From 66cc00087e076058123e7d04f962e16cd7ce4a9c Mon Sep 17 00:00:00 2001
From: zowoq <59103226+zowoq@users.noreply.github.com>
Date: Sat, 1 Jun 2024 13:14:58 +1000
Subject: [PATCH] nix-topology

---
 dev/docs.nix                     |  3 ++-
 dev/topology.nix                 | 22 ++++++++++++++++++++++
 docs/infrastructure.md           |  7 +++++++
 flake.lock                       | 30 ++++++++++++++++++++++++++++++
 flake.nix                        |  7 +++++++
 mkdocs.yml                       |  1 +
 modules/nixos/common/default.nix |  1 +
 7 files changed, 70 insertions(+), 1 deletion(-)
 create mode 100644 dev/topology.nix
 create mode 100644 docs/infrastructure.md

diff --git a/dev/docs.nix b/dev/docs.nix
index d86eda092..30443575b 100644
--- a/dev/docs.nix
+++ b/dev/docs.nix
@@ -15,7 +15,8 @@
           };
         }
         ''
-          cd $files
+          cp --no-preserve=mode -r $files/* .
+          cp --no-preserve=mode -r ${config.packages.topology-output}/* docs
           mkdocs build --strict --site-dir $out
         '';
     docs-linkcheck = pkgs.testers.lycheeLinkCheck rec {
diff --git a/dev/topology.nix b/dev/topology.nix
new file mode 100644
index 000000000..e336a99c5
--- /dev/null
+++ b/dev/topology.nix
@@ -0,0 +1,22 @@
+{ self, ... }:
+{
+  perSystem =
+    { system, ... }:
+    {
+      topology.modules = [
+        {
+          nodes = {
+            darwin01 = {
+              name = "darwin01";
+              deviceType = "nixos";
+            };
+            darwin02 = {
+              name = "darwin02";
+              deviceType = "nixos";
+            };
+          };
+        }
+      ];
+      packages.topology-output = self.topology.${system}.config.output;
+    };
+}
diff --git a/docs/infrastructure.md b/docs/infrastructure.md
new file mode 100644
index 000000000..53f77f76f
--- /dev/null
+++ b/docs/infrastructure.md
@@ -0,0 +1,7 @@
+#### Main
+
+[<img src="../main.svg" height="200" width="200" alt="main">](main.svg)
+
+#### Network
+
+[<img src="../network.svg" height="200" width="200" alt="network">](network.svg)
diff --git a/flake.lock b/flake.lock
index f90b381e7..b791bfb12 100644
--- a/flake.lock
+++ b/flake.lock
@@ -260,6 +260,35 @@
         "type": "github"
       }
     },
+    "nix-topology": {
+      "inputs": {
+        "devshell": [
+          "empty"
+        ],
+        "flake-utils": [
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "pre-commit-hooks": [
+          "empty"
+        ]
+      },
+      "locked": {
+        "lastModified": 1725483443,
+        "narHash": "sha256-WzOlGMKV/51Fccn/OMHcm5yrqgbOJZrJIy1ya4pW0u8=",
+        "owner": "oddlama",
+        "repo": "nix-topology",
+        "rev": "8738d94670265beb166954c4e3a26e432f79f68c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oddlama",
+        "repo": "nix-topology",
+        "type": "github"
+      }
+    },
     "nixos-facter-modules": {
       "locked": {
         "lastModified": 1728725827,
@@ -383,6 +412,7 @@
         "lite-config": "lite-config",
         "nix-darwin": "nix-darwin",
         "nix-index-database": "nix-index-database",
+        "nix-topology": "nix-topology",
         "nixos-facter-modules": "nixos-facter-modules",
         "nixpkgs": "nixpkgs",
         "nixpkgs-update": "nixpkgs-update",
diff --git a/flake.nix b/flake.nix
index 2fa496bb9..46e34d767 100644
--- a/flake.nix
+++ b/flake.nix
@@ -36,6 +36,11 @@
     nix-darwin.url = "github:LnL7/nix-darwin";
     nix-index-database.inputs.nixpkgs.follows = "nixpkgs";
     nix-index-database.url = "github:nix-community/nix-index-database";
+    nix-topology.inputs.devshell.follows = "empty";
+    nix-topology.inputs.flake-utils.follows = "flake-utils";
+    nix-topology.inputs.nixpkgs.follows = "nixpkgs";
+    nix-topology.inputs.pre-commit-hooks.follows = "empty";
+    nix-topology.url = "github:oddlama/nix-topology";
     nixos-facter-modules.url = "github:numtide/nixos-facter-modules";
     nixpkgs-update-github-releases.flake = false;
     nixpkgs-update-github-releases.url = "github:nix-community/nixpkgs-update-github-releases";
@@ -62,7 +67,9 @@
       systems = import inputs.systems;
 
       imports = [
+        ./dev/topology.nix
         inputs.lite-config.flakeModule
+        inputs.nix-topology.flakeModule
         inputs.treefmt-nix.flakeModule
       ];
 
diff --git a/mkdocs.yml b/mkdocs.yml
index 926f16f54..6203d2cca 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -16,6 +16,7 @@ nav:
       - FAQ: faq.md
       - administrators.md
       - contact.md
+      - infrastructure.md
       - security.md
 
 theme:
diff --git a/modules/nixos/common/default.nix b/modules/nixos/common/default.nix
index 6a01d5ed5..21954fa85 100644
--- a/modules/nixos/common/default.nix
+++ b/modules/nixos/common/default.nix
@@ -15,6 +15,7 @@
     ./update.nix
     ./users.nix
     inputs.srvos.nixosModules.server
+    inputs.nix-topology.nixosModules.default
   ];
 
   # Hard-link duplicated files