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Avoid call to get cloud instances
**What this PR does / why we need it**:
if a node does not have the taint, we really don't need to make calls
to get the list of instances from the cloud provider
**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**:
Found when reviewing code for #59887
**Release note**:
```release-note
NONE
```
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Process existing cloud nodes in CCM
**What this PR does / why we need it**:
This is a timing issue. If kubelet(s) get started before the CCM is
started, the shared informer event handler does not process them at
all. So we should loop through these before. We run this in a
go wait.Until loop to tolerate errors when listing the nodes and
giving an opportunity for any scripts that may need to setup RBAC
roles etc.
**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#58613
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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add node shutdown taint
**What this PR does / why we need it**: we need node stopped taint in order to detach volumes immediately without waiting timeout. More info in issue ticket #58635
**Which issue(s) this PR fixes**
Fixes#58635
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Existing nodes are sent via update and not via the add function,
so let's add an UpdateCloudNode and just forward it to the
AddCloudNode. This works fine as all we do is look for the cloud
taint and bail out if it is not present.
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Add bound/unbound pv/pvc volume metrics
**What this PR does / why we need it**:
Fix two bugs in bound/unbound pv/pvc volumes metric e2e test:
1. Check `HasRegisteredMaster` in `BeforeEach` instead of each tests because we will grab the metrics in `BeforeEach`
2. Fix `calculateRelativeValues` bug, if there are other PV/PVC exist in the cluster, `calculateRelativeValues` will return a map like `map[string]int64{"some-storage-class-name": 0}`, this will lead to test failure. We should skip these unchanged numbers.
**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#59517
**Release note**:
```release-note
NONE
```
/sig storage
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Fix typos
**What this PR does / why we need it**:
To fix some typos
**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
```
fix function
fix gofmt
fix function return value
fix tests
skip notimplemented error
remove factory unused
in openstack we should try to find instanceid from all states instead of ACTIVE, all other cloudproviders do this already
fix tests and lint
fix gofmt
fix nodelifecycletest
fix lint errors
shutdowned -> stopped
use shutdown everywhere
use patch in taints api call
use notimplemented in clouds use AddOrUpdateTaintOnNode
correct log text
add fake cloud
try to fix bazel
add shutdown tests
add context
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Do not recycle volumes that are used by pods
**What this PR does / why we need it**:
Recycler should wait until all pods that use a volume are finished.
Consider this scenario:
1. User creates a PVC that's bound to a NFS PV.
2. User creates a pod that uses the PVC
3. User deletes the PVC.
Now the PV gets `Released` (the PVC does not exists) and recycled, however the PV is still mounted to a running pod. PVC protection won't help us, because it puts finalizers on PVC that is under user's control and user can remove it.
This PR checks that there is no pod that uses a PV before it recycles it.
**Release note**:
```release-note
NONE
```
/sig storage
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Add context to all relevant cloud APIs
**What this PR does / why we need it**:
This adds context to all the relevant cloud provider interface signatures.
Callers of those APIs are currently satisfied using context.TODO().
There will be follow on PRs to push the context through the stack.
**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#815
**Special notes for your reviewer**:
For an idea of the full scope of this change please look at PR #58532.
**Release note**:
```release-note
Implementers of the cloud provider interface will note the addition of a context to this interface. Trivial code modification will be necessary for a cloud provider to continue to compile.
```
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fix some log param error
this patch fix some log parameter mistakes.
**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
/release-note-none
```
This adds context to all the relevant cloud provider interface signatures.
Callers of those APIs are currently satisfied using context.TODO().
There will be follow on PRs to push the context through the stack.
For an idea of the full scope of this change please look at PR #58532.
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Improve messaging on volume expansion
- we now provide clear message to user what to do when cloudprovider resizing is finished
and file system resizing is needed.
- add a event when resizing is successful
- Use PATCH both in controller-manager and kubelet for updating PVC status
- Remove code duplication between controller-manager and kubelet for updating PVC status
- Only remove conditions that are managed by resize controller
```release-note
Improve messages user gets during and after volume resizing is done.
```
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unify the print of pod metadata
**What this PR does / why we need it**:
just a trivial fix about print format, not about code logic.
fix it by the way
**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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Fix a typo in pkg/controller/volume/persistentvolume/pv_controller.go
**What this PR does / why we need it**:
Fix typo (a -> an)
**Special notes for your reviewer**:
none
**Release note**:
```release-note
none
```
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Postpone PV deletion with finalizer when it is being used
Postpone PV deletion if it is bound to a PVC
xref: https://github.com/kubernetes/community/pull/1608
**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#33355
**Special notes for your reviewer**:
**Release note**:
```release-note
Postpone PV deletion when it is being bound to a PVC
```
WIP, assign to myself first
/assign @NickrenREN
- we now provide clear message to user what to do when cloudprovider resizing is finished
and file system resizing is needed.
- add a event when resizing is successful.
- Use Patch for updating PVCs in both kubelet and controller-manager
- Extract updating pvc util function in one place.
- Only update resize conditions on progress
Automatic merge from submit-queue (batch tested with PRs 55792, 58342). 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>.
Promote Statefulset controller and its e2e tests to use apps/v1
**What this PR does / why we need it**:
Promotes the statefulset controller to use to use the latest apps group [apps/v1](https://github.com/kubernetes/kubernetes/pull/53679)
**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/55714
**Special notes for your reviewer**:
* Listerexpansion for v1 `k8s.io/client-go/listers/apps/v1` (was recently done for v1beta2)
* `v1beta2` && `v1` had `ObservedGeneration` as `int64` where as `v1beta1` and rest of the code (including conversion) is expecting `ObservedGeneration` to be `*int64`
```
type StatefulSetStatus struct {
// observedGeneration is the most recent generation observed for this StatefulSet. It corresponds to the
// StatefulSet's generation, which is updated on mutation by the API Server.
// +optional
ObservedGeneration int64 `json:"observedGeneration,omitempty" protobuf:"varint,1,opt,name=observedGeneration"`
```
* for kubectl's `rollback` and `history` commands a couple functions have been duplicated to allow us to use `v1` version instead of `v1beta1` for statefulsets, while the older functions are still used by other controllers.
We should be able to remove these duplicates once all the controllers are moved.
If this aligns with the plan then i could move other controllers too.
cc: @kow3ns
**Release note**:
```release-note
NONE
```
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Add list of pods that use a volume to multiattach events
So users knows what pods are blocking a volume and can realize their error.
**Release note**:
```release-note
NONE
```
UX:
* User can get one of following events, depending what other pod(s) are already using a volume and in which namespace they are:
```
Multi-Attach error for volume"volume-name" Volume is already exclusively attached to one node and can't be attached to another
Multi-Attach error for volume "volume-name" Volume is already used by pod(s) pod3 and 1 pod(s) in different namespaces
```
* controller-manager gets always full logs:
* When the node where is the volume attached is known:
```
Multi-Attach error for volume "volume-name" (UniqueName: "fake-plugin/volume-name") from node "node1" Volume is already used by pods ns2/pod2, ns1/pod3 on node node2, node3
```
* When the node where is the volume attached is not known:
```
Multi-Attach error for volume "volume-name" (UniqueName: "fake-plugin/volume-name") from node "node1" Volume is already exclusively attached to node node2 and can't be attached to another
```
/kind bug
/sig storage
/assign @gnufied
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process pvc watch deletion event miss in expand-controller
**What this PR does / why we need it**:
volume expand controller should also process exception case when watch deletion event missed as most controllers do.
**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
```
Automatic merge from submit-queue (batch tested with PRs 54242, 58522, 58704, 58708, 58712). 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>.
Clean up error messages for pre-bound PVCs.
When a PVC explicitly requests specific PV and the PV does not match, we should tell the user what exactly does not match.
From: `Volume's size is smaller than requested or volume's class does not match with claim`
To: `Cannot bind to requested volume "<volume name>": %s`, where `%s` is one of:
- `requested PV is too small`
- `storageClasseNames do not match`
- `incompatible volumeMode`
- `error checking volumeMode: api defaulting for volumeMode failed` (this should not ever happen)
/sig storage
@kubernetes/sig-storage-pr-reviews
**Release note**:
```release-note
NONE
```
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make quota reusable
Quota is logically a re-useable component so that replenishment and admission can be done in constituent servers. This makes it possible to embed. More cleanup is probably required, but this is the minimum.
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Fix event message when processing loadbalancer update
**What this PR does / why we need it**:
When a service get updated, in func [processServiceUpdate](https://github.com/kubernetes/kubernetes/blob/master/pkg/controller/service/service_controller.go#L249), we process its LB accordingly, that is, create one if the service requests and no corresponding loadbalancer exists; and delete potential orphaned load balancer if the service does not need it any more.
But if a service does not `wantsLoadBalancer` but get error when trying to `GetLoadBalancer`, user could find an event in format of "CreatingLoadBalancerFailed..."[here](https://github.com/kubernetes/kubernetes/blob/master/pkg/controller/service/service_controller.go#L261), which would confusing users. So we should generate event info according to service type.
**Special notes for your reviewer**:
/sig network
**Release note**:
```release-note
NONE
```
When a PVC explicitly requests specific PV and the PV does not match,
we should tell the user what exactly does not match.
From:
Volume's size is smaller than requested or volume's class does not match with claim
To:
Cannot bind to requested volume "<volume name>": %s
where %s is one of:
- requested PV is too small
- storageClasseNames do not match
- incompatible volumeMode
- error checking volumeMode: api defaulting for volumeMode failed (this should not ever happen)
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