infrastructure/modules/nixos/monitoring/source/prometheus.nix

{ config, lib, ... }: let
    inherit (lib.modules) mkIf mkMerge;
 in {
    config = {
        services.prometheus.exporters = {
            node = mkMerge [
                {
                    #enable = true;
                    port = 9091;
                    enabledCollectors = [
                        "nfs"
                    ];
                }
               (mkIf config.services.nfs.server.enable {
                    enabledCollectors = [
                        "nfsd"
                    ];
               })
               (mkIf (!config.boot.isContainer) {
                    enabledCollectors = [
                        "nvme"
                        "hwmon"
                    ];
               })
               {
                    enabledCollectors = [
                        "arp"
                        "boottime"
                        "cpu"
                        "cpufreq"
                        "diskstats"
                        "dmi"
                        "entropy"
                        "filesystem"
                        "netdev"
                        "systemd"
                        "sysctl"
                        "systemd"
                        "loadavg"
                        "meminfo"
                        "netstat"
                        "os"
                        "stat"
                        "time"
                        "uname"
                        "vmstat"
                        "zfs"
                       ];
                }
            ];
        };
    };
}