aws-cdk
Version:
CDK Toolkit, the command line tool for CDK apps
155 lines • 20.7 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.contextHandler = contextHandler;
const chalk = require("chalk");
const minimatch_1 = require("minimatch");
const user_configuration_1 = require("../cli/user-configuration");
const version = require("../cli/version");
const logging_1 = require("../logging");
const error_1 = require("../toolkit/error");
const util_1 = require("../util");
async function contextHandler(options) {
if (options.clear) {
options.context.clear();
await options.context.save(user_configuration_1.PROJECT_CONTEXT);
(0, logging_1.info)('All context values cleared.');
}
else if (options.reset) {
invalidateContext(options.context, options.reset, options.force ?? false);
await options.context.save(user_configuration_1.PROJECT_CONTEXT);
}
else {
// List -- support '--json' flag
if (options.json) {
/* istanbul ignore next */
const contextValues = options.context.all;
(0, logging_1.data)(JSON.stringify(contextValues, undefined, 2));
}
else {
listContext(options.context);
}
}
await version.displayVersionMessage();
return 0;
}
function listContext(context) {
const keys = contextKeys(context);
if (keys.length === 0) {
(0, logging_1.info)('This CDK application does not have any saved context values yet.');
(0, logging_1.info)('');
(0, logging_1.info)('Context will automatically be saved when you synthesize CDK apps');
(0, logging_1.info)('that use environment context information like AZ information, VPCs,');
(0, logging_1.info)('SSM parameters, and so on.');
return;
}
// Print config by default
const data_out = [[chalk.green('#'), chalk.green('Key'), chalk.green('Value')]];
for (const [i, key] of keys) {
const jsonWithoutNewlines = JSON.stringify(context.all[key], undefined, 2).replace(/\s+/g, ' ');
data_out.push([i, key, jsonWithoutNewlines]);
}
(0, logging_1.info)('Context found in %s:', chalk.blue(user_configuration_1.PROJECT_CONFIG));
(0, logging_1.info)('');
(0, logging_1.info)((0, util_1.renderTable)(data_out, process.stdout.columns));
// eslint-disable-next-line max-len
(0, logging_1.info)(`Run ${chalk.blue('cdk context --reset KEY_OR_NUMBER')} to remove a context key. It will be refreshed on the next CDK synthesis run.`);
}
function invalidateContext(context, key, force) {
const i = parseInt(key, 10);
if (`${i}` === key) {
// was a number and we fully parsed it.
key = keyByNumber(context, i);
}
// Unset!
if (context.has(key)) {
context.unset(key);
// check if the value was actually unset.
if (!context.has(key)) {
(0, logging_1.info)('Context value %s reset. It will be refreshed on next synthesis', chalk.blue(key));
return;
}
// Value must be in readonly bag
(0, logging_1.error)('Only context values specified in %s can be reset through the CLI', chalk.blue(user_configuration_1.PROJECT_CONTEXT));
if (!force) {
throw new error_1.ToolkitError(`Cannot reset readonly context value with key: ${key}`);
}
}
// check if value is expression matching keys
const matches = keysByExpression(context, key);
if (matches.length > 0) {
matches.forEach((match) => {
context.unset(match);
});
const { unset, readonly } = getUnsetAndReadonly(context, matches);
// output the reset values
printUnset(unset);
// warn about values not reset
printReadonly(readonly);
// throw when none of the matches were reset
if (!force && unset.length === 0) {
throw new error_1.ToolkitError('None of the matched context values could be reset');
}
return;
}
if (!force) {
throw new error_1.ToolkitError(`No context value matching key: ${key}`);
}
}
function printUnset(unset) {
if (unset.length === 0)
return;
(0, logging_1.info)('The following matched context values reset. They will be refreshed on next synthesis');
unset.forEach((match) => {
(0, logging_1.info)(' %s', match);
});
}
function printReadonly(readonly) {
if (readonly.length === 0)
return;
(0, logging_1.warning)('The following matched context values could not be reset through the CLI');
readonly.forEach((match) => {
(0, logging_1.info)(' %s', match);
});
(0, logging_1.info)('');
(0, logging_1.info)('This usually means they are configured in %s or %s', chalk.blue(user_configuration_1.PROJECT_CONFIG), chalk.blue(user_configuration_1.USER_DEFAULTS));
}
function keysByExpression(context, expression) {
return context.keys.filter(minimatch_1.minimatch.filter(expression));
}
function getUnsetAndReadonly(context, matches) {
return matches.reduce((acc, match) => {
if (context.has(match)) {
acc.readonly.push(match);
}
else {
acc.unset.push(match);
}
return acc;
}, { unset: [], readonly: [] });
}
function keyByNumber(context, n) {
for (const [i, key] of contextKeys(context)) {
if (n === i) {
return key;
}
}
throw new error_1.ToolkitError(`No context key with number: ${n}`);
}
/**
* Return enumerated keys in a definitive order
*/
function contextKeys(context) {
const keys = context.keys;
keys.sort();
return enumerate1(keys);
}
function enumerate1(xs) {
const ret = new Array();
let i = 1;
for (const x of xs) {
ret.push([i, x]);
i += 1;
}
return ret;
}
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* as chalk from 'chalk';\nimport { minimatch } from 'minimatch';\nimport { Context } from '../api/context';\nimport { PROJECT_CONFIG, PROJECT_CONTEXT, USER_DEFAULTS } from '../cli/user-configuration';\nimport * as version from '../cli/version';\nimport { error, warning, info, data } from '../logging';\nimport { ToolkitError } from '../toolkit/error';\nimport { renderTable } from '../util';\n\n/**\n * Options for the context command\n */\nexport interface ContextOptions {\n  /**\n   * The context object sourced from all context locations\n   */\n  context: Context;\n\n  /**\n   * The context key (or its index) to reset\n   *\n   * @default undefined\n   */\n  reset?: string;\n\n  /**\n   * Ignore missing key error\n   *\n   * @default false\n   */\n  force?: boolean;\n\n  /**\n   * Clear all context\n   *\n   * @default false\n   */\n  clear?: boolean;\n\n  /**\n   * Use JSON output instead of YAML when templates are printed to STDOUT\n   *\n   * @default false\n   */\n  json?: boolean;\n}\n\nexport async function contextHandler(options: ContextOptions): Promise<number> {\n  if (options.clear) {\n    options.context.clear();\n    await options.context.save(PROJECT_CONTEXT);\n    info('All context values cleared.');\n  } else if (options.reset) {\n    invalidateContext(options.context, options.reset, options.force ?? false);\n    await options.context.save(PROJECT_CONTEXT);\n  } else {\n    // List -- support '--json' flag\n    if (options.json) {\n      /* istanbul ignore next */\n      const contextValues = options.context.all;\n      data(JSON.stringify(contextValues, undefined, 2));\n    } else {\n      listContext(options.context);\n    }\n  }\n  await version.displayVersionMessage();\n\n  return 0;\n}\n\nfunction listContext(context: Context) {\n  const keys = contextKeys(context);\n\n  if (keys.length === 0) {\n    info('This CDK application does not have any saved context values yet.');\n    info('');\n    info('Context will automatically be saved when you synthesize CDK apps');\n    info('that use environment context information like AZ information, VPCs,');\n    info('SSM parameters, and so on.');\n\n    return;\n  }\n\n  // Print config by default\n  const data_out: any[] = [[chalk.green('#'), chalk.green('Key'), chalk.green('Value')]];\n  for (const [i, key] of keys) {\n    const jsonWithoutNewlines = JSON.stringify(context.all[key], undefined, 2).replace(/\\s+/g, ' ');\n    data_out.push([i, key, jsonWithoutNewlines]);\n  }\n  info('Context found in %s:', chalk.blue(PROJECT_CONFIG));\n  info('');\n  info(renderTable(data_out, process.stdout.columns));\n\n  // eslint-disable-next-line max-len\n  info(`Run ${chalk.blue('cdk context --reset KEY_OR_NUMBER')} to remove a context key. It will be refreshed on the next CDK synthesis run.`);\n}\n\nfunction invalidateContext(context: Context, key: string, force: boolean) {\n  const i = parseInt(key, 10);\n  if (`${i}` === key) {\n    // was a number and we fully parsed it.\n    key = keyByNumber(context, i);\n  }\n  // Unset!\n  if (context.has(key)) {\n    context.unset(key);\n    // check if the value was actually unset.\n    if (!context.has(key)) {\n      info('Context value %s reset. It will be refreshed on next synthesis', chalk.blue(key));\n      return;\n    }\n\n    // Value must be in readonly bag\n    error('Only context values specified in %s can be reset through the CLI', chalk.blue(PROJECT_CONTEXT));\n    if (!force) {\n      throw new ToolkitError(`Cannot reset readonly context value with key: ${key}`);\n    }\n  }\n\n  // check if value is expression matching keys\n  const matches = keysByExpression(context, key);\n\n  if (matches.length > 0) {\n\n    matches.forEach((match) => {\n      context.unset(match);\n    });\n\n    const { unset, readonly } = getUnsetAndReadonly(context, matches);\n\n    // output the reset values\n    printUnset(unset);\n\n    // warn about values not reset\n    printReadonly(readonly);\n\n    // throw when none of the matches were reset\n    if (!force && unset.length === 0) {\n      throw new ToolkitError('None of the matched context values could be reset');\n    }\n    return;\n  }\n  if (!force) {\n    throw new ToolkitError(`No context value matching key: ${key}`);\n  }\n}\n\nfunction printUnset(unset: string[]) {\n  if (unset.length === 0) return;\n  info('The following matched context values reset. They will be refreshed on next synthesis');\n  unset.forEach((match) => {\n    info('  %s', match);\n  });\n}\n\nfunction printReadonly(readonly: string[]) {\n  if (readonly.length === 0) return;\n  warning('The following matched context values could not be reset through the CLI');\n  readonly.forEach((match) => {\n    info('  %s', match);\n  });\n  info('');\n  info('This usually means they are configured in %s or %s', chalk.blue(PROJECT_CONFIG), chalk.blue(USER_DEFAULTS));\n}\n\nfunction keysByExpression(context: Context, expression: string) {\n  return context.keys.filter(minimatch.filter(expression));\n}\n\nfunction getUnsetAndReadonly(context: Context, matches: string[]) {\n  return matches.reduce<{ unset: string[]; readonly: string[] }>((acc, match) => {\n    if (context.has(match)) {\n      acc.readonly.push(match);\n    } else {\n      acc.unset.push(match);\n    }\n    return acc;\n  }, { unset: [], readonly: [] });\n}\n\nfunction keyByNumber(context: Context, n: number) {\n  for (const [i, key] of contextKeys(context)) {\n    if (n === i) {\n      return key;\n    }\n  }\n  throw new ToolkitError(`No context key with number: ${n}`);\n}\n\n/**\n * Return enumerated keys in a definitive order\n */\nfunction contextKeys(context: Context): [number, string][] {\n  const keys = context.keys;\n  keys.sort();\n  return enumerate1(keys);\n}\n\nfunction enumerate1<T>(xs: T[]): Array<[number, T]> {\n  const ret = new Array<[number, T]>();\n  let i = 1;\n  for (const x of xs) {\n    ret.push([i, x]);\n    i += 1;\n  }\n  return ret;\n}\n"]}