modules/prometheus: refactor

machines/dolomite/claw.nix

@@ -31,14 +31,7 @@
       fsType = "ext4";
     };
 
-    swapDevices = [ ];
-
-    # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-    # (the default) this is the recommended approach. When using systemd-networkd it's
-    # still possible to use this option, but it's recommended to use it in conjunction
-    # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-    # networking.useNetworkd = false;
-
+    networking.useNetworkd = true;
     systemd.network.enable = true;
     systemd.network.networks."10-wan" = {
       matchConfig.MACAddress = "00:16:3e:0a:ec:45";
@@ -47,7 +40,6 @@
         UseDNS = true;
       };
     };
-    # networking.interfaces.eth0.useDHCP = lib.mkDefault true;
 
     nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   };

machines/dolomite/common.nix

@@ -21,12 +21,20 @@
         };
       };
     };
+    swapDevices = [
+      {
+        device = "/swapfile";
+        size = 2 * 1024;
+      }
+    ];
 
-    custom.prometheus = {
-      enable = lib.mkDefault true;
-      exporters.blackbox.enable = true;
+    custom.prometheus.exporters = {
+      enable = true;
+      node.enable = true;
     };
 
+    services.tailscale.enable = true;
+
     commonSettings = {
       auth.enable = true;
       proxyServer = {

machines/dolomite/fra.nix

@@ -52,6 +52,12 @@
     networkConfig = {
       DHCP = "no";
       Gateway = "185.217.108.1";
+      DNSSEC = true;
+      DNSOverTLS = true;
+      DNS = [
+        "8.8.8.8#dns.google"
+        "8.8.4.4#dns.google"
+      ];
     };
     address = [ "185.217.108.59/24" ];
   };