Individual implementations are not yet being moved.
Fixed all dependencies which call the interface.
Fixed golint exceptions to reflect the move.
Added project info as per @dims and
https://github.com/kubernetes/kubernetes-template-project.
Added dims to the security contacts.
Fixed minor issues.
Added missing template files.
Copied ControllerClientBuilder interface to cp.
This allows us to break the only dependency on K8s/K8s.
Added TODO to ControllerClientBuilder.
Fixed GoDeps.
Factored in feedback from JustinSB.
- Use VolumeAvaiable instead of empty or pending phase in tests
- Add a test case to verify findMatchingVolume will not choose
non-avaiable PVs if it's not pre-bind
- Add a test case to verify syncClaim will not choose non-avaibalbe PVs
if it's not pre-bind
Automatic merge from submit-queue (batch tested with PRs 67709, 67556). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
Fix volume scheduling issue with pod affinity and anti-affinity
**What this PR does / why we need it**:
The previous design of the volume scheduler had volume assume + bind done before pod assume + bind. This causes issues when trying to evaluate future pods with pod affinity/anti-affinity because the pod has not been assumed while the volumes have been decided.
This PR changes the design so that volume and pod are assumed first, followed by volume and pod binding. Volume binding waits (asynchronously) for the operations to complete or error. This eliminates the subsequent passes through the scheduler to wait for volume binding to complete (although pod events or resyncs may still cause the pod to run through scheduling while binding is still in progress). This design also aligns better with the scheduler framework design, so will make it easier to migrate in the future.
Many changes had to be made in the volume scheduler to handle this new design, mostly around:
* How we cache pending binding operations. Now, any delayed binding PVC that is not fully bound must have a cached binding operation. This also means bind API updates may be repeated.
* Waiting for the bind operation to fully complete, and detecting failure conditions to abort the bind and retry scheduling.
**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#65131
**Special notes for your reviewer**:
**Release note**:
```release-note
Fixes issue where pod scheduling may fail when using local PVs and pod affinity and anti-affinity without the default StatefulSet OrderedReady pod management policy
```
Automatic merge from submit-queue (batch tested with PRs 66840, 68159). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
CSI Cluster Registry and Node Info CRDs Improvements
**What this PR does / why we need it**:
https://github.com/kubernetes/kubernetes/pull/67803 merged before I could address @lavalamp's feedback. This PR addresses his feedback
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Follow up on PR https://github.com/kubernetes/kubernetes/pull/67803
**Special notes for your reviewer**:
**Release note**:
```release-note
```
/assign @lavalamp
/assign @thockin
CC @jsafrane @vladimirvivien @verult @gnufied @childsb
* FindPodVolumes
* Prebound PVCs are treated like unbound immediate PVCs and will error
* Always check for fully bound PVCs and cache bindings for not fully
bound PVCs
* BindPodVolumes
* Retry API updates for not fully bound PVCs even if the assume cache
already marked it
* Wait for PVCs to be fully bound after making the API updates
* Error when detecting binding/provisioning failure conditions
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
Add gnufied as approver for attach/detach controller
Hopefully has reviewed and made enough fixes in this
area to understand the code thoroughly.
```release-note
None
```
/assign @saad-ali @jsafrane
Automatic merge from submit-queue (batch tested with PRs 67745, 67432, 67569, 67825, 67943). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
Fix VMWare VM freezing bug by reverting #51066
**What this PR does / why we need it**: kube-controller-manager, VSphere specific: When the controller tries to attach a Volume to Node A that is already attached to Node B, Node A freezes until the volume is attached. Kubernetes continues to try to attach the volume as it thinks that it's 'multi-attachable' when it's not. #51066 is the culprit.
**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/vmware/kubernetes/issues/500 / https://github.com/vmware/kubernetes/issues/502 (same issue)
**Special notes for your reviewer**:
- Repro:
Vsphere installation, any k8s version from 1.8 and above, pod with attached PV/PVC/VMDK:
1. cordon the node which the pod is in
2. `kubectl delete po/[pod] --force --grace-period=0`
3. the pod is immediately rescheduled to a new node. Grab the new node from a `kubectl describe [pod]` and attempt to Ping it or SSH into it.
4. you can see that pings/ssh fail to reach the new node. `kubectl get node` shows it as 'NotReady'. New node is frozen until the volume is attached - usually 1 minute freeze for 1 volume in a low-load cluster, and many minutes more with higher loads and more volumes involved.
- Patch verification:
Tested a custom patched 1.9.10 kube-controller-manager with #51066 reverted and the above bug is resolved - can't repro it anymore. New node doesn't freeze at all, and attaching happens quite quickly, in a few seconds.
**Release note**:
```
Fix VSphere VM Freezing bug by reverting #51066
```
Automatic merge from submit-queue (batch tested with PRs 67062, 67169, 67539, 67504, 66876). 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>.
Double check PVC if not found in syncVolume
**What this PR does / why we need it**:
Double check PVC if not found in syncVolume.
If PV is bound by external PV binder (e.g. kube-scheduler), it's possible on heavy load that corresponding PVC is not synced to controller local cache yet.
**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#66287
**Special notes for your reviewer**:
**Release note**:
```release-note
Double check PVC if not found in syncVolume to prevent reclaiming PV wrongly.
```
If PV is bound by external PV binder (e.g. kube-scheduler), it's
possible on heavy load that corresponding PVC is not synced to
controller local cache yet.
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>.
Attacher/Detacher refactor for local storage
Proposal link: https://github.com/kubernetes/community/pull/2438
**What this PR does / why we need it**:
Attacher/Detacher refactor for the plugins which just need to mount device, but do not need to attach, such as local storage plugin.
**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
Attacher/Detacher refactor for local storage
```
/sig storage
/kind feature
Automatic merge from submit-queue (batch tested with PRs 66491, 66587, 66856, 66657, 66923). 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>.
PVC Protection: Wait for Pod delete
Currently, the PVC protection controller will remove its finalizer when
all Pods using a PVC reach at least a Terminating state. However,
certain volumes cannot be guaranteed to be umounted until a Pod is
deleted. Only Pods not in the current pods list can be considered
deleted, so we're removing the exception to not check Terminating Pods.
```release-note
NONE
```
Resolves: #65552
Signed-off-by: Jose A. Rivera <jarrpa@redhat.com>
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attachdetach controller: attach volumes immediately when Pod's PVCs are bound
**What this PR does / why we need it**:
Let attachdetach controller to attach volumes immediately when Pod's PVCs are bound.
Current attachdetach controller calls `util.ProcessPodVolume` to add pod volumes into `desiredStateOfWorld` on these events:
- podAdd event
- podUpdate event
- podDelete event
- periodical `desiredStateOfWorldPopulator.findAndAddActivePod`
But if a pod is created with PVCs not bound, no volumes will be added into `desiredStateOfWorld` [because PVCs not bound](https://github.com/kubernetes/kubernetes/blob/v1.12.0-alpha.0/pkg/controller/volume/attachdetach/util/util.go#L99). When pv controller binds PVCs successfully, attachdetach controller will not add pod volumes immediately because it does not watch on PVC events.
It will wait until a pod update event is triggered (normally will not happen because no new status will be reported by kubelet) or `desiredStateOfWorldPopulator.findAndAddActivePod` is called (maybe 0~3 minutes later, see [timer configs](https://github.com/kubernetes/kubernetes/blob/v1.12.0-alpha.0/pkg/controller/volume/attachdetach/attach_detach_controller.go)).
In bad case, pod start time will be very long (~3 minutes + ~2 minutes (kubelet max exponential backoff)), for example: https://github.com/kubernetes/kubernetes/issues/64549#issuecomment-409440546.
**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#64549
**Special notes for your reviewer**:
**Release note**:
```release-note
attachdetach controller attaches volumes immediately when Pod's PVCs are bound
```
Currently, the PVC protection controller will remove its finalizer when
all Pods using a PVC reach at least a Terminating state. However,
certain volumes cannot be guaranteed to be umounted until a Pod is
deleted. Only Pods not in the current pods list can be considered
deleted, so we're removing the exception to not check Terminating Pods.
Signed-off-by: Jose A. Rivera <jarrpa@redhat.com>
Automatic merge from submit-queue (batch tested with PRs 65570, 65616). 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>.
Retry scheduling on StorageClass events
**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#56163
**Special notes for your reviewer**:
I have taken over #60006.
It's hard to test in e2e, because we cannot know reschedule of pod is triggered by which event (periodically service/node events will move pods to active queue too). ~~I'll add integration tests for this functionality after [this PR](https://github.com/kubernetes/kubernetes/pull/65296) get merged.~~ (already added)
**Release note**:
```release-note
NONE
```
There are two motivations for this change:
(1) CSI plugins are soon going to support volume expansion. For such
plugins, admission controller doesn't know whether the plugins are
capabale of supporting volume expansion or not.
(2) Currently, admission controller rejects PVC updates for in-tree plugins
that don't support volume expansion (e.g., NFS, iSCSI). This change allows
external controllers to expand volumes similar to how external provisioners
operate.
Automatic merge from submit-queue (batch tested with PRs 66076, 65792, 65649). 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>.
kubernetes: fix printf format errors
These are all flagged by Go 1.11's
more accurate printf checking in go vet,
which runs as part of go test.
```release-note
NONE
```
These are all flagged by Go 1.11's
more accurate printf checking in go vet,
which runs as part of go test.
Lubomir I. Ivanov <neolit123@gmail.com>
applied ammend for:
pkg/cloudprovider/provivers/vsphere/nodemanager.go
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Add lichuqiang as reviewer of persistentvolume controller (for volume scheduling)
Now that I've been working on the storage topology-aware feature for quite a time. Really hope that I can help do some review.
```release-note
NONE
```
/assign @msau42
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Volume topology aware dynamic provisioning: work based on new API
**What this PR does / why we need it**:
The PR has been split to 3 parts:
Part1: https://github.com/kubernetes/kubernetes/pull/63232 for basic scheduler and PV controller plumbing
Part2: https://github.com/kubernetes/kubernetes/pull/63233 for API change
and the PR itself includes work based on the API change:
- Dynamic provisioning allowed topologies scheduler work
- Update provisioning interface to be aware of selected node and topology
**Which issue(s) this PR fixes**
Feature: https://github.com/kubernetes/features/issues/561
Design: https://github.com/kubernetes/community/issues/2168
**Special notes for your reviewer**:
/sig storage
/sig scheduling
/assign @msau42 @jsafrane @saad-ali @bsalamat
@kubernetes/sig-storage-pr-reviews
@kubernetes/sig-scheduling-pr-reviews
**Release note**:
```release-note
Volume topology aware dynamic provisioning
```
Automatic merge from submit-queue (batch tested with PRs 60012, 63692, 63977, 63960, 64008). 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>.
Only override objects from informer when version has increased.
**What this PR does / why we need it**:
We don't want an informer resync to override assumed volumes if the version has not increased.
**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#63467
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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should use time.Since instead of time.Now().Sub
**What this PR does / why we need it**:
should use time.Since instead of time.Now().Sub
**Special notes for your reviewer**:
Automatic merge from submit-queue (batch tested with PRs 62780, 62886). 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>.
Only count local mounts that are from other pods
**What this PR does / why we need it**:
In GCE, we mount the same local SSD in two different paths (for backwards compatability). This makes the fsGroup conflict check fail because it thinks the 2nd mount is from another pod. For the fsgroup check, we only want to detect if other pods are mounting the same volume, so this PR filters the mount list to only those mounts under "/var/lib/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#62867
**Release note**:
```release-note
NONE
```
After K8s 1.10 is upgraded to K8s 1.11 finalizer [kubernetes.io/pvc-protection] is added to PVCs
because StorageObjectInUseProtection feature will be GA in K8s 1.11.
However, when K8s 1.11 is downgraded to K8s 1.10 and the StorageObjectInUseProtection feature is disabled
the finalizers remain in the PVCs and as pvc-protection-controller is not started in K8s 1.10 finalizers
are not removed automatically from deleted PVCs and that's why deleted PVC are not removed from the system
but remain in Terminating phase.
The same applies to pv-protection-controller and [kubernetes.io/pvc-protection] finalizer in PVs.
That's why pvc-protection-controller is always started because the pvc-protection-controller removes finalizers
from PVCs automatically when a PVC is not in active use by a pod.
Also the pv-protection-controller is always started to remove finalizers from PVs automatically when a PV is not
Bound to a PVC.
Related issue: https://github.com/kubernetes/kubernetes/issues/60764
Automatic merge from submit-queue (batch tested with PRs 62694, 62569, 62646, 61633, 62433). 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>.
Report events to apiserver in local volume plugin.
**What this PR does / why we need it**:
See https://github.com/kubernetes/kubernetes/pull/62102#discussion_r179238429.
Report events to apiserver in local volume plugin.
- Add VolumeHost.GetEventRecorder() method
- Add related e2e tests
**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#62248
**Special notes for your reviewer**:
Example output of `kubectl describe pods`:
```
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Scheduled 7s default-scheduler Successfully assigned e2e-tests-persistent-local-volumes-test-x4h5x/security-context-670da435-4174-11e8-9098-000c29bb0377 to 127.0.0.1
Warning AlreadyMountedVolume 7s kubelet, 127.0.0.1 The requested fsGroup is 4321, but the volume local-pvfbb76 has GID 1234. The volume may not be shareable.
Normal SuccessfulMountVolume 7s kubelet, 127.0.0.1 MountVolume.SetUp succeeded for volume "default-token-996xr"
Normal SuccessfulMountVolume 7s kubelet, 127.0.0.1 MountVolume.SetUp succeeded for volume "local-pvfbb76"
Normal Pulled 6s kubelet, 127.0.0.1 Container image "k8s.gcr.io/busybox:1.24" already present on machine
Normal Created 6s kubelet, 127.0.0.1 Created container
Normal Started 6s kubelet, 127.0.0.1 Started container
```
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 62448, 59317, 59947, 62418, 62352). 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 binding error message for volumeMode:Block unsupported case
**What this PR does / why we need it**:
This PR adds a binding error message for volumeMode:Block
unsupported case.
With this message, users can understand why PV is not bound to
PVC on dynamic provisioning.
**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: #59942
**Special notes for your reviewer**:
/cc @mtanino
/sig storage
**Release note**:
```release-note
NONE
```
This commit adds a binding error message for volumeMode:Block
unsupported case.
With this message, users can understand why PV is not bound to
PVC on both dynamic provisioning and manually creating volume.
This patch works as follows:
- In syncVolume, before adding the claim to claimQueue, check if
there is a volumeMode mismatch, and if there is, record the
event for both pv and pvc and skip adding to the queue.
fixes: #59942
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Add msau42 to approvers for volume scheduling
**What this PR does / why we need it**:
Add me as an approver for the volume scheduling code
**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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unused function clean
**What this PR does / why we need it**:
clean unused function in file
pkg/controller/volume/persistentvolume/scheduler_binder_test.go
**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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Add volume spec to mountedPod in actual state of world
Add volume spec into mountedPod data struct in the actual state of the
world.
Fixes issue #61248
Automatic merge from submit-queue (batch tested with PRs 61918, 62180, 62198). 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 provided node object in volume binding predicate
**What this PR does / why we need it**:
Autoscaler creates fake node objects, so we should use the provided node object instead of looking up the node from the informer.
**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#62178
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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make use of auto generated LoadBalancerStatus.DeepCopy
Remove LoadBalancerStatusDeepCopy in helpers.go, and use the auto generated `LoadBalancerStatus.DeepCopy` in pkg/apis/core/zz_generated.deepcopy.go.
**Release note**:
```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>.
Move volume scheduling and local storage to beta
**What this PR does / why we need it**:
* Move the feature gates and APIs for volume scheduling and local storage to beta
* Update tests to use the beta fields
@kubernetes/sig-storage-pr-reviews
**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#59390
**Special notes for your reviewer**:
**Release note**:
```release-note
ACTION REQUIRED: VolumeScheduling and LocalPersistentVolume features are beta and enabled by default. The PersistentVolume NodeAffinity alpha annotation is deprecated and will be removed in a future release.
```
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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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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
```
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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.
```
Automatic merge from submit-queue (batch tested with PRs 55606, 59185, 58763, 59072, 59251). 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 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
```
Christoph Blecker