Configure backups more appropriately across servers

inventory/group_vars/gameservers.yml

@@ -1,4 +1,5 @@
 #!/usr/bin/ansible-playbook
 # vim:ft=ansible:
+backups_hour: "*/6"
 mcheapmax: 4096
 mcheapmin: 1024

roles/backups/defaults/main.yml

@@ -1,3 +1,4 @@
 #!/usr/bin/ansible-playbook
 # vim:ft=ansible:
 backups_outdir: "/opt/backups/out"
+backups_hour: "2"

roles/backups/tasks/main.yml

@@ -25,7 +25,7 @@
     - name: Set backup cronjob
       cron:
         minute: "0"
-        hour: "*/6"
+        hour: "{{ backups_hour }}"
         name: ansible-backup
         job: "/opt/backups/backup.sh >> /backups/backups.log 2>&1"
   become: yes