constructor()

in src/api-gateway.ts [55:93]

• 35 lines of code
• 5 McCabe index (conditional complexity)

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

    this.api = props.restApi.node.findChild('Resource') as apigw.CfnRestApi;
    this.apiName = this.api.name!;
    this.stage = props.restApi.deploymentStage.stageName;
    this.watchful = props.watchful;
    this.metrics = new ApiGatewayMetricFactory();

    const alarmThreshold = props.serverErrorThreshold == null ? 1 : props.serverErrorThreshold;
    if (alarmThreshold) {

      const count5xxMetric = this.metrics.metricErrors(this.apiName, this.stage).count5XX.with({
        statistic: 'sum',
        period: Duration.minutes(5),
      });
      this.watchful.addAlarm(
        count5xxMetric.createAlarm(this, '5XXErrorAlarm', {
          alarmDescription: `at ${alarmThreshold}`,
          threshold: alarmThreshold,
          comparisonOperator:
              ComparisonOperator.GREATER_THAN_OR_EQUAL_TO_THRESHOLD,
          evaluationPeriods: 1,
        }),
      );
    }

    this.watchful.addSection(props.title, {
      links: [{ title: 'Amazon API Gateway Console', url: linkForApiGateway(props.restApi) }],
    });
    [undefined, ...props.watchedOperations || []].forEach(operation =>
      this.watchful.addWidgets(
        this.createCallGraphWidget(operation, alarmThreshold),
        ...props.cacheGraph ? [this.createCacheGraphWidget(operation)] : [],
        this.createLatencyGraphWidget(operation),
        this.createIntegrationLatencyGraphWidget(operation),
      ),
    );
  }