private addFunction()

in lib/presence-stack.ts [78:98]

• 19 lines of code
• 3 McCabe index (conditional complexity)

  private addFunction(name: string, useRedis: boolean = true) : void {
    const props = useRedis ? {
      vpc: this.vpc,
      vpcSubnets: this.vpc.selectSubnets({subnetGroupName: "Lambda"}),
      securityGroups: [this.lambdaSG]
    } : {};
    const fn = new Lambda.Function(this, name, {
      ...props,
      code: Lambda.Code.fromAsset(path.resolve(__dirname, `../src/functions/${name}/`)),
      runtime: Lambda.Runtime.NODEJS_12_X,
      handler: `${name}.handler`
    });
    // Specific elements to add for redis access
    if (useRedis) {
      fn.addLayers(this.redisLayer);
      fn.addEnvironment("REDIS_HOST", this.redisCluster.attrPrimaryEndPointAddress);
      fn.addEnvironment("REDIS_PORT", this.redisCluster.attrPrimaryEndPointPort);
    }
    // Store the function for further internal access
    this.functions[name] = fn;
  };