PYTHON-1434 Update max cluster time even when heartbeats fail

2018-02-23 11:32:39 -08:00 · 2018-02-23 11:32:39 -08:00 · 0aefc6c19b
commit 0aefc6c19b
parent 1fa894d757
1 changed files with 9 additions and 3 deletions
--- a/pymongo/monitor.py
+++ b/pymongo/monitor.py
@ -173,6 +173,12 @@ class Monitor(object):
        Can raise ConnectionFailure or OperationFailure.
        """
        start = _time()
-        return (sock_info.ismaster(self._pool.opts.metadata,
-                                   self._topology.max_cluster_time()),
-                _time() - start)
+        try:
+            return (sock_info.ismaster(self._pool.opts.metadata,
+                                       self._topology.max_cluster_time()),
+                    _time() - start)
+        except OperationFailure as exc:
+            # Update max cluster time even when isMaster fails.
+            self._topology.receive_cluster_time(
+                exc.details.get('$clusterTime'))
+            raise