added support to Lighthouse for new backend

Signed-off-by: Jonathan Roebuck <jroebuck@spotify.com>

plugins/lighthouse-backend/src/index.ts

@@ -14,4 +14,5 @@
  * limitations under the License.
  */
 
-export * from './service/plugin';
+export * from './service/createScheduler';
+export { lighthousePlugin } from './plugin';

plugins/lighthouse-backend/src/plugin.ts

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2023 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { loggerToWinstonLogger } from '@backstage/backend-common';
+import {
+  createBackendPlugin,
+  coreServices,
+} from '@backstage/backend-plugin-api';
+import { CatalogClient } from '@backstage/catalog-client';
+import { createScheduler } from './service/createScheduler';
+
+/**
+ * Lighthouse backend plugin
+ *
+ * @public
+ */
+export const lighthousePlugin = createBackendPlugin({
+  pluginId: 'lighthouse',
+  register(env) {
+    env.registerInit({
+      deps: {
+        config: coreServices.config,
+        discovery: coreServices.discovery,
+        logger: coreServices.logger,
+        scheduler: coreServices.scheduler,
+        tokenManager: coreServices.tokenManager,
+      },
+      async init({ config, discovery, logger, scheduler, tokenManager }) {
+        const winstonLogger = loggerToWinstonLogger(logger);
+        const catalogClient = new CatalogClient({ discoveryApi: discovery });
+
+        await createScheduler({
+          catalogClient,
+          config,
+          logger: winstonLogger,
+          scheduler,
+          tokenManager,
+        });
+      },
+    });
+  },
+});