Merge pull request #210 from cillianderoiste/master

Add Supybot (IRC bot) service

modules/misc/ids.nix

@@ -78,6 +78,7 @@ in
     chrony = 61;
     smtpd = 63;
     smtpq = 64;    
+    supybot = 65;
 
     # When adding a uid, make sure it doesn't match an existing gid.
 
@@ -139,6 +140,7 @@ in
     systemd-journal = 62;
     smtpd = 63;
     smtpq = 64;    
+    supybot = 65;
 
     # When adding a gid, make sure it doesn't match an existing uid.
 

modules/module-list.nix

@@ -170,6 +170,7 @@
   ./services/networking/rdnssd.nix
   ./services/networking/rpcbind.nix
   ./services/networking/sabnzbd.nix
+  ./services/networking/supybot.nix
   ./services/networking/ssh/lshd.nix
   ./services/networking/ssh/sshd.nix
   ./services/networking/tftpd.nix

modules/services/networking/supybot.nix

@@ -0,0 +1,88 @@
+{ config, pkgs, ... }:
+
+with pkgs.lib;
+
+let
+
+  cfg  = config.services.supybot;
+
+in
+
+{
+
+  options = {
+
+    services.supybot = {
+
+      enable = mkOption {
+        default = false;
+        description = "Enable Supybot, an IRC bot";
+      };
+
+      stateDir = mkOption {
+        # Setting this to /var/lib/supybot caused useradd to fail
+        default = "/home/supybot";
+        description = "The root directory, logs and plugins are stored here";
+      };
+
+      configFile = mkOption {
+        type = types.path;
+        description = ''
+          Path to a supybot config file. This can be generated by
+          running supybot-wizard.
+
+          Note: all paths should include the full path to the stateDir
+          directory (backup conf data logs logs/plugins plugins tmp web).
+        '';
+      };
+
+    };
+
+  };
+
+
+  config = mkIf cfg.enable {
+
+    environment.systemPackages = [ pkgs.pythonPackages.limnoria ];
+
+    users.extraUsers = singleton {
+      name = "supybot";
+      uid = config.ids.uids.supybot;
+      group = "supybot";
+      description = "Supybot IRC bot user";
+      home = cfg.stateDir;
+      createHome = true;
+    };
+
+    users.extraGroups.supybot = {
+      name = "supybot";
+      gid = config.ids.gids.supybot;
+    };
+
+    systemd.services.supybot = {
+      description = "Supybot, an IRC bot";
+      after = [ "network.target" ];
+      wantedBy = [ "multi-user.target" ];
+      path = [ pkgs.pythonPackages.limnoria ];
+      preStart = ''
+        cd ${cfg.stateDir}
+        mkdir -p backup conf data plugins logs/plugins tmp web
+        ln -sf ${cfg.configFile} supybot.cfg
+        # This needs to be created afresh every time
+        rm -f supybot.cfg.bak
+      '';
+
+      serviceConfig = {
+        ExecStart = "${pkgs.pythonPackages.limnoria}/bin/supybot ${cfg.stateDir}/supybot.cfg";
+        PIDFile = "/run/supybot.pid";
+        User = "supybot";
+        Group = "supybot";
+        UMask = "0007";
+        Restart = "on-abort";
+        StartLimitInterval = "5m";
+        StartLimitBurst = "1";
+      };
+    };
+
+  };
+}