Base setup for scaling and cleanup lambdas

modules/runners/lambdas/.gitignore

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+# dependencies
+node_modules/
+
+# production
+dist/
+build/
+
+# misc
+.DS_Store
+.env*
+*.zip
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

modules/runners/lambdas/cleanup-runners/.nvmrc

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+v12.16.1

modules/runners/lambdas/cleanup-runners/.prettierrc

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+{
+  "printWidth": 120,
+  "singleQuote": true,
+  "trailingComma": "all"
+}

modules/runners/lambdas/cleanup-runners/jest.config.js

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+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+};

modules/runners/lambdas/cleanup-runners/package.json

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+{
+  "name": "github-runner-lambda-cleanup-runners",
+  "version": "1.0.0",
+  "main": "lambda.ts",
+  "license": "MIT",
+  "scripts": {
+    "start": "ts-node-dev src/local.ts",
+    "test": "NODE_ENV=test jest",
+    "watch": "ts-node-dev --respawn --exit-child src/local.ts",
+    "build": "ncc build src/lambda.ts -o dist",
+    "dist": "yarn build && cd dist && zip ../cleanup-runners.zip index.js"
+  },
+  "devDependencies": {
+    "@types/express": "^4.17.3",
+    "@types/jest": "^25.2.1",
+    "@types/node": "^13.13.4",
+    "@zeit/ncc": "^0.22.1",
+    "aws-sdk": "^2.645.0",
+    "body-parser": "^1.19.0",
+    "express": "^4.17.1",
+    "jest": "^25.4.0",
+    "ts-jest": "^25.4.0",
+    "ts-node-dev": "^1.0.0-pre.44",
+    "typescript": "^3.8.3"
+  },
+  "dependencies": {}
+}

modules/runners/lambdas/cleanup-runners/src/cleanup-runners/handler.ts

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+export const handle = async (headers: IncomingHttpHeaders, payload: any): Promise<number> => {
+  return 200;
+};

modules/runners/lambdas/cleanup-runners/src/lambda.ts

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+import { handle } from './cleanup-runners/handler';
+
+module.exports.handler = async (event: any, context: any, callback: any) => {
+  const statusCode = await handle(event.headers, event.body);
+  return callback(null, {
+    statusCode: statusCode,
+  });
+};

modules/runners/lambdas/cleanup-runners/src/local.ts

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+import express from 'express';
+import bodyParser from 'body-parser';
+import { handle } from './cleanup-runners/handler';
+
+const app = express();
+
+app.use(bodyParser.json());
+
+app.post('/event_handler', (req, res) => {
+  handle(req.headers, JSON.stringify(req.body))
+    .then((c) => res.status(c).end())
+    .catch((e) => {
+      console.log(e);
+      res.status(404);
+    });
+});
+
+app.listen(3000, (): void => {
+  console.log('webhook app listening on port 3000!');
+});

modules/runners/lambdas/cleanup-runners/tsconfig.json

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+{
+  "compilerOptions": {
+    /* Basic Options */
+    "target": "es6" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
+    "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
+    "outDir": "build",
+    "lib": ["es2020", "DOM"] /* Specify library files to be included in the compilation. */,
+    "allowJs": true /* Allow javascript files to be compiled. */,
+    // "checkJs": true,                       /* Report errors in .js files. */
+    // "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
+    // "declaration": true,                   /* Generates corresponding '.d.ts' file. */
+    // "declarationMap": true,                /* Generates a sourcemap for each corresponding '.d.ts' file. */
+    // "sourceMap": true,                     /* Generates corresponding '.map' file. */
+    // "outFile": "./",                       /* Concatenate and emit output to single file. */
+    // "outDir": "./",                        /* Redirect output structure to the directory. */
+    // "rootDir": "./",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
+    // "composite": true,                     /* Enable project compilation */
+    // "incremental": true,                   /* Enable incremental compilation */
+    // "tsBuildInfoFile": "./",               /* Specify file to store incremental compilation information */
+    // "removeComments": true,                /* Do not emit comments to output. */
+    // "noEmit": true,                        /* Do not emit outputs. */
+    // "importHelpers": true,                 /* Import emit helpers from 'tslib'. */
+    "downlevelIteration": true /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */,
+    // "isolatedModules": true,               /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
+    /* Strict Type-Checking Options */
+    "strict": true /* Enable all strict type-checking options. */,
+    // "noImplicitAny": true,                 /* Raise error on expressions and declarations with an implied 'any' type. */
+    // "strictNullChecks": true,              /* Enable strict null checks. */
+    // "strictFunctionTypes": true,           /* Enable strict checking of function types. */
+    // "strictBindCallApply": true,           /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
+    // "strictPropertyInitialization": true,  /* Enable strict checking of property initialization in classes. */
+    // "noImplicitThis": true,                /* Raise error on 'this' expressions with an implied 'any' type. */
+    // "alwaysStrict": true,                  /* Parse in strict mode and emit "use strict" for each source file. */
+    /* Additional Checks */
+    // "noUnusedLocals": true,                /* Report errors on unused locals. */
+    // "noUnusedParameters": true,            /* Report errors on unused parameters. */
+    // "noImplicitReturns": true,             /* Report error when not all code paths in function return a value. */
+    // "noFallthroughCasesInSwitch": true,    /* Report errors for fallthrough cases in switch statement. */
+    /* Module Resolution Options */
+    "moduleResolution": "node" /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */,
+    // "baseUrl": "./",                       /* Base directory to resolve non-absolute module names. */
+    // "paths": {},                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
+    // "rootDirs": [],                        /* List of root folders whose combined content represents the structure of the project at runtime. */
+    // "typeRoots": [] /* List of folders to include type definitions from. */,
+    // "types": [] /* Type declaration files to be included in compilation. */,
+    // "allowSyntheticDefaultImports": true,  /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
+    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
+    // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */
+    /* Source Map Options */
+    // "sourceRoot": "",                      /* Specify the location where debugger should locate TypeScript files instead of source locations. */
+    // "mapRoot": "",                         /* Specify the location where debugger should locate map files instead of generated locations. */
+    // "inlineSourceMap": true,               /* Emit a single file with source maps instead of having a separate file. */
+    // "inlineSources": true,                 /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
+    /* Experimental Options */
+    "experimentalDecorators": true /* Enables experimental support for ES7 decorators. */,
+    "emitDecoratorMetadata": true /* Enables experimental support for emitting type metadata for decorators. */,
+    "resolveJsonModule": true
+  },
+  "include": ["src/**/*"]
+}