Automatic merge from submit-queue
Support completion for --cluster and --user
**What this PR does / why we need it**:
kubectl is supported completion for `--cluster` and `--user`.
```
$ kubectl --user=<tab>
--user=minikube --user=user01
$ kubectl --cluster=<tab>
--cluster=cluster01 --cluster=minikube
```
**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
Add completion support for --namespace and --cluster to kubectl
```
Automatic merge from submit-queue
add kubelet tests to verify host clean up
**What this PR does / why we need it**:
Increasingly we're seeing more failures in persistent volume e2e tests where pv tests are run in parallel with disruptive tests. The quick solution is to tag the pv tests as Flaky. This pr addresses one cause of the flakiness and adds a disruptive kubelet test.
Once this pr is shown to not produce flakes the [Flaky] tag for the "HostCleanup" tests will be removed in a separate pr.
+ Adds volume tests to _kubelet.go_ motivated by issues [31272](https://github.com/kubernetes/kubernetes/issues/31272) and [37657](https://github.com/kubernetes/kubernetes/issues/37657)
+ Addresses reverted pr [41178](https://github.com/kubernetes/kubernetes/pull/41178) and negates the need for pr [41229](https://github.com/kubernetes/kubernetes/pull/41229)
**Which issue this PR fixes**
Adds regression tests to cover issues: #31272 and #37657
**Special notes for your reviewer**:
It's possible that one of the new tests, which relies on the existence of _/usr/sbin/rpc.nfsd_ in the nfs-server pod, will not work in the GCI container env. If this turns out to be true then I will add a `SkipIfProviderIs("gke")` to the `It` block.
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue
add deregistration for paths
Aggregation and TPRs require the ability to de-register endpoints. This adds the capability and makes it threadsafe.
Automatic merge from submit-queue
[e2e] Bump up pod deletion time for source pod IP test
From #44225.
Source pod IP e2e test is pretty flaky lately, and most of the failures seem to be timeout waiting for pod "kube-proxy-mode-detector" to disappear. Didn't found any other thing suspicious.
This PR bumps pod deletion timeout to DefaultPodDeletionTimeout, which is 3 minutes. Hopefully it will mitigate the flakes.
/assign @freehan
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue
Do etcd semver validation using posix only
this is a follow-up to https://github.com/kubernetes/kubernetes/pull/44352, can't use sort -V because not everybody has that
```release-note
NONE
```
Automatic merge from submit-queue
Bugfix: cloud-controller-manager routeController.run() block in WaitForCacheSync
**What this PR does / why we need it**:
cloud-controller-manager routeController.run not run in goroutine will block to wait nodeListerSynced because sharedInformers not started
**Special notes for your reviewer**:
cloud-controller-manager routeController.run should run in goroutine like the same code in kube-controller-manager,or it will block to wait nodeListerSynced,but sharedInformers not startd.
```go
//controller-manager.go:197
func StartControllers(s *options.CloudControllerManagerServer, kubeconfig *restclient.Config, rootClientBuilder, clientBuilder controller.ControllerClientBuilder, stop <-chan struct{}, recorder record.EventRecorder, cloud cloudprovider.Interface) error {
// Function to build the kube client object
client := func(serviceAccountName string) clientset.Interface {
return rootClientBuilder.ClientOrDie(serviceAccountName)
}
versionedClient := client("shared-informers")
sharedInformers := informers.NewSharedInformerFactory(versionedClient, resyncPeriod(s)())
ocateNodeCIDRs && s.ConfigureCloudRoutes {
if routes, ok := cloud.Routes(); !ok {
glog.Warning("configure-cloud-routes is set, but cloud provider does not support routes. Will not configure cloud provider routes.")
} else {
routeController := routecontroller.New(routes, client("route-controller"), sharedInformers.Core().V1().Nodes(), s.ClusterName, clusterCIDR)
//should run in goroutine
-----> routeController.Run(stop, s.RouteReconciliationPeriod.Duration)
time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter))
}
} else {
glog.Infof("Will not configure cloud provider routes for allocate-node-cidrs: %v, configure-cloud-routes: %v.", s.AllocateNodeCIDRs, s.ConfigureCloudRoutes)
}
---> sharedInformers.Start(stop)
select {}
}
//routecontroller.go:77
func (rc *RouteController) Run(stopCh <-chan struct{}, syncPeriod time.Duration) {
defer utilruntime.HandleCrash()
glog.Info("Starting the route controller")
//will block
---> if !cache.WaitForCacheSync(stopCh, rc.nodeListerSynced) {
utilruntime.HandleError(fmt.Errorf("timed out waiting for caches to sync"))
return
}
go wait.NonSlidingUntil(func() {
if err := rc.reconcileNodeRoutes(); err != nil {
glog.Errorf("Couldn't reconcile node routes: %v", err)
}
}, syncPeriod, wait.NeverStop)
}
```
Automatic merge from submit-queue
Reduce replication_controller log spam
Decrease verbosity and reword 'Observed updated replication controller
...' now that the issue it was added for has been fixed.
This was originally added to debug #31981, and it was fixed back in September 2016.
cc @gmarek @wojtek-t @kargakis @eparis @smarterclayton
Automatic merge from submit-queue
dnsprovider: Avoid panic if fields are nil
The aws-sdk has some helper functions which should generally be used
whenever dereferencing an AWS provided pointer, in case the pointer is
nil, which would otherwise be a panic.
Issue https://github.com/kubernetes/kops/issues/2347
```release-note
dnsprovider: avoid panic if route53 fields are nil
```
Automatic merge from submit-queue
local up dns defaults/Privileged defaults so that [Conformance] sets mostly pass on local clusters.
Fixes#43651 So that only 4 tests fail out of the box.
Automatic merge from submit-queue
Adding load balancer src cidrs to GCE cloudprovider
**What this PR does / why we need it**:
As of January 31st, 2018, GCP will be sending health checks and l7 traffic from two CIDRs and legacy health checks from three CIDS. This PR moves them into the cloudprovider package and provides a flag for override.
Another PR will need to be address firewall rule creation for external L4 network loadbalancing #40778
**Which issue this PR fixes**
Step one of #40778
Step one of https://github.com/kubernetes/ingress/issues/197
**Release note**:
```release-note
Add flags to GCE cloud provider to override known L4/L7 proxy & health check source cidrs
```
Automatic merge from submit-queue
Make get-kube.sh work properly the "ci/latest" pointer
**What this PR does / why we need it**: this is a (late) followup from #36419, fixing a bug discovered in https://github.com/kubernetes/kubernetes/pull/36419#issuecomment-265679578.
Basically, `get-kube-binaries.sh` looks at `$KUBERNETES_RELEASE_URL`, but we weren't properly overriding it in `get-kube.sh` when downloading binaries from the CI release bucket. With this change, we set the variable correctly, and everything works:
```console
$ KUBERNETES_RELEASE=ci/latest ~/code/kubernetes/src/k8s.io/kubernetes/cluster/get-kube.sh
Downloading kubernetes release v1.7.0-alpha.0.2068+3a3dc827e45426
from https://dl.k8s.io/ci/v1.7.0-alpha.0.2068+3a3dc827e45426/kubernetes.tar.gz
to /tmp/foo/kubernetes.tar.gz
Is this ok? [Y]/n
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 161 100 161 0 0 1004 0 --:--:-- --:--:-- --:--:-- 1006
100 6023k 100 6023k 0 0 10.9M 0 --:--:-- --:--:-- --:--:-- 10.9M
Unpacking kubernetes release v1.7.0-alpha.0.2068+3a3dc827e45426
Kubernetes release: v1.7.0-alpha.0.2068+3a3dc827e45426
Server: linux/amd64 (to override, set KUBERNETES_SERVER_ARCH)
Client: linux/amd64 (autodetected)
Will download kubernetes-server-linux-amd64.tar.gz from https://dl.k8s.io/ci/v1.7.0-alpha.0.2068+3a3dc827e45426
Will download and extract kubernetes-client-linux-amd64.tar.gz from https://dl.k8s.io/ci/v1.7.0-alpha.0.2068+3a3dc827e45426
Is this ok? [Y]/n
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 161 100 161 0 0 991 0 --:--:-- --:--:-- --:--:-- 987
100 348M 100 348M 0 0 39.1M 0 0:00:08 0:00:08 --:--:-- 34.2M
md5sum(kubernetes-server-linux-amd64.tar.gz)=e71c9b48f6551797a74de2b83b501c44
sha1sum(kubernetes-server-linux-amd64.tar.gz)=688dcf567b60e27e3d9bf97436154543432768cf
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 161 100 161 0 0 1019 0 --:--:-- --:--:-- --:--:-- 1025
100 29.0M 100 29.0M 0 0 32.2M 0 --:--:-- --:--:-- --:--:-- 95.4M
md5sum(kubernetes-client-linux-amd64.tar.gz)=8e6a90298411ae5a0e943b1c0e182b1d
sha1sum(kubernetes-client-linux-amd64.tar.gz)=187a2d2c1c6ae1ead32ec4c1fa51f695223edaae
Extracting /tmp/foo/kubernetes/client/kubernetes-client-linux-amd64.tar.gz into /tmp/foo/kubernetes/platforms/linux/amd64
Add '/tmp/foo/kubernetes/client/bin' to your PATH to use newly-installed binaries.
Creating a kubernetes on gce...
...
```
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue
Add prometheus metrics for age of stats used for evictions.
Completes #42923
This PR adds metrics for evictions, and records how stale data used for evictions is.
cc @vishh @derekwaynecarr @kubernetes/sig-node-pr-reviews
Automatic merge from submit-queue
Make the dockershim root directory configurable
Make the dockershim root directory configurable so things like
integration tests (e.g. in OpenShift) can run as non-root.
cc @sttts @derekwaynecarr @yujuhong @Random-Liu @kubernetes/sig-node-pr-reviews @kubernetes/rh-cluster-infra
Automatic merge from submit-queue
In 'kubectl describe', find controllers with ControllerRef, instead of showing the original creator
@enisoc @kargakis @kubernetes/sig-apps-pr-reviews @kubernetes/sig-cli-pr-reviews
```release-note
In 'kubectl describe', find controllers with ControllerRef, instead of showing the original creator.
```
Automatic merge from submit-queue
Exit from NewController() for PersistentVolumeController when InitPlugins() failed
Exit from NewController() for PersistentVolumeController when InitPlugins() failed just like NewAttachDetachController() does
**Release note**:
```release-note
NONE
```
@jsafrane @saad-ali PTAL. Thanks in advance
Automatic merge from submit-queue
Non global admission plugin registry
For testing the global state is a problem. This PR turns the actual registry into a struct that must be instantiated. For the beginning, we do this in `pkg/kubeapiserver/admission`. In some follow-up (where we hunt down all globals some day), we will move this into the genericapiserver.
Automatic merge from submit-queue
Conversionlint
**What this PR does / why we need it**:
This PR adds a comment placeholder for the exported or public functions in conversion generator files. Such functions without a comment results into golint failure in various generated files. The changes in this patch takes care of about 36 related lint failures.
Given below is an example lint error,
zz_generated.conversion.go:91:1: exported function Convert_v1alpha1_Binding_To_servicecatalog_Binding should have comment or be unexported
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
Considering minor changes no issue is created.
**Special notes for your reviewer**:
Hello, I am trying to fix golint failures as we see them in the kubernetes-incubator/service-catalog project. I have separate PRs opened for lint issues related to other generator code which are in separate libraries like gengo. Thanks!
**Release note**:
```release-note
```
Automatic merge from submit-queue
Ensure only 1 Swift URL is used in cluster operations
**What this PR does / why we need it**:
Extracts only 1 Swift URL if multiple are returned from Keystone.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*:
https://github.com/kubernetes/kubernetes/issues/34930
**Special notes for your reviewer**:
**Release note**:
```release-note
Heat cluster operations now support environments that have multiple Swift URLs
```
Automatic merge from submit-queue
delete rolebinding from correct namespace
Fixes#44212
The rolebinding needs to be deleted from the namespace we create it in.
@mdshuai
Automatic merge from submit-queue
Edge-based userspace LB in kube-proxy
@thockin @bowei - if one of you could take a look if that PR doesn't break some basic kube-proxy assumptions. The similar change for winuserproxy should be pretty trivial.
And we should also do that for iptables, but that requires splitting the iptables code to syncProxyRules (which from what I know @thockin already started working on so we should probably wait for it to be done).
Automatic merge from submit-queue
Move api helpers.go to a subpackage
Part of https://github.com/kubernetes/kubernetes/issues/44065.
This PR moves the pkg/api/helpers.go to its own subpackage. It's mostly a mechanic move, except that
* I removed ConversionError in helpers.go, it's not used by anyone
* I moved the 3 methods of Taint and Toleration to pkg/api/methods.go, and left a TODO saying refactoring these methods to functions.
I'll send a few more PRs to make the k8s.io/kubernetes/pkg/api package only contains the code we want in the k8s.io/api repo, then we can run a [script](a0015fd1be (diff-7a2fbb4371972350ee414c6b88aee1c8)) to cut the new repo.
The aws-sdk has some helper functions which should generally be used
whenever dereferencing an AWS provided pointer, in case the pointer is
nil, which would otherwise be a panic.
Issue https://github.com/kubernetes/kops/issues/2347
Automatic merge from submit-queue
Use auto mode networks instead of legacy networks in GCP
Use of the --range flag creates legacy networks in GCP.
Legacy networks will not support new GCP features.
```release-note
NONE
```
Kubernetes Submit Queue