feat: massive refactoring...

config/metrics-prometheus.nix

@@ -0,0 +1,43 @@
+{
+  config,
+  tools,
+  pkgs,
+  ...
+}:
+let
+  lib = pkgs.lib;
+in
+{
+  services.prometheus = {
+    enable = true;
+    extraFlags = [
+      "--web.enable-otlp-receiver"
+      "--web.enable-remote-write-receiver"
+    ];
+    globalConfig = {
+      scrape_interval = "30s";
+    };
+    scrapeConfigs = [
+      {
+        job_name = "prometheus";
+        static_configs = [
+          { targets = [ "localhost:9090" ]; }
+        ];
+      }
+    ]
+    ++ (lib.filter (sc: sc.static_configs != [ ]) (
+      lib.mapAttrsToList (
+        container: def:
+        let
+          container_ip = tools.build_ip container;
+        in
+        {
+          job_name = container;
+          static_configs = map (port: {
+            targets = [ "${container_ip}:${toString port}" ];
+          }) def.logging.prometheusPorts;
+        }
+      ) config.my-lxc
+    ));
+  };
+}