consul/tasks/config.yaml

---
- name: Merge encrypt key with config for Consul
  set_fact:
    consul_config: "{{ consul_config | combine(consul_config_encrypt, recursive=true) }}"
  vars:
     consul_config_encrypt:
       encrypt: "{{ consul_raw_key }}"
  when:
    - consul_config.encrypt is not defined

- name: Merge config for Consul server
  when: inventory_hostname in groups[consul_server_group]
  block:
    - name: Merge config for Consul server
      set_fact:
        consul_config_combined: "{{ consul_default_config | combine(consul_config, recursive=true) }}"

    - name: Merge SSL options for Consul server
      set_fact:
        consul_server_ssl_config_combined: "{{ consul_server_ssl_default_config | combine(consul_server_ssl_config, recursive=true) }}"
      when: consul_ssl

    - name: Merge SSL options with config for Consul server
      set_fact:
        consul_config_combined: "{{ consul_config_combined | combine(consul_server_ssl_config_combined, recursive=true) }}"
      when: consul_ssl

- name: Merge config for Consul agent
  when:
    - groups[consul_agent_group] is defined
    - inventory_hostname in groups[consul_agent_group]
  block:
    - name: Merge config for Consul agent
      set_fact:
        consul_config_combined: "{{ consul_default_config | combine(consul_config, recursive=true) }}"

    - name: Merge SSL options for Consul agent
      set_fact:
        consul_agent_ssl_config_combined: "{{ consul_agent_ssl_default_config | combine(consul_agent_ssl_config, recursive=true) }}"
      when: consul_ssl

    - name: Merge SSL options with config for Consul agent
      set_fact:
        consul_config_combined: "{{ consul_config_combined | combine(consul_agent_ssl_config_combined, recursive=true) }}"
      when: consul_ssl

- name: Propagate consul config
  copy:
    content: "{{ consul_config_combined | to_nice_json }}"
    dest: "{{ consul_config_path }}/consul.json"
    owner: "{{ consul_user }}"
    group: "{{ consul_group }}"
    mode: 0644
  register: consul_config_file
  notify: Restart consul

- name: Remove old files
  file:
    path: "{{ item }}"
    state: absent
  loop:
    - "{{ consul_config_path }}/config.json"
    - "{{ consul_data_path }}/serf/local.keyring"
    - "{{ consul_data_path }}/serf/remote.keyring"
    - "{{ consul_data_path }}/serf/local.snapshot"
  when: consul_config_file.changed