Adjust geerlingguy#176 for backwards compatibility.

Author: geerlingguy

tasks/replication.yml

@@ -24,7 +24,7 @@
   delegate_to: "{{ mysql_replication_master }}"
   register: master
   when: >
-    slave.Is_Slave is defined and not slave.Is_Slave
+    ((slave.Is_Slave is defined and not slave.Is_Slave) or (slave.Is_Slave is not defined and slave|failed))
     and (mysql_replication_role == 'slave')
     and (mysql_replication_master != '')
 
@@ -38,14 +38,14 @@
     master_log_pos: "{{ master.Position }}"
   ignore_errors: True
   when: >
-    slave.Is_Slave is defined and not slave.Is_Slave
+    ((slave.Is_Slave is defined and not slave.Is_Slave) or (slave.Is_Slave is not defined and slave|failed))
     and (mysql_replication_role == 'slave')
     and (mysql_replication_master != '')
     and mysql_replication_user
 
 - name: Start replication.
   mysql_replication: mode=startslave
   when: >
-    slave.Is_Slave is defined and not slave.Is_Slave
+    ((slave.Is_Slave is defined and not slave.Is_Slave) or (slave.Is_Slave is not defined and slave|failed))
     and (mysql_replication_role == 'slave')
     and (mysql_replication_master != '')