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Avoid duplicated contrib/ sources

This commit removes a part of common.sh script which copied contrib/ sources for enabled contribs, which resulted in the duplicated files inside tarball.

Fixes #30150

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Node e2e memory eviction test

This tests memory evictions.
See related issue #28619 and fix to cadvisor https://github.com/google/cadvisor/pull/1380.

cc @vishh @derekwaynecarr @timstclair

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AWS: Allow no-op kube-down to exit 0

Not exactly sure why hack/e2e.go `IsUp()` is returning true right now,
but I can solve this a different way. This unifies with the GCE
behavior, which is that no-op kube-down returns 0.

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add metrics for workqueues

Adds prometheus metrics to work queues and enables them for the resourcequota controller.  It would be easy to add this to all other workqueue based controllers and gather basic responsiveness metrics.

@kubernetes/rh-cluster-infra helps debug quota controller responsiveness problems.

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Not exactly sure why hack/e2e.go IsUp() is returning true right now,
but I can solve this a different way. This unifies with the GCE
behavior, which is that no-op kube-down returns 0.

Automatic merge from submit-queue

Allow running etcd in v3 API (currently just on GCE)

Ref #20504 #25286

@timothysc @xiang90 @hongchaodeng @smarterclayton @kubernetes/sig-api-machinery

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Prevent panic in 'kubectl exec' when redirecting stdout

Just add some nil checks to make sure we don't trip over when
we redirect output from exec to a file.

Fixes #30290

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Federation - common libs - small changes in delaying deliverer

No-arg constructor, start and option to start with a handler listening on the target channel.

cc: @quinton-hoole @wojtek-t @kubernetes/sig-cluster-federation

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Log warning when terminating all watchers

Ref #30275

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Do not re-initialize the output on label selector conversion

This conversion will always kill whatever is passed in the output.

@kargakis @deads2k PTAL

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Fix incorrect logging format in sj controller



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Change the name of kubemark config file

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Minor fixes in federated controller libraries

Arg change in federated informer + get channel func in delaying deliverer.

cc: @quinton-hoole @wojtek-t @kubernetes/sig-cluster-federation

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Print location of kubemark kubeconfig at the end of start-kubemark

cc @caesarxuchao

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Federation - common libs - a set of handy handlers for informers

A common scenario for using informer handlers would be to put the object key in a queue
for global reconciliation.

cc: @quinton-hoole @wojtek-t @kubernetes/sig-cluster-federation

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Remove seconds from scheduled jobs cron format

@erictune @janetkuo as promised this removes the seconds from the cron format

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fix kubemark

Automatic merge from submit-queue

Fixing a potential container deletion GC timing issue 

If pod manager is updated before all containers in a pod are deleted, the container clean up logic should still be triggered.

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Debug kubemark startup problems

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Add nfs-common to hyperkube



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Correctly pipe USE_KUBEMARK in e2e-runner

Automatic merge from submit-queue

kube-proxy: Propagate hostname to iptables proxier

Need to propagate the hostname (i.e. Nodename) from kube-proxy to the iptables proxier to allow kube-proxy to determine local endpoints.

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Update etcd makefile to build 3.0.4

Bumps the dependency, but we will also need someone to push to the google repos too.  

/cc @kubernetes/sig-scalability  

xref: #29235 #29399

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storage interface: remove Backends()



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Adding ingress resource to federation apiserver

Fixes https://github.com/kubernetes/kubernetes/issues/29342

cc @kubernetes/sig-cluster-federation

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Fix for issue #30310

Automatic merge from submit-queue

Remove kubelet dependency on pidof

Issue #26093 identified pidof as one of the dependencies of kublet
which could be worked around. In this PR, we just look at /proc
to construct the list of pids we need for a specified process
instead of running "pidof" executable

Related to #26093

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Add test for supplemental gid annotation to pv e2e test

Test for feature added in #29119. Adds the annotation to the pv in the PersistentVolumes e2e test. It tests it by checking the output of 'id -G.' Also tests the actual use case of an nfs server by using an nfs server image 'volume-nfs-gid', modified slightly from 'volume-nfs' to have some permissions set.

@pmorie

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