about summary refs log tree commit diff
path: root/nixos/modules/services/audio/navidrome.nix
blob: a9db9228827a222b720e57c152d576d69ab757fd (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
{
  config,
  lib,
  pkgs,
  ...
}:

let
  inherit (lib)
    mkEnableOption
    mkPackageOption
    mkOption
    maintainers
    ;
  inherit (lib.types)
    bool
    port
    str
    submodule
    ;
  cfg = config.services.navidrome;
  settingsFormat = pkgs.formats.json { };
in
{
  options = {
    services.navidrome = {

      enable = mkEnableOption "Navidrome music server";

      package = mkPackageOption pkgs "navidrome" { };

      settings = mkOption {
        type = submodule {
          freeformType = settingsFormat.type;

          options = {
            Address = mkOption {
              default = "127.0.0.1";
              description = "Address to run Navidrome on.";
              type = str;
            };

            Port = mkOption {
              default = 4533;
              description = "Port to run Navidrome on.";
              type = port;
            };
          };
        };
        default = { };
        example = {
          MusicFolder = "/mnt/music";
        };
        description = "Configuration for Navidrome, see <https://www.navidrome.org/docs/usage/configuration-options/> for supported values.";
      };

      user = mkOption {
        type = str;
        default = "navidrome";
        description = "User under which Navidrome runs.";
      };

      group = mkOption {
        type = str;
        default = "navidrome";
        description = "Group under which Navidrome runs.";
      };

      openFirewall = mkOption {
        type = bool;
        default = false;
        description = "Whether to open the TCP port in the firewall";
      };
    };
  };

  config =
    let
      inherit (lib) mkIf optional getExe;
      WorkingDirectory = "/var/lib/navidrome";
    in
    mkIf cfg.enable {
      systemd = {
        tmpfiles.settings.navidromeDirs = {
          "${cfg.settings.DataFolder or WorkingDirectory}"."d" = {
            mode = "700";
            inherit (cfg) user group;
          };
          "${cfg.settings.CacheFolder or (WorkingDirectory + "/cache")}"."d" = {
            mode = "700";
            inherit (cfg) user group;
          };
        };
        services.navidrome = {
          description = "Navidrome Media Server";
          after = [ "network.target" ];
          wantedBy = [ "multi-user.target" ];
          serviceConfig = {
            ExecStart = ''
              ${getExe cfg.package} --configfile ${settingsFormat.generate "navidrome.json" cfg.settings}
            '';
            User = cfg.user;
            Group = cfg.group;
            StateDirectory = "navidrome";
            inherit WorkingDirectory;
            RuntimeDirectory = "navidrome";
            RootDirectory = "/run/navidrome";
            ReadWritePaths = "";
            BindPaths =
              optional (cfg.settings ? DataFolder) cfg.settings.DataFolder
              ++ optional (cfg.settings ? CacheFolder) cfg.settings.CacheFolder;
            BindReadOnlyPaths = [
              # navidrome uses online services to download additional album metadata / covers
              "${
                config.environment.etc."ssl/certs/ca-certificates.crt".source
              }:/etc/ssl/certs/ca-certificates.crt"
              builtins.storeDir
              "/etc"
            ] ++ optional (cfg.settings ? MusicFolder) cfg.settings.MusicFolder;
            CapabilityBoundingSet = "";
            RestrictAddressFamilies = [
              "AF_UNIX"
              "AF_INET"
              "AF_INET6"
            ];
            RestrictNamespaces = true;
            PrivateDevices = true;
            PrivateUsers = true;
            ProtectClock = true;
            ProtectControlGroups = true;
            ProtectHome = true;
            ProtectKernelLogs = true;
            ProtectKernelModules = true;
            ProtectKernelTunables = true;
            SystemCallArchitectures = "native";
            SystemCallFilter = [
              "@system-service"
              "~@privileged"
            ];
            RestrictRealtime = true;
            LockPersonality = true;
            MemoryDenyWriteExecute = true;
            UMask = "0066";
            ProtectHostname = true;
          };
        };
      };

      users.users = mkIf (cfg.user == "navidrome") {
        navidrome = {
          inherit (cfg) group;
          isSystemUser = true;
        };
      };

      users.groups = mkIf (cfg.group == "navidrome") { navidrome = { }; };

      networking.firewall.allowedTCPPorts = mkIf cfg.openFirewall [ cfg.settings.Port ];
    };
  meta.maintainers = with maintainers; [ nu-nu-ko ];
}