e2e: Add testcase of invalid mount option

Added a test case to cover unmap of rbd image
if the mounting fails. if we pass the invalid
mount option the expectation is that mounting
of rbd image to stagingpath fails. as the unmap
happens it should not block the rbd pvc deletion
saying rbd image is in-use.

Signed-off-by: Madhu Rajanna <[email protected]>
(cherry picked from commit 44da7ff)

Author: Madhu-1

e2e/rbd.go

@@ -562,6 +562,40 @@ var _ = Describe("RBD", func() {
 				createRBDStorageClass(f.ClientSet, f, nil, nil)
 			})
 
+			// Mount pvc to pod with invalid mount option,expected that
+			// mounting will fail
+			By("Mount pvc to pod with invalid mount option", func() {
+				deleteResource(rbdExamplePath + "storageclass.yaml")
+				createRBDStorageClass(f.ClientSet, f, map[string]string{rbdmountOptions: "debug,invalidOption"}, nil)
+				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
+				err = createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
+				if err != nil {
+					Fail(err.Error())
+				}
+				// create an app and wait for 2 min for it to go to running state
+				err = createApp(f.ClientSet, app, 2)
+				if err == nil {
+					Fail("application should not go to running state due to invalid mount option")
+				}
+				err = deletePVCAndApp("", f, pvc, app)
+				if err != nil {
+					Fail(err.Error())
+				}
+
+				deleteResource(rbdExamplePath + "storageclass.yaml")
+				createRBDStorageClass(f.ClientSet, f, nil, nil)
+			})
+
 			// 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() {