constructor()

in packages/cdk/lib/constructs/api-proxy.ts [51:89]

• 36 lines of code
• 6 McCabe index (conditional complexity)

  constructor(scope: Construct, props: ApiProxyProps) {
    super(scope, "ApiProxy");

    if ((props.lambda && props.loadBalancer) || (!props.lambda && !props.loadBalancer)) {
      throw Error("Either lambda or loadBalancer must be specified, but not both");
    }

    this.accessLogGroup = new LogGroup(this, "AccessLogGroup");
    this.restApi = new RestApi(this, "Resource", {
      restApiName: props.apiName,
      endpointTypes: [EndpointType.REGIONAL],
      description: "API proxy endpoint for a service",
      apiKeySourceType: ApiKeySourceType.HEADER,
      deployOptions: {
        loggingLevel: MethodLoggingLevel.INFO,
        dataTraceEnabled: true,
        accessLogFormat: this.renderAccessLogFormat(),
        accessLogDestination: new LogGroupLogDestination(this.accessLogGroup),
      },
      policy: new PolicyDocument({
        statements: [
          new PolicyStatement({
            actions: ["execute-api:Invoke"],
            resources: ["execute-api:/*/*"],
            principals: props.allowedAccountIds.map((accountId) => new AccountPrincipal(accountId)),
          }),
        ],
      }),
    });

    const apiTarget = props.lambda ? new LambdaIntegration(props.lambda) : this.renderHttpTarget(props.loadBalancer!);
    this.restApi.root.addProxy({
      defaultIntegration: apiTarget,
      defaultMethodOptions: {
        authorizationType: AuthorizationType.IAM,
        requestParameters: { "method.request.path.proxy": true },
      },
    });
  }