ansible-examples/tasks/main.yml

---
- name: ensure the software is there
  # TODO: what does yum think about an empty list as the name parameter?
  yum:
    name: "{{ packages }}"
    state: latest

- name: process any templates and publish them
  template:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    owner: "{{ item.owner | default(omit) }}"
    group: "{{ item.group | default(omit) }}"
    mode: "{{ item.mode | default(omit) }}"
  notify:
    - test configuration validity
    - restart the service
  loop: "{{ configs }}"

- name: deploy the static files as well
  copy:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    owner: "{{ item.owner | default(omit) }}"
    group: "{{ item.group | default(omit) }}"
    mode: "{{ item.mode | default(omit) }}"
  notify: them handlerz
  loop: "{{ staticfiles }}"

- name: execute handlers if necessary
  meta: flush_handlers

- name: ensure the service is started and enabled to start automatically
  service:
    name: "{{ service }}"
    state: started
    enabled: yes
  when: service != None

- name: ensure firewall is open for the service
  firewalld:
    service: "{{ fwsvc }}"
    state: enabled
    immediate: yes
    permanent: yes
  when: fwsvc != None
...