Maintain down_slave_nodes so we might have a clue where to look to recover from.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/rabbit_amqqueue_process.erl b/src/rabbit_amqqueue_process.erl
index 97206df3..4082c53d 100644
--- a/src/rabbit_amqqueue_process.erl
+++ b/src/rabbit_amqqueue_process.erl
@@ -84,6 +84,7 @@
          memory,
          slave_pids,
          synchronised_slave_pids,
+         down_slave_nodes,
          backing_queue_status,
          state
         ]).
@@ -810,6 +811,14 @@ i(synchronised_slave_pids, #q{q = #amqqueue{name = Name}}) ->
         false -> '';
         true  -> SSPids
     end;
+i(down_slave_nodes, #q{q = #amqqueue{name    = Name,
+                                     durable = Durable}}) ->
+    {ok, Q = #amqqueue{down_slave_nodes = Nodes}} =
+        rabbit_amqqueue:lookup(Name),
+    case Durable andalso rabbit_mirror_queue_misc:is_mirrored(Q) of
+        false -> '';
+        true  -> Nodes
+    end;
 i(state, #q{status = running}) -> credit_flow:state();
 i(state, #q{status = State})   -> State;
 i(backing_queue_status, #q{backing_queue_state = BQS, backing_queue = BQ}) ->