db: count db-rows regularily

zabbix-server/tasks/main.yml

@@ -126,6 +126,18 @@
     - database
     - zabbix
 
+- name: ensure rows are counted regularily and saved in comment
+  cron: 
+    name: "count rows"
+    special_time: monthly
+    job: psql zabbix -c "select * from zbx_update_partition_table_comments();"
+    state: present
+    user: postgres
+  delegate_to: "{{ zabbix_db_host }}"
+  tags:
+    - database
+    - zabbix
+
 - name: upload the partition cleanup script
   copy:
     src: partition-cleanup.py