Update to 2022-07-23 14:00

roles/consul/defaults/main.yml

@@ -70,6 +70,8 @@ consul_base_conf:
     enabled: "{{ (inventory_hostname in consul_servers) | ternary(True, False) }}"
   connect:
     enabled: "{{ (inventory_hostname in consul_servers) | ternary(True, False) }}"
+  performance:
+    raft_multiplier: 1
 
 # For example
 # consul_extra_conf:

roles/consul/tasks/conf.yml

@@ -1,6 +1,12 @@
 ---
 
 - name: Deploy consul configuration
-  template: src=consul.json.j2 dest={{ consul_root_dir }}/etc/consul.json owner=root group={{ consul_user }} mode=640
-  notify: reload consul
+  template:
+    src: consul.json.j2
+    dest: "{{ consul_root_dir }}/etc/consul.json"
+    owner: root
+    group: "{{ consul_user }}"
+    mode: 640
+    validate: consul validate %s
+  notify: restart consul
   tags: consul

roles/consul/tasks/install.yml

@@ -53,3 +53,9 @@
   when: consul_unit.changed
   tags: consul
 
+- name: Install backup hooks
+  template: src={{ item }}-backup.j2 dest=/etc/backup/{{ item }}.d/consul mode=755
+  loop:
+    - pre
+    - post
+  tags: consul

roles/consul/templates/post-backup.j2

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+set -eo pipefail
+rm -f {{ consul_root_dir }}/backup/consul.snap

roles/consul/templates/pre-backup.j2

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+set -eo pipefail
+consul snapshot save {{ consul_root_dir }}/backup/consul.snap