test

modules/systemd.nix

@@ -0,0 +1,36 @@
+{ config, lib, pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    autossh
+  ];
+
+  systemd.services.autossh-redbot = {
+    description = "Persistent SSH Tunnel to Cloud Server";
+    after = [ "network-online.target" ];
+    wants = [ "network-online.target" ];
+    wantedBy = [ "multi-user.target" ];
+    serviceConfig = {
+      User = "cobray";
+      Group = "cobray";
+      Restart = "always";
+      RestartSec = 30;
+      EnvironmentFile = "/home/cobray/.secrets/autossh-redbot.conf";
+      Environment = [
+        "AUTOSSH_GATETIME=0"
+        "AUTOSSH_POLL=60"
+        "AUTOSSH_FIRST_POLL=30"
+        "AUTOSSH_PORT=0"
+      ];
+      ExecStart = ''
+        ${pkgs.autossh}/bin/autossh -M 0 -N \
+          -o "ServerAliveInterval 60" \
+          -o "ServerAliveCountMax 3" \
+          -o "ExitOnForwardFailure=yes" \
+          -o "ConnectTimeout=10" \
+          -R "0.0.0.0:$REMOTE_PORT:localhost:$LOCAL_PORT" \
+          root@$REMOTE_HOST
+      '';
+    };
+  };
+}