notnite.com
1{
2 description = "atproto github";
3
4 inputs = {
5 nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
6 indigo = {
7 url = "github:oppiliappan/indigo";
8 flake = false;
9 };
10 htmx-src = {
11 url = "https://unpkg.com/htmx.org@2.0.4/dist/htmx.min.js";
12 flake = false;
13 };
14 lucide-src = {
15 url = "https://github.com/lucide-icons/lucide/releases/download/0.483.0/lucide-icons-0.483.0.zip";
16 flake = false;
17 };
18 ia-fonts-src = {
19 url = "github:iaolo/iA-Fonts";
20 flake = false;
21 };
22 gitignore = {
23 url = "github:hercules-ci/gitignore.nix";
24 inputs.nixpkgs.follows = "nixpkgs";
25 };
26 };
27
28 outputs = {
29 self,
30 nixpkgs,
31 indigo,
32 htmx-src,
33 lucide-src,
34 gitignore,
35 ia-fonts-src,
36 }: let
37 supportedSystems = ["x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin"];
38 forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
39 nixpkgsFor = forAllSystems (system:
40 import nixpkgs {
41 inherit system;
42 overlays = [self.overlays.default];
43 });
44 inherit (gitignore.lib) gitignoreSource;
45 in {
46 overlays.default = final: prev: let
47 goModHash = "sha256-2vljseczrvsl2T0P9k69ro72yU59l5fp9r/sszmXYY4=";
48 buildCmdPackage = name:
49 final.buildGoModule {
50 pname = name;
51 version = "0.1.0";
52 src = gitignoreSource ./.;
53 subPackages = ["cmd/${name}"];
54 vendorHash = goModHash;
55 CGO_ENABLED = 0;
56 };
57 in {
58 indigo-lexgen = final.buildGoModule {
59 pname = "indigo-lexgen";
60 version = "0.1.0";
61 src = indigo;
62 subPackages = ["cmd/lexgen"];
63 vendorHash = "sha256-pGc29fgJFq8LP7n/pY1cv6ExZl88PAeFqIbFEhB3xXs=";
64 doCheck = false;
65 };
66
67 appview = with final;
68 final.pkgsStatic.buildGoModule {
69 pname = "appview";
70 version = "0.1.0";
71 src = gitignoreSource ./.;
72 postUnpack = ''
73 pushd source
74 mkdir -p appview/pages/static/{fonts,icons}
75 cp -f ${htmx-src} appview/pages/static/htmx.min.js
76 cp -rf ${lucide-src}/*.svg appview/pages/static/icons/
77 cp -f ${ia-fonts-src}/"iA Writer Quattro"/Static/*.ttf appview/pages/static/fonts/
78 cp -f ${ia-fonts-src}/"iA Writer Mono"/Static/*.ttf appview/pages/static/fonts/
79 ${pkgs.tailwindcss}/bin/tailwindcss -i input.css -o appview/pages/static/tw.css
80 popd
81 '';
82 doCheck = false;
83 subPackages = ["cmd/appview"];
84 vendorHash = goModHash;
85 CGO_ENABLED = 1;
86 stdenv = pkgsStatic.stdenv;
87 };
88
89 knotserver = with final;
90 final.pkgsStatic.buildGoModule {
91 pname = "knotserver";
92 version = "0.1.0";
93 src = gitignoreSource ./.;
94 nativeBuildInputs = [final.makeWrapper];
95 subPackages = ["cmd/knotserver"];
96 vendorHash = goModHash;
97 installPhase = ''
98 runHook preInstall
99
100 mkdir -p $out/bin
101 cp $GOPATH/bin/knotserver $out/bin/knotserver
102
103 wrapProgram $out/bin/knotserver \
104 --prefix PATH : ${pkgs.git}/bin
105
106 runHook postInstall
107 '';
108 CGO_ENABLED = 1;
109 };
110 knotserver-unwrapped = final.pkgsStatic.buildGoModule {
111 pname = "knotserver";
112 version = "0.1.0";
113 src = gitignoreSource ./.;
114 subPackages = ["cmd/knotserver"];
115 vendorHash = goModHash;
116 CGO_ENABLED = 1;
117 };
118 repoguard = buildCmdPackage "repoguard";
119 keyfetch = buildCmdPackage "keyfetch";
120 };
121 packages = forAllSystems (system: {
122 inherit
123 (nixpkgsFor."${system}")
124 indigo-lexgen
125 appview
126 knotserver
127 knotserver-unwrapped
128 repoguard
129 keyfetch
130 ;
131 });
132 defaultPackage = forAllSystems (system: nixpkgsFor.${system}.appview);
133 formatter = forAllSystems (system: nixpkgsFor."${system}".alejandra);
134 devShells = forAllSystems (system: let
135 pkgs = nixpkgsFor.${system};
136 staticShell = pkgs.mkShell.override {
137 stdenv = pkgs.pkgsStatic.stdenv;
138 };
139 in {
140 default = staticShell {
141 nativeBuildInputs = [
142 pkgs.go
143 pkgs.air
144 pkgs.gopls
145 pkgs.httpie
146 pkgs.indigo-lexgen
147 pkgs.litecli
148 pkgs.websocat
149 pkgs.tailwindcss
150 pkgs.nixos-shell
151 ];
152 shellHook = ''
153 mkdir -p appview/pages/static/{fonts,icons}
154 cp -f ${htmx-src} appview/pages/static/htmx.min.js
155 cp -rf ${lucide-src}/*.svg appview/pages/static/icons/
156 cp -f ${ia-fonts-src}/"iA Writer Quattro"/Static/*.ttf appview/pages/static/fonts/
157 cp -f ${ia-fonts-src}/"iA Writer Mono"/Static/*.ttf appview/pages/static/fonts/
158 '';
159 };
160 });
161 apps = forAllSystems (system: let
162 pkgs = nixpkgsFor."${system}";
163 air-watcher = name:
164 pkgs.writeShellScriptBin "run"
165 ''
166 ${pkgs.air}/bin/air -c /dev/null \
167 -build.cmd "${pkgs.tailwindcss}/bin/tailwindcss -i input.css -o ./appview/pages/static/tw.css && ${pkgs.go}/bin/go build -o ./out/${name}.out ./cmd/${name}/main.go" \
168 -build.bin "./out/${name}.out" \
169 -build.include_ext "go,html,css"
170 '';
171 in {
172 watch-appview = {
173 type = "app";
174 program = ''${air-watcher "appview"}/bin/run'';
175 };
176 watch-knotserver = {
177 type = "app";
178 program = ''${air-watcher "knotserver"}/bin/run'';
179 };
180 });
181
182 nixosModules.appview = {
183 config,
184 pkgs,
185 lib,
186 ...
187 }:
188 with lib; {
189 options = {
190 services.tangled-appview = {
191 enable = mkOption {
192 type = types.bool;
193 default = false;
194 description = "Enable tangled appview";
195 };
196 port = mkOption {
197 type = types.int;
198 default = 3000;
199 description = "Port to run the appview on";
200 };
201 cookie_secret = mkOption {
202 type = types.str;
203 default = "00000000000000000000000000000000";
204 description = "Cookie secret";
205 };
206 };
207 };
208
209 config = mkIf config.services.tangled-appview.enable {
210 systemd.services.tangled-appview = {
211 description = "tangled appview service";
212 wantedBy = ["multi-user.target"];
213
214 serviceConfig = {
215 ListenStream = "0.0.0.0:${toString config.services.tangled-appview.port}";
216 ExecStart = "${self.packages.${pkgs.system}.appview}/bin/appview";
217 Restart = "always";
218 };
219
220 environment = {
221 TANGLED_DB_PATH = "appview.db";
222 TANGLED_COOKIE_SECRET = config.services.tangled-appview.cookie_secret;
223 };
224 };
225 };
226 };
227
228 nixosModules.knotserver = {
229 config,
230 pkgs,
231 lib,
232 ...
233 }:
234 with lib; {
235 options = {
236 services.tangled-knotserver = {
237 enable = mkOption {
238 type = types.bool;
239 default = false;
240 description = "Enable a tangled knotserver";
241 };
242
243 appviewEndpoint = mkOption {
244 type = types.str;
245 default = "https://tangled.sh";
246 description = "Appview endpoint";
247 };
248
249 gitUser = mkOption {
250 type = types.str;
251 default = "git";
252 description = "User that hosts git repos and performs git operations";
253 };
254
255 repo = {
256 scanPath = mkOption {
257 type = types.path;
258 default = "/home/git";
259 description = "Path where repositories are scanned from";
260 };
261
262 mainBranch = mkOption {
263 type = types.str;
264 default = "main";
265 description = "Default branch name for repositories";
266 };
267 };
268
269 server = {
270 listenAddr = mkOption {
271 type = types.str;
272 default = "0.0.0.0:5555";
273 description = "Address to listen on";
274 };
275
276 internalListenAddr = mkOption {
277 type = types.str;
278 default = "127.0.0.1:5444";
279 description = "Internal address for inter-service communication";
280 };
281
282 secretFile = mkOption {
283 type = lib.types.path;
284 example = "KNOT_SERVER_SECRET=<hash>";
285 description = "File containing secret key provided by appview (required)";
286 };
287
288 dbPath = mkOption {
289 type = types.path;
290 default = "knotserver.db";
291 description = "Path to the database file";
292 };
293
294 hostname = mkOption {
295 type = types.str;
296 example = "knot.tangled.sh";
297 description = "Hostname for the server (required)";
298 };
299
300 dev = mkOption {
301 type = types.bool;
302 default = false;
303 description = "Enable development mode (disables signature verification)";
304 };
305 };
306 };
307 };
308
309 config = mkIf config.services.tangled-knotserver.enable {
310 environment.systemPackages = with pkgs; [git];
311
312 system.activationScripts.gitConfig = ''
313 mkdir -p /home/git/.config/git
314 cat > /home/git/.config/git/config << EOF
315 [user]
316 name = Git User
317 email = git@example.com
318 EOF
319 chown -R git:git /home/git/.config
320 '';
321
322 users.users.git = {
323 isNormalUser = true;
324 home = "/home/git";
325 createHome = true;
326 group = "git";
327 };
328
329 users.groups.git = {};
330
331 services.openssh = {
332 enable = true;
333 extraConfig = ''
334 Match User git
335 AuthorizedKeysCommand /etc/ssh/keyfetch_wrapper
336 AuthorizedKeysCommandUser nobody
337 '';
338 };
339
340 environment.etc."ssh/keyfetch_wrapper" = {
341 mode = "0555";
342 text = ''
343 #!${pkgs.stdenv.shell}
344 ${self.packages.${pkgs.system}.keyfetch}/bin/keyfetch \
345 -repoguard-path ${self.packages.${pkgs.system}.repoguard}/bin/repoguard \
346 -log-path /tmp/repoguard.log
347 '';
348 };
349
350 systemd.services.knotserver = {
351 description = "knotserver service";
352 after = ["network.target" "sshd.service"];
353 wantedBy = ["multi-user.target"];
354 serviceConfig = {
355 User = "git";
356 WorkingDirectory = "/home/git";
357 Environment = [
358 "KNOT_REPO_SCAN_PATH=${config.services.tangled-knotserver.repo.scanPath}"
359 "APPVIEW_ENDPOINT=${config.services.tangled-knotserver.appviewEndpoint}"
360 "KNOT_SERVER_INTERNAL_LISTEN_ADDR=${config.services.tangled-knotserver.server.internalListenAddr}"
361 "KNOT_SERVER_LISTEN_ADDR=${config.services.tangled-knotserver.server.listenAddr}"
362 "KNOT_SERVER_HOSTNAME=${config.services.tangled-knotserver.server.hostname}"
363 ];
364 EnvironmentFile = config.services.tangled-knotserver.server.secretFile;
365 ExecStart = "${self.packages.${pkgs.system}.knotserver}/bin/knotserver";
366 Restart = "always";
367 };
368 };
369
370 networking.firewall.allowedTCPPorts = [22];
371 };
372 };
373
374 nixosConfigurations.knotVM = nixpkgs.lib.nixosSystem {
375 system = "x86_64-linux";
376 modules = [
377 self.nixosModules.knotserver
378 ({
379 config,
380 pkgs,
381 ...
382 }: {
383 virtualisation.memorySize = 2048;
384 virtualisation.cores = 2;
385 services.getty.autologinUser = "root";
386 environment.systemPackages = with pkgs; [curl vim git];
387 systemd.tmpfiles.rules = [
388 "w /var/lib/knotserver/secret 0660 git git - KNOT_SERVER_SECRET=6995e040e80e2d593b5e5e9ca611a70140b9ef8044add0a28b48b1ee34aa3e85"
389 ];
390 services.tangled-knotserver = {
391 enable = true;
392 server = {
393 secretFile = "/var/lib/knotserver/secret";
394 hostname = "localhost:6000";
395 listenAddr = "0.0.0.0:6000";
396 };
397 };
398 })
399 ];
400 };
401 };
402}