Add teleport module

modules/teleport.nix

@@ -0,0 +1,52 @@
+{
+  pkgs,
+  lib,
+  config,
+  nodename,
+  ...
+}: let
+  cfg = config.services.teleport;
+  in {
+
+  config = lib.mkIf config.services.teleport.enable {
+    environment.systemPackages = [ cfg.package ];
+
+    services.teleport = {
+      settings = {
+        teleport = {
+          nodename = config.networking.hostName;
+          auth_servers = [ "tp.jfreudenberger.de:3023" ];
+          log.severity = "ERROR";
+        };
+        ssh_service = {
+          enabled = true;
+          permit_user_env = true;
+          commands = [
+            {
+              name = "hostname";
+              command = ["${pkgs.nettools}/bin/hostname"];
+              period = "1h";
+            }
+            {
+              name = "IP";
+              command = ["${pkgs.curl}/bin/curl" "ifconfig.me"];
+              period = "1h";
+            }
+            {
+              name = "UP";
+              command = ["${pkgs.bash}/bin/bash" "-c" "${pkgs.procps}/bin/uptime -p | ${pkgs.coreutils}/bin/cut -c4- | ${pkgs.coreutils}/bin/cut -d',' -f1"];
+              period = "1h";
+            }
+            {
+              name = "teleport-version";
+              command = ["${pkgs.bash}/bin/bash" "-c" "${cfg.package}/bin/teleport version | ${pkgs.coreutils}/bin/cut -d' ' -f2"];
+              period = "12h";
+            }
+          ];
+        };
+        proxy_service.enabled = false;
+        auth_service.enabled = false;
+      };
+    };
+  };
+}