Automatically generate cloud disk image when updating domains configuration

virtweb_backend/src/libvirt_rest_structures/vm.rs

@@ -142,9 +142,22 @@ impl VMInfo {
             return Err(StructureExtraction("Invalid number of vCPU specified!").into());
         }
 
-        let mut disks = vec![];
+        let mut iso_absolute_files = vec![];
 
-        // Add ISO files
+        // Process cloud init image
+        if self.cloud_init.attach_config {
+            let cloud_init_disk_path = AppConfig::get().cloud_init_disk_path_for_vm(&self.name);
+
+            // Apply latest cloud init configuration
+            std::fs::write(
+                &cloud_init_disk_path,
+                self.cloud_init.generate_nocloud_disk()?,
+            )?;
+
+            iso_absolute_files.push(cloud_init_disk_path);
+        }
+
+        // Process uploaded ISO files
         for iso_file in &self.iso_files {
             if !files_utils::check_file_name(iso_file) {
                 return Err(StructureExtraction("ISO filename is invalid!").into());
@@ -156,6 +169,13 @@ impl VMInfo {
                 return Err(StructureExtraction("Specified ISO file does not exists!").into());
             }
 
+            iso_absolute_files.push(path);
+        }
+
+        let mut disks = vec![];
+
+        // Add ISO disk files
+        for iso_path in iso_absolute_files {
             disks.push(DiskXML {
                 r#type: "file".to_string(),
                 device: "cdrom".to_string(),
@@ -165,7 +185,7 @@ impl VMInfo {
                     cache: "none".to_string(),
                 },
                 source: DiskSourceXML {
-                    file: path.to_string_lossy().to_string(),
+                    file: iso_path.to_string_lossy().to_string(),
                 },
                 target: DiskTargetXML {
                     dev: format!(
@@ -182,6 +202,7 @@ impl VMInfo {
             })
         }
 
+        // Configure VNC access, if requested
         let (vnc_graphics, vnc_video) = match self.vnc_access {
             true => (
                 Some(GraphicsXML {
@@ -495,6 +516,7 @@ impl VMInfo {
                 .iter()
                 .filter(|d| d.device == "cdrom")
                 .map(|d| d.source.file.rsplit_once('/').unwrap().1.to_string())
+                .filter(|d| !d.starts_with(constants::CLOUD_INIT_IMAGE_PREFIX_NAME))
                 .collect(),
 
             file_disks: domain