---
- hosts: '{{ hosts }}'

  vars:
    ansible_config: ~/.ansible
    
  tasks:
  - name: Install system packages
    become: yes
    yum:
      name: '{{ item }}'
      state: present
    with_items:
    - elasticache-auto-discovery
    when: ansible_os_family | lower == 'redhat'

  - name: Update .bashrc with aws_access_key
    lineinfile:
      backup: yes
      dest: ~/.bashrc
      state: present
      line: 'export AWS_SECRET_ACCESS_KEY={{ aws_access_key }}'
    when: aws_access_key is defined and update_env is defined and update_env

  - name: Update .bashrc with aws_secret_key
    lineinfile:
      backup: yes
      dest: ~/.bashrc
      state: present
      line: 'export AWS_ACCESS_KEY_ID={{ aws_secret_key }}'
    when: aws_secret_key is defined and update_env is defined and update_env

  - name: Update .bashrc with aws_region
    lineinfile:
      backup: yes
      dest: ~/.bashrc
      state: present
      line: 'export AWS_REGION={{ aws_region }}'
    when: aws_secret_key is defined and update_env is defined and update_env