From d34b9f512f32a7611d8a32c796e8b2130fd39cfb Mon Sep 17 00:00:00 2001
From: Andrea Dell'Amico <andrea.dellamico@isti.cnr.it>
Date: Wed, 30 Sep 2020 19:02:46 +0200
Subject: [PATCH] keepalived configuration added

---
 defaults/main.yml |  3 +++
 vars/main.yml     | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/defaults/main.yml b/defaults/main.yml
index 2fee16d..9be0704 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -20,3 +20,6 @@ docker_swarm_portainer_service_port: '8000'
 docker_swarm_haproxy_additional_services: []
 #  - { acl_name: 'service', acl_rule: 'hdr_dom(host) -i service.example.com', service_name: 'service-', service_replica_num: '1', service_port: '9999', service_overlay_network: 'service-network' }
 
+docker_swarm_keepalived_vrouter_id: 205
+docker_swarm_keepalived_floating_ip: '127.0.0.1/8'
+docker_swarm_keepalived_instance_name: 'VI_HAPROXY_1'
diff --git a/vars/main.yml b/vars/main.yml
index 321cd90..d2328cd 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -2,3 +2,39 @@
 haproxy_docker_container: True
 haproxy_docker_compose_dir: /src/haproxy_swarm
 haproxy_ha_with_keepalived: True
+
+keepalived_install: True
+keepalived_vrouter_id: '{{ docker_swarm_keepalived_vrouter_id }}'
+keepalived_use_unicast: False
+keepalived_floating_ip1: '{{ docker_swarm_keepalived_floating_ip }}'
+keepalived_instance1_name: '{{ docker_swarm_keepalived_instance_name }}'
+keepalived_nagios_check: False
+keepalived_service_to_check: 'haproxy'
+keepalived_script1_check: "/usr/bin/docker container ls --filter name=haproxy | /bin/grep haproxy"
+
+keepalived_scripts:
+  - name: '{{ keepalived_script1_name }}'
+    script: '{{ keepalived_check_script }}'
+    # In seconds
+    interval: 2
+    # Priority increment
+    weight: -20
+    fall: 2
+    raise: 2
+
+keepalived_instances:
+  - name: '{{ keepalived_instance1_name }}'
+    interface: '{{ ansible_default_ipv4.interface }}'
+    state: BACKUP
+    vrouter_id: '{{ keepalived_vrouter_id }}'
+    notify: '{{ keepalived_notify_script }}'
+    priority: '{{ keepalived_inst_priority }}'
+    nopreempt: True
+    v_addr:
+      - '{{ keepalived_floating_ip1 }}'
+    track_script:
+      - '{{ keepalived_script1_name }}'
+    track_interface:
+      - '{{ ansible_default_ipv4.interface }}'
+    authentication: PASS
+    authpass: '{{ keepass_auth_pwd }}'