about summary refs log tree commit diff
path: root/flake.nix
blob: a24981e0467f7bed14bb534808c48d2e36497e57 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
{
  inputs = {
    flake-utils.url = "github:numtide/flake-utils";
    rust = {
      type = "github";
      owner = "oxalica";
      repo = "rust-overlay";
      ref = "master";
      inputs.flake-utils.follows = "flake-utils";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    naersk = {
      type = "github";
      owner = "nmattia";
      repo = "naersk";
      ref = "master";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };
  outputs = { self, nixpkgs, rust, flake-utils, naersk }: let
    supportedSystems = ["aarch64-linux" "x86_64-linux"];
    forAllSystems = f: flake-utils.lib.eachSystem supportedSystems f;
  in {
    nixosModule = { config, pkgs, lib, ... }: with lib; let
      cfg = config.services.kittybox;
    in {
      options = {
        services.kittybox = {
          enable = mkOption {
            type = types.bool;
            default = false;
            description = ''
              Whether to enable Kittybox, the IndieWeb blogging solution.
            '';
          };
          package = mkOption {
            type = types.package;
            default = self.packages.${config.nixpkgs.localSystem.system}.kittybox-micropub;
            defaultText = "<kittybox_micropub package from the official flake>";
            description = "Which Kittybox derivation to use.";
          };

          bind = mkOption {
            type = types.nullOr types.str;
            default = "127.0.0.1";
            description = "The host for Kittybox to bind to.";
            example = "192.168.1.100";
          };
          port = mkOption {
            type = types.int;
            default = 8080;
            description = "The port for Kittybox to listen at.";
            example = 16420;
          };
          logLevel = mkOption {
            type = types.str;
            default = "warn";
            example = "info";
            description = "Specify the server verbosity level. Uses RUST_LOG environment variable internally.";
          };
          redisUri = mkOption {
            type = types.nullOr types.str;
            default = null;
            example = "redis://192.168.1.200:6379/";
            description = "Set the Redis instance used as backing storage. If null, Redis will be configured on localhost. Use services.redis to change parameters.";
          };
          tokenEndpoint = mkOption {
            type = types.str;
            example = "https://tokens.indieauth.com/token";
            description = "Token endpoint to use for authenticating Micropub requests. Use the example if you are unsure.";
          };
          authorizationEndpoint = mkOption {
            type = types.str;
            example = "https://indieauth.com/auth";
            description = "Authorization endpoint to use to authenticate the user. You can use the default if you are unsure.";
          };
        };
      };
      config = lib.mkIf cfg.enable {
        systemd.services.kittybox = {
          description = "An IndieWeb-enabled blog engine";

          wantedBy = [ "multi-user.target" ];
          after = [ "network.target" ];

          restartTriggers = [
            cfg.package
            cfg.redisUri cfg.tokenEndpoint
            cfg.authorizationEndpoint
            cfg.bind cfg.port
          ];

          environment = {
            SERVE_AT = "${cfg.bind}:${builtins.toString cfg.port}";
            AUTHORIZATION_ENDPOINT = cfg.authorizationEndpoint;
            TOKEN_ENDPOINT = cfg.tokenEndpoint;
            REDIS_URI = if (cfg.redisUri == null) then "redis://127.0.0.1:6379/" else cfg.redisUri;
          };

          serviceConfig = {
            ExecStart = "${cfg.package}/bin/kittybox_micropub";
            DynamicUser = true;
          };
        };
        services.redis = lib.mkIf (cfg.redisUri == null) {
          enable = true;
        };
      };
    };
  } // forAllSystems (system: let
    pkgs = import nixpkgs {
      localSystem.system = system;
      overlays = [ rust.overlay ];
    };
    rust-bin = pkgs.rust-bin.stable.latest;
    packages = {
      kittybox-micropub = { stdenv, lib, redis, naersk-lib }:
      naersk-lib.buildPackage {
        pname = "kittybox-micropub";
        version = "0.1.0";

        src = ./.;

        checkInputs = [ redis ];
        doCheck = stdenv.hostPlatform == stdenv.targetPlatform;

        meta = with lib.meta; {
          maintainers = with maintainers; [ vika_nezrimaya ];
          platforms = supportedSystems;
          mainProgram = "kittybox_micropub";
        };
      };
    };
  in {
    packages = let
      naersk-lib = naersk.lib.${system}.override {
        rustc = pkgs.rust-bin.nightly.latest.minimal;
        cargo = pkgs.rust-bin.nightly.latest.minimal;
      };
    in {
      kittybox-micropub = pkgs.callPackage packages.kittybox-micropub { inherit naersk-lib; };
    };
    defaultPackage = self.packages.${system}.kittybox-micropub;

    checks = {
      nixos-test = pkgs.nixosTest ({ lib }: {
        name = "nixos-kittybox";

        nodes = {
          kittybox = { config, pkgs, lib, ... }: {
            imports = [ self.nixosModule ];

            services.kittybox = {
              enable = true;
              # It never actually contacts those endpoints anyway unless we use Micropub so it's fine!
              # TODO: Once we have self-hosted software for those endpoints,
              #       make an e2e test for common workflows (e.g. making a post)
              tokenEndpoint = "https://example.com";
              authorizationEndpoint = "https://example.com";
            };

            environment.systemPackages = with pkgs; [
              curl
            ];
          };
        };

        testScript = ''
          kittybox.start()
          kittybox.wait_for_unit("default.target")
          kittybox.succeed("curl --silent http://localhost:8080/micropub")
        '';
      });
    };

    devShell = pkgs.mkShell {
      name = "rust-dev-shell";
      nativeBuildInputs = with pkgs; [
        pkg-config lld
        rust-bin.default
        rust-bin.rls
        redis
      ];
    };
  });
}