Automatic merge from submit-queue (batch tested with PRs 59634, 59821, 57850, 59916, 60032). 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>.
AllowVolumeExpansion field to storageclass describe
Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
**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
```
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remove unused function in test file
remove unused function in
pkg/controller/replicaset/replica_set_test.go
**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
```
If plugin is non-attachable, global unmap path isn't stored in asw
then plugin fails to unmap volume. To store the path, this PR moves
MarkDeviceAsMounted operation from the `if volumeAttacher != nil` block.
Fixes#60025
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glusterfs: improve a few comments
**What this PR does / why we need it**:
This PR fixes a couple of comments in the glusterfs module:
* fixes a typo in a comment
* removes an outdated comment that is not correct (any more)
* updates one comment to refer to upstream gluster documentation instead of downstream red hat product documentation
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Taint node when it under PID pressure.
Signed-off-by: Da K. Ma <madaxa@cn.ibm.com>
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
part of #54313
**Release note**:
```release-note
If TaintNodesByCondition enabled, taint node when it under PID pressure
```
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Update bazelbuild/rules_go, kubernetes/repo-infra, and gazelle dependencies
**What this PR does / why we need it**: updates our bazelbuild/rules_go dependency in order to bump everything to go1.9.4. I'm separating this effort into two separate PRs, since updating rules_go requires a large cleanup, removing an attribute from most build rules.
**Release note**:
```release-note
NONE
```
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Monitor the /kubepods cgroup for allocatable metrics
**What this PR does / why we need it**:
The current implementation of allocatable memory evictions sums the usage of pods in order to compute the total usage by user processes.
This PR changes this to instead monitor the `/kubepods` cgroup, which contains all pods, and use this value directly. This is more accurate than summing pod usage, as it is measured at a single point in time.
This also collects metrics from this cgroup on-demand.
This PR is a precursor to memcg notifications on the `/kubepods` cgroup.
This removes the dependency the eviction manager has on the container manager, and adds a dependency for the summary collector on the container manager (to get Cgroup Root)
This also changes the way that the allocatable memory eviction signal and threshold are added to make them in-line with the memory eviction signal to address #53902
**Which issue(s) this PR fixes**:
Fixes#55638Fixes#53902
**Special notes for your reviewer**:
I have tested this, and can confirm that it works when CgroupsPerQos is set to false. In this case, it returns node metrics, as it is monitoring the `/` cgroup, rather than the `/kubepods` cgroup (which doesn't exist).
**Release note**:
```release-note
Expose total usage of pods through the "pods" SystemContainer in the Kubelet Summary API
```
cc @sjenning @derekwaynecarr @vishh @kubernetes/sig-node-pr-reviews
Do not refer to downstream Red Hat documentation
in the upstream kubernetes code, if there is upstream
documentation to refer to.
Signed-off-by: Michael Adam <obnox@redhat.com>
This was originally added due to a misunderstanding
of the documentation of Heketi (using a different
convention). Heketi's documentation has meanwhile
been clarified.
Signed-off-by: Michael Adam <obnox@redhat.com>
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Fixing CSI e2e test
Current e2e test had some inconsistencies which were preventing it from running successfully on the local cluster.
```release-note
Making sure CSI E2E test runs on a local cluster
```
Closes#60016
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GCE: Fix SelfLink of cloudprovider mocks
**What this PR does / why we need it**:
Allows the user to pass in a ProjectRouter to the mocked services
**Special notes for your reviewer**:
/assign bowei
/cc agau4779
**Release note**:
```release-note
NONE
```
According to docker docs, setting MemorySwap equals to Memory can
prevent docker containers from using any swap, instead of setting
MemorySwap to zero.
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CSI 0.2.0 breaking changes
Refactor kubernetes CSI bits to support CSI version 0.2.0
```release-note
Addressing breaking changes introduced by new 0.2.0 release of CSI spec
```
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Reevaluate eviction thresholds after reclaim functions
**What this PR does / why we need it**:
When the node comes under `DiskPressure` due to inodes or disk space, the eviction manager runs garbage collection functions to clean up dead containers and unused images.
Currently, we use the strategy of trying to measure the disk space and inodes freed by garbage collection. However, as #46789 and #56573 point out, there are gaps in the implementation that can cause extra evictions even when they are not required. Furthermore, for nodes which frequently cycle through images, it results in a large number of evictions, as running out of inodes always causes an eviction.
This PR changes this strategy to call the garbage collection functions and ignore the results. Then, it triggers another collection of node-level metrics, and sees if the node is still under DiskPressure.
This way, we can simply observe the decrease in disk or inode usage, rather than trying to measure how much is freed.
**Which issue(s) this PR fixes**:
Fixes#46789Fixes#56573
Related PR #56575
**Special notes for your reviewer**:
This will look cleaner after #57802 removes arguments from [makeSignalObservations](https://github.com/kubernetes/kubernetes/pull/57802/files#diff-9e5246d8c78d50ce4ba440f98663f3e9R719).
**Release note**:
```release-note
NONE
```
/sig node
/kind bug
/priority important-soon
cc @kubernetes/sig-node-pr-reviews
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Log the command line flags
**What this PR does / why we need it**:
With d7ddcca231, we lost the logging
of the flags. We should at least log what the command line flags
were used to start processes as those incredibly useful for trouble shooting.
**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**:
/assign @deads2k
/assign @liggitt
**Release note**:
```release-note
NONE
```
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Improve comments for kubelet
**What this PR does / why we need it**:
Improve comments and fix typos for kubelet.
**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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Collect ephemeral storage capacity on initialization
**What this PR does / why we need it**:
We have had some node e2e flakes where a pod can be rejected if it requests ephemeral storage. This is because we don't set capacity and allocatable for ephemeral storage on initialization.
This PR causes cAdvisor to do one round of stats collection during initialization, which will allow it to get the disk capacity when it first sets the node status.
It also sets the node to NotReady if capacities have not been initialized yet.
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
/assign @jingxu97 @Random-Liu
/sig node
/kind bug
/priority important-soon
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Updated PID pressure node condition.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
part of #54313
**Release note**:
```release-note
Updated PID pressure node condition
```
