add readonly rootfs ut

Signed-off-by: Peng Tao <[email protected]>

hack/lib/test.sh

@@ -228,3 +228,12 @@ hyper::test::container_logs_no_newline() {
   echo logs result $res
   test x$res = "xfoobar"
 }
+
+hyper::test::container_readonly_rootfs_and_volume() {
+  echo "Container rootfs and volume readonly test"
+  id=$(sudo hyperctl run -p ${HYPER_ROOT}/hack/pods/readonly-rootfs.pod | sed -ne 's/POD id is \(.*\)/\1/p')
+  res1=$(sudo hyperctl exec $id touch /foobar | grep 'Read-only file system' > /dev/null 2>&1; echo $?)
+  res2=$(sudo hyperctl exec $id touch /tmp/foobar | grep 'Read-only file system' > /dev/null 2>&1; echo $?)
+  sudo hyperctl rm $id
+  test $res1 -eq 0 -a $res2 -eq 0
+}

hack/pods/readonly-rootfs.pod

@@ -0,0 +1,18 @@
+{
+        "containers" : [{
+            "name": "busybox-readonly",
+            "image": "busybox",
+            "command": ["/bin/sh"],
+            "readonly": true,
+            "volumes": [{
+                "volume": "tmp",
+                "path": "/tmp",
+                "readOnly": true
+             }]
+        }],
+        "volumes": [{
+            "name": "tmp",
+            "source": "",
+            "format": ""
+        }]
+}

hack/test-cmd.sh

@@ -198,6 +198,7 @@ __EOF__
   hyper::test::imagevolume
   hyper::test::force_kill_container
   hyper::test::container_logs_no_newline
+  hyper::test::container_readonly_rootfs_and_volume
 
   stop_hyperd
 }