update mount to check mountinfo (fluid-cloudnative#2739)

Signed-off-by: zwwhdls <zww@hdls.me>

csi/shell/check_bind_mounts.sh

@@ -6,4 +6,4 @@ VolumeName="$1"
 
 MountPattern="pods/.*/volumes/kubernetes\.io~csi/$VolumeName/mount"
 
-mount | grep $MountPattern
+cat /proc/self/mountinfo | grep $MountPattern

csi/shell/check_mount.sh

@@ -10,7 +10,7 @@ SubPath="$3"
 
 count=0
 # while ! mount | grep alluxio | grep  $ConditionPathIsMountPoint | grep -v grep
-while ! mount | grep $ConditionPathIsMountPoint | grep $MountType
+while ! cat /proc/self/mountinfo | grep $ConditionPathIsMountPoint | grep $MountType
 do
     sleep 3
     count=`expr $count + 1`

pkg/scripts/poststart/check_fuse.go

@@ -47,7 +47,7 @@ SubPath="$3"
 
 count=0
 # while ! mount | grep alluxio | grep  $ConditionPathIsMountPoint | grep -v grep
-while ! mount | grep $ConditionPathIsMountPoint | grep $MountType
+while ! cat /proc/self/mountinfo | grep $ConditionPathIsMountPoint | grep $MountType
 do
     sleep 3
     count=¬expr $count + 1¬

pkg/scripts/poststart/check_fuse_app.go

@@ -18,6 +18,7 @@ package poststart
 
 import (
 	"fmt"
+
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	utilpointer "k8s.io/utils/pointer"
@@ -53,7 +54,7 @@ for idx in "${!mountPaths[@]}"; do
 	mp=${mountPaths[$idx]}
     mt=${mountTypes[$idx]}
 	count=0
-	while ! mount | grep $mp | grep $mt
+	while ! cat /proc/self/mountinfo | grep $mp | grep $mt
 	do
     	sleep 3
     	count=¬expr $count + 1¬