11323: Don't try to offer_arvados_pair on unpaired nodes which are being shut down.

diff --git a/services/nodemanager/arvnodeman/daemon.py b/services/nodemanager/arvnodeman/daemon.py
index 8890e837319076f2e33cd0e9f973d5eadc3afb13..f23b2615e29876aeb5689c79959fe605d09d7e11 100644 (file)
--- a/services/nodemanager/arvnodeman/daemon.py
+++ b/services/nodemanager/arvnodeman/daemon.py
@@ -232,7 +232,7 @@ class NodeManagerDaemonActor(actor_class):
     def try_pairing(self):
         for record in self.cloud_nodes.unpaired():
             for arv_rec in self.arvados_nodes.unpaired():
-                if record.actor.offer_arvados_pair(arv_rec.arvados_node).get():
+                if record.actor is not None and record.actor.offer_arvados_pair(arv_rec.arvados_node).get():
                     self._pair_nodes(record, arv_rec.arvados_node)
                     break