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Type: Sub-task
Resolution: Done
Priority: Undefined
Fix Version/s: None
Affects Version/s: None
Component/s: None
Labels:
None

Story Points:
4
Blocked:
False
Blocked Reason:

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Ready:
False
QEStatus:
ToDo

Cost of Delay:
0
WSJF:
0.000
Risk Probability:
Very Likely
Risk Score:
0

Workstream:

None

Root Cause:
Unset
Failure Category:
Unknown

SFDC Cases Links:
SFDC Cases Counter:
SFDC Cases Open:

Description of problem:

After creating multiple default vsclass/storage class resources, the Velero pod is crashing with nil pointer issue.

Version-Release number of selected component (if applicable):

OADP 1.1.1
Volsync 0.5.1

How reproducible:

Always

Steps to Reproduce:
1. Create multiple default storage class or vsclass resources.
2. Create a backup with DataMover

Actual results:

Velero pod crashed with nil pointer issue.

Expected results:

Velero pod shouldn't get crashed due to nil pointer issue.

Additional info:

2022/10/17 12:39:00 error failed to wait for VolumeSnapshotBackups to be completed: volumesnapshotbackup vsb-4r2fh has failed status
time="2022-10-17T12:39:00Z" level=error msg="volumesnapshotbackup vsb-4r2fh has failed status" backup=openshift-adp/test-datamover logSource="/remote-source/velero/app/pkg/controller/backup_controller.go:669"
E1017 12:39:01.010379 1 runtime.go:78] Observed a panic: "invalid memory address or nil pointer dereference" (runtime error: invalid memory address or nil pointer dereference)
goroutine 1764 [running]:
k8s.io/apimachinery/pkg/util/runtime.logPanic({0x1cf7e00?, 0x32c9640})
/remote-source/velero/deps/gomod/pkg/mod/k8s.io/apimachinery@v0.23.0/pkg/util/runtime/runtime.go:74 +0x86
k8s.io/apimachinery/pkg/util/runtime.HandleCrash({0x0, 0x0, 0xc00102c0c0?})
/remote-source/velero/deps/gomod/pkg/mod/k8s.io/apimachinery@v0.23.0/pkg/util/runtime/runtime.go:48 +0x75
panic({0x1cf7e00, 0x32c9640})
/usr/lib/golang/src/runtime/panic.go:884 +0x212
github.com/vmware-tanzu/velero/pkg/datamover.DeleteTempVSClass({0xc000ea29a0?, 0x2?}, {0x2362d00, 0xc0007ca7b0}, 0xc000640960)
/remote-source/velero/app/pkg/datamover/datamover.go:139 +0xf5
github.com/vmware-tanzu/velero/pkg/controller.(*backupController).runBackup(0xc0001e3b80, 0xc0009b80d0)
/remote-source/velero/app/pkg/controller/backup_controller.go:673 +0xfdb
github.com/vmware-tanzu/velero/pkg/controller.(*backupController).processBackup(0xc0001e3b80, {0xc0011ba440, 0x1c})
/remote-source/velero/app/pkg/controller/backup_controller.go:295 +0x75c
github.com/vmware-tanzu/velero/pkg/controller.(*genericController).processNextWorkItem(0xc000788720)
/remote-source/velero/app/pkg/controller/generic_controller.go:132 +0xeb
github.com/vmware-tanzu/velero/pkg/controller.(*genericController).runWorker(0xc000834ea8?)
/remote-source/velero/app/pkg/controller/generic_controller.go:119 +0x25
k8s.io/apimachinery/pkg/util/wait.BackoffUntil.func1(0xc000834f82?)
/remote-source/velero/deps/gomod/pkg/mod/k8s.io/apimachinery@v0.23.0/pkg/util/wait/wait.go:155 +0x3e
k8s.io/apimachinery/pkg/util/wait.BackoffUntil(0xc000834fd0?, {0x235ce00, 0xc00087eb40}, 0x1, 0xc000e56300)
/remote-source/velero/deps/gomod/pkg/mod/k8s.io/apimachinery@v0.23.0/pkg/util/wait/wait.go:156 +0xb6
k8s.io/apimachinery/pkg/util/wait.JitterUntil(0xc000bc4780?, 0x3b9aca00, 0x0, 0x5?, 0x0?)
/remote-source/velero/deps/gomod/pkg/mod/k8s.io/apimachinery@v0.23.0/pkg/util/wait/wait.go:133 +0x89
k8s.io/apimachinery/pkg/util/wait.Until(...)
/remote-source/velero/deps/gomod/pkg/mod/k8s.io/apimachinery@v0.23.0/pkg/util/wait/wait.go:90
github.com/vmware-tanzu/velero/pkg/controller.(*genericController).Run.func2()
/remote-source/velero/app/pkg/controller/generic_controller.go:92 +0x6e
created by github.com/vmware-tanzu/velero/pkg/controller.(*genericController).Run
/remote-source/velero/app/pkg/controller/generic_controller.go:91 +0x45a
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0x1a2f675]
goroutine 1764 [running]:
k8s.io/apimachinery/pkg/util/runtime.HandleCrash({0x0, 0x0, 0xc00102c0c0?})
/remote-source/velero/deps/gomod/pkg/mod/k8s.io/apimachinery@v0.23.0/pkg/util/runtime/runtime.go:55 +0xd7
panic({0x1cf7e00, 0x32c9640})
/usr/lib/golang/src/runtime/panic.go:884 +0x212
github.com/vmware-tanzu/velero/pkg/datamover.DeleteTempVSClass({0xc000ea29a0?, 0x2?}, {0x2362d00, 0xc0007ca7b0}, 0xc000640960)
/remote-source/velero/app/pkg/datamover/datamover.go:139 +0xf5
github.com/vmware-tanzu/velero/pkg/controller.(*backupController).runBackup(0xc0001e3b80, 0xc0009b80d0)
/remote-source/velero/app/pkg/controller/backup_controller.go:673 +0xfdb
github.com/vmware-tanzu/velero/pkg/controller.(*backupController).processBackup(0xc0001e3b80, {0xc0011ba440, 0x1c})
/remote-source/velero/app/pkg/controller/backup_controller.go:295 +0x75c
github.com/vmware-tanzu/velero/pkg/controller.(*genericController).processNextWorkItem(0xc000788720)
/remote-source/velero/app/pkg/controller/generic_controller.go:132 +0xeb
github.com/vmware-tanzu/velero/pkg/controller.(*genericController).runWorker(0xc000834ea8?)
/remote-source/velero/app/pkg/controller/generic_controller.go:119 +0x25
k8s.io/apimachinery/pkg/util/wait.BackoffUntil.func1(0xc000834f82?)
/remote-source/velero/deps/gomod/pkg/mod/k8s.io/apimachinery@v0.23.0/pkg/util/wait/wait.go:155 +0x3e
k8s.io/apimachinery/pkg/util/wait.BackoffUntil(0xc000834fd0?, {0x235ce00, 0xc00087eb40}, 0x1, 0xc000e56300)
/remote-source/velero/deps/gomod/pkg/mod/k8s.io/apimachinery@v0.23.0/pkg/util/wait/wait.go:156 +0xb6
k8s.io/apimachinery/pkg/util/wait.JitterUntil(0xc000bc4780?, 0x3b9aca00, 0x0, 0x5?, 0x0?)
/remote-source/velero/deps/gomod/pkg/mod/k8s.io/apimachinery@v0.23.0/pkg/util/wait/wait.go:133 +0x89
k8s.io/apimachinery/pkg/util/wait.Until(...)
/remote-source/velero/deps/gomod/pkg/mod/k8s.io/apimachinery@v0.23.0/pkg/util/wait/wait.go:90
github.com/vmware-tanzu/velero/pkg/controller.(*genericController).Run.func2()
/remote-source/velero/app/pkg/controller/generic_controller.go:92 +0x6e
created by github.com/vmware-tanzu/velero/pkg/controller.(*genericController).Run
/remote-source/velero/app/pkg/controller/generic_controller.go:91 +0x45a

$ oc get backup -o yaml
spec:
csiSnapshotTimeout: 10m0s
defaultVolumesToRestic: false
hooks: {}
includedNamespaces:

oadp-812
storageLocation: ts-1
ttl: 720h0m0s
status:
completionTimestamp: "2022-10-17T12:39:16Z"
expiration: "2022-11-16T12:38:00Z"
failureReason: get a backup with status "InProgress" during the server starting, mark it as "Failed"
formatVersion: 1.1.0
phase: Failed
progress:
itemsBackedUp: 46
totalItems: 46
startTimestamp: "2022-10-17T12:38:00Z"
version: 1

$ oc get vsb -o ymal
status:
    conditions:
    - lastTransitionTime: "2022-10-17T12:38:51Z"
      message: cannot have more than one default storageClass
      reason: Error
      status: "False"
      type: Reconciled
    phase: Failed
    sourcePVCData: {}

Details

Description

Description of problem:

After creating multiple default vsclass/storage class resources, the Velero pod is crashing with nil pointer issue.

Actual results:

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