[rabbitmq-discuss] Questiong about plugins and clustering
Simon MacMullen
simon at rabbitmq.com
Mon Sep 23 09:41:23 BST 2013
On 21/09/2013 02:53, Alvaro Videla wrote:
> Is there a way for a plugin to know when a node joins or leaves the
> cluster?
No, not at the moment. Currently we just ask Mnesia whenever we need to
know.
> Is there any notification that can be received by my plugin about this
> event happening or I need to poll Mnesia once in a while?
Well, you can invoke rabbit_mnesia:cluster_nodes(running) or
rabbit_mnesia:cluster_nodes(all) or whatever.
> I see there's rabbit_node_monitor:notify_joined_cluster/0 but that's
> doesn't seem to help me.
No, that's the other way round - used to tell the node monitor that a
node has joined.
What are you trying to do?
Cheers, Simon
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