[Testpattern: Pre-provisioned Snapshot (delete policy)] snapshottable[Feature:VolumeSnapshotDataSource]

[andyzhangx]

What happened:

https://prow.k8s.io/view/gs/kubernetes-jenkins/pr-logs/pull/kubernetes-sigs_azuredisk-csi-driver/878/pull-azuredisk-csi-driver-external-e2e-single-az/1402235980450107392

[Fail] External Storage [Driver: disk.csi.azure.com] [Testpattern: Pre-provisioned Snapshot (delete policy)] snapshottable[Feature:VolumeSnapshotDataSource] volume snapshot controller  [Measurement] should check snapshot fields, check restore correctly works after modifying source data, check deletion 
/workspace/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/framework/util.go:602
Ran 33 of 5976 Specs in 2049.932 seconds
FAIL! -- 32 Passed | 1 Failed | 0 Pending | 5943 Skipped 

What you expected to happen:

How to reproduce it:

Anything else we need to know?:

Environment:

• CSI Driver version:
• Kubernetes version (use kubectl version):
• OS (e.g. from /etc/os-release):
• Kernel (e.g. uname -a):
• Install tools:
• Others:

[Jiawei0227]

Do we know why this test failed?

[andyzhangx]

Do we know why this test failed?

after rerun, it passes now: #1053

[Jiawei0227]

Yes, I am wondering if we understand the root cause of this. I am also seeing failures like:

External Storage [Driver: disk.csi.azure.com] [Testpattern: Pre-provisioned Snapshot (retain policy)] snapshottable[Feature:VolumeSnapshotDataSource] volume snapshot controller should check snapshot fields, check restore correctly works after modifying source data, check deletion expand_less
3m37s
/workspace/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/storage/testsuites/snapshottable.go:243
Oct 19 01:16:36.834: Unexpected error:
    <exec.CodeExitError>: {
        Err: {
            s: "error running /tmp/test-492252978/TestStorageAzureDisk/e2e/bin/kubectl --server=https://10.0.1.27 --kubeconfig=/logs/artifacts/3614972a-3073-11ec-a3c2-82a096b8f41c/kubeconfig --namespace=snapshotting-2727 exec restored-pvc-tester-h8qdt --namespace=snapshotting-2727 -- cat /mnt/test/data:\nCommand stdout:\n\nstderr:\ncat: can't open '/mnt/test/data': No such file or directory\ncommand terminated with exit code 1\n\nerror:\nexit status 1",
        },
        Code: 1,
    }
    error running /tmp/test-492252978/TestStorageAzureDisk/e2e/bin/kubectl --server=https://10.0.1.27 --kubeconfig=/logs/artifacts/3614972a-3073-11ec-a3c2-82a096b8f41c/kubeconfig --namespace=snapshotting-2727 exec restored-pvc-tester-h8qdt --namespace=snapshotting-2727 -- cat /mnt/test/data:
    Command stdout:
    
    stderr:
    cat: can't open '/mnt/test/data': No such file or directory
    command terminated with exit code 1
    
    error:
    exit status 1
occurred
/workspace/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/framework/util.go:602

[Jiawei0227]

I am just curious what could lead to this

[andyzhangx]

I am just curious what could lead to this

@Jiawei0227 I have rerun 4 times, all pass now, not sure why it failed in the before.