[20190822194002] Bug Fixes, AWS Workaround

Notes

  • fixes for EKS-based rack updates when there is no associated cloudformation update
  • workaround for a now-fixed bug with the ECS:ListTasks API

Pull Requests

  • #3293 allow kaws rack update to proceed when stack update is noop [@ddollar]
  • #3295 dedupe tasks to work around bug in ECS:ListTasks [@ddollar]