Add Consul role - main.yml

roles/consul/tasks/main.yml

@@ -0,0 +1,104 @@
+---
+- name: Install dependencies
+  apt:
+    name:
+      - curl
+      - gnupg
+      - lsb-release
+    state: present
+    update_cache: yes
+
+- name: Add HashiCorp GPG key
+  apt_key:
+    url: https://apt.releases.hashicorp.com/gpg
+    state: present
+
+- name: Add HashiCorp repository
+  apt_repository:
+    repo: "deb [arch=amd64] https://apt.releases.hashicorp.com {{ ansible_distribution_release }} main"
+    state: present
+    filename: hashicorp
+
+- name: Install Consul
+  apt:
+    name: "consul={{ consul_version }}-1"
+    state: present
+    update_cache: yes
+
+- name: Create Consul data directory
+  file:
+    path: "{{ consul_data_dir }}"
+    state: directory
+    owner: consul
+    group: consul
+    mode: '0755'
+
+- name: Create Consul config directory
+  file:
+    path: "{{ consul_config_dir }}"
+    state: directory
+    owner: consul
+    group: consul
+    mode: '0755'
+
+- name: Generate encryption key if not provided
+  command: consul keygen
+  register: consul_generated_key
+  when: consul_encrypt_key == "" and consul_server
+  run_once: true
+  changed_when: false
+
+- name: Set encryption key fact
+  set_fact:
+    consul_encrypt_key: "{{ consul_generated_key.stdout }}"
+  when: consul_encrypt_key == "" and consul_generated_key.stdout is defined
+  run_once: true
+
+- name: Deploy Consul configuration
+  template:
+    src: consul.hcl.j2
+    dest: "{{ consul_config_dir }}/consul.hcl"
+    owner: consul
+    group: consul
+    mode: '0640'
+  notify: Restart Consul
+
+- name: Deploy server configuration
+  template:
+    src: server.hcl.j2
+    dest: "{{ consul_config_dir }}/server.hcl"
+    owner: consul
+    group: consul
+    mode: '0640'
+  when: consul_server
+  notify: Restart Consul
+
+- name: Remove server config on clients
+  file:
+    path: "{{ consul_config_dir }}/server.hcl"
+    state: absent
+  when: not consul_server
+  notify: Restart Consul
+
+- name: Enable and start Consul service
+  systemd:
+    name: consul
+    enabled: yes
+    state: started
+    daemon_reload: yes
+
+- name: Wait for Consul to be ready
+  uri:
+    url: "http://127.0.0.1:8500/v1/status/leader"
+    method: GET
+  register: consul_leader
+  until: consul_leader.status == 200
+  retries: 30
+  delay: 2
+  when: consul_server
+
+- name: Display Consul encryption key
+  debug:
+    msg: "Consul encryption key: {{ consul_encrypt_key }}"
+  when: consul_server and consul_encrypt_key != ""
+  run_once: true