RaftFleet.active_nodes

You're seeing just the function active_nodes, go back to RaftFleet module for more information.

Specs

active_nodes() :: %{required(RaftFleet.ZoneId.t()) => [node()]}

Queries the current nodes which have been activated using activate/1 in the cluster.

This function sends a query to a leader of the RaftFleet.Cluster consensus group, which is managed internally by raft_fleet. The returned value is grouped by zone IDs which have been passed to activate/1. This function exits if no active node exists in the cluster.