Check to ensure device checks only happen on osds

Add bool for osd_group_name in group_names for osd checks.

roles/ceph-common/tasks/checks/check_mandatory_vars.yml

@@ -34,6 +34,7 @@
   fail: msg="please choose an osd scenario"
   when:
     osd_group_name is defined and
+    osd_group_name in group_names and
     not journal_collocation and
     not raw_multi_journal and
     not osd_directory
@@ -42,6 +43,7 @@
   fail: msg="please select only one osd scenario"
   when:
     osd_group_name is defined and
+    osd_group_name in group_names and
     ((journal_collocation and raw_multi_journal) or
     (journal_collocation and osd_directory) or
     (raw_multi_journal and osd_directory))
@@ -50,6 +52,7 @@
   fail: msg="please provide devices to your osd scenario"
   when:
     osd_group_name is defined and
+    osd_group_name in group_names and
     journal_collocation and
     devices is not defined
 
@@ -57,6 +60,7 @@
   fail: msg="please provide devices to your osd scenario"
   when:
     osd_group_name is defined and
+    osd_group_name in group_names and
     raw_multi_journal and
     (raw_journal_devices is not defined or
     devices is not defined)