ansible/T9/guided/system-software/repo_playbook.yml

- name: repo playbook
  hosts: all
  vars:
    custom_pkg: example-motd
  tasks:
    - name: gather facts
      package_facts: 
        manager: auto
    - name: show pkgs
      debug:
        var: ansible_facts.packages
      when: custom_pkg in ansible_facts.packages
    - name: repo exists
      yum_repository: 
        name: example-internal
        description: example inc internal yum repo
        file: example
        baseurl: http://materials.example.com/yum/repository/
        gpgcheck: yes
    - name: rpm key installed
      rpm_key:
        key: http://materials.example.com/yum/repository/RPM-GPG-KEY-example
        state: present
    - name: install example package
      yum:
        name: "{{ custom_pkg }}"
        state: present
    - name: gather facts
      package_facts: 
        manager: auto
    - name: show pkgs
      debug:
        var: ansible_facts.packages[custom_pkg]
      when: custom_pkg in ansible_facts.packages