assertions: add lnd, clightning exclusivity

2020-06-15 13:02:58 +00:00
parent 0ad524ca2d
commit 23cd323ad1
2 changed files with 10 additions and 1 deletions
@@ -26,6 +26,15 @@
  };

  config = {
+    assertions = [
+      # lnd.wantedBy == [] needed for `test/tests.nix` in which both clightning and lnd are enabled
+      { assertion = config.services.lnd.enable -> (!config.services.clightning.enable || config.systemd.services.lnd.wantedBy == []);
+        message = ''
+          LND and clightning can't be run in parallel because they both bind to lightning port 9735.
+        '';
+      }
+    ];
+
    nixpkgs.overlays = [ (self: super: {
      nix-bitcoin = let
        pkgs = import ../pkgs { pkgs = super; };