aws-cdk
Version:
AWS CDK CLI, the command line tool for CDK apps
98 lines • 15.4 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.CloudExecutable = void 0;
const cloud_assembly_1 = require("./cloud-assembly");
const borrowed_assembly_1 = require("../../../@aws-cdk/toolkit-lib/lib/api/cloud-assembly/private/borrowed-assembly");
const api_1 = require("../api");
const api_private_1 = require("../api-private");
const contextproviders = require("../context-providers");
/**
* Represent the Cloud Executable and the synthesis we can do on it
*/
class CloudExecutable {
constructor(props) {
this.props = props;
}
async produce() {
const synthesisResult = await this.synthesize(true);
// We must return an `IReadableCloudAssembly` here, but this Cloud Assembly is only used in the context
// of the CLI and `cli.ts` currently manages its own locking in the "synthesizer" callback function.
//
// All the lock-related functions are therefore no-ops.
return new borrowed_assembly_1.BorrowedAssembly(synthesisResult.assembly);
}
/**
* Return whether there is an app command from the configuration
*/
get hasApp() {
return !!this.props.configuration.settings.get(['app']);
}
/**
* Synthesize a set of stacks.
*
* @param cacheCloudAssembly whether to cache the Cloud Assembly after it has been first synthesized.
* This is 'true' by default, and only set to 'false' for 'cdk watch',
* which needs to re-synthesize the Assembly each time it detects a change to the project files
*/
async synthesize(cacheCloudAssembly = true) {
if (!this._cloudAssembly || !cacheCloudAssembly) {
this._cloudAssembly = await this.doSynthesize();
}
return this._cloudAssembly;
}
async doSynthesize() {
// We may need to run the cloud executable multiple times in order to satisfy all missing context
// (When the executable runs, it will tell us about context it wants to use
// but it missing. We'll then look up the context and run the executable again, and
// again, until it doesn't complain anymore or we've stopped making progress).
let previouslyMissingKeys;
while (true) {
const assembly = await this.props.synthesizer(this.props.sdkProvider, this.props.configuration);
if (assembly.manifest.missing && assembly.manifest.missing.length > 0) {
const missingKeys = missingContextKeys(assembly.manifest.missing);
if (!this.canLookup) {
throw new api_1.ToolkitError('Context lookups have been disabled. '
+ 'Make sure all necessary context is already in \'cdk.context.json\' by running \'cdk synth\' on a machine with sufficient AWS credentials and committing the result. '
+ `Missing context keys: '${Array.from(missingKeys).join(', ')}'`);
}
let tryLookup = true;
if (previouslyMissingKeys && setsEqual(missingKeys, previouslyMissingKeys)) {
await this.props.ioHelper.notify(api_private_1.IO.DEFAULT_ASSEMBLY_DEBUG.msg('Not making progress trying to resolve environmental context. Giving up.'));
tryLookup = false;
}
previouslyMissingKeys = missingKeys;
if (tryLookup) {
await this.props.ioHelper.notify(api_private_1.IO.DEFAULT_ASSEMBLY_DEBUG.msg('Some context information is missing. Fetching...'));
await contextproviders.provideContextValues(assembly.manifest.missing, this.props.configuration.context, this.props.sdkProvider, this.props.ioHelper);
// Cache the new context to disk
await this.props.configuration.saveContext();
// Execute again
continue;
}
}
return new cloud_assembly_1.CloudAssembly(assembly, this.props.ioHelper);
}
}
get canLookup() {
return !!(this.props.configuration.settings.get(['lookups']) ?? true);
}
}
exports.CloudExecutable = CloudExecutable;
/**
* Return all keys of missing context items
*/
function missingContextKeys(missing) {
return new Set((missing || []).map(m => m.key));
}
function setsEqual(a, b) {
if (a.size !== b.size) {
return false;
}
for (const x of a) {
if (!b.has(x)) {
return false;
}
}
return true;
}
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type * as cxapi from '@aws-cdk/cx-api';\nimport { CloudAssembly } from './cloud-assembly';\nimport type { ICloudAssemblySource, IReadableCloudAssembly } from '../../../@aws-cdk/toolkit-lib/lib/api/cloud-assembly';\nimport { BorrowedAssembly } from '../../../@aws-cdk/toolkit-lib/lib/api/cloud-assembly/private/borrowed-assembly';\nimport { ToolkitError } from '../api';\nimport type { SdkProvider } from '../api/aws-auth';\nimport { IO, type IoHelper } from '../api-private';\nimport type { Configuration } from '../cli/user-configuration';\nimport * as contextproviders from '../context-providers';\n\n/**\n * @returns output directory\n */\nexport type Synthesizer = (aws: SdkProvider, config: Configuration) => Promise<cxapi.CloudAssembly>;\n\nexport interface CloudExecutableProps {\n  /**\n   * Application configuration (settings and context)\n   */\n  configuration: Configuration;\n\n  /**\n   * AWS object (used by synthesizer and contextprovider)\n   */\n  sdkProvider: SdkProvider;\n\n  /**\n   * Messaging helper\n   */\n  ioHelper: IoHelper;\n\n  /**\n   * Callback invoked to synthesize the actual stacks\n   */\n  synthesizer: Synthesizer;\n}\n\n/**\n * Represent the Cloud Executable and the synthesis we can do on it\n */\nexport class CloudExecutable implements ICloudAssemblySource {\n  private _cloudAssembly?: CloudAssembly;\n\n  constructor(private readonly props: CloudExecutableProps) {\n  }\n\n  public async produce(): Promise<IReadableCloudAssembly> {\n    const synthesisResult = await this.synthesize(true);\n\n    // We must return an `IReadableCloudAssembly` here, but this Cloud Assembly is only used in the context\n    // of the CLI and `cli.ts` currently manages its own locking in the \"synthesizer\" callback function.\n    //\n    // All the lock-related functions are therefore no-ops.\n    return new BorrowedAssembly(synthesisResult.assembly);\n  }\n\n  /**\n   * Return whether there is an app command from the configuration\n   */\n  public get hasApp() {\n    return !!this.props.configuration.settings.get(['app']);\n  }\n\n  /**\n   * Synthesize a set of stacks.\n   *\n   * @param cacheCloudAssembly whether to cache the Cloud Assembly after it has been first synthesized.\n   *   This is 'true' by default, and only set to 'false' for 'cdk watch',\n   *   which needs to re-synthesize the Assembly each time it detects a change to the project files\n   */\n  public async synthesize(cacheCloudAssembly: boolean = true): Promise<CloudAssembly> {\n    if (!this._cloudAssembly || !cacheCloudAssembly) {\n      this._cloudAssembly = await this.doSynthesize();\n    }\n    return this._cloudAssembly;\n  }\n\n  private async doSynthesize(): Promise<CloudAssembly> {\n    // We may need to run the cloud executable multiple times in order to satisfy all missing context\n    // (When the executable runs, it will tell us about context it wants to use\n    // but it missing. We'll then look up the context and run the executable again, and\n    // again, until it doesn't complain anymore or we've stopped making progress).\n    let previouslyMissingKeys: Set<string> | undefined;\n    while (true) {\n      const assembly = await this.props.synthesizer(this.props.sdkProvider, this.props.configuration);\n\n      if (assembly.manifest.missing && assembly.manifest.missing.length > 0) {\n        const missingKeys = missingContextKeys(assembly.manifest.missing);\n\n        if (!this.canLookup) {\n          throw new ToolkitError(\n            'Context lookups have been disabled. '\n            + 'Make sure all necessary context is already in \\'cdk.context.json\\' by running \\'cdk synth\\' on a machine with sufficient AWS credentials and committing the result. '\n            + `Missing context keys: '${Array.from(missingKeys).join(', ')}'`);\n        }\n\n        let tryLookup = true;\n        if (previouslyMissingKeys && setsEqual(missingKeys, previouslyMissingKeys)) {\n          await this.props.ioHelper.notify(IO.DEFAULT_ASSEMBLY_DEBUG.msg('Not making progress trying to resolve environmental context. Giving up.'));\n          tryLookup = false;\n        }\n\n        previouslyMissingKeys = missingKeys;\n\n        if (tryLookup) {\n          await this.props.ioHelper.notify(IO.DEFAULT_ASSEMBLY_DEBUG.msg('Some context information is missing. Fetching...'));\n\n          await contextproviders.provideContextValues(\n            assembly.manifest.missing,\n            this.props.configuration.context,\n            this.props.sdkProvider,\n            this.props.ioHelper,\n          );\n\n          // Cache the new context to disk\n          await this.props.configuration.saveContext();\n\n          // Execute again\n          continue;\n        }\n      }\n\n      return new CloudAssembly(assembly, this.props.ioHelper);\n    }\n  }\n\n  private get canLookup() {\n    return !!(this.props.configuration.settings.get(['lookups']) ?? true);\n  }\n}\n\n/**\n * Return all keys of missing context items\n */\nfunction missingContextKeys(missing?: cxapi.MissingContext[]): Set<string> {\n  return new Set((missing || []).map(m => m.key));\n}\n\nfunction setsEqual<A>(a: Set<A>, b: Set<A>) {\n  if (a.size !== b.size) {\n    return false;\n  }\n  for (const x of a) {\n    if (!b.has(x)) {\n      return false;\n    }\n  }\n  return true;\n}\n"]}