From fae653deb4af085526163467e73f2d26b2220b52 Mon Sep 17 00:00:00 2001
From: talyz <kim.lindberger@gmail.com>
Date: Tue, 4 Oct 2022 17:42:43 +0200
Subject: [PATCH] nixos/gitlab: Configure ActionCable

ActionCable is used to provide realtime updates in a few places,
mainly the issue sidebar.
---
 nixos/modules/services/misc/gitlab.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/nixos/modules/services/misc/gitlab.nix b/nixos/modules/services/misc/gitlab.nix
index 0c8cafff9ed5..772693cb624e 100644
--- a/nixos/modules/services/misc/gitlab.nix
+++ b/nixos/modules/services/misc/gitlab.nix
@@ -96,6 +96,14 @@ let
 
   redisConfig.production.url = cfg.redisUrl;
 
+  cableYml = yaml.generate "cable.yml" {
+    production = {
+      adapter = "redis";
+      url = cfg.redisUrl;
+      channel_prefix = "gitlab_production";
+    };
+  };
+
   pagesArgs = [
     "-pages-domain" gitlabConfig.production.pages.host
     "-pages-root" "${gitlabConfig.production.shared.path}/pages"
@@ -1211,6 +1219,7 @@ in {
           cp -rf --no-preserve=mode ${cfg.packages.gitlab}/share/gitlab/config.dist/* ${cfg.statePath}/config
           cp -rf --no-preserve=mode ${cfg.packages.gitlab}/share/gitlab/db/* ${cfg.statePath}/db
           ln -sf ${extraGitlabRb} ${cfg.statePath}/config/initializers/extra-gitlab.rb
+          ln -sf ${cableYml} ${cfg.statePath}/config/cable.yml
 
           ${cfg.packages.gitlab-shell}/bin/install