feat add rdev/rnodev recursive mount test

Signed-off-by: lengrongfu <1275177125@qq.com>

tests/rust-integration-tests/integration_test/src/tests/mounts_recursive/mod.rs

@@ -243,16 +243,60 @@ fn check_recursive_noexec() -> TestResult {
     result
 }
 
+fn check_recursive_rdev() -> TestResult {
+    let rdev_base_dir = PathBuf::from_str("/dev").unwrap();
+    let mount_dest_path = PathBuf::from_str("/rdev").unwrap();
+
+    let mount_options = vec!["rbind".to_string(), "rdev".to_string()];
+    let mut mount_spec = Mount::default();
+    mount_spec
+        .set_destination(mount_dest_path)
+        .set_typ(None)
+        .set_source(Some(rdev_base_dir.clone()))
+        .set_options(Some(mount_options));
+    let spec = get_spec(
+        vec![mount_spec],
+        vec!["runtimetest".to_string(), "mounts_recursive".to_string()],
+    );
+
+    let result = test_inside_container(spec, &|_| Ok(()));
+    result
+}
+
+fn check_recursive_rnodev() -> TestResult {
+    let rnodev_base_dir = PathBuf::from_str("/dev").unwrap();
+    let mount_dest_path = PathBuf::from_str("/rnodev").unwrap();
+
+    let mount_options = vec!["rbind".to_string(), "rnodev".to_string()];
+    let mut mount_spec = Mount::default();
+    mount_spec
+        .set_destination(mount_dest_path)
+        .set_typ(None)
+        .set_source(Some(rnodev_base_dir.clone()))
+        .set_options(Some(mount_options));
+    let spec = get_spec(
+        vec![mount_spec],
+        vec!["runtimetest".to_string(), "mounts_recursive".to_string()],
+    );
+
+    let result = test_inside_container(spec, &|_| Ok(()));
+    result
+}
+
 pub fn get_mounts_recursive_test() -> TestGroup {
     let rro_test = Test::new("rro_test", Box::new(check_recursive_readonly));
     let rnosuid_test = Test::new("rnosuid_test", Box::new(check_recursive_nosuid));
     let rnoexec_test = Test::new("rnoexec_test", Box::new(check_recursive_noexec));
+    let rdev_test = Test::new("rdev_test", Box::new(check_recursive_rdev));
+    let rnodev_test = Test::new("rnodev_test", Box::new(check_recursive_rnodev));
 
     let mut tg = TestGroup::new("mounts_recursive");
     tg.add(vec![
         Box::new(rro_test),
         Box::new(rnosuid_test),
         Box::new(rnoexec_test),
+        Box::new(rdev_test),
+        Box::new(rnodev_test),
     ]);
 
     tg

tests/rust-integration-tests/integration_test/src/utils/test_utils.rs

@@ -199,6 +199,13 @@ pub fn test_inside_container(
         .context("getting output after starting the container failed")
         .unwrap();
 
+    let stdout = String::from_utf8_lossy(&create_output.stdout);
+    if !stdout.is_empty() {
+        println!(
+            "{:?}",
+            anyhow!("container stdout was not empty, found : {}", stdout)
+        )
+    }
     let stderr = String::from_utf8_lossy(&create_output.stderr);
     if !stderr.is_empty() {
         return TestResult::Failed(anyhow!(

tests/rust-integration-tests/runtimetest/src/tests.rs

@@ -131,6 +131,23 @@ pub fn validate_mounts_recursive(spec: &Spec) {
                                 eprintln!("error in testing rnoexec recursive mounting: {e}");
                             }
                         }
+                        "rdev" => {
+                            println!("test_device_access: {:?}", mount);
+                            let rest =
+                                utils::test_device_access(mount.destination().to_str().unwrap());
+                            if let Err(e) = rest {
+                                eprintln!("error in testing rdev recursive mounting: {e}");
+                            }
+                        }
+                        "rnodev" => {
+                            println!("test_device_unaccess: {:?}", mount);
+                            let rest =
+                                utils::test_device_unaccess(mount.destination().to_str().unwrap());
+                            if rest.is_ok() {
+                                // beacuse /rnodev/null device not access,so rest is err
+                                eprintln!("error in testing rnodev recursive mounting");
+                            }
+                        }
                         _ => {}
                     }
                 }

tests/rust-integration-tests/runtimetest/src/utils.rs

@@ -85,3 +85,21 @@ pub fn test_file_executable(path: &str) -> Result<(), std::io::Error> {
         format!("{path:?} is directory, so cannot execute"),
     ))
 }
+
+pub fn test_device_access(path: &str) -> Result<(), std::io::Error> {
+    println!("test_device_access path: {:?}", path);
+    let _ = std::fs::OpenOptions::new()
+        .create(true)
+        .write(true)
+        .open(PathBuf::from(path).join("null"))?;
+    Ok(())
+}
+
+pub fn test_device_unaccess(path: &str) -> Result<(), std::io::Error> {
+    println!("test_device_unaccess path: {:?}", path);
+    let _ = std::fs::OpenOptions::new()
+        .create(true)
+        .write(true)
+        .open(PathBuf::from(path).join("null"))?;
+    Ok(())
+}