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Only attempt to construct GC informers for watchable resources
A resource must support list/watch in addition to delete for an informer to be functional
Exclude resources that are not watchable from informer construction
Also fixes a bug with the graph builder not using the instance-configured list of ignored resources
/assign @ironcladlou
```release-note
NONE
```
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WaitForCacheSync fail should return for service controller
**What this PR does / why we need it**:
1. WaitForCacheSync fail should return for service controller as other controller
2. remove unused function
3. fix several weak error follow up #54280 according to https://github.com/golang/go/wiki/CodeReviewComments#error-strings
**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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Removed unnecessary type conversion
nodeName is string variable and it unnecessary to convert it to string.
```release-note
NONE
```
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Removed unused function.
Removed unused int64P function from controller_utils_test.go
**Release note**:
```release-note
NONE
```
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Should not sync the volume when claim.Spec.VolumeName is null
**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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Updating NewCIDRSet return a value
**What this PR does / why we need it**:
Updating NewCIDRSet return value
For IPv6, NewCIDRSet was updated to return an error if the subnet mask size
is too big. In this case, NewCIDRSet will fail and return an error.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#52348
**Special notes for your reviewer**:
**Release note**:
```release-note
```
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Deduplicate RC/RS controller code.
The code was already 99% similar between RC and RS. This is a wild idea to try to deduplicate the two controllers in a type-safe manner without adding tons of boilerplate, and without using code generation.
They are still separate resources and separate worker pools. This is a refactor that isn't intended to change any behavior.
```release-note
ReplicationController now shares its underlying controller implementation with ReplicaSet to reduce the maintenance burden going forward. However, they are still separate resources and there should be no externally visible effects from this change.
```
ref #49429
Automatic merge from submit-queue (batch tested with PRs 55331, 55272, 55228, 49763, 55242). 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>.
use versiond group clients from client-go
**What this PR does / why we need it**:
Some **Deprecated** group clients are still used, replace them with versioned group clients.
**Which issue this PR fixes**: fixes#49760
**Special notes for your reviewer**:
/assign @caesarxuchao
**Release note**:
```release-note
NONE
```
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Node which is not present not need update NodeAddress
**What this PR does / why we need it**:
when the node is not exist according to cloud provider. there is no need to update node address better.
finally the node will be delete in https://github.com/kubernetes/kubernetes/blob/master/pkg/controller/cloud/node_controller.go#L240
**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**:
```
NONE
```
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Tolerate partial discovery in garbage collector
Allow the garbage collector to tolerate partial discovery failures. On a
partial failure, use whatever was discovered, log the failures, and
allow the resync logic to try again later.
Fixes#55022.
```release-note
API discovery failures no longer crash the kube controller manager via the garbage collector.
```
/cc @caesarxuchao
The code was already 99% similar between RC and RS.
This is a wild idea to try to deduplicate the two controllers
in a type-safe manner without adding tons of boilerplate,
and without using code generation.
They are still separate resources. This is a refactor that isn't
intended to change any behavior.
Allow the garbage collector to tolerate partial discovery failures. On a
partial failure, use whatever was discovered, log the failures, and
allow the resync logic to try again later.
Fixes#55022.
Automatic merge from submit-queue (batch tested with PRs 53592, 52562, 55175, 55213). 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>.
Check RegisterMetricAndTrackRateLimiterUsage error when starting BootstrapSigner & TokenCleaner controllers
**What this PR does / why we need it**:
Prevent `BootstrapSigner` and `TokenCleaner` controllers to start if `metrics.RegisterMetricAndTrackRateLimiterUsage` returns an error.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: complements #53571
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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unit tests for syncRolloutStatus in pkg/controller/deployment
**What this PR does / why we need it**:
Adds unit tests for syncRolloutStatus func in controller/deployment package.
**Which issue this PR fixes**:
fixes#53663
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 54042, 54185, 54880). 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>.
refactor ReplicaSet sync call tree
**What this PR does / why we need it**:
This PR refactors ReplicaSet sync call tree by refactoring `manageReplicas` and `syncReplicaSet` functions into smaller functions, and adding unit tests to each of the smaller functions.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: xref #52118
**Release note**:
```release-note
NONE
```
**TODO**:
- `manageReplicas`
- [x] move both outer and inner `batchSize` loops to a helper function named `slowStartBatch`, and test the function
- [x] add a helper function returning a list named `podsToDelete`, test the function, and refactor `DeletePod` loop to use the list
- [x] refactor skipped pod handling such that it happens after `slowStartBatch` returns
- `syncReplicaSet`
- [x] add unit tests for `calculateStatus`
- [x] move `canAdoptFunc` to a helper function
Automatic merge from submit-queue (batch tested with PRs 54894, 54630, 54828, 54926, 54865). 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>.
trigger endpoint update on pod deletion
Fixes#54723
cc: @joelsmith
```release-note
Fix a bug where pod address is not removed from endpoints object while pod is in graceful termination.
```
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Update volume OWNERS to reflect active sig-storage reviewers
**What this PR does / why we need it**:
Update sig-storage reviewers to add new members and remove those that don't have as much time to review storage PRs. Approvers are unchanged.
**Special notes for your reviewer**:
For all those that have been removed, please approve. If you want to remain as a reviewer, let me know and I will add you back.
**Release note**:
NONE
Added additional test case that exercises fix#53614 or npe when scaling --replicas=0
Moved creation of clientset and deployment controller objects inside test loop since it's mutated every time an API action happens.
Signed-off-by: John Kelly <jekohk@gmail.com>
Created unit tests for syncRolloutStatus function in the deployment package.
Tests for syncRolloutStatus have brought the overall test coverage of deployment/progress to 82.1%.
Signed-off-by: John Kelly <jekohk@gmail.com>
Automatic merge from submit-queue (batch tested with PRs 53190, 54790, 54445, 52607, 54801). 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 created-by annotation
**What this PR does / why we need it**:
This PR removes `CreatedByAnnotation`.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#50720
**Release note**:
```release-note
The `kubernetes.io/created-by` annotation is no longer added to controller-created objects. Use the `metadata.ownerReferences` item that has `controller` set to `true` to determine which controller, if any, owns an object.
```
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Initial integration test setup for DaemonSet controller
**What this PR does / why we need it**:
This PR setup and added some initial integration tests for the DaemonSet controller. All tests included were ported from their unit test counterparts that currently use fake client, informers, reactor, etc. Future PRs will port more tests over once this PR is approved and merged.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: #52191.
**Special notes for your reviewer**:
@kow3ns
**Release note**:
```release-note
NONE
```
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Ability to do object count quota for all namespaced resources
**What this PR does / why we need it**:
- Defines syntax for generic object count quota `count/<resource>.<group>`
- Migrates existing objects to support new syntax with old syntax
- Adds support to quota all standard namespace resources
- Updates the controller to do discovery and replenishment on those resources
- Updates unit tests
- Tweaks admission configuration around quota
- Add e2e test for replicasets (demonstrate dynamic generic counting)
```
$ kubectl create quota test --hard=count/deployments.extensions=2,count/replicasets.extensions=4,count/pods=3,count/secrets=4
resourcequota "test" created
$ kubectl run nginx --image=nginx --replicas=2
$ kubectl describe quota
Name: test
Namespace: default
Resource Used Hard
-------- ---- ----
count/deployments.extensions 1 2
count/pods 2 3
count/replicasets.extensions 1 4
count/secrets 1 4
```
**Special notes for your reviewer**:
- simple object count quotas no longer require writing code
- deferring support for custom resources pending investigation about how to share caches with garbage collector. in addition, i would like to see how this integrates with downstream quota usage in openshift.
**Release note**:
```release-note
Object count quotas supported on all standard resources using `count/<resource>.<group>` syntax
```
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remove duplicated code
**What this PR does / why we need it**:
remove duplicated code
**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**:
handler initiated twice.
```
cc := &CertificateController{
kubeClient: kubeClient,
queue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "certificate"),
handler: handler,
}
cc.handler = handler
```
**Release note**:
```release-note
NONE
```
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