import process from 'node:process'; import { AmplifyError, AmplifyFault, CDKContextKey, } from '@aws-amplify/platform-core'; import path from 'path'; import { MemoryContext, StackSelectionStrategy, } from '@aws-cdk/toolkit-lib'; import { tsImport } from 'tsx/esm/api'; import { CloudAssembly } from 'aws-cdk-lib/cx-api'; import { pathToFileURL } from 'url'; import { AssetStaging } from 'aws-cdk-lib/core'; import { Worker } from 'node:worker_threads'; /** * Invokes CDK command via execa */ export class CDKDeployer { cdkErrorMapper; backendLocator; packageManagerController; cdkToolkit; ioHost; absoluteCloudAssemblyLocation = path.resolve(process.cwd(), '.amplify/artifacts/cdk.out'); /** * Instantiates instance of CDKDeployer */ constructor(cdkErrorMapper, backendLocator, packageManagerController, cdkToolkit, ioHost) { this.cdkErrorMapper = cdkErrorMapper; this.backendLocator = backendLocator; this.packageManagerController = packageManagerController; this.cdkToolkit = cdkToolkit; this.ioHost = ioHost; } /** * Invokes cdk deploy API */ deploy = async (backendId, deployProps) => { // Hack?? CDK uses global asset cache that is not cleared if assets are // changing within the same process (which now happens with CDK Toolkit APIs) // See https://github.com/aws/aws-cdk-cli/issues/236 AssetStaging.clearAssetHashCache(); const cx = await this.getCdkCloudAssembly(backendId, deployProps?.secretLastUpdated?.getTime()); // Initiate synth for the cloud executable and send a message for display. const synthStartTime = Date.now(); let synthAssembly, synthError = undefined; await this.ioHost.notify({ message: `Backend synthesis started`, code: 'SYNTH_STARTED', action: 'amplify', time: new Date(), level: 'info', data: undefined, }); try { synthAssembly = await this.cdkToolkit.synth(cx, { stacks: { strategy: StackSelectionStrategy.ALL_STACKS, }, }); } catch (error) { synthError = error; } const synthTimeSeconds = Math.floor((Date.now() - synthStartTime) / 10) / 100; await this.ioHost.notify({ message: `Backend synthesized in ${synthTimeSeconds} seconds`, code: 'SYNTH_FINISHED', action: 'amplify', time: new Date(), level: 'result', data: undefined, }); // Typescript compilation. For type related errors, we prefer to show errors from TS to customers rather than synth const typeCheckStartTime = Date.now(); await this.ioHost.notify({ message: `Backend type checks started`, code: 'TS_STARTED', action: 'amplify', time: new Date(), level: 'info', data: undefined, }); if (deployProps?.validateAppSources) { try { await this.compileProject(path.dirname(this.backendLocator.locate())); } catch (typeError) { if (synthError && AmplifyError.isAmplifyError(typeError) && typeError.name === 'FunctionEnvVarFileNotGeneratedError') { // synth has failed and we don't have auto generated function environment definition files. This // resulted in the exception caught here, which is not very useful for the customers. // We instead throw the synth error for customers to fix what caused the synth to fail. throw this.cdkErrorMapper.getAmplifyError(synthError, backendId.type); } throw typeError; } finally { const typeCheckTimeSeconds = Math.floor((Date.now() - typeCheckStartTime) / 10) / 100; await this.ioHost.notify({ message: `Type checks completed in ${typeCheckTimeSeconds} seconds`, code: 'TS_FINISHED', action: 'amplify', time: new Date(), level: 'result', data: undefined, }); } } // If typescript compilation was successful but synth had failed, we throw synth error if (synthError) { throw this.cdkErrorMapper.getAmplifyError(synthError, backendId.type); } // Perform actual deployment. CFN or hotswap const deployStartTime = Date.now(); try { await this.cdkToolkit.deploy(synthAssembly, { stacks: { strategy: StackSelectionStrategy.ALL_STACKS, }, deploymentMethod: backendId.type === 'sandbox' ? { method: 'hotswap', fallback: { method: 'direct' } } : { method: 'direct' }, }); } catch (error) { await this.ioHost.notify({ message: 'Deployment failed', code: 'DEPLOY_FAILED', action: 'amplify', time: new Date(), level: 'error', data: undefined, }); throw this.cdkErrorMapper.getAmplifyError(error, backendId.type); } finally { await synthAssembly?.dispose(); } return { deploymentTimes: { synthesisTime: synthTimeSeconds, totalTime: synthTimeSeconds + Math.floor((Date.now() - deployStartTime) / 10) / 100, }, }; }; /** * Invokes cdk destroy API */ destroy = async (backendId) => { const deploymentStartTime = Date.now(); try { await this.cdkToolkit.destroy(await this.getCdkCloudAssembly(backendId), { stacks: { strategy: StackSelectionStrategy.ALL_STACKS, }, }); return { deploymentTimes: { totalTime: Math.floor((Date.now() - deploymentStartTime) / 10) / 100, }, }; } catch (error) { throw this.cdkErrorMapper.getAmplifyError(error, backendId.type); } }; compileProject = (projectDirectory) => { return new Promise((resolve, reject) => { const worker = new Worker(new URL('ts_compiler.js', import.meta.url), { workerData: { projectDirectory }, }); worker.on('message', () => { // do nothing }); worker.on('error', reject); worker.on('exit', (code) => { if (code !== 0) { reject(new AmplifyFault('TSCompilerWorkerFault', { message: `Worker stopped with exit code ${code}`, })); } resolve(); }); }); }; /** * Build cloud executable from dynamically importing the cdk ts file, i.e. backend.ts */ getCdkCloudAssembly = (backendId, secretLastUpdated) => { const contextParams = {}; if (backendId.type === 'sandbox') { if (secretLastUpdated) { contextParams['secretLastUpdated'] = secretLastUpdated; } } contextParams[CDKContextKey.BACKEND_NAMESPACE] = backendId.namespace; contextParams[CDKContextKey.BACKEND_NAME] = backendId.name; contextParams[CDKContextKey.DEPLOYMENT_TYPE] = backendId.type; return this.cdkToolkit.fromAssemblyBuilder(async () => { await tsImport(pathToFileURL(this.backendLocator.locate()).toString(), import.meta.url); /** By not having a child process with toolkit lib, the `process.on('beforeExit')` does not execute on the CDK side resulting in the app not getting synthesized properly. So we send a signal/message to the same process and catch it in backend package where App is initialized to explicitly perform synth */ process.emit('message', 'amplifySynth', undefined); return new CloudAssembly(this.absoluteCloudAssemblyLocation); }, { contextStore: new MemoryContext(contextParams), outdir: this.absoluteCloudAssemblyLocation, }); }; } //# 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process from 'node:process';\n\nimport {\n  BackendDeployer,\n  DeployProps,\n} from './cdk_deployer_singleton_factory.js';\nimport { CdkErrorMapper } from './cdk_error_mapper.js';\nimport {\n  AmplifyIOHost,\n  BackendIdentifier,\n  type PackageManagerController,\n} from '@aws-amplify/plugin-types';\nimport {\n  AmplifyError,\n  AmplifyFault,\n  BackendLocator,\n  CDKContextKey,\n} from '@aws-amplify/platform-core';\nimport path from 'path';\nimport {\n  MemoryContext,\n  StackSelectionStrategy,\n  Toolkit,\n} from '@aws-cdk/toolkit-lib';\nimport { tsImport } from 'tsx/esm/api';\nimport { CloudAssembly } from 'aws-cdk-lib/cx-api';\nimport { pathToFileURL } from 'url';\nimport { AssetStaging } from 'aws-cdk-lib/core';\nimport { Worker } from 'node:worker_threads';\n\n/**\n * Invokes CDK command via execa\n */\nexport class CDKDeployer implements BackendDeployer {\n  private readonly absoluteCloudAssemblyLocation = path.resolve(\n    process.cwd(),\n    '.amplify/artifacts/cdk.out',\n  );\n\n  /**\n   * Instantiates instance of CDKDeployer\n   */\n  constructor(\n    private readonly cdkErrorMapper: CdkErrorMapper,\n    private readonly backendLocator: BackendLocator,\n    private readonly packageManagerController: PackageManagerController,\n    private readonly cdkToolkit: Toolkit,\n    private readonly ioHost: AmplifyIOHost,\n  ) {}\n\n  /**\n   * Invokes cdk deploy API\n   */\n  deploy = async (backendId: BackendIdentifier, deployProps?: DeployProps) => {\n    // Hack?? CDK uses global asset cache that is not cleared if assets are\n    // changing within the same process (which now happens with CDK Toolkit APIs)\n    // See https://github.com/aws/aws-cdk-cli/issues/236\n    AssetStaging.clearAssetHashCache();\n\n    const cx = await this.getCdkCloudAssembly(\n      backendId,\n      deployProps?.secretLastUpdated?.getTime(),\n    );\n    // Initiate synth for the cloud executable and send a message for display.\n    const synthStartTime = Date.now();\n    let synthAssembly,\n      synthError: Error | undefined = undefined;\n    await this.ioHost.notify({\n      message: `Backend synthesis started`,\n      code: 'SYNTH_STARTED',\n      action: 'amplify',\n      time: new Date(),\n      level: 'info',\n      data: undefined,\n    });\n\n    try {\n      synthAssembly = await this.cdkToolkit.synth(cx, {\n        stacks: {\n          strategy: StackSelectionStrategy.ALL_STACKS,\n        },\n      });\n    } catch (error) {\n      synthError = error as Error;\n    }\n\n    const synthTimeSeconds =\n      Math.floor((Date.now() - synthStartTime) / 10) / 100;\n\n    await this.ioHost.notify({\n      message: `Backend synthesized in ${synthTimeSeconds} seconds`,\n      code: 'SYNTH_FINISHED',\n      action: 'amplify',\n      time: new Date(),\n      level: 'result',\n      data: undefined,\n    });\n\n    // Typescript compilation. For type related errors, we prefer to show errors from TS to customers rather than synth\n    const typeCheckStartTime = Date.now();\n    await this.ioHost.notify({\n      message: `Backend type checks started`,\n      code: 'TS_STARTED',\n      action: 'amplify',\n      time: new Date(),\n      level: 'info',\n      data: undefined,\n    });\n\n    if (deployProps?.validateAppSources) {\n      try {\n        await this.compileProject(path.dirname(this.backendLocator.locate()));\n      } catch (typeError) {\n        if (\n          synthError &&\n          AmplifyError.isAmplifyError(typeError) &&\n          typeError.name === 'FunctionEnvVarFileNotGeneratedError'\n        ) {\n          // synth has failed and we don't have auto generated function environment definition files. This\n          // resulted in the exception caught here, which is not very useful for the customers.\n          // We instead throw the synth error for customers to fix what caused the synth to fail.\n          throw this.cdkErrorMapper.getAmplifyError(synthError, backendId.type);\n        }\n        throw typeError;\n      } finally {\n        const typeCheckTimeSeconds =\n          Math.floor((Date.now() - typeCheckStartTime) / 10) / 100;\n        await this.ioHost.notify({\n          message: `Type checks completed in ${typeCheckTimeSeconds} seconds`,\n          code: 'TS_FINISHED',\n          action: 'amplify',\n          time: new Date(),\n          level: 'result',\n          data: undefined,\n        });\n      }\n    }\n\n    // If typescript compilation was successful but synth had failed, we throw synth error\n    if (synthError) {\n      throw this.cdkErrorMapper.getAmplifyError(synthError, backendId.type);\n    }\n\n    // Perform actual deployment. CFN or hotswap\n    const deployStartTime = Date.now();\n    try {\n      await this.cdkToolkit.deploy(synthAssembly!, {\n        stacks: {\n          strategy: StackSelectionStrategy.ALL_STACKS,\n        },\n        deploymentMethod:\n          backendId.type === 'sandbox'\n            ? { method: 'hotswap', fallback: { method: 'direct' } }\n            : { method: 'direct' },\n      });\n    } catch (error) {\n      await this.ioHost.notify({\n        message: 'Deployment failed',\n        code: 'DEPLOY_FAILED',\n        action: 'amplify',\n        time: new Date(),\n        level: 'error',\n        data: undefined,\n      });\n      throw this.cdkErrorMapper.getAmplifyError(error as Error, backendId.type);\n    } finally {\n      await synthAssembly?.dispose();\n    }\n\n    return {\n      deploymentTimes: {\n        synthesisTime: synthTimeSeconds,\n        totalTime:\n          synthTimeSeconds +\n          Math.floor((Date.now() - deployStartTime) / 10) / 100,\n      },\n    };\n  };\n\n  /**\n   * Invokes cdk destroy API\n   */\n  destroy = async (backendId: BackendIdentifier) => {\n    const deploymentStartTime = Date.now();\n    try {\n      await this.cdkToolkit.destroy(await this.getCdkCloudAssembly(backendId), {\n        stacks: {\n          strategy: StackSelectionStrategy.ALL_STACKS,\n        },\n      });\n      return {\n        deploymentTimes: {\n          totalTime: Math.floor((Date.now() - deploymentStartTime) / 10) / 100,\n        },\n      };\n    } catch (error) {\n      throw this.cdkErrorMapper.getAmplifyError(error as Error, backendId.type);\n    }\n  };\n\n  compileProject = (projectDirectory: string): Promise<void> => {\n    return new Promise((resolve, reject) => {\n      const worker = new Worker(new URL('ts_compiler.js', import.meta.url), {\n        workerData: { projectDirectory },\n      });\n      worker.on('message', () => {\n        // do nothing\n      });\n      worker.on('error', reject);\n      worker.on('exit', (code) => {\n        if (code !== 0) {\n          reject(\n            new AmplifyFault('TSCompilerWorkerFault', {\n              message: `Worker stopped with exit code ${code}`,\n            }),\n          );\n        }\n        resolve();\n      });\n    });\n  };\n\n  /**\n   * Build cloud executable from dynamically importing the cdk ts file, i.e. backend.ts\n   */\n  private getCdkCloudAssembly = (\n    backendId: BackendIdentifier,\n    secretLastUpdated?: number,\n  ) => {\n    const contextParams: {\n      [key: string]: unknown;\n    } = {};\n\n    if (backendId.type === 'sandbox') {\n      if (secretLastUpdated) {\n        contextParams['secretLastUpdated'] = secretLastUpdated;\n      }\n    }\n\n    contextParams[CDKContextKey.BACKEND_NAMESPACE] = backendId.namespace;\n    contextParams[CDKContextKey.BACKEND_NAME] = backendId.name;\n    contextParams[CDKContextKey.DEPLOYMENT_TYPE] = backendId.type;\n    return this.cdkToolkit.fromAssemblyBuilder(\n      async () => {\n        await tsImport(\n          pathToFileURL(this.backendLocator.locate()).toString(),\n          import.meta.url,\n        );\n\n        /**\n          By not having a child process with toolkit lib, the `process.on('beforeExit')` does not execute\n          on the CDK side resulting in the app not getting synthesized properly. So we send a signal/message\n          to the same process and catch it in backend package where App is initialized to explicitly perform synth\n         */\n        process.emit('message', 'amplifySynth', undefined);\n        return new CloudAssembly(this.absoluteCloudAssemblyLocation);\n      },\n      {\n        contextStore: new MemoryContext(contextParams),\n        outdir: this.absoluteCloudAssemblyLocation,\n      },\n    );\n  };\n}\n"]}