utils: Avoid pylint warning

pylint warns:

  Use lazy % formatting in logging functions

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Jose A. Rivera <jarrpa@samba.org>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Tue Jul 20 05:29:18 UTC 2021 on sn-devel-184

diff --git a/ctdb/utils/etcd/ctdb_etcd_lock b/ctdb/utils/etcd/ctdb_etcd_lock
index 616098f7c5dc2f44bdbc60098bae7f20c49868e2..5e722267cd396529122a3e57f2e9c9759ccf2dac 100755 (executable)
--- a/ctdb/utils/etcd/ctdb_etcd_lock
+++ b/ctdb/utils/etcd/ctdb_etcd_lock
@@ -178,7 +178,7 @@ def main():
                set(etcd_client_params).intersection(etcd_config)})
         lock = etcd.Lock(client, etcd_config['locks_dir'] + "/" + nb_name)
         lock._uuid = lock._uuid + "_" + pnn
-        logging.debug("Updated lock UUID: " + lock.uuid)
+        logging.debug("Updated lock UUID: %s", lock.uuid)
         ppid = os.getppid()
         while True:
             lock.acquire(blocking=False, lock_ttl=etcd_config['lock_ttl'])
@@ -193,7 +193,7 @@ def main():
                         locks += '\n  '.join(
                             (child.key + ": " + child.value for child in
                              keys.children))
-                logging.debug("Lock contention. " + locks)
+                logging.debug("Lock contention. %s", locks)
                 print_nonl(1)
                 break
             os.kill(ppid, 0)