Merge pull request #297 from jonhyman/feature/auth-reconfigure-2x

Inspect auth failures to see if we should actually just retry.

lib/moped/authenticatable.rb

@@ -71,7 +71,17 @@ def login(database, username, password)
       self.write([ authenticate ])
       document = self.read.documents.first
 
-      raise Errors::AuthenticationFailure.new(authenticate, document) unless document["ok"] == 1
+      unless result["ok"] == 1
+        # See if we had connectivity issues so we can retry
+        e = Errors::PotentialReconfiguration.new(authenticate, document)
+        if e.reconfiguring_replica_set?
+          raise Errors::ReplicaSetReconfigured.new(e.command, e.details)
+        elsif e.connection_failure?
+          raise Errors::ConnectionFailure.new(e.inspect)
+        end
+
+        raise Errors::AuthenticationFailure.new(authenticate, document)
+      end
       credentials[database] = [username, password]
     end
 

lib/moped/errors.rb

@@ -115,7 +115,7 @@ class PotentialReconfiguration < MongoError
       NOT_MASTER = [ 13435, 13436, 10009 ]
 
       # Error codes received around reconfiguration
-      CONNECTION_ERRORS_RECONFIGURATION = [ 15988, 10276, 11600, 9001, 13639, 10009 ]
+      CONNECTION_ERRORS_RECONFIGURATION = [ 15988, 10276, 11600, 9001, 13639, 10009, 11002 ]
 
       # Replica set reconfigurations can be either in the form of an operation
       # error with code 13435, or with an error message stating the server is