Enable override of ceph command

Signed-off-by: Piers Harding <[email protected]>

Author: piersharding

roles/commands/defaults/main.yml

@@ -1,2 +1,3 @@
 ---
+cephadm_command: ceph
 cephadm_commands: []

roles/commands/tasks/main.yml

@@ -1,7 +1,7 @@
 ---
 - name: Execute custom commands
   command:
-    cmd: "cephadm shell -- ceph {{ item }}"
+    cmd: "cephadm shell -- {{ cephadm_command }} {{ item }}"
   register: cephadm_commands_result
   with_items: "{{ cephadm_commands }}"
   become: true