From 0b5c89dae9242e1817ae6add75253018f9ac644d Mon Sep 17 00:00:00 2001
From: lassulus <lassulus@lassul.us>
Date: Tue, 8 Jun 2021 17:41:21 +0200
Subject: module ergo: init

---
 krebs/3modules/default.nix |   1 +
 krebs/3modules/ergo.nix    | 136 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 137 insertions(+)
 create mode 100644 krebs/3modules/ergo.nix

(limited to 'krebs/3modules')

diff --git a/krebs/3modules/default.nix b/krebs/3modules/default.nix
index e75afad1..8866e91a 100644
--- a/krebs/3modules/default.nix
+++ b/krebs/3modules/default.nix
@@ -20,6 +20,7 @@ let
       ./ci.nix
       ./current.nix
       ./dns.nix
+      ./ergo.nix
       ./exim.nix
       ./exim-retiolum.nix
       ./exim-smarthost.nix
diff --git a/krebs/3modules/ergo.nix b/krebs/3modules/ergo.nix
new file mode 100644
index 00000000..14f85c4d
--- /dev/null
+++ b/krebs/3modules/ergo.nix
@@ -0,0 +1,136 @@
+{ config, lib, pkgs, ... }:
+
+let
+  inherit (lib) mkEnableOption mkIf mkOption types;
+  inherit (pkgs) coreutils ergo;
+  cfg = config.krebs.ergo;
+
+  configFile = pkgs.writeText "ergo.conf" (builtins.toJSON cfg.config);
+in
+
+{
+
+  ###### interface
+
+  options = {
+
+    krebs.ergo = {
+
+      enable = mkEnableOption "Ergo IRC daemon";
+
+      config = mkOption {
+        type = (pkgs.formats.json {}).type;
+        description = ''
+          Ergo IRC daemon configuration file.
+        '';
+        default = {
+          network = {
+            name = "krebstest";
+          };
+          server = {
+            name = "${config.networking.hostName}.r";
+            listeners = {
+              ":6667" = {};
+            };
+            casemapping = "permissive";
+            enforce-utf = true;
+            lookup-hostnames = false;
+            ip-cloaking = {
+              enabled = false;
+            };
+            forward-confirm-hostnames = false;
+            check-ident = false;
+            relaymsg = {
+              enabled = false;
+            };
+            max-sendq = "1M";
+            ip-limits = {
+              count = false;
+              throttle = false;
+            };
+          };
+          datastore = {
+            path = "${cfg.statedir}/ircd.db";
+          };
+          accounts = {
+            authentication-enabled = true;
+            registration = {
+              enabled = true;
+              email-verification = {
+                enabled = false;
+              };
+            };
+          };
+          channels = {
+            default-modes = "+nt";
+          };
+          limits = {
+            nicklen = 32;
+            identlen = 20;
+            channellen = 64;
+            awaylen = 390;
+            kicklen = 390;
+            topiclen = 390;
+          };
+        };
+      };
+
+      statedir = mkOption {
+        type = types.path;
+        default = "/var/lib/ergo";
+        description = ''
+          Location of the state directory of ergo.
+        '';
+      };
+
+      user = mkOption {
+        type = types.str;
+        default = "ergo";
+        description = ''
+          Ergo IRC daemon user.
+        '';
+      };
+
+      group = mkOption {
+        type = types.str;
+        default = "ergo";
+        description = ''
+          Ergo IRC daemon group.
+        '';
+      };
+
+    };
+
+  };
+
+
+  ###### implementation
+
+  config = mkIf cfg.enable ({
+    users.users.${cfg.user} = {
+      description = "Ergo IRC daemon user";
+      uid = config.ids.uids.ircd;
+      group = cfg.group;
+    };
+
+    users.groups.${cfg.group} = {
+      gid = config.ids.gids.ircd;
+    };
+
+    systemd.tmpfiles.rules = [
+      "d ${cfg.statedir} - ${cfg.user} ${cfg.group} - -"
+    ];
+
+    systemd.services.ergo = {
+      description = "Ergo IRC daemon";
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig = {
+        ExecStartPre = "${ergo}/bin/ergo initdb --conf ${configFile}";
+        ExecStart = "${ergo}/bin/ergo run --conf ${configFile}";
+        Group = cfg.group;
+        User = cfg.user;
+      };
+    };
+
+  });
+}
-- 
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