ceph-infra: allow configuring logrotate

Signed-off-by: Seena Fallah <[email protected]>

Author: clwluvw

roles/ceph-infra/templates/logrotate.conf.j2

@@ -1,6 +1,6 @@
 /var/log/ceph/*.log {
-    rotate 7
-    daily
+    rotate {{ ceph_logrotate_rotate | default(7) }}
+    {{ ceph_logrotate_frequency | default('daily') }}
     compress
     sharedscripts
     postrotate