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Add block volume support to Cinder volume plugin
**What this PR does / why we need it**:
This PR adds block volume support to Cinder volume plugin.
**Release note**:
```release-note
Added block volume support to Cinder volume plugin.
```
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Move equivalence cache to its own package
**What this PR does / why we need it**:
Untangle equivalence class implementation from genericScheduler implementation. This makes it clearer where the two interact, and prevents them from accessing unexported internals.
**Special notes for your reviewer**:
Please review https://github.com/kubernetes/kubernetes/pull/63942 first as this is based on it.
This also needs to rebase on https://github.com/kubernetes/kubernetes/pull/64216 to pass tests.
**Release note**:
```release-note
NONE
```
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Address an old 'TODO' and lazy initialize firewallD signal handler.
@kubernetes/sig-network-misc
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ignore not found file error when watching manifests
**What this PR does / why we need it**:
An alternative of #63910.
When using vim to create a new file in manifest folder, a temporary file, with an arbitrary number (like 4913) as its name, will be created to check if a directory is writable and see the resulting ACL.
These temporary files will be deleted later, which should by ignored when watching the manifest folder.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#55928, #59009, #48219
**Special notes for your reviewer**:
/cc dims luxas yujuhong liggitt tallclair
**Release note**:
```release-note
ignore not found file error when watching manifests
```
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add port-forward examples for sevice
add port-forward examples for sevice
```
$ kubectl port-forward --help
........
Examples:
# Listen on ports 5000 and 6000 locally, forwarding data to/from ports 5000 and 6000 in the pod
kubectl port-forward pod/mypod 5000 6000
# Listen on ports 5000 and 6000 locally, forwarding data to/from ports 5000 and 6000 in a pod selected by the
deployment
kubectl port-forward deployment/mydeployment 5000 6000
# Listen on ports 5000 and 6000 locally, forwarding data to/from ports 5000 and 6000 in a pod selected by the
service
kubectl port-forward service/myservice 5000 6000
# Listen on port 8888 locally, forwarding to 5000 in the pod
kubectl port-forward pod/mypod 8888:5000
# Listen on a random port locally, forwarding to 5000 in the pod
kubectl port-forward pod/mypod :5000
........
```
**What this PR does / why we need it**:
add port-forward examples for sevice
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
add port-forward examples for sevice
```
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add extended resource name validation
@smarterclayton I dont know who is in charge of extended resource, so just assign this to you. This is a quite simple PR, just add extended resource name validation test case, as we validate extended resource quantity and overcommit.
```release-note
NONE
```
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use subtest for table units (pkg/kubectl)
**What this PR does / why we need it**:
Go 1.7 added the subtest feature which can make table-driven tests much easier to run and debug. Many table-driven tests in pkg/kubectl are not using this feature.
/kind cleanup
/area kubectl
Further reading: [Using Subtests and Sub-benchmarks](https://blog.golang.org/subtests)
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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fix rbd device works at block mode not get mapped to container
In my environment, restart docker will caused all of the container restart(our kernel is a bit old).
Kubelet will also be restart.
After the container up , I checked the container and find the RBD block device is not mapped to container.
When I inspect the container, its {HostConfig.Devices[]} field is empty.
I did some debug, then find that at code https://github.com/kubernetes/kubernetes/blob/master/pkg/kubelet/kubelet_pods.go#L113
The volName is empty.
```release-notes
Fix issues for block device not mapped to container.
```
This moves the equivalence cache implementation out of the 'core'
package and into k8s.io/kubernetes/pkg/scheduler/core/equivalence.
Separating the equiv. cache from the genericScheduler implementation
make their interaction points easier to follow, and prevents us from
accidentally accessing unexported fields.
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print nodes for those metrics is somehow unreachable
**What this PR does / why we need it**:
When we use `kubectl top nodes`, some nodes will be ignored when their metrics cannot be fetched from metrics serve. It might be misleading for users.
This PR helps print the missing nodes like:
```
NAME CPU(cores) CPU% MEMORY(bytes) MEMORY%
missing-nodes - - - -
```
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#63986
**Special notes for your reviewer**:
**Release note**:
```release-note
Fixes missing nodes lines when kubectl top nodes
```
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update pod state of scheduler cache when UpdatePod
update pod state map in scheduler cache when call UpdatePod. @k82cn @bsalamat
```release-note
keep pod state consistent when scheduler cache UpdatePod
```
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Fix UnmountDevice with deleted pod.
When a pod is deleted, kubelet can't read VolumeAttachment objects. It should cache all information in a json file.
Fixes#63827
~~Work in progress: missing (unit?) tests~~
**Release note**:
```release-note
NONE
```
@saad-ali @vladimirvivien @sbezverk
/sig storage
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Fix#64119 RBD volumes cannot be mapped read only to more than 1 container
**What this PR does / why we need it**:
RBD volumes cannot be mapped read only to more than 1 container.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#64119
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Fix some log issues in flexvolume
**What this PR does / why we need it**:
This PR fixes some log errors in flexvolume's code. Currently some log statements logs the fuction call `spec.Name()` as `spec.Name`, which causes an address appeared in the log.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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add unit test for func PodRequestsAndLimits and ExtractContainerResourceValue
**What this PR does / why we need it**:
add unit test for func PodRequestsAndLimits and ExtractContainerResourceValue
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Remove mount.GetMountRefs in favor of mounter.GetMountRefs
**What this PR does / why we need it**:
Currently, there are two `GetMountRefs` functions:
- `mount.GetMountRefs`: used in various volume plugins
- `<mounter>.GetMountRefs` (previously `mount.GetMountRefsByDev` introduced in [#49988](https://github.com/kubernetes/kubernetes/pull/49988/files#diff-0c0020e71c995790a90ad9c61ede7632R154), moved to `Mounter` interface in #62903)
This is confusing, and it's better to implement `GetMountRefs` on mounter interface, because different mounters can have their own implementation (especially for nsenter).
This pr removes `mount.GetMountRefs` in favor of mounter.GetMountRefs.
More discussions: https://github.com/kubernetes/kubernetes/pull/62102#issuecomment-390081884 and https://github.com/kubernetes/kubernetes/pull/62102#issuecomment-390123022.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Switch RBAC escalation check to use active authorizer
Closes#43409
```release-note
All configured authorizers are now checked to determine if an RBAC role or clusterrole escalation (setting permissions the user does not currently have via RBAC) is allowed.
```
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Errorf format %q has arg b.labelSelector of wrong type *string
**What this PR does / why we need it**:
/kind bug
Errorf format %q has arg b.labelSelector of wrong type *string
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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cleanup some dead kubelet code
**Release note**:
```release-note
NONE
```
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resourceQuota: optimize Equals of ResourceLists
optimize ResourceList Equals function: reduce a loop.
**Release note**:
```release-note
NONE
```
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add external resource group support for azure disk
**What this PR does / why we need it**:
add external resource group support for azure disk,
- without this PR, user could only create dynamic azure disk in the same resource group as cluster
- with this PR, user could specify external resource group in PVC:
```
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
name: pvc-azuredisk
annotations:
volume.beta.kubernetes.io/resource-group: "USER-SPECIFIED-RG"
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 1Gi
storageClassName: hdd
```
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#64388
**Special notes for your reviewer**:
Pls note above config won't change resource group for azure disk forever, next time if user don't specify resource group, only default resource group will be used.
**Release note**:
```
add external resource group support for azure disk
```
/sig azure
/assign @feiskyer @karataliu
/cc @khenidak
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pkg: kubelet: remote: increase grpc client default size to 16MiB
**What this PR does / why we need it**:
Increase the gRPC max message size to 16MB in the remote container runtime. I've seen sizes over 8MB in clusters with big (256GB RAM) nodes.
**Release note**:
```release-note
Increase the gRPC max message size to 16MB in the remote container runtime.
```
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Make taint behavior consistent for NoSchedule
**What this PR does / why we need it**:
Make taint behavior consistent.
If `TaintNodesByCondition ` is enable, taint node with `NotReady:NoSchedule`.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#63420
**Special notes for your reviewer**:
**Release note**:
```release-note
None
```
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CSI block map file path fix
**What this PR does / why we need it**:
This PR is a bug fix that addresses the way CSI communicates block volume path. Instead of sending a directory to the external CSI driver, this PR fixes it to send path to a pre-existing file used for block mapping.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#64854
**Special notes for your reviewer**:
/kind bug
**Release note**:
```release-note
NONE
```
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we should use Warningf instead of Warning when we are using format string
**What this PR does / why we need it**:
we should use Warningf instead of Warning when we are using format string
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Add more kubectl auth reconcile flags
```release-note
The --remove-extra-subjects and --remove-extra-permissions flags have been enabled for kubectl auth reconcile
```
/assign @deads2k
cc @enj @juanvallejo
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remove redundant getKey functions from controller tests
```release-note
None
```
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bind alpha feature network plugin flags correctly
**What this PR does / why we need it**:
When working #63542, I found the flags, like `--cni-conf-dir` and `cni-bin-dir`, were not correctly bound.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
/cc kubernetes/sig-node-pr-reviews
**Release note**:
```release-note
None
```
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scheduler: further cleanup of equivalence cache
**What this PR does / why we need it**:
This improves comments and simplifies some names/logic in equivalence_cache.go, as well as changing the order of some items in the file.
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
/kind cleanup
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Clean up fake mounters.
**What this PR does / why we need it**:
Fixes https://github.com/kubernetes/kubernetes/issues/61502
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
list of fake mounters:
- (keep) pkg/util/mount.FakeMounter
- (removed) pkg/kubelet/cm.fakeMountInterface:
- (inherit from mount.FakeMounter) pkg/util/mount.fakeMounter
- (inherit from mount.FakeMounter) pkg/util/removeall.fakeMounter
- (removed) pkg/volume/host_path.fakeFileTypeChecker
**Release note**:
```release-note
NONE
```
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Remove unused parameter (pod) in `pkg/scheduler/core/generic_scheduler`
**What this PR does / why we need it**:
Remove unused parameter (pod) in `pkg/scheduler/core/generic_scheduler`
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Fix kubectl drain --timeout option when eviction is used
**What this PR does / why we need it**:
Timeout option of kubectl drain command is currently broken when using eviction to delete pods.
A new timer is made on each for loop iteration which means it gets reset each time a pod is evicted.
**Release note**:
```release-note
Fix kubectl drain --timeout option when eviction is used.
```
@kubernetes/sig-cli-pr-reviews
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use subtest for table units (pkg-scheduler-algorithm-priorities-util)
**What this PR does / why we need it**: Update scheduler's unit table tests to use subtest
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
**Special notes for your reviewer**:
breaks up PR: https://github.com/kubernetes/kubernetes/pull/63281
/ref #63267
**Release note**:
```release-note
This PR will leverage subtests on the existing table tests for the scheduler units.
Some refactoring of error/status messages and functions to align with new approach.
```
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add msg when getting toomanyrequest error from evict pod
**What this PR does / why we need it**:
When Pod Disruption Budget prevents eviction of pods, the error msg is not exposed to the user
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
Fixes https://github.com/kubernetes/kops/issues/5066
**Special notes for your reviewer**:
Multiple people reported hung cluster update due to this issue, its confusing for them as the error msg is not exposed.
**Release note**:
```release-note
NONE
```
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TODO has already been implemented
**What this PR does / why we need it**:
TODO has already been implemented, remove the TODO tag.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
```NONE
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add @andrewsykim as pkg/cloudprovider approver
**What this PR does / why we need it**:
adds myself as an approver for pkg/cloudprovider
```release-note
NONE
```
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add islinwb to pkg/util/ipset reviewers list
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Move out azure_loadbalancer.md to cloud provider repository
**What this PR does / why we need it**:
Move out doc to cloud provider repository.
The file 'azure_loadbalancer.md' has been moved to cloud provider repository in https://github.com/kubernetes/cloud-provider-azure/pull/23 , this PR is to remove it from upstream.
**Which issue(s) this PR fixes**
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
cc @feiskyer
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update rbd and cephfs volume owners
**What this PR does / why we need it**:
Update rbd and cephfs volume owners
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
/sig storage
/assign @jsafrane
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Volunteer to maintain nodelifecycle
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
/cc @gmarek @bowei :)
**Release note**:
```release-note
None
```
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
update ipvs readme file
**What this PR does / why we need it**:
Since some iptables rules that ipvs proxier installed have changed, we need update ipvs readme file.
**Special notes for your reviewer**:
1. fix some error, like nodePort realization.
2. Update iptables rules.
3. Add externalIP
4. Add ipset sets introduction
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Create nsenter OWNERS
- I (and Red Hat) runs parts of its deployments with containerized kubelet, so I am committed to have nsenter working long term. I reviewed most (if not all) PRs in pkg/util/nsenter.
I don't like single person in OWNERS (due to holidays, time zones, ...), so:
- @msau42 has worked on or reviewed latest nsenter patches for pkg/util/mount
- @cofyc has contributed several patches in nsenter area in pkg/util/mount, pkg/util/nsenter and hack/local-up-cluster.sh.
```release-note
NONE
```
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Do not need to set SupportIPVSProxyMode after 1.10.
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
`SupportIPVSProxyMode` is `true` by default since 1.10, there is no need to set it explicitly any more.
/area ipvs
/cc @m1093782566
