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index.ts
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index.ts
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/*
* Copyright 2020 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.
*/
/*
* Hi!
*
* Note that this is an EXAMPLE Backstage backend. Please check the README.
*
* Happy hacking!
*/
import Router from 'express-promise-router';
import {
CacheManager,
createServiceBuilder,
getRootLogger,
loadBackendConfig,
notFoundHandler,
DatabaseManager,
SingleHostDiscovery,
UrlReaders,
useHotMemoize,
ServerTokenManager,
} from '@backstage/backend-common';
import { Config } from '@backstage/config';
import healthcheck from './plugins/healthcheck';
import { metricsInit, metricsHandler } from './metrics';
import auth from './plugins/auth';
import azureDevOps from './plugins/azure-devops';
import catalog from './plugins/catalog';
import codeCoverage from './plugins/codecoverage';
import kubernetes from './plugins/kubernetes';
import kafka from './plugins/kafka';
import rollbar from './plugins/rollbar';
import scaffolder from './plugins/scaffolder';
import proxy from './plugins/proxy';
import search from './plugins/search';
import techdocs from './plugins/techdocs';
import techInsights from './plugins/techInsights';
import todo from './plugins/todo';
import graphql from './plugins/graphql';
import app from './plugins/app';
import badges from './plugins/badges';
import jenkins from './plugins/jenkins';
import permission from './plugins/permission';
import { PluginEnvironment } from './types';
import { ServerPermissionClient } from '@backstage/plugin-permission-node';
function makeCreateEnv(config: Config) {
const root = getRootLogger();
const reader = UrlReaders.default({ logger: root, config });
const discovery = SingleHostDiscovery.fromConfig(config);
const tokenManager = ServerTokenManager.fromConfig(config, { logger: root });
const permissions = ServerPermissionClient.create({
discovery,
config,
tokenManager,
});
root.info(`Created UrlReader ${reader}`);
const databaseManager = DatabaseManager.fromConfig(config);
const cacheManager = CacheManager.fromConfig(config);
return (plugin: string): PluginEnvironment => {
const logger = root.child({ type: 'plugin', plugin });
const database = databaseManager.forPlugin(plugin);
const cache = cacheManager.forPlugin(plugin);
return {
logger,
cache,
database,
config,
reader,
discovery,
tokenManager,
permissions,
};
};
}
async function main() {
metricsInit();
const logger = getRootLogger();
logger.info(
`You are running an example backend, which is supposed to be mainly used for contributing back to Backstage. ` +
`Do NOT deploy this to production. Read more here https://backstage.io/docs/getting-started/`,
);
const config = await loadBackendConfig({
argv: process.argv,
logger,
});
const createEnv = makeCreateEnv(config);
const healthcheckEnv = useHotMemoize(module, () => createEnv('healthcheck'));
const catalogEnv = useHotMemoize(module, () => createEnv('catalog'));
const codeCoverageEnv = useHotMemoize(module, () =>
createEnv('code-coverage'),
);
const scaffolderEnv = useHotMemoize(module, () => createEnv('scaffolder'));
const authEnv = useHotMemoize(module, () => createEnv('auth'));
const azureDevOpsEnv = useHotMemoize(module, () => createEnv('azure-devops'));
const proxyEnv = useHotMemoize(module, () => createEnv('proxy'));
const rollbarEnv = useHotMemoize(module, () => createEnv('rollbar'));
const searchEnv = useHotMemoize(module, () => createEnv('search'));
const techdocsEnv = useHotMemoize(module, () => createEnv('techdocs'));
const todoEnv = useHotMemoize(module, () => createEnv('todo'));
const kubernetesEnv = useHotMemoize(module, () => createEnv('kubernetes'));
const kafkaEnv = useHotMemoize(module, () => createEnv('kafka'));
const graphqlEnv = useHotMemoize(module, () => createEnv('graphql'));
const appEnv = useHotMemoize(module, () => createEnv('app'));
const badgesEnv = useHotMemoize(module, () => createEnv('badges'));
const jenkinsEnv = useHotMemoize(module, () => createEnv('jenkins'));
const techInsightsEnv = useHotMemoize(module, () =>
createEnv('tech-insights'),
);
const permissionEnv = useHotMemoize(module, () => createEnv('permission'));
const apiRouter = Router();
apiRouter.use('/catalog', await catalog(catalogEnv));
apiRouter.use('/code-coverage', await codeCoverage(codeCoverageEnv));
apiRouter.use('/rollbar', await rollbar(rollbarEnv));
apiRouter.use('/scaffolder', await scaffolder(scaffolderEnv));
apiRouter.use('/tech-insights', await techInsights(techInsightsEnv));
apiRouter.use('/auth', await auth(authEnv));
apiRouter.use('/azure-devops', await azureDevOps(azureDevOpsEnv));
apiRouter.use('/search', await search(searchEnv));
apiRouter.use('/techdocs', await techdocs(techdocsEnv));
apiRouter.use('/todo', await todo(todoEnv));
apiRouter.use('/kubernetes', await kubernetes(kubernetesEnv));
apiRouter.use('/kafka', await kafka(kafkaEnv));
apiRouter.use('/proxy', await proxy(proxyEnv));
apiRouter.use('/graphql', await graphql(graphqlEnv));
apiRouter.use('/badges', await badges(badgesEnv));
apiRouter.use('/jenkins', await jenkins(jenkinsEnv));
apiRouter.use('/permission', await permission(permissionEnv));
apiRouter.use(notFoundHandler());
const service = createServiceBuilder(module)
.loadConfig(config)
.addRouter('', await healthcheck(healthcheckEnv))
.addRouter('', metricsHandler())
.addRouter('/api', apiRouter)
.addRouter('', await app(appEnv));
await service.start().catch(err => {
logger.error(err);
process.exit(1);
});
}
module.hot?.accept();
main().catch(error => {
console.error('Backend failed to start up', error);
process.exit(1);
});