Версия netdata вынесена в параметры

ansible/configuration.yml

@@ -48,6 +48,8 @@
 
     - import_role:
         name: netdata
+      vars:
+        netdata_version: 'v1.18.1'
       tags:
         - monitoring
 

ansible/roles/netdata/defaults/main.yml

@@ -0,0 +1,3 @@
+---
+netdata_version: 'v1.18.0'
+netdata_image: 'netdata/netdata:{{ netdata_version }}'

ansible/roles/netdata/tasks/main.yml

@@ -3,10 +3,10 @@
   shell: grep docker /etc/group | cut -d ':' -f 3
   register: docker_group
 
-- name: 'Create NetData container.'
+- name: 'Create NetData container from {{ netdata_image }}'
   docker_container:
     name: netdata
-    image: 'netdata/netdata:v1.18.1'
+    image: '{{ netdata_image }}'
     restart_policy: 'always'
     published_ports:
       - '127.0.0.1:19999:19999'