1 files changed, 104 insertions, 0 deletions
diff --git a/krebs/3modules/solanum.nix b/krebs/3modules/solanum.nix
new file mode 100644
index 000000000..9094d1003
--- /dev/null
+++ b/krebs/3modules/solanum.nix
@@ -0,0 +1,104 @@
+{ config, lib, pkgs, ... }:
+
+let
+  inherit (lib) mkEnableOption mkIf mkOption singleton types;
+  inherit (pkgs) coreutils solanum;
+  cfg = config.krebs.solanum;
+
+  configFile = pkgs.writeText "solanum.conf" ''
+    ${cfg.config}
+  '';
+in
+
+{
+
+  ###### interface
+
+  options = {
+
+    krebs.solanum = {
+
+      enable = mkEnableOption "Solanum IRC daemon";
+
+      config = mkOption {
+        type = types.str;
+        description = ''
+          Solanum IRC daemon configuration file.
+        '';
+      };
+
+      statedir = mkOption {
+        type = types.path;
+        default = "/var/lib/solanum";
+        description = ''
+          Location of the state directory of solanum.
+        '';
+      };
+
+      user = mkOption {
+        type = types.str;
+        default = "ircd";
+        description = ''
+          Solanum IRC daemon user.
+        '';
+      };
+
+      group = mkOption {
+        type = types.str;
+        default = "ircd";
+        description = ''
+          Solanum IRC daemon group.
+        '';
+      };
+
+      motd = mkOption {
+        type = types.nullOr types.lines;
+        default = null;
+        description = ''
+          Solanum MOTD text.
+
+          Solanum will read its MOTD from /etc/solanum/ircd.motd .
+          If set, the value of this option will be written to this path.
+        '';
+      };
+
+    };
+
+  };
+
+
+  ###### implementation
+
+  config = mkIf cfg.enable (lib.mkMerge [
+    {
+      users.users.${cfg.user} = {
+        description = "Solanum IRC daemon user";
+        uid = config.ids.uids.ircd;
+        group = cfg.group;
+      };
+
+      users.groups.${cfg.group} = {
+        gid = config.ids.gids.ircd;
+      };
+
+      systemd.tmpfiles.rules = [
+        "d ${cfg.statedir} - ${cfg.user} ${cfg.group} - -"
+      ];
+
+      systemd.services.solanum = {
+        description = "Solanum IRC daemon";
+        wantedBy = [ "multi-user.target" ];
+        serviceConfig = {
+          ExecStart   = "${solanum}/bin/solanum -foreground -logfile /dev/stdout -configfile ${configFile} -pidfile ${cfg.statedir}/ircd.pid";
+          Group = cfg.group;
+          User = cfg.user;
+        };
+      };
+
+    }
+
+    (mkIf (cfg.motd != null) {
+      environment.etc."solanum/ircd.motd".text = cfg.motd;
+    })
+  ]);
+}