75 lines
2.1 KiB
Nix
75 lines
2.1 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.services.cratedocs-mcp;
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in
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{
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options.services.cratedocs-mcp = {
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enable = lib.mkEnableOption "CrateDocs MCP server";
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port = lib.mkOption {
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type = lib.types.int;
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default = 3000;
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description = "Port to listen on for HTTP/SSE server";
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};
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openFirewall = lib.mkOption {
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default = false;
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type = lib.types.bool;
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description = "Whether to open the firewall for the specified port.";
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};
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user = lib.mkOption {
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type = lib.types.str;
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default = "cratedocs-mcp";
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description = "User to run the service as";
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};
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group = lib.mkOption {
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type = lib.types.str;
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default = "cratedocs-mcp";
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description = "Group to run the service as";
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};
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};
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config = lib.mkIf cfg.enable {
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networking.firewall.allowedTCPPorts = lib.mkIf cfg.openFirewall [ cfg.port ];
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systemd.services.cratedocs-mcp = {
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description = "CrateDocs MCP server";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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ExecStart = "${lib.getExe pkgs.cratedocs-mcp} http -a 0.0.0.0:${toString cfg.port}";
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Restart = "always";
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User = cfg.user;
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Group = cfg.group;
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DynamicUser = true;
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StateDirectory = "cratedocs-mcp";
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CacheDirectory = "cratedocs-mcp";
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# Security hardening
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PrivateTmp = true;
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ProtectSystem = "strict";
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ProtectHome = true;
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NoNewPrivileges = true;
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RestrictNamespaces = true;
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RestrictRealtime = true;
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RestrictSUIDSGID = true;
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RemoveIPC = true;
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PrivateMounts = true;
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ProtectHostname = true;
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ProtectClock = true;
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ProtectKernelTunables = true;
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ProtectKernelModules = true;
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ProtectKernelLogs = true;
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ProtectControlGroups = true;
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LockPersonality = true;
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MemoryDenyWriteExecute = true;
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RestrictAddressFamilies = [ "AF_INET" "AF_INET6" ];
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SystemCallFilter = "@system-service";
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SystemCallErrorNumber = "EPERM";
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};
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};
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};
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}
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