Redirect legacy notebooks URL to current observability one

public/components/notebooks/components/__test__/legacy_route_helpers.test.ts

@@ -0,0 +1,50 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+import { RedirectProps } from "react-router-dom";
+import { convertLegacyNotebooksUrl } from "../helpers/legacy_route_helpers";
+
+describe('Test legacy route helpers', () => {
+  it('converts legacy notebooks url', () => {
+    const locations = [
+      {
+        pathname: '/app/notebooks-dashboards',
+        search: '',
+        hash: '#/GQ5icXwBJCegTOBKO4Um',
+      },
+      {
+        pathname: '/app/notebooks-dashboards',
+        search: '?view=view_both',
+        hash: '#/clPiPXwBEM7l9gC0xTpA',
+      },
+      {
+        pathname: '/testBasePath/app/notebooks-dashboards',
+        search: '?view=output_only&security_tenant=global',
+        hash: `#/GQ5icXwBJCegTOBKO4Um?_g=(time:(from:'2021-10-15T20:25:09.556Z',to:'2021-10-15T20:55:09.556Z'))`,
+      },
+    ] as Location[];
+    const expected = [
+      {
+        pathname: '/app/observability',
+        hash: '#/notebooks/GQ5icXwBJCegTOBKO4Um'
+      },
+      {
+        pathname: '/app/observability',
+        hash: '#/notebooks/clPiPXwBEM7l9gC0xTpA?view=view_both'
+      },
+      {
+        pathname: '/testBasePath/app/observability',
+        hash: `#/notebooks/GQ5icXwBJCegTOBKO4Um?_g=(time:(from:'2021-10-15T20:25:09.556Z',to:'2021-10-15T20:55:09.556Z'))&view=output_only&security_tenant=global`
+      },
+    ] as RedirectProps['to'][] 
+    expect(locations.map((location) => convertLegacyNotebooksUrl(location))).toEqual(expected);
+  });
+});

public/components/notebooks/components/helpers/legacy_route_helpers.ts

@@ -0,0 +1,20 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+import { RedirectProps } from 'react-router-dom';
+
+export const convertLegacyNotebooksUrl = (location: Location): RedirectProps['to'] => {
+  const pathname = location.pathname.replace('notebooks-dashboards', 'observability');
+  const hash = `#/notebooks${location.hash.replace(/^#/, '')}${
+    location.hash.includes('?') ? location.search.replace(/^\?/, '&') : location.search
+  }`;
+  return { pathname, hash };
+};

public/components/notebooks/components/legacy_route.tsx

@@ -0,0 +1,28 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ *
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+import React from 'react';
+import ReactDOM from 'react-dom';
+import { BrowserRouter, Redirect, Switch } from 'react-router-dom';
+import { AppMountParameters } from '../../../../../../src/core/public';
+import { convertLegacyNotebooksUrl } from './helpers/legacy_route_helpers';
+
+export const LegacyRoute = (AppMountParameters: AppMountParameters) => {
+  ReactDOM.render(
+    <BrowserRouter forceRefresh={true}>
+      <Switch>
+        <Redirect from="/" to={convertLegacyNotebooksUrl(window.location)} />
+      </Switch>
+    </BrowserRouter>,
+    AppMountParameters.element
+  );
+  return () => ReactDOM.unmountComponentAtNode(AppMountParameters.element);
+};

public/plugin.ts

@@ -50,6 +50,16 @@ export class ObservabilityPlugin implements Plugin<ObservabilitySetup, Observabi
         },
       });
 
+      // redirect legacy notebooks URL to current URL under observability
+      core.application.register({
+        id: "notebooks-dashboards",
+        title: "",
+        async mount(params: AppMountParameters) {
+          const { LegacyRoute } = await import('./components/notebooks/components/legacy_route');
+          return LegacyRoute(params)
+        }
+      });
+
       // Return methods that should be available to other plugins
       return {};
     }