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Move scheduler out of plugin directory
**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)*:
This is but one step toward resolving the referenced issue.
/ref #57579
**Special notes for your reviewer**:
**Release note**:
```release-note
Default scheduler code is moved out of the plugin directory.
plugin/pkg/scheduler -> pkg/scheduler
plugin/cmd/kube-scheduler -> cmd/kube-scheduler
```
/sig scheduling
This moves plugin/pkg/scheduler to pkg/scheduler and
plugin/cmd/kube-scheduler to cmd/kube-scheduler.
Bulk of the work was done with gomvpkg, except for kube-scheduler main
package.
Automatic merge from submit-queue (batch tested with PRs 57900, 57888). 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>.
Re-add nodecontroller OWNERS file
Re-add OWNERS file that got moved to nodeipam directory.
cc @cheftako
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optimize volumeResizeMap lock
**What this PR does / why we need it**:
volumeResizeMap implements VolumeResizeMap interface, but has several useless lock section and one too large critical section.
**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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Split the NodeController into lifecycle and ipam pieces.
**What this PR does / why we need it**: Separates node controller into ipam and lifecycle components.
Prepatory work for removing cloud provider dependency from node
controller running in Kube Controller Manager. Splitting the node
controller into its two major pieces life-cycle and CIDR/IP
management. Both pieces currently need the the cloud system to do their work.
Removing lifecycles dependency on cloud will be fixed ina followup PR.
Moved node scheduler code to live with node lifecycle controller.
Got the IPAM/Lifecycle split completed. Still need to rename pieces.
Made changes to the utils and tests so they would be in the appropriate
package.
Moved the node based ipam code to nodeipam.
Made the relevant tests pass.
Moved common node controller util code to nodeutil.
Removed unneeded pod informer sync from node ipam controller.
**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 #https://github.com/kubernetes/kubernetes/issues/52369
**Special notes for your reviewer**:
**Release note**:
```release-note
None
```
Automatic merge from submit-queue (batch tested with PRs 57810, 57752). 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>.
Clarify error messages in HPA metrics
**What this PR does / why we need it**:
With the introduction of the RESTMetrics client, there are two ways to
fetch metrics for auto-scaling. However, they previously shared error
messages. This could be misleading. Make the error message more clearly
show which method is in use.
**Special notes for your reviewer**:
@DirectXMan12 re conversation in #56827
**Release note**:
```release-note
NONE
```
Prepatory work fpr removing cloud provider dependency from node
controller running in Kube Controller Manager. Splitting the node
controller into its two major pieces life-cycle and CIDR/IP
management. Both pieces currently need the the cloud system to do their work.
Removing lifecycles dependency on cloud will be fixed ina followup PR.
Moved node scheduler code to live with node lifecycle controller.
Got the IPAM/Lifecycle split completed. Still need to rename pieces.
Made changes to the utils and tests so they would be in the appropriate
package.
Moved the node based ipam code to nodeipam.
Made the relevant tests pass.
Moved common node controller util code to nodeutil.
Removed unneeded pod informer sync from node ipam controller.
Fixed linter issues.
Factored in feedback from @gmarek.
Factored in feedback from @mtaufen.
Undoing unneeded change.
With the introduction of the RESTMetrics client, there are two ways to
fetch metrics for auto-scaling. However, they previously shared error
messages. This could be misleading. Make the error message more clearly
show which method is in use.
Automatic merge from submit-queue (batch tested with PRs 49856, 56257, 57027, 57695, 57432). 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>.
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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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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add watch to requirements for quota-able resources
Since we use informers, if you can't be watched, you can't be quota'ed.
Seperate loop and plugin control in the kube-controller-manager.
Adding an "--external-plugin" flag to specify a plugin to load when
cloud-provider is set to "external". Flag has no effect currently
when the cloud-provider is not set to external. The expectation is
that the cloud provider and external plugin flags would go away once
all cloud providers are on stage 2 cloud-controller-manager solutions.
Managing the control loops more directly based on start up flags.
Addressing issue brought up by @wlan0
Switched to using the main node controller in CCM.
Changes to enable full NodeController to start in CCM.
Fix related tests.
Unifying some common code between KCM and CCM.
Fix related tests and comments.
Folded in feedback from @jhorwit2 and @wlan0
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Improved event generation in volume mount,attach, and extend operations
**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#57217
refactored mount, attach, extend operation's so that all failures generate events and event generation is more consistent.
```release-note
Improved event generation in volume mount, attach, and extend operations
```
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Ensure PVL controller is next pending initializer before labeling the PV
**What this PR does / why we need it**:
According the [documentation](https://kubernetes.io/docs/admin/extensible-admission-controllers/#how-are-initializers-triggered), initializer controllers should only initialize the object once its name is at `metadata.initializers.pending[0]`.[Currently](https://github.com/kubernetes/kubernetes/blob/master/pkg/controller/cloud/pvlcontroller.go#L268), the PVL controller just checks if its name is in the list at all and ignores ordering.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#56830
**Special notes for your reviewer**:
**Release note**:
```release-note
Fix the PersistentVolumeLabel controller from initializing the PV labels when it's not the next pending initializer.
```
/kind bug
/sig storage
/area cloudprovider
/cc @wlan0 @luxas @liggitt
Automatic merge from submit-queue (batch tested with PRs 56639, 56746, 56715, 56673, 56726). 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>.
Simple code and typo fixed.
**What this PR does / why we need it**:
Simple code and typo fixed.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
none
**Special notes for your reviewer**:
none
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 56579, 55236, 56512, 56549, 56538). 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>.
#50598: Added more test cases for nodeShouldRunDaemonPod
**What this PR does / why we need it**:
Covered more predicates for `nodeShouldRunDaemonPod` test
**Which issue(s) this PR fixes**:
Fixes#50598
**Special notes for your reviewer**:
I've introduced `predicateName` parameter in order to easier determine what is covered.
Currently we have:
- ShouldRunDaemonPod
- InsufficientResourceError
- ErrPodNotMatchHostName
- ErrPodNotFitsHostPorts
- ErrNodeSelectorNotMatch
TODO:
- ErrDiskConflict
- ErrPodAffinityNotMatch
- ErrTaintsTolerationsNotMatch
for more predicates take a look at [predicates/errors.go](58fd063a6c/plugin/pkg/scheduler/algorithm/predicates/error.go (L25))
Automatic merge from submit-queue (batch tested with PRs 56401, 56506, 56551, 56298, 56581). 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>.
Addressing Comments from Code Review
**What this PR does / why we need it**: addressing comments from code review: https://github.com/kubernetes/kubernetes/pull/55824#pullrequestreview-78597250
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*: N/A
**Special notes for your reviewer**:
@thockin @jsafrane @msau42 PTAL
**Release note**:
```release-note
NONE
```
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pkg/controller/garbagecollector/garbagecollector.go: fix string format
**What this PR does / why we need it**:
This PR fixes broken formatting in the warning message by using appropriate function:
> W1121 13:13:39.359283 19160 garbagecollector.go:601] failed to discover preferred resources: %vGet https://127.0.0.1:37983/api: dial tcp 127.0.0.1:37983: getsockopt: connection refused
**Special notes for your reviewer**:
This change was introduced in #55259
**Release note**:
```release-note
NONE
```
PTAL @ironcladlou
CC @simo5
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Process cluster-scoped owners correctly
Rework of https://github.com/kubernetes/kubernetes/pull/54943Fixes#54940
Uses correct scope info from the restmapper at point of object lookup.
```release-note
Fixed a garbage collection race condition where objects with ownerRefs pointing to cluster-scoped objects could be deleted incorrectly.
```
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NC should log the whole node condition.
**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
```
/cc @gmarek
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bootstrap: use gopkg.in import for square/go-jose
xref #55514
For 1.10. Ignore while 1.9 code freeze is in effect.
```release-note
NONE
```
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The printing level for node updated failed info should be used WARNING type
**What this PR does / why we need it**:
when I add the new node to the currnent kubernetes cluster, the kube-controller-manager always outputs the error msg( `Failed to set statusUpdateNeeded to needed true because nodeName="openpass-215" does not exist)` and (`Failed to update statusUpdateNeeded field in actual state of world: Failed to set statusUpdateNeeded to needed true because nodeName="openpass-215" does not exist`).
The results of invocation `updateNodeStatusUpdateNeeded` have two context, normal and abnormal.
The normal context is adding a new node to the cluster, the abnormal context is really exist some errors.
The printing level is confusing because it awlays outputs the error level msg.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
none
/cc @saad-ali
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Use extensions client with explicit version
**What this PR does / why we need it**:
Extensions client without explicit version has been deprecated, change them to the one with explicit version.
**Which issue(s) this PR fixes**:
Fixes partially #55993
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Use core client with explicit version
**What this PR does / why we need it**:
Core client without explicit version has been deprecated, change them to the one with explicit version.
**Which issue(s) this PR fixes**:
Fixes partially #55993
**Special notes for your reviewer**:
/cc @kubernetes/sig-api-machinery-pr-reviews
/cc @caesarxuchao @k82cn @sttts @kevin-wangzefeng
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 52259, 53951, 54385, 54805, 55145). 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>.
Bugfix: Update AddNodeHandler error logs
**What this PR does / why we need it**: Its simple error log fix. Hope its not too small to be a separate PR.
Automatic merge from submit-queue (batch tested with PRs 56446, 56437). 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 GC sync race condition
Remove faulty diff detection logic from GC sync which leads to a race
condition: If the GC's discovery client is returning a fully up to date
view of server resources during the very first GC sync, the sync
function will never sync monitors or reset the REST mapper unless
discovery changes again. This causes REST mapping to fail for any custom
types already present in discovery.
Fixes https://github.com/kubernetes/kubernetes/issues/56262.
```release-note
NONE
```
/cc @liggitt @caesarxuchao
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Wait for controllerrevision informer to sync on statefulset controller startup
Fixes: https://github.com/kubernetes/kubernetes/issues/56355
Needs to be backported to at least 1.8, 1.9 and triaged for impact on 1.9 release
/cc @smarterclayton @kow3ns @enisoc
**Release note**:
```release-note
NONE
```