flake.nix: system -> stdenv.hostPlatform.system

.gitea/workflows/build-topology-graph.yml

@@ -0,0 +1,32 @@
+name: "Build topology graph"
+on:
+  push:
+    branches:
+      - main
+jobs:
+  evals:
+    runs-on: debian-latest
+    steps:
+    - uses: actions/checkout@v6
+
+    - name: Install sudo
+      run: apt-get update && apt-get -y install sudo
+
+    - uses: https://github.com/cachix/install-nix-action@v31
+
+    - name: Configure Nix
+      run: echo -e "show-trace = true\nmax-jobs = auto\ntrusted-users = root\nexperimental-features = nix-command flakes\nbuild-users-group =" > /etc/nix/nix.conf
+
+    - name: Build topology graph
+      run: nix build .#topology -L
+
+    - name: Upload topology graph
+      uses: https://git.pvv.ntnu.no/Projects/rsync-action@v2
+      with:
+        source: result/*.svg
+        quote-source: false
+        target: ${{ gitea.ref_name }}/topology_graph/
+        username: gitea-web
+        ssh-key: ${{ secrets.WEB_SYNC_SSH_KEY }}
+        host: pages.pvv.ntnu.no
+        known-hosts: "pages.pvv.ntnu.no ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIH2QjfFB+city1SYqltkVqWACfo1j37k+oQQfj13mtgg"

base/default.nix

@@ -16,7 +16,6 @@
     ./flake-input-exporter.nix
 
     ./services/acme.nix
-    ./services/uptimed.nix
     ./services/auto-upgrade.nix
     ./services/dbus.nix
     ./services/fwupd.nix
@@ -28,8 +27,10 @@
     ./services/prometheus-node-exporter.nix
     ./services/prometheus-systemd-exporter.nix
     ./services/promtail.nix
+    ./services/roowho2.nix
     ./services/smartd.nix
     ./services/thermald.nix
+    ./services/uptimed.nix
     ./services/userborn.nix
     ./services/userdbd.nix
   ];

base/services/roowho2.nix

@@ -0,0 +1,12 @@
+{ lib, values, ... }:
+{
+  services.roowho2.enable = lib.mkDefault true;
+
+  systemd.sockets.roowho2-rwhod.socketConfig = {
+    IPAddressDeny = "any";
+    IPAddressAllow = [
+      "127.0.0.1"
+      values.ipv4-space
+    ];
+  };
+}

docs/development.md

@@ -7,7 +7,7 @@ the links from the *Upstream documentation* section below, or in [Miscellaneous
 
 ## Editing nix files
 
-> [!WARN]
+> [!WARNING]
 > Before editing any nix files, make sure to read [Secret management and `sops-nix`](./secret-management.md)!
 > We do not want to add any secrets in plaintext to the nix files, and certainly not commit and publish
 > them into the common public.
@@ -158,7 +158,7 @@ nix build .#
 
 ### Deploying to machines
 
-> [!WARN]
+> [!WARNING]
 > Be careful to think about state when testing changes against the machines. Sometimes, a certain change
 > can lead to irreversible changes to the data stored on the machine. An example would be a set of database
 > migrations applied when testing a newer version of a service. Unless that service also comes with downwards

flake.lock

@@ -1,5 +1,48 @@
 {
   "nodes": {
+    "devshell": {
+      "inputs": {
+        "nixpkgs": [
+          "nix-topology",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1764011051,
+        "narHash": "sha256-M7SZyPZiqZUR/EiiBJnmyUbOi5oE/03tCeFrTiUZchI=",
+        "owner": "numtide",
+        "repo": "devshell",
+        "rev": "17ed8d9744ebe70424659b0ef74ad6d41fc87071",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "devshell",
+        "type": "github"
+      }
+    },
+    "dibbler": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1767906875,
+        "narHash": "sha256-S88Qh7TJwuTkMQqAdXmF3JMkuV2e5GHTdom02QrtdIs=",
+        "ref": "main",
+        "rev": "b86962ef0e15d1a7de445172d4acea454b119a91",
+        "revCount": 220,
+        "type": "git",
+        "url": "https://git.pvv.ntnu.no/Projects/dibbler.git"
+      },
+      "original": {
+        "ref": "main",
+        "type": "git",
+        "url": "https://git.pvv.ntnu.no/Projects/dibbler.git"
+      }
+    },
     "disko": {
       "inputs": {
         "nixpkgs": [
@@ -21,6 +64,57 @@
         "type": "github"
       }
     },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1761588595,
+        "narHash": "sha256-XKUZz9zewJNUj46b4AJdiRZJAvSZ0Dqj2BNfXvFlJC4=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "f387cd2afec9419c8ee37694406ca490c3f34ee5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "id": "flake-utils",
+        "type": "indirect"
+      }
+    },
+    "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "gergle": {
       "inputs": {
         "nixpkgs": [
@@ -28,11 +122,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1764868579,
+        "lastModified": 1767906545,
-        "narHash": "sha256-rfTUOIc0wnC4+19gLVfPbHfXx/ilfuUix6bWY+yaM2U=",
+        "narHash": "sha256-LOf08pcjEQFLs3dLPuep5d1bAXWOFcdfxuk3YMb5KWw=",
         "ref": "main",
-        "rev": "9c923d1d50daa6a3b28c3214ad2300bfaf6c8fcd",
+        "rev": "e55cbe0ce0b20fc5952ed491fa8a553c8afb1bdd",
-        "revCount": 22,
+        "revCount": 23,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Grzegorz/gergle.git"
       },
@@ -42,6 +136,28 @@
         "url": "https://git.pvv.ntnu.no/Grzegorz/gergle.git"
       }
     },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "nix-topology",
+          "pre-commit-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
     "greg-ng": {
       "inputs": {
         "nixpkgs": [
@@ -50,11 +166,11 @@
         "rust-overlay": "rust-overlay"
       },
       "locked": {
-        "lastModified": 1765760377,
+        "lastModified": 1767906494,
-        "narHash": "sha256-2+lgzUjVas9hPSeWn52MwuX+iidMN4RkzkHo4vrGmR8=",
+        "narHash": "sha256-Dd6gtdZfRMAD6JhdX0GdJwIHVaBikePSpQXhIdwLlWI=",
         "ref": "main",
-        "rev": "f340dc5b9c9f3b75b7aca41f56f8869b9e28cf8c",
+        "rev": "7258822e2e90fea2ea00b13b5542f63699e33a9e",
-        "revCount": 58,
+        "revCount": 61,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Grzegorz/greg-ng.git"
       },
@@ -114,11 +230,11 @@
         "rust-overlay": "rust-overlay_2"
       },
       "locked": {
-        "lastModified": 1766407405,
+        "lastModified": 1767906976,
-        "narHash": "sha256-UEJ8F8/oG70biWRrGbL5/aB7OXzzvnYs+jxkR07UHvA=",
+        "narHash": "sha256-igCg8I83eO+noF00raXVJqDxzLS2SrZN8fK5bnvO+xI=",
         "ref": "main",
-        "rev": "e719840f72ca1b0cd169562a3a0de69899821de0",
+        "rev": "626bc9b6bae6a997b347cdbe84080240884f2955",
-        "revCount": 16,
+        "revCount": 17,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Projects/minecraft-heatmap.git"
       },
@@ -135,11 +251,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1765904683,
+        "lastModified": 1767906653,
-        "narHash": "sha256-uXM56y5n5GWpCiCNdKlTcCAy2IntgDB21c4gBDU30io=",
+        "narHash": "sha256-KMiVvnlkRpW4/MVloLURfjv3bvjcae0X9skext2jKVE=",
         "ref": "main",
-        "rev": "6fae27b1659efb6774cf08a4e36ed29ab0e24105",
+        "rev": "584fd6379c905a6370484c5b5ba0623b4fcb778f",
-        "revCount": 26,
+        "revCount": 27,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Projects/minecraft-kartverket.git"
       },
@@ -156,11 +272,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1743881366,
+        "lastModified": 1767906352,
-        "narHash": "sha256-ScGA2IHPk9ugf9bqEZnp+YB/OJgrkZblnG/XLEKvJAo=",
+        "narHash": "sha256-wYsH9MMAPFG3XTL+3DwI39XMG0F2fTmn/5lt265a3Es=",
         "ref": "main",
-        "rev": "db2e4becf1b11e5dfd33de12a90a7d089fcf68ec",
+        "rev": "d054c5d064b8ed6d53a0adb0cf6c0a72febe212e",
-        "revCount": 11,
+        "revCount": 13,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Drift/nix-gitea-themes.git"
       },
@@ -170,13 +286,37 @@
         "url": "https://git.pvv.ntnu.no/Drift/nix-gitea-themes.git"
       }
     },
+    "nix-topology": {
+      "inputs": {
+        "devshell": "devshell",
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "pre-commit-hooks": "pre-commit-hooks"
+      },
+      "locked": {
+        "lastModified": 1767888340,
+        "narHash": "sha256-CccRg4d8TpOUGz2HefBZLNYtGrcAyCMa7GVJHcUd8W4=",
+        "owner": "oddlama",
+        "repo": "nix-topology",
+        "rev": "416ff06f72e810c554761e3f5dbf33b4f331e73e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oddlama",
+        "ref": "main",
+        "repo": "nix-topology",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1764806471,
+        "lastModified": 1767871818,
-        "narHash": "sha256-Qk0SArnS83KqyS9wNt1YoTkkYKDraNrjRWKUtB9DKoM=",
+        "narHash": "sha256-SOIHRu1sk+dW5f5DNTN5xYoeuZCyGIlKqxZ8RRj4lCM=",
-        "rev": "6707b1809330d0f912f5813963bb29f6f194ee81",
+        "rev": "6eb8dee465373971d4495d92e23c2f0979384f76",
         "type": "tarball",
-        "url": "https://releases.nixos.org/nixos/25.11-small/nixos-25.11.896.6707b1809330/nixexprs.tar.xz"
+        "url": "https://releases.nixos.org/nixos/25.11-small/nixos-25.11.3412.6eb8dee46537/nixexprs.tar.xz"
       },
       "original": {
         "type": "tarball",
@@ -185,17 +325,40 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1764854611,
+        "lastModified": 1767870855,
-        "narHash": "sha256-MVzFp4ZKwdh6U1wy4fJe/GY3Hb4cvvyJbAZOhaeBQoo=",
+        "narHash": "sha256-SmrGFE9SdHFz60YbSCF7TtZ+GV8nIiYiI8fTEDyUouc=",
-        "rev": "3a4b875aef660bbd148e86b92cffea2a360c3275",
+        "rev": "719f19e8e447a52152aee8061c7a2951f9254f14",
         "type": "tarball",
-        "url": "https://releases.nixos.org/nixos/unstable-small/nixos-26.05pre906534.3a4b875aef66/nixexprs.tar.xz"
+        "url": "https://releases.nixos.org/nixos/unstable-small/nixos-26.05pre924399.719f19e8e447/nixexprs.tar.xz"
       },
       "original": {
         "type": "tarball",
         "url": "https://nixos.org/channels/nixos-unstable-small/nixexprs.tar.xz"
       }
     },
+    "pre-commit-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "nix-topology",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1765911976,
+        "narHash": "sha256-t3T/xm8zstHRLx+pIHxVpQTiySbKqcQbK+r+01XVKc0=",
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "b68b780b69702a090c8bb1b973bab13756cc7a27",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
     "pvv-calendar-bot": {
       "inputs": {
         "nixpkgs": [
@@ -224,11 +387,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1765978548,
+        "lastModified": 1767906725,
-        "narHash": "sha256-VDSPpw+/Mgo+JujoW12CRlkTs9o0tX/FEL2AR5kl5+Q=",
+        "narHash": "sha256-AZpNzcnbl855mqemSrWbYl2mEgngC2lmiI6yiszEgQw=",
         "ref": "main",
-        "rev": "961f021d27f86b2aedd16290dbf85bdd9d50fd42",
+        "rev": "65118b6abebd339e071c38f00a23b92dbbb72b38",
-        "revCount": 532,
+        "revCount": 537,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Projects/nettsiden.git"
       },
@@ -240,6 +403,7 @@
     },
     "root": {
       "inputs": {
+        "dibbler": "dibbler",
         "disko": "disko",
         "gergle": "gergle",
         "greg-ng": "greg-ng",
@@ -248,13 +412,37 @@
         "minecraft-heatmap": "minecraft-heatmap",
         "minecraft-kartverket": "minecraft-kartverket",
         "nix-gitea-themes": "nix-gitea-themes",
+        "nix-topology": "nix-topology",
         "nixpkgs": "nixpkgs",
         "nixpkgs-unstable": "nixpkgs-unstable",
         "pvv-calendar-bot": "pvv-calendar-bot",
         "pvv-nettsiden": "pvv-nettsiden",
+        "roowho2": "roowho2",
         "sops-nix": "sops-nix"
       }
     },
+    "roowho2": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-overlay": "rust-overlay_3"
+      },
+      "locked": {
+        "lastModified": 1767903580,
+        "narHash": "sha256-UtulIUyFv6HcU5BUcQONtyG29XPTOBMsJ4N0nJGNOUk=",
+        "ref": "main",
+        "rev": "dd23346bda46629788b08aba2e8af3b3f13335af",
+        "revCount": 38,
+        "type": "git",
+        "url": "https://git.pvv.ntnu.no/Projects/roowho2.git"
+      },
+      "original": {
+        "ref": "main",
+        "type": "git",
+        "url": "https://git.pvv.ntnu.no/Projects/roowho2.git"
+      }
+    },
     "rust-overlay": {
       "inputs": {
         "nixpkgs": [
@@ -263,11 +451,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1765680428,
+        "lastModified": 1767840362,
-        "narHash": "sha256-fyPmRof9SZeI14ChPk5rVPOm7ISiiGkwGCunkhM+eUg=",
+        "narHash": "sha256-ZtsFqUhilubohNZ1TgpQIFsi4biZTwRH9rjZsDRDik8=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "eb3898d8ef143d4bf0f7f2229105fc51c7731b2f",
+        "rev": "d159ea1fc321c60f88a616ac28bab660092a227d",
         "type": "github"
       },
       "original": {
@@ -297,6 +485,27 @@
         "type": "github"
       }
     },
+    "rust-overlay_3": {
+      "inputs": {
+        "nixpkgs": [
+          "roowho2",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1767322002,
+        "narHash": "sha256-yHKXXw2OWfIFsyTjduB4EyFwR0SYYF0hK8xI9z4NIn0=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "03c6e38661c02a27ca006a284813afdc461e9f7e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
     "sops-nix": {
       "inputs": {
         "nixpkgs": [
@@ -304,11 +513,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1766894905,
+        "lastModified": 1767826491,
-        "narHash": "sha256-pn8AxxfajqyR/Dmr1wnZYdUXHgM3u6z9x0Z1Ijmz2UQ=",
+        "narHash": "sha256-WSBENPotD2MIhZwolL6GC9npqgaS5fkM7j07V2i/Ur8=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "61b39c7b657081c2adc91b75dd3ad8a91d6f07a7",
+        "rev": "ea3adcb6d2a000d9a69d0e23cad1f2cacb3a9fbe",
         "type": "github"
       },
       "original": {
@@ -317,6 +526,36 @@
         "repo": "sops-nix",
         "type": "github"
       }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -11,12 +11,18 @@
     disko.url = "github:nix-community/disko/v1.11.0";
     disko.inputs.nixpkgs.follows = "nixpkgs";
 
+    nix-topology.url = "github:oddlama/nix-topology/main";
+    nix-topology.inputs.nixpkgs.follows = "nixpkgs";
+
     pvv-nettsiden.url = "git+https://git.pvv.ntnu.no/Projects/nettsiden.git?ref=main";
     pvv-nettsiden.inputs.nixpkgs.follows = "nixpkgs";
 
     pvv-calendar-bot.url = "git+https://git.pvv.ntnu.no/Projects/calendar-bot.git?ref=main";
     pvv-calendar-bot.inputs.nixpkgs.follows = "nixpkgs";
 
+    dibbler.url = "git+https://git.pvv.ntnu.no/Projects/dibbler.git?ref=main";
+    dibbler.inputs.nixpkgs.follows = "nixpkgs";
+
     matrix-next.url = "github:dali99/nixos-matrix-modules/v0.8.0";
     matrix-next.inputs.nixpkgs.follows = "nixpkgs";
 
@@ -26,6 +32,9 @@
     minecraft-heatmap.url = "git+https://git.pvv.ntnu.no/Projects/minecraft-heatmap.git?ref=main";
     minecraft-heatmap.inputs.nixpkgs.follows = "nixpkgs";
 
+    roowho2.url = "git+https://git.pvv.ntnu.no/Projects/roowho2.git?ref=main";
+    roowho2.inputs.nixpkgs.follows = "nixpkgs";
+
     greg-ng.url = "git+https://git.pvv.ntnu.no/Grzegorz/greg-ng.git?ref=main";
     greg-ng.inputs.nixpkgs.follows = "nixpkgs";
     gergle.url = "git+https://git.pvv.ntnu.no/Grzegorz/gergle.git?ref=main";
@@ -74,23 +83,30 @@
         nixpkgs:
         name:
         configurationPath:
-        extraArgs:
+        extraArgs@{
+          system ? "x86_64-linux",
+          specialArgs ? { },
+          modules ? [ ],
+          overlays ? [ ],
+          enableDefaults ? true,
+          ...
+        }:
         lib.nixosSystem (lib.recursiveUpdate
-        (let
+        {
-          system = "x86_64-linux";
-        in {
           inherit system;
 
           specialArgs = {
             inherit unstablePkgs inputs;
             values = import ./values.nix;
             fp = path: ./${path};
-          } // extraArgs.specialArgs or { };
+          } // specialArgs;
 
           modules = [
             configurationPath
+          ] ++ (lib.optionals enableDefaults [
             sops-nix.nixosModules.sops
-          ] ++ extraArgs.modules or [];
+            inputs.roowho2.nixosModules.default
+          ]) ++ modules;
 
           pkgs = import nixpkgs {
             inherit system;
@@ -99,15 +115,18 @@
                 "nvidia-x11"
                 "nvidia-settings"
               ];
-            overlays = [
+            overlays = (lib.optionals enableDefaults [
               # Global overlays go here
-            ] ++ extraArgs.overlays or [ ];
+              inputs.roowho2.overlays.default
+            ]) ++ overlays;
           };
-        })
+        }
         (builtins.removeAttrs extraArgs [
+          "system"
           "modules"
           "overlays"
           "specialArgs"
+          "enableDefaults"
         ])
       );
 
@@ -131,7 +150,7 @@
           inputs.pvv-calendar-bot.overlays.default
           inputs.minecraft-heatmap.overlays.default
           (final: prev: {
-            inherit (self.packages.${prev.system}) out-of-your-element;
+            inherit (self.packages.${prev.stdenv.hostPlatform.system}) out-of-your-element;
           })
         ];
       };
@@ -192,6 +211,16 @@
           inputs.gergle.overlays.default
         ];
       };
+      skrott = stableNixosConfig "skrott" {
+        system = "aarch64-linux";
+        modules = [
+          (nixpkgs + "/nixos/modules/installer/sd-card/sd-image-aarch64.nix")
+          inputs.dibbler.nixosModules.default
+        ];
+        overlays = [
+          inputs.dibbler.overlays.default
+        ];
+      };
     }
     //
     (let
@@ -240,14 +269,67 @@
         bluemap = pkgs.callPackage ./packages/bluemap.nix { };
 
         out-of-your-element = pkgs.callPackage ./packages/out-of-your-element.nix { };
-      } //
+      }
+      //
+      # Mediawiki extensions
       (lib.pipe null [
         (_: pkgs.callPackage ./packages/mediawiki-extensions { })
         (lib.flip builtins.removeAttrs ["override" "overrideDerivation"])
         (lib.mapAttrs' (name: lib.nameValuePair "mediawiki-${name}"))
       ])
-      // lib.genAttrs allMachines
+      //
-        (machine: self.nixosConfigurations.${machine}.config.system.build.toplevel);
+      # Machines
+      lib.genAttrs allMachines
+        (machine: self.nixosConfigurations.${machine}.config.system.build.toplevel)
+      //
+      # Skrott is exception
+      {
+        skrott = self.nixosConfigurations.skrott.config.system.build.sdImage;
+      }
+      //
+      # Nix-topology
+      (let
+        topology' = import inputs.nix-topology {
+          pkgs = import nixpkgs {
+            system = "x86_64-linux";
+            overlays = [
+              inputs.nix-topology.overlays.default
+              (final: prev: {
+                inherit (nixpkgs-unstable.legacyPackages.x86_64-linux) super-tiny-icons;
+              })
+            ];
+          };
+
+          specialArgs = {
+            values = import ./values.nix;
+          };
+
+          modules = [
+            ./topology
+            {
+              nixosConfigurations = lib.mapAttrs (_name: nixosCfg: nixosCfg.extendModules {
+                modules = [
+                  inputs.nix-topology.nixosModules.default
+                  ./topology/service-extractors/greg-ng.nix
+                  ./topology/service-extractors/postgresql.nix
+                  ./topology/service-extractors/mysql.nix
+                  ./topology/service-extractors/gitea-runners.nix
+                ];
+              }) self.nixosConfigurations;
+            }
+          ];
+        };
+      in {
+        topology = topology'.config.output;
+        topology-png = pkgs.runCommand "pvv-config-topology-png" {
+          nativeBuildInputs = [ pkgs.writableTmpDirAsHomeHook ];
+        } ''
+          mkdir -p "$out"
+          for file in '${topology'.config.output}'/*.svg; do
+            ${lib.getExe pkgs.imagemagick} -density 300 -background none "$file" "$out"/"$(basename "''${file%.svg}.png")"
+          done
+        '';
+      });
     };
   };
 }

hosts/bekkalokk/configuration.nix

@@ -5,6 +5,7 @@
 
     (fp /base)
 
+    ./services/alps.nix
     ./services/bluemap.nix
     ./services/idp-simplesamlphp
     ./services/kerberos.nix

hosts/bekkalokk/services/alps.nix

@@ -0,0 +1,22 @@
+{ config, lib, ... }:
+let
+  cfg = config.services.alps;
+in
+{
+  services.alps = {
+    enable = true;
+    theme = "sourcehut";
+    smtps.host = "smtp.pvv.ntnu.no";
+    imaps.host = "imap.pvv.ntnu.no";
+    bindIP = "127.0.0.1";
+  };
+
+  services.nginx.virtualHosts."alps.pvv.ntnu.no" = lib.mkIf cfg.enable {
+    enableACME = true;
+    forceSSL = true;
+    kTLS = true;
+    locations."/" = {
+      proxyPass = "http://${cfg.bindIP}:${toString cfg.port}";
+    };
+  };
+}

hosts/skrott/configuration.nix

@@ -0,0 +1,61 @@
+{ pkgs, lib, fp, ... }: {
+  imports = [
+    # ./hardware-configuration.nix
+
+    (fp /base)
+  ];
+
+  boot = {
+    consoleLogLevel = 0;
+    enableContainers = false;
+    loader.grub.enable = false;
+    kernelPackages = pkgs.linuxPackages;
+  };
+
+  # Now turn off a bunch of stuff lol
+  system.autoUpgrade.enable = lib.mkForce false;
+  services.irqbalance.enable = lib.mkForce false;
+  services.logrotate.enable = lib.mkForce false;
+  services.nginx.enable = lib.mkForce false;
+  services.postfix.enable = lib.mkForce false;
+
+  # TODO: can we reduce further?
+
+  system.stateVersion = "25.05";
+
+  # sops.defaultSopsFile = fp /secrets/skrott/skrott.yaml;
+  # sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
+  # sops.age.keyFile = "/var/lib/sops-nix/key.txt";
+  # sops.age.generateKey = true;
+
+  # zramSwap.enable = true;
+
+  networking = {
+    hostName = "skrot";
+    interfaces.eth0 = {
+      useDHCP = false;
+      ipv4.addresses = [{
+        address = "129.241.210.235";
+        prefixLength = 25;
+      }];
+    };
+  };
+
+  services.dibbler = {
+    enable = true;
+    kioskMode = true;
+    limitScreenWidth = 80;
+    limitScreenHeight = 42;
+  };
+
+  # https://github.com/NixOS/nixpkgs/issues/84105
+  boot.kernelParams = [
+    "console=ttyUSB0,9600"
+    # "console=tty1" # Already part of the module
+  ];
+  systemd.services."serial-getty@ttyUSB0" = {
+    enable = true;
+    wantedBy = [ "getty.target" ]; # to start at boot
+    serviceConfig.Restart = "always"; # restart when session is closed
+  };
+}

topology/default.nix

@@ -0,0 +1,264 @@
+{ config, pkgs, lib, values, ... }:
+let
+  inherit
+    (config.lib.topology)
+    mkInternet
+    mkRouter
+    mkSwitch
+    mkDevice
+    mkConnection
+    mkConnectionRev;
+in {
+  imports = [
+    ./non-nixos-machines.nix
+  ];
+
+  ### Networks
+
+  networks.pvv = {
+    name = "PVV Network";
+    cidrv4 = values.ipv4-space;
+    cidrv6 = values.ipv6-space;
+  };
+
+  networks.site-vpn = {
+    name = "OpenVPN Site to Site";
+    style = {
+      primaryColor = "#9dd68d";
+      secondaryColor = null;
+      pattern = "dashed";
+    };
+  };
+
+  networks.ntnu = {
+    name = "NTNU";
+    cidrv4 = values.ntnu.ipv4-space;
+    cidrv6 = values.ntnu.ipv6-space;
+  };
+
+  nodes.internet = mkInternet {
+    connections = mkConnection "ntnu" "wan1";
+  };
+
+  nodes.ntnu = mkRouter "NTNU" {
+    interfaceGroups = [ ["wan1"] ["eth1" "eth2" "eth3"] ];
+    connections.eth1 = mkConnection "ntnu-pvv-router" "wan1";
+    connections.eth2 = mkConnection "ntnu-veggen" "wan1";
+    connections.eth3 = mkConnection "stackit" "*";
+    interfaces.eth1.network = "ntnu";
+  };
+
+  ### Brus
+
+  nodes.ntnu-pvv-router = mkRouter "NTNU PVV Gateway" {
+    interfaceGroups = [ ["wan1"] ["eth1"] ];
+    connections.eth1 = mkConnection "knutsen" "em1";
+    interfaces.eth1.network = "pvv";
+  };
+
+  nodes.knutsen = mkRouter "knutsen" {
+    deviceIcon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/freebsd.svg";
+
+    interfaceGroups = [ ["em0"] ["em1"] ["vpn1"] ];
+
+    connections.em0 = mkConnection "nintendo" "eth0";
+
+    # connections.vpn1 = mkConnection "ludvigsen" "vpn1";
+    interfaces.vpn1.network = "site-vpn";
+    interfaces.vpn1.virtual = true;
+    interfaces.vpn1.icon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/openvpn.svg";
+
+    interfaces.em0.network = "pvv";
+    interfaces.em1.network = "ntnu";
+  };
+
+  nodes.nintendo = mkSwitch "Nintendo (brus switch)" {
+    interfaceGroups =  [ (lib.genList (i: "eth${toString i}") 16) ];
+
+    connections = let
+      connections' = [
+        (mkConnection "bekkalokk" "enp2s0")
+        # (mkConnection "bicep" "enp6s0f0") # NOTE: physical machine is dead at the moment
+        (mkConnection "buskerud" "eth1")
+        # (mkConnection "knutsen" "eth1")
+        (mkConnection "powerpuff-cluster" "eth1")
+        (mkConnection "lupine-1" "enp0s31f6")
+        (mkConnection "lupine-2" "enp0s31f6")
+        (mkConnection "lupine-3" "enp0s31f6")
+        (mkConnection "lupine-4" "enp0s31f6")
+        (mkConnection "lupine-5" "enp0s31f6")
+        (mkConnection "innovation" "em0")
+        (mkConnection "microbel" "eth0")
+        (mkConnection "isvegg" "eth0")
+        (mkConnection "ameno" "eth0")
+        (mkConnection "sleipner" "eno0")
+      ];
+    in
+    assert (lib.length connections' <= 15);
+    builtins.listToAttrs (
+      lib.zipListsWith
+        (a: b: lib.nameValuePair a b)
+        (lib.genList (i: "eth${toString (i + 1)}") 15)
+        connections'
+    );
+  };
+
+  nodes.bekkalokk.hardware.info = "Supermicro X9SCL/X9SCM";
+
+  nodes.lupine-1.hardware.info = "Dell OptiPlex 7040";
+  # nodes.lupine-2.hardware.info = "Dell OptiPlex 5050";
+  nodes.lupine-3.hardware.info = "Dell OptiPlex 5050";
+  nodes.lupine-4.hardware.info = "Dell OptiPlex 5050";
+  # nodes.lupine-5.hardware.info = "Dell OptiPlex 5050";
+
+  nodes.buskerud = mkDevice "buskerud" {
+    deviceIcon = ./icons/proxmox.svg;
+    interfaceGroups = [ [ "eth1" ] ];
+
+    interfaces.eth1.network = "pvv";
+
+    services = {
+      proxmox = {
+        name = "Proxmox web interface";
+        info = "https://buskerud.pvv.ntnu.no:8006/";
+      };
+    };
+  };
+
+  nodes.shark = {
+    guestType = "proxmox";
+    parent = config.nodes.buskerud.id;
+
+    interfaces.ens18.network = "pvv";
+  };
+
+  ### Powerpuff
+
+  nodes.powerpuff-cluster = mkDevice "Powerpuff Cluster" {
+    deviceIcon = ./icons/proxmox.svg;
+
+    hardware.info = "Dell PowerEdge R730 x 3";
+
+    interfaceGroups = [ [ "eth1" ] ];
+
+    services = {
+      proxmox = {
+        name = "Proxmox web interface";
+        details.bubbles.text = "https://bubbles.pvv.ntnu.no:8006/";
+        details.blossom.text = "https://blossom.pvv.ntnu.no:8006/";
+        details.buttercup.text = "https://buttercup.pvv.ntnu.no:8006/";
+      };
+    };
+  };
+
+  nodes.kommode = {
+    guestType = "proxmox";
+    parent = config.nodes.powerpuff-cluster.id;
+
+    interfaces.ens18.network = "pvv";
+  };
+
+  nodes.bicep = {
+    guestType = "proxmox";
+    parent = config.nodes.powerpuff-cluster.id;
+
+    # hardware.info = "HP Proliant DL370G6";
+
+    interfaces.ens18.network = "pvv";
+  };
+
+  nodes.ustetind = {
+    guestType = "proxmox LXC";
+    parent = config.nodes.powerpuff-cluster.id;
+
+    # TODO: the interface name is likely wrong
+    # interfaceGroups = [ [ "eth0" ] ];
+    interfaces.eth0 = {
+      network = "pvv";
+      # mac = "";
+      addresses = [
+        "129.241.210.234"
+        "2001:700:300:1900::234"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+  };
+
+  ### PVV
+
+  nodes.ntnu-veggen = mkRouter "NTNU-Veggen" {
+    interfaceGroups = [ ["wan1"] ["eth1"] ];
+    connections.eth1 = mkConnection "ludvigsen" "re0";
+  };
+
+  nodes.ludvigsen = mkRouter "ludvigsen" {
+    deviceIcon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/freebsd.svg";
+
+    interfaceGroups = [ [ "re0" ] [ "em0" ] [ "vpn1" ] ];
+
+    connections.em0 = mkConnection "pvv-switch" "eth0";
+
+    interfaces.vpn1.network = "site-vpn";
+    interfaces.vpn1.virtual = true;
+    interfaces.vpn1.icon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/openvpn.svg";
+
+    interfaces.re0.network = "ntnu";
+    interfaces.em0.network = "pvv";
+  };
+
+  nodes.pvv-switch = mkSwitch "PVV Switch (Terminalrommet)" {
+    interfaceGroups =  [ (lib.genList (i: "eth${toString i}") 16) ];
+    connections = let
+      connections' = [
+        (mkConnection "brzeczyszczykiewicz" "eno1")
+        (mkConnection "georg" "eno1")
+        (mkConnection "wegonke" "enp4s0")
+        (mkConnection "demiurgen" "eno1")
+        (mkConnection "sanctuary" "ethernet_0")
+        (mkConnection "torskas" "eth0")
+        (mkConnection "skrott" "eth0")
+        (mkConnection "homeassistant" "eth0")
+        (mkConnection "orchid" "eth0")
+        (mkConnection "principal" "em0")
+      ];
+    in
+    assert (lib.length connections' <= 15);
+    builtins.listToAttrs (
+      lib.zipListsWith
+        (a: b: lib.nameValuePair a b)
+        (lib.genList (i: "eth${toString (i + 1)}") 15)
+        connections'
+    );
+  };
+
+
+  ### Openstack
+
+  nodes.stackit = mkDevice "stackit" {
+    interfaceGroups = [ [ "*" ] ];
+
+    interfaces."*".network = "ntnu";
+  };
+
+  nodes.ildkule = {
+    guestType = "openstack";
+    parent = config.nodes.stackit.id;
+
+    interfaces.ens4.network = "ntnu";
+  };
+  nodes.wenche = {
+    guestType = "openstack";
+    parent = config.nodes.stackit.id;
+
+    interfaces.ens18.network = "pvv";
+  };
+  nodes.bakke = {
+    guestType = "openstack";
+    parent = config.nodes.stackit.id;
+
+    interfaces.enp2s0.network = "pvv";
+  };
+}

topology/icons/proxmox.svg

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?><!-- Uploaded to: SVG Repo, www.svgrepo.com, Generator: SVG Repo Mixer Tools -->
+<svg width="800px" height="800px" viewBox="0 0 1024 1024" xmlns="http://www.w3.org/2000/svg">
+   <circle cx="512" cy="512" r="512" style="fill:#e57000"/>
+   <path d="M512 497.8 342.7 311.6c6.6-6.6 14.2-11.7 22.9-15.5 8.7-3.8 18.1-5.7 28.1-5.7 10.7.1 20.4 2.2 29.3 6.3 8.9 4.1 16.6 9.8 23.1 17l65.8 71.9 65.4-71.9c6.8-7.2 14.7-12.9 23.6-17 9-4.1 18.7-6.2 29.2-6.3 10 .1 19.4 2 28.1 5.7 8.7 3.8 16.4 8.9 22.9 15.5L512 497.8m0 28.4L342.7 712.4c6.6 6.6 14.2 11.7 22.9 15.5 8.7 3.8 18.1 5.7 28.1 5.7 10.5-.1 20.2-2.2 29.2-6.3s16.9-9.8 23.6-17l65.4-71.9 65.8 71.9c6.5 7.2 14.2 12.9 23.1 17 8.9 4.1 18.6 6.2 29.3 6.3 10-.1 19.4-2 28.1-5.7 8.7-3.8 16.4-8.9 22.9-15.5L512 526.2M497.8 512 370.3 372.2c-7.4-7.9-16-14.1-25.9-18.7-9.8-4.5-20.5-6.8-31.9-6.9-11 .1-21.3 2.2-30.8 6.3-9.6 4.1-17.9 9.8-25.1 16.9L385.9 512 256.5 654.2c7.2 7.4 15.6 13.2 25.1 17.4 9.6 4.2 19.8 6.3 30.8 6.3 11.5-.1 22.2-2.4 32.1-6.9 9.9-4.5 18.5-10.8 25.7-18.7L497.8 512m28.4 0 127.5 140.3c7.2 7.9 15.8 14.1 25.7 18.7 9.9 4.5 20.6 6.8 32.1 6.9 11-.1 21.3-2.2 30.8-6.3 9.6-4.2 17.9-9.9 25.1-17.4L638.1 512l129.4-142.2c-7.2-7.2-15.6-12.8-25.1-16.9-9.6-4.1-19.8-6.2-30.8-6.3-11.4.1-22.1 2.4-31.9 6.9-9.8 4.5-18.5 10.8-25.9 18.7L526.2 512" style="fill:#fff"/>
+</svg>

topology/non-nixos-machines.nix

@@ -0,0 +1,402 @@
+{ config, pkgs, lib, values, ... }:
+let
+  inherit (config.lib.topology) mkDevice;
+in {
+  nodes.balduzius = mkDevice "balduzius" {
+    guestType = "proxmox";
+    parent = config.nodes.powerpuff-cluster.id;
+    deviceIcon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/debian.svg";
+
+    interfaceGroups = [ [ "ens18" ] ];
+    interfaces.ens18 = {
+      network = "pvv";
+      mac = "00:0c:29:de:05:0f";
+      addresses = [
+        "129.241.210.192"
+        "2001:700:300:1900::1:42"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+
+    services = {
+      kdc = {
+        name = "Heimdal KDC";
+        info = "kdc.pvv.ntnu.no";
+        details.kdc.text = "0.0.0.0:88";
+        details.kpasswd.text = "0.0.0.0:464";
+      };
+    };
+  };
+
+  nodes.tom = mkDevice "tom" {
+    guestType = "proxmox";
+    parent = config.nodes.powerpuff-cluster.id;
+    deviceIcon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/debian.svg";
+
+    interfaceGroups = [ [ "ens18" ] ];
+    interfaces.ens18 = {
+      network = "pvv";
+      mac = "00:0c:29:4d:f7:56";
+      addresses = [
+        "129.241.210.180"
+        "2001:700:300:1900::180"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+
+    services = {
+      apache2 = {
+        name = "Apache2 - user websites";
+        info = "www.pvv.ntnu.no/~";
+        details.listen.text = "0.0.0.0:443";
+      };
+    };
+  };
+
+  nodes.hildring = mkDevice "hildring" {
+    guestType = "proxmox";
+    parent = config.nodes.powerpuff-cluster.id;
+    deviceType = "loginbox";
+    deviceIcon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/debian.svg";
+
+    interfaceGroups = [ [ "eth0" ] ];
+    interfaces.eth0 = {
+      network = "pvv";
+      mac = "00:0c:29:e7:dd:79";
+      addresses = [
+        "129.241.210.176"
+        "2001:700:300:1900::1:9"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+  };
+
+  nodes.drolsum = mkDevice "drolsum" {
+    guestType = "proxmox";
+    parent = config.nodes.powerpuff-cluster.id;
+    deviceType = "loginbox";
+    deviceIcon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/debian.svg";
+
+    # TODO: the interface name is likely wrong
+    interfaceGroups = [ [ "eth0" ] ];
+    interfaces.eth0 = {
+      network = "pvv";
+      # mac = "";
+      addresses = [
+        "129.241.210.217"
+        "2001:700:300:1900::217"
+        "2001:700:300:1900::1:217"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+  };
+
+  nodes.microbel = mkDevice "microbel" {
+    deviceIcon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/debian.svg";
+
+    hardware.info = "Supermicro X8ST3";
+
+    interfaceGroups = [ [ "eth0" "eth1" ] ];
+    interfaces.eth0 = {
+      mac = "00:25:90:24:76:2c";
+      addresses = [
+        "129.241.210.179"
+        "2001:700:300:1900::1:2"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+
+    services = {
+      dovecot = {
+        name = "Dovecot";
+        info = "imap.pvv.ntnu.no pop.pvv.ntnu.no";
+        icon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/dovecot.svg";
+        details.imap.text = "0.0.0.0:993";
+        details.pop3.text = "0.0.0.0:995";
+      };
+
+      exim4 = {
+        name = "Exim4";
+        info = "mail.pvv.ntnu.no mailhost.pvv.ntnu.no";
+        details.smtp.text = "0.0.0.0:25";
+        details.smtps.text = "0.0.0.0:465";
+        details.starttls.text = "0.0.0.0:587";
+      };
+
+      nfs = {
+        name = "NFS";
+        info = "homepvv.pvv.ntnu.no";
+        details.rpcbind.text = "0.0.0.0:111";
+      };
+    };
+  };
+
+  nodes.innovation = mkDevice "innovation" {
+    deviceIcon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/freebsd.svg";
+
+    hardware.info = "Dell Optiplex 9010";
+
+    interfaceGroups = [ [ "em0" ] ];
+    interfaces.em0 = {
+      mac = "18:03:73:20:18:d3";
+      addresses = [
+        "129.241.210.214"
+        "2001:700:300:1900::1:56"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+    services = {
+      minecraft = {
+        name = "Minecraft";
+        icon = "services.minecraft";
+        info = "minecraft.pvv.ntnu.no";
+        details.listen.text = "0.0.0.0:25565";
+        details.directory.text = "/srv/minecraft-pvv";
+      };
+    };
+  };
+
+  nodes.principal = mkDevice "principal" {
+    deviceIcon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/freebsd.svg";
+
+    # TODO: the interface name is likely wrong
+    interfaceGroups = [ [ "em0" ] ];
+    interfaces.em0 = {
+      # mac = "";
+      addresses = [
+        "129.241.210.233"
+        "2001:700:300:1900::1:233"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+  };
+
+  nodes.homeassistant = mkDevice "homeassistant" {
+    deviceIcon = "services.home-assistant";
+
+    hardware.info = "Raspberry Pi 4B";
+
+    # TODO: the interface name is likely wrong
+    interfaceGroups = [ [ "eth0" ] ];
+    interfaces.eth0 = {
+      # mac = "";
+      addresses = [
+        "129.241.210.229"
+        "2001:700:300:1900::4:229"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+  };
+
+  nodes.sleipner = mkDevice "sleipner" {
+    deviceIcon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/debian.svg";
+
+    interfaceGroups = [ [ "eno0" "enp2s0" ] ];
+    interfaces.enp2s0 = {
+      mac = "00:25:90:57:35:8e";
+      addresses = [
+        "129.241.210.193"
+        "2001:700:300:1900:fab:cab:dab:7ab"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+  };
+
+  nodes.isvegg = mkDevice "isvegg" {
+    deviceIcon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/debian.svg";
+
+    # TODO: the interface name is likely wrong
+    interfaceGroups = [ [ "eth0" ] ];
+    interfaces.eth0 = {
+      # mac = "";
+      addresses = [
+        "129.241.210.175"
+        "2001:700:300:1900::1:a"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+
+    services = {
+      mapcrafter = {
+        name = "Mapcrafter Minecraft Map";
+        info = "http://isvegg.pvv.ntnu.no/kart/";
+        details.directory.text = "/scratch/mckart/kart";
+      };
+      gophernicus = {
+        name = "Gophernicus";
+        info = "gopher://gopher.pvv.ntnu.no/";
+        details.directory.text = "/var/gopher";
+      };
+    };
+  };
+
+  nodes.ameno = mkDevice "ameno" {
+    deviceIcon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/ubuntu.svg";
+
+    hardware.info = "Raspberry Pi 2B 1.1";
+
+    interfaceGroups = [ [ "eth0" ] ];
+    interfaces.eth0 = {
+      mac = "b8:27:eb:62:1d:d8";
+      addresses = [
+        "129.241.210.230"
+        "129.241.210.211"
+        "129.241.210.153"
+        "2001:700:300:1900:ba27:ebff:fe62:1dd8"
+        "2001:700:300:1900::4:230"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+    services = {
+      bind = {
+        name = "Bind DNS";
+        icon = ./icons/bind9.png;
+        info = "hostmaster.pvv.ntnu.no";
+        details.listen.text = "0.0.0.0:53";
+      };
+    };
+  };
+
+  nodes.skrott = mkDevice "skrott" {
+    # TODO: the interface name is likely wrong
+    interfaceGroups = [ [ "eth0" ] ];
+    interfaces.eth0 = {
+      # mac = "";
+      addresses = [
+        "129.241.210.235"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+  };
+
+  nodes.torskas = mkDevice "torskas" {
+    deviceIcon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/arch_linux.svg";
+
+    hardware.info = "Raspberry pi 4B";
+
+    # TODO: the interface name is likely wrong
+    interfaceGroups = [ [ "eth0" ] ];
+    interfaces.eth0 = {
+      # mac = "";
+      addresses = [
+        "129.241.210.241"
+        "2001:700:300:1900::241"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+  };
+
+  nodes.wegonke = mkDevice "wegonke" {
+    deviceType = "terminal";
+    deviceIcon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/debian.svg";
+
+    hardware.info = "ASUSTeK G11CD-K";
+
+    interfaceGroups = [ [ "enp4s0" ] ];
+    interfaces.enp4s0 = {
+      mac = "70:4d:7b:a3:32:57";
+      addresses = [
+        "129.241.210.218"
+        "2001:700:300:1900::1:218"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+  };
+
+  nodes.demiurgen = mkDevice "demiurgen" {
+    deviceType = "terminal";
+    deviceIcon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/debian.svg";
+
+    interfaceGroups = [ [ "eno1" ] ];
+    interfaces.eno1 = {
+      mac = "18:03:73:1f:f4:1f";
+      addresses = [
+        "129.241.210.201"
+        "2001:700:300:1900::1:4e"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+  };
+
+  nodes.sanctuary = mkDevice "sanctuary" {
+    deviceType = "terminal";
+    deviceIcon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/windows.svg";
+
+    interfaceGroups = [ [ "ethernet_0" ] ];
+    interfaces.ethernet_0 = {
+      addresses = [
+        "129.241.210.170"
+        "2001:700:300:1900::1337"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+  };
+
+  nodes.orchid = mkDevice "orchid" {
+    deviceType = "terminal";
+    deviceIcon = "${pkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/debian.svg";
+
+    hardware.info = "Ryzen1600 Nvidia GTX 1060";
+
+    # TODO: the interface name is likely wrong
+    interfaceGroups = [ [ "eth0" ] ];
+    interfaces.eth0 = {
+      addresses = [
+        "129.241.210.210"
+        "2001:700:300:1900::210"
+      ];
+      gateways = [
+        values.hosts.gateway
+        values.hosts.gateway6
+      ];
+    };
+  };
+}

topology/service-extractors/gitea-runners.nix

@@ -0,0 +1,13 @@
+{ config, unstablePkgs, lib, ... }:
+let
+  cfg = config.services.gitea-actions-runner;
+in
+{
+  config.topology.self.services = lib.mapAttrs' (name: instance: {
+    name = "gitea-runner-${name}";
+    value = {
+      name = "Gitea runner ${name}";
+      icon = "services.gitea";
+    };
+  }) (lib.filterAttrs (_: instance: instance.enable) cfg.instances);
+}

topology/service-extractors/greg-ng.nix

@@ -0,0 +1,11 @@
+{ config, lib, ... }:
+let
+  cfg = config.services.greg-ng or { enable = false; };
+in
+{
+  config.topology.self.services.greg-ng = lib.mkIf cfg.enable {
+    name = "Greg-ng";
+    icon = ../icons/greg-ng.png;
+    details.listen = { text = "${cfg.settings.host}:${toString cfg.settings.port}"; };
+  };
+}

topology/service-extractors/mysql.nix

@@ -0,0 +1,19 @@
+{ config, unstablePkgs, lib, ... }:
+let
+  cfg = config.services.mysql;
+  cfgBak = config.services.mysqlBackup;
+in
+{
+  config.topology.self.services.mysql = lib.mkIf cfg.enable {
+    name = "MySQL";
+    icon = "${unstablePkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/mysql.svg";
+
+    details.listen.text = "${cfg.settings.mysqld.bind-address or "127.0.0.1"}:${toString (cfg.settings.mysqld.port or 3306)}";
+    details.socket.text = cfg.settings.mysqld.socket or "/run/mysqld/mysqld.sock";
+    details.type.text = cfg.package.pname;
+    details.dataDir.text = cfg.dataDir;
+
+    # details.backup-time = lib.mkIf cfgBak.enable cfgBak.calendar;
+    # details.backup-location = lib.mkIf cfgBak.enable cfgBak.location;
+  };
+}

topology/service-extractors/postgresql.nix

@@ -0,0 +1,19 @@
+{ config, unstablePkgs, lib, ... }:
+let
+  cfg = config.services.postgresql;
+  cfgBak = config.services.postgresqlBackup;
+in
+{
+  config.topology.self.services.postgresql = lib.mkIf cfg.enable {
+    name = "PostgreSQL";
+    icon = "${unstablePkgs.super-tiny-icons}/share/icons/SuperTinyIcons/svg/postgresql.svg";
+
+    details.listen.text = lib.mkIf cfg.enableTCPIP "0.0.0.0:${toString cfg.settings.port}";
+    details.socket.text = "/run/postgresql/.s.PGSQL.${toString cfg.settings.port}";
+    details.version.text = cfg.package.version;
+    details.dataDir.text = cfg.dataDir;
+
+    # details.backup-time = lib.mkIf cfgBak.enable cfgBak.startAt;
+    # details.backup-location = lib.mkIf cfgBak.enable cfgBak.location;
+  };
+}