Workaround for ansible/ansible#82264

Author: ptomas-adacis

tasks/replication.yml

@@ -26,10 +26,11 @@
     - (mysql_replication_master | length) > 0
   tags: ['skip_ansible_galaxy']
 
+# https://github.com/ansible/ansible/issues/82264
 - name: Check master replication status.
   mysql_replication:
     mode: getprimary
-  delegate_to: "{{ mysql_replication_master_inventory_host }}"
+  delegate_to: "{{ mysql_replication_master_inventory_host | default(omit, true) }}"
   register: master
   when:
     - (slave.Is_Slave is defined and not slave.Is_Slave) or (slave.Is_Replica is defined and not slave.Is_Replica) or (slave.Is_Slave is not defined and slave.Is_Replica is not defined and slave is failed)