feat: add track files

CHANGELOG.md

@@ -5,6 +5,10 @@ Which is based on [Keep A Changelog](http://keepachangelog.com/)
 
 ## [Unreleased]
 
+### Added
+
+- add track files
+
 ### Changed
 
 - keepalived_vrrp_scripts variable is now a hash

README.md

@@ -21,6 +21,7 @@ Install and configure Keepalived
 | keepalived_notification_mails | array | no       |                       | the mail addresses to notify      |
 | keepalived_vrrp_instances     | array | no       |                       | the vrrp instances                |
 | keepalived_vrrp_scripts       | hash  | no       |                       | the vrrp check scripts            |
+| keepalived_track_files        | hash  | no       |                       | the track files                   |
 
 ### keepalived_vrrp_instances
 
@@ -35,6 +36,7 @@ Install and configure Keepalived
 | authentication      | hash  | no       |         | use an authentication `deprecated`           |
 | virtual_ipaddresses | array | yes      |         | addresses add on change to MASTER, to BACKUP |
 | track_scripts       | array | no       |         | add a tracking script to the interface       |
+| track_files         | array | no       |         | add a tracking file to the interface         |
 | notify              | hash  | no       |         | notify scripts, alert as above               |
 
 Example:
@@ -79,6 +81,22 @@ check_nginx:
   interval: 10
 ```
 
+### keepalived_track_file
+
+| Name     | Type  | Required | Default | Comment                               |
+|----------|-------|----------|---------|---------------------------------------|
+| key      | str   | yes      |         | the track file name                   |
+| file     | str   | yes      |         | path of the file to track             |
+| weight   | int   | no       | 1       | weigth of file                        |
+
+Example:
+
+```
+master_file:
+  file: /tmp/master
+  weight: 3
+```
+
 ## How to use
 
 ```

defaults/main.yml

@@ -4,3 +4,4 @@ keepalived_smtp_server: localhost
 keepalived_notification_mails: []
 keepalived_vrrp_instances: []
 keepalived_vrrp_scripts: {}
+keepalived_track_files: {}

molecule/default/converge.yml

@@ -10,6 +10,10 @@
         fall: 3
         interval: 10
         rise: 5
+    keepalived_track_files:
+      master:
+        file: /tmp/master
+        weight: 42
     keepalived_vrrp_instances:
       - name: test
         state: master

molecule/default/tests/test_default.py

@@ -13,6 +13,7 @@ def test_config_file(host):
   assert path.mode == 0o600
   assert path.contains('priority 200')
   assert path.contains('interval 10')
+  assert path.contains('track_file master {')
 
 def test_service(host):
   service = host.service('keepalived')

templates/keepalived.conf.j2

@@ -19,6 +19,13 @@ vrrp_script {{ vrrp_script_name }} {
   weight {{ vrrp_script.weight|default(1) }}
 }
 {% endfor %}
+{% for track_file_name, track_file in keepalived_track_files.items() %}
+
+track_file {{ track_file_name }} {
+  file "{{ track_file.file }}"
+  weight {{ track_file.weight|default(1) }}
+}
+{% endfor %}
 {% for vrrp_instance in keepalived_vrrp_instances %}
 
 vrrp_instance {{ vrrp_instance.name }} {
@@ -47,6 +54,13 @@ vrrp_instance {{ vrrp_instance.name }} {
 {% endfor %}
   }
 {% endif %}
+{% if 'track_files' in vrrp_instance %}
+  track_file {
+{% for script in vrrp_instance.track_files %}
+    {{ script }}
+{% endfor %}
+  }
+{% endif %}
 {% if 'notify' in vrrp_instance %}
 {% for state, script in vrrp_instance.notify.items() %}
   notify_{{ state }} "{{ script }}"