infrastructure/services/prometheus.nix

{ config, hosts, lib, ... }:

with lib;

let
  prom_configs =
    (mapAttrs (hostName: host: host.config.services.prometheus.exporters.node)
      (filterAttrs
        (_: host: host.config.services.prometheus.exporters.node.enable)
        hosts));
  nd_configs =
    (mapAttrs (hostName: host: host.config.services.netdata)
      (filterAttrs
        (_: host: host.config.services.netdata.enable)
        hosts));
in {
  services.prometheus = {
    enable = true;
    scrapeConfigs = [ 
      {
        job_name = "boline";
        static_configs = [{ targets = [ "boline.net.kittywit.ch:8002" ];}];
      }
    ] ++ mapAttrsToList (hostName: prom: {
      job_name = "${hostName}-nd";
      metrics_path = "/api/v1/allmetrics";
      honor_labels = true;
      params = {
        format = [ "prometheus" ];        
      };
      static_configs = [{
        targets = [ 
          "${hostName}.net.kittywit.ch:19999" 
        ];
      }];
    }) nd_configs ++ mapAttrsToList (hostName: prom: {
      job_name = hostName;
      static_configs = [{
        targets = [ 
          "${hostName}.net.kittywit.ch:${toString prom.port}" 
        ];
      }];
    }) prom_configs;
  };
}