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cdk8s-cli

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This is the command line tool for Cloud Development Kit (CDK) for Kubernetes (cdk8s).

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"use strict"; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; var desc = Object.getOwnPropertyDescriptor(m, k); if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { desc = { enumerable: true, get: function() { return m[k]; } }; } Object.defineProperty(o, k2, desc); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; })); var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) { Object.defineProperty(o, "default", { enumerable: true, value: v }); }) : function(o, v) { o["default"] = v; }); var __importStar = (this && this.__importStar) || function (mod) { if (mod && mod.__esModule) return mod; var result = {}; if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k); __setModuleDefault(result, mod); return result; }; Object.defineProperty(exports, "__esModule", { value: true }); exports.PluginManager = void 0; const child = __importStar(require("child_process")); const path = __importStar(require("path")); const url = __importStar(require("url")); const fs = __importStar(require("fs-extra")); const semver = __importStar(require("semver")); const MODULE_NOT_FOUND_ERROR_CODE = 'MODULE_NOT_FOUND'; // TODO is there a known constant we can use here? /** * A `PluginManager` is responsible for loading (and installing) plugins. */ class PluginManager { constructor(dir) { this.dir = dir; } load(options) { var _a, _b; const pkg = this.loadPackage(options.pkg, options.version, (_a = options.installEnv) !== null && _a !== void 0 ? _a : {}); const clazz = pkg.module[options.class]; if (!clazz) { throw new Error(`Unable to locate class '${options.class}' in package '${options.pkg}@${options.version}'. Are you sure you exported it?`); } return { instance: new clazz((_b = options.properties) !== null && _b !== void 0 ? _b : {}), class: options.class, package: pkg }; } loadPackage(pkg, version, installEnv) { if (isRange(version)) { // we forbid version ranges because it might give the false impression we will be installing // the latest version (which we will not because it would mean contacting NPM on every synth) throw new Error(`Unsupported version spec for package ${pkg}: ${version}. Cannot be a range.`); } const proto = url.parse(pkg).protocol; if (proto) { // urls are not supported because they don't provide a name with which we can 'require' the module. // if needed, we can make the loader smarter and enable this, but not for now. throw new Error(`Unsupported package reference: ${pkg}. Can either be an NPM package name, or a local path to a directory`); } const local = path.isAbsolute(pkg) // assume relative paths start with '.' because otherise they // are easily confused with npm package names. || pkg.startsWith(`.${path.sep}`); // local plugins are loaded directly, npm packages are loaded // from the plugins directory. const modulePath = local ? path.resolve(process.cwd(), pkg) : this.pluginDir(pkg, version); const pluginName = local ? modulePath : pkg; try { return this.require(modulePath, version, pluginName); } catch (e) { if (![MODULE_NOT_FOUND_ERROR_CODE].includes(e.code)) { // some unexpected error throw e; } if (local) { // if a local plugin is missing, nothing we can do about it throw e; } // otherwise, we install from npm and re-require. this.installPackage(pkg, version, installEnv); return this.require(modulePath, version, pluginName); } } installPackage(pkg, version, env) { const pluginDir = path.join(this.dir, pkg, version); fs.mkdirpSync(pluginDir); const command = [ 'npm', 'install', `${pkg}@${version}`, '--no-save', '--prefix', pluginDir, ].join(' '); const finalEnv = { ...process.env }; for (const [key, value] of Object.entries(env)) { finalEnv[key] = typeof value === 'string' ? key : JSON.stringify(value); } console.log(`Installing validation plugin: ${pkg}@${version} (this may take a while the first time around)`); child.execSync(command, { stdio: ['ignore', 'pipe', 'pipe'], env: finalEnv }); } require(spec, version, pluginName) { const modulePath = require.resolve(spec); // eslint-disable-next-line @typescript-eslint/no-require-imports const module = require(modulePath); return { version, pkg: pluginName !== null && pluginName !== void 0 ? pluginName : spec, path: modulePath, module }; } pluginDir(pkg, version) { return path.join(this.dir, pkg, version, 'node_modules', pkg); } } exports.PluginManager = PluginManager; /** * Checks if a given version represents a range, or a pinned version. * For example: * * - '1.x expands to '>=1.0.0 <2.0.0-0' * - `~1.2' expands to '>=1.2.0 <1.3.0-0' * - '1.2.3' expands to '1.2.3' */ function isRange(version) { return new semver.Range(version).range !== version; 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// TODO is there a known constant we can use here?\n\n/**\n * Information about a loaded plugin.\n */\nexport interface Plugin {\n\n  /**\n   * The instance of the plugin class.\n   */\n  readonly instance: unknown;\n\n  /**\n   * The plugin class name.\n   */\n  readonly class: string;\n\n  /**\n   * The plugin package.\n   */\n  readonly package: Package;\n\n}\n\n/**\n * Information about a plugin package.\n */\nexport interface Package {\n\n  /**\n   * The plugin module.\n   */\n  readonly module: ReturnType<NodeRequire>;\n\n  /**\n    * The npm package of the plugin.\n    */\n  readonly pkg: string;\n\n  /**\n    * The version of the plugin.\n    */\n  readonly version: string;\n\n  /**\n    * The path of the plugin on the local system (after its installed).\n    */\n  readonly path: string;\n\n}\n\n/**\n * Options for loading a plugin.\n */\nexport interface PluginManagerLoadOptions {\n\n  /**\n   * The plugin package name.\n   */\n  readonly pkg: string;\n\n  /**\n   * The plugin package version.\n   */\n  readonly version: string;\n\n  /**\n   * The plugin package class.\n   */\n  readonly class: string;\n\n  /**\n   * Installation environment (passed on to npm install)\n   */\n  readonly installEnv?: { [key: string]: any };\n\n  /**\n   * Plugin instantiation properties.\n   */\n  readonly properties?: { [key: string]: any };\n\n}\n\n/**\n * A `PluginManager` is responsible for loading (and installing) plugins.\n */\nexport class PluginManager {\n\n  constructor(private readonly dir: string) {}\n\n  public load(options: PluginManagerLoadOptions): Plugin {\n\n    const pkg = this.loadPackage(options.pkg, options.version, options.installEnv ?? {});\n\n    const clazz = pkg.module[options.class];\n    if (!clazz) {\n      throw new Error(`Unable to locate class '${options.class}' in package '${options.pkg}@${options.version}'. Are you sure you exported it?`);\n    }\n\n    return { instance: new clazz(options.properties ?? {}), class: options.class, package: pkg };\n  }\n\n  private loadPackage(pkg: string, version: string, installEnv: { [key: string]: any }): Package {\n\n    if (isRange(version)) {\n      // we forbid version ranges because it might give the false impression we will be installing\n      // the latest version (which we will not because it would mean contacting NPM on every synth)\n      throw new Error(`Unsupported version spec for package ${pkg}: ${version}. Cannot be a range.`);\n    }\n\n    const proto = url.parse(pkg).protocol;\n\n    if (proto) {\n      // urls are not supported because they don't provide a name with which we can 'require' the module.\n      // if needed, we can make the loader smarter and enable this, but not for now.\n      throw new Error(`Unsupported package reference: ${pkg}. Can either be an NPM package name, or a local path to a directory`);\n    }\n\n    const local = path.isAbsolute(pkg)\n      // assume relative paths start with '.' because otherise they\n      // are easily confused with npm package names.\n      || pkg.startsWith(`.${path.sep}`);\n\n    // local plugins are loaded directly, npm packages are loaded\n    // from the plugins directory.\n    const modulePath = local ? path.resolve(process.cwd(), pkg) : this.pluginDir(pkg, version);\n    const pluginName = local ? modulePath : pkg;\n\n    try {\n      return this.require(modulePath, version, pluginName);\n    } catch (e: any) {\n\n      if (![MODULE_NOT_FOUND_ERROR_CODE].includes(e.code)) {\n        // some unexpected error\n        throw e;\n      }\n\n      if (local) {\n        // if a local plugin is missing, nothing we can do about it\n        throw e;\n      }\n\n      // otherwise, we install from npm and re-require.\n      this.installPackage(pkg, version, installEnv);\n      return this.require(modulePath, version, pluginName);\n    }\n\n  }\n\n  private installPackage(pkg: string, version: string, env: { [key: string]: any }) {\n\n    const pluginDir = path.join(this.dir, pkg, version);\n    fs.mkdirpSync(pluginDir);\n\n    const command = [\n      'npm',\n      'install', `${pkg}@${version}`,\n      '--no-save',\n      '--prefix', pluginDir,\n    ].join(' ');\n\n    const finalEnv = { ...process.env };\n    for (const [key, value] of Object.entries(env)) {\n      finalEnv[key] = typeof value === 'string' ? key : JSON.stringify(value);\n    }\n    console.log(`Installing validation plugin: ${pkg}@${version} (this may take a while the first time around)`);\n    child.execSync(command, { stdio: ['ignore', 'pipe', 'pipe'], env: finalEnv });\n  }\n\n  private require(spec: string, version: string, pluginName: string): Package {\n\n    const modulePath = require.resolve(spec);\n\n    // eslint-disable-next-line @typescript-eslint/no-require-imports\n    const module = require(modulePath);\n\n    return { version, pkg: pluginName ?? spec, path: modulePath, module };\n  }\n\n  private pluginDir(pkg: string, version: string) {\n    return path.join(this.dir, pkg, version, 'node_modules', pkg);\n  }\n\n}\n\n/**\n * Checks if a given version represents a range, or a pinned version.\n * For example:\n *\n *   - '1.x expands to '>=1.0.0 <2.0.0-0'\n *   - `~1.2' expands to '>=1.2.0 <1.3.0-0'\n *   - '1.2.3' expands to '1.2.3'\n */\nfunction isRange(version: string) {\n  return new semver.Range(version).range !== version;\n}"]}