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fix cadvisor.New signature for cross build
**What this PR does / why we need it**: fixes the `pkg/kubelet/cadvisor.New` signature on non-linux platforms to match the new one on linux. This should fix the cross build
**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#56002
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
/sig release
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seccomp is an alpha feature and not feature gated
Move SeccompProfileRoot to KubeletFlags and document flag as alpha.
wrt https://github.com/kubernetes/kubernetes/pull/53833#issuecomment-345396575, seccomp is an alpha feature, but this isn't clearly documented anywhere (the annotation just has the word "alpha" in it, and that's your signal that it's alpha).
Since seccomp was around before feature gates, it doesn't have one.
Thus SeccompProfileRoot should not be part of KubeletConfiguration, and this PR moves it to KubeletFlags, and amends the help text to note the alpha state of the feature.
fixes: #56087
```release-note
NONE
```
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deviceplugin: fix race when multiple plugins are registered
**What this PR does / why we need it**:
When registering multiple device plugins to Kubelet concurrently, there exists a race that crashes the Kubelet.
Consider two plugins: D1 and D2. The call order method is roughly
D1 -> manager.go:register -> endpoint.go:listAndWatch -> device_plugin_handler.go:(*D1).callback
D2 -> manager.go:register -> endpoint.go:listAndWatch -> device_plugin_handler.go:(*D2).callback
The callback function accesses HandlerImpl's allDevices map that maps (resourceName -> DeviceID). If both plugins reach these accesses at the same time, Kubelet crashes with "fatal error: concurrent map read and map write".
This can be solved by making sure handler is locked when allDevices are being updated. The functionality is needed to avoid Kubelet crashes when multiple device plugins are trying to register with Kubelet at the same moment. Occurs frequently when single binary tries to register itself as multiple plugins.
**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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Stop using VersionedObject in resource.Builder, use unstructured
Remove the need for kubectl callers to distinguish between unstructured and versioned / type aware builders. The factory should create a single builder than can be set to return unstructured objects. Callers can then use one of the new helpers on `resource.Info` to convert the objects into the desired form - `Internal()` for printers, `Typed()` for external versions, and `Unstructured()` to ensure the object is in the right state. Leverages the new scheme support for unstructured conversion so that higher level callers can perform best effort conversion (get typed versions if you have them, otherwise use default behavior).
`get.go` demonstrates this by removing the previous logic that depended on the underlying scheme. Other commands are updated to be consistent.
Includes #55650 and #55647.
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Move of unreachable taint key out of alpha
**What this PR does / why we need it**:
Move of unreachable taint key out of alpha, which already happened in community doc.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#54198
**Special notes for your reviewer**:
Please see #54198 for the context of this inconsistency.
**Release note**:
```release-note
Move unreachable taint key out of alpha.
Please note the existing pods with the alpha toleration should be updated by user himself to tolerate the GA taint.
```
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Refactor `reconcileAutoscaler` method in hpa
**What this PR does / why we need it**:
There have been a couple of recent bugs in the "normalizing" part of the
`reconcileAutoscaler` method. This part of the code base is responsible
for, among other things, taking the suggested desired replicas based on
the metrics, ensuring it conforms to certain conditions, and updating it
if it does not. Isolate the part that converts the desired replicas
based on a given set of rules into its own function.
We are refactoring this part of the code base to make the logic simpler
and to make it easier to write unit tests.
**Which issue this PR fixes**:
Fixes#53728
**Release note**:
```release-note
NONE
```
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Allow constructing spdy executor from existing transports
If you already have an existing transport, it is not always possible to reconstruct a client config from it.
Allow constructing a spdy executor, given a connection/upgrade transport
```release-note
NONE
```
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add GRS, RAGRS storage account type support for azure disk
**What this PR does / why we need it**:
add Standard_GRS, Standard_RAGRS storage account type support for azure disk, and Standard_ZRS, Premium_GRS are not supported for azure disk now
**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#55774
**Special notes for your reviewer**:
**Release note**:
```
add Standard_GRS, Standard_RAGRS support for azure disk
```
/sig azure
@rootfs @brendanburns
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include error message for volumeManager during attach and mount
**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#55609
**Special notes for your reviewer**:
/assign @jsafrane @jingxu97
**Release note**:
```release-note
None
```
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admission/webhook: move webhook initializer into plugin
Follow-up of https://github.com/kubernetes/kubernetes/pull/55132.
Non-generic plugin intitializers should go into the admission plugin itself. No need leak that into the generic apiserver. Keeping them contained in the webhook package makes it easier (it was already possible) for extension apiservers to provide one, but we don't need to leak it into the generic plugin initializer.
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Unit tests for Azure service session affinity
**What this PR does / why we need it**: We added session affinity support in the Azure load balancer in commit 8b50b83067. This PR adds unit tests for this behaviour.
**Which issue this PR fixes**: None
**Special notes for your reviewer**: None
**Release note**:
```release-note
NONE
```
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Checking Cinder disk when tickers are delivered
Cinder's WaitForAttach() runs probeAttachedVolume() 2 times per
second(L243 and L247), that triggers SCSI rescan and generates many udev "change"
events.
**Release note**:
```release-note
NONE
```
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Fix representation of the pv's capacity which provisioned by glusterfs
**What this PR does / why we need it**:
This PR fixes representation of the pv's capacity which provisioned by glusterfs.
Gluster's volume size is calculated in GB, and than this value is setted as GiB for pv's storage capacity.
**Which issue(s) this PR fixes**:
Fixes#55937
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Using ipset doing SNAT and packet filter in IPVS kube-proxy
**What this PR does / why we need it**:
Try ipset in ipvs proxy mode.
**Which issue this PR fixes**:
fixes#54203
xref: #53393, #53775
**Special notes for your reviewer**:
**Release note**:
```release-note
Using ipset doing SNAT and packet filtering in IPVS kube-proxy
```
/sig network
/area kube-proxy
Callers must take a dependency on one or the other set of conversions
and default client behavior. Future changes may add a Versioned() type,
but this is an accurate reflection of current code state.
The unified RESTMapper and Typer follow the new rules, but on error will
fallback to the legacy path (while still supporting Unstructured
objects). This allows callers to handle the appropriate distinction
themselves if necessary.
Add a LocalParam() method to the resource.Builder that DRYs up a large
chunk of complicated code in set commands.
Also remove error messages that depended on ObjectKinds() - future
changes will potentially remove this interface and the replacements here
are equivalent.
Delays the error until the first call and then preserves it for others.
More closely matches the intent of the Object() calls. Loaders are now
lazy and don't need to return errors directly.
Sets the stage for collapsing unstructured and structured builders
together.
Reduce all uses of Unstructured to the simpler form, and avoid asking
for mapper or typer unless it is required. Use Typed() for places that
previously used VersionedObject, and remove paths for versioned objects
from code that is now using unstructured.
Demonstrate its use with get.go by removing the need to call decode with
a hardcoded scheme. Add tests to get_test.go to restore proving that
unstructured conversion is possible.
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add test for slice
Signed-off-by: yanxuean <yan.xuean@zte.com.cn>
**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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Add IPv6 and negative UT test cases for proxier's deleteEndpointConnections
This change adds IPv6 and negative UT test cases for the proxier's deleteEndpointConnections.
Changes include:
- Add IPv6 UT test cases to TestDeleteEndpointConnections.
- Add negative UT test case to TestDeleteEndpointConnections for
handling case where no connections need clearing (benign error).
- Add negative UT test case to test unexpected error.
- Reorganize UT in TestDeleteEndpointConnections so that the fake
command executor's command and scripted responses are generated on
the fly based on the test case table (rather than using a fixed
set of commands/responses that will need to be updated every time
test cases are added/deleted).
- Create the proxier service map in real time, based on the test case
table (rather than using a fixed service map that will need to be updated
every time test cases are added/deleted).
fixes#53554
**What this PR does / why we need it**:
This change adds IPv6 and negative UT test cases for the proxier's
deleteEndpointConnections.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#53554
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Refactor iSCSI PV spec to use SecretReference
**What this PR does / why we need it**:
Use SecretReference in iSCSI PV spec
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes https://github.com/kubernetes-incubator/external-storage/issues/321
**Special notes for your reviewer**:
@liggitt
**Release note**:
```release-note
iSCSI Persistent Volume Sources can now reference CHAP Secrets in namespaces other than the namespace of the bound Persistent Volume Claim
```
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Allow resource.Builder to modify requests per client
Gives the builder a hook point to add settings to each request. These
settings are applied before the request is created and so are unable to
view the request. Intended to set controls on a per request basis.
Prereq for server-side `kubectl get`
@enj as requested @kubernetes/sig-cli-api-reviews
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Fixes Issue 55816: Removes unneeded IPPart error
**What this PR does / why we need it**:
Previously proxy was incorrectly logging an error message for the IPPart function. The PR fixes this logging behavior to only log `invalid IP part` for invalid IP:Port combinations.
**Which issue(s) this PR fixes**:
Fixes # https://github.com/kubernetes/kubernetes/issues/55816
**Special notes for your reviewer**:
None
**Release note**:
```
none
```
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Clarify ExternalNames are hostnames
Updates the documentation for ExternalName to clarify
that they adhere RFC-1123 hostname and are not DNS names.
Fixes#52266
**Release note**:
```release-note
```
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remove AddToGroupVersion in kubeproxy scheme
ref https://github.com/kubernetes/kubernetes/pull/53645#discussion_r148850279
Signed-off-by: yanxuean <yan.xuean@zte.com.cn>
**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
```
/assign @ncdc
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Validate usage strings when creating bootstrap tokens via kubeadm
**What this PR does / why we need it**:
fix TODO: Validate usages here so we don't allow something unsupported
**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
NONE
```
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CPU Manager: file state for all policies
**What this PR does / why we need it**:
Before this change, the new file-backed state was only enabled for the static CPU manager policy. This patch enables persistent state for all policies.
This PR fixes#55736 and the potential CPU resource leak described in that issue.
**Release note**:
```release-note
NONE
```
/kind bug
/sig node
/assign @balajismaniam
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Improve kubelet cgroup
**What this PR does / why we need it**:
1.Use arg cgroupRoot,not nodeConfig.CgroupRoot
Using both arg cgroupRoot and nodeConfig.CgroupRoot is confused in function NewQOSContainerManager
2.improve cgroupmanager in qosContainerManager
3. improve arg "cgroupRoot" type in NewQOSContainerManager
**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
```
Automatic merge from submit-queue (batch tested with PRs 55233, 55927, 55903, 54867, 55940). 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>.
move cmd/util/printing.go#PrintSuccess to factory_builder.go
**Release note**:
```release-note
NONE
```
This patch is one in a series of patches that aims to move all
printing functions to the `cmdutil.Factory` in order to make
the factory the one-stop shop for accessing printers in the client.
This PR is related to https://github.com/kubernetes/kubernetes/pull/50113 and aims to break that set of changes
by introducing a portion of them in this commit in order to make
them easier to review.
@fabianofranz @mengqiy @shiywang @seans3
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fix azure disk storage account init issue
**What this PR does / why we need it**:
There are two issues for the original azure disk storage account initialaztion code:
1) wrong controller-master detection, see issue #54570, #55776
2) should not initialize two storage account even if it's not necessary, see issue #50883
This PR would fix the above two issues:
For 1: remove the controller-master process binding
For 2: remove the storage account initialization process, just create on demand
**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#54570Fixes#55776Fixes#50883
**Special notes for your reviewer**:
@rootfs @karataliu
**Release note**:
```
fix azure disk storage account init issue
```
/sig azure
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improve the logic setting cgroupparent in RunPodSandbox
Signed-off-by: yanxuean <yan.xuean@zte.com.cn>
**What this PR does / why we need it**:
The setting of cgroupparent is too confused!
The old logic is:
1. set CgroupParent correctly
2. reset CgroupParent incorrectly
3. set CgroupParent again (refer to #42055 )
The login is too confused, and It is sure that there are many people who drop in trap.
We only need to set it in one place.
kubernetes/pkg/kubelet/dockershim/docker_sandbox.go
```
func (ds *dockerService) makeSandboxDockerConfig(c *runtimeapi.PodSandboxConfig, image string) (*dockertypes.ContainerCreateConfig, error) {
....
// Apply linux-specific options.
if lc := c.GetLinux(); lc != nil {
if err := ds.applySandboxLinuxOptions(hc, lc, createConfig, image, securityOptSep); err != nil {
return nil, err
}
}
// Apply resource options.
setSandboxResources(hc) **<-- reset the CgroupParent incorrectly**
// Apply cgroupsParent derived from the sandbox config.
if lc := c.GetLinux(); lc != nil {
// Apply Cgroup options.
cgroupParent, err := ds.GenerateExpectedCgroupParent(lc.CgroupParent)
if err != nil {
return nil, fmt.Errorf("failed to generate cgroup parent in expected syntax for container %q: %v", c.Metadata.Name, err)
}
hc.CgroupParent = cgroupParent
}
```
**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
NONE
```
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Ensure new tags are created on existing ELBs
**What this PR does / why we need it**:
When editing an existing service of type LoadBalancer in an AWS environment and adding the `service.beta.kubernetes.io/aws-load-balancer-additional-resource-tags` annotation, you would expect the new tags to be set on the load balancer, however this doesn't happen currently. The annotation only takes effect if specified when the service is created.
This PR adds an AddTags method to the ELB interface and uses this to ensure tags set in the annotation are present on the ELB. If the tag key is already present, the value will be updated.
This PR does not remove tags that have been removed from the annotation, it only add/updates tags.
**Which issue(s) this PR fixes**:
Fixes#54642
**Special notes for your reviewer**:
The change requires that the IAM policy of the master instance(s) has the `elasticloadbalancing:AddTags` permission.
**Release note**:
```release-note
Ensure additional resource tags are set/updated AWS load balancers
```
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Show openapi custom columns in `kubectl get`
Change the name of the flag to something slightly more user-friendly,
while making it default true. The flag is kept so that someone can
revert it temporarly if things go wrong.
**What this PR does / why we need it**: OpenAPI can specify for some columns to be used in `kubectl get`. That's very useful for non-core/hard-coded type in order to print more valuable data in get.
**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**:
Closeskubernetes/kubectl#143
**Release note**:
```release-note
`kubectl get` will now use OpenAPI schema extensions by default to select columns for custom types.
```
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Apply taint when a volume is stuck in attaching state
When a volume is stuck in attaching state for too long on a node, it is best to make node unschedulable so as any other pod may not be scheduled on it.
Fixes https://github.com/kubernetes/kubernetes/issues/55502
```release-note
AWS: Apply taint to a node if volumes being attached to it are stuck in attaching state
```
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VolumeMode and VolumeDevice api
**What this PR does / why we need it:**
Adds volumeType api to PV and PVC for local block support based on this proposal (https://github.com/kubernetes/community/pull/805) and this feature issue: https://github.com/kubernetes/features/issues/351
**Special notes for your reviewer:**
There are other PR changes coming, this just simply creates the api fields
#53385 - binding logic changes dependent on this change
**Release note:**
NONE
Notes will be added in subsequents PR with the volume plugin changes, CRI, etc...
cc @msau42 @liggitt @jsafrane @mtanino @saad-ali @erinboyd
