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e2e: add util to get kernel version from specified container

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Currently, we get the kernel version where the e2e (client) executable runs,
not the kernel version that is used by the csi-rbdplugin pod.

Add a function that run `uname -r` command from the specified container and
returns the kernel version.

Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
Suggested-by: Niels de Vos <ndevos@redhat.com>
This commit is contained in:
Prasanna Kumar Kalever 2021-08-24 14:00:24 +05:30 committed by mergify[bot]
parent 4f40213d8e
commit 1bd2d46cdb
1 changed files with 19 additions and 0 deletions
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19
e2e/pod.go
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@ -406,3 +406,22 @@ func calculateSHA512sum(f *framework.Framework, app *v1.Pod, filePath string, op
return checkSum, nil
}
// getKernelVersionFromDaemonset gets the kernel version from the specified container.
func getKernelVersionFromDaemonset(f *framework.Framework, ns, dsn, cn string) (string, error) {
selector, err := getDaemonSetLabelSelector(f, ns, dsn)
if err != nil {
return "", err
}
opt := metav1.ListOptions{
LabelSelector: selector,
}
kernelRelease, stdErr, err := execCommandInContainer(f, "uname -r", ns, cn, &opt)
if err != nil || stdErr != "" {
return "", err
}
return kernelRelease, nil
}