nebula: Test with desktop and vps-private

Flake lock file updates:

• Updated input 'firefox-addons':
    'gitlab:rycee/nur-expressions/2843ec4d4793815111a1b99e170ec7b1842b7f9f?dir=pkgs/firefox-addons&narHash=sha256-j9BnLfWdJrJrETfmfnlnpvRGKVp1MLRaw78oYDSnTRY%3D' (2025-12-16)
  → 'gitlab:rycee/nur-expressions/8b55bb199045aa79e2965b7482b04ee4773192e3?dir=pkgs/firefox-addons&narHash=sha256-UrIuqnXvM%2B73owAiq1zjHNtaWrv72wD1yKO6jTowhTQ%3D' (2025-12-20)
• Updated input 'home-manager':
    'github:nix-community/home-manager/7df150f0d3857cf68dae443813b27acfb201b2d8?narHash=sha256-LN5O0h9GSgcDE/sz4%2BsLS3CbQALru1x4lh9hrxpeHwI%3D' (2025-12-16)
  → 'github:nix-community/home-manager/d3135ab747fd9dac250ffb90b4a7e80634eacbe9?narHash=sha256-/r9/1KamvbHJx6I40H4HsSXnEcBAkj46ZwibhBx9kg0%3D' (2025-12-17)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/c8cfcd6ccd422e41cc631a0b73ed4d5a925c393d?narHash=sha256-3iXM/zTqEskWtmZs3gqNiVtRTsEjYAedIaLL0mSBsrk%3D' (2025-12-15)
  → 'github:nixos/nixpkgs/c6f52ebd45e5925c188d1a20119978aa4ffd5ef6?narHash=sha256-m5KWt1nOm76ILk/JSCxBM4MfK3rYY7Wq9/TZIIeGnT8%3D' (2025-12-15)
• Updated input 'nixpkgs-unstable':
    'github:nixos/nixpkgs/1306659b587dc277866c7b69eb97e5f07864d8c4?narHash=sha256-KJ2wa/BLSrTqDjbfyNx70ov/HdgNBCBBSQP3BIzKnv4%3D' (2025-12-15)
  → 'github:nixos/nixpkgs/c6245e83d836d0433170a16eb185cefe0572f8b8?narHash=sha256-G/WVghka6c4bAzMhTwT2vjLccg/awmHkdKSd2JrycLc%3D' (2025-12-18)
• Updated input 'treefmt':
    'github:numtide/treefmt-nix/5b4ee75aeefd1e2d5a1cc43cf6ba65eba75e83e4?narHash=sha256-AlEObg0syDl%2BSpi4LsZIBrjw%2BsnSVU4T8MOeuZJUJjM%3D' (2025-11-12)
  → 'github:numtide/treefmt-nix/42d96e75aa56a3f70cab7e7dc4a32868db28e8fd?narHash=sha256-%2BcqN4PJz9y0JQXfAK5J1drd0U05D5fcAGhzhfVrDlsI%3D' (2025-12-17)
• Updated input 'vscode-extensions':
    'github:nix-community/nix-vscode-extensions/3117a5178ba33eafea691756cca52ab250f2a5a9?narHash=sha256-WMxrG7K5kQQS0dc8b8WDdwKyBYokRc0Ssa1gIcAigBs%3D' (2025-12-16)
  → 'github:nix-community/nix-vscode-extensions/4ee8ee764ea5cf2fcb44684d04488b8f5e2115b7?narHash=sha256-e7kkh5axo86jc7QRMnWYpHNf9hHbG53xMTzr5v63cjw%3D' (2025-12-20)

flake.lock

@@ -88,11 +88,11 @@
       },
       "locked": {
         "dir": "pkgs/firefox-addons",
-        "lastModified": 1765876616,
+        "lastModified": 1766203416,
-        "narHash": "sha256-j9BnLfWdJrJrETfmfnlnpvRGKVp1MLRaw78oYDSnTRY=",
+        "narHash": "sha256-UrIuqnXvM+73owAiq1zjHNtaWrv72wD1yKO6jTowhTQ=",
         "owner": "rycee",
         "repo": "nur-expressions",
-        "rev": "2843ec4d4793815111a1b99e170ec7b1842b7f9f",
+        "rev": "8b55bb199045aa79e2965b7482b04ee4773192e3",
         "type": "gitlab"
       },
       "original": {
@@ -160,11 +160,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1765859973,
+        "lastModified": 1765979862,
-        "narHash": "sha256-LN5O0h9GSgcDE/sz4+sLS3CbQALru1x4lh9hrxpeHwI=",
+        "narHash": "sha256-/r9/1KamvbHJx6I40H4HsSXnEcBAkj46ZwibhBx9kg0=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "7df150f0d3857cf68dae443813b27acfb201b2d8",
+        "rev": "d3135ab747fd9dac250ffb90b4a7e80634eacbe9",
         "type": "github"
       },
       "original": {
@@ -207,11 +207,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1765762245,
+        "lastModified": 1765838191,
-        "narHash": "sha256-3iXM/zTqEskWtmZs3gqNiVtRTsEjYAedIaLL0mSBsrk=",
+        "narHash": "sha256-m5KWt1nOm76ILk/JSCxBM4MfK3rYY7Wq9/TZIIeGnT8=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "c8cfcd6ccd422e41cc631a0b73ed4d5a925c393d",
+        "rev": "c6f52ebd45e5925c188d1a20119978aa4ffd5ef6",
         "type": "github"
       },
       "original": {
@@ -238,11 +238,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1765779637,
+        "lastModified": 1766070988,
-        "narHash": "sha256-KJ2wa/BLSrTqDjbfyNx70ov/HdgNBCBBSQP3BIzKnv4=",
+        "narHash": "sha256-G/WVghka6c4bAzMhTwT2vjLccg/awmHkdKSd2JrycLc=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "1306659b587dc277866c7b69eb97e5f07864d8c4",
+        "rev": "c6245e83d836d0433170a16eb185cefe0572f8b8",
         "type": "github"
       },
       "original": {
@@ -344,11 +344,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1762938485,
+        "lastModified": 1766000401,
-        "narHash": "sha256-AlEObg0syDl+Spi4LsZIBrjw+snSVU4T8MOeuZJUJjM=",
+        "narHash": "sha256-+cqN4PJz9y0JQXfAK5J1drd0U05D5fcAGhzhfVrDlsI=",
         "owner": "numtide",
         "repo": "treefmt-nix",
-        "rev": "5b4ee75aeefd1e2d5a1cc43cf6ba65eba75e83e4",
+        "rev": "42d96e75aa56a3f70cab7e7dc4a32868db28e8fd",
         "type": "github"
       },
       "original": {
@@ -382,11 +382,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1765850658,
+        "lastModified": 1766225876,
-        "narHash": "sha256-WMxrG7K5kQQS0dc8b8WDdwKyBYokRc0Ssa1gIcAigBs=",
+        "narHash": "sha256-e7kkh5axo86jc7QRMnWYpHNf9hHbG53xMTzr5v63cjw=",
         "owner": "nix-community",
         "repo": "nix-vscode-extensions",
-        "rev": "3117a5178ba33eafea691756cca52ab250f2a5a9",
+        "rev": "4ee8ee764ea5cf2fcb44684d04488b8f5e2115b7",
         "type": "github"
       },
       "original": {

hosts/common.nix

@@ -36,8 +36,8 @@
         commit-lock-file-summary = "flake.lock: Update";
         allow-import-from-derivation = false;
 
-        min-free = 1 * 1024 * 1024 * 1024;
+        min-free = 4 * 1024 * 1024 * 1024;
-        max-free = 5 * 1024 * 1024 * 1024;
+        max-free = 8 * 1024 * 1024 * 1024;
       };
     };
 

hosts/desktop/default.nix

@@ -33,6 +33,10 @@
         enable = true;
         ssh.enable = true;
       };
+      nebula.node = {
+        enable = true;
+        address = "10.254.250.1";
+      };
       syncthing = {
         enable = true;
         deviceId = "FAJS5WM-UAWGW2U-FXCGPSP-VAUOTGM-XUKSEES-D66PMCJ-WBODJLV-XTNCRA7";

hosts/desktop/keys/nebula.crt

@@ -0,0 +1,6 @@
+-----BEGIN NEBULA CERTIFICATE V2-----
+MIGmoECAB2Rlc2t0b3ChBwQFCv76ARiFBGlIaqqGBGsoffSHIBVD/hlbqt7XLMVq
+DE4DhIQzJRBaXtQIwm5gRTI7c0VogiAWuCbaQyz2y1A+OrT1+mI2U2EdQ3X3HPzA
+SkjZQ+zAG4NANTlPvjlzVHXcvSnZpWO0HVFFLlFKkPav33SUb51KaOt+HX0Xyu3r
+3EvhBuRRS6pc6x5/ZawfxWakQwb5dTuhDg==
+-----END NEBULA CERTIFICATE V2-----

hosts/desktop/keys/nebula.pub

@@ -0,0 +1,3 @@
+-----BEGIN NEBULA X25519 PUBLIC KEY-----
+Frgm2kMs9stQPjq09fpiNlNhHUN19xz8wEpI2UPswBs=
+-----END NEBULA X25519 PUBLIC KEY-----

hosts/desktop/secrets.json

@@ -7,6 +7,9 @@
     "cert": "ENC[AES256_GCM,data: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,iv:72+0+hlBxKtuhjhrLD1EMlx8LcJtskxO+MCpYj7rpes=,tag:qnQlahuimpMoVY1hbTGI6g==,type:str]",
     "key": "ENC[AES256_GCM,data:A/Am53gADkKNOn1kAgNoJmirRhIDtysyX8+ubtpyKTQKhTzEJfEKFrVw5BjJ8rYRS31DgMYV20FQs7HOfoRsR3MFdSGDFUgePnbIcNGpHD6EY8GJ9TblT+NyPsYsKG4WgFZElOjQYT3X9Rr0IWoNnDJoOaaI5sCpOumfLKWrekWvYfTUT+SiFfkCebeEQs7ZF7G6ZQJF73upaeKdbd8/uBdcfVc/c6PdjGvY1xnCOAqW39S9K2fK0RibqHs8BiuzPBTCYjBg6euYXi+XGrZjmHLFnj/ZflroiPJr/qFhMDVnmiaW7M3sWYDQYYPd6rk6Adam+ylEAU8BXwIjmdHNkR48WbdIDYWCHHdv4iZ8MLTj6MaX/ksIZvev2M19Eiyi,iv:lkGS4uR0Xd7FnahXLjVc8g0PiRPxyUS6YQY3EM3B5G0=,tag:NZYybe/MgP+LNlJ09AiV6g==,type:str]"
   },
+  "nebula": {
+    "host-key": "ENC[AES256_GCM,data:Udr9Frsmn5krgFHgjTbtUoziUCL9eRgFpslWL8Pfx6Y/iHaLg2zuuH8OnsU1wRr68VZVxJ8lhhPInG2Q+SFOaUt9LHAxRc+GxeBq0kRw+Slqd8dOyvFC+Q9IBlgf9dynF/gyyCNsaec9arggvK0BJiHuCZeJ15gCE9nUQJspAw==,iv:fZQOFH+iFWUu+Vap7irn0i265NuFwwzvaK0J1tRdbl4=,tag:d6uWFpM77RsPAyKwCES8zg==,type:str]"
+  },
   "sops": {
     "age": [
       {
@@ -18,9 +21,9 @@
         "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSA2Qmh4TnU2U0toYXZlaUpU\nZWdBVFMwRVpxelBTb3FvMHVDQkFMMkVlOEVjCjNaTEJDaGlkcUJtem43aDZ6Yk9j\nZGhmWFFvbm1HN0N1VkUyN1lQLzM2c0UKLS0tIHhEeFNyaXI0UDB0ZDBydW80djRX\nSmpyNDlLSFMvaXRsZGdWcS9nVTRzbk0KNryo5P1+bu9vntBafSgAAHxSsYXG2ELj\nQQM6kP+eaSoEFXfWxp7dhxHcjoTjQ9DmCgzVaDUD8nLzFsiJsgbjIg==\n-----END AGE ENCRYPTED FILE-----\n"
       }
     ],
-    "lastmodified": "2025-10-11T15:48:45Z",
+    "lastmodified": "2025-12-21T01:21:48Z",
-    "mac": "ENC[AES256_GCM,data:JXwbZJDo7yDhTPA7QfJ83dWuIJovwyijqcU6XtLMToN6LQnqsdD0mJ9blZDXFT6X+Z/LIlkeK/LOZURYLp73FiAPV5I8S9D7iq/PCGiB6HZOIAzZbwD4s3/0lw+0FhcpVK6obS1gMqr1si6vDm5mM4XvhMifOCx9Dxic8IuGoTg=,iv:QbxT/6oNQa598yeAFBrYnNn/N8uNsMoIZNJMPAaijH8=,tag:1IgkVIJlcpQ9TNW/javbmg==,type:str]",
+    "mac": "ENC[AES256_GCM,data:tn8lgEn8Sp2YYFUVRUa+yOND7oISGld22+otWBB9U1she28JZ+g+vvdpCPRPevkqWHA+BawKUKkaD8Iaoe732HQukpbIBrVgK+g6YpaSnakhSZPGV2oE3z7KdSDeYdBF/La0ml1OKs67hldFfN9D2Sl5RdTROwBWaVaJesNTFS4=,iv:BCbSXBAUqb/LoDfLXLi6UB+CRuJOKEXuHFjITAdaH+E=,tag:f570BuZv30rL45m4y1IwJg==,type:str]",
     "unencrypted_suffix": "_unencrypted",
-    "version": "3.10.2"
+    "version": "3.11.0"
   }
 }

hosts/vps-private/default.nix

@@ -33,6 +33,12 @@
           ssh.enable = true;
           exitNode.enable = true;
         };
+        nebula.node = {
+          enable = true;
+          address = "10.254.250.2";
+          isLighthouse = true;
+          routableAddress = "49.13.231.235";
+        };
 
         syncthing = {
           enable = true;

hosts/vps-private/keys/nebula.crt

@@ -0,0 +1,6 @@
+-----BEGIN NEBULA CERTIFICATE V2-----
+MIGqoESAC3Zwcy1wcml2YXRloQcEBQr++gIYhQRpSG/KhgRrKH30hyAVQ/4ZW6re
+1yzFagxOA4SEMyUQWl7UCMJuYEUyO3NFaIIgxxdwQe3CJkEjhN6lB0dWCNqjNug5
+oIN9KQTTTCp0dguDQHynn1xdarsZsfvF6ZJB01HrOVgLs2kVod3ZZZD3L8Fe/hfF
+TryU5SxJ8MH6irDdtgTs+9pU+BaNWms1X4zfkAQ=
+-----END NEBULA CERTIFICATE V2-----

hosts/vps-private/keys/nebula.pub

@@ -0,0 +1,3 @@
+-----BEGIN NEBULA X25519 PUBLIC KEY-----
+xxdwQe3CJkEjhN6lB0dWCNqjNug5oIN9KQTTTCp0dgs=
+-----END NEBULA X25519 PUBLIC KEY-----

hosts/vps-private/secrets.json

@@ -21,6 +21,9 @@
   "radicale": {
     "htpasswd": "ENC[AES256_GCM,data:PaN9mAYR8slQQpojnZpCPMNxgQtvCa0pj90tfUgQr9MFgout7RpbWs97XMzbmWws6ov3g91+0U5l1tcS68O4rQ==,iv:Je68Sg1b5qkx1WYJ5y11yx+ASNd5bk43YpY8axzqNGI=,tag:Ce84ptIiCIRHpZHSoozoyg==,type:str]"
   },
+  "nebula": {
+    "host-key": "ENC[AES256_GCM,data:dS3tXWUK+POzTZ98wLETaWz4ief/yFULCfI5Y3EbK26KQpwxzw6cpLXUNOSZeUwz9brN/4JcwUgewJR08Uq3HZhKZKoMPZfPRtZMDe51I4RYg4hZd1mMWXQn82KmSytZCiDIL/9qCwYvObVRiNCpAOKRj6JBpgpoQ1u5hgn1EA==,iv:G25EpAnvoLfYXAdPyJVqS3ocUPg5LQlUoi7fA+XFOZ8=,tag:/BNhuxJCunM85H9DnPF5Kg==,type:str]"
+  },
   "sops": {
     "age": [
       {
@@ -32,8 +35,8 @@
         "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBqU01heng3NHdrYnZFZmZn\nZlJtUUIyd1ExTmhzeU5iZFZadFcwR25GOEVZCmxHOXNWQVh1ZlJSRHJtaDVHNVUv\nbTY0TlNmZ2hESDkzS2M3WHdlamxwclkKLS0tIEEvOFd3TDFkQmQwbjBodHhpb1BD\nZ2NvTnNqQmtrLy9aVDdGRGxZbVgrZG8KdnnjJWcjZFu3R8fVKToj6THHHRCFou9k\njQoedCZAML2A2FZIhHugH9wnDUPQQjG86WbcCBuFWcOTGiTF2gN+Qg==\n-----END AGE ENCRYPTED FILE-----\n"
       }
     ],
-    "lastmodified": "2025-12-09T12:25:40Z",
+    "lastmodified": "2025-12-21T22:05:56Z",
-    "mac": "ENC[AES256_GCM,data:S9WbziGg3LInSZ0ClNa7AKAOHxmYN12K/8Gw0EEWU/Sw5drdQ0UUPapU6r2FJRssQhjw03tOfwylEHO0fFZx9ra0bk9ZX+QrNnktSWNzpJE3XAg9/OzApOoyWptvfxEFLWdYb7FgB4qlK+goNYTiC7sPe1Z4j9Ct25ARfFQYKFc=,iv:7vehA/fdtEJ3B+vnsP2EkaO0L8h4B/gmXudFgJCyyAA=,tag:wBYlqvWDQobqPutTVFbfEA==,type:str]",
+    "mac": "ENC[AES256_GCM,data:i6N/BeTtqkiYz5igk7mHxa69Z8MEe2cRF9541P93utNBddrTGev4VQ5VoqEQEkcOpKWvH5DbQcfsa8k60/zaGXJZ9tWbmbBiBTrbjdslpPJTbVkIwMXWYVhbS87WhfAsyQbRzXu73/jArGKVfDPzcdl2FuRmzXZKQkVjRc7x+Rc=,iv:HxjT6ppxY6jkrSPrcP9m84dd2gy2rGCGKV8MdjGy7FA=,tag:KPWQ2nhsGFuhX8ddFhEZow==,type:str]",
     "unencrypted_suffix": "_unencrypted",
     "version": "3.11.0"
   }

modules/system/services/caddy.nix

@@ -112,7 +112,7 @@ in
         services.caddy = {
           package = pkgs.caddy.withPlugins {
             plugins = [ "github.com/tailscale/caddy-tailscale@v0.0.0-20251117033914-662ef34c64b1" ];
-            hash = "sha256-t2Gw0AbkguS3pwl3FLooK6ZA16mWJLHAkHe3ZdqaE+c=";
+            hash = "sha256-3lc2oSLFIco5Pgz1QNH2hT5tDTPZ4wcbc+NKH9wLEfY=";
           };
           globalConfig = ''
             tailscale {

modules/system/services/nebula/ca.crt

@@ -0,0 +1,5 @@
+-----BEGIN NEBULA CERTIFICATE V2-----
+MHugFYAEbWFpboQB/4UEaUdKdYYEayh99YIg5FsAhFthpvA/ELlR7NVFGvuIB5Zv
+66n1h1qg0vumHY+DQHGky+1qxbGswdyDZBYfqctktyfJUMKk0TZIn6cqYLbydSZJ
+J9HxMj2JWu/d/2nsh11uhRwquBH733AmXZ2DDgE=
+-----END NEBULA CERTIFICATE V2-----

modules/system/services/nebula/default.nix

@@ -0,0 +1,100 @@
+{
+  config,
+  self,
+  lib,
+  ...
+}:
+let
+  cfg = config.custom.services.nebula.node;
+
+  hostname = config.networking.hostName;
+
+  lighthouses =
+    self.nixosConfigurations
+    |> lib.filterAttrs (name: _: name != hostname)
+    |> lib.attrValues
+    |> lib.map (value: value.config.custom.services.nebula.node)
+    |> lib.filter (nebula: nebula.enable)
+    |> lib.filter (nebula: nebula.isLighthouse);
+in
+{
+  options.custom.services.nebula.node = {
+    enable = lib.mkEnableOption "";
+    name = lib.mkOption {
+      type = lib.types.nonEmptyStr;
+      default = config.networking.hostName;
+    };
+    address = lib.mkOption {
+      type = lib.types.nonEmptyStr;
+      default = "";
+    };
+
+    isLighthouse = lib.mkEnableOption "";
+    routableAddress = lib.mkOption {
+      type = lib.types.nullOr lib.types.nonEmptyStr;
+      default = null;
+    };
+    routablePort = lib.mkOption {
+      type = lib.types.nullOr lib.types.port;
+      default = if cfg.isLighthouse then 47141 else null;
+    };
+
+    pubPath = lib.mkOption {
+      type = lib.types.path;
+      default = "${self}/hosts/${hostname}/keys/nebula.pub";
+    };
+    certPath = lib.mkOption {
+      type = lib.types.path;
+      default = "${self}/hosts/${hostname}/keys/nebula.crt";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    meta.ports.udp = lib.optional (cfg.routablePort != 0) cfg.routablePort;
+
+    sops.secrets."nebula/host-key" = {
+      owner = config.users.users.nebula-main.name;
+      restartUnits = [ "nebula@main.service" ];
+    };
+
+    services.nebula.networks.main = {
+      enable = true;
+
+      ca = ./ca.crt;
+      cert = cfg.certPath;
+      key = config.sops.secrets."nebula/host-key".path;
+
+      listen.port = cfg.routablePort;
+
+      isLighthouse = cfg.isLighthouse;
+      lighthouses = lib.mkIf (!cfg.isLighthouse) (
+        lighthouses |> lib.map (lighthouse: lighthouse.address)
+      );
+      staticHostMap =
+        lighthouses
+        |> lib.map (lighthouse: {
+          name = lighthouse.address;
+          value = lib.singleton "${lighthouse.routableAddress}:${toString lighthouse.routablePort}";
+        })
+        |> lib.listToAttrs;
+
+      firewall = {
+        outbound = lib.singleton {
+          host = "any";
+          port = "any";
+          proto = "any";
+        };
+        inbound = lib.singleton {
+          host = "any";
+          port = "any";
+          proto = "any";
+        };
+      };
+
+      settings = {
+        pki.disconnect_invalid = true;
+        cipher = "aes";
+      };
+    };
+  };
+}