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Refactor eviction tests
fixes: #52203
We have a bunch of eviction tests, which each break independently, and take a large amount of time to fix.
This refactors these tests to share the core eviction testing logic. Each tests needs only to set kubelet flags, and specify which pods to run.
I decided to omit the memory eviction tests because they work. Best not to disturb them.
A large portion of the code changes are the renaming of inode_eviction_test.go -> eviction_test.go
This should probably wait until after https://github.com/kubernetes/kubernetes/pull/50392
/assign @mtaufen @Random-Liu
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Enable autoscaling test of scale down to 0 in GKE
This change will cause "Should be able to scale a node group down to 0[Feature:ClusterSizeAutoscalingScaleDown]" test scenario to run in GKE jobs. It affects only cluster size autoscaling test suite.
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Fix oversized comment line, lint error
**What this PR does / why we need it**: fix style error blocking build
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*:
**Special notes for your reviewer**:
**Release note**:
```NONE
```
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Refactor parsing cluster autoscaler status, add logging error
Minor improvements to autoscaling test suite and e2e framework.
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Update gophercloud to Handle New Identity Endpoints
Currently openstack cloud provider just support keystone v2.0 and v3
The latest Identity Service is publishing an ID of v3.8, we should
update gophercloud to recognize v3.8 as a valid version id.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#52830
**Release note**:
```release-note
NONE
```
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Only register floatingIP for external loadbalancer service
If the user has provided the floating-ip options, then it's safe
to assume they want (only) the floating-ip to be the ingress IP;
if they have not provided floating-ip options, then the LB IP is
the only relevant value.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
Fix#52566
**Release note**:
```release-note
Only register floatingIP into Loadbalancer ingress field for external loadbalancer service
```
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Fix missing floatingip when calling GetLoadBalancer()
If user specify floating-network-id, a floatingip and a vip will
be assigned to LoadBalancer service, So its status contains a
floatingip and a vip, but GetLoadBalancer() only return vip.
**Release note**:
```release-note
GetLoadBalancer() only return floatingip when user specify floating-network-id, or return LB vip.
```
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Add default value for RouteReconciliationPeriod in cloud controller manager
**What this PR does / why we need it**:
Add default sync period value config for RouteReconciliationPeriod. For now the default value is 0, which means zero cooldown time.
The value is taken from kube-controller-manager:
b2b079b95a/cmd/kube-controller-manager/app/options/options.go (L73)
**Which issue this PR fixes**
**Special notes for your reviewer**:
**Release note**:
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fix error of func TestValidateStatefulSet that updateStrategy
**What this PR does / why we need it**:
spec.updateStrategy.rollingUpdate.partition,but spec.updateStrategy.rollingUpate need "d"
**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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Fix GCE LB resource cleanup for service e2e tests.
**What this PR does / why we need it**: Fix GCE LB resource cleanup logic.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#52347
**Special notes for your reviewer**:
/assign @shyamjvs @nicksardo
**Release note**:
```release-note
NONE
```
Currently openstack cloud provider just support keystone v2.0 and v3
The latest Identity Service is publishing an ID of v3.8, we should
update gophercloud to recognize v3.8 as a valid version id.
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dockershim: fine-tune network-ready handling on sandbox teardown and removal
If sandbox teardown results in an error, GC will periodically attempt
to again remove the sandbox. Until the sandbox is removed, pod
sandbox status calls will attempt to enter the pod's namespace and
retrieve the pod IP, but the first teardown attempt may have already
removed the network namespace, resulting in a pointless log error
message that the network namespace doesn't exist, or that nsenter
can't find eth0.
The network-ready mechanism originally attempted to suppress those
messages by ensuring that pod sandbox status skipped network checks
when networking was already torn down, but unfortunately the ready
value was cleared too early.
Also, don't tear down the pod network multiple times if the first
time we tore it down, it succeeded.
**What this PR does / why we need it**:
**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
```
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Add cos as an alias for gci in the upgrade script
This was causing some issues when upgrading from a GCI image. This is the same conversion happening in config-defaults.sh.
https://k8s-gubernator.appspot.com/build/kubernetes-jenkins/logs/ci-kubernetes-e2e-gce-stable2-stable1-upgrade-cluster-new/205
The node image was being left at COS, and when we went to build the kube-env, we only check against "gci". This caused us to not fully construct the environment for nodes and then they couldn't fully come up after an upgrade.
I've already fixed the CI test suites to explicitly specify "gci", but this auto-detection logic should be fixed too.
Fixes: #52930
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Don't need to check useAnnotation in dns e2e test
**What this PR does / why we need it**:
hostname/subdomain annotations were removed in #44137. This PR removes the check.
Also, `var dnsServiceLabelSelector` is not used anymore.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
ref: https://github.com/kubernetes/kubernetes/pull/44137
**Special notes for your reviewer**:
/cc @bowei @MrHohn
**Release note**:
```release-note
NONE
```
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Adjust the validating messages
Signed-off-by: yuexiao-wang <wang.yuexiao@zte.com.cn>
**What this PR does / why we need it**:
1. Adjust the validating messages for user understanding
2. Add error messages for easliy testing.
3. Optimize the code for switch case.
**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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Remove cloud provider rackspace
**What this PR does / why we need it**:
For now, we have to implement functions in both `rackspace` and `openstack` packages if we want to add function for cinder, for example [resize for cinder](https://github.com/kubernetes/kubernetes/pull/51498). Since openstack has implemented all the functions rackspace has, and rackspace is considered deprecated for a long time, [rackspace deprecated](https://github.com/rackspace/gophercloud/issues/592) ,
after talking with @mikedanese and @jamiehannaford offline , i sent this PR to remove `rackspace` in favor of `openstack`
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#52854
**Special notes for your reviewer**:
**Release note**:
```release-note
The Rackspace cloud provider has been removed after a long deprecation period. It was deprecated because it duplicates a lot of the OpenStack logic and can no longer be maintained. Please use the OpenStack cloud provider instead.
```
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Allow dns e2e test case for ExternalName to run on aws
**What this PR does / why we need it**:
#52840 uses allocated clusterIP instead of hard-coded one. So we don't need to care about the clusterIP range of the CI job config. Let it run on pull-kubernetes-e2e-kops-aws
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#47224
**Special notes for your reviewer**:
ref: https://github.com/kubernetes/test-infra/pull/4462
/cc @bowei @MrHohn @justinsb
**Release note**:
```release-note
NONE
```
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bazel: build/test almost everything
**What this PR does / why we need it**: Miscellaneous cleanups and bug fixes. The main motivating idea here was to make `bazel build //...` and `bazel test //...` mostly work. (There's a few reasons these still don't work, but we're a lot closer.)
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
/assign @BenTheElder @mikedanese @spxtr
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Allow updating objects with empty pending initializers list
**What this PR does / why we need it**: When updating an object, an empty pending list should be treated as a nil initializer. This PR fixes a bug which prevented this functionality and also adds a test which will ensure this functionality is preserved.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#52202
**Special notes for your reviewer**:
/cc @caesarxuchao
**Release note**:
```release-note
Fixes an initializer bug where update requests which had an empty pending initializers list were erroneously rejected.
```
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default service resolver for webhook admission
**What this PR does / why we need it**:
provides a default service resolver for webhook plugin. The rationale behind is that webhook plugins names can be resolved by a dns server working inside a cluster.
**Release note**:
```
NONE
```
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Minor fix: make sure that glusterfsPlugin implements interface ExpandableVolumePlugin
Attempting an assignment to make sure that `glusterfsPlugin` implements interface `ExpandableVolumePlugin`, just as we did for `DeletableVolumePlugin`, `PersistentVolumePlugin`
**What this PR does / why we need it**:
**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
```
/assign @gnufied
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generic_scheduler.go: Fix link in comment
**What this PR does / why we need it**:
Fix a link in generic_scheduler.go which is outdated
**Release note**:
```release-note
NONE
```
Signed-off-by: Ce Gao <ce.gao@outlook.com>
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Add test file
**What this PR does / why we need it**:
No test file for testutil.go
**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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Fix IPVS service Flags
**What this PR does / why we need it**:
**Which issue this PR fixes**:
fixes#52393
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Fixing E2E Test - After restarting kubelet test expects node's status to be NotReady
**What this PR does / why we need it**:
This PR is fixing the e2e tests involves restarting the kubelets. After the kubelet is restarted, test expect the desired state to be NotReady.
After restarting the kubelet we should wait for some time and then check nodes status to be Ready.
Node should not be checked for NotReady state, after restarting kubelet.
**Which issue this PR fixes**
fixes # https://github.com/vmware/kubernetes/issues/285
**Special notes for your reviewer**:
@BaluDontu @rohitjogvmw @tusharnt
Test logs before fix
-----
STEP: Restarting kubelet
Sep 15 11:26:32.768: INFO: Attempting sudo systemctl restart kubelet
Sep 15 11:26:33.001: INFO: ssh root@10.162.22.205:22: command: sudo systemctl restart kubelet
Sep 15 11:26:33.001: INFO: ssh root@10.162.22.205:22: stdout: ""
Sep 15 11:26:33.001: INFO: ssh root@10.162.22.205:22: stderr: ""
Sep 15 11:26:33.001: INFO: ssh root@10.162.22.205:22: exit code: 0
Sep 15 11:26:33.002: INFO: Waiting up to 1m0s for node kubernetes-node2 condition Ready to be false
Sep 15 11:26:33.012: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:26:35.023: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:26:37.032: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:26:39.041: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:26:41.051: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:26:43.061: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:26:45.070: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:26:47.080: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:26:49.093: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:26:51.105: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:26:53.117: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:26:55.128: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:26:57.140: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:26:59.151: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:27:01.158: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:27:03.167: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:27:05.180: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:27:07.188: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:27:09.210: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:27:11.221: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:27:13.231: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:27:15.240: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:27:17.249: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:27:19.263: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:27:21.272: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:27:23.283: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:27:25.309: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:27:27.317: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:27:29.327: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:27:31.342: INFO: Condition Ready of node kubernetes-node2 is true instead of false. Reason: KubeletReady, message: kubelet is posting ready status
Sep 15 11:27:33.343: INFO: Node kubernetes-node2 didn't reach desired Ready condition status (false) within 1m0s
Sep 15 11:27:33.343: INFO: Node kubernetes-node2 failed to enter NotReady state
[AfterEach] [sig-storage] PersistentVolumes:vsphere
Test logs after fix
-----
STEP: Restarting kubelet
Sep 18 15:40:49.066: INFO: Checking if sudo command is present
Sep 18 15:40:49.342: INFO: Checking if systemctl command is present
Sep 18 15:40:49.573: INFO: Attempting `sudo systemctl status kubelet | grep 'Main PID'`
Sep 18 15:40:49.733: INFO: ssh root@10.162.16.97:22: command: sudo systemctl status kubelet | grep 'Main PID'
Sep 18 15:40:49.733: INFO: ssh root@10.162.16.97:22: stdout: " Main PID: 19715 (docker)\n"
Sep 18 15:40:49.733: INFO: ssh root@10.162.16.97:22: stderr: ""
Sep 18 15:40:49.733: INFO: ssh root@10.162.16.97:22: exit code: 0
Sep 18 15:40:49.733: INFO: Attempting `sudo systemctl restart kubelet`
Sep 18 15:40:49.986: INFO: ssh root@10.162.16.97:22: command: sudo systemctl restart kubelet
Sep 18 15:40:49.986: INFO: ssh root@10.162.16.97:22: stdout: ""
Sep 18 15:40:49.986: INFO: ssh root@10.162.16.97:22: stderr: ""
Sep 18 15:40:49.986: INFO: ssh root@10.162.16.97:22: exit code: 0
Sep 18 15:40:49.988: INFO: Attempting `sudo systemctl status kubelet | grep 'Main PID'`
Sep 18 15:40:50.158: INFO: ssh root@10.162.16.97:22: command: sudo systemctl status kubelet | grep 'Main PID'
Sep 18 15:40:50.158: INFO: ssh root@10.162.16.97:22: stdout: " Main PID: 25021 (docker)\n"
Sep 18 15:40:50.158: INFO: ssh root@10.162.16.97:22: stderr: ""
Sep 18 15:40:50.158: INFO: ssh root@10.162.16.97:22: exit code: 0
Sep 18 15:40:50.158: INFO: Noticed that kubelet PID is changed. Waiting for 30 Seconds for Kubelet to come back
Sep 18 15:41:20.159: INFO: Waiting up to 1m0s for node kubernetes-node4 condition Ready to be true
STEP: Testing that written file is accessible.
Sep 18 15:41:20.191: INFO: Running '/Users/divyenp/github/vmware/kubernetes/_output/dockerized/bin/darwin/amd64/kubectl --server=https://10.162.0.45 --kubeconfig=/Users/divyenp/.kube/config exec --namespace=e2e-tests-pv-9j8j0 pvc-tester-3t9ds -- /bin/sh -c cat /mnt/_SUCCESS'
Sep 18 15:41:20.855: INFO: stderr: ""
Sep 18 15:41:20.855: INFO:
Sep 18 15:41:20.855: INFO: Volume mount detected on pod pvc-tester-3t9ds and written file /mnt/_SUCCESS is readable post-restart.
**Release note**:
```release-note
NONE
```
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add feature: azurefile mount on windows node
**What this PR does / why we need it**:
feature: azurefile mount on windows node. I created this new PR, close the original one(https://github.com/kubernetes/kubernetes/pull/50233) as there is a big rebase change.
Currently only SMB(a nfs protocol) is supported for windows container in the new Windows 2016 RS3 image, and windows container in RS3 could only use New-SmbGlobalMapping cmdlet for volume mapping, "net use" command does not work for windows container.
**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**:
As there is a known blocking issue in Windows 2016 server when mounting a SMB(a NFS protocol in Windows) share on a container host and then bind that share to a container ( Azure file on Windows is using SMB protocol), this PR still could not mount an azure file on current windows 2016 server node, it depends on 2016 RS3 release, and it will still succeed (as a workaround) if customer want to mount an azure file on current windows node.
Main code logic is similar to what it does in Linux node:
1. create target directory in Windows host
2. Use New-SmbGlobalMapping powershell cmdlet to mount SMB azure file to a drive in Windows host
3. Use mklink command to link target directory to the mounted drive
K8s would bind target directory to the container directory
source in mount function would be like:
`\\[accountname].file.core.windows.net\test`
target in mount function would be like:
`c:\var\lib\kubelet\pods\5f679f75-7ce3-11e7-b718-000d3a31dac4\volumes\kubernetes.io~azure-file`
sample azure file config file:
```
apiVersion: v1
kind: Pod
metadata:
name: iis
spec:
containers:
- image: microsoft/iis
name: iis
volumeMounts:
- name: azure
mountPath: "d:"
nodeSelector:
beta.kubernetes.io/os: windows
volumes:
- name: azure
azureFile:
secretName: azure-secret
shareName: k8stest
readOnly: false
```
**Release note**:
```release-note
```
Automatic merge from submit-queue (batch tested with PRs 50068, 52406, 52394, 48551, 52131). 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>..
Implement bulk polling of volumes for vSphere
This PR implements bulk polling of volumes - BulkVerifyVolumes() API for vSphere.
With the existing implementation, vSphere makes multiple calls to VC to check if the volume is attached to a node. If there are "N" volumes attached on "M" nodes, vSphere makes "N" VCenter calls to check if the volumes are attached to VC for all "N" volumes. Also, by default Kubernetes queries if the volumes are attached to nodes every 1 minute. This will substantially increase the number of calls made by vSphere cloud provider to vCenter.
Inorder to prevent this, vSphere cloud provider implements the BulkVerifyVolumes() API in which only a single call is made to vCenter to check if all the volumes are attached to the respective nodes. Irrespective of the number of volumes attached to nodes, the number of vCenter calls will always be 1 on a query to BulkVerifyVolumes() API by kubernetes.
@rohitjogvmw @divyenpatel @luomiao
```release-note
BulkVerifyVolumes() implementation for vSphere
```
Automatic merge from submit-queue (batch tested with PRs 50068, 52406, 52394, 48551, 52131). 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>..
Add IPv6 support to iptables proxier
Add IPv6 support to iptables proxier
The following changes are proposed for the iptables proxier:
- There are three places where a string specifying IP:port is parsed
using something like this:
if index := strings.Index(e.endpoint, ":"); index != -1 {
This will fail for IPv6 since V6 addresses contain colons. Also,
the V6 address is expected to be surrounded by square brackets
(i.e. [<ipv6-addr>]:<port>). Fix this by replacing call to Index with
call to LastIndex() and stripping out square brackets.
- The String() method for the localPort struct should put square brackets
around IPv6 addresses.
- The logging in the merge() method for proxyServiceMap should put brackets
around IPv6 addresses.
- There are several places where filterRules destination is hardcoded to
<clusterIP>/32. This should be a /128 for IPv6 case.
- Add IPv6 unit test cases
Note: I've left out most of the UT test cases that I had included in my original version of this
PR because the number of lines of code change were much too large for a single review.
I'm including a minimum of UT with this current version of the PR.
fixes#48550
**What this PR does / why we need it**:
This PR addresses several issues in the iptables proxier for handling IPv6 addresses
that were found via visual code inspection, including:
- There are three places where a string specifying IP:port using something like the following:
if index := strings.Index(e.endpoint, ":"); index != -1 {
This will fail for IPv6 since V6 addresses contains many colons, and the V6 address is expected
to be enclosed in square brackets when followed by :<port>.
- The String() method for the localPort struct should put square brackets around IPv6 addresses.
- The logging in the merge() method for proxyServiceMap should put brackets around IPv6
addresses.
- There are several places where filterRules destination is hardcoded to /32.
Should be a /128 for IPv6 case.
- More IPv6 unit test cases are needed.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#48550
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 50068, 52406, 52394, 48551, 52131). 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>..
add FlagPersistent flag in nodePort and other situation
**What this PR does / why we need it**:
For AffinityClientIP service, origin code in ipvs didn't add Persistent flag, which is a bug, so I added it.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#52626
**Special notes for your reviewer**:
add FlagPersistent flag in nodePort and other situation
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 50068, 52406, 52394, 48551, 52131). 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>..
remove unless healthz.DefaultHealthz() in controller-manager
**What this PR does / why we need it**:
remove unless healthz.DefaultHealthz() in controller-manager
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#52405
**Special notes for your reviewer**:
**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>..
Add UT for pkg/kubectl/autoscale_test.go
**What this PR does / why we need it**:
I find there is no UT for testing pkg/kubectl `HorizontalPodAutoscalerV1.generate(params)`. This PR add some UTs in pkg/kubectl/autoscale_test.go
**Which issue this PR fixes** : fixes#50810
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
/sig cli
Automatic merge from submit-queue (batch tested with PRs 51902, 52718, 52687, 52137, 52697). 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>..
Multi-arch allowPrivilegeEscalation tests
**What this PR does / why we need it**:
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#52698
**Special notes for your reviewer**:
**Release note**:
```NONE
```
Automatic merge from submit-queue (batch tested with PRs 51902, 52718, 52687, 52137, 52697). 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>..
Refactoring and improvements for iSCSI and FC storage plugins
**What this PR does / why we need it**:
This PR makes following changes.
- Simplify volume tearDown path for iSCSI and FC using
util.UnmountPath().
- Log lastErr during iscsi connection
If iscsid fails to connect second portal, currently
the error is ignored silently. The lastErr should be
logged to find the root cause of problem.
- Remove iscsi plugin directory after iscsi connection
is successfully closed.
**Which issue this PR fixes** : No related issues.
**Special notes for your reviewer**:
/cc @rootfs @jsafrane
**Release note**:
```
NONE
```
Automatic merge from submit-queue (batch tested with PRs 51902, 52718, 52687, 52137, 52697). 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>..
stop the Timer
**What this PR does / why we need it**:
Ticker stop twice, and does not stop Timer.
Kubernetes Submit Queue