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e2e: Add E2E for app readonly options

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If the mount option is readonly in app
pod, the pod should not get the write
access to the mounted cephfs subvolume.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna 2020-06-16 16:26:14 +05:30 committed by mergify[bot]
parent 5be2f62d38
commit 37979da5b2
1 changed files with 45 additions and 0 deletions
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45
e2e/cephfs.go
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@ -2,8 +2,10 @@ package e2e
import (
"fmt"
"strings"
. "github.com/onsi/ginkgo" // nolint
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/kubernetes/test/e2e/framework"
e2elog "k8s.io/kubernetes/test/e2e/framework/log"
@ -308,6 +310,49 @@ var _ = Describe("cephfs", func() {
})
By("Mount pvc as readonly in pod", func() {
// create pvc and bind it to an app
pvc, err := loadPVC(pvcPath)
if err != nil {
Fail(err.Error())
}
pvc.Namespace = f.UniqueName
app, err := loadApp(appPath)
if err != nil {
Fail(err.Error())
}
app.Namespace = f.UniqueName
label := map[string]string{
"app": app.Name,
}
app.Labels = label
app.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = pvc.Name
app.Spec.Volumes[0].PersistentVolumeClaim.ReadOnly = true
err = createPVCAndApp("", f, pvc, app, deployTimeout)
if err != nil {
Fail(err.Error())
}
opt := metav1.ListOptions{
LabelSelector: fmt.Sprintf("app=%s", app.Name),
}
filePath := app.Spec.Containers[0].VolumeMounts[0].MountPath + "/test"
_, stdErr := execCommandInPodAndAllowFail(f, fmt.Sprintf("echo 'Hello World' > %s", filePath), app.Namespace, &opt)
readOnlyErr := fmt.Sprintf("cannot create %s: Read-only file system", filePath)
if !strings.Contains(stdErr, readOnlyErr) {
Fail(stdErr)
}
// delete pvc and app
err = deletePVCAndApp("", f, pvc, app)
if err != nil {
Fail(err.Error())
}
})
// Make sure this should be last testcase in this file, because
// it deletes pool
By("Create a PVC and Delete PVC when backend pool deleted", func() {