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Change to pkg/util/node.UpdateNodeStatus
**What this PR does / why we need it**:
> // TODO: Change to pkg/util/node.UpdateNodeStatus.
**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**:
/cc @brendandburns @dchen1107 @lavalamp
**Release note**:
```release-note
None
```
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iscsi: set node.startup to manual
If the default iSCSI node.startup is set to automatic, if there is a node failure,
any pods on that node will get rescheduled to another node. If the failed node is
later brought back up it will then try to log back in to any iSCSI sessions it had
prior to the failure, which may no longer exist or may be now in-use by the other
nodes.
It appears most platforms keep the open-iscsi default of node.startup-automatic.
But in case this system-wide setting has been changed, and just to be explicit, this
sets node.startup values for kubernetes controlled volumes to manual.
Fixes#21305
```release-note
iSCSI sessions managed by kubernetes will now explicitly set startup.mode to 'manual' to
prevent automatic login after node failure recovery. This is the default open-iscsi mode, so
this change will only impact users who have changed their startup.mode to be 'automatic'
in /etc/iscsi/iscsid.conf.
```
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no need delete endpoint explicitly in endpoint controller
**What this PR does / why we need it**:
It is no need to do delete in controller. Because in service restStorage, endpoint is deleted when delete service. See https://github.com/kubernetes/kubernetes/blob/master/pkg/registry/core/service/rest.go#L170~L180
**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#57745
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Fixing vSphere Cloud Provider to use "vsphere-cloud-provider" to create ClientBuilder
**What this PR does / why we need it**:
vSphere cloud Provider is not using lower case naming while creating clientBuilder.
With this fix, ClientBuilder is created using lowercase naming.
With mixed upper-lower case name, controller manager is crashing.
**Which issue(s) this PR fixes**
Fixes # https://github.com/kubernetes/kubernetes/issues/57279
**Special notes for your reviewer**:
None
**Release note**:
```release-note
This fixes controller manager crash in certain vSphere cloud provider environment.
```
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Remove useInstanceMetadata param from Azure cloud provider
**What this PR does / why we need it**:
With out-of-tree Azure cloud provider (#50752), metadata won't work any more (kubelet won't call those metadata functions any more).
This PR removes the parameter useInstanceMetadata from Azure cloud provider.
**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#57646.
**Special notes for your reviewer**:
**Release note**:
```release-note
Remove useInstanceMetadata parameter from Azure cloud provider.
```
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new testcase to cgroup_manager_linux.go
a new test case to adaptName(), for testing "cgroupManagerType != libcontainerSystemd"
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Reduce VirtualMachineScaleSetsClient#List calls for Azure cloud provider
**What this PR does / why we need it**:
For master nodes not managed by VMSS, current cloud provider would updateCaches each time when finding master nodes info. This could result in call limits of `VirtualMachineScaleSetsClient#List`.
This PR adds a caches to those nodes which reduces the cache updating significantly.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Continue of #43287.
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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GCE: Use GA API for managing internal addresses
Updates the address manager to use the GA API for retrieving and creating internal addresses.
**Release note**:
```release-note
NONE
```
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Remove redundant sleep from ReRegistration unit test case
/kind cleanup
/sig node
**What this PR does / why we need it**:
Once upon a time, there was a race in the device plugin registration logic. At that time, [list()](5cac9fc984/pkg/kubelet/deviceplugin/manager.go (L206)) and [listAndWatch()](5cac9fc984/pkg/kubelet/deviceplugin/manager.go (L224)) used to be separate functions. Race was there for taking manager.mutex lock from two places. [One, from within the m.addEndpoint()](5cac9fc984/pkg/kubelet/deviceplugin/manager.go (L214)) and the [second, from within m.Devices()](5cac9fc984/pkg/kubelet/deviceplugin/manager.go (L137)). This race was making `TestDevicePluginReRegistration` flaky as explained below.
```
1. p1.Register(socketName, testResourceName)
2. // Wait for the first callback to be issued.
3. <-callbackChan
4. devices := m.Devices()
```
* L#1 leads to eventually **asynchronous** invocation of m.addEndpoint(), let say **thread1**.
* L#3 holds the test case execution till the [callback gets invoked](5cac9fc984/pkg/kubelet/deviceplugin/endpoint.go (L108)). This means test case execution waits on channel till the **thread1** reaches the point where [e.list() call completes in the addEndpoint.](5cac9fc984/pkg/kubelet/deviceplugin/manager.go (L206))
* L#4 triggers a new thread. thread1 and this new thread are both racing for m.mutex.Lock(). Former, in the addEndpoint() and later one in the m.Devices(). If m.Devices wins the race, result is the test case failure because endpoint gets added in the manager only after taking mutex.Lock() in the addEndpoint().
To deal with this flake, we added `Sleep` between L#3 and L#4. `Sleep` was getting some extra time to addEndpoint() and thus making thread1 win the race each time.
Above explained race scenario got fixed and merged sometime back in this PR:
[Deviceplugin refactoring: merge func list and listwatch in endpoint into one](https://github.com/kubernetes/kubernetes/pull/52149)
With the above PR, callback function is invoked from e.run() which makes sure that test case waits on channel till the endpoint is added and devices are updated
Above explained race scenario does not exist now, therefore removing redundant sleeps from the test case.
Tested:
go test -race -count 500 k8s.io/kubernetes/pkg/kubelet/cm/deviceplugin -run TestDevicePluginReRegistration -timeout 5h
Related #52616#56026
**Special notes for your reviewer**:
**Release note**:
```release-note
None
```
/cc @vishh @derekwaynecarr @jiayingz @RenaudWasTaken @lichuqiang @ScorpioCPH @tengqm @mindprince @ConnorDoyle @jeremyeder
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Fix incorrect hairpin-mode value and validate it
**What this PR does / why we need it**:
* Fix incorrect hairpin-mode value
* Add validation
**Which issue(s) this PR fixes**:
Fixes#57609
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Remove kubeadm fuzzer from api testing
**What this PR does / why we need it**:
from @sttts https://github.com/kubernetes/kubernetes/pull/55961#discussion_r151926499
>Please only add fuzzer for apiserver types here, not for configs only used locally. Look for roundtrip_test.go files in the code-base. There are some more which have local fuzzers.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref: https://github.com/kubernetes/kubernetes/pull/55961#discussion_r151926499
**Special notes for your reviewer**:
/cc @kubernetes/sig-cluster-lifecycle-pr-reviews
**Release note**:
```release-note
NONE
```
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Add vikaschoudhary16 as reviewer in pkg/kubelet/cm/deviceplugin
**What this PR does / why we need it**:
Add github user vikaschoudhary16 (me) to the reviewers list for pkg/kubelet/cm/deviceplugin
**Special notes for your reviewer**:
I would like to help with the review load in this package.
```release-note
None
```
/sig node
/cc @vishh @jiayingz @derekwaynecarr @mindprince @RenaudWasTaken @ConnorDoyle
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Revert back #57278
**What this PR does / why we need it**:
This PR reverts back to behavior of scanning Limits.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Related #
#57276#57170
**Special notes for your reviewer**:
**Release note**:
```release-note
None
```
/sig node
/cc @vishh @ConnorDoyle @jiayingz
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Fix a race in the endpoint.go
**What this PR does / why we need it**:
This PR fixes a race in the endpoint.go
Fixes#56026
-->
```release-note
None
```
/sig node
/cc @RenaudWasTaken @ConnorDoyle @jiayingz @mindprince @ScorpioCPH @resouer @tengqm @vishh
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Support multiple scale sets in Azure cloud provider
**What this PR does / why we need it**:
This PR adds multiple scale sets support in Azure cloud provider.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Continue of #43287.
**Special notes for your reviewer**:
- Adds a local cache of basic scale sets information
- Update the cache when new nodes are not found or periodically
- Since azure doesn't support getting the scale set which contains the node, the cache is updated via listing all scale sets and their virtual machines
**Release note**:
```release-note
Support multiple scale sets in Azure cloud provider.
```
/assign @brendandburns @andyzhangx
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GCE: Get automatically created subnetwork if none is specified for auto network
Fixes#57350
**Release note**:
```release-note
GCE: Fixes ILB creation on automatic networks with manually created subnetworks.
```
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add unit test for ValidateStatefulSet
Signed-off-by: yuexiao-wang <wang.yuexiao@zte.com.cn>
**What this PR does / why we need it**:
add unit test for ValidateStatefulSetSpec
**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 Dong Liu as approver and add OWNERS in credentialprovider
**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#57540
**Special notes for your reviewer**:
**Release note**:
```
none
```
/sig azure
/assign @brendandburns
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fix rbd volume ConstructVolumeSpec
**What this PR does / why we need it**:
1. rbd plugin.ConstructVolumeSpec() construct volume spec with fake value, cause kubelet volume manager will create two volumesInUse in node Status.
2. change plugin.GetVolumeName(), create volumeName using rbd pool instead of monitors, because monitors is a group of IPs, which makes the volumeName too long. Also, this is to fit plugin.ConstructVolumeSpec() since makeGlobalPDName only uses rbd pool and image.
```
before fix:
volumesAttached:
- devicePath: ""
name: kubernetes.io/rbd/[xxxxxxx:6789 xxxxxxxxx:6789]:volume-9a106847-4def-4d1e-9603-4c7099b22a31
volumesInUse:
- 'kubernetes.io/rbd/[]:'
- kubernetes.io/rbd/[xxxxxxx:6789 xxxxxxxxx:6789]:volume-9a106847-4def-4d1e-9603-4c7099b22a31
after fix:
volumesAttached:
- devicePath: ""
name: kubernetes.io/rbd/volumes:volume-9a106847-4def-4d1e-9603-4c7099b22a31
volumesInUse:
- kubernetes.io/rbd/volumes:volume-9a106847-4def-4d1e-9603-4c7099b22a31
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Refactor kubelet config controller bootstrap process
This makes the bootstrap feel much more linear and as a result it is easier to read.
Also simplifies status reporting for local config.
Fixes: #57487
```release-note
NONE
```
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cleanup useless functions and variables
**What this PR does / why we need it**:
cleanup useless functions and variables in pkg/client/conditions/conditions.go
**Release note**:
```release-note
```NONE
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Allow use resource ID to specify public IP address in azure_loadbalancer
**What this PR does / why we need it**: Currently the Azure load balancer assumes that a Public IP address is in the same resource group as the cluster. This is not necessarily true in all environments, in addition to accepting a Public IP, we should allow an annotation to the `Service` object that indicates what resource group the IP is present in.
**Which issue this PR fixes**: fixes#53274#52129
**Special notes for your reviewer**: *first time golang user, please forgive the amateurness*
Release note
```release-note
Allow use resource ID to specify public IP address in azure_loadbalancer
```
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Fix a typo and improve some documentation.
Fix a typo and add some better help docs.
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