Program in a language that is not a programming language.

sync_file.yml

---

# NOTE: This should be a role (or custom module), but currently include_role is too buggy to use
- name: "sync_file | Set facts for directory and file when sync_file_path is defined"
  set_fact:
    sync_file_dir: "{{ sync_file_path | dirname }}"
    sync_file: "{{ sync_file_path | basename }}"
  when: sync_file_path is defined and sync_file_path != ''

- name: "sync_file | Set fact for sync_file_path when undefined"
  set_fact:
    sync_file_path: "{{ (sync_file_dir, sync_file)|join('/') }}"
  when: sync_file_path is not defined or sync_file_path == ''

- name: "sync_file | Set fact for key path name"
  set_fact:
    sync_file_key_path: "{{ sync_file_path.rsplit('.', 1)|first + '-key.' + sync_file_path.rsplit('.', 1)|last }}"
  when: sync_file_key_path is not defined or sync_file_key_path == ''

- name: "sync_file | Check if {{sync_file_path}} file exists"
  stat:
    path: "{{ sync_file_path }}"
  register: sync_file_stat

- name: "sync_file | Check if {{ sync_file_key_path }} key file exists"
  stat:
    path: "{{ sync_file_key_path }}"
  register: sync_file_key_stat

- name: "sync_file | Combine all possible file sync sources"
  set_fact:
    sync_file_srcs: "{{ sync_file_srcs|default([]) + [host_item] }}"
  with_items: "{{ sync_file_hosts|default() | unique }}"
  loop_control:
    loop_var: host_item
  when: sync_file_stat.stat.exists|default()

- name: "sync_file | Combine all possible key file sync sources"
  set_fact:
    sync_file_key_srcs: "{{ sync_file_key_srcs|default([]) + [host_item] }}"
  with_items: "{{ sync_file_hosts|default() | unique }}"
  loop_control:
    loop_var: host_item
  when: sync_file_key_stat.stat.exists|default()

- name: "sync_file | Remove sync sources with files that do not match sync_file_srcs|first"
  set_fact:
    _: "{% if inventory_hostname in sync_file_srcs %}{{ sync_file_srcs.remove(inventory_hostname) }}{% endif %}"
  when: >-
        sync_file_srcs|d([])|length > 1 and
        inventory_hostname != sync_file_srcs|first

- name: "sync_file | Remove sync sources with keys that do not match sync_file_srcs|first"
  set_fact:
    _: "{% if inventory_hostname in sync_file_srcs %}{{ sync_file_srcs.remove(inventory_hostname) }}{% endif %}"
  when: >-
        sync_file_is_cert|d() and
        sync_file_key_srcs|d([])|length > 1 and
        inventory_hostname != sync_file_key_srcs|first

- name: "sync_file | Consolidate file and key sources"
  set_fact:
    sync_file_srcs: "{{ sync_file_srcs|d([]) | intersect(sync_file_key_srcs) }}"
  when: sync_file_is_cert|d()

- name: "sync_file | Set facts for situations where sync is not needed"
  set_fact:
    sync_file_no_srcs: "{{ true if sync_file_srcs|d([])|length == 0 else false }}"
    sync_file_unneeded: "{{ true if sync_file_srcs|d([])|length == sync_file_hosts|length else false }}"

- name: "sync_file | Set sync_file_result fact"
  set_fact:
    sync_file_result:
      no_srcs: "{{ sync_file_no_srcs }}"
      path: "{{ sync_file_path }}"
      sync_unneeded: "{{ sync_file_unneeded }}"

- name: "sync_file | Update sync_file_results fact"
  set_fact:
    sync_file_results: "{{ sync_file_results|default([]) + [sync_file_result] }}"

- include_tasks: sync.yml
  when: not (sync_file_no_srcs or sync_file_unneeded)

- name: "Unset local vars to avoid variable bleed into next iteration"
  set_fact:
    sync_file: ''
    sync_file_dir: ''
    sync_file_key_path: ''
    sync_file_key_srcs: []
    sync_file_path: ''
    sync_file_srcs: []