dokku-ansible-deploy/plays/commonlib/vars.yml

---
# Note(decentral1se): please note that the majority of the vars that are
# referenced in this play are passed in via --extra-vars definitions in the
# functions script

- name: Check if internal system variables exists
  stat:
    path: "{{ plugin_config_root }}/vars.yml"
  register: vars_yml

- name: Load internal system variables
  no_log: true
  when: vars_yml.stat.exists
  include_vars:
    file: "{{ plugin_config_root }}/vars.yml"

- name: Check if an application vault directory exists
  stat:
    path: "{{ app_config_root }}/vault"
  register: vault_dir

- name: Load application encrypted vault variables
  no_log: true
  when: vault_dir.stat.exists
  include_vars:
    ignore_unknown_extensions: true
    dir: "{{ app_config_root }}/vault"
    name: vault
    extensions:
      - yml
  register: vault_include

- name: Check if the application config file exists
  stat:
    path: "{{ app_config_root }}/config.yml"
  register: config_yml

- name: Load unencrypted configuration variables
  no_log: true
  when: config_yml.stat.exists
  include_vars:
    file: "{{ app_config_root }}/config.yml"

- name: Create the dokku variable dictionary
  set_fact:
    dokku:
      {
        app: "{{ app }}",

        mariadb_addr: "dokku-mariadb-{{ app }}",
        mongodb_addr: "dokku-mongo-{{ app }}:27017",

        mariadb_user: "mariadb",
        mongodb_user: "{{ app }}",

        mariadb_type: "mariadb",
        mongodb_type: "mongodb",

        hostname: "{{ lookup('file', '/home/dokku/HOSTNAME') }}",
        host: "{{ inventory_hostname }}",
      }

- name: DEBUG -> vars dump for debugging purposes
  debug:
    msg: "{{ vars }}"
  when: vars_debug_mode | default(false)

# Note(decentral1se): this has to be done like this through the hostvars
# interface because of the way Ansible forces us to work here. There is a bug
# report out on this: https://github.com/ansible/ansible/issues/36024
- name: Create vault variable dictionary
  set_fact:
    vault: "{{ vault_include.ansible_facts.vault | default([]) }}"

- name: Create config variable dictionary
  set_fact:
    config:
      dirs: "{{ hostvars[dokku.host].dirs | default([]) }}"
      db: "{{ hostvars[dokku.host].db | default([]) }}"
      files: "{{ hostvars[dokku.host].files | default([]) }}"
      env: "{{ hostvars[dokku.host].env | default([]) }}"
      templates: "{{ hostvars[dokku.host].templates | default([]) }}"
      vars: "{{ hostvars[dokku.host].vars | default([]) }}"
      volumes: "{{ hostvars[dokku.host].volumes | default([]) }}"