say25/apartment-finder

Code to Track an Apartment

Apartment Finder

An application that polls an API to check for an available apartment matching specific criteria.

High Level Overview

• Lambda function is invoked by CRON
  • Daytime (9am-9pm) - Every 5 minutes
  • Evening (9pm-9am) - Every 15 minutes
• Lambda function executes
  1. Queries apartment API
  2. Sends 2 metrics to CloudWatch
     1. Total Units Available
     2. Units Matching Criteria
• CloudWatch Alarms Watch exist for the following conditions
  1. Are there any matching units?
     • If so send a PagerDuty alert to notify interested party that there is a unit available
  2. Lambda function executing successfully?
     • If not send a PagerDuty alert to notify developer that function is not executing correctly
  3. Lambda function being invoked?
     • If not send a PagerDuty alert to notify developer that function is not executing correctly

Infrastructure

This application is Terraformed. If creating from scratch, this application will upload an empty lambda function. The developer will need to upload the code afterwards.

Documentation

Additional documentation lives in the docs folder.