Add keepalived role

roles/keepalived/handlers/main.yml

@@ -0,0 +1,6 @@
+---
+- name: Reload keepalived
+  systemd:
+    name: keepalived.service
+    state: reloaded
+...

roles/keepalived/tasks/main.yml

@@ -0,0 +1,21 @@
+---
+- name: Install keepalived
+  apt:
+    name: keepalived
+
+- name: Configure keepalived
+  template:
+    src: keepalived.conf
+    dest: /etc/keepalived/keepalived.conf
+    owner: root
+    group: root
+    mode: u=rw,g=,o=
+  notify:
+    - Reload keepalived
+
+- name: Enable and start keepalived
+  systemd:
+    name: keepalived
+    enabled: true
+    state: started
+...

roles/keepalived/templates/keepalived.conf

@@ -0,0 +1,58 @@
+{{ ansible_managed | comment }}
+
+global_defs {
+	dynamic_interfaces
+	script_user root
+	enable_script_security
+	vrrp_version 3
+}
+
+vrrp_sync_group group {
+	group {
+		instance_v4
+		instance_v6
+	}
+{% if keepalived_notify_master %}
+	notify_master "{{ keepalived_notify_master }}"
+{% endif %}
+{% if keepalived_notify_backup is defined %}
+	notify_backup "{{ keepalived_notify_backup }}"
+{% endif %}
+{% if keepalived_notify_fault is defined %}
+	notify_fault "{{ keepalived_notify_fault }}"
+{% endif %}
+}
+
+vrrp_instance instance_v4 {
+	virtual_router_id {{ keepalived_virtual_router_id }}
+	interface {{ keepalived_interface }}
+	state BACKUP
+	priority 250
+	nopreempt
+	advert_int 1
+	accept
+	virtual_ipaddress {
+{% for dev, addrs in keepalived_virtual_addresses_v4.items() %}
+{% for addr in addrs %}
+		{{ addr }} dev {{ dev }}
+{% endfor %}
+{% endfor %}
+	}
+}
+
+vrrp_instance instance_v6 {
+	virtual_router_id {{ keepalived_virtual_router_id }}
+	interface {{ keepalived_interface }}
+	state BACKUP
+	priority 250
+	nopreempt
+	advert_int 1
+	accept
+	virtual_ipaddress {
+{% for dev, addrs in keepalived_virtual_addresses_v6.items() %}
+{% for addr in addrs %}
+		{{ addr }} dev {{ dev }}
+{% endfor %}
+{% endfor %}
+	}
+}