aws-cdk
Version:
AWS CDK CLI, the command line tool for CDK apps
124 lines • 15.5 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.VersionCheckTTL = void 0;
exports.displayVersion = displayVersion;
exports.isDeveloperBuild = isDeveloperBuild;
exports.versionNumber = versionNumber;
exports.latestVersionIfHigher = latestVersionIfHigher;
exports.displayVersionMessage = displayVersionMessage;
/* istanbul ignore file */
const path = require("path");
const chalk = require("chalk");
const fs = require("fs-extra");
const semver = require("semver");
const api_1 = require("../../../@aws-cdk/tmp-toolkit-helpers/src/api");
const logging_1 = require("../logging");
const util_1 = require("../util");
const root_dir_1 = require("./root-dir");
const console_formatters_1 = require("./util/console-formatters");
const npm_1 = require("./util/npm");
const ONE_DAY_IN_SECONDS = 1 * 24 * 60 * 60;
const UPGRADE_DOCUMENTATION_LINKS = {
1: 'https://docs.aws.amazon.com/cdk/v2/guide/migrating-v2.html',
};
function displayVersion() {
return `${versionNumber()} (build ${commit()})`;
}
function isDeveloperBuild() {
return versionNumber() === '0.0.0';
}
function versionNumber() {
// eslint-disable-next-line @typescript-eslint/no-require-imports
return require(path.join((0, root_dir_1.cliRootDir)(), 'package.json')).version.replace(/\+[0-9a-f]+$/, '');
}
function commit() {
// eslint-disable-next-line @typescript-eslint/no-require-imports
return require(path.join((0, root_dir_1.cliRootDir)(), 'build-info.json')).commit;
}
class VersionCheckTTL {
static timestampFilePath() {
// Using the same path from account-cache.ts
return path.join((0, util_1.cdkCacheDir)(), 'repo-version-ttl');
}
constructor(file, ttlSecs) {
this.file = file || VersionCheckTTL.timestampFilePath();
try {
fs.mkdirsSync(path.dirname(this.file));
fs.accessSync(path.dirname(this.file), fs.constants.W_OK);
}
catch {
throw new api_1.ToolkitError(`Directory (${path.dirname(this.file)}) is not writable.`);
}
this.ttlSecs = ttlSecs || ONE_DAY_IN_SECONDS;
}
async hasExpired() {
try {
const lastCheckTime = (await fs.stat(this.file)).mtimeMs;
const today = new Date().getTime();
if ((today - lastCheckTime) / 1000 > this.ttlSecs) { // convert ms to sec
return true;
}
return false;
}
catch (err) {
if (err.code === 'ENOENT') {
return true;
}
else {
throw err;
}
}
}
async update(latestVersion) {
if (!latestVersion) {
latestVersion = '';
}
await fs.writeFile(this.file, latestVersion);
}
}
exports.VersionCheckTTL = VersionCheckTTL;
// Export for unit testing only.
// Don't use directly, use displayVersionMessage() instead.
async function latestVersionIfHigher(currentVersion, cacheFile) {
if (!(await cacheFile.hasExpired())) {
return null;
}
const latestVersion = await (0, npm_1.getLatestVersionFromNpm)();
const isNewer = semver.gt(latestVersion, currentVersion);
await cacheFile.update(latestVersion);
if (isNewer) {
return latestVersion;
}
else {
return null;
}
}
function getMajorVersionUpgradeMessage(currentVersion) {
const currentMajorVersion = semver.major(currentVersion);
if (UPGRADE_DOCUMENTATION_LINKS[currentMajorVersion]) {
return `Information about upgrading from version ${currentMajorVersion}.x to version ${currentMajorVersion + 1}.x is available here: ${UPGRADE_DOCUMENTATION_LINKS[currentMajorVersion]}`;
}
}
function getVersionMessage(currentVersion, laterVersion) {
return [
`Newer version of CDK is available [${chalk.green(laterVersion)}]`,
getMajorVersionUpgradeMessage(currentVersion),
'Upgrade recommended (npm install -g aws-cdk)',
].filter(Boolean);
}
async function displayVersionMessage(currentVersion = versionNumber(), versionCheckCache) {
if (!process.stdout.isTTY || process.env.CDK_DISABLE_VERSION_CHECK) {
return;
}
try {
const laterVersion = await latestVersionIfHigher(currentVersion, versionCheckCache ?? new VersionCheckTTL());
if (laterVersion) {
const bannerMsg = (0, console_formatters_1.formatAsBanner)(getVersionMessage(currentVersion, laterVersion));
bannerMsg.forEach((e) => (0, logging_1.info)(e));
}
}
catch (err) {
(0, logging_1.debug)(`Could not run version check - ${err.message}`);
}
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"version.js","sourceRoot":"","sources":["version.ts"],"names":[],"mappings":";;;AAkBA,wCAEC;AAED,4CAEC;AAED,sCAGC;AAyDD,sDAcC;AAiBD,sDAcC;AAnID,0BAA0B;AAC1B,6BAA6B;AAC7B,+BAA+B;AAC/B,+BAA+B;AAC/B,iCAAiC;AACjC,uEAA6E;AAC7E,wCAAyC;AACzC,kCAAsC;AACtC,yCAAwC;AACxC,kEAA2D;AAC3D,oCAAqD;AAErD,MAAM,kBAAkB,GAAG,CAAC,GAAG,EAAE,GAAG,EAAE,GAAG,EAAE,CAAC;AAE5C,MAAM,2BAA2B,GAA2B;IAC1D,CAAC,EAAE,4DAA4D;CAChE,CAAC;AAEF,SAAgB,cAAc;IAC5B,OAAO,GAAG,aAAa,EAAE,WAAW,MAAM,EAAE,GAAG,CAAC;AAClD,CAAC;AAED,SAAgB,gBAAgB;IAC9B,OAAO,aAAa,EAAE,KAAK,OAAO,CAAC;AACrC,CAAC;AAED,SAAgB,aAAa;IAC3B,iEAAiE;IACjE,OAAO,OAAO,CAAC,IAAI,CAAC,IAAI,CAAC,IAAA,qBAAU,GAAE,EAAE,cAAc,CAAC,CAAC,CAAC,OAAO,CAAC,OAAO,CAAC,cAAc,EAAE,EAAE,CAAC,CAAC;AAC9F,CAAC;AAED,SAAS,MAAM;IACb,iEAAiE;IACjE,OAAO,OAAO,CAAC,IAAI,CAAC,IAAI,CAAC,IAAA,qBAAU,GAAE,EAAE,iBAAiB,CAAC,CAAC,CAAC,MAAM,CAAC;AACpE,CAAC;AAED,MAAa,eAAe;IACnB,MAAM,CAAC,iBAAiB;QAC7B,4CAA4C;QAC5C,OAAO,IAAI,CAAC,IAAI,CAAC,IAAA,kBAAW,GAAE,EAAE,kBAAkB,CAAC,CAAC;IACtD,CAAC;IAOD,YAAY,IAAa,EAAE,OAAgB;QACzC,IAAI,CAAC,IAAI,GAAG,IAAI,IAAI,eAAe,CAAC,iBAAiB,EAAE,CAAC;QACxD,IAAI,CAAC;YACH,EAAE,CAAC,UAAU,CAAC,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,CAAC;YACvC,EAAE,CAAC,UAAU,CAAC,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC,IAAI,CAAC,EAAE,EAAE,CAAC,SAAS,CAAC,IAAI,CAAC,CAAC;QAC5D,CAAC;QAAC,MAAM,CAAC;YACP,MAAM,IAAI,kBAAY,CAAC,cAAc,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC,IAAI,CAAC,oBAAoB,CAAC,CAAC;QACpF,CAAC;QACD,IAAI,CAAC,OAAO,GAAG,OAAO,IAAI,kBAAkB,CAAC;IAC/C,CAAC;IAEM,KAAK,CAAC,UAAU;QACrB,IAAI,CAAC;YACH,MAAM,aAAa,GAAG,CAAC,MAAM,EAAE,CAAC,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,CAAC,OAAO,CAAC;YACzD,MAAM,KAAK,GAAG,IAAI,IAAI,EAAE,CAAC,OAAO,EAAE,CAAC;YAEnC,IAAI,CAAC,KAAK,GAAG,aAAa,CAAC,GAAG,IAAI,GAAG,IAAI,CAAC,OAAO,EAAE,CAAC,CAAC,oBAAoB;gBACvE,OAAO,IAAI,CAAC;YACd,CAAC;YACD,OAAO,KAAK,CAAC;QACf,CAAC;QAAC,OAAO,GAAQ,EAAE,CAAC;YAClB,IAAI,GAAG,CAAC,IAAI,KAAK,QAAQ,EAAE,CAAC;gBAC1B,OAAO,IAAI,CAAC;YACd,CAAC;iBAAM,CAAC;gBACN,MAAM,GAAG,CAAC;YACZ,CAAC;QACH,CAAC;IACH,CAAC;IAEM,KAAK,CAAC,MAAM,CAAC,aAAsB;QACxC,IAAI,CAAC,aAAa,EAAE,CAAC;YACnB,aAAa,GAAG,EAAE,CAAC;QACrB,CAAC;QACD,MAAM,EAAE,CAAC,SAAS,CAAC,IAAI,CAAC,IAAI,EAAE,aAAa,CAAC,CAAC;IAC/C,CAAC;CACF;AA9CD,0CA8CC;AAED,gCAAgC;AAChC,2DAA2D;AACpD,KAAK,UAAU,qBAAqB,CAAC,cAAsB,EAAE,SAA0B;IAC5F,IAAI,CAAC,CAAC,MAAM,SAAS,CAAC,UAAU,EAAE,CAAC,EAAE,CAAC;QACpC,OAAO,IAAI,CAAC;IACd,CAAC;IAED,MAAM,aAAa,GAAG,MAAM,IAAA,6BAAuB,GAAE,CAAC;IACtD,MAAM,OAAO,GAAG,MAAM,CAAC,EAAE,CAAC,aAAa,EAAE,cAAc,CAAC,CAAC;IACzD,MAAM,SAAS,CAAC,MAAM,CAAC,aAAa,CAAC,CAAC;IAEtC,IAAI,OAAO,EAAE,CAAC;QACZ,OAAO,aAAa,CAAC;IACvB,CAAC;SAAM,CAAC;QACN,OAAO,IAAI,CAAC;IACd,CAAC;AACH,CAAC;AAED,SAAS,6BAA6B,CAAC,cAAsB;IAC3D,MAAM,mBAAmB,GAAG,MAAM,CAAC,KAAK,CAAC,cAAc,CAAC,CAAC;IACzD,IAAI,2BAA2B,CAAC,mBAAmB,CAAC,EAAE,CAAC;QACrD,OAAO,4CAA4C,mBAAmB,iBAAiB,mBAAmB,GAAG,CAAC,yBAAyB,2BAA2B,CAAC,mBAAmB,CAAC,EAAE,CAAC;IAC5L,CAAC;AACH,CAAC;AAED,SAAS,iBAAiB,CAAC,cAAsB,EAAE,YAAoB;IACrE,OAAO;QACL,sCAAsC,KAAK,CAAC,KAAK,CAAC,YAAsB,CAAC,GAAG;QAC5E,6BAA6B,CAAC,cAAc,CAAC;QAC7C,8CAA8C;KAC/C,CAAC,MAAM,CAAC,OAAO,CAAa,CAAC;AAChC,CAAC;AAEM,KAAK,UAAU,qBAAqB,CAAC,cAAc,GAAG,aAAa,EAAE,EAAE,iBAAmC;IAC/G,IAAI,CAAC,OAAO,CAAC,MAAM,CAAC,KAAK,IAAI,OAAO,CAAC,GAAG,CAAC,yBAAyB,EAAE,CAAC;QACnE,OAAO;IACT,CAAC;IAED,IAAI,CAAC;QACH,MAAM,YAAY,GAAG,MAAM,qBAAqB,CAAC,cAAc,EAAE,iBAAiB,IAAI,IAAI,eAAe,EAAE,CAAC,CAAC;QAC7G,IAAI,YAAY,EAAE,CAAC;YACjB,MAAM,SAAS,GAAG,IAAA,mCAAc,EAAC,iBAAiB,CAAC,cAAc,EAAE,YAAY,CAAC,CAAC,CAAC;YAClF,SAAS,CAAC,OAAO,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,IAAA,cAAI,EAAC,CAAC,CAAC,CAAC,CAAC;QACpC,CAAC;IACH,CAAC;IAAC,OAAO,GAAQ,EAAE,CAAC;QAClB,IAAA,eAAK,EAAC,iCAAiC,GAAG,CAAC,OAAO,EAAE,CAAC,CAAC;IACxD,CAAC;AACH,CAAC","sourcesContent":["/* istanbul ignore file */\nimport * as path from 'path';\nimport * as chalk from 'chalk';\nimport * as fs from 'fs-extra';\nimport * as semver from 'semver';\nimport { ToolkitError } from '../../../@aws-cdk/tmp-toolkit-helpers/src/api';\nimport { debug, info } from '../logging';\nimport { cdkCacheDir } from '../util';\nimport { cliRootDir } from './root-dir';\nimport { formatAsBanner } from './util/console-formatters';\nimport { getLatestVersionFromNpm } from './util/npm';\n\nconst ONE_DAY_IN_SECONDS = 1 * 24 * 60 * 60;\n\nconst UPGRADE_DOCUMENTATION_LINKS: Record<number, string> = {\n  1: 'https://docs.aws.amazon.com/cdk/v2/guide/migrating-v2.html',\n};\n\nexport function displayVersion() {\n  return `${versionNumber()} (build ${commit()})`;\n}\n\nexport function isDeveloperBuild(): boolean {\n  return versionNumber() === '0.0.0';\n}\n\nexport function versionNumber(): string {\n  // eslint-disable-next-line @typescript-eslint/no-require-imports\n  return require(path.join(cliRootDir(), 'package.json')).version.replace(/\\+[0-9a-f]+$/, '');\n}\n\nfunction commit(): string {\n  // eslint-disable-next-line @typescript-eslint/no-require-imports\n  return require(path.join(cliRootDir(), 'build-info.json')).commit;\n}\n\nexport class VersionCheckTTL {\n  public static timestampFilePath(): string {\n    // Using the same path from account-cache.ts\n    return path.join(cdkCacheDir(), 'repo-version-ttl');\n  }\n\n  private readonly file: string;\n\n  // File modify times are accurate only to the second\n  private readonly ttlSecs: number;\n\n  constructor(file?: string, ttlSecs?: number) {\n    this.file = file || VersionCheckTTL.timestampFilePath();\n    try {\n      fs.mkdirsSync(path.dirname(this.file));\n      fs.accessSync(path.dirname(this.file), fs.constants.W_OK);\n    } catch {\n      throw new ToolkitError(`Directory (${path.dirname(this.file)}) is not writable.`);\n    }\n    this.ttlSecs = ttlSecs || ONE_DAY_IN_SECONDS;\n  }\n\n  public async hasExpired(): Promise<boolean> {\n    try {\n      const lastCheckTime = (await fs.stat(this.file)).mtimeMs;\n      const today = new Date().getTime();\n\n      if ((today - lastCheckTime) / 1000 > this.ttlSecs) { // convert ms to sec\n        return true;\n      }\n      return false;\n    } catch (err: any) {\n      if (err.code === 'ENOENT') {\n        return true;\n      } else {\n        throw err;\n      }\n    }\n  }\n\n  public async update(latestVersion?: string): Promise<void> {\n    if (!latestVersion) {\n      latestVersion = '';\n    }\n    await fs.writeFile(this.file, latestVersion);\n  }\n}\n\n// Export for unit testing only.\n// Don't use directly, use displayVersionMessage() instead.\nexport async function latestVersionIfHigher(currentVersion: string, cacheFile: VersionCheckTTL): Promise<string|null> {\n  if (!(await cacheFile.hasExpired())) {\n    return null;\n  }\n\n  const latestVersion = await getLatestVersionFromNpm();\n  const isNewer = semver.gt(latestVersion, currentVersion);\n  await cacheFile.update(latestVersion);\n\n  if (isNewer) {\n    return latestVersion;\n  } else {\n    return null;\n  }\n}\n\nfunction getMajorVersionUpgradeMessage(currentVersion: string): string | void {\n  const currentMajorVersion = semver.major(currentVersion);\n  if (UPGRADE_DOCUMENTATION_LINKS[currentMajorVersion]) {\n    return `Information about upgrading from version ${currentMajorVersion}.x to version ${currentMajorVersion + 1}.x is available here: ${UPGRADE_DOCUMENTATION_LINKS[currentMajorVersion]}`;\n  }\n}\n\nfunction getVersionMessage(currentVersion: string, laterVersion: string): string[] {\n  return [\n    `Newer version of CDK is available [${chalk.green(laterVersion as string)}]`,\n    getMajorVersionUpgradeMessage(currentVersion),\n    'Upgrade recommended (npm install -g aws-cdk)',\n  ].filter(Boolean) as string[];\n}\n\nexport async function displayVersionMessage(currentVersion = versionNumber(), versionCheckCache?: VersionCheckTTL): Promise<void> {\n  if (!process.stdout.isTTY || process.env.CDK_DISABLE_VERSION_CHECK) {\n    return;\n  }\n\n  try {\n    const laterVersion = await latestVersionIfHigher(currentVersion, versionCheckCache ?? new VersionCheckTTL());\n    if (laterVersion) {\n      const bannerMsg = formatAsBanner(getVersionMessage(currentVersion, laterVersion));\n      bannerMsg.forEach((e) => info(e));\n    }\n  } catch (err: any) {\n    debug(`Could not run version check - ${err.message}`);\n  }\n}\n"]}