constructor()

in source/infrastructure/lib/custom-resource.ts [76:136]
54 lines of code
1 McCabe index (conditional complexity)

  constructor(scope: Construct, id: string, props: CustomResourcesConstructProps) {
    super(scope, id);

    this.sourceCodeBucket = props.solutionConfig.sourceCodeBucket;
    this.sourceCodePrefix = props.solutionConfig.sourceCodePrefix;

    this.helperLambdaRole = new Role(this, 'HelperLambdaRole', {
      assumedBy: new ServicePrincipal('lambda.amazonaws.com'),
      path: '/',
      inlinePolicies: {
        'customResourcePolicy': new PolicyDocument({
          statements: [
            new PolicyStatement({
              effect: Effect.ALLOW,
              actions: ['iot:DescribeEndpoint'],
              resources: ['*']
            })
          ]
        })
      }
    });
    this.helperLambdaRole.attachInlinePolicy(props.cloudWatchLogsPolicy);
    addCfnSuppressRules(this.helperLambdaRole, [
      { id: 'W11', reason: 'iot:DescribeEndpoint cannot specify the resource.' }
    ]);

    this.helperLambda = new LambdaFunction(this, 'HelperLambda', {
      description: 'IoT Device Simulator custom resource function',
      handler: 'index.handler',
      runtime: Runtime.NODEJS_14_X,
      code: Code.fromBucket(this.sourceCodeBucket, `${this.sourceCodePrefix}/custom-resource.zip`),
      timeout: Duration.seconds(240),
      role: this.helperLambdaRole,
      environment: {
        SOLUTION_ID: props.solutionConfig.solutionId,
        SOLUTION_VERSION: props.solutionConfig.solutionVersion
      }
    });
    (this.helperLambda.node.defaultChild as CfnFunction).addDependsOn(props.cloudWatchLogsPolicy.node.defaultChild as CfnPolicy);

    const customIds = new CustomResource(this, 'UUID', {
      serviceToken: this.helperLambda.functionArn,
      properties: {
        Resource: 'CreateUUID',
        StackName: Aws.STACK_NAME
      }
    });
    this.uuid = customIds.getAtt('UUID').toString();
    this.uniqueSuffix = customIds.getAtt('UNIQUE_SUFFIX').toString();
    this.reducedStackName = customIds.getAtt('REDUCED_STACK_NAME').toString();


    const customIotEndpoint = new CustomResource(this, 'EndpointAddress', {
      serviceToken: this.helperLambda.functionArn,
      properties: {
        Resource: 'DescribeIoTEndpoint'
      }
    });

    this.iotEndpoint = customIotEndpoint.getAtt('IOT_ENDPOINT').toString();
  }