg/kubectl/cmd/attach.go#L163-L226](https://github.com/kubernetes/kubernetes/blob/b8d000853edbfe3d0d9bcd85e8e511a98b6ac6af/pkg/kubectl/cmd/attach.go#L163-L226)
- [pkg/kubectl/cmd/util/editor/editor.go#L112-L137](https://github.com/kubernetes/kubernetes/blob/b8d000853edbfe3d0d9bcd85e8e511a98b6ac6af/pkg/kubectl/cmd/util/editor/editor.go#L112-L137)

All supported platforms can handle the same set of signals we're interested in, thus we don't need build contraints to use a set of signals on Linux, while restricting ourselves to only SIGINT on Darwin and Windows.

According to the documentation of os/signal, similar to SIGINT and SIGTERM, SIGHUP causes the program to exit, therefore add it to the list of handled signals.

The fist commit is part of #23643.

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Framework support for node e2e.

This should let us port existing e2e tests to the node e2e suite, if the tests are node specific.

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Federation client for cluster

generate v1alpha1 and unversioned client for federation/clusters

#23653, requires #23847, #23998

@nikhiljindal @quinton-hoole @caesarxuchao 

- use resource.Visit() to recursively process resources, as well as, aggregate
errors where possible

Resulted in bytes being missing from the streaming decoder. Update both
parts.

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Fix `kubectl create configmap` help

Resurrection of #23290

cc @bgrant0607 @janetkuo @ncdc

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Convert internal types to use exact precision integers

This makes conversion more suitable for future optimizations, and we need to stop pretending for some of our internal types that the width of the int doesn't matter.

@wojtek-t

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Fix detect-node-names to not error out if there are no nodes

Fixes #21564.

Teardown was not working correctly in rare cases because `detect-node-names` was failing before any of the actual cleanup was run. I'm pretty sure the issue was that there was an instance group, but no instances in the instance group, so we bailed out when we tried to expand the bash array.

This PR adds a guard so we don't bail if the array is empty.

cc @jlowdermilk @spxtr 

Signed-off-by: Vishnu kannan <vishnuk@google.com>