Can create NAT networks

virtweb_backend/src/actors/libvirt_actor.rs

@@ -107,17 +107,24 @@ impl Handler<DefineDomainReq> for LibVirtActor {
     type Result = anyhow::Result<XMLUuid>;
 
     fn handle(&mut self, mut msg: DefineDomainReq, _ctx: &mut Self::Context) -> Self::Result {
-        // A issue with the disks definition serialization needs them to be serialized aside
+        // A issue with the disks & network interface definition serialization needs them to be serialized aside
-        let mut disks_xml = Vec::with_capacity(msg.0.devices.disks.len());
+        let mut devices_xml = Vec::with_capacity(msg.0.devices.disks.len());
         for disk in msg.0.devices.disks {
             let disk_xml = serde_xml_rs::to_string(&disk)?;
             let start_offset = disk_xml.find("<disk").unwrap();
-            disks_xml.push(disk_xml[start_offset..].to_string());
+            devices_xml.push(disk_xml[start_offset..].to_string());
         }
+        for network in msg.0.devices.net_interfaces {
+            let network_xml = serde_xml_rs::to_string(&network)?;
+            let start_offset = network_xml.find("<interface").unwrap();
+            devices_xml.push(network_xml[start_offset..].to_string());
+        }
+
         msg.0.devices.disks = vec![];
+        msg.0.devices.net_interfaces = vec![];
 
         let mut xml = serde_xml_rs::to_string(&msg.0)?;
-        let disks_xml = disks_xml.join("\n");
+        let disks_xml = devices_xml.join("\n");
         xml = xml.replacen("<devices>", &format!("<devices>{disks_xml}"), 1);
 
         log::debug!("Define domain:\n{}", xml);

virtweb_backend/src/libvirt_lib_structures.rs

@@ -63,6 +63,13 @@ pub struct FeaturesXML {
 #[serde(rename = "acpi")]
 pub struct ACPIXML {}
 
+#[derive(serde::Serialize, serde::Deserialize)]
+#[serde(rename = "interface")]
+pub struct DomainNetInterfaceXML {
+    #[serde(rename(serialize = "@type"))]
+    pub r#type: String,
+}
+
 /// Devices information
 #[derive(serde::Serialize, serde::Deserialize)]
 #[serde(rename = "devices")]
@@ -74,6 +81,10 @@ pub struct DevicesXML {
     /// Disks (used for storage)
     #[serde(default, rename = "disk", skip_serializing_if = "Vec::is_empty")]
     pub disks: Vec<DiskXML>,
+
+    /// Networks cards
+    #[serde(default, rename = "interface", skip_serializing_if = "Vec::is_empty")]
+    pub net_interfaces: Vec<DomainNetInterfaceXML>,
 }
 
 /// Screen information
@@ -276,7 +287,7 @@ pub struct NetworkDNSXML {
 
 /// Network DNS information
 #[derive(serde::Serialize, serde::Deserialize, Debug)]
-#[serde(rename = "fowarder")]
+#[serde(rename = "forwarder")]
 pub struct NetworkDNSForwarderXML {
     /// Address of the DNS server
     #[serde(rename(serialize = "@addr"))]

virtweb_backend/src/libvirt_rest_structures.rs

@@ -2,10 +2,10 @@ use crate::app_config::AppConfig;
 use crate::constants;
 use crate::libvirt_lib_structures::{
     DevicesXML, DiskBootXML, DiskDriverXML, DiskReadOnlyXML, DiskSourceXML, DiskTargetXML, DiskXML,
-    DomainCPUTopology, DomainCPUXML, DomainMemoryXML, DomainVCPUXML, DomainXML, FeaturesXML,
+    DomainCPUTopology, DomainCPUXML, DomainMemoryXML, DomainNetInterfaceXML, DomainVCPUXML,
-    GraphicsXML, NetworkDHCPRangeXML, NetworkDHCPXML, NetworkDNSForwarderXML, NetworkDNSXML,
+    DomainXML, FeaturesXML, GraphicsXML, NetworkDHCPRangeXML, NetworkDHCPXML,
-    NetworkDomainXML, NetworkForwardXML, NetworkIPXML, NetworkXML, OSLoaderXML, OSTypeXML, XMLUuid,
+    NetworkDNSForwarderXML, NetworkDNSXML, NetworkDomainXML, NetworkForwardXML, NetworkIPXML,
-    ACPIXML, OSXML,
+    NetworkXML, OSLoaderXML, OSTypeXML, XMLUuid, ACPIXML, OSXML,
 };
 use crate::libvirt_rest_structures::LibVirtStructError::StructureExtraction;
 use crate::utils::disks_utils::Disk;
@@ -64,6 +64,13 @@ pub enum VMArchitecture {
     X86_64,
 }
 
+#[derive(serde::Serialize, serde::Deserialize)]
+#[serde(tag = "type")]
+pub enum Network {
+    UserspaceSLIRPStack,
+    // TODO : complete network types
+}
+
 #[derive(serde::Serialize, serde::Deserialize)]
 pub struct VMInfo {
     /// VM name (alphanumeric characters only)
@@ -84,7 +91,8 @@ pub struct VMInfo {
     pub iso_file: Option<String>,
     /// Storage - https://access.redhat.com/documentation/fr-fr/red_hat_enterprise_linux/6/html/virtualization_administration_guide/sect-virtualization-virtualized_block_devices-adding_storage_devices_to_guests#sect-Virtualization-Adding_storage_devices_to_guests-Adding_file_based_storage_to_a_guest
     pub disks: Vec<Disk>,
-    // TODO : network interfaces
+    /// Network cards
+    pub networks: Vec<Network>,
 }
 
 impl VMInfo {
@@ -213,6 +221,15 @@ impl VMInfo {
             })
         }
 
+        let mut networks = vec![];
+        for n in self.networks {
+            networks.push(match n {
+                Network::UserspaceSLIRPStack => DomainNetInterfaceXML {
+                    r#type: "user".to_string(),
+                },
+            })
+        }
+
         Ok(DomainXML {
             r#type: "kvm".to_string(),
             name: self.name,
@@ -245,6 +262,7 @@ impl VMInfo {
             devices: DevicesXML {
                 graphics: vnc_graphics,
                 disks,
+                net_interfaces: networks,
             },
 
             memory: DomainMemoryXML {
@@ -319,6 +337,18 @@ impl VMInfo {
                 .filter(|d| d.device == "disk")
                 .map(|d| Disk::load_from_file(&d.source.file).unwrap())
                 .collect(),
+
+            networks: domain
+                .devices
+                .net_interfaces
+                .iter()
+                .map(|d| match d.r#type.as_str() {
+                    "user" => Ok(Network::UserspaceSLIRPStack),
+                    a => Err(LibVirtStructError::DomainExtraction(format!(
+                        "Unknown network interface type: {a}! "
+                    ))),
+                })
+                .collect::<Result<Vec<_>, _>>()?,
         })
     }
 }

virtweb_frontend/src/api/VMApi.ts

@@ -30,6 +30,12 @@ export interface VMDisk {
   deleteType?: "keepfile" | "deletefile";
 }
 
+export type VMNetInterface = VMNetUserspaceSLIRPStack;
+
+export interface VMNetUserspaceSLIRPStack {
+  type: "UserspaceSLIRPStack";
+}
+
 interface VMInfoInterface {
   name: string;
   uuid?: string;
@@ -43,6 +49,7 @@ interface VMInfoInterface {
   vnc_access: boolean;
   iso_file?: string;
   disks: VMDisk[];
+  networks: VMNetInterface[];
 }
 
 export class VMInfo implements VMInfoInterface {
@@ -58,6 +65,7 @@ export class VMInfo implements VMInfoInterface {
   vnc_access: boolean;
   iso_file?: string;
   disks: VMDisk[];
+  networks: VMNetUserspaceSLIRPStack[];
 
   constructor(int: VMInfoInterface) {
     this.name = int.name;
@@ -72,6 +80,7 @@ export class VMInfo implements VMInfoInterface {
     this.vnc_access = int.vnc_access;
     this.iso_file = int.iso_file;
     this.disks = int.disks;
+    this.networks = int.networks;
   }
 
   static NewEmpty(): VMInfo {
@@ -83,6 +92,7 @@ export class VMInfo implements VMInfoInterface {
       number_vcpu: 1,
       vnc_access: true,
       disks: [],
+      networks: [],
     });
   }
 

virtweb_frontend/src/widgets/forms/SelectInput.tsx

@@ -1,9 +1,16 @@
-import { FormControl, InputLabel, MenuItem, Select } from "@mui/material";
+import {
+  FormControl,
+  InputLabel,
+  MenuItem,
+  Select,
+  Typography,
+} from "@mui/material";
 import { TextInput } from "./TextInput";
 
 export interface SelectOption {
   value?: string;
   label: string;
+  description?: string;
 }
 
 export function SelectInput(p: {
@@ -33,7 +40,18 @@ export function SelectInput(p: {
             value={e.value}
             style={{ fontStyle: e.value === undefined ? "italic" : undefined }}
           >
-            {e.label}
+            <div>
+              {e.label}
+              {e.description && (
+                <Typography
+                  component={"div"}
+                  variant="caption"
+                  style={{ whiteSpace: "normal" }}
+                >
+                  {e.description}
+                </Typography>
+              )}
+            </div>
           </MenuItem>
         ))}
       </Select>

virtweb_frontend/src/widgets/forms/VMNetworksList.tsx

@@ -0,0 +1,116 @@
+import { mdiNetworkOutline } from "@mdi/js";
+import Icon from "@mdi/react";
+import DeleteIcon from "@mui/icons-material/Delete";
+import {
+  Avatar,
+  Button,
+  IconButton,
+  ListItem,
+  ListItemAvatar,
+  ListItemText,
+  Tooltip,
+} from "@mui/material";
+import { VMInfo, VMNetInterface } from "../../api/VMApi";
+import { useConfirm } from "../../hooks/providers/ConfirmDialogProvider";
+import { SelectInput } from "./SelectInput";
+
+export function VMNetworksList(p: {
+  vm: VMInfo;
+  onChange?: () => void;
+  editable: boolean;
+}): React.ReactElement {
+  const addNew = () => {
+    p.vm.networks.push({ type: "UserspaceSLIRPStack" });
+    p.onChange?.();
+  };
+
+  return (
+    <>
+      {/* networks list */}
+      {p.vm.networks.map((n, num) => (
+        <NetworkInfo
+          key={num}
+          editable={p.editable}
+          network={n}
+          onChange={p.onChange}
+          removeFromList={() => {
+            p.vm.networks.splice(num, 1);
+            p.onChange?.();
+          }}
+        />
+      ))}
+
+      {p.editable && (
+        <Button onClick={addNew}>Add a new network interface</Button>
+      )}
+    </>
+  );
+}
+
+function NetworkInfo(p: {
+  editable: boolean;
+  network: VMNetInterface;
+  onChange?: () => void;
+  removeFromList: () => void;
+}): React.ReactElement {
+  const confirm = useConfirm();
+  const deleteNetwork = async () => {
+    if (
+      !(await confirm("Do you really want to remove this network interface?"))
+    )
+      return;
+
+    p.removeFromList();
+    p.onChange?.();
+  };
+
+  return (
+    <div>
+      <ListItem
+        secondaryAction={
+          p.editable && (
+            <IconButton
+              edge="end"
+              aria-label="remove network"
+              onClick={deleteNetwork}
+            >
+              <Tooltip title="Remove network">
+                <DeleteIcon />
+              </Tooltip>
+            </IconButton>
+          )
+        }
+      >
+        <ListItemAvatar>
+          <Avatar>
+            <Icon path={mdiNetworkOutline} />
+          </Avatar>
+        </ListItemAvatar>
+        <ListItemText
+          primary={
+            p.editable ? (
+              <SelectInput
+                label=""
+                editable
+                value={p.network.type}
+                onValueChange={(v) => {
+                  p.network.type = v as any;
+                }}
+                options={[
+                  {
+                    label: "Userspace SLIRP stack",
+                    value: "UserspaceSLIRPStack",
+                    description:
+                      "Provides a virtual LAN with NAT to the outside world. The virtual network has DHCP & DNS services",
+                  },
+                ]}
+              />
+            ) : (
+              p.network.type
+            )
+          }
+        />
+      </ListItem>
+    </div>
+  );
+}

virtweb_frontend/src/widgets/vms/VMDetails.tsx

@@ -13,6 +13,7 @@ import { VMDisksList } from "../forms/VMDisksList";
 import { VMSelectIsoInput } from "../forms/VMSelectIsoInput";
 import { VMScreenshot } from "./VMScreenshot";
 import { ResAutostartInput } from "../forms/ResAutostartInput";
+import { VMNetworksList } from "../forms/VMNetworksList";
 
 interface DetailsProps {
   vm: VMInfo;
@@ -202,6 +203,11 @@ function VMDetailsInner(
         />
         <VMDisksList vm={p.vm} editable={p.editable} onChange={p.onChange} />
       </EditSection>
+
+      {/* Networks section */}
+      <EditSection title="Networks">
+        <VMNetworksList vm={p.vm} editable={p.editable} onChange={p.onChange} />
+      </EditSection>
     </Grid>
   );
 }