Simplify raw disks definition

virtweb_backend/src/controllers/disk_images_controller.rs

@@ -1,6 +1,8 @@
 use crate::app_config::AppConfig;
 use crate::constants;
-use crate::controllers::HttpResult;
+use crate::controllers::{HttpResult, LibVirtReq};
+use crate::libvirt_lib_structures::XMLUuid;
+use crate::libvirt_rest_structures::vm::VMInfo;
 use crate::utils::file_disks_utils::{DiskFileFormat, DiskFileInfo};
 use crate::utils::files_utils;
 use actix_files::NamedFile;
@@ -107,6 +109,61 @@ pub async fn convert(
         return Ok(HttpResponse::BadRequest().json("Invalid src file name!"));
     }
 
+    let src_file_path = AppConfig::get()
+        .disk_images_storage_path()
+        .join(&p.filename);
+
+    let src = DiskFileInfo::load_file(&src_file_path)?;
+
+    handle_convert_request(src, &req).await
+}
+
+#[derive(serde::Deserialize)]
+pub struct BackupVMDiskPath {
+    uid: XMLUuid,
+    diskid: String,
+}
+
+/// Perform disk backup
+pub async fn backup_disk(
+    client: LibVirtReq,
+    path: web::Path<BackupVMDiskPath>,
+    req: web::Json<ConvertDiskImageRequest>,
+) -> HttpResult {
+    // Get the VM information
+    let info = match client.get_single_domain(path.uid).await {
+        Ok(i) => i,
+        Err(e) => {
+            log::error!("Failed to get domain info! {e}");
+            return Ok(HttpResponse::InternalServerError().json(e.to_string()));
+        }
+    };
+
+    let vm = VMInfo::from_domain(info)?;
+
+    // Load disk information
+    let Some(disk) = vm
+        .file_disks
+        .into_iter()
+        .find(|disk| disk.name == path.diskid)
+    else {
+        return Ok(HttpResponse::NotFound()
+            .json(format!("Disk {} not found for vm {}", path.diskid, vm.name)));
+    };
+
+    let src_path = disk.disk_path(vm.uuid.expect("Missing VM uuid!"));
+    let src_disk = DiskFileInfo::load_file(&src_path)?;
+
+    // Perform conversion
+    handle_convert_request(src_disk, &req).await
+}
+
+/// Generic controller code that performs image conversion to create a disk image file
+pub async fn handle_convert_request(
+    src: DiskFileInfo,
+    req: &ConvertDiskImageRequest,
+) -> HttpResult {
+    // Check destination file
     if !files_utils::check_file_name(&req.dest_file_name) {
         return Ok(HttpResponse::BadRequest().json("Invalid destination file name!"));
     }
@@ -119,12 +176,6 @@ pub async fn convert(
         return Ok(HttpResponse::BadRequest().json("Invalid destination file extension!"));
     }
 
-    let src_file_path = AppConfig::get()
-        .disk_images_storage_path()
-        .join(&p.filename);
-
-    let src = DiskFileInfo::load_file(&src_file_path)?;
-
     let dst_file_path = AppConfig::get()
         .disk_images_storage_path()
         .join(&req.dest_file_name);
@@ -141,7 +192,7 @@ pub async fn convert(
         );
     }
 
-    Ok(HttpResponse::Ok().json(src))
+    Ok(HttpResponse::Accepted().json("Successfully converted disk file"))
 }
 
 /// Delete a disk image

virtweb_backend/src/main.rs

@@ -356,6 +356,10 @@ async fn main() -> std::io::Result<()> {
                 "/api/disk_images/{filename}",
                 web::delete().to(disk_images_controller::delete),
             )
+            .route(
+                "/api/vm/{uid}/disk/{diskid}/backup",
+                web::post().to(disk_images_controller::backup_disk),
+            )
             // API tokens controller
             .route(
                 "/api/token/create",

virtweb_backend/src/utils/file_size_utils.rs

@@ -55,7 +55,7 @@ impl FileSize {
             }
         };
 
-        Ok(Self((value as f64).mul(fact) as usize))
+        Ok(Self((value as f64).mul(fact).ceil() as usize))
     }
 
     /// Get file size as bytes

virtweb_backend/src/utils/vm_file_disks_utils.rs

@@ -13,20 +13,13 @@ enum VMDisksError {
     Config(&'static str),
 }
 
-/// Type of disk allocation
-#[derive(Copy, Clone, Debug, serde::Serialize, serde::Deserialize, Eq, PartialEq)]
-pub enum VMDiskAllocType {
-    Fixed,
-    Sparse,
-}
-
 /// Disk allocation type
 #[derive(serde::Serialize, serde::Deserialize)]
 #[serde(tag = "format")]
 pub enum VMDiskFormat {
     Raw {
-        /// Type of disk allocation
+        /// Is raw file a sparse file?
-        alloc_type: VMDiskAllocType,
+        is_sparse: bool,
     },
     QCow2,
 }
@@ -61,12 +54,7 @@ impl VMFileDisk {
             },
 
             format: match info.format {
-                DiskFileFormat::Raw { is_sparse } => VMDiskFormat::Raw {
+                DiskFileFormat::Raw { is_sparse } => VMDiskFormat::Raw { is_sparse },
-                    alloc_type: match is_sparse {
-                        true => VMDiskAllocType::Sparse,
-                        false => VMDiskAllocType::Fixed,
-                    },
-                },
                 DiskFileFormat::QCow2 { .. } => VMDiskFormat::QCow2,
                 _ => anyhow::bail!("Unsupported image format: {:?}", info.format),
             },
@@ -93,7 +81,7 @@ impl VMFileDisk {
         Ok(())
     }
 
-    /// Get disk path
+    /// Get disk path on file system
     pub fn disk_path(&self, id: XMLUuid) -> PathBuf {
         let domain_dir = AppConfig::get().vm_storage_path(id);
         let file_name = match self.format {
@@ -131,9 +119,7 @@ impl VMFileDisk {
         DiskFileInfo::create(
             &file,
             match self.format {
-                VMDiskFormat::Raw { alloc_type } => DiskFileFormat::Raw {
+                VMDiskFormat::Raw { is_sparse } => DiskFileFormat::Raw { is_sparse },
-                    is_sparse: alloc_type == VMDiskAllocType::Sparse,
-                },
                 VMDiskFormat::QCow2 => DiskFileFormat::QCow2 {
                     virtual_size: self.size,
                 },

virtweb_frontend/src/api/ApiClient.ts

@@ -103,6 +103,7 @@ export class APIClient {
         body: body,
         headers: headers,
         credentials: "include",
+        signal: AbortSignal.timeout(50 * 1000 * 1000),
       });
 
       // Process response

virtweb_frontend/src/api/DiskImageApi.ts

@@ -1,4 +1,5 @@
 import { APIClient } from "./ApiClient";
+import { VMFileDisk, VMInfo } from "./VMApi";
 
 export type DiskImageFormat =
   | { format: "Raw"; is_sparse: boolean }
@@ -77,6 +78,22 @@ export class DiskImageApi {
     });
   }
 
+  /**
+   * Backup VM disk into image disks library
+   */
+  static async BackupVMDisk(
+    vm: VMInfo,
+    disk: VMFileDisk,
+    dest_file_name: string,
+    format: DiskImageFormat
+  ): Promise<void> {
+    await APIClient.exec({
+      uri: `/vm/${vm.uuid}/disk/${disk.name}/backup`,
+      method: "POST",
+      jsonData: { ...format, dest_file_name },
+    });
+  }
+
   /**
    * Delete disk image file
    */

virtweb_frontend/src/api/VMApi.ts

@@ -24,16 +24,14 @@ export interface BaseFileVMDisk {
   name: string;
   delete: boolean;
 
-  // application attribute
+  // application attributes
   new?: boolean;
   deleteType?: "keepfile" | "deletefile";
 }
 
-export type DiskAllocType = "Sparse" | "Fixed";
-
 interface RawVMDisk {
   format: "Raw";
-  alloc_type: DiskAllocType;
+  is_sparse: boolean;
 }
 
 interface QCow2Disk {

virtweb_frontend/src/dialogs/ConvertDiskImageDialog.tsx

@@ -9,56 +9,69 @@ import {
 import React from "react";
 import { DiskImage, DiskImageApi, DiskImageFormat } from "../api/DiskImageApi";
 import { ServerApi } from "../api/ServerApi";
+import { VMFileDisk, VMInfo } from "../api/VMApi";
 import { useAlert } from "../hooks/providers/AlertDialogProvider";
 import { useLoadingMessage } from "../hooks/providers/LoadingMessageProvider";
-import { useSnackbar } from "../hooks/providers/SnackbarProvider";
 import { FileDiskImageWidget } from "../widgets/FileDiskImageWidget";
 import { CheckboxInput } from "../widgets/forms/CheckboxInput";
 import { SelectInput } from "../widgets/forms/SelectInput";
 import { TextInput } from "../widgets/forms/TextInput";
+import { VMDiskFileWidget } from "../widgets/vms/VMDiskFileWidget";
 
-export function ConvertDiskImageDialog(p: {
+export function ConvertDiskImageDialog(
-  image: DiskImage;
+  p: {
-  onCancel: () => void;
+    onCancel: () => void;
-  onFinished: () => void;
+    onFinished: () => void;
-}): React.ReactElement {
+  } & (
+    | { backup?: false; image: DiskImage }
+    | { backup: true; disk: VMFileDisk; vm: VMInfo }
+  )
+): React.ReactElement {
   const alert = useAlert();
-  const snackbar = useSnackbar();
   const loadingMessage = useLoadingMessage();
 
   const [format, setFormat] = React.useState<DiskImageFormat>({
     format: "QCow2",
   });
 
-  const [filename, setFilename] = React.useState(p.image.file_name + ".qcow2");
+  const origFilename = p.backup ? p.disk.name : p.image.file_name;
+
+  const [filename, setFilename] = React.useState(origFilename + ".qcow2");
 
   const handleFormatChange = (value?: string) => {
     setFormat({ format: value ?? ("QCow2" as any) });
 
-    if (value === "QCow2") setFilename(`${p.image.file_name}.qcow2`);
+    if (value === "QCow2") setFilename(`${origFilename}.qcow2`);
-    if (value === "CompressedQCow2")
+    if (value === "CompressedQCow2") setFilename(`${origFilename}.qcow2.gz`);
-      setFilename(`${p.image.file_name}.qcow2.gz`);
     if (value === "Raw") {
-      setFilename(`${p.image.file_name}.raw`);
+      setFilename(`${origFilename}.raw`);
       // Check sparse checkbox by default
       setFormat({ format: "Raw", is_sparse: true });
     }
-    if (value === "CompressedRaw") setFilename(`${p.image.file_name}.raw.gz`);
+    if (value === "CompressedRaw") setFilename(`${origFilename}.raw.gz`);
   };
 
   const handleSubmit = async () => {
     try {
-      loadingMessage.show("Converting image...");
+      loadingMessage.show(
+        p.backup ? "Performing backup..." : "Converting image..."
+      );
 
-      // Perform the conversion
+      // Perform the conversion / backup operation
-      await DiskImageApi.Convert(p.image, filename, format);
+      if (p.backup)
+        await DiskImageApi.BackupVMDisk(p.vm, p.disk, filename, format);
+      else await DiskImageApi.Convert(p.image, filename, format);
 
       p.onFinished();
 
-      snackbar("Conversion successful!");
+      alert(p.backup ? "Backup successful!" : "Conversion successful!");
     } catch (e) {
-      console.error("Failed to convert image!", e);
+      console.error("Failed to perform backup/conversion!", e);
-      alert(`Failed to convert image! ${e}`);
+      alert(
+        p.backup
+          ? `Failed to perform backup! ${e}`
+          : `Failed to convert image! ${e}`
+      );
     } finally {
       loadingMessage.hide();
     }
@@ -66,13 +79,21 @@ export function ConvertDiskImageDialog(p: {
 
   return (
     <Dialog open onClose={p.onCancel}>
-      <DialogTitle>Convert disk image</DialogTitle>
+      <DialogTitle>
+        {p.backup ? `Backup disk ${p.disk.name}` : "Convert disk image"}
+      </DialogTitle>
 
       <DialogContent>
         <DialogContentText>
           Select the destination format for this image:
         </DialogContentText>
-        <FileDiskImageWidget image={p.image} />
+
+        {/* Show details of of the image */}
+        {p.backup ? (
+          <VMDiskFileWidget {...p} />
+        ) : (
+          <FileDiskImageWidget {...p} />
+        )}
 
         {/* New image format */}
         <SelectInput
@@ -109,13 +130,13 @@ export function ConvertDiskImageDialog(p: {
             setFilename(s ?? "");
           }}
           size={ServerApi.Config.constraints.disk_image_name_size}
-          helperText="The image name shall contain the proper file extension"
+          helperText="The image name shall contain the proper file extension for the selected target format"
         />
       </DialogContent>
       <DialogActions>
         <Button onClick={p.onCancel}>Cancel</Button>
         <Button onClick={handleSubmit} autoFocus>
-          Convert image
+          {p.backup ? "Perform backup" : "Convert image"}
         </Button>
       </DialogActions>
     </Dialog>

virtweb_frontend/src/routes/VMRoute.tsx

@@ -59,6 +59,7 @@ function VMRouteBody(p: { vm: VMInfo }): React.ReactElement {
       <VMDetails
         vm={p.vm}
         editable={false}
+        state={state}
         screenshot={p.vm.vnc_access && state === "Running"}
       />
     </VirtWebRouteContainer>

virtweb_frontend/src/widgets/forms/VMDisksList.tsx

@@ -1,4 +1,4 @@
-import { mdiHarddisk } from "@mdi/js";
+import { mdiHarddisk, mdiHarddiskPlus } from "@mdi/js";
 import Icon from "@mdi/react";
 import CheckCircleIcon from "@mui/icons-material/CheckCircle";
 import DeleteIcon from "@mui/icons-material/Delete";
@@ -13,17 +13,25 @@ import {
   Tooltip,
 } from "@mui/material";
 import { filesize } from "filesize";
+import React from "react";
 import { ServerApi } from "../../api/ServerApi";
-import { VMFileDisk, VMInfo } from "../../api/VMApi";
+import { VMFileDisk, VMInfo, VMState } from "../../api/VMApi";
+import { ConvertDiskImageDialog } from "../../dialogs/ConvertDiskImageDialog";
 import { useConfirm } from "../../hooks/providers/ConfirmDialogProvider";
+import { CheckboxInput } from "./CheckboxInput";
 import { SelectInput } from "./SelectInput";
 import { TextInput } from "./TextInput";
 
 export function VMDisksList(p: {
   vm: VMInfo;
+  state?: VMState;
   onChange?: () => void;
   editable: boolean;
 }): React.ReactElement {
+  const [currBackupRequest, setCurrBackupRequest] = React.useState<
+    VMFileDisk | undefined
+  >();
+
   const addNewDisk = () => {
     p.vm.file_disks.push({
       format: "QCow2",
@@ -35,6 +43,14 @@ export function VMDisksList(p: {
     p.onChange?.();
   };
 
+  const handleBackupRequest = (disk: VMFileDisk) => {
+    setCurrBackupRequest(disk);
+  };
+
+  const handleFinishBackup = () => {
+    setCurrBackupRequest(undefined);
+  };
+
   return (
     <>
       {/* disks list */}
@@ -43,25 +59,40 @@ export function VMDisksList(p: {
           // eslint-disable-next-line react-x/no-array-index-key
           key={num}
           editable={p.editable}
+          canBackup={!p.editable && !d.new && p.state !== "Running"}
           disk={d}
           onChange={p.onChange}
           removeFromList={() => {
             p.vm.file_disks.splice(num, 1);
             p.onChange?.();
           }}
+          onRequestBackup={handleBackupRequest}
         />
       ))}
 
       {p.editable && <Button onClick={addNewDisk}>Add new disk</Button>}
+
+      {/* Disk backup */}
+      {currBackupRequest && (
+        <ConvertDiskImageDialog
+          backup
+          onCancel={handleFinishBackup}
+          onFinished={handleFinishBackup}
+          vm={p.vm}
+          disk={currBackupRequest}
+        />
+      )}
     </>
   );
 }
 
 function DiskInfo(p: {
   editable: boolean;
+  canBackup: boolean;
   disk: VMFileDisk;
   onChange?: () => void;
   removeFromList: () => void;
+  onRequestBackup: (disk: VMFileDisk) => void;
 }): React.ReactElement {
   const confirm = useConfirm();
   const deleteDisk = async () => {
@@ -88,23 +119,33 @@ function DiskInfo(p: {
     return (
       <ListItem
         secondaryAction={
-          p.editable && (
+          <>
-            <IconButton
+            {p.editable && (
-              edge="end"
+              <IconButton
-              aria-label="delete disk"
+                edge="end"
-              onClick={deleteDisk}
+                aria-label="delete disk"
-            >
+                onClick={deleteDisk}
-              {p.disk.deleteType ? (
+              >
-                <Tooltip title="Cancel disk removal">
+                {p.disk.deleteType ? (
-                  <CheckCircleIcon />
+                  <Tooltip title="Cancel disk removal">
-                </Tooltip>
+                    <CheckCircleIcon />
-              ) : (
+                  </Tooltip>
-                <Tooltip title="Remove disk">
+                ) : (
-                  <DeleteIcon />
+                  <Tooltip title="Remove disk">
-                </Tooltip>
+                    <DeleteIcon />
-              )}
+                  </Tooltip>
-            </IconButton>
+                )}
-          )
+              </IconButton>
+            )}
+
+            {p.canBackup && (
+              <Tooltip title="Backup this disk">
+                <IconButton onClick={() => p.onRequestBackup(p.disk)}>
+                  <Icon path={mdiHarddiskPlus} size={1} />
+                </IconButton>
+              </Tooltip>
+            )}
+          </>
         }
       >
         <ListItemAvatar>
@@ -126,7 +167,9 @@ function DiskInfo(p: {
             </>
           }
           secondary={`${filesize(p.disk.size)} - ${p.disk.format}${
-            p.disk.format == "Raw" ? " - " + p.disk.alloc_type : ""
+            p.disk.format == "Raw"
+              ? " - " + (p.disk.is_sparse ? "Sparse" : "Fixed")
+              : ""
           }`}
         />
       </ListItem>
@@ -178,21 +221,20 @@ function DiskInfo(p: {
         value={p.disk.format}
         onValueChange={(v) => {
           p.disk.format = v as any;
+
+          if (p.disk.format === "Raw") p.disk.is_sparse = true;
+
           p.onChange?.();
         }}
       />
 
       {p.disk.format === "Raw" && (
-        <SelectInput
+        <CheckboxInput
-          editable={true}
+          editable
-          label="File allocation type"
+          label="Sparse file"
-          options={[
+          checked={p.disk.is_sparse}
-            { label: "Sparse allocation", value: "Sparse" },
-            { label: "Fixed allocation", value: "Fixed" },
-          ]}
-          value={p.disk.alloc_type}
           onValueChange={(v) => {
-            if (p.disk.format === "Raw") p.disk.alloc_type = v as any;
+            if (p.disk.format === "Raw") p.disk.is_sparse = v;
             p.onChange?.();
           }}
         />

virtweb_frontend/src/widgets/vms/VMDetails.tsx

@@ -10,7 +10,7 @@ import { IsoFile, IsoFilesApi } from "../../api/IsoFilesApi";
 import { NWFilter, NWFilterApi } from "../../api/NWFilterApi";
 import { NetworkApi, NetworkInfo } from "../../api/NetworksApi";
 import { ServerApi } from "../../api/ServerApi";
-import { VMApi, VMInfo } from "../../api/VMApi";
+import { VMApi, VMInfo, VMState } from "../../api/VMApi";
 import { useAlert } from "../../hooks/providers/AlertDialogProvider";
 import { useConfirm } from "../../hooks/providers/ConfirmDialogProvider";
 import { useSnackbar } from "../../hooks/providers/SnackbarProvider";
@@ -33,6 +33,7 @@ interface DetailsProps {
   editable: boolean;
   onChange?: () => void;
   screenshot?: boolean;
+  state?: VMState | undefined;
 }
 
 export function VMDetails(p: DetailsProps): React.ReactElement {

virtweb_frontend/src/widgets/vms/VMDiskFileWidget.tsx

@@ -0,0 +1,21 @@
+import { mdiHarddisk } from "@mdi/js";
+import { Icon } from "@mdi/react";
+import { Avatar, ListItem, ListItemAvatar, ListItemText } from "@mui/material";
+import { filesize } from "filesize";
+import { VMFileDisk } from "../../api/VMApi";
+
+export function VMDiskFileWidget(p: { disk: VMFileDisk }): React.ReactElement {
+  return (
+    <ListItem>
+      <ListItemAvatar>
+        <Avatar>
+          <Icon path={mdiHarddisk} />
+        </Avatar>
+      </ListItemAvatar>
+      <ListItemText
+        primary={p.disk.name}
+        secondary={`${p.disk.format} - ${filesize(p.disk.size)}`}
+      />
+    </ListItem>
+  );
+}