Bug 1867167
| Summary: | Could not delete a problematic volumesnapshot instance. | ||
|---|---|---|---|
| Product: | OpenShift Container Platform | Reporter: | Wei Duan <wduan> |
| Component: | Storage | Assignee: | Christian Huffman <chuffman> |
| Storage sub component: | Kubernetes External Components | QA Contact: | Wei Duan <wduan> |
| Status: | CLOSED ERRATA | Docs Contact: | |
| Severity: | medium | ||
| Priority: | medium | CC: | aos-bugs, jsafrane |
| Version: | 4.6 | ||
| Target Milestone: | --- | ||
| Target Release: | 4.6.0 | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2020-10-27 16:26:34 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
I've submitted a patch upstream [1] to address this issue. [1] https://github.com/kubernetes-csi/external-snapshotter/pull/354 After discussing this upstream, it appears [1] addresses this issue. I'll backport this once it's merged. [1] https://github.com/kubernetes-csi/external-snapshotter/pull/360 Just remark the test result in 4.6. Verified with the rebased image in 4.6 nightly (4.6.0-0.nightly-2020-09-22-213802) Changed status to "VERIFIED" Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (OpenShift Container Platform 4.6 GA Images), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:4196 |
Description of problem: After creating a volumesnapshot instance without finding the PersistentVolumeSource, it could not be deleted anymore. Version-Release number of selected component (if applicable): [wduan@MINT snapshot]$ oc get clusterversion NAME VERSION AVAILABLE PROGRESSING SINCE STATUS version 4.6.0-0.nightly-2020-08-06-131904 True False 14h Cluster version is 4.6.0-0.nightly-2020-08-06-131904 How reproducible: 2/2 Steps to Reproduce: 0. aws-ebs-csi-driver is installed by default in 4.6 1. Create pvc with in-tree sc gp2 $ oc get pvc NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE mypvc-1 Bound pvc-40497255-b302-45e3-953a-aff57acba5bc 1Gi RWO gp2 8m55s 2. Create volumesnapshotclass apiVersion: snapshot.storage.k8s.io/v1beta1 kind: VolumeSnapshotClass metadata: name: csi-aws-ebs-snapclass annotations: snapshot.storage.kubernetes.io/is-default-class: "true" driver: ebs.csi.aws.com deletionPolicy: Delete 3. Create volumesnapshot with snapshotclass, instance is in ReadToUse=false apiVersion: snapshot.storage.k8s.io/v1beta1 kind: VolumeSnapshot metadata: name: mysnapshot-1 spec: volumeSnapshotClassName: csi-aws-ebs-snapclass source: persistentVolumeClaimName: mypvc-1 $ oc get volumesnapshot NAME READYTOUSE SOURCEPVC SOURCESNAPSHOTCONTENT RESTORESIZE SNAPSHOTCLASS SNAPSHOTCONTENT CREATIONTIME AGE mysnapshot-1 false mypvc-1 csi-aws-ebs-snapclass 8m41s 4. Detele the volumesnapshot instance $ oc delete volumesnapshot mysnapshot-1 volumesnapshot.snapshot.storage.k8s.io "mysnapshot-1" deleted ^C [wduan@MINT snapshot]$ oc get volumesnapshot NAME READYTOUSE SOURCEPVC SOURCESNAPSHOTCONTENT RESTORESIZE SNAPSHOTCLASS SNAPSHOTCONTENT CREATIONTIME AGE mysnapshot-1 false mypvc-1 csi-aws-ebs-snapclass 91m Actual results: This volumesnapshot instance could not be deleted. Expected results: This volumesnapshot instance should be deleted. Master Log: Node Log (of failed PODs): PV Dump: PVC Dump: StorageClass Dump (if StorageClass used by PV/PVC): Additional info: