flake.nix


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

{
  description = "Nixos server config";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11-small";
    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable-small";

    library.url = "git+https://git.vhack.eu/vhack.eu/nix-library?ref=prime";

    treefmt-nix = {
      url = "github:numtide/treefmt-nix";
      inputs = {
        nixpkgs.follows = "nixpkgs";
      };
    };
    deploy-rs = {
      url = "github:serokell/deploy-rs";
    };

    # inputs for following
    systems = {
      url = "github:nix-systems/x86_64-linux"; # only evaluate for this system
    };
    flake-compat = {
      url = "github:edolstra/flake-compat";
      flake = false;
    };
    crane = {
      url = "github:ipetkov/crane";
      inputs = {};
    };
    flake-utils = {
      url = "github:numtide/flake-utils";
      inputs = {
        systems.follows = "systems";
      };
    };
    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs = {
        nixpkgs.follows = "nixpkgs";
      };
    };

    # modules
    disko = {
      url = "github:nix-community/disko";
      inputs = {
        nixpkgs.follows = "nixpkgs";
      };
    };
    agenix = {
      url = "github:ryantm/agenix";
      inputs = {
        nixpkgs.follows = "nixpkgs";
        systems.follows = "systems";
      };
    };
    impermanence = {
      url = "github:nix-community/impermanence";
      inputs = {};
    };
    simple-nixos-mailserver = {
      url = "gitlab:simple-nixos-mailserver/nixos-mailserver/master";
      inputs = {
        flake-compat.follows = "flake-compat";
        nixpkgs.follows = "nixpkgs";
      };
    };

    # bins
    ragenix = {
      url = "github:yaxitech/ragenix";
      inputs = {
        nixpkgs.follows = "nixpkgs";
        agenix.follows = "agenix";
        flake-utils.follows = "flake-utils";
        rust-overlay.follows = "rust-overlay";
        crane.follows = "crane";
      };
    };
  };

  outputs = {
    self,
    nixpkgs,
    nixpkgs-unstable,
    library,
    treefmt-nix,
    deploy-rs,
    # modules
    simple-nixos-mailserver,
    impermanence,
    disko,
    agenix,
    # bins
    ragenix,
    ...
  } @ attrs: let
    system = "x86_64-linux";
    pkgs = nixpkgs.legacyPackages.${system};
    nixos-lib = import (nixpkgs + "/nixos/lib") {};
    pkgsUnstable = nixpkgs-unstable.legacyPackages.${system};

    specialArgs =
      attrs
      // {
        inherit pkgsUnstable vhackPackages nixpkgs-unstable nixos-lib extraModules nixLib;
      };

    extraModules = [
      simple-nixos-mailserver.nixosModule
      disko.nixosModules.default
      impermanence.nixosModules.impermanence
      agenix.nixosModules.default
    ];

    tests = import ./tests {inherit pkgs specialArgs nixLib;};
    vhackPackages = import ./pkgs {inherit pkgs nixLib;};

    hosts = import ./hosts {inherit pkgs nixLib nixpkgs specialArgs extraModules;};

    inherit (library) nixLib;
    treefmtEval = import ./treefmt.nix {inherit treefmt-nix pkgs;};
  in {
    nixosConfigurations = hosts;

    checks."${system}" =
      nixLib.warnMerge (nixLib.warnMerge tests {
        formatting =
          treefmtEval.config.build.check self;
      } "the flake checks and formatting")
      (deploy-rs.lib."${system}".deployChecks self.deploy)
      "the flake checks and deploy-rs";

    packages."${system}" = vhackPackages;
    formatter."${system}" = treefmtEval.config.build.wrapper;

    devShells."${system}" = {
      default = pkgs.mkShell {
        packages = with pkgs; [
          # used for certificate generation in the taskserver setup
          gnutls

          pkgs.deploy-rs

          git-bug

          cocogitto
          ragenix.packages."${system}".default
        ];
      };
    };

    deploy.nodes.server2 = {
      hostname = "server2.vhack.eu";
      profiles.system = {
        user = "root";
        path = deploy-rs.lib.x86_64-linux.activate.nixos self.nixosConfigurations.server2;
      };
    };
  };
}