badges: initial work for a powered by badge. #4457

Signed-off-by: Andreas Stenius <git@astekk.se>

plugins/badges-backend/.eslintrc.js

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+module.exports = {
+  extends: [require.resolve('@backstage/cli/config/eslint.backend')],
+};

plugins/badges-backend/README.md

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+# Badges Backend
+
+Simple plugin for serving badges.
+
+## Setup
+
+N/A
+
+## Links
+
+- [Frontend part of the plugin](https://github.com/backstage/backstage/tree/master/plugins/badges)
+- [The Backstage homepage](https://backstage.io)

plugins/badges-backend/config.d.ts

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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.
+ */
+
+export interface Config {
+  /** Configuration options for the badges-backend plugin */
+  /* badges?: {
+  };*/
+}

plugins/badges-backend/package.json

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+{
+  "name": "@backstage/plugin-badges-backend",
+  "version": "0.1.1",
+  "main": "src/index.ts",
+  "types": "src/index.ts",
+  "license": "Apache-2.0",
+  "private": false,
+  "publishConfig": {
+    "access": "public",
+    "main": "dist/index.cjs.js",
+    "types": "dist/index.d.ts"
+  },
+  "homepage": "https://backstage.io",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/backstage/backstage",
+    "directory": "plugins/badges-backend"
+  },
+  "keywords": [
+    "backstage",
+    "badges"
+  ],
+  "scripts": {
+    "start": "backstage-cli backend:dev",
+    "build": "backstage-cli backend:build",
+    "lint": "backstage-cli lint",
+    "test": "backstage-cli test",
+    "prepack": "backstage-cli prepack",
+    "postpack": "backstage-cli postpack",
+    "clean": "backstage-cli clean"
+  },
+  "dependencies": {
+    "@backstage/backend-common": "^0.5.2",
+    "@backstage/config": "^0.1.2",
+    "@types/express": "^4.17.6",
+    "badge-maker": "^3.3.0",
+    "cors": "^2.8.5",
+    "express": "^4.17.1",
+    "express-promise-router": "^3.0.3",
+    "winston": "^3.2.1",
+    "yn": "^4.0.0"
+  },
+  "devDependencies": {
+    "@backstage/cli": "^0.6.0",
+    "@types/supertest": "^2.0.8",
+    "supertest": "^4.0.2"
+  },
+  "files": [
+    "dist",
+    "config.d.ts"
+  ],
+  "configSchema": "config.d.ts"
+}

plugins/badges-backend/src/api/BadgesApi.ts

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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 { Logger } from 'winston';
+import { makeBadge, ValidationError } from 'badge-maker';
+import {} from './types';
+
+export class BadgesApi {
+  constructor(private readonly logger: Logger) {}
+
+  public getPoweredByBadge() {
+    const svg = makeBadge({
+      label: 'Powered By',
+      message: 'Backstage',
+      color: '#36BAA2',
+    });
+    return svg;
+  }
+}

plugins/badges-backend/src/api/index.ts

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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.
+ */
+
+export { BadgesApi } from './BadgesApi';

plugins/badges-backend/src/api/types.ts

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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.
+ */

plugins/badges-backend/src/index.ts

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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.
+ */
+
+export * from './api';
+export * from './service/router';

plugins/badges-backend/src/run.ts

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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 { getRootLogger } from '@backstage/backend-common';
+import yn from 'yn';
+import { startStandaloneServer } from './service/standaloneServer';
+
+const port = process.env.PLUGIN_PORT ? Number(process.env.PLUGIN_PORT) : 7000;
+const enableCors = yn(process.env.PLUGIN_CORS, { default: false });
+const logger = getRootLogger();
+
+startStandaloneServer({ port, enableCors, logger }).catch(err => {
+  logger.error(err);
+  process.exit(1);
+});
+
+process.on('SIGINT', () => {
+  logger.info('CTRL+C pressed; exiting.');
+  process.exit(0);
+});

plugins/badges-backend/src/service/router.test.ts

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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 { getVoidLogger } from '@backstage/backend-common';
+import { ConfigReader } from '@backstage/config';
+import express from 'express';
+import request from 'supertest';
+import { BadgesApi } from '../api';
+import { createRouter } from './router';
+import {} from '../api/types';
+
+describe('createRouter', () => {});

plugins/badges-backend/src/service/router.ts

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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 express from 'express';
+import Router from 'express-promise-router';
+import { Logger } from 'winston';
+import { errorHandler } from '@backstage/backend-common';
+import { Config } from '@backstage/config';
+import { BadgesApi } from '../api';
+
+export interface RouterOptions {
+  badgesApi?: BadgesApi;
+  logger: Logger;
+  config: Config;
+}
+
+export async function createRouter(
+  options: RouterOptions,
+): Promise<express.Router> {
+  const router = Router();
+
+  const logger = options.logger.child({ plugin: 'badges' });
+  // const config = options.config.getConfig('badges');
+
+  const badgesApi = options.badgesApi || new BadgesApi(logger);
+
+  // router.use(express.json());
+
+  router.get('/:kind/:namespace/:entityname', async (req, res) => {
+    const { kind, namespace, entityname } = req.params;
+    const badge = badgesApi.getPoweredByBadge();
+
+    res.setHeader('Content-Type', 'image/svg+xml');
+    res.status(200).send(badge);
+  });
+
+  router.use(errorHandler());
+
+  return router;
+}

plugins/badges-backend/src/service/standaloneServer.ts

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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 { Server } from 'http';
+import { Logger } from 'winston';
+import {
+  createServiceBuilder,
+  loadBackendConfig,
+} from '@backstage/backend-common';
+import { createRouter } from './router';
+
+export interface ServerOptions {
+  port: number;
+  enableCors: boolean;
+  logger: Logger;
+}
+
+export async function startStandaloneServer(
+  options: ServerOptions,
+): Promise<Server> {
+  const logger = options.logger.child({ service: 'badges-backend' });
+  const config = await loadBackendConfig({ logger, argv: process.argv });
+
+  logger.debug('Creating application...');
+
+  const router = await createRouter({ logger, config });
+
+  const service = createServiceBuilder(module)
+    .enableCors({ origin: 'http://localhost:3000' })
+    .addRouter('/badges', router);
+
+  return await service.start().catch(err => {
+    logger.error(err);
+    process.exit(1);
+  });
+}

plugins/badges-backend/src/setupTests.ts

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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.
+ */
+
+export {};

plugins/badges/.eslintrc.js

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+module.exports = {
+  extends: [require.resolve('@backstage/cli/config/eslint')],
+};

plugins/badges/README.md

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+# badges
+
+Welcome to the badges plugin!
+
+_This plugin was created through the Backstage CLI_
+
+## Links
+
+- [Backend part of the plugin](https://github.com/backstage/backstage/tree/master/plugins/badges-backend)
+- [The Backstage homepage](https://backstage.io)

plugins/badges/dev/index.tsx

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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 React from 'react';
+import { createDevApp } from '@backstage/dev-utils';
+import { badgesPlugin, EntityBadgesCard } from '../src/plugin';
+import { badgesDevPlugin, BadgesDevPage } from './plugin';
+
+createDevApp()
+  .registerPlugin(badgesPlugin)
+  .registerPlugin(badgesDevPlugin)
+  .addPage({
+    element: <BadgesDevPage />,
+    title: 'Dev Page',
+  })
+  .render();

plugins/badges/dev/page.tsx

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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 React from 'react';
+import { Typography, Grid } from '@material-ui/core';
+import { Content, Header, Page, ContentHeader } from '@backstage/core';
+import { EntityBadgesCard } from '../src';
+
+export default () => {
+  return (
+    <Page themeId="home">
+      <Header
+        title="Badges Dev Page"
+        subtitle="Showcasing the EntityBadgesCard component"
+      />
+      <Content>
+        <ContentHeader title="EntityBadgesCard" />
+        <Grid container>
+          <Grid item xs={12} lg={6}>
+            <EntityBadgesCard />
+          </Grid>
+        </Grid>
+      </Content>
+    </Page>
+  );
+};

plugins/badges/dev/plugin.ts

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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 {
+  createPlugin,
+  createRoutableExtension,
+  createRouteRef,
+} from '@backstage/core';
+import BadgesDevPageComponent from './page';
+
+const devRouteRef = createRouteRef({
+  title: 'Badges (Dev Page)',
+});
+
+export const badgesDevPlugin = createPlugin({
+  id: 'badges-dev',
+  routes: {
+    root: devRouteRef,
+  },
+});
+
+export const BadgesDevPage = badgesDevPlugin.provide(
+  createRoutableExtension({
+    component: () => import('./page').then(m => m.default),
+    mountPoint: devRouteRef,
+  }),
+);

plugins/badges/package.json

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+{
+  "name": "@backstage/plugin-badges",
+  "version": "0.1.1",
+  "main": "src/index.ts",
+  "types": "src/index.ts",
+  "license": "Apache-2.0",
+  "publishConfig": {
+    "access": "public",
+    "main": "dist/index.esm.js",
+    "types": "dist/index.d.ts"
+  },
+  "scripts": {
+    "build": "backstage-cli plugin:build",
+    "start": "backstage-cli plugin:serve",
+    "lint": "backstage-cli lint",
+    "test": "backstage-cli test",
+    "diff": "backstage-cli plugin:diff",
+    "prepack": "backstage-cli prepack",
+    "postpack": "backstage-cli postpack",
+    "clean": "backstage-cli clean"
+  },
+  "dependencies": {
+    "@backstage/core": "^0.6.1",
+    "@backstage/plugin-catalog-react": "^0.0.3",
+    "@backstage/theme": "^0.2.3",
+    "@material-ui/core": "^4.11.0",
+    "@material-ui/icons": "^4.9.1",
+    "@material-ui/lab": "4.0.0-alpha.45",
+    "react": "^16.13.1",
+    "react-dom": "^16.13.1",
+    "react-use": "^15.3.3"
+  },
+  "devDependencies": {
+    "@backstage/cli": "^0.6.0",
+    "@backstage/dev-utils": "^0.1.10",
+    "@backstage/test-utils": "^0.1.7",
+    "@testing-library/jest-dom": "^5.10.1",
+    "@testing-library/react": "^10.4.1",
+    "@testing-library/user-event": "^12.0.7",
+    "@types/jest": "^26.0.7",
+    "@types/node": "^12.0.0",
+    "cross-fetch": "^3.0.6",
+    "msw": "^0.21.2"
+  },
+  "files": [
+    "dist"
+  ]
+}

plugins/badges/src/components/EntityBadgesCard.tsx

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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 React from 'react';
+import { Typography } from '@material-ui/core';
+import { CodeSnippet, InfoCard } from '@backstage/core';
+import { useEntity } from '@backstage/plugin-catalog-react';
+
+export const EntityBadgesCard = () => {
+  const { entity } = useEntity();
+
+  // TODO: extract kind, namespace, entity name from entity data...
+  const { kind, namespace, entityname } = {
+    kind: 'Component',
+    namespace: 'default',
+    entityname: 'demo',
+  };
+
+  // TODO: get url for backstage and the badges api
+  const backstage_ui = 'http://localhost:3000';
+  const backstage_api = 'http://localhost:7000';
+  const badge = `${backstage_api}/badges/${kind}/${namespace}/${entityname}`;
+
+  const target = backstage_ui;
+  const markdown_code = `[![Powered by Backstage](${badge})](${target})`;
+  return (
+    <InfoCard title="Badges">
+      <Typography paragraph>
+        Paste the following snippet in your <code>README.md</code> or other
+        markdown file, to get a powered by backstage badge:
+      </Typography>
+      <img src={badge} alt="Powered by Backstage badge" />
+      <CodeSnippet text={markdown_code} showCopyCodeButton />
+    </InfoCard>
+  );
+};

plugins/badges/src/index.ts

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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.
+ */
+export { badgesPlugin, EntityBadgesCard } from './plugin';

plugins/badges/src/plugin.test.ts

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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 { badgesPlugin } from './plugin';
+
+describe('badges', () => {
+  it('should export plugin', () => {
+    expect(badgesPlugin).toBeDefined();
+  });
+});

plugins/badges/src/plugin.ts

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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 { createPlugin, createComponentExtension } from '@backstage/core';
+
+export const badgesPlugin = createPlugin({
+  id: 'badges',
+});
+
+export const EntityBadgesCard = badgesPlugin.provide(
+  createComponentExtension({
+    component: {
+      lazy: () =>
+        import('./components/EntityBadgesCard').then(m => m.EntityBadgesCard),
+    },
+  }),
+);

plugins/badges/src/routes.ts

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+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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 { createRouteRef } from '@backstage/core';
+
+export const badgeRouteRef = createRouteRef({
+  title: 'Powered By Badge',
+  path: 'badges/:kind/:namespace/:entityname',
+});

plugins/badges/src/setupTests.ts

@@ -0,0 +1,17 @@
+/*
+ * Copyright 2021 Spotify AB
+ *
+ * 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 '@testing-library/jest-dom';
+import 'cross-fetch/polyfill';