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e2e: add test for mkfsOptions in RBD StorageClass

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Create a 1G volume, with ext4 and only 1024 inodes. Use `df` to check if
the number of inodes is correct.

Signed-off-by: Niels de Vos <ndevos@ibm.com>
This commit is contained in:
Niels de Vos
2023-03-02 09:18:35 +01:00
committed by mergify[bot]
parent b7e1b90bb8
commit 9c0fa09f19
2 changed files with 87 additions and 5 deletions
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53
e2e/utils.go
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@ -486,6 +486,7 @@ func validatePVCAndAppBinding(pvcPath, appPath string, f *framework.Framework) e
if err != nil {
return err
}
err = deletePVCAndApp("", f, pvc, app)
return err
@ -508,6 +509,50 @@ func getMountType(selector, mountPath string, f *framework.Framework) (string, e
}
func validateNormalUserPVCAccess(pvcPath string, f *framework.Framework) error {
writeTest := func(ns string, opts *metav1.ListOptions) error {
_, stdErr, err := execCommandInPod(f, "echo testing > /target/testing", ns, opts)
if err != nil {
return fmt.Errorf("failed to exec command in pod: %w", err)
}
if stdErr != "" {
return fmt.Errorf("failed to touch a file as non-root user %v", stdErr)
}
return nil
}
return validateNormalUserPVCAccessFunc(pvcPath, f, writeTest)
}
func validateInodeCount(pvcPath string, f *framework.Framework, inodes int) error {
countInodes := func(ns string, opts *metav1.ListOptions) error {
stdOut, stdErr, err := execCommandInPod(f, "df --output=itotal /target | tail -n1", ns, opts)
if err != nil {
return fmt.Errorf("failed to exec command in pod: %w", err)
}
if stdErr != "" {
return fmt.Errorf("failed to list inodes in pod: %v", stdErr)
}
itotal, err := strconv.Atoi(strings.TrimSpace(stdOut))
if err != nil {
return fmt.Errorf("failed to parse itotal %q to int: %w", strings.TrimSpace(stdOut), err)
}
if inodes != itotal {
return fmt.Errorf("expected inodes (%d) do not match itotal on volume (%d)", inodes, itotal)
}
return nil
}
return validateNormalUserPVCAccessFunc(pvcPath, f, countInodes)
}
func validateNormalUserPVCAccessFunc(
pvcPath string,
f *framework.Framework,
validate func(ns string, opts *metav1.ListOptions) error,
) error {
pvc, err := loadPVC(pvcPath)
if err != nil {
return err
@ -571,12 +616,10 @@ func validateNormalUserPVCAccess(pvcPath string, f *framework.Framework) error {
opt := metav1.ListOptions{
LabelSelector: "app=pod-run-as-non-root",
}
_, stdErr, err := execCommandInPod(f, "echo testing > /target/testing", app.Namespace, &opt)
err = validate(app.Namespace, &opt)
if err != nil {
return fmt.Errorf("failed to exec command in pod: %w", err)
}
if stdErr != "" {
return fmt.Errorf("failed to touch a file as non-root user %v", stdErr)
return fmt.Errorf("failed to run validation function: %w", err)
}
// metrics for BlockMode was added in Kubernetes 1.22