oam/ansible/playbooks/aws.ec2.enable-ssm-agent.yml

---
- name: Enable SSM management through agent
  hosts: all
  tasks:
    - name: Install the SSM Agent
      tags:
        - agent
        - package
      become: true
      ansible.builtin.package:
        name: amazon-ssm-agent
        state: latest
      register: package
    - name: Enable required services
      tags:
        - agent
        - service
      become: true
      ansible.builtin.service:
        name: amazon-ssm-agent.service
        state: started
        enabled: true
      register: service
  post_tasks:
    - name: Check everything is working from the instance
      tags:
        - check
      when:
        - package is not failed
        - service is not failed
      block:
        - name: Run the diagnostic command
          become: true
          ansible.builtin.command: ssm-cli get-diagnostics --output 'json'
          register: diagnostics
          changed_when: false
        - name: Show the results
          ansible.builtin.debug:
            var: diagnostics.stdout