aws-cdk
Version:
CDK Toolkit, the command line tool for CDK apps
206 lines • 28.8 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.NoBootstrapStackEnvironmentResources = exports.EnvironmentResources = exports.EnvironmentResourcesRegistry = void 0;
const toolkit_info_1 = require("./toolkit-info");
const logging_1 = require("../logging");
const notices_1 = require("../notices");
const error_1 = require("../toolkit/error");
const error_2 = require("../util/error");
/**
* Registry class for `EnvironmentResources`.
*
* The state management of this class is a bit non-standard. We want to cache
* data related to toolkit stacks and SSM parameters, but we are not in charge
* of ensuring caching of SDKs. Since `EnvironmentResources` needs an SDK to
* function, we treat it as an ephemeral class, and store the actual cached data
* in `EnvironmentResourcesRegistry`.
*/
class EnvironmentResourcesRegistry {
constructor(toolkitStackName) {
this.toolkitStackName = toolkitStackName;
this.cache = new Map();
}
for(resolvedEnvironment, sdk) {
const key = `${resolvedEnvironment.account}:${resolvedEnvironment.region}`;
let envCache = this.cache.get(key);
if (!envCache) {
envCache = emptyCache();
this.cache.set(key, envCache);
}
return new EnvironmentResources(resolvedEnvironment, sdk, envCache, this.toolkitStackName);
}
}
exports.EnvironmentResourcesRegistry = EnvironmentResourcesRegistry;
/**
* Interface with the account and region we're deploying into
*
* Manages lookups for bootstrapped resources, falling back to the legacy "CDK Toolkit"
* original bootstrap stack if necessary.
*
* The state management of this class is a bit non-standard. We want to cache
* data related to toolkit stacks and SSM parameters, but we are not in charge
* of ensuring caching of SDKs. Since `EnvironmentResources` needs an SDK to
* function, we treat it as an ephemeral class, and store the actual cached data
* in `EnvironmentResourcesRegistry`.
*/
class EnvironmentResources {
constructor(environment, sdk, cache, toolkitStackName) {
this.environment = environment;
this.sdk = sdk;
this.cache = cache;
this.toolkitStackName = toolkitStackName;
}
/**
* Look up the toolkit for a given environment, using a given SDK
*/
async lookupToolkit() {
if (!this.cache.toolkitInfo) {
this.cache.toolkitInfo = await toolkit_info_1.ToolkitInfo.lookup(this.environment, this.sdk, this.toolkitStackName);
}
return this.cache.toolkitInfo;
}
/**
* Validate that the bootstrap stack version matches or exceeds the expected version
*
* Use the SSM parameter name to read the version number if given, otherwise use the version
* discovered on the bootstrap stack.
*
* Pass in the SSM parameter name so we can cache the lookups an don't need to do the same
* lookup again and again for every artifact.
*/
async validateVersion(expectedVersion, ssmParameterName) {
if (expectedVersion === undefined) {
// No requirement
return;
}
const defExpectedVersion = expectedVersion;
if (ssmParameterName !== undefined) {
try {
doValidate(await this.versionFromSsmParameter(ssmParameterName), this.environment);
return;
}
catch (e) {
if (e.name !== 'AccessDeniedException') {
throw e;
}
// This is a fallback! The bootstrap template that goes along with this change introduces
// a new 'ssm:GetParameter' permission, but when run using the previous bootstrap template we
// won't have the permissions yet to read the version, so we won't be able to show the
// message telling the user they need to update! When we see an AccessDeniedException, fall
// back to the version we read from Stack Outputs; but ONLY if the version we discovered via
// outputs is legitimately an old version. If it's newer than that, something else must be broken,
// so let it fail as it would if we didn't have this fallback.
const bootstrapStack = await this.lookupToolkit();
if (bootstrapStack.found && bootstrapStack.version < BOOTSTRAP_TEMPLATE_VERSION_INTRODUCING_GETPARAMETER) {
(0, logging_1.warning)(`Could not read SSM parameter ${ssmParameterName}: ${(0, error_2.formatErrorMessage)(e)}, falling back to version from ${bootstrapStack}`);
doValidate(bootstrapStack.version, this.environment);
return;
}
throw new error_1.ToolkitError(`This CDK deployment requires bootstrap stack version '${expectedVersion}', but during the confirmation via SSM parameter ${ssmParameterName} the following error occurred: ${e}`);
}
}
// No SSM parameter
const bootstrapStack = await this.lookupToolkit();
doValidate(bootstrapStack.version, this.environment);
function doValidate(version, environment) {
const notices = notices_1.Notices.get();
if (notices) {
// if `Notices` hasn't been initialized there is probably a good
// reason for it. handle gracefully.
notices.addBootstrappedEnvironment({ bootstrapStackVersion: version, environment });
}
if (defExpectedVersion > version) {
throw new error_1.ToolkitError(`This CDK deployment requires bootstrap stack version '${expectedVersion}', found '${version}'. Please run 'cdk bootstrap'.`);
}
}
}
/**
* Read a version from an SSM parameter, cached
*/
async versionFromSsmParameter(parameterName) {
const existing = this.cache.ssmParameters.get(parameterName);
if (existing !== undefined) {
return existing;
}
const ssm = this.sdk.ssm();
try {
const result = await ssm.getParameter({ Name: parameterName });
const asNumber = parseInt(`${result.Parameter?.Value}`, 10);
if (isNaN(asNumber)) {
throw new error_1.ToolkitError(`SSM parameter ${parameterName} not a number: ${result.Parameter?.Value}`);
}
this.cache.ssmParameters.set(parameterName, asNumber);
return asNumber;
}
catch (e) {
if (e.name === 'ParameterNotFound') {
throw new error_1.ToolkitError(`SSM parameter ${parameterName} not found. Has the environment been bootstrapped? Please run \'cdk bootstrap\' (see https://docs.aws.amazon.com/cdk/latest/guide/bootstrapping.html)`);
}
throw e;
}
}
async prepareEcrRepository(repositoryName) {
if (!this.sdk) {
throw new error_1.ToolkitError('ToolkitInfo needs to have been initialized with an sdk to call prepareEcrRepository');
}
const ecr = this.sdk.ecr();
// check if repo already exists
try {
(0, logging_1.debug)(`${repositoryName}: checking if ECR repository already exists`);
const describeResponse = await ecr.describeRepositories({
repositoryNames: [repositoryName],
});
const existingRepositoryUri = describeResponse.repositories[0]?.repositoryUri;
if (existingRepositoryUri) {
return { repositoryUri: existingRepositoryUri };
}
}
catch (e) {
if (e.name !== 'RepositoryNotFoundException') {
throw e;
}
}
// create the repo (tag it so it will be easier to garbage collect in the future)
(0, logging_1.debug)(`${repositoryName}: creating ECR repository`);
const assetTag = { Key: 'awscdk:asset', Value: 'true' };
const response = await ecr.createRepository({
repositoryName,
tags: [assetTag],
});
const repositoryUri = response.repository?.repositoryUri;
if (!repositoryUri) {
throw new error_1.ToolkitError(`CreateRepository did not return a repository URI for ${repositoryUri}`);
}
// configure image scanning on push (helps in identifying software vulnerabilities, no additional charge)
(0, logging_1.debug)(`${repositoryName}: enable image scanning`);
await ecr.putImageScanningConfiguration({
repositoryName,
imageScanningConfiguration: { scanOnPush: true },
});
return { repositoryUri };
}
}
exports.EnvironmentResources = EnvironmentResources;
class NoBootstrapStackEnvironmentResources extends EnvironmentResources {
constructor(environment, sdk) {
super(environment, sdk, emptyCache());
}
/**
* Look up the toolkit for a given environment, using a given SDK
*/
async lookupToolkit() {
throw new error_1.ToolkitError('Trying to perform an operation that requires a bootstrap stack; you should not see this error, this is a bug in the CDK CLI.');
}
}
exports.NoBootstrapStackEnvironmentResources = NoBootstrapStackEnvironmentResources;
function emptyCache() {
return {
ssmParameters: new Map(),
toolkitInfo: undefined,
};
}
/**
* The bootstrap template version that introduced ssm:GetParameter
*/
const BOOTSTRAP_TEMPLATE_VERSION_INTRODUCING_GETPARAMETER = 5;
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type { Environment } from '@aws-cdk/cx-api';\nimport type { SDK } from './aws-auth';\nimport { type EcrRepositoryInfo, ToolkitInfo } from './toolkit-info';\nimport { debug, warning } from '../logging';\nimport { Notices } from '../notices';\nimport { ToolkitError } from '../toolkit/error';\nimport { formatErrorMessage } from '../util/error';\n\n/**\n * Registry class for `EnvironmentResources`.\n *\n * The state management of this class is a bit non-standard. We want to cache\n * data related to toolkit stacks and SSM parameters, but we are not in charge\n * of ensuring caching of SDKs. Since `EnvironmentResources` needs an SDK to\n * function, we treat it as an ephemeral class, and store the actual cached data\n * in `EnvironmentResourcesRegistry`.\n */\nexport class EnvironmentResourcesRegistry {\n  private readonly cache = new Map<string, EnvironmentCache>();\n\n  constructor(private readonly toolkitStackName?: string) {}\n\n  public for(resolvedEnvironment: Environment, sdk: SDK) {\n    const key = `${resolvedEnvironment.account}:${resolvedEnvironment.region}`;\n    let envCache = this.cache.get(key);\n    if (!envCache) {\n      envCache = emptyCache();\n      this.cache.set(key, envCache);\n    }\n    return new EnvironmentResources(resolvedEnvironment, sdk, envCache, this.toolkitStackName);\n  }\n}\n\n/**\n * Interface with the account and region we're deploying into\n *\n * Manages lookups for bootstrapped resources, falling back to the legacy \"CDK Toolkit\"\n * original bootstrap stack if necessary.\n *\n * The state management of this class is a bit non-standard. We want to cache\n * data related to toolkit stacks and SSM parameters, but we are not in charge\n * of ensuring caching of SDKs. Since `EnvironmentResources` needs an SDK to\n * function, we treat it as an ephemeral class, and store the actual cached data\n * in `EnvironmentResourcesRegistry`.\n */\nexport class EnvironmentResources {\n  constructor(\n    public readonly environment: Environment,\n    private readonly sdk: SDK,\n    private readonly cache: EnvironmentCache,\n    private readonly toolkitStackName?: string,\n  ) {}\n\n  /**\n   * Look up the toolkit for a given environment, using a given SDK\n   */\n  public async lookupToolkit() {\n    if (!this.cache.toolkitInfo) {\n      this.cache.toolkitInfo = await ToolkitInfo.lookup(this.environment, this.sdk, this.toolkitStackName);\n    }\n    return this.cache.toolkitInfo;\n  }\n\n  /**\n   * Validate that the bootstrap stack version matches or exceeds the expected version\n   *\n   * Use the SSM parameter name to read the version number if given, otherwise use the version\n   * discovered on the bootstrap stack.\n   *\n   * Pass in the SSM parameter name so we can cache the lookups an don't need to do the same\n   * lookup again and again for every artifact.\n   */\n  public async validateVersion(expectedVersion: number | undefined, ssmParameterName: string | undefined) {\n    if (expectedVersion === undefined) {\n      // No requirement\n      return;\n    }\n    const defExpectedVersion = expectedVersion;\n\n    if (ssmParameterName !== undefined) {\n      try {\n        doValidate(await this.versionFromSsmParameter(ssmParameterName), this.environment);\n        return;\n      } catch (e: any) {\n        if (e.name !== 'AccessDeniedException') {\n          throw e;\n        }\n\n        // This is a fallback! The bootstrap template that goes along with this change introduces\n        // a new 'ssm:GetParameter' permission, but when run using the previous bootstrap template we\n        // won't have the permissions yet to read the version, so we won't be able to show the\n        // message telling the user they need to update! When we see an AccessDeniedException, fall\n        // back to the version we read from Stack Outputs; but ONLY if the version we discovered via\n        // outputs is legitimately an old version. If it's newer than that, something else must be broken,\n        // so let it fail as it would if we didn't have this fallback.\n        const bootstrapStack = await this.lookupToolkit();\n        if (bootstrapStack.found && bootstrapStack.version < BOOTSTRAP_TEMPLATE_VERSION_INTRODUCING_GETPARAMETER) {\n          warning(\n            `Could not read SSM parameter ${ssmParameterName}: ${formatErrorMessage(e)}, falling back to version from ${bootstrapStack}`,\n          );\n          doValidate(bootstrapStack.version, this.environment);\n          return;\n        }\n\n        throw new ToolkitError(\n          `This CDK deployment requires bootstrap stack version '${expectedVersion}', but during the confirmation via SSM parameter ${ssmParameterName} the following error occurred: ${e}`,\n        );\n      }\n    }\n\n    // No SSM parameter\n    const bootstrapStack = await this.lookupToolkit();\n    doValidate(bootstrapStack.version, this.environment);\n\n    function doValidate(version: number, environment: Environment) {\n      const notices = Notices.get();\n      if (notices) {\n        // if `Notices` hasn't been initialized there is probably a good\n        // reason for it. handle gracefully.\n        notices.addBootstrappedEnvironment({ bootstrapStackVersion: version, environment });\n      }\n      if (defExpectedVersion > version) {\n        throw new ToolkitError(\n          `This CDK deployment requires bootstrap stack version '${expectedVersion}', found '${version}'. Please run 'cdk bootstrap'.`,\n        );\n      }\n    }\n  }\n\n  /**\n   * Read a version from an SSM parameter, cached\n   */\n  public async versionFromSsmParameter(parameterName: string): Promise<number> {\n    const existing = this.cache.ssmParameters.get(parameterName);\n    if (existing !== undefined) {\n      return existing;\n    }\n\n    const ssm = this.sdk.ssm();\n\n    try {\n      const result = await ssm.getParameter({ Name: parameterName });\n\n      const asNumber = parseInt(`${result.Parameter?.Value}`, 10);\n      if (isNaN(asNumber)) {\n        throw new ToolkitError(`SSM parameter ${parameterName} not a number: ${result.Parameter?.Value}`);\n      }\n\n      this.cache.ssmParameters.set(parameterName, asNumber);\n      return asNumber;\n    } catch (e: any) {\n      if (e.name === 'ParameterNotFound') {\n        throw new ToolkitError(\n          `SSM parameter ${parameterName} not found. Has the environment been bootstrapped? Please run \\'cdk bootstrap\\' (see https://docs.aws.amazon.com/cdk/latest/guide/bootstrapping.html)`,\n        );\n      }\n      throw e;\n    }\n  }\n\n  public async prepareEcrRepository(repositoryName: string): Promise<EcrRepositoryInfo> {\n    if (!this.sdk) {\n      throw new ToolkitError('ToolkitInfo needs to have been initialized with an sdk to call prepareEcrRepository');\n    }\n    const ecr = this.sdk.ecr();\n\n    // check if repo already exists\n    try {\n      debug(`${repositoryName}: checking if ECR repository already exists`);\n      const describeResponse = await ecr.describeRepositories({\n        repositoryNames: [repositoryName],\n      });\n      const existingRepositoryUri = describeResponse.repositories![0]?.repositoryUri;\n      if (existingRepositoryUri) {\n        return { repositoryUri: existingRepositoryUri };\n      }\n    } catch (e: any) {\n      if (e.name !== 'RepositoryNotFoundException') {\n        throw e;\n      }\n    }\n\n    // create the repo (tag it so it will be easier to garbage collect in the future)\n    debug(`${repositoryName}: creating ECR repository`);\n    const assetTag = { Key: 'awscdk:asset', Value: 'true' };\n    const response = await ecr.createRepository({\n      repositoryName,\n      tags: [assetTag],\n    });\n    const repositoryUri = response.repository?.repositoryUri;\n    if (!repositoryUri) {\n      throw new ToolkitError(`CreateRepository did not return a repository URI for ${repositoryUri}`);\n    }\n\n    // configure image scanning on push (helps in identifying software vulnerabilities, no additional charge)\n    debug(`${repositoryName}: enable image scanning`);\n    await ecr.putImageScanningConfiguration({\n      repositoryName,\n      imageScanningConfiguration: { scanOnPush: true },\n    });\n\n    return { repositoryUri };\n  }\n}\n\nexport class NoBootstrapStackEnvironmentResources extends EnvironmentResources {\n  constructor(environment: Environment, sdk: SDK) {\n    super(environment, sdk, emptyCache());\n  }\n\n  /**\n   * Look up the toolkit for a given environment, using a given SDK\n   */\n  public async lookupToolkit(): Promise<ToolkitInfo> {\n    throw new ToolkitError(\n      'Trying to perform an operation that requires a bootstrap stack; you should not see this error, this is a bug in the CDK CLI.',\n    );\n  }\n}\n\n/**\n * Data that is cached on a per-environment level\n *\n * This cache may be shared between different instances of the `EnvironmentResources` class.\n */\ninterface EnvironmentCache {\n  readonly ssmParameters: Map<string, number>;\n  toolkitInfo?: ToolkitInfo;\n}\n\nfunction emptyCache(): EnvironmentCache {\n  return {\n    ssmParameters: new Map(),\n    toolkitInfo: undefined,\n  };\n}\n\n/**\n * The bootstrap template version that introduced ssm:GetParameter\n */\nconst BOOTSTRAP_TEMPLATE_VERSION_INTRODUCING_GETPARAMETER = 5;\n"]}