Silence exceptions from qpid connection.close()

Fixes bug 1185465

Don't log exceptions that happen during connection.close().  They're
not surprising (a closed socket can't be read or written), don't
require sysadmin attention, and provide red herrings in the logs
to distract from finding real root causes of problems.

Change-Id: Ie414ba3f4ff1f1dee13e6168ac2e28dab535581b

1 files changed, 7 insertions, 1 deletions

diff --git a/openstack/common/rpc/impl_qpid.py b/openstack/common/rpc/impl_qpid.py
index a03ebb2..e7ac016 100644
--- a/openstack/common/rpc/impl_qpid.py
+++ b/openstack/common/rpc/impl_qpid.py
@@ -384,7 +384,13 @@ class Connection(object):
         """Close/release this connection"""
         self.cancel_consumer_thread()
         self.wait_on_proxy_callbacks()
-        self.connection.close()
+        try:
+            self.connection.close()
+        except Exception:
+            # NOTE(dripton) Logging exceptions that happen during cleanup just
+            # causes confusion; there's really nothing useful we can do with
+            # them.
+            pass
         self.connection = None
 
     def reset(self):