Automatically generate cloud disk image when updating domains configuration

virtweb_backend/src/app_config.rs

@@ -250,6 +250,19 @@ impl AppConfig {
         self.storage_path().join("iso")
     }
 
+    /// Get the path where generated cloud init disk image are stored
+    pub fn cloud_init_disk_storage_path(&self) -> PathBuf {
+        self.storage_path().join("cloud_init_disks")
+    }
+
+    /// Get the path where the disk image of a VM is stored
+    pub fn cloud_init_disk_path_for_vm(&self, name: &str) -> PathBuf {
+        self.cloud_init_disk_storage_path().join(format!(
+            "{}-{name}.iso",
+            constants::CLOUD_INIT_IMAGE_PREFIX_NAME
+        ))
+    }
+
     /// Get disk images storage directory
     pub fn disk_images_storage_path(&self) -> PathBuf {
         self.storage_path().join("disk_images")