an http based roguelike rpg about jelqing
| 1 | self: |
| 2 | { |
| 3 | config, |
| 4 | lib, |
| 5 | pkgs, |
| 6 | ... |
| 7 | }: |
| 8 | let |
| 9 | cfg = config.services.jelqd; |
| 10 | host = if lib.hasInfix ":" cfg.address then "[${cfg.address}]" else cfg.address; |
| 11 | in |
| 12 | { |
| 13 | options.services.jelqd = { |
| 14 | enable = lib.mkEnableOption "jelqd, a roguelike played entirely over HTTP"; |
| 15 | |
| 16 | package = lib.mkOption { |
| 17 | type = lib.types.package; |
| 18 | default = self.packages.${pkgs.stdenv.hostPlatform.system}.default; |
| 19 | defaultText = lib.literalExpression "jelq.packages.\${pkgs.stdenv.hostPlatform.system}.default"; |
| 20 | description = "The jelqd package to run."; |
| 21 | }; |
| 22 | |
| 23 | address = lib.mkOption { |
| 24 | type = lib.types.str; |
| 25 | default = "127.0.0.1"; |
| 26 | description = "Address to listen on."; |
| 27 | }; |
| 28 | |
| 29 | port = lib.mkOption { |
| 30 | type = lib.types.port; |
| 31 | default = 6969; |
| 32 | description = "Port to listen on."; |
| 33 | }; |
| 34 | |
| 35 | openFirewall = lib.mkOption { |
| 36 | type = lib.types.bool; |
| 37 | default = false; |
| 38 | description = "Open the listening port in the firewall."; |
| 39 | }; |
| 40 | |
| 41 | dataDir = lib.mkOption { |
| 42 | type = lib.types.path; |
| 43 | default = "/var/lib/jelqd"; |
| 44 | description = "Directory holding the sqlite database of finished runs."; |
| 45 | }; |
| 46 | |
| 47 | oracle = lib.mkOption { |
| 48 | type = lib.types.enum [ |
| 49 | "rng" |
| 50 | "clm" |
| 51 | ]; |
| 52 | default = "rng"; |
| 53 | description = "Where the oracle gets its answers."; |
| 54 | }; |
| 55 | |
| 56 | clmUrl = lib.mkOption { |
| 57 | type = lib.types.str; |
| 58 | default = "http://127.0.0.1:8700/v1/systemone"; |
| 59 | description = "CLM endpoint used when `oracle` is `clm`."; |
| 60 | }; |
| 61 | |
| 62 | environmentFile = lib.mkOption { |
| 63 | type = lib.types.nullOr lib.types.path; |
| 64 | default = null; |
| 65 | example = "/run/secrets/jelqd.env"; |
| 66 | description = '' |
| 67 | Environment file passed to the service, for setting `JELQD_SECRET`. |
| 68 | Without it the run-signing secret is regenerated on every restart |
| 69 | and live runs stop being accepted. |
| 70 | ''; |
| 71 | }; |
| 72 | }; |
| 73 | |
| 74 | config = lib.mkIf cfg.enable { |
| 75 | users.users.jelqd = { |
| 76 | isSystemUser = true; |
| 77 | group = "jelqd"; |
| 78 | home = cfg.dataDir; |
| 79 | }; |
| 80 | users.groups.jelqd = { }; |
| 81 | |
| 82 | systemd.tmpfiles.settings.jelqd = lib.mkIf (cfg.dataDir != "/var/lib/jelqd") { |
| 83 | ${cfg.dataDir}.d = { |
| 84 | user = "jelqd"; |
| 85 | group = "jelqd"; |
| 86 | mode = "0750"; |
| 87 | }; |
| 88 | }; |
| 89 | |
| 90 | systemd.services.jelqd = { |
| 91 | description = "jelqd roguelike server"; |
| 92 | wantedBy = [ "multi-user.target" ]; |
| 93 | after = [ "network.target" ]; |
| 94 | environment = { |
| 95 | JELQD_ADDR = "${host}:${toString cfg.port}"; |
| 96 | JELQD_DB = "${cfg.dataDir}/jelqd.sqlite"; |
| 97 | JELQD_ORACLE = cfg.oracle; |
| 98 | } |
| 99 | // lib.optionalAttrs (cfg.oracle == "clm") { JELQD_CLM_URL = cfg.clmUrl; }; |
| 100 | serviceConfig = { |
| 101 | ExecStart = lib.getExe cfg.package; |
| 102 | User = "jelqd"; |
| 103 | Group = "jelqd"; |
| 104 | Restart = "on-failure"; |
| 105 | EnvironmentFile = lib.mkIf (cfg.environmentFile != null) cfg.environmentFile; |
| 106 | StateDirectory = lib.mkIf (cfg.dataDir == "/var/lib/jelqd") "jelqd"; |
| 107 | StateDirectoryMode = "0750"; |
| 108 | ReadWritePaths = [ cfg.dataDir ]; |
| 109 | CapabilityBoundingSet = ""; |
| 110 | LockPersonality = true; |
| 111 | MemoryDenyWriteExecute = true; |
| 112 | NoNewPrivileges = true; |
| 113 | PrivateDevices = true; |
| 114 | PrivateTmp = true; |
| 115 | ProtectClock = true; |
| 116 | ProtectControlGroups = true; |
| 117 | ProtectHome = true; |
| 118 | ProtectHostname = true; |
| 119 | ProtectKernelLogs = true; |
| 120 | ProtectKernelModules = true; |
| 121 | ProtectKernelTunables = true; |
| 122 | ProtectProc = "invisible"; |
| 123 | ProtectSystem = "strict"; |
| 124 | RestrictAddressFamilies = [ |
| 125 | "AF_INET" |
| 126 | "AF_INET6" |
| 127 | ]; |
| 128 | RestrictNamespaces = true; |
| 129 | RestrictRealtime = true; |
| 130 | RestrictSUIDSGID = true; |
| 131 | SystemCallArchitectures = "native"; |
| 132 | SystemCallFilter = [ |
| 133 | "@system-service" |
| 134 | "~@privileged" |
| 135 | ]; |
| 136 | UMask = "0077"; |
| 137 | }; |
| 138 | }; |
| 139 | |
| 140 | networking.firewall.allowedTCPPorts = lib.mkIf cfg.openFirewall [ cfg.port ]; |
| 141 | }; |
| 142 | } |