This change adds comments to exported things and renames the tcp,
http, and exec probe interfaces to just be Prober within their
namespace.

Issue #68026

Added default tolerations for new pods.

Using node name to improve node controller performance. 

Signed-off-by: Da K. Ma <klaus1982.cn@gmail.com>

Consolidated CSIDriver logic under CSIDriverRegistry flag

Fix size of repd e2e to use Gi

Signed-off-by: Da K. Ma <klaus1982.cn@gmail.com>

Ignore "not found" endpoint on deletion for Gluster Storage Test

Support backwards compatibility for v1beta1 custom metrics client

[kubeadm] - Update controller manager arguments for v1.12+

kubeadm: add mandatory configuration to "phase preflight"

Apply user configurations for local etcd

Fix priority tests

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kubeadm: add mandatory phase "annotate-cri"

**What this PR does / why we need it**:
In v1.12, after the changing how kubeadm-config upload/fetch, AnnotateCRISocket is now a necessary step for getting a cluster that can be upgraded using phases. This PR adds a new subcommand for letting users to invoke AnnotateCRISocket as a phase

**Which issue(s) this PR fixes**:
Fixes # https://github.com/kubernetes/kubeadm/issues/925

**Special notes for your reviewer**:
When testing this PR, I found that one of the tests on component config defaulting was broken (didn't have time to investigate why yet). This PR fixes this test as well  

**Release note**:
```release-note
kubeadm: added phase command "alpha phase kubelet config annotate-cri"
```
@kubernetes/sig-cluster-lifecycle-pr-reviews
/sig cluster-lifecycle
/area kubeadm
/assign @timothysc @neolit123 
/kind bug

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update cloud provider deprecation notice

**What this PR does / why we need it**:
Updates cloud provider deprecation warning to clearly outline intentions set by sig cloud provider. 

**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/68234

**Special notes for your reviewer**:
also removed some extra white spaces

```release-note
NONE
```

/sig cloud-provider
cc @tpepper

Add the:
- mandatory flag "--config" to the preflight phase
and parse the specified config file for either "master" or "node".
- flag "--ignore-preflight-errors" to the preflight phase to
allow skipping errors.
- the function AddIgnorePreflightErrorsFlag()
to "options/generic.go", because the flag is used in multiple commands.

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Added unschedulable and network-unavailable toleration.
Signed-off-by: Da K. Ma <klaus1982.cn@gmail.com>

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
part of #61312
fixes: https://github.com/kubernetes/kubernetes/issues/67606

**Release note**:

```release-note
If `TaintNodesByCondition` is enabled, add `node.kubernetes.io/unschedulable` and
 `node.kubernetes.io/network-unavailable` automatically to DaemonSet pods.
```

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Add a completely populated yaml InitConfig to the v1lapha3 dodoc

**What this PR does / why we need it**:
The existing docs are located in [k/website][website], which means it's difficult to keep them up to date. Having an example next to the code will make it much easier to update the docs in lockstep with spec changes.

**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 kubernetes/kubeadm#1085

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

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Deprecate cloudstack and ovirt controller projects

Change-Id: Icca9142940269ad1cd28f1f3491684a1bc626c55



**What this PR does / why we need it**:
Do we have folks invested in these providers trying to work on the external controllers for these providers? Is there a future for these providers? If not can we deprecate and eventually remove them?

**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 @ngtuna @sebgoa @svanharmelen (for cloudstack)
cc @simon3z 

**Release note**:

```release-note
Deprecate cloudstack and ovirt controllers
```

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add missing LastTransitionTime of ContainerReady condition

**What this PR does / why we need it**:
add missing LastTransitionTime of ContainerReady condition

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
xref #64646

**Special notes for your reviewer**:
/cc freehan yujuhong

**Release note**:

```release-note
add missing LastTransitionTime of ContainerReady condition
```

Automatic merge from submit-queue (batch tested with PRs 65250, 68241). 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 informer cache instead of active pod gets in HPA controller.

**What this PR does / why we need it**:
Use informer cache instead of active pod gets in HPA controller. 

**Which issue(s) this PR fixes**:
Fixes #68217 

**Release note**:
```release-note
kube-controller-manager: use informer cache instead of active pod gets in HPA controller
```

Automatic merge from submit-queue (batch tested with PRs 65250, 68241). 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.

Initial node performance testing framework.

This PR adds a framework for node performance testing. 
Partially fixes: https://github.com/kubernetes/kubernetes/issues/65249.
Use the following command to run this test:
```sh
make test-e2e-node FOCUS="Node Performance Testing" SKIP="" PARALLELISM=1
```
It has been tested in the following environment:
- n1-standard-16
- Ubuntu 16.04
- docker 17.03.2

Note to reviewers:
This PR won't pass node e2e since the docker images in https://github.com/kubernetes/kubernetes/pull/65251 are required for this to function. The node e2e will fail when trying to pull the required images for testing.

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implement InstanceShutdownByProviderID for azure

**What this PR does / why we need it**: implements #66265

**Which issue(s) this PR fixes**: Fixes #66265

**Special notes for your reviewer**:

**Release note**:

```release-note
Support NodeShutdown taint for azure
```

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CSI Node info registration in kubelet

**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 #67683

**Special notes for your reviewer**:
Feature issue: https://github.com/kubernetes/features/issues/557
Design doc: https://github.com/kubernetes/community/pull/2034

Missing pieces:
* CSI client retry and exponential backoff logic.
* CSINodeInfo object validation
* e2e test with all the CSI machinery.

An RBAC rule is also added to support external-provisioner topology updates.

**Release note**:

```release-note
Registers volume topology information reported by a node-level Container Storage Interface (CSI) driver. This enables Kubernetes support of CSI topology mechanisms.
```

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vendor: bump github.com/evanphx/json-patch

Grab important bug fix that can cause a `panic()` from this package on
certain inputs. See https://github.com/evanphx/json-patch/commit/73af7f547e13ad70d7f7b3388255e7e5eb93adaf

```release-note
NONE
```

critical pod test should not rely on feature gate set in framework; non-critical pods are always preemptable

Grab important bug fix that can cause a `panic()` from this package on
certain inputs. See https://github.com/evanphx/json-patch/commit/73af7f547e13ad70d7f7b3388255e7e5eb93adafSigned-off-by: Brandon Philips <brandon@ifup.org>

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.

Fix eviction test panics

**What this PR does / why we need it**:
https://k8s-testgrid.appspot.com/sig-node-kubelet#kubelet-serial-gce-e2e&include-filter-by-regex=EvictionOrdering
e2e_node tests for eviction are failing because the BeforeEach and AfterEach added in are not correctly placed inside of a context. This PR moves the BeforeEach and AfterEach inside the context.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Issue: https://github.com/kubernetes/kubernetes/issues/66357

**Release note**:
```release-note
NONE
```
/sig node 
/kind bug
/assign @yujuhong @Random-Liu

Automatic merge from submit-queue (batch tested with PRs 68341, 68385). 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.

Fixed error message reporting for Gluster driver tests

Quick fix for error message for Gluster driver tests. This doesn't solve the problem but will make it easier to pinpoint the issue if it flakes again on CI.
Related to: #68373

/sig storage
/kind bug
/assign @msau42 

```release-note
NONE
```

Automatic merge from submit-queue (batch tested with PRs 68341, 68385). 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.

Fix kubeadm token list

**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 #https://github.com/kubernetes/kubeadm/issues/1094

**Special notes for your reviewer**:

**Release note**:

```release-note

```