Automatic merge from submit-queue (batch tested with PRs 64122, 64936, 65288, 65383). 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>.
fix integer divide by zero panic
**What this PR does / why we need it**:
/kind bug
fix integer divide by zero panic when time.Since(start) < 1s
**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#64935
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Remove unneeded sleep from test.
The race condition that required this sleep was fixed in google/cadvisor#1969.
That was vendored in #65334.
```release-note
NONE
```
/assign @jiayingz @vishh
Automatic merge from submit-queue (batch tested with PRs 65339, 65343, 65324, 65335, 65367). 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>.
Introduce scheduler CPU/Memory profile-gathering in density test
This should help us get more reliable/realistic data for scheduler (from our real-cluster scalability tests).
/cc @wojtek-t
fyi - @davidopp @bsalamat @misterikkit
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 65290, 65326, 65289, 65334, 64860). 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 a GPUClusterDowngrade test.
**What this PR does / why we need it**:
We actually need a separate GPUClusterDowngrade test to run gpu downgrade tests defined in e.g.,
https://k8s-testgrid.appspot.com/wg-resource-management#gce-1.11-1.10-gpu-master-downgrade
**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
```
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Fix scheduler reset metrics bug in testinfra
/cc @krzysied
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 65064, 65218, 65260, 65241, 64372). 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>.
Have the /rootfs rw for containerized node e2e
**What this PR does / why we need it**:
The ``[sig-storage] HostPath [It] should support subPath [NodeConformance]`` test needs it otherwise the kubelet complains with:
```
Jun 19 20:05:27 ip-172-18-11-17.ec2.internal docker[26836]: E0619 20:05:27.495132 26860 kubelet_pods.go:198] failed to create subPath directory for volumeMount "test-volume" of container "test-container-1": cannot create directory /rootfs/tmp/sub-path: read-only file system
```
**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**: The tests are run inside RH infrastructure so no CI tests are needed to run
**Release note**:
```release-note
None
```
Automatic merge from submit-queue (batch tested with PRs 65064, 65218, 65260, 65241, 64372). 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>.
Added attach/mount/check steps to CSI Driver E2E tests
This PR makes the CSI Volume E2E tests actually go through the entire dynamic provisioning pipeline and test attach/mount/check file etc.
Fixes#64927
```release-note
None
```
Automatic merge from submit-queue (batch tested with PRs 65187, 65206, 65223, 64752, 65238). 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>.
Fixed detection of inaccessible AWS encryption key.
AWS provisioner now checks if created encrypted volume gets "Available" or it gets silently deleted by AWS because StorageClass referenced invalid (e.g. non-existing) KMS key for encryption.
This seems to be the only way how to detect such invalid key, because Kubernetes may not have enough permission to check if the key exists.
**Which issue(s) this PR fixes**
Fixes#62171
**Special notes for your reviewer**:
**Release note**:
```release-note
AWS now checks for validity of ecryption key when creating encrypted volumes. Dynamic provisioning of encrypted volume may get slower due to these checks.
```
/sig aws
/sig storage
@kubernetes/sig-aws-misc
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Enable dynamic provisioning tests on AWS.
The tests are not slow, they finish on GCE in ~46 seconds and on AWS
in ~103 seconds.
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 65116, 61718, 65140, 65128, 65099). 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>.
Narrow e2e pre-check on scheduler predicates
WaitForAllNodesHealthy actually checks for optional add-ons running on all nodes. The scheduler tests only care about node readiness, so just check for that.
Hit this running scheduler e2e tests downstream on clusters that do not deploy those optional add-ons. The test would just hang and fail unnecessarily
/sig scheduling
```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>.
Split scheduler latency metric to fine-grained steps
This splits the summary metric we recently added into finer steps. It should be very useful for performance experiments.
/cc @wojtek-t
fyi - @bsalamat @misterikkit
Strictly speaking this is a breaking change, but since this metric was added only ~week ago I think it should fine (we should port this change to 1.11).
```release-note
Split 'scheduling_latency_seconds' metric into finer steps (predicate, priority, premption)
```
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Add e2e regression tests for the kubelet being secure
**What this PR does / why we need it**:
This PR does,
1. The kubelet cAdvisor port (4194) can't be reached, neither via the API server proxy nor directly on the public IP address
2. The kubelet read-only port (10255) can't be reached, neither via the API server proxy nor directly on the public IP address
3. The kubelet can delegate ServiceAccount tokens to the API server
4. The kubelet's main port (10250) has both authentication (should fail with no credentials) and authorization (should fail with insufficient permissions) set-up
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixeskubernetes/kubeadm#838
**Special notes for your reviewer**:
/cc luxas tallclair
**Release note**:
```release-note
Add e2e regression tests for the kubelet being secure
```
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Better log line in e2e
**What this PR does / why we need it**:
Very minor improvement to logs in e2e tests when creating a namespace.
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 65256, 64236, 64919, 64879, 57932). 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 cluster autoscaler w/NAP test involving GPUs
This is very trivial e2e tests verifying interoperability of Cluster Autoscaler with Node Auto Provisioning and GPUs.
More specific tests to come.
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 64882, 64692, 64389, 60626, 64840). 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>.
[e2e service] Make LB cleanup non-GCE specific
**What this PR does / why we need it**:
From https://github.com/kubernetes/kubernetes/pull/63489#issuecomment-394993272, using `CleanupServiceGCEResources()` in service e2e test broke non-GCE providers. Changed to use `CleanupServiceResources()` instead.
**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 #NONE
**Special notes for your reviewer**:
/assign @karataliu @krzysied
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 64416, 63625, 60967, 64767, 64588). 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 Feature:Volume from tests
These tests don't depend on any alpha/beta feature and they have correct `SkipUnlessProviderIs` tests so they run only on proper cloud.
/kind feature
/sig storage
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 65032, 63471, 64104, 64672, 64427). 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>.
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
```
Automatic merge from submit-queue (batch tested with PRs 64252, 64307, 64163, 64378, 64179). 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 reliable wait for volume server startup.
Remove sleep(20) and check for readiness of volume servers by checking logs.
**Special notes for your reviewer**:
I prefer checking logs over readiness probe, as it's not easy to probe for Ceph/iSCSI/NFS/Gluster server readiness.
```release-note
NONE
```
@jeffvance @copejon @rootfs @msau42, PTAL
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>.
Adding summary metric for scheduling latency
**What this PR does / why we need it**:
Re-introduces histogram metrics for the backward compatibility.
Changes SchedulingLatency metric to satisfy prometheus best practice.
ref #64316
**Release note**:
```release-note
NONE
```
