Automatic merge from submit-queue
decouple workqueue metrics from prometheus
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**What this PR does / why we need it**:
We want to include the workqueue in client-go, but do not want to having to import Prometheus. This PR decouples the workqueue from prometheus.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
Partially address https://github.com/kubernetes/kubernetes/issues/33497
User requested for `workqueue` in client-go: https://github.com/kubernetes/client-go/issues/4#issuecomment-249444848
**Special notes for your reviewer**:
**Release note**:
<!-- Steps to write your release note:
1. Use the release-note-* labels to set the release note state (if you have access)
2. Enter your extended release note in the below block; leaving it blank means using the PR title as the release note. If no release note is required, just write `NONE`.
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```release-note
The implicit registration of Prometheus metrics for workqueue has been removed, and a plug-able interface was added. If you were using workqueue in your own binaries and want these metrics, add the following to your imports in the main package: "k8s.io/pkg/util/workqueue/prometheus".
```
Automatic merge from submit-queue
Add ECDSA support for service account tokens
Fixes#28180
```release-note
ECDSA keys can now be used for signing and verifying service account tokens.
```
Automatic merge from submit-queue
Abstraction of endpoints in leaderelection code
**Problem Statement**:
Currently the Leader Election code is hard coded against the endpoints api. This causes performance issues on large scale clusters due to incessant iptables refreshes, see: https://github.com/kubernetes/kubernetes/issues/26637
The goal of this PR is to:
- Abstract Endpoints out of the leader election code
- Fix a known bug in the event recording
fixes#18386
**Special notes for your reviewer**:
This is a 1st pass at abstracting the details of endpoints out into an interface. Any suggestions around how we we want to refactor this interface is welcome and could be addressed in either this PR or follow on PR.
/cc @ncdc @wojtek-t @rrati
Automatic merge from submit-queue
Dynamic provisioning for flocker volume plugin
Refactor flocker volume plugin
* [x] Support provisioning beta (#29006)
* [x] Support deletion
* [x] Use bind mounts instead of /flocker in containers
* [x] support ownership management or SELinux relabeling.
* [x] adds volume specification via datasetUUID (this is guranted to be unique)
I based my refactor work to replicate pretty much GCE-PD behaviour
**Related issues**: #29006#26908
@jsafrane @mattbates @wallrj @wallnerryan
persistentvolumecontroller.NewPersistentVolumeController has 11 arguments now,
put them into a structure.
Also, rename NewPersistentVolumeController to NewController, persistentvolume
is already name of the package.
Fixes#30219
The GC needs to build clients based only on Resource or Kind. Hoist the
restmapper out of the controller and the clientpool, support a new
ClientForGroupVersionKind and ClientForGroupVersionResource, and use the
appropriate one in both places.
Automatic merge from submit-queue
Refactor cert utils into one pkg, add funcs from bootkube for kubeadm to use
**What this PR does / why we need it**:
We have ended-up with rather incomplete and fragmented collection of utils for handling certificates. It may be worse to consider using `cfssl` for doing all of these things, but for now there is some functionality that we need in `kubeadm` that we can borrow from bootkube. It makes sense to move the utils from bookube into core, as discussed in #31221.
**Special notes for your reviewer**: I've taken the opportunity to review names of existing funcs and tried to make some improvements in that area (with help from @peterbourgon).
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue
Support Quobyte as StorageClass
This PR allows Users to use Quobyte as StorageClass for dynamic volume provisioning and implements the Provisioner/Deleter Interface.
@quolix @kubernetes/sig-storage @rootfs
Automatic merge from submit-queue
convert daemonset controller to shared informers
Convert the daemonset controller completely to `SharedInformers` for its list/watch resources.
@kubernetes/rh-cluster-infra @ncdc
Automatic merge from submit-queue
Switch ScheduledJob controller to use clientset
**What this PR does / why we need it**:
This is part of #25442. I've applied here the same fix I've applied in the manual client in #29187, see the 1st commit for that (@caesarxuchao we've talked about it in #29856).
@deads2k as promised
@janetkuo ptal
Automatic merge from submit-queue
Use PV shared informer in PV controller
Use the PV shared informer, addressing (partially) https://github.com/kubernetes/kubernetes/issues/26247 . Using the PVC shared informer is not so simple because sometimes the controller wants to `Requeue` and...
Automatic merge from submit-queue
support storage class in Ceph RBD volume
replace WIP PR #30959, using PV annotation idea from @jsafrane
@kubernetes/sig-storage @johscheuer @elsonrodriguez
Automatic merge from submit-queue
Split the version metric out to its own package
This PR breaks a client dependency on prometheus. Combined with #30638, the client will no longer depend on these packages.
Automatic merge from submit-queue
Implements Attacher Plugin Interface for vSphere
This PR does the following,
Fixes#29028 (vsphere volume should implement attacher interface): Implements Attacher Plugin Interface for vSphere.
See file:
pkg/volume/vsphere_volume/vsphere_volume.go. - Removed attach and detach calls from SetupAt and TearDownAt.
pkg/volume/vsphere_volume/attacher.go. - Implements Attacher & Detacher Plugin Interface for vSphere. (Ref :- GCE_PD & AWS attacher.go)
pkg/cloudproviders/provider/vsphere.go - Added DiskIsAttach method.
The vSphere plugin code needs clean up. (ex: The code for getting vSphere instance is repeated in file pkg/cloudprovider/providers/vsphere.go). I will fix this in next PR.
Automatic merge from submit-queue
Remove implicit Prometheus metrics from client
**What this PR does / why we need it**: This PR starts to cut away at dependencies that the client has.
**Release note**:
<!-- Steps to write your release note:
1. Use the release-note-* labels to set the release note state (if you have access)
2. Enter your extended release note in the below block; leaving it blank means using the PR title as the release note. If no release note is required, just write `NONE`.
-->
```release-note
The implicit registration of Prometheus metrics for request count and latency have been removed, and a plug-able interface was added. If you were using our client libraries in your own binaries and want these metrics, add the following to your imports in the main package: "k8s.io/pkg/client/metrics/prometheus".
```
cc: @kubernetes/sig-api-machinery @kubernetes/sig-instrumentation @fgrzadkowski @wojtek-t
Automatic merge from submit-queue
Enable the garbage collector by default
Turning GC on by default.
Memory usage of GC is back to normal after #30943. The CPU usage is a little higher than the cap in scalability test (1.11 core vs. 1 core). This PR adjusted the default GC worker to 20 to see if that helps CPU usage.
@kubernetes/sig-api-machinery @wojtek-t @lavalamp
Kubernetes Submit Queue