Add image name in VmConfig

Author: kvinwang

dstack-types/src/lib.rs

@@ -151,6 +151,7 @@ pub struct VmConfig {
     pub num_nvswitches: u32,
     #[serde(default)]
     pub hotplug_off: bool,
+    pub image: Option<String>,
 }
 
 #[derive(Serialize, Deserialize, Debug, Clone)]

vmm/src/app.rs

@@ -519,6 +519,7 @@ impl App {
                 num_gpus: gpus.gpus.len() as u32,
                 num_nvswitches: gpus.bridges.len() as u32,
                 hotplug_off: cfg.cvm.qemu_hotplug_off,
+                image: Some(manifest.image.clone()),
             })?;
             json!({
                 "kms_urls": kms_urls,

vmm/src/one_shot.rs

@@ -267,6 +267,7 @@ Compose file content (first 200 chars):
             num_gpus: manifest.gpus.as_ref().map_or(0, |g| g.gpus.len() as u32),
             num_nvswitches: manifest.gpus.as_ref().map_or(0, |g| g.bridges.len() as u32),
             hotplug_off: config.cvm.qemu_hotplug_off,
+            image: Some(manifest.image.clone()),
         })?
     });
     let sys_config_path = vm_work_dir.shared_dir().join(".sys-config.json");