varnish: Allow the systemd template to be overriden with a template outside of the role

CHANGELOG.md

@@ -23,6 +23,7 @@ The **patch** part changes is incremented if multiple releases happen the same m
 * evolinux-users: remove Stretch references in tasks that also apply to next Debian versions
 * mysql: improve shell syntax for mysql_skip script
 * pbbouncer: minor fixes
+* varnish: Allow the systemd template to be overriden with a template outside of the role
 
 ### Fixed
 

varnish/defaults/main.yml

@@ -16,8 +16,10 @@ varnish_thread_pool_max: 5000
 varnish_jail: "unix,user=vcache"
 varnish_additional_options: ""
 
+varnish_systemd_override_template: Null
+
 varnish_config_file: /etc/varnish/default.vcl
-varnish_update_config: True
+varnish_update_config: true
 varnish_secret_file: /etc/varnish/secret
 
-varnish_tmp_dir: /var/tmp-vcache
+varnish_tmp_dir: /var/tmp-vcache

varnish/tasks/main.yml

@@ -80,6 +80,7 @@
   when:
     - varnish_package_facts['version'] is version('4', '>=')
     - varnish_package_facts['version'] is version('6', '<')
+    - varnish_systemd_override_template | length == 0
   tags:
     - varnish
     - config
@@ -91,6 +92,7 @@
   when:
     - varnish_package_facts['version'] is version('6', '>=')
     - varnish_package_facts['version'] is version('7', '<')
+    - varnish_systemd_override_template | length == 0
   tags:
     - varnish
     - config
@@ -101,6 +103,7 @@
     varnish_systemd_override_template: override.conf.varnish7.j2
   when:
     - varnish_package_facts['version'] is version('7', '>=')
+    - varnish_systemd_override_template | length == 0
   tags:
     - varnish
     - config