update sudo handling in ceph checks

check_ceph_osd

@@ -88,9 +88,11 @@ case "$1" in
     *)
 esac
 
+# --- check required tools
+ph.require ceph
+
 if ! data=$( sudo -n /bin/ceph osd tree 2>&1 ); then
-    echo "$data"
-    ph.abort "UNKNOWN: ceph is not available or no sudo permissions to execute ceph commands."
+    ph.abort "UNKNOWN: No sudo permissions to execute ceph commands."
 fi
 
 # set default / override from command line params