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Use an s390x default-http-backend

This needs to be refactored to eventually say all non x86 architectures place a -arch() in the image name to support ppc64el, arm, etc.

Most all gcr.io/google_containers have -arch() image names.


**What this PR does / why we need it**:

Adds s390x images for when deploying to z system mainframes for default-http-backend image

**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/juju-solutions/bundle-canonical-kubernetes/issues/455

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

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should not ignore return messages from wait function

**What this PR does / why we need it**:
It should not ignore return messages for `wait*` function. When it go wrong, need `return` at once.

**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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Bump fluentd-gcp version

**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
fluentd-gcp updated to version 2.0.11.
```

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Modified local-volume provisioner e2e test to use mounted volumes

**What this PR does / why we need it**: We are changing the local volume provisioner to discover only mount points, https://github.com/kubernetes-incubator/external-storage/pull/499. This PR shifts the volumes from directories to mount points for the provisioner e2e tests.

**Which issue(s) this PR fixes**: 
Fixes https://github.com/kubernetes/kubernetes/issues/57004

**Special notes for your reviewer**:


**Release note**:
```
NONE
```

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bump(13f864): github.com/json-iterator/go: use ConfigCompatibleWithStandardLibrary

Jsoniter in `ConfigFastest` mode does not support escape characters in object keys, whereas `ConfigCompatibleWithStandardLibrary` does.

Fixes kubernetes/kubernetes#56018
Related kubernetes/kubernetes#56055

Benchmark results:

```
BenchmarkDecodeIntoJSON-4                                              	   30000	     48522 ns/op	    3792 B/op	      63 allocs/op
BenchmarkDecodeIntoJSONCodecGenConfigFast-4                            	  100000	     17409 ns/op	    4524 B/op	      96 allocs/op
BenchmarkDecodeIntoJSONCodecGenConfigCompatibleWithStandardLibrary-4   	  100000	     18617 ns/op	    4924 B/op	     121 allocs/op
```

/assign sttts thockin mfojtik

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Schedule Calico components even on tainted nodes

**What this PR does / why we need it**:

Fixes https://github.com/kubernetes/kubernetes/issues/57120

**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
calico-node addon tolerates all NoExecute and NoSchedule taints by default.
```

@dnardo

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Support LoadBalancer for Azure Virtual Machine Scale Sets

**What this PR does / why we need it**:

Continue of #43287, this PR adds LoadBalancer support for Azure Virtual Machine Scale Sets. To achieve this, this PR also

- Add a general VMSet interfaces for VMSS and VMAS, so that we won't add much if-else blocks for different logics
- Add scale sets implementation and availability sets implementation to VMSet
- Add vmSet property to Azure cloud provider and call vmSet instead of direct azure clients
- Add LoadBalancer support based vmSet


**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 #43287.

**Special notes for your reviewer**:

**Release note**:

```release-note
Support LoadBalancer for Azure Virtual Machine Scale Sets
```

/assign @brendandburns

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fix magic string for runtime type

**What this PR does / why we need it**:
This PR correct the magic string about container runtime to the constants.
**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**:
This PR correct the magic string about container runtime to the constants.
**Release note**:

```release-note
None
```

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Add VolumeMode in GlusterFS PV spec.

This ensures that GlusterFS pvs are file backed storage.
Signed-off-by: Humble Chirammal <hchiramm@redhat.com>



**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**:

**Release note**:

```release-note

```

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fix incorrect log in csi_plugin

What this PR does / why we need it:
fix incorrect log in csi_plugin_test.go and csi_mounter.go

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #
NONE

Special notes for your reviewer:
NONE

Release note:
NONE

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expose special storage locations for downstream consumption

Storage locations are public information and needed for congruent storage.  This exposes them in their new home.

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make kube-dns addon optional

**What this PR does / why we need it**: Makes the kube-dns addon optional so that users can deploy their own DNS solution.

**Release note**:
```release-note
Makes the kube-dns addon optional so that users can deploy their own DNS solution.
```

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Add e2e test for when a webhook does not return.

**What this PR does / why we need it**: Adding an e2e test to simulate a webhook not returning. Making sure this does not just hang the API.

**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 https://github.com/kubernetes/features/issues/492

**Special notes for your reviewer**:

**Release note**:
```release-note
NONE
```

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ensure PrinterForCommand is consumed through cmdutil.Factory

**Release note**:
```release-note
NONE
```

This patch is one in a series of patches that aims to move all
printing functions to the `cmdutil.Factory` in order to make
the factory the one-stop shop for accessing printers in the client.

This PR is related to https://github.com/kubernetes/kubernetes/pull/50113 and aims to break the set of changes
introduced in this commit in order to make them easier to review.

@fabianofranz @mengqiy @shiywang

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check for empty label before assigning

Prevents an empty label from being assigned to the resource builder when calling its `LabelSelectorParam` parameter. Currently, we assign the address of the provided selector string, even if the string is empty - this has the potential of returning erroneous failures since we check to see [if a selector was provided here](https://github.com/kubernetes/kubernetes/blob/master/pkg/kubectl/resource/builder.go#L470), for example, by doing a nil check. Storing the pointer to [an empty string value](https://github.com/kubernetes/kubernetes/blob/master/pkg/kubectl/resource/builder.go#L344) would break this check as the pointer is no longer nil

**Release note**:
```release-note
NONE
```

cc @deads2k @smarterclayton

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Remove deadcode

/assign @sttts 
PTAL, thanks
```release-note
NONE
```

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Use rbac client with explicit version

**What this PR does / why we need it**:
Rbac client without explicit version has been deprecated, change them to the one with explicit version.

**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 partially #55993

**Special notes for your reviewer**:
/cc @caesarxuchao @sttts

This is the cleanup for the last client. Hope there is detailed plan to remove these deprecated clients.

**Release note**:
```release-note
NONE
```

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Add tests for accept content-type fallback

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remove dead code in lifecycle admission

**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**:

**Release note**:

```release-note
NONE
```

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Update envelope.Service to use []byte in place of string.

In accordance to discussion with @lavalamp in [KMS Plugins API design doc](https://docs.google.com/document/d/1S_Wgn-psI0Z7SYGvp-83ePte5oUNMr4244uanGLYUmw/edit?usp=sharing).

Modifies envelope transformer introduced by #49350.

@lavalamp @destijl @kksriram

```release-note
NONE
```

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Use hostname for CCM resource lock id

**What this PR does / why we need it**:

Uses the hostname for the resource lock id without the `-external-cloud-controller` which follows how the kube-scheduler and KCM select their ID. This is useful for tools that use the id to fetch logs from the leader among other things. 

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

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

/cc @wlan0 @luxas

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gce: tighten up perms on kube-env

fixes https://github.com/kubernetes/kubernetes/issues/52999

@roberthbailey @tallclair

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Update debian setup script to match GCI.

Even though this file is deprecated in 1.8 and 1.9, add this for consistency and this will also be cherry picked back to 1.7

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enabling log rotate for api logs in nginx

**What this PR does / why we need it**:
Prevent the load balancer from filling the disk with logs from the api server
**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/juju-solutions/bundle-canonical-kubernetes/issues/449
**Special notes for your reviewer**:

**Release note**:

```release-note
Enabled log rotation for load balancer's api logs to prevent running out of disk space.
```

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Display apiGroups before resources in PolicyRule

This lets them sort logically into groups by string

"" "pods"
"" "configmaps"
"apps" "deployments"
"apps" "daemonsets"
etc

```release-note
NONE
```

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Add e2e test for custom metrics with Prometheus and Stackdriver

**What this PR does / why we need it**:
Add e2e test for custom metrics in a setup with a container exposing metrics in Prometheus format and prometheus-to-sd sidecar container scraping the metrics and writing them to Stackdriver.
Also some test refactoring for adding new tests more easily (plan to add scale down tests and a test with scaling on two metrics).

**Release note**:
```
NONE
```

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Remove unused ScrubDNS interface from cloudprovider

**What this PR does / why we need it**:

DNS scrubber from kubelet has been removed in #36785 and cloudprovider's `ScrubDNS()` interface is not used anywhere.

**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 #56953.

**Special notes for your reviewer**:

**Release note**:

```release-note
Remove ScrubDNS interface from cloudprovider.
```

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examples: Make messages more informative

by including pod name and namespace



**What this PR does / why we need it**:
Makes messages sent to stdout more informative.
This helps new users running the examples.

**Release note**:

```release-note
NONE
```

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remove internal version api from apply
Signed-off-by: dungeonmaster18 <umesh4257@gmail.com>



**What this PR does / why we need it**:
Remove internal api version from apply.go.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
it helps fixing [kubernetes/kubectl#83](https://github.com/kubernetes/kubectl/issues/83).

**Special notes for your reviewer**:

**Release note**:

```release-note
None
```

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Sort default cidrs for reproducible builds

**What this PR does / why we need it**:

In different distros or environments, we may end up with a different
order of the default string printed during help and man page generation,
So we should sort so the string we print is the same everytime.

**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 #52269

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

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code cleanup in discovery client

**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**:

**Release note**:

```release-note
NONE
```

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Fix Makefile doc for quick-release

**What this PR does / why we need it**:  Fix Makefile doc for quick-release
In the Makefile doc for quick-release target, it says:
KUBE_FASTBUILD: Whether to cross-compile for other architectures. Set to 'true' to do so.

**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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Remove dead code in winkernel proxy UT

**What this PR does / why we need it**:

There is a `+build windows` tag in `pkg/proxy/winkernel/proxier_test.go`, it means the UTs will not run in upstream CI. Plus, the UT codes in  `pkg/proxy/winkernel/proxier_test.go` are not for winkernel proxier, instead they are for iptables proxier!

We should remove the dead code in winkernel proxy UT and then create the winkernel-specific UTs.

**Which issue(s) this PR fixes**:
Fixes #56555

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

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Fix protobuf generator for aliases to repeated types

Currently if a type has an alias the generator will fail generating protobuf. This prevents the problem.

```release-note
NONE
```

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Convert scheduler_perf tests to use subtest.

Combine four separate tests into a table-driven test that uses subtests
to logically organize the tests.



**What this PR does / why we need it**:
Simplifies integration test code in test/integration/scheduler_perf.

**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
```

/sig scheduling

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Update kube-up.sh; fixed a typo!

fixed a typo in kube-up.sh; ```libvert-coreos``` should be ```libvirt-coreos```

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Improve etcd-version-monitor metrics proxying, add etcd 3.1 gprc metr…

Partially addresses https://github.com/kubernetes/kubernetes/issues/56869:

- Fix `etcd-version-monitor` to support etcd 3.1: Add support for the etcd 3.1+ [go-grpc-prometheus](https://github.com/grpc-ecosystem/go-grpc-prometheus) metrics format, which backward incompatibly replaces  the 3.0 legacy grpc metric format. Expose the go-grpc-prometheus metrics both in the 3.1 format and in the 3.0 format so systems consuming `etcd-version-monitor` metrics have a clean, simple upgrade path.
- Expose *all* etcd metrics by default, making this a one stop shop for all etcd metrics.
- Expose grpc request latency histogram metrics (`grpc_server_handling_seconds` from [go-grpc-prometheus](https://github.com/grpc-ecosystem/go-grpc-prometheus) metrics format). Rewrite etcd 3.0 legacy metric for latency histograms to the etcd 3.1+ `go-grpc-prometheus` format so there is a single format exported for all etcd versions.

etcd 3.0 to 3.1 upgrade path:  Continue to use the `etcd_grpc_requests_total`. Once the upgrade is complete and all etcd nodes are running 3.1, migrate to the `grpc_server_handled_total` metric at your leisure.

This PR reorganizes the code substantially. Previously, the code to proxy etcd metrics was hard coded and limited to a single counter metric. This has been entirely replaced with code that generically filters, rewrites proxied etcd metrics and then aggregates them with custom metrics such as the etcd version metric.

cc @wojtek-t @mml @shyamjvs @cheftako 

```release-note
Fix `etcd-version-monitor` to backward compatibly support etcd 3.1 [go-grpc-prometheus](https://github.com/grpc-ecosystem/go-grpc-prometheus) metrics format.
```

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enable flexvolume on Windows node

**What this PR does / why we need it**:
enable flexvolume on Windows node:
current PodVolumeDir is like 
`\var\lib\kubelet\pods\f54c5a74-da63-11e7-b71a-000d3a02c330\volumes\test~hostpath.cmd\flextest`
which is a unix path, with this PR, PodVolumeDir in **windows** kubelet  will be converted into like
`c:\var\lib\kubelet\pods\f54c5a74-da63-11e7-b71a-000d3a02c330\volumes\test~hostpath.cmd\flextest` 

**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 #56875

**Special notes for your reviewer**:
Detailed steps about how to use flexvolume on Windows with this PR:
https://github.com/andyzhangx/Demo/tree/master/windows/flexvolume

**Release note**:

```
enable flexvolume on Windows node
```

/sig windows

Automatic merge from submit-queue (batch tested with PRs 56650, 55813, 56911, 56921, 56871). 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 deviceplugin test file create leak file problem

When execute make test, this test file will create a file named "kubelet_internal_checkpoint" in k8s directory and not delete it.

This patch fix this error




**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 #56365

**Special notes for your reviewer**:

**Release note**:

```release-note

```