Update to 2020-12-14 19:00

roles/zabbix_server/defaults/main.yml

@@ -56,6 +56,9 @@ zabbix_server_auth_http: False
 # pre-backup full
 zabbix_server_backup_on_full_only: False
 
+# Disable zabbix pre/post backup if you need to handle it with your own script
+zabbix_server_backup_hooks: True
+
 # You might want to ignore system proxy for Zabbix server itself,
 # so its web monitoring can be direct
 # This will only have an effect if system_proxy is defined

roles/zabbix_server/templates/post_backup.sh.j2

@@ -1,3 +1,7 @@
 #!/bin/bash -e
 
+{% if zabbix_server_backup_hooks %}
 rm -f /home/lbkp/zabbix/*
+{% else %}
+# pre and post backup hooks are disabled on this host
+{% endif %}

roles/zabbix_server/templates/pre_backup.sh.j2

@@ -1,5 +1,6 @@
 #!/bin/bash -e
 
+{% if zabbix_server_backup_hooks %}
 mkdir -p /home/lbkp/zabbix
 # First, backup the schema
 /usr/bin/mysqldump --user={{ zabbix_server_db_user | quote }} \
@@ -39,3 +40,6 @@ else
 {% if zabbix_server_backup_on_full_only %}
 fi
 {% endif %}
+{% else %}
+# pre and post backup hooks are disabled on this host
+{% endif %}