async function firewallManager()

in source/networkFirewallAutomation/index.ts [32:85]
45 lines of code
8 McCabe index (conditional complexity)

async function firewallManager() {

  // declare environment variables
  let envProps: EnvironmentProps = {
    vpcId: process.env.VPC_ID,
    subnetIds: process.env.SUBNET_IDS,
    logDestinationType: process.env.LOG_DESTINATION_TYPE, //S3 or CloudWatchLogs
    logDestination: process.env.S3_LOG_BUCKET_NAME !== 'NotConfigured' ? process.env.S3_LOG_BUCKET_NAME : process.env.CLOUDWATCH_LOG_GROUP_NAME, //S3 bucket name or CloudWatchLogs group name
    logType: process.env.LOG_TYPE, //ALERT OR FLOW
    logRetentionPeriod: process.env.LOG_RETENTION_IN_DAYS,
    stackId: process.env.STACK_ID ? process.env.STACK_ID : ""
  }

  const transitGatewayAttachmentId = process.env.TRANSIT_GATEWAY_ATTACHMENT_ID ? process.env.TRANSIT_GATEWAY_ATTACHMENT_ID : "";
  const applianceMode = process.env.TRANSIT_GATEWAY_ATTACHMENT_APPLIANCE_MODE ? process.env.TRANSIT_GATEWAY_ATTACHMENT_APPLIANCE_MODE : "enable";
  Ec2Manager.updateTransitGatewayAttachementApplianceMode(transitGatewayAttachmentId, applianceMode);
  

  let ec2EnvProps: Ec2EnvironmentProps[] = [
    {
    availabilityZone: process.env.VPC_TGW_ATTACHMENT_AZ_1,
    routeTableId: process.env.VPC_TGW_ATTACHMENT_ROUTE_TABLE_ID_1
    },
    {
      availabilityZone: process.env.VPC_TGW_ATTACHMENT_AZ_2,
      routeTableId: process.env.VPC_TGW_ATTACHMENT_ROUTE_TABLE_ID_2
    }]

  try {
    const currentPath = process.cwd()
    const directoryPath = currentPath.concat(ConfigPath.firewallDirectory)

    const fileHandler = new ConfigReader()
    const firewallFiles = fileHandler.getJSONFileNames(directoryPath)

    for (let filePath of firewallFiles) {

      Logger.log(LOG_LEVEL.INFO, `Processing ${filePath}`)
      let firewallObject = fileHandler.convertFileToObject(filePath)
      Logger.log(LOG_LEVEL.INFO, firewallObject)
      let firewallMgr = new NetworkFirewallManager(envProps, firewallObject, fileHandler)
      const syncStates = await firewallMgr.firewallOperations()
      Logger.log(LOG_LEVEL.INFO, syncStates)
      Logger.log(LOG_LEVEL.INFO, `Creating route to firewall endpoint.`)
      if (syncStates) {
        const ec2Mgr = new Ec2Manager(ec2EnvProps, syncStates)
        await ec2Mgr.routeTableOperations()
      }
    }
  } catch (error) {
    Logger.log(LOG_LEVEL.ERROR, `Failed to deploy/update Network Firewall`, error)
    process.exit(1)
  }
}