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Add direct serializer
Fix#25589. Implemented a direct codec that doesn't do conversion, but sets the group, version and kind before serialization as Clayton suggested [here](https://github.com/kubernetes/kubernetes/issues/25589#issuecomment-219168009).
First commit is cherry-picked from #24826.
@kubernetes/sig-api-machinery
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kubelet e2e: bumping cpu limit
The previous limit was too aggressive and caused kubernetes-e2e-gce-serial build 1404 to fail.
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cluster/coreos: Update heapster addon to beta2
fixes#26616
As noted there, heapster was updated but not for gce/coreos which breaks anything that depends on heapster's new metrics API (i.e. autoscaling)
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Trusty: fix breakage by #26413 and #26109
The code https://github.com/kubernetes/kubernetes/tree/master/cluster/gce/trusty in both master and release-1.2 branches is broken. Although we already switched to using cluster/gce/gci for 1.3 branch, we will still need to maintain the cluster/gce/trusty code as long as release-1.2 branch is not deprecated. I will make a couple of PR and cherry-picks to make cluster/gce/trusty back to normal. This PR is one of them, which will not be cherry picked to release-1.2.
@roberthbailey @dchen1107 @fabioy @zmerlynn
cc/ @kubernetes/goog-image
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Fix fake event recorder race
Event recorder should wait for some time to get all expected events, the event may be written by another goroutine that just have finished.
It should not slow down the test in most cases, only when there is a bug and expected event is not sent.
Fixes#26578
Using P2 to speed up merge and to prevent further flakes.
@kubernetes/sig-storage
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Change Kubelet test to run also in large clusters
This should fix the recent failure of kubelet test in 2000-node cluster.
@zmerlynn - FYI
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GCI: cherry-pick the fix in PR #25670
This PR simply copies the fix in #25670 into the GCI support.
cc/ @kubernetes/goog-image @dchen1107 @roberthbailey
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Don't set the env var CC when not cross-compiling
I noticed that this script was trying to use `arm-linux-gnueabi-gcc` also when running natively on arm.
When running natively, `CC` should always be `gcc` (which also is the default)
Also added `federation-controller-manager` to the static list, I think someone forgot to do that.
@ixdy @david-mcmahon @spiffxp @spxtr
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SSH e2e: Limit to 100 nodes, limit combinatorics
[]()This limits the "for all hosts" to 100 nodes, and also limits the
combinatorial section so that we only do the other SSH command variant
testing on the first host rather than *all* of the hosts. I also
killed one of the variants because it didn't seem to be testing much
important.
Fixes#26600
Event recorder should wait for some time to get all expected events, the event
may be written by another goroutine that just have finished.
It should not slow down the test in most cases, only when there is a bug and
expected event is not sent.
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retry GetThirdPartyGroupVersions
GetThirdPartyGroupVersions() may return a "NotFound" error if a thirdparty group is deleted in the interim between the group-discovery and the resource-discovery. This is causing e2e flakes in all tests that run kubectl, because test/e2e/thirdparty.go is creating/deleting thirdparty groups.
Fix#26425
The e2e flakes will have the following pattern:
1. the test is calling kubectl
2. error message is `Error from server: the server could not find the requested resource`
3. in the apiserver log, you should see `GET /apis/company.com/v1: (518.944µs) 404 [[kubectl/v1.3.0 (linux/amd64) kubernetes/ae28564] 104.154.110.118:46043]`
For detail see [here](https://github.com/kubernetes/kubernetes/issues/26425#issuecomment-222844523)
cc @janetkuo @brendanburns
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federation cluster controller: load secretRef only if it is present
Ref https://github.com/kubernetes/kubernetes/pull/26132#issuecomment-222614042
Updated the code to load the secretRef only if it is present in the spec. This allows unsecured access to the cluster.
cc @kubernetes/sig-cluster-federation @mfanjie
This limits the "for all hosts" to 100 nodes, and also limits the
combinatorial section so that we only do the other SSH command variant
testing on the first host rather than *all* of the hosts. I also
killed one of the variants because it didn't seem to be testing much
important.
Fixes#26600
Automatic merge from submit-queue
Stabilize controller unit tests.
Remove test "5-1", it's flaky as it depends on order of execution of goroutines. When the controller starts, existing claim is enqueued as "initial sync event" and a new volume is enqueued to separate goroutine. It is not deterministic which goroutine processes its events first and there is no way how to tell that the claim event was processed.
Also, force resync of the controllers after the test to make sure all events are processed.
Fixes unit test flakes.
@kubernetes/sig-storage
k8s-merge-robot