Restore snapshot from onboarding (#7132)

Co-authored-by: Bram Kragten <mail@bramkragten.nl>

hassio/src/components/hassio-upload-snapshot.ts

@@ -13,7 +13,6 @@ import {
 import { fireEvent } from "../../../src/common/dom/fire_event";
 import "../../../src/components/ha-circular-progress";
 import "../../../src/components/ha-svg-icon";
-import { extractApiErrorMessage } from "../../../src/data/hassio/common";
 import {
   HassioSnapshot,
   uploadSnapshot,
@@ -38,12 +37,12 @@ export class HassioUploadSnapshot extends LitElement {
   public render(): TemplateResult {
     return html`
       <ha-file-upload
-        .hass=${this.hass}
         .uploading=${this._uploading}
         .icon=${mdiFolderUpload}
         accept="application/x-tar"
         label="Upload snapshot"
         @file-picked=${this._uploadFile}
+        auto-open-file-dialog
       ></ha-file-upload>
     `;
   }
@@ -55,6 +54,7 @@ export class HassioUploadSnapshot extends LitElement {
       showAlertDialog(this, {
         title: "Unsupported file format",
         text: "Please choose a Home Assistant snapshot file (.tar)",
+        confirmText: "ok",
       });
       return;
     }
@@ -65,7 +65,8 @@ export class HassioUploadSnapshot extends LitElement {
     } catch (err) {
       showAlertDialog(this, {
         title: "Upload failed",
-        text: extractApiErrorMessage(err),
+        text: err.toString(),
+        confirmText: "ok",
       });
     } finally {
       this._uploading = false;

hassio/src/dialogs/snapshot/dialog-hassio-snapshot-upload.ts

@@ -1,4 +1,6 @@
+import { mdiClose } from "@mdi/js";
 import {
+  css,
   CSSResult,
   customElement,
   html,
@@ -8,7 +10,7 @@ import {
   TemplateResult,
 } from "lit-element";
 import { fireEvent } from "../../../../src/common/dom/fire_event";
-import { createCloseHeading } from "../../../../src/components/ha-dialog";
+import "../../../../src/components/ha-header-bar";
 import { HassDialog } from "../../../../src/dialogs/make-dialog-manager";
 import { haStyleDialog } from "../../../../src/resources/styles";
 import type { HomeAssistant } from "../../../../src/types";
@@ -30,7 +32,11 @@ export class DialogHassioSnapshotUpload extends LitElement
   }
 
   public closeDialog(): void {
-    this._params?.reloadSnapshot();
+    if (this._params && !this._params.onboarding) {
+      if (this._params.reloadSnapshot) {
+        this._params.reloadSnapshot();
+      }
+    }
     this._params = undefined;
     fireEvent(this, "dialog-closed", { dialog: this.localName });
   }
@@ -46,9 +52,19 @@ export class DialogHassioSnapshotUpload extends LitElement
         scrimClickAction
         escapeKeyAction
         hideActions
+        .heading=${true}
         @closed=${this.closeDialog}
-        .heading=${createCloseHeading(this.hass, "Upload snapshot")}
       >
+        <div slot="heading">
+          <ha-header-bar>
+            <span slot="title">
+              Upload snapshot
+            </span>
+            <mwc-icon-button slot="actionItems" dialogAction="cancel">
+              <ha-svg-icon .path=${mdiClose}></ha-svg-icon>
+            </mwc-icon-button>
+          </ha-header-bar>
+        </div>
         <hassio-upload-snapshot
           @snapshot-uploaded=${this._snapshotUploaded}
           .hass=${this.hass}
@@ -63,8 +79,24 @@ export class DialogHassioSnapshotUpload extends LitElement
     this.closeDialog();
   }
 
-  static get styles(): CSSResult {
+  static get styles(): CSSResult[] {
-    return haStyleDialog;
+    return [
+      haStyleDialog,
+      css`
+        ha-header-bar {
+          --mdc-theme-on-primary: var(--primary-text-color);
+          --mdc-theme-primary: var(--mdc-theme-surface);
+          flex-shrink: 0;
+        }
+        /* overrule the ha-style-dialog max-height on small screens */
+        @media all and (max-width: 450px), all and (max-height: 500px) {
+          ha-header-bar {
+            --mdc-theme-primary: var(--app-header-background-color);
+            --mdc-theme-on-primary: var(--app-header-text-color, white);
+          }
+        }
+      `,
+    ];
   }
 }
 

hassio/src/dialogs/snapshot/dialog-hassio-snapshot.ts

@@ -1,5 +1,5 @@
 import "@material/mwc-button";
-import { mdiDelete, mdiDownload, mdiHistory } from "@mdi/js";
+import { mdiClose, mdiDelete, mdiDownload, mdiHistory } from "@mdi/js";
 import { PaperCheckboxElement } from "@polymer/paper-checkbox/paper-checkbox";
 import "@polymer/paper-input/paper-input";
 import {
@@ -12,7 +12,8 @@ import {
   property,
   TemplateResult,
 } from "lit-element";
-import { createCloseHeading } from "../../../../src/components/ha-dialog";
+import { fireEvent } from "../../../../src/common/dom/fire_event";
+import "../../../../src/components/ha-header-bar";
 import "../../../../src/components/ha-svg-icon";
 import { getSignedPath } from "../../../../src/data/auth";
 import { extractApiErrorMessage } from "../../../../src/data/hassio/common";
@@ -22,7 +23,7 @@ import {
 } from "../../../../src/data/hassio/snapshot";
 import { showConfirmationDialog } from "../../../../src/dialogs/generic/show-dialog-box";
 import { PolymerChangedEvent } from "../../../../src/polymer-types";
-import { haStyleDialog } from "../../../../src/resources/styles";
+import { haStyle, haStyleDialog } from "../../../../src/resources/styles";
 import { HomeAssistant } from "../../../../src/types";
 import { HassioSnapshotDialogParams } from "./show-dialog-hassio-snapshot";
 
@@ -75,6 +76,8 @@ class HassioSnapshotDialog extends LitElement {
 
   @internalProperty() private _error?: string;
 
+  @internalProperty() private _onboarding = false;
+
   @internalProperty() private _snapshot?: HassioSnapshotDetail;
 
   @internalProperty() private _folders!: FolderItem[];
@@ -90,13 +93,14 @@ class HassioSnapshotDialog extends LitElement {
   public async showDialog(params: HassioSnapshotDialogParams) {
     this._snapshot = await fetchHassioSnapshotInfo(this.hass, params.slug);
     this._folders = _computeFolders(
-      this._snapshot.folders
+      this._snapshot?.folders
     ).sort((a: FolderItem, b: FolderItem) => (a.name > b.name ? 1 : -1));
     this._addons = _computeAddons(
-      this._snapshot.addons
+      this._snapshot?.addons
     ).sort((a: AddonItem, b: AddonItem) => (a.name > b.name ? 1 : -1));
 
     this._dialogParams = params;
+    this._onboarding = params.onboarding ?? false;
   }
 
   protected render(): TemplateResult {
@@ -104,12 +108,17 @@ class HassioSnapshotDialog extends LitElement {
       return html``;
     }
     return html`
-      <ha-dialog
+      <ha-dialog open stacked @closing=${this._closeDialog} .heading=${true}>
-        open
+        <div slot="heading">
-        stacked
+          <ha-header-bar>
-        @closing=${this._closeDialog}
+            <span slot="title">
-        .heading=${createCloseHeading(this.hass, this._computeName)}
+              ${this._computeName}
-      >
+            </span>
+            <mwc-icon-button slot="actionItems" dialogAction="cancel">
+              <ha-svg-icon .path=${mdiClose}></ha-svg-icon>
+            </mwc-icon-button>
+          </ha-header-bar>
+        </div>
         <div class="details">
           ${this._snapshot.type === "full"
             ? "Full snapshot"
@@ -182,11 +191,15 @@ class HassioSnapshotDialog extends LitElement {
         ${this._error ? html` <p class="error">Error: ${this._error}</p> ` : ""}
 
         <div>Actions:</div>
-
+        ${!this._onboarding
-        <mwc-button @click=${this._downloadClicked} slot="primaryAction">
+          ? html`<mwc-button
+              @click=${this._downloadClicked}
+              slot="primaryAction"
+            >
               <ha-svg-icon path=${mdiDownload} class="icon"></ha-svg-icon>
               Download Snapshot
-        </mwc-button>
+            </mwc-button>`
+          : ""}
 
         <mwc-button
           @click=${this._partialRestoreClicked}
@@ -206,16 +219,22 @@ class HassioSnapshotDialog extends LitElement {
               </mwc-button>
             `
           : ""}
-        <mwc-button @click=${this._deleteClicked} slot="secondaryAction">
+        ${!this._onboarding
+          ? html`<mwc-button
+              @click=${this._deleteClicked}
+              slot="secondaryAction"
+            >
               <ha-svg-icon path=${mdiDelete} class="icon warning"></ha-svg-icon>
               <span class="warning">Delete Snapshot</span>
-        </mwc-button>
+            </mwc-button>`
+          : ""}
       </ha-dialog>
     `;
   }
 
   static get styles(): CSSResult[] {
     return [
+      haStyle,
       haStyleDialog,
       css`
         paper-checkbox {
@@ -242,6 +261,18 @@ class HassioSnapshotDialog extends LitElement {
         .no-margin-top {
           margin-top: 0;
         }
+        ha-header-bar {
+          --mdc-theme-on-primary: var(--primary-text-color);
+          --mdc-theme-primary: var(--mdc-theme-surface);
+          flex-shrink: 0;
+        }
+        /* overrule the ha-style-dialog max-height on small screens */
+        @media all and (max-width: 450px), all and (max-height: 500px) {
+          ha-header-bar {
+            --mdc-theme-primary: var(--app-header-background-color);
+            --mdc-theme-on-primary: var(--app-header-text-color, white);
+          }
+        }
       `,
     ];
   }
@@ -272,6 +303,8 @@ class HassioSnapshotDialog extends LitElement {
     if (
       !(await showConfirmationDialog(this, {
         title: "Are you sure you want partially to restore this snapshot?",
+        confirmText: "restore",
+        dismissText: "cancel",
       }))
     ) {
       return;
@@ -300,6 +333,7 @@ class HassioSnapshotDialog extends LitElement {
       data.password = this._snapshotPassword;
     }
 
+    if (!this._onboarding) {
       this.hass
         .callApi(
           "POST",
@@ -316,6 +350,14 @@ class HassioSnapshotDialog extends LitElement {
             this._error = error.body.message;
           }
         );
+    } else {
+      fireEvent(this, "restoring");
+      fetch(`/api/hassio/snapshots/${this._snapshot!.slug}/restore/partial`, {
+        method: "POST",
+        body: JSON.stringify(data),
+      });
+      this._closeDialog();
+    }
   }
 
   private async _fullRestoreClicked() {
@@ -323,6 +365,8 @@ class HassioSnapshotDialog extends LitElement {
       !(await showConfirmationDialog(this, {
         title:
           "Are you sure you want to wipe your system and restore this snapshot?",
+        confirmText: "restore",
+        dismissText: "cancel",
       }))
     ) {
       return;
@@ -331,7 +375,7 @@ class HassioSnapshotDialog extends LitElement {
     const data = this._snapshot!.protected
       ? { password: this._snapshotPassword }
       : undefined;
-
+    if (!this._onboarding) {
       this.hass
         .callApi(
           "POST",
@@ -347,12 +391,22 @@ class HassioSnapshotDialog extends LitElement {
             this._error = error.body.message;
           }
         );
+    } else {
+      fireEvent(this, "restoring");
+      fetch(`/api/hassio/snapshots/${this._snapshot!.slug}/restore/full`, {
+        method: "POST",
+        body: JSON.stringify(data),
+      });
+      this._closeDialog();
+    }
   }
 
   private async _deleteClicked() {
     if (
       !(await showConfirmationDialog(this, {
         title: "Are you sure you want to delete this snapshot?",
+        confirmText: "delete",
+        dismissText: "cancel",
       }))
     ) {
       return;
@@ -363,7 +417,9 @@ class HassioSnapshotDialog extends LitElement {
       .callApi("POST", `hassio/snapshots/${this._snapshot!.slug}/remove`)
       .then(
         () => {
+          if (this._dialogParams!.onDelete) {
             this._dialogParams!.onDelete();
+          }
           this._closeDialog();
         },
         (error) => {

hassio/src/dialogs/snapshot/show-dialog-hassio-snapshot.ts

@@ -2,7 +2,8 @@ import { fireEvent } from "../../../../src/common/dom/fire_event";
 
 export interface HassioSnapshotDialogParams {
   slug: string;
-  onDelete: () => void;
+  onDelete?: () => void;
+  onboarding?: boolean;
 }
 
 export const showHassioSnapshotDialog = (

hassio/src/dialogs/snapshot/show-dialog-snapshot-upload.ts

@@ -3,7 +3,8 @@ import "./dialog-hassio-snapshot-upload";
 
 export interface HassioSnapshotUploadDialogParams {
   showSnapshot: (slug: string) => void;
-  reloadSnapshot: () => Promise<void>;
+  reloadSnapshot?: () => Promise<void>;
+  onboarding?: boolean;
 }
 
 export const showSnapshotUploadDialog = (

src/components/ha-file-upload.ts

@@ -10,11 +10,11 @@ import {
   LitElement,
   property,
   PropertyValues,
+  query,
   TemplateResult,
 } from "lit-element";
 import { classMap } from "lit-html/directives/class-map";
 import { fireEvent } from "../common/dom/fire_event";
-import { HomeAssistant } from "../types";
 import "./ha-circular-progress";
 import "./ha-svg-icon";
 
@@ -26,8 +26,6 @@ declare global {
 
 @customElement("ha-file-upload")
 export class HaFileUpload extends LitElement {
-  public hass!: HomeAssistant;
-
   @property() public accept!: string;
 
   @property() public icon!: string;
@@ -38,8 +36,20 @@ export class HaFileUpload extends LitElement {
 
   @property({ type: Boolean }) private uploading = false;
 
+  @property({ type: Boolean, attribute: "auto-open-file-dialog" })
+  private autoOpenFileDialog = false;
+
   @internalProperty() private _drag = false;
 
+  @query("#input") private _input?: HTMLInputElement;
+
+  protected firstUpdated(changedProperties: PropertyValues) {
+    super.firstUpdated(changedProperties);
+    if (this.autoOpenFileDialog) {
+      this._input?.click();
+    }
+  }
+
   protected updated(changedProperties: PropertyValues) {
     if (changedProperties.has("_drag") && !this.uploading) {
       (this.shadowRoot!.querySelector(

src/components/ha-picture-upload.ts

@@ -41,7 +41,6 @@ export class HaPictureUpload extends LitElement {
   public render(): TemplateResult {
     return html`
       <ha-file-upload
-        .hass=${this.hass}
         .icon=${mdiImagePlus}
         .label=${this.label ||
         this.hass.localize("ui.components.picture-upload.label")}

src/data/discovery.ts

@@ -0,0 +1,17 @@
+export interface DiscoveryInformation {
+  uuid: string;
+  base_url: string | null;
+  external_url: string | null;
+  internal_url: string | null;
+  location_name: string;
+  installation_type: string;
+  requires_api_password: boolean;
+  version: string;
+}
+
+export const fetchDiscoveryInformation = async (): Promise<
+  DiscoveryInformation
+> => {
+  const response = await fetch("/api/discovery_info", { method: "GET" });
+  return await response.json();
+};

src/data/hassio/snapshot.ts

@@ -46,12 +46,20 @@ export const fetchHassioSnapshotInfo = async (
   hass: HomeAssistant,
   snapshot: string
 ) => {
+  if (hass) {
     return hassioApiResultExtractor(
       await hass.callApi<HassioResponse<HassioSnapshotDetail>>(
         "GET",
         `hassio/snapshots/${snapshot}/info`
       )
     );
+  }
+  // When called from onboarding we don't have hass
+  const resp = await fetch(`/api/hassio/snapshots/${snapshot}/info`, {
+    method: "GET",
+  });
+  const data = (await resp.json()).data;
+  return data;
 };
 
 export const reloadHassioSnapshots = async (hass: HomeAssistant) => {
@@ -85,15 +93,25 @@ export const uploadSnapshot = async (
   file: File
 ): Promise<HassioResponse<HassioSnapshot>> => {
   const fd = new FormData();
+  let resp;
   fd.append("file", file);
-  const resp = await hass.fetchWithAuth("/api/hassio/snapshots/new/upload", {
+  if (hass) {
+    resp = await hass.fetchWithAuth("/api/hassio/snapshots/new/upload", {
       method: "POST",
       body: fd,
     });
+  } else {
+    // When called from onboarding we don't have hass
+    resp = await fetch("/api/hassio/snapshots/new/upload", {
+      method: "POST",
+      body: fd,
+    });
+  }
+
   if (resp.status === 413) {
     throw new Error("Uploaded snapshot is too large");
   } else if (resp.status !== 200) {
-    throw new Error("Unknown error");
+    throw new Error(`${resp.status} ${resp.statusText}`);
   }
   return await resp.json();
 };

src/onboarding/ha-onboarding.ts

@@ -1,21 +1,23 @@
 import {
   Auth,
   createConnection,
+  genClientId,
   getAuth,
   subscribeConfig,
-  genClientId,
 } from "home-assistant-js-websocket";
 import {
   customElement,
   html,
-  property,
   internalProperty,
+  property,
   PropertyValues,
   TemplateResult,
 } from "lit-element";
 import { HASSDomEvent } from "../common/dom/fire_event";
+import { extractSearchParamsObject } from "../common/url/search-params";
 import { subscribeOne } from "../common/util/subscribe-one";
-import { hassUrl, AuthUrlSearchParams } from "../data/auth";
+import { AuthUrlSearchParams, hassUrl } from "../data/auth";
+import { fetchDiscoveryInformation } from "../data/discovery";
 import {
   fetchOnboardingOverview,
   OnboardingResponses,
@@ -29,7 +31,6 @@ import { HomeAssistant } from "../types";
 import { registerServiceWorker } from "../util/register-service-worker";
 import "./onboarding-create-user";
 import "./onboarding-loading";
-import { extractSearchParamsObject } from "../common/url/search-params";
 
 type OnboardingEvent =
   | {
@@ -62,6 +63,10 @@ class HaOnboarding extends litLocalizeLiteMixin(HassElement) {
 
   @internalProperty() private _loading = false;
 
+  @internalProperty() private _restoring = false;
+
+  @internalProperty() private _supervisor?: boolean;
+
   @internalProperty() private _steps?: OnboardingStep[];
 
   protected render(): TemplateResult {
@@ -72,10 +77,21 @@ class HaOnboarding extends litLocalizeLiteMixin(HassElement) {
     }
     if (step.step === "user") {
       return html`
-        <onboarding-create-user
+        ${!this._restoring
+          ? html`<onboarding-create-user
               .localize=${this.localize}
               .language=${this.language}
-        ></onboarding-create-user>
+            >
+            </onboarding-create-user>`
+          : ""}
+        ${this._supervisor
+          ? html`<onboarding-restore-snapshot
+              .localize=${this.localize}
+              .restoring=${this._restoring}
+              @restoring=${this._restoringSnapshot}
+            >
+            </onboarding-restore-snapshot>`
+          : ""}
       `;
     }
     if (step.step === "core_config") {
@@ -100,6 +116,7 @@ class HaOnboarding extends litLocalizeLiteMixin(HassElement) {
   protected firstUpdated(changedProps: PropertyValues) {
     super.firstUpdated(changedProps);
     this._fetchOnboardingSteps();
+    this._fetchDiscoveryInformation();
     import(
       /* webpackChunkName: "onboarding-integrations" */ "./onboarding-integrations"
     );
@@ -127,6 +144,32 @@ class HaOnboarding extends litLocalizeLiteMixin(HassElement) {
     return this._steps ? this._steps.find((stp) => !stp.done) : undefined;
   }
 
+  private _restoringSnapshot() {
+    this._restoring = true;
+  }
+
+  private async _fetchDiscoveryInformation(): Promise<void> {
+    try {
+      const response = await fetchDiscoveryInformation();
+      this._supervisor = [
+        "Home Assistant OS",
+        "Home Assistant Supervised",
+      ].includes(response.installation_type);
+      if (this._supervisor) {
+        // Only load if we have supervisor
+        import(
+          /* webpackChunkName: "onboarding-restore-snapshot" */ "./onboarding-restore-snapshot"
+        );
+      }
+    } catch (err) {
+      // eslint-disable-next-line no-console
+      console.error(
+        "Something went wrong loading onboarding-restore-snapshot",
+        err
+      );
+    }
+  }
+
   private async _fetchOnboardingSteps() {
     try {
       const response = await (window.stepsPromise || fetchOnboardingOverview());

src/onboarding/onboarding-restore-snapshot.ts

@@ -0,0 +1,172 @@
+import "@material/mwc-button/mwc-button";
+import {
+  css,
+  CSSResult,
+  customElement,
+  html,
+  internalProperty,
+  LitElement,
+  property,
+  TemplateResult,
+} from "lit-element";
+import "../../hassio/src/components/hassio-ansi-to-html";
+import { showHassioSnapshotDialog } from "../../hassio/src/dialogs/snapshot/show-dialog-hassio-snapshot";
+import { showSnapshotUploadDialog } from "../../hassio/src/dialogs/snapshot/show-dialog-snapshot-upload";
+import { navigate } from "../common/navigate";
+import type { LocalizeFunc } from "../common/translations/localize";
+import "../components/ha-card";
+import { makeDialogManager } from "../dialogs/make-dialog-manager";
+import { ProvideHassLitMixin } from "../mixins/provide-hass-lit-mixin";
+import { haStyle } from "../resources/styles";
+import "./onboarding-loading";
+
+declare global {
+  interface HASSDomEvents {
+    restoring: undefined;
+  }
+}
+
+@customElement("onboarding-restore-snapshot")
+class OnboardingRestoreSnapshot extends ProvideHassLitMixin(LitElement) {
+  @property() public localize!: LocalizeFunc;
+
+  @property() public language!: string;
+
+  @property({ type: Boolean }) private restoring = false;
+
+  @internalProperty() private _log?: string;
+
+  @internalProperty() private _showFullLog = false;
+
+  protected render(): TemplateResult {
+    return this.restoring
+      ? html`<ha-card
+          .header=${this.localize(
+            "ui.panel.page-onboarding.restore.in_progress"
+          )}
+        >
+          ${this._log
+            ? this._showFullLog
+              ? html`<hassio-ansi-to-html .content=${this._log}>
+                </hassio-ansi-to-html>`
+              : html`<onboarding-loading></onboarding-loading>
+                  <hassio-ansi-to-html
+                    class="logentry"
+                    .content=${this._lastLogEntry(this._log)}
+                  >
+                  </hassio-ansi-to-html>`
+            : ""}
+          <div class="card-actions">
+            <mwc-button @click=${this._toggeFullLog}>
+              ${this._showFullLog
+                ? this.localize("ui.panel.page-onboarding.restore.hide_log")
+                : this.localize("ui.panel.page-onboarding.restore.show_log")}
+            </mwc-button>
+          </div>
+        </ha-card>`
+      : html`
+          <button class="link" @click=${this._uploadSnapshot}>
+            ${this.localize("ui.panel.page-onboarding.restore.description")}
+          </button>
+        `;
+  }
+
+  private _toggeFullLog(): void {
+    this._showFullLog = !this._showFullLog;
+  }
+
+  private _filterLogs(logs: string): string {
+    // Filter out logs that is not relevant to show during the restore
+    return logs
+      .split("\n")
+      .filter(
+        (entry) =>
+          !entry.includes("/supervisor/logs") &&
+          !entry.includes("/supervisor/ping") &&
+          !entry.includes("DEBUG")
+      )
+      .join("\n")
+      .replace(/\s[A-Z]+\s\(\w+\)\s\[[\w.]+\]/gi, "")
+      .replace(/\d{2}-\d{2}-\d{2}\s/gi, "");
+  }
+
+  private _lastLogEntry(logs: string): string {
+    return logs
+      .split("\n")
+      .slice(-2)[0]
+      .replace(/\d{2}:\d{2}:\d{2}\s/gi, "");
+  }
+
+  private _uploadSnapshot(): void {
+    showSnapshotUploadDialog(this, {
+      showSnapshot: (slug: string) => this._showSnapshotDialog(slug),
+      onboarding: true,
+    });
+  }
+
+  protected firstUpdated(changedProps) {
+    super.firstUpdated(changedProps);
+    makeDialogManager(this, this.shadowRoot!);
+    setInterval(() => this._getLogs(), 1000);
+  }
+
+  private async _getLogs(): Promise<void> {
+    if (this.restoring) {
+      try {
+        const response = await fetch("/api/hassio/supervisor/logs", {
+          method: "GET",
+        });
+        const logs = await response.text();
+        this._log = this._filterLogs(logs);
+        if (this._log.match(/\d{2}:\d{2}:\d{2}\s.*Restore\s\w+\sdone/)) {
+          // The log indicates that the restore done, navigate the user back to base
+          navigate(this, "/", true);
+          location.reload();
+        }
+      } catch (err) {
+        this._log = err.toString();
+      }
+    }
+  }
+
+  private _showSnapshotDialog(slug: string): void {
+    showHassioSnapshotDialog(this, {
+      slug,
+      onboarding: true,
+    });
+  }
+
+  static get styles(): CSSResult[] {
+    return [
+      haStyle,
+      css`
+        .logentry {
+          text-align: center;
+        }
+        ha-card {
+          padding: 4px;
+          margin-top: 8px;
+        }
+        hassio-ansi-to-html {
+          display: block;
+          line-height: 22px;
+          padding: 0 8px;
+          white-space: pre-wrap;
+        }
+
+        @media all and (min-width: 600px) {
+          ha-card {
+            width: 600px;
+            margin-left: -100px;
+          }
+        }
+      `,
+    ];
+  }
+}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    "onboarding-restore-snapshot": OnboardingRestoreSnapshot;
+  }
+}

src/translations/en.json

@@ -2827,6 +2827,12 @@
           "intro": "Devices and services are represented in Home Assistant as integrations. You can set them up now, or do it later from the configuration screen.",
           "more_integrations": "More",
           "finish": "Finish"
+        },
+        "restore": {
+          "description": "Alternatively you can restore from a previous snapshot.",
+          "in_progress": "Restore in progress",
+          "show_log": "Show full log",
+          "hide_log": "Hide full log"
         }
       },
       "custom": {