[EVO] Ajouter les scripts de notifications

README.md

@@ -52,6 +52,25 @@ Adresse IPv6 de failover.
 
 *<span style="text-decoration: underline">Valeur par défaut:</span> aucune*
 
+### keepalived_peers
+
+Passer en unicast en utilisant cette liste d'IP.
+
+*<span style="text-decoration: underline">Valeur par défaut:</span> aucune*
+
+### keepalived_scripts_path
+
+Emplacement où les scripts de keepalived seront déployés.
+
+*<span style="text-decoration: underline">Valeur par défaut:</span> aucune*
+
+### keepalived_notify_{master,backup,fault,stop}
+
+Booléen permettant d'activer ou non le script en fonction de l'état de keepalived.<br>
+Les scripts sont déployés dans `<keepalived_scripts_path>/notify_{master,backup,fault,stop}.sh`.
+
+*<span style="text-decoration: underline">Valeur par défaut:</span> `false`*
+
 ### keepalived_track_scripts
 
 Liste de script dont le code retour doit être à zéro pour que le membre conserve ou puisse prendre l'IP de failover.

defaults/main.yml

@@ -11,6 +11,15 @@ keepalived_mail_from: ""
 keepalived_ipv4: ""
 keepalived_ipv6: ""
 
+keepalived_peers: []
+
+keepalived_scripts_path: ""
+
+keepalived_notify_master: false
+keepalived_notify_backup: false
+keepalived_notify_fault: false
+keepalived_notify_stop: false
+
 keepalived_track_scripts: []
 # Exemple:
 #  - name: check_haproxy_8080

meta/main.yml

@@ -14,3 +14,10 @@ galaxy_info:
 
 dependencies:
   - role: users
+    vars:
+      users:
+        - name: keepalived_script
+          comment: "Dedicated user for keepalived script"
+          update_password: on_create
+          password_lock: true
+          shell: /bin/bash

tasks/main.yml

@@ -1,7 +1,7 @@
 ---
 # tasks file for keepalived
 
-- name: Installer keepalived
+- name: Installer le paquet
   ansible.builtin.apt:
     name: keepalived
   become: true
@@ -15,3 +15,31 @@
     dest: /etc/keepalived/keepalived.conf
   become: true
   notify: Redémarrer keepalived.service
+
+- name: Créer le dossier de déploiement des scripts
+  ansible.builtin.file:
+    path: /srv/keepalived
+    owner: root
+    group: root
+    mode: u=rwX,g=rX,o=rX
+    state: directory
+  when: keepalived_scripts_path | length > 0
+  become: true
+
+- name: Déployer les scripts
+  ansible.builtin.copy:
+    src: keepalived/notify_{{ item | split('_') | last }}.sh
+    dest: "{{ keepalived_scripts_path }}"
+    owner: keepalived_script
+    group: keepalived_script
+    mode: u=rx,g=rx,o=
+  when:
+    - keepalived_scripts_path | length > 0
+    - vars[item]
+  loop:
+    - keepalived_notify_master
+    - keepalived_notify_backup
+    - keepalived_notify_fault
+    - keepalived_notify_stop
+  become: true
+  notify: Redémarrer keepalived.service

templates/keepalived.j2

@@ -40,6 +40,16 @@ vrrp_instance VIP_{{ keepalived_uid }} {
   virtual_router_id {{ keepalived_uid }}
   advert_int 1
 
+{% if keepalived_peers | length > 0 %}
+  unicast_peer {
+{% for peer in keepalived_peers %}
+{% if peer != ansible_facts[keepalived_interface]['ipv4']['address'] %}
+    {{ peer }}
+{% endif %}
+{% endfor %}
+  }
+{% endif %}
+
 {% if keepalived_ipv4 | length > 0 %}
   virtual_ipaddress {
     {{ keepalived_ipv4 }} dev {{ keepalived_interface }} scope global
@@ -52,6 +62,19 @@ vrrp_instance VIP_{{ keepalived_uid }} {
   }
 {% endif %}
 
+{% if keepalived_notify_master %}
+  notify_master {{ keepalived_scripts_path }}/notify_master.sh
+{% endif %}
+{% if keepalived_notify_backup %}
+  notify_backup {{ keepalived_scripts_path }}/notify_backup.sh
+{% endif %}
+{% if keepalived_notify_fault %}
+  notify_fault {{ keepalived_scripts_path }}/notify_fault.sh
+{% endif %}
+{% if keepalived_notify_stop %}
+  notify_stop {{ keepalived_scripts_path }}/notify_stop.sh
+{% endif %}
+
 {% if keepalived_track_scripts | length > 0 %}
   track_script {
 {% for script in keepalived_track_scripts %}