From 848af2c6fc214b12a34442574755826678251181 Mon Sep 17 00:00:00 2001
From: Ben Gamari <ben@smart-cactus.org>
Date: Sun, 23 Dec 2018 15:50:23 -0500
Subject: nixos/gitlab-runner: reload on config change

With this change it is no longer required to restart the runner on every
change. Instead it can just reload it's config while running.
---
 .../modules/services/continuous-integration/gitlab-runner.nix | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'nixos')

diff --git a/nixos/modules/services/continuous-integration/gitlab-runner.nix b/nixos/modules/services/continuous-integration/gitlab-runner.nix
index 3d307b1abcf83..bd4cf6a37bad8 100644
--- a/nixos/modules/services/continuous-integration/gitlab-runner.nix
+++ b/nixos/modules/services/continuous-integration/gitlab-runner.nix
@@ -120,10 +120,16 @@ in
         ++ optional hasDocker "docker.service";
       requires = optional hasDocker "docker.service";
       wantedBy = [ "multi-user.target" ];
+      reloadIfChanged = true;
+      restartTriggers = [
+         config.environment.etc."gitlab-runner/config.toml".source
+      ];
       serviceConfig = {
+        StateDirectory = "gitlab-runner";
+        ExecReload= "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
         ExecStart = ''${cfg.package.bin}/bin/gitlab-runner run \
           --working-directory ${cfg.workDir} \
-          --config ${configFile} \
+          --config /etc/gitlab-runner/config.toml \
           --service gitlab-runner \
           --user gitlab-runner \
         '';
@@ -138,6 +144,9 @@ in
     # Make the gitlab-runner command availabe so users can query the runner
     environment.systemPackages = [ cfg.package ];
 
+    # Make sure the config can be reloaded on change
+    environment.etc."gitlab-runner/config.toml".source = configFile;
+
     users.users.gitlab-runner = {
       group = "gitlab-runner";
       extraGroups = optional hasDocker "docker";
-- 
cgit 1.4.1