hcp-ansible/playbooks/tasks/consul/consul_vars.yml

---
# hashistack configuration merging for consul
- name: "Consul | Merge stringified configuration"
  vars:
    _config_to_merge: "{{ hashi_consul_configuration_string }}"
  ansible.builtin.set_fact:
    hashi_consul_configuration: "{{
      hashi_consul_configuration |
      combine(_config_to_merge|from_yaml)
      }}"
  when:
    - hashi_consul_configuration_string is defined
    - "'consul_servers' in group_names"

- name: "Consul | Merge addresses configuration"
  vars:
    _config_to_merge: "{{ consul_address_configuration }}"
  ansible.builtin.set_fact:
    hashi_consul_configuration: "{{
      hashi_consul_configuration |
      combine(_config_to_merge)
      }}"
  when: consul_address_configuration is defined

- name: "Consul | Merge token configuration"
  delegate_to: localhost
  block:
    - name: "Consul | Stat consul secrets file"
      ansible.builtin.stat:
        path: "{{ sub_configuration_directories.consul_servers }}/consul_config.yml"
      register: _consul_config_file

    - name: "Consul | Load consul secrets file"
      ansible.builtin.include_vars:
        file: "{{ sub_configuration_directories.consul_servers }}/consul_config.yml"
        name: _consul_cluster_config
      when: _consul_config_file.stat.exists

    - name: "Consul | Merge token configuration"
      vars:
        _config_to_merge:
          acl:
            tokens: "{{ _consul_cluster_config.tokens }}"
      ansible.builtin.set_fact:
        hashi_consul_configuration: "{{ hashi_consul_configuration | default({}) | combine(_config_to_merge, recursive=true) }}"
      when: _consul_cluster_config.tokens is defined

    - name: "Consul | Create secrets file if not present"
      ansible.builtin.file:
        path: "{{ sub_configuration_directories.consul_servers }}/consul_config.yml"
        state: touch
        owner: "{{ lookup('env', 'USER') }}"
        group: "{{ lookup('env', 'USER') }}"
        mode: "0644"
      run_once: true
      when: not _consul_config_file.stat.exists

- name: "Consul | Merge extra configuration settings"
  vars:
    _config_to_merge: "{{ consul_extra_configuration }}"
  ansible.builtin.set_fact:
    hashi_consul_configuration: "{{
      hashi_consul_configuration |
      combine(_config_to_merge)
      }}"
  when: consul_extra_configuration is defined