feat: circleCI backend proxy

packages/app/package.json

@@ -21,6 +21,7 @@
     "@backstage/cli": "^0.1.1-alpha.4",
     "@backstage/core": "^0.1.1-alpha.4",
     "@backstage/plugin-circleci": "^0.1.1-alpha.4",
+    "@backstage/plugin-circleci-backend": "^0.1.1-alpha.4",
     "@backstage/plugin-home-page": "^0.1.1-alpha.4",
     "@backstage/plugin-inventory": "^0.1.1-alpha.4",
     "@backstage/plugin-lighthouse": "^0.1.1-alpha.4",

packages/app/src/plugins.ts

@@ -19,3 +19,4 @@ export { plugin as LighthousePlugin } from '@backstage/plugin-lighthouse';
 export { plugin as InventoryPlugin } from '@backstage/plugin-inventory';
 export { plugin as TechRadar } from '@backstage/plugin-tech-radar';
 export { plugin as Circleci } from '@backstage/plugin-circleci';
+// export { plugin as CircleciBackend } from '@backstage/plugin-circleci-backend';

packages/backend/package.json

@@ -16,6 +16,7 @@
   },
   "dependencies": {
     "@backstage/plugin-inventory-backend": "0.1.1-alpha.4",
+    "@backstage/plugin-circleci-backend": "0.1.1-alpha.4",
     "compression": "^1.7.4",
     "cors": "^2.8.5",
     "express": "^4.17.1",

packages/backend/src/index.ts

@@ -28,6 +28,7 @@ import helmet from 'helmet';
 import compression from 'compression';
 import { testRouter } from './test';
 import { router as inventoryRouter } from '@backstage/plugin-inventory-backend';
+import { router as circleCIRouter } from '@backstage/plugin-circleci-backend';
 
 const DEFAULT_PORT = 7000;
 
@@ -40,6 +41,7 @@ app.use(compression());
 app.use(express.json());
 app.use('/test', testRouter);
 app.use('/inventory', inventoryRouter);
+app.use('/circleci', circleCIRouter);
 
 app.listen(PORT, () => {
   console.log(`Listening on port ${PORT}`);

plugins/circleci-backend/.eslintrc.js

@@ -0,0 +1,3 @@
+module.exports = {
+  extends: [require.resolve('@backstage/cli/config/eslint')],
+};

plugins/circleci-backend/README.md

@@ -0,0 +1,6 @@
+# Title
+Welcome to the circleci-backend plugin!
+
+## Sub-section 1
+
+## Sub-section 2

plugins/circleci-backend/package.json

@@ -0,0 +1,23 @@
+{
+  "name": "@backstage/plugin-circleci-backend",
+  "version": "0.1.1-alpha.4",
+  "main": "dist",
+  "license": "Apache-2.0",
+  "private": true,
+  "scripts": {
+    "build": "tsc",
+    "lint": "backstage-cli lint",
+    "test": "backstage-cli test",
+    "clean": "backstage-cli clean"
+  },
+  "devDependencies": {
+    "@backstage/cli": "^0.1.1-alpha.4"
+  },
+  "dependencies": {
+    "express": "^4.17.1",
+    "http-proxy-middleware": "^1.0.3"
+  },
+  "files": [
+    "dist"
+  ]
+}

plugins/circleci-backend/src/index.ts

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2020 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 httpProxy from 'http-proxy';
+
+// Simple proxy for handling CORS for now
+const proxy = httpProxy.createServer({
+  target: 'https://circleci.com/api/v1.1',
+  changeOrigin: true,
+});
+proxy.on('error', e => console.error(e));
+export const router = express();
+router.use('/api', (req, res) => proxy.web(req, res));

plugins/circleci-backend/tsconfig.json

@@ -0,0 +1,15 @@
+{
+  "include": ["src"],
+  "compilerOptions": {
+    "baseUrl": "src",
+    "outDir": "dist",
+    "incremental": true,
+    "sourceMap": true,
+    "declaration": true,
+    "strict": true,
+    "target": "es5",
+    "module": "commonjs",
+    "esModuleInterop": true,
+    "types": ["node", "jest"]
+  }
+}

plugins/circleci/src/api/index.ts

@@ -18,6 +18,7 @@ import { CircleCI, GitType, CircleCIOptions } from 'circleci-api';
 import { ApiRef } from '@backstage/core';
 
 const defaultOptions: Partial<CircleCIOptions> = {
+  circleHost: 'http://backstage.localhost:7000/circleci/api',
   vcs: {
     type: GitType.GITHUB,
     owner: 'CircleCITest3',
@@ -59,10 +60,10 @@ export class CircleCIApi {
     const persistedToken = sessionStorage.getItem(key);
     let persistedVCSOptions: {} | undefined;
     try {
-       persistedVCSOptions = JSON.parse(sessionStorage.getItem(key + '_options') as string);
-    } catch(e) {
-      
-    }
+      persistedVCSOptions = JSON.parse(
+        sessionStorage.getItem(key + '_options') as string,
+      );
+    } catch (e) {}
     if (persistedToken && persistedVCSOptions) {
       this.token = persistedToken;
       this.options.vcs = persistedVCSOptions;
@@ -71,8 +72,6 @@ export class CircleCIApi {
     return Promise.reject();
   }
 
-  
-
   async persistToken() {
     if (this.authed) return;
     const key = circleCIApiRef.id;

yarn.lock

@@ -4003,7 +4003,7 @@
     "@types/http-proxy" "*"
     "@types/node" "*"
 
-"@types/http-proxy@*":
+"@types/http-proxy@*", "@types/http-proxy@^1.17.3":
   version "1.17.4"
   resolved "https://registry.npmjs.org/@types/http-proxy/-/http-proxy-1.17.4.tgz#e7c92e3dbe3e13aa799440ff42e6d3a17a9d045b"
   integrity sha512-IrSHl2u6AWXduUaDLqYpt45tLVCtYv7o4Z0s1KghBCDgIIS9oW5K1H8mZG/A2CfeLdEa7rTd1ACOiHBc1EMT2Q==
@@ -10759,7 +10759,18 @@ http-proxy-middleware@0.19.1:
     lodash "^4.17.11"
     micromatch "^3.1.10"
 
-http-proxy@^1.17.0:
+http-proxy-middleware@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-1.0.3.tgz#f73daad8dac622d51fe1769960c914b9b1f75a72"
+  integrity sha512-GHvPeBD+A357zS5tHjzj6ISrVOjjCiy0I92bdyTJz0pNmIjFxO0NX/bX+xkGgnclKQE/5hHAB9JEQ7u9Pw4olg==
+  dependencies:
+    "@types/http-proxy" "^1.17.3"
+    http-proxy "^1.18.0"
+    is-glob "^4.0.1"
+    lodash "^4.17.15"
+    micromatch "^4.0.2"
+
+http-proxy@^1.17.0, http-proxy@^1.18.0:
   version "1.18.0"
   resolved "https://registry.npmjs.org/http-proxy/-/http-proxy-1.18.0.tgz#dbe55f63e75a347db7f3d99974f2692a314a6a3a"
   integrity sha512-84I2iJM/n1d4Hdgc6y2+qY5mDaz2PUVjlg9znE9byl+q0uC3DeByqBGReQu5tpLK0TAqTIXScRUV+dg7+bUPpQ==