feat(dotfiles): migrate flake scaffolding

This commit is contained in:
2026-08-30 19:44:23 -04:00
parent 7a6dc4d6f3
commit ba4fbb984a
8 changed files with 1408 additions and 18 deletions

723
flake.lock generated
View File

@@ -1,5 +1,711 @@
{
"nodes": {
"base16": {
"inputs": {
"fromYaml": "fromYaml"
},
"locked": {
"lastModified": 1755819240,
"narHash": "sha256-qcMhnL7aGAuFuutH4rq9fvAhCpJWVHLcHVZLtPctPlo=",
"owner": "SenchoPens",
"repo": "base16.nix",
"rev": "75ed5e5e3fce37df22e49125181fa37899c3ccd6",
"type": "github"
},
"original": {
"owner": "SenchoPens",
"repo": "base16.nix",
"type": "github"
}
},
"base16-fish": {
"flake": false,
"locked": {
"lastModified": 1765809053,
"narHash": "sha256-XCUQLoLfBJ8saWms2HCIj4NEN+xNsWBlU1NrEPcQG4s=",
"owner": "tomyun",
"repo": "base16-fish",
"rev": "86cbea4dca62e08fb7fd83a70e96472f92574782",
"type": "github"
},
"original": {
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"repo": "base16-fish",
"rev": "86cbea4dca62e08fb7fd83a70e96472f92574782",
"type": "github"
}
},
"base16-helix": {
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"locked": {
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"narHash": "sha256-E3OAK27smtATTmX45uoTSRsVD+Y+ZiVVfgM/tjpbtYg=",
"owner": "tinted-theming",
"repo": "base16-helix",
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"type": "github"
},
"original": {
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"repo": "base16-helix",
"type": "github"
}
},
"base16-vim": {
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"locked": {
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"narHash": "sha256-e0bpPySdJf0F68Ndanwm+KWHgQiZ0s7liLhvJSWDNsA=",
"owner": "tinted-theming",
"repo": "base16-vim",
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"original": {
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}
},
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"home-manager": "home-manager",
"nixpkgs": "nixpkgs-chaotic"
},
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"owner": "chaotic-cx",
"repo": "nyx",
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"repo": "nyx",
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}
},
"disko": {
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]
},
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"narHash": "sha256-RxWs5ND31KzTG7wvMM+PMfUjyNpmIEr999lqNARaM5o=",
"owner": "nix-community",
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"original": {
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}
},
"firefox-addons": {
"inputs": {
"nixpkgs": [
"nixpkgs"
]
},
"locked": {
"dir": "pkgs/firefox-addons",
"lastModified": 1785384175,
"narHash": "sha256-sWSJPXpQwKJstL4rdhpAQYCYlHK5wOkEHR8/lNHBVb4=",
"owner": "rycee",
"repo": "nur-expressions",
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"original": {
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"owner": "rycee",
"repo": "nur-expressions",
"type": "gitlab"
}
},
"firefox-gnome-theme": {
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"locked": {
"lastModified": 1782007937,
"narHash": "sha256-PbnJr+eB+9Czol3ReI83dUgEhcn0sDK6TSy6ODTQm88=",
"owner": "rafaelmardojai",
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"original": {
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}
},
"flake-parts": {
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]
},
"locked": {
"lastModified": 1782949081,
"narHash": "sha256-vp6Y/Grm98ESt6ceOkWiHWyZRDV3J1RID4w+6NWK9yA=",
"owner": "hercules-ci",
"repo": "flake-parts",
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},
"original": {
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}
},
"flake-parts_2": {
"inputs": {
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"nixpkgs"
]
},
"locked": {
"lastModified": 1782949081,
"narHash": "sha256-vp6Y/Grm98ESt6ceOkWiHWyZRDV3J1RID4w+6NWK9yA=",
"owner": "hercules-ci",
"repo": "flake-parts",
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},
"original": {
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}
},
"flake-schemas": {
"locked": {
"lastModified": 1780327564,
"narHash": "sha256-HiRPtA0spK+Dkgbhz/1zW9glXxNVB+L4Rj2VYmdawb8=",
"rev": "6cc9bd98891b1fc6bb2b8cb3277df8bc72799ca6",
"revCount": 149,
"type": "tarball",
"url": "https://api.flakehub.com/f/pinned/DeterminateSystems/flake-schemas/0.5.0/019e83cf-9af3-78b1-ac5b-70e68ad1efe1/source.tar.gz"
},
"original": {
"type": "tarball",
"url": "https://flakehub.com/f/DeterminateSystems/flake-schemas/%3D0.5.0.tar.gz"
}
},
"flake-utils": {
"inputs": {
"systems": "systems_2"
},
"locked": {
"lastModified": 1731533236,
"narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
"owner": "numtide",
"repo": "flake-utils",
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"type": "github"
},
"original": {
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"repo": "flake-utils",
"type": "github"
}
},
"fromYaml": {
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"locked": {
"lastModified": 1731966426,
"narHash": "sha256-lq95WydhbUTWig/JpqiB7oViTcHFP8Lv41IGtayokA8=",
"owner": "SenchoPens",
"repo": "fromYaml",
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"type": "github"
},
"original": {
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"repo": "fromYaml",
"type": "github"
}
},
"gitea-axi": {
"inputs": {
"home-manager": "home-manager_2",
"nixpkgs": [
"nixpkgs"
]
},
"locked": {
"lastModified": 1785340481,
"narHash": "sha256-GSxdQ7w8yYfZnfkXUuZ2fYIKibe9ZU8xDGyqpeTb2tE=",
"ref": "refs/heads/main",
"rev": "627fc9a32bb80d97923540fc0d3e9661961462ba",
"revCount": 83,
"type": "git",
"url": "https://git.alexion.dev/alexion/gitea-axi"
},
"original": {
"type": "git",
"url": "https://git.alexion.dev/alexion/gitea-axi"
}
},
"gitea-axi_2": {
"inputs": {
"home-manager": "home-manager_4",
"nixpkgs": [
"skills",
"nixpkgs"
]
},
"locked": {
"lastModified": 1785340481,
"narHash": "sha256-GSxdQ7w8yYfZnfkXUuZ2fYIKibe9ZU8xDGyqpeTb2tE=",
"ref": "refs/heads/main",
"rev": "627fc9a32bb80d97923540fc0d3e9661961462ba",
"revCount": 83,
"type": "git",
"url": "https://git.alexion.dev/alexion/gitea-axi"
},
"original": {
"type": "git",
"url": "https://git.alexion.dev/alexion/gitea-axi"
}
},
"gnome-shell": {
"flake": false,
"locked": {
"host": "gitlab.gnome.org",
"lastModified": 1776175984,
"narHash": "sha256-RJFlFW8GiMei6oqUGrMkGEvVqOH8U7Q8abc1yK4VKD8=",
"owner": "GNOME",
"repo": "gnome-shell",
"rev": "e0fdc4c13250e9a9b8ea9594c83925274f4a5dca",
"type": "gitlab"
},
"original": {
"host": "gitlab.gnome.org",
"owner": "GNOME",
"ref": "50.1",
"repo": "gnome-shell",
"type": "gitlab"
}
},
"home-manager": {
"inputs": {
"nixpkgs": [
"chaotic",
"nixpkgs"
]
},
"locked": {
"lastModified": 1785288465,
"narHash": "sha256-nCkxaGRtyNheNTxoc527gjOG0BN2zovsWDQVBeKDMW8=",
"owner": "nix-community",
"repo": "home-manager",
"rev": "36662afed2fa1c9b69bdd03edb92ad572202ca20",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "home-manager",
"type": "github"
}
},
"home-manager_2": {
"inputs": {
"nixpkgs": [
"gitea-axi",
"nixpkgs"
]
},
"locked": {
"lastModified": 1784588016,
"narHash": "sha256-ouZe80aWEhMLVMkqICFDN+JUw+0FJtCr/bh+hHtRtMg=",
"owner": "nix-community",
"repo": "home-manager",
"rev": "deeb6b7eb7e0c44ae1819c051ce175bd92a85100",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "home-manager",
"type": "github"
}
},
"home-manager_3": {
"inputs": {
"nixpkgs": [
"nixpkgs"
]
},
"locked": {
"lastModified": 1785306346,
"narHash": "sha256-DScBkW0fOgpGPK2trNoX3ryLTlaC14+gglFo/BhGJ4g=",
"owner": "nix-community",
"repo": "home-manager",
"rev": "e705714e918c3b11affcdd15db2cbe3a070420a0",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "home-manager",
"type": "github"
}
},
"home-manager_4": {
"inputs": {
"nixpkgs": [
"skills",
"gitea-axi",
"nixpkgs"
]
},
"locked": {
"lastModified": 1784588016,
"narHash": "sha256-ouZe80aWEhMLVMkqICFDN+JUw+0FJtCr/bh+hHtRtMg=",
"owner": "nix-community",
"repo": "home-manager",
"rev": "deeb6b7eb7e0c44ae1819c051ce175bd92a85100",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "home-manager",
"type": "github"
}
},
"home-manager_5": {
"inputs": {
"nixpkgs": [
"skills",
"nixpkgs"
]
},
"locked": {
"lastModified": 1784725727,
"narHash": "sha256-J5+C9wsO0lhDyUalQzfplDbRjyHDYeEH5+9sdyXtwa8=",
"owner": "nix-community",
"repo": "home-manager",
"rev": "041a999e8c1c5b731913855909e68d30ca69b8e0",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "home-manager",
"type": "github"
}
},
"nixos-hardware": {
"inputs": {
"nixpkgs": [
"nixpkgs"
]
},
"locked": {
"lastModified": 1785232496,
"narHash": "sha256-65EQYIRRpTdpH8lUiB6Mvo5uBkG60aBIzAJuALfx+O0=",
"owner": "NixOS",
"repo": "nixos-hardware",
"rev": "2e790b0a6be8ec2b76174ac0931b8ff11919ec98",
"type": "github"
},
"original": {
"owner": "NixOS",
"repo": "nixos-hardware",
"type": "github"
}
},
"nixpkgs-stable": {
"locked": {
"lastModified": 1785133411,
"narHash": "sha256-Yjv0WEg39KRYS0rBdTbu6Fc/or/ihAKk13W9sQ6VWd0=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "2f5a153c270b70cb0f8c11f46d96d6d3bc39f4e3",
"type": "github"
},
"original": {
"owner": "nixos",
"ref": "nixos-26.05",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs-unstable": {
"locked": {
"lastModified": 1785301185,
"narHash": "sha256-eoS3KQTO0aPWXZvIaRbRAzSSHW3l5wdMFXtT1ISfoKA=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "9bc02893134c733dd85de46ee4fb2fac696b5529",
"type": "github"
},
"original": {
"owner": "nixos",
"ref": "nixpkgs-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"nixvim": {
"inputs": {
"flake-parts": "flake-parts",
"nixpkgs": [
"nixpkgs"
],
"systems": "systems"
},
"locked": {
"lastModified": 1785364321,
"narHash": "sha256-BLuHl+nZKb+FDq3GAM6L+UBEiyVepXANA31fT1F56pw=",
"owner": "nix-community",
"repo": "nixvim",
"rev": "acd69cc15d57004e8cb4495034320263a3d362ea",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "nixvim",
"type": "github"
}
},
"nur": {
"inputs": {
"flake-parts": [
"stylix",
"flake-parts"
],
"nixpkgs": [
"stylix",
"nixpkgs"
]
},
"locked": {
"lastModified": 1783439237,
"narHash": "sha256-WUr8JF2v3n4Y30E5dxv4sAgNJXpVDBoCQNoQ/V4+n4o=",
"owner": "nix-community",
"repo": "NUR",
"rev": "b70bb66c7bcd162642f3a609bc16843c7059f503",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "NUR",
"type": "github"
}
},
"root": {
"inputs": {
"chaotic": "chaotic",
"disko": "disko",
"firefox-addons": "firefox-addons",
"gitea-axi": "gitea-axi",
"home-manager": "home-manager_3",
"nixos-hardware": "nixos-hardware",
"nixpkgs": "nixpkgs",
"nixpkgs-stable": "nixpkgs-stable",
"nixpkgs-unstable": "nixpkgs-unstable",
"nixvim": "nixvim",
"skills": "skills",
"sops-nix": "sops-nix",
"stylix": "stylix"
}
},
"skills": {
"inputs": {
"flake-utils": "flake-utils",
"gitea-axi": "gitea-axi_2",
"home-manager": "home-manager_5",
"nixpkgs": [
"nixpkgs"
]
},
"locked": {
"lastModified": 1787455371,
"narHash": "sha256-MJ0bX4/cksSbGl7v9o0l+Wy1xAEa3BgzG7Hs8EEGde0=",
"ref": "refs/heads/main",
"rev": "9a1d21da4d3e70165ff772967d639df244dcc2ea",
"revCount": 55,
"type": "git",
"url": "https://git.alexion.dev/alexion/skills"
},
"original": {
"type": "git",
"url": "https://git.alexion.dev/alexion/skills"
}
},
"sops-nix": {
"inputs": {
"nixpkgs": [
"nixpkgs"
]
},
"locked": {
"lastModified": 1783174389,
"narHash": "sha256-aCWC8ngycU7OdJrU2+Je3qf+1a2ykuBvpPhZT/9tXMc=",
"owner": "Mic92",
"repo": "sops-nix",
"rev": "f1406619a3884cd5c47992a70b8b35c9c0fcb4c9",
"type": "github"
},
"original": {
"owner": "Mic92",
"repo": "sops-nix",
"type": "github"
}
},
"stylix": {
"inputs": {
"base16": "base16",
"base16-fish": "base16-fish",
"base16-helix": "base16-helix",
"base16-vim": "base16-vim",
"firefox-gnome-theme": "firefox-gnome-theme",
"flake-parts": "flake-parts_2",
"gnome-shell": "gnome-shell",
"nixpkgs": [
"nixpkgs"
],
"nur": "nur",
"systems": "systems_3",
"tinted-kitty": "tinted-kitty",
"tinted-schemes": "tinted-schemes",
"tinted-tmux": "tinted-tmux",
"tinted-zed": "tinted-zed"
},
"locked": {
"lastModified": 1784676123,
"narHash": "sha256-ndyanKzw90yX2nUVFmTuYqXidUNymtMfgmIHyNdhht0=",
"owner": "danth",
"repo": "stylix",
"rev": "66714e5ce44269ecc58c20d9196da8dbe1b27a31",
"type": "github"
},
"original": {
"owner": "danth",
"repo": "stylix",
"type": "github"
}
},
"systems": {
"locked": {
"lastModified": 1774449309,
"narHash": "sha256-brhZ8DmuGtzkCYHJg4HEd602amKm89Y9ytsFZ5uWD1w=",
"owner": "nix-systems",
"repo": "default",
"rev": "c29398b59d2048c4ab79345812849c9bd15e9150",
"type": "github"
},
"original": {
"owner": "nix-systems",
"ref": "future-26.11",
"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"
}
},
"systems_3": {
"locked": {
"lastModified": 1681028828,
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
"owner": "nix-systems",
"repo": "default",
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
"type": "github"
},
"original": {
"owner": "nix-systems",
"repo": "default",
"type": "github"
}
},
"tinted-kitty": {
"flake": false,
"locked": {
"lastModified": 1735730497,
"narHash": "sha256-4KtB+FiUzIeK/4aHCKce3V9HwRvYaxX+F1edUrfgzb8=",
"owner": "tinted-theming",
"repo": "tinted-kitty",
"rev": "de6f888497f2c6b2279361bfc790f164bfd0f3fa",
"type": "github"
},
"original": {
"owner": "tinted-theming",
"repo": "tinted-kitty",
"type": "github"
}
},
"tinted-schemes": {
"flake": false,
"locked": {
"lastModified": 1781968807,
"narHash": "sha256-yYO3Vw2M0y3TAUqt+9+Mj0zwP3XDTF5/PXcPhhFQ1ZM=",
"owner": "tinted-theming",
"repo": "schemes",
"rev": "2ccef2f4b22e3cab5a9292811f7133a07eeba4a7",
"type": "github"
},
"original": {
"owner": "tinted-theming",
"repo": "schemes",
"type": "github"
}
},
"tinted-tmux": {
"flake": false,
"locked": {
"lastModified": 1782012462,
"narHash": "sha256-2iDiD8DQLwS1lGuD9TS8WlvNyDoTs6krWntJbtB2zGo=",
"owner": "tinted-theming",
"repo": "tinted-tmux",
"rev": "8c4e750f738a742bd73377ee41d3dadedebedef4",
"type": "github"
},
"original": {
"owner": "tinted-theming",
"repo": "tinted-tmux",
"type": "github"
}
},
"tinted-zed": {
"flake": false,
"locked": {
"lastModified": 1782009766,
"narHash": "sha256-VUhBjpGvWqHI7rWeyMYb/u87YJSXHKfVV6S+IelWeO8=",
"owner": "tinted-theming",
"repo": "base16-zed",
"rev": "5e8350bcd354e3241ab681a265fa6ef060c40be1",
"type": "github"
},
"original": {
"owner": "tinted-theming",
"repo": "base16-zed",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1785318670,
@@ -16,9 +722,20 @@
"type": "github"
}
},
"root": {
"inputs": {
"nixpkgs": "nixpkgs"
"nixpkgs-chaotic": {
"locked": {
"lastModified": 1785090369,
"narHash": "sha256-m0pDuRJG7EDo9ri+4Ksu83VsI+PlxNC9lNBfydejce4=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "624af665418d3c65d544145b4d34ad696439570e",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixos-unstable",
"repo": "nixpkgs",
"type": "github"
}
}
},

View File

@@ -4,23 +4,82 @@
inputs = {
# Base nixpkgs channel.
nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
# Fresher packages, reachable per-package as `unstable.<name>`.
nixpkgs-unstable.url = "github:nixos/nixpkgs/nixpkgs-unstable";
# Latest stable release, reachable per-package as `stable.<name>`.
nixpkgs-stable.url = "github:nixos/nixpkgs/nixos-26.05";
home-manager = {
url = "github:nix-community/home-manager";
inputs.nixpkgs.follows = "nixpkgs";
};
outputs = { nixpkgs, ... }:
let
system = "x86_64-linux";
pkgs = import nixpkgs {
inherit system;
config.allowUnfree = true;
# Signed AMO extensions, pinned by version and hash.
firefox-addons = {
url = "gitlab:rycee/nur-expressions?dir=pkgs/firefox-addons";
inputs.nixpkgs.follows = "nixpkgs";
};
in
# Follows our nixpkgs so its plugins build against the same package set.
nixvim = {
url = "github:nix-community/nixvim";
inputs.nixpkgs.follows = "nixpkgs";
};
# Declarative disk partitioning.
# Each host declares its own layout.
disko = {
url = "github:nix-community/disko";
inputs.nixpkgs.follows = "nixpkgs";
};
# Upstream per-machine hardware profiles.
# Each host imports its own.
nixos-hardware = {
url = "github:NixOS/nixos-hardware";
inputs.nixpkgs.follows = "nixpkgs";
};
# Decrypts committed secrets at activation, from an age identity on the host.
sops-nix = {
url = "github:Mic92/sops-nix";
inputs.nixpkgs.follows = "nixpkgs";
};
# Themes the graphical layer from one base16 scheme.
# Follows our nixpkgs so it themes the same package set the host builds.
stylix = {
url = "github:danth/stylix";
inputs.nixpkgs.follows = "nixpkgs";
};
# Agent-ergonomic CLI for Gitea, with a home-manager module for the agent context.
gitea-axi = {
url = "git+https://git.alexion.dev/alexion/gitea-axi";
inputs.nixpkgs.follows = "nixpkgs";
};
# Personal agent skills, packaged as per-skill derivations with a home-manager module.
skills = {
url = "git+https://git.alexion.dev/alexion/skills";
inputs.nixpkgs.follows = "nixpkgs";
};
# CachyOS kernel and binary cache.
# This must not follow this flake's nixpkgs because Chaotic builds against its own pinned package set.
# Its cache serves the kernel only when the overlay stays on the cache-friendly path.
chaotic.url = "github:chaotic-cx/nyx/nyxpkgs-unstable";
};
outputs =
{ self, nixpkgs, ... }@inputs:
{
devShells.${system} = {
test = pkgs.mkShell {
shellHook = ''
echo "Hello world!"
'';
};
};
nixosConfigurations = (import ./src/dotfiles {
inherit inputs self;
lib = nixpkgs.lib;
root = ./configs/nixos;
}).nixosConfigurations;
};
}

54
src/dotfiles/default.nix Normal file
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@@ -0,0 +1,54 @@
{
lib,
inputs,
self,
root,
}:
let
util = import ./util.nix { inherit lib; };
registry = import ./registry.nix {
inherit lib;
hosts = self.nixosConfigurations;
root = root + "/registry";
};
modules = import ./modules.nix {
inherit util;
root = root + "/modules";
};
guestModules = import ./guests.nix {
inherit
inputs
lib
registry
specialArgs
util
;
repositoryModules = modules;
root = root + "/guests";
};
specialArgs = {
inherit
inputs
self
util
;
registry = registry.collected;
};
in
{
nixosConfigurations = import ./hosts.nix {
inherit
inputs
lib
specialArgs
guestModules
;
registryModule = registry.module;
repositoryModules = modules;
root = root + "/hosts";
};
}

279
src/dotfiles/guests.nix Normal file
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@@ -0,0 +1,279 @@
{
inputs,
lib,
root,
specialArgs,
repositoryModules,
registry,
util,
}:
let
mkGuest =
name:
{ config, lib, ... }:
let
cfg = config.guests.${name};
directoryMounts = lib.filterAttrs (_: mount: mount.directory != null) cfg.mounts;
directoryScript = lib.concatStringsSep "\n" (
lib.mapAttrsToList (
_: mount:
''
${config.system.path}/bin/install -d \
${lib.optionalString (mount.owner != null) "-o ${lib.escapeShellArg (toString mount.owner)}"} \
${lib.optionalString (mount.group != null) "-g ${lib.escapeShellArg mount.group}"} \
${lib.optionalString (mount.mode != null) "-m ${lib.escapeShellArg mount.mode}"} \
${lib.escapeShellArg mount.directory}
''
) directoryMounts
);
in
{
options.guests.${name} = {
enable = lib.mkEnableOption "the ${name} guest, run in its own nested container";
vlan = lib.mkOption {
type = lib.types.ints.between 1 4094;
example = 10;
description = ''
The tagged VLAN this guest lives on. The guest attaches to its host's
`br-vlan<id>` bridge for that VLAN. The id must be one of the host's
`modules.network.vlans.ids`.
'';
};
mac = lib.mkOption {
type = lib.types.str;
default = util.deriveMac "${config.networking.hostName}.${name}";
defaultText = lib.literalMD "a stable address derived from the host name and guest option path";
example = "bc:24:11:00:00:01";
description = ''
The guest's MAC address on its VLAN, pinned inside the guest by its
own networkd. Set it to reuse an existing address so a router's DHCP
reservation keeps working. Left unset, a stable address is derived
from the host name and guest option path in the locally-administered range.
'';
};
address = lib.mkOption {
type = lib.types.nullOr lib.types.str;
default = null;
example = "10.23.20.126";
description = ''
Expected IP address assigned outside NixOS for this guest.
Left null, this guest contributes no address to the address registry.
'';
};
reverseProxy = {
enable = lib.mkEnableOption "a reverse-proxy route for this guest";
route = lib.mkOption {
type = registry.types.route;
description = "Route registry entry published for this guest.";
};
};
mounts = lib.mkOption {
type = lib.types.attrsOf (
lib.types.submodule {
options = {
directory = lib.mkOption {
type = lib.types.nullOr lib.types.str;
default = null;
example = "/srv/media";
description = "Host directory bind-mounted into the guest.";
};
file = lib.mkOption {
type = lib.types.nullOr lib.types.str;
default = null;
example = "/run/secrets/service-password";
description = "Host file bind-mounted into the guest.";
};
readOnly = lib.mkOption {
type = lib.types.bool;
default = false;
description = "Mount the host path read-only inside the guest.";
};
owner = lib.mkOption {
type = lib.types.nullOr (
lib.types.oneOf [
lib.types.str
lib.types.ints.positive
]
);
default = null;
description = "Owner assigned to the host directory before the guest starts.";
};
group = lib.mkOption {
type = lib.types.nullOr lib.types.str;
default = null;
description = "Group assigned to the host directory before the guest starts.";
};
mode = lib.mkOption {
type = lib.types.nullOr lib.types.str;
default = null;
example = "0770";
description = "Mode assigned to the host directory before the guest starts.";
};
};
}
);
default = { };
example = lib.literalExpression ''
{
"/data/media" = { directory = "/srv/media"; };
"/data/config" = { directory = "/srv/config/jellyfin"; };
}
'';
description = ''
Host paths bind-mounted into the guest, keyed by the path they appear
at inside the guest, so a guest sees exactly the data it should at any
granularity — a single folder, a whole pool, or a decrypted secret.
Mounts are read-write unless `readOnly` is set.
'';
};
interior = lib.mkOption {
type = lib.types.deferredModule;
default = { };
description = "NixOS module imported into the guest interior.";
};
limits = {
memory = lib.mkOption {
type = lib.types.nullOr lib.types.str;
default = null;
example = "2G";
description = ''
Cap on the guest's memory, applied to its unit as `MemoryMax`.
Accepts systemd size suffixes such as `512M` or `2G`. Left null,
the guest's memory is uncapped.
'';
};
cpu = lib.mkOption {
type = lib.types.nullOr lib.types.str;
default = null;
example = "150%";
description = ''
Cap on the guest's CPU, applied to its unit as `CPUQuota`, where
`100%` is one full core. Left null, the guest's CPU is uncapped.
'';
};
tasksMax = lib.mkOption {
type = lib.types.nullOr lib.types.ints.positive;
default = null;
example = 512;
description = ''
Cap on the number of processes and threads the guest may spawn,
applied to its unit as `TasksMax`. Left null, the task count is
uncapped.
'';
};
};
};
config = lib.mkIf cfg.enable {
assertions =
let
hasDirectorySettings = mount: mount.owner != null || mount.group != null || mount.mode != null;
hasCompleteDirectorySettings = mount: mount.owner != null && mount.group != null && mount.mode != null;
hasOneSource = mount: (mount.directory != null) != (mount.file != null);
mountsWithInvalidSource = lib.attrNames (lib.filterAttrs (_: mount: !hasOneSource mount) cfg.mounts);
fileMountsWithHostSettings = lib.attrNames (
lib.filterAttrs (_: mount: mount.file != null && hasDirectorySettings mount) cfg.mounts
);
directoryMountsWithPartialHostSettings = lib.attrNames (
lib.filterAttrs (_: mount: mount.directory != null && hasDirectorySettings mount && !hasCompleteDirectorySettings mount) cfg.mounts
);
in
[
{
assertion = mountsWithInvalidSource == [ ];
message = ''
guests.${name} mounts ${lib.concatStringsSep ", " mountsWithInvalidSource} must set exactly one of `directory` or `file`.
'';
}
{
assertion = fileMountsWithHostSettings == [ ];
message = ''
guests.${name} file mounts ${lib.concatStringsSep ", " fileMountsWithHostSettings} must not set `owner`, `group`, or `mode`.
'';
}
{
assertion = directoryMountsWithPartialHostSettings == [ ];
message = ''
guests.${name} directory mounts ${lib.concatStringsSep ", " directoryMountsWithPartialHostSettings} must set `owner`, `group`, and `mode` together.
'';
}
{
assertion = lib.elem cfg.vlan config.modules.network.vlans.ids;
message = ''
guests.${name}.vlan = ${toString cfg.vlan} is not among its host's modules.network.vlans.ids (${lib.concatMapStringsSep ", " toString config.modules.network.vlans.ids}). Declare the VLAN on the host or correct the guest's placement.
'';
}
];
registry.address.${config.networking.hostName}.${name} =
lib.mkIf (cfg.address != null) cfg.address;
registry.route.${config.networking.hostName}.${name} =
lib.mkIf cfg.reverseProxy.enable cfg.reverseProxy.route;
systemd.services."container@${name}" =
let
bridgeDevice = "sys-subsystem-net-devices-${lib.replaceStrings [ "-" ] [ "\\x2d" ] (util.bridgeName cfg.vlan)}.device";
in
{
after = [ bridgeDevice ];
wants = [ bridgeDevice ];
serviceConfig = lib.filterAttrs (_: v: v != null) {
MemoryMax = cfg.limits.memory;
CPUQuota = cfg.limits.cpu;
TasksMax = cfg.limits.tasksMax;
};
preStart = lib.mkIf (directoryMounts != { }) directoryScript;
};
containers.${name} = {
autoStart = true;
privateNetwork = lib.mkDefault true;
hostBridge = util.bridgeName cfg.vlan;
privateUsers = lib.mkDefault "no";
bindMounts = lib.mapAttrs (_: mount: {
hostPath = if mount.directory != null then mount.directory else mount.file;
isReadOnly = mount.readOnly;
}) cfg.mounts;
inherit specialArgs;
config = {
imports = [
inputs.sops-nix.nixosModules.sops
inputs.stylix.nixosModules.stylix
repositoryModules
registry.module
cfg.interior
{
modules.guest.enable = true;
networking.useNetworkd = true;
networking.useHostResolvConf = false;
systemd.network.networks."20-eth0" = {
matchConfig.Name = "eth0";
linkConfig.MACAddress = cfg.mac;
networkConfig.DHCP = "yes";
};
}
];
};
};
};
};
in
let
files = util.collectNixFiles root;
guestFiles = lib.filterAttrs (file: type: type == "regular" && lib.hasSuffix ".nix" file) (builtins.readDir root);
names = map (file: lib.removeSuffix ".nix" file) (lib.attrNames guestFiles);
in
{
imports = files ++ map mkGuest names;
}

45
src/dotfiles/hosts.nix Normal file
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@@ -0,0 +1,45 @@
{
inputs,
lib,
root,
specialArgs,
repositoryModules,
guestModules,
registryModule,
}:
let
mkHost =
{
root,
name,
}:
lib.nixosSystem {
inherit specialArgs;
modules = [
inputs.chaotic.nixosModules.default
inputs.disko.nixosModules.disko
inputs.sops-nix.nixosModules.sops
inputs.stylix.nixosModules.stylix
repositoryModules
guestModules
# TODO: refactor
registryModule (root + "/${name}")
{
networking.hostName = name;
modules.host.enable = true;
}
];
};
in
let
directories = lib.filterAttrs (_name: type: type == "directory") (builtins.readDir root);
names = lib.attrNames directories;
in
lib.genAttrs names (
name:
mkHost { inherit root name; }
)

7
src/dotfiles/modules.nix Normal file
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@@ -0,0 +1,7 @@
{
root,
util,
}:
{
imports = util.collectNixFiles root;
}

197
src/dotfiles/registry.nix Normal file
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@@ -0,0 +1,197 @@
{ hosts, lib, root }:
let
checkType = lib.types.submodule {
options = {
assertion = lib.mkOption {
type = lib.types.functionTo lib.types.bool;
description = ''
Predicate run against this registry's flattened collected entries.
'';
};
message = lib.mkOption {
type = lib.types.str;
description = ''
Error message shown when this registry validation check fails.
'';
};
};
};
predicates = {
uniqueValue = value: entries: builtins.length (lib.unique (map value entries)) == builtins.length entries;
};
registryLib = lib // {
registry = (lib.registry or { }) // {
inherit predicates;
};
};
registryDefinitionModule = {
options = {
type = lib.mkOption {
type = lib.types.raw;
description = ''
NixOS option type for one registry entry.
'';
};
replicate = lib.mkOption {
type = lib.types.bool;
default = false;
description = ''
Whether collected entries are merged and published under every host key.
'';
};
checks = lib.mkOption {
type = lib.types.listOf checkType;
default = [ ];
description = ''
Validation checks for this registry's flattened collected entries.
'';
};
};
};
registryName = fileName: lib.removeSuffix ".nix" fileName;
registryOption = registry: lib.mkOption {
type = lib.types.attrsOf (lib.types.attrsOf registry.type);
default = { };
description = ''
Lazily collected fleet-visible registry entries, nested by host and entry name.
'';
};
mkRegistry = path:
let
evaluated = lib.evalModules {
specialArgs.lib = registryLib;
modules = [
registryDefinitionModule
path
];
};
in
{
inherit (evaluated.config) type replicate checks;
};
definitions = lib.mapAttrs' (
name: type:
let
path = root + "/${name}";
in
lib.nameValuePair (registryName name) (mkRegistry path)
) (lib.filterAttrs (name: type: type == "regular" && lib.hasSuffix ".nix" name) (builtins.readDir root));
flattenRegistryEntries = registryName: data:
lib.concatLists (
lib.mapAttrsToList (
host: entries:
lib.mapAttrsToList (entry: value: {
path = "registry.${registryName}.${host}.${entry}";
inherit host entry value;
}) entries
) data
);
rawDeclarations = registryName: hosts:
lib.mapAttrs (_hostName: host: host.config.registry.${registryName} or { }) hosts;
replicatedEntries = registryName: raw:
let
entries = lib.concatLists (
lib.concatLists (
lib.mapAttrsToList (
_evalHost: hostDeclarations:
lib.mapAttrsToList (
hostName: declarations:
lib.mapAttrsToList (entryName: value: {
path = "registry.${registryName}.${hostName}.${entryName}";
inherit entryName value;
}) declarations
) hostDeclarations
) raw
)
);
in
lib.foldl' (
acc: entry:
if lib.hasAttr entry.entryName acc then
if acc.${entry.entryName}.value == entry.value then
acc
else
throw "conflicting replicated registry entry ${entry.path} does not match ${acc.${entry.entryName}.path}"
else
acc // {
${entry.entryName} = entry;
}
) { } entries;
replicatedData = registryName: hosts: raw:
let
entries = lib.mapAttrs (_entryName: entry: entry.value) (replicatedEntries registryName raw);
in
lib.mapAttrs (_hostName: _host: entries) hosts;
validationAssertions = data:
lib.concatLists (
lib.mapAttrsToList (
registryName: registry:
let
entries = flattenRegistryEntries registryName data.${registryName};
in
map (check: {
assertion = check.assertion entries;
inherit (check) message;
}) registry.checks
) definitions
);
assertValid = data:
let
assertions = validationAssertions data;
failures = lib.filter (assertion: !assertion.assertion) assertions;
in
assert lib.assertMsg (lib.all (assertion: assertion.assertion) assertions) (
lib.concatMapStringsSep "\n" (assertion: assertion.message) failures
);
data;
join = registry: host: entry:
lib.filterAttrs (_name: value: value != null) (
lib.mapAttrs (registryName: _registry: (registry.${registryName}.${host} or { }).${entry} or null) definitions
);
collectData =
{ hosts }:
let
raw = lib.mapAttrs (registryName: _registry: rawDeclarations registryName hosts) definitions;
data = lib.mapAttrs (
registryName: registry:
if registry.replicate or false then
replicatedData registryName hosts raw.${registryName}
else
lib.mapAttrs (hostName: host: host.config.registry.${registryName}.${hostName} or { }) hosts
) definitions;
in
assertValid data;
withOperations = registry:
registry
// {
join = host: entry: join registry host entry;
};
in
{
types = lib.mapAttrs (_name: definition: definition.type) definitions;
module = {
options.registry = lib.mapAttrs (_name: registry: registryOption registry) definitions;
};
collected = withOperations (collectData { inherit hosts; });
}

32
src/dotfiles/util.nix Normal file
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{ lib }:
let
collectNixFiles =
dir:
lib.flatten (
lib.mapAttrsToList (
name: type:
let
path = dir + "/${name}";
in
if type == "directory" then
collectNixFiles path
else if type == "regular" && lib.hasSuffix ".nix" name then
[ path ]
else
[ ]
) (builtins.readDir dir)
);
in
{
inherit collectNixFiles;
bridgeName = id: "br-vlan${toString id}";
deriveMac =
name:
let
hash = builtins.hashString "sha256" name;
octet = i: builtins.substring (i * 2) 2 hash;
in
lib.concatStringsSep ":" ([ "02" ] ++ map octet [ 0 1 2 3 4 ]);
}