LoutreOS: ajout timer minecraft overviewer

systems/LoutreOS/services.nix

@@ -263,6 +263,36 @@ in
     };
   };
 
+  systemd.services.minecraft-overviewer =
+  let
+    clientJar = pkgs.fetchurl {
+      url = "https://overviewer.org/textures/1.14";
+      sha256 = "0fij9wac7vj6h0kd3mfhqpn0w9gl8pbs9vs9s085zajm0szpr44k";
+      name = "client.jar";
+    };
+    configFile = pkgs.runCommand "overviewer-config" { CLIENT_JAR = clientJar; } ''
+      substitute ${./config-overviewer.py} $out \
+        --subst-var CLIENT_JAR
+    '';
+  in
+  {
+    script = ''
+      ${pkgs.minecraft-overviewer}/bin/overviewer.py --config ${configFile}
+      ${pkgs.minecraft-overviewer}/bin/overviewer.py --config ${configFile} --genpoi
+    '';
+    serviceConfig = {
+      User = "nginx";
+      Group = "nginx";
+    };
+  };
+
+  systemd.timers.minecraft-overviewer = {
+    wantedBy = [ "multi-user.target" ];
+    timerConfig = {
+      OnCalendar = "*-*-* 04:00:00";
+    };
+  };
+
   users.groups.acme.members = [ "matrix-synapse" ];
 
   security.pam.services.sshd.text = pkgs.lib.mkDefault( pkgs.lib.mkAfter "session optional ${pkgs.pam}/lib/security/pam_exec.so seteuid ${login_mail_alert}/bin/mail_alert.sh" );