+if [[ "$#" -ne 1 ]]; then
+ usage 1
+fi
+
+case "$1" in
+ node)
+ readonly CLEANER_LOG_DIR=$LOG_DIR/cleaner
+ ;;
+ master)
+ readonly CLEANER_LOG_DIR=$LOG_DIR/master-cleaner
+ ;;
+ --help-completion)
+ echo "choices=node,master 1 1"
+ exit 0
+ ;;
+ --help)
+ usage 0
+ ;;
+ *)
+ usage 1
+ ;;
+esac