Add dsmode cloud-init metadata

virtweb_backend/src/utils/cloud_init_utils.rs

@@ -2,6 +2,15 @@ use crate::app_config::AppConfig;
 use crate::constants;
 use std::process::Command;
 
+/// Cloud init DS Mode
+#[derive(Copy, Clone, Debug, serde::Serialize, serde::Deserialize)]
+pub enum CloudInitDSMode {
+    /// Networking is required
+    Net,
+    /// Does not require networking to be up before user-data actions are run
+    Local,
+}
+
 /// VM Cloud Init configuration
 ///
 /// RedHat documentation: https://docs.redhat.com/fr/documentation/red_hat_enterprise_linux/9/html/configuring_and_managing_cloud-init_for_rhel_9/configuring-cloud-init_cloud-content
@@ -17,6 +26,9 @@ pub struct CloudInitConfig {
     /// Local hostname, set in metadata file
     #[serde(skip_serializing_if = "Option::is_none")]
     pub local_hostname: Option<String>,
+    /// Data source mode
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub dsmode: Option<CloudInitDSMode>,
     /// Network configuration
     #[serde(skip_serializing_if = "Option::is_none")]
     pub network_configuration: Option<String>,
@@ -53,6 +65,15 @@ impl CloudInitConfig {
         if let Some(local_hostname) = &self.local_hostname {
             metadatas.push(format!("local-hostname: {}", local_hostname));
         }
+        if let Some(dsmode) = &self.dsmode {
+            metadatas.push(format!(
+                "dsmode: {}",
+                match dsmode {
+                    CloudInitDSMode::Net => "net",
+                    CloudInitDSMode::Local => "local",
+                }
+            ));
+        }
         let meta_data_path = temp_path.path().join("meta-data");
         std::fs::write(&meta_data_path, metadatas.join("\n"))?;
         cmd.arg(meta_data_path);