314 current 2025-10-11 18:09:02 25.05.20251006.20c4598 6.12.50 *

modules/homelab/services/home/mosquitto/default.nix

@@ -0,0 +1,95 @@
+{ pkgs, config, lib, ... }:
+
+let
+  service = "mosquitto";
+  cfg = config.modules.services.${service};
+  sec = config.sops.secrets;
+  homelab = config.modules.homelab;
+in
+{
+  options.modules.services.${service} = {
+    enable = lib.mkEnableOption "enables ${service}";
+
+    # set port options
+    port = lib.mkOption {
+      type = lib.types.int;
+      default = 1883;
+      description = "set port for ${service} (default: ${toString cfg.port}";
+    };
+    url = lib.mkOption {
+      type = lib.types.str;
+      default = "${service}.${homelab.base_domain}";
+      description = "set domain for ${service}";
+    };
+    data_dir = lib.mkOption {
+      type = lib.types.str;
+      default = "/var/lib/${service}";
+      description = "set data directory for ${service}";
+    };
+    ids = lib.mkOption {
+      type = lib.types.int;
+      default = cfg.port;
+      description = "set uid and pid of ${service} user (matches port by default)";
+    };
+    backup = lib.mkOption {
+      type = lib.types.bool;
+      default = true;
+      description = "enable backups for ${service}";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    
+    # declare ${service} group
+    users.groups.${service} = { gid = lib.mkForce cfg.ids; };
+
+    # declare ${service} user
+    users.users.${service} = {
+      description = lib.mkForce "${service} server user";
+      uid = lib.mkForce cfg.ids;
+      isSystemUser = true;
+      home = cfg.data_dir;
+      createHome = true;
+      group = "${service}";
+      extraGroups = [];
+    };
+
+    # enable the ${service} service
+    services.mosquitto.enable = true;
+    services.mosquitto.listeners = [
+      {
+        port = 1883;
+        address = "0.0.0.0";
+        users.zigbee = {
+          acl = [ "readwrite #" ];
+          hashedPassword = "$7$101$140powz2MtsRawFT$ydndjal9wCAywIWtUEAh/IusdfDFvnHMupTFjdS7Ad/EjsEIbJgHrLY9waCe4Z3142XieuxMrXUDjMTp2qwyiw==";
+        };
+        # use with no auth
+#        settings.allow_anonymous = true;
+#        acl = [ "pattern readwrite #" ];
+#        omitPasswordAuth = true;
+      }
+    ];
+    # override umask to make permissions work out
+    systemd.services.${service}.serviceConfig = {
+      UMask = lib.mkForce "0007";
+      User = "${service}";
+      Group = "${service}";
+    };
+
+    # open firewall
+    networking.firewall.allowedTCPPorts = [ cfg.port ];
+
+    sops.secrets = {
+      "${service}_hashed_passwd" = {
+        owner = "${service}";
+        group = "${service}";
+      };
+    };
+
+    # add to backups
+    modules.system.backups.baks = {
+     ${service} = { paths = [ cfg.data_dir ]; };
+    };
+  };
+}