CodeDeploy ruby 2.5+ non empty directories fix

appspec.yml

files:
  - source: files/codedeploy_install_instruction.patch
    destination: /tmp
hooks:
  AfterInstall:
    - location: scripts/patch_codedeploy_and_restart.sh
      timeout: 300
      runas: root

codedeploy_install_instruction.patch

212,215c212,215
<               # TODO (AWSGLUE-713): handle the exception if the directory is non-empty;
<               # this might mean the customer has put files in this directory and we should
<               # probably ignore the error and move on
<               FileUtils.rmdir(@file_path)
---
>                begin
>                  FileUtils.rmdir(@file_path)
>                rescue Errno::ENOTEMPTY
>                end

patch_codedeploy_and_restart.sh

#!/bin/bash
patch /opt/codedeploy-agent/lib/instance_agent/plugins/codedeploy/install_instruction.rb /tmp/codedeploy_install_instruction.patch
systemctl restart amazon-cloudwatch-agent.service

Replication of already accepted PR (aws/aws-codedeploy-agent#201) which unfortunately hasn't been added to AWS official release yet.

This is a workaround until that PR hits official release for people running > ruby 2.5 as opposed to the Amazon Linux 2 default of 2.0.0 (yuck).

Could move script to BeforeInstall most likely if you have issues on first run like some people have