Bug #909538: Swift upload via Glance logs the password it's using

Don't log the key used when creating a Swift connection.

(cherry picked from commit 7d61fef)

Change-Id: Ia9e7e6b7a14a6169b844ab40eb6adafeaf6d5542

glance/store/swift.py

@@ -269,7 +269,7 @@ def _make_swift_connection(self, auth_url, user, key):
         snet = self.snet
         logger.debug(_("Creating Swift connection with "
                      "(auth_address=%(auth_url)s, user=%(user)s, "
-                     "key=%(key)s, snet=%(snet)s)") % locals())
+                     "snet=%(snet)s)") % locals())
         return swift_client.Connection(
             authurl=auth_url, user=user, key=key, snet=snet)