I am creating a cluster of nodes and I want to get notification every time a node is connected or not how could that be possible?
How to implement a function to notify a node that the other node quit or not
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Create a
gen_server
and callnet_kernel:monitor_nodes(true)
in theinit
method. Now thegen_server
will receive{node_up, Node}
and{node_down, Node}
messages whenever a node joins or leaves the cluster.A word of caution though, all the nodes will receive these notifications. So if only one node per cluster should be handling
node_up
andnode_down
notifications, that logic needs to be implemented on top of this gen_server.