---

- fail: 
    msg: "Mandatory variables {{ item }} are not set"
  when: "{{ item }} is not defined"
  with_items:
    - s3Bucket
    - workspace_dir
    - awsProfile

- name: Ensure root access for the user
  shell: ls /root
  register: lsResult
  ignore_errors: true

- fail:
    msg: "{{ansible_ssh_user}} does not have permission to /{{user}}."
  when:
    - lsResult.rc != 0

- name: Ensure that download directory can be created
  file:
    path: "{{ item }}"
    state: directory
    mode: '0755'
  with_items:
    - "{{ download_dir }}"
    - "{{ download_a2c_extracts_dir }}"
  when:
    - (worker_mode == true and inventory_hostname in groups['onPremisesWorkerServer'] or
       worker_mode == false and inventory_hostname in groups['onPremisesApplicationServer'])
   
- name: Ensure tar is present
  shell: which tar
  register: tarResult
  ignore_errors: true

- name: Install tar if not present
  package:
    name: tar
    state: latest
  when:
    - tarResult.rc != 0

- name: "Ensure that the AWS Cli is installed "
  shell: which aws
  register: awsResult
  ignore_errors: true
  when:
    - (worker_mode == true and inventory_hostname in groups['onPremisesWorkerServer'] or
       worker_mode == false and inventory_hostname in groups['onPremisesApplicationServer'])

- name: Create the temp download directory for awccli installation
  file:
    path: "{{ download_awscli_dir }}"
    state: directory
    mode: '0755'
  when:
    - (worker_mode == true and inventory_hostname in groups['onPremisesWorkerServer'] or
      worker_mode == false and inventory_hostname in groups['onPremisesApplicationServer'])
    - awsResult.rc != 0

- name: Download the aws cli tar
  get_url:
    url: "{{ awscli_url }}" 
    dest: "{{download_awscli_dir}}/awscliv2.zip"
  when:
    - (worker_mode == true and inventory_hostname in groups['onPremisesWorkerServer'] or
      worker_mode == false and inventory_hostname in groups['onPremisesApplicationServer'])
    - awsResult.rc != 0

- name: unzip the aws cli
  unarchive:
    src: "{{download_awscli_dir}}/awscliv2.zip"
    dest: "{{download_awscli_dir}}"
    remote_src: yes
  when:
    - (worker_mode == true and inventory_hostname in groups['onPremisesWorkerServer'] or
      worker_mode == false and inventory_hostname in groups['onPremisesApplicationServer'])
    - awsResult.rc != 0

- name: run the install script
  shell: ./install
  args:
    chdir: "{{download_awscli_dir}}/aws"
  become: yes
  when:
    - (worker_mode == true and inventory_hostname in groups['onPremisesWorkerServer'] or
      worker_mode == false and inventory_hostname in groups['onPremisesApplicationServer'])
    - awsResult.rc != 0
  ignore_errors: true

- name: Remove the temp download directory for awscli installation
  file:
    path: "{{ download_awscli_dir }}"
    state: absent
    mode: '0755'
  when:
    - (worker_mode == true and inventory_hostname in groups['onPremisesWorkerServer'] or
      worker_mode == false and inventory_hostname in groups['onPremisesApplicationServer'])

- name: Check if the aws s3 bucket can be queried from the configured profile
  shell: aws s3 ls {{ s3Bucket }}
  register: s3LsResult
  failed_when: s3LsResult.rc != 0
  when:
    - (worker_mode == true and inventory_hostname in groups['onPremisesWorkerServer'] or
       worker_mode == false and inventory_hostname in groups['onPremisesApplicationServer'])


- name: Ensure Docker is installed on the Worker Machine
  package:
    name: docker
    state: latest
  become: yes
  when:
    - (worker_mode == true and inventory_hostname in groups['onPremisesWorkerServer'] or
       worker_mode == false and inventory_hostname in groups['onPremisesApplicationServer'])

- name: Start the docker service
  service:
    name: docker
    state: restarted
  when:
    - (worker_mode == true and inventory_hostname in groups['onPremisesWorkerServer'] or
       worker_mode == false and inventory_hostname in groups['onPremisesApplicationServer'])

- name: Ensure that disk has minimum space available
  shell : df --output=avail / | tail -1
  register: freespace

- fail:
    msg: / does not have the minimum space required to continue.
  when:
    - freespace.stdout|float <= {{ free_disk_space_needed }}