nix-dotfiles/hosts/tsuki/services/grafana/prometheus-exporters/matrix-synapse.nix

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{ lib, config, ... }:
{
services.prometheus.scrapeConfigs =
lib.pipe config.services.matrix-synapse-next.workers.instances [
(lib.mapAttrsToList (_: v: v))
# Add metrics for main process to the list of workers
(x: x ++ [{ type = "master"; index = 1; settings.worker_listeners = [{ port = 9000; }]; }])
(map (w: let
port = lib.pipe w.settings.worker_listeners [
lib.last
(l: l.port)
toString
];
in {
job_name = "synapse-${port}";
scrape_interval = "15s";
metrics_path = "/_synapse/metrics";
static_configs = [{
targets = [ "localhost:${port}" ];
labels = {
instance = "matrix.nani.wtf";
job = w.type;
index = toString w.index;
};
}];
}))
];
}