Fix services in load test

Bumped cluster autoscaler version.

Bumped cluster autoscaler version.

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GCI/Trusty: Fix an issue in using 'find' commands

This PR makes the logic of 'find' command consistent with the 'cp' command afterwards, i.e., only check one layer of a given dir. Without this fix, we have seen a recent breakage after PR #25309 added the file cluster/addons/fluentd-elasticsearch/es-image/template-k8s-logstash.json. The 'find' command discovers this json file, but the 'cp' command fails. 

@roberthbailey @dchen1107 @zmerlynn please review this fix, and mark it as a cherry pick candidate. I already verified this fix can resolve the breakage.

cc/ @wonderfly @fabioy @kubernetes/goog-image FYI

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cluster/juju: Updated the url for the getting started doc

Minor change to update the URL pointing at the "Running Kubernetes locally via Docker" document

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GCI: Enable the log of upstart jobs

This PR enables the log of upstart jobs in master.yaml and node.yaml. By default, log of upstart jobs are enabled in Trusty and placed in /var/log/upstart, but not enabled in GCI. This change explicitly directs the log to the system logger. For trusty, they are in /var/log/syslog file. In GCI, we can check it using "journalctl". This change will be useful for debugging if cluster initialization fails.

@roberthbailey @maisem @dchen1107 please review it. This will be useful for issues like #23634. We should also cherry pick it in release-1.2

cc/ @fabioy @zmerlynn @wonderfly FYI.

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Fixed namespace name to spark-cluster

Just changed the namespace from **default** to **spark-cluster** in the spark example docs. 

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examples: guestbook-go: fix the redis-master version

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test: Call forgotten resttest test

PR #3789 introduced this test, but it was never called.

This test was created, but never called.
Written, but never run.
It has neither flaked nor asserted. At its inception it was deserted.
My change gives this test a chance, to at long last finally pass.

The resttest stuff is a bit complicated and I'm not totally sure I put it in the right place  @smarterclayton, want to double check this change makes sense?

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Make bigger master root disks in GCE for large clusters

Ref. #25660

cc @zmerlynn @wojtek-t 

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Document godep updates better

`godep update` doesn't work.  It just says 'nothing to update'.  Drop it, and
use The Big Hammer instead.

@quinton-hoole @lavalamp 

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Explicitly enqueue controllers on failures and increase resync period

Ref #25563

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Node E2E: Shorten consistently check timeout of runtime conformance test

#24191 increased the node e2e running time by almost half an hour. It makes the test running time exceed 60 minutes timeout, which causes quite a few issues (See https://github.com/kubernetes/kubernetes/issues/25639).

As a quite fix, we'll skip all the runtime conformance test. @liangchenye We should remove redundant test cases in #24191 such as https://github.com/kubernetes/kubernetes/pull/24191#discussion_r62968819, and reduce the test running time as much as possible.

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Add NODE_NAME to started.json.

Sometimes a single Jenkins node gets borked. Lets upload what node we're on before running tests. See [this list of env vars that Jenkins sets for us.](https://wiki.jenkins-ci.org/display/JENKINS/Building+a+software+project#Buildingasoftwareproject-JenkinsSetEnvironmentVariables) I think this info should be added to gubernator.

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Automatically download the latest stable release version of Kubernetes.

The ubuntu version of download-release.sh included in the binary release downloads the released .tar.gz file again. Right now the version of the downloaded file is manually encoded within the script. This change fetches the released version automatically, similar to the shell script available on the main Kubernetes site below:

https://get.k8s.io/

Ideally the installation on bare metal ubuntu should work with the files available in the already downloaded package.

@mikedanese 

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Revert "OS X: Fix hyperkube build by adding empty string to sed invocation"

Reverts kubernetes/kubernetes#24852

This breaks the Linux build.

cc @johscheuer @zmerlynn 

Kubernetes. Echo error to stderr. Simplify expression for
KUBE_VERSION. Explicitly match beginning of string.

`godep update` doesn't work.  It just says 'nothing to update'.  Drop it, and
use The Big Hammer instead.

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Update basic example in client docs

This appeared to be out of date...

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Fix downward api for pod using host network.

Fixes #24576

@yujuhong @yifan-gu 
I still can't find a cleaner way to fix this, so send this for discussion.

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Updated e2e tests for cluster autoscaling.

[![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/.github/PULL_REQUEST_TEMPLATE.md?pixel)]()

Updated e2e tests for cluster autoscaling to work with the new cluster autoscaler.

Updated e2e tests for cluster autoscaling to work with the new cluster autoscaler.

Tune traces thresholds in etcdHelper

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Improve fatal error description in plugins.go of scheduler

The PR add more information for the fatal error in plugins.go of scheduler.

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Verify that openssl is installed in local-up-cluster.sh

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AWS kube-down: don't fail if ELB not in VPC - #23784

Prevent python undefined key error.

```
Traceback (most recent call last):
  File "<string>", line 1, in <module>
KeyError: 'VPCId'
```

Fixes #23784

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Adding patch and cleaning up namespace code

cc @kubernetes/sig-api-machinery 

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Introduce namespaces in load test

Ref #25563

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add index template for es aggregations

This index template helps us to do es aggregations of namespace_name, pod_name and container_name. Then after doing eggs, we will get the whole name not all the spilt pieces.  
fix #25127