Start to auto-fill cloudinit fields

virtweb_frontend/package-lock.json

@@ -29,7 +29,8 @@
         "react-syntax-highlighter": "^15.6.1",
         "react-vnc": "^3.1.0",
         "uuid": "^11.1.0",
-        "xml-formatter": "^3.6.6"
+        "xml-formatter": "^3.6.6",
+        "yaml": "^2.8.0"
       },
       "devDependencies": {
         "@eslint/js": "^9.27.0",

virtweb_frontend/package.json

@@ -31,7 +31,8 @@
     "react-syntax-highlighter": "^15.6.1",
     "react-vnc": "^3.1.0",
     "uuid": "^11.1.0",
-    "xml-formatter": "^3.6.6"
+    "xml-formatter": "^3.6.6",
+    "yaml": "^2.8.0"
   },
   "devDependencies": {
     "@eslint/js": "^9.27.0",

virtweb_frontend/src/widgets/forms/CloudInitEditor.tsx

@@ -2,7 +2,9 @@ import Editor from "@monaco-editor/react";
 import BookIcon from "@mui/icons-material/Book";
 import RefreshIcon from "@mui/icons-material/Refresh";
 import { Grid, IconButton, InputAdornment, Tooltip } from "@mui/material";
+import React from "react";
 import { v4 as uuidv4 } from "uuid";
+import YAML from "yaml";
 import { VMInfo } from "../../api/VMApi";
 import { RouterLink } from "../RouterLink";
 import { CheckboxInput } from "./CheckboxInput";
@@ -44,6 +46,10 @@ export function CloudInitEditor(p: CloudInitProps): React.ReactElement {
           {...p}
           editable={p.editable && p.vm.cloud_init.attach_config}
         />
+        <CloudInitUserDataAssistant
+          {...p}
+          editable={p.editable && p.vm.cloud_init.attach_config}
+        />
       </Grid>
     </>
   );
@@ -183,3 +189,76 @@ function CloudInitNetworkConfig(p: CloudInitProps): React.ReactElement {
     </EditSection>
   );
 }
+
+function CloudInitUserDataAssistant(p: CloudInitProps): React.ReactElement {
+  const user_data = React.useMemo(() => {
+    return YAML.parseDocument(p.vm.cloud_init.user_data);
+  }, [p.vm.cloud_init.user_data]);
+
+  const onChange = () => {
+    p.vm.cloud_init.user_data = user_data.toString();
+
+    if (!p.vm.cloud_init.user_data.startsWith("#cloud-config"))
+      p.vm.cloud_init.user_data = `#cloud-config\n${p.vm.cloud_init.user_data}`;
+
+    p.onChange?.();
+  };
+
+  return (
+    <EditSection title="User data assistant">
+      <CloudInitTextInput
+        editable={p.editable}
+        name="Default user password"
+        refUrl="https://cloudinit.readthedocs.io/en/latest/reference/modules.html#set-passwords"
+        attrPath={["password"]}
+        onChange={onChange}
+        yaml={user_data}
+      />
+      <CloudInitTextInput
+        editable={p.editable}
+        name="Keyboard layout"
+        refUrl="https://cloudinit.readthedocs.io/en/latest/reference/modules.html#keyboard"
+        attrPath={["keyboard", "layout"]}
+        onChange={onChange}
+        yaml={user_data}
+      />
+      <CloudInitTextInput
+        editable={p.editable}
+        name="Final message"
+        refUrl="https://cloudinit.readthedocs.io/en/latest/reference/modules.html#final-message"
+        attrPath={["final_message"]}
+        onChange={onChange}
+        yaml={user_data}
+      />
+    </EditSection>
+  );
+}
+
+function CloudInitTextInput(p: {
+  editable: boolean;
+  name: string;
+  refUrl: string;
+  attrPath: Iterable<unknown>;
+  yaml: YAML.Document;
+  onChange: () => void;
+}): React.ReactElement {
+  return (
+    <TextInput
+      editable={p.editable}
+      label={p.name}
+      value={String(p.yaml.getIn(p.attrPath) ?? "")}
+      onValueChange={(v) => {
+        if (v !== undefined) p.yaml.setIn(p.attrPath, v);
+        else p.yaml.deleteIn(p.attrPath);
+        p.onChange?.();
+      }}
+      endAdornment={
+        <RouterLink to={p.refUrl} target="_blank">
+          <IconButton size="small">
+            <BookIcon />
+          </IconButton>
+        </RouterLink>
+      }
+    />
+  );
+}