From 70806819b13486261723ec9831436df333dc69c6 Mon Sep 17 00:00:00 2001
From: Florian Sesser <florian@private.storage>
Date: Thu, 30 Sep 2021 13:02:12 +0000
Subject: [PATCH] Only include the environment file if Slack alerter is enabled
---
nixos/modules/monitoring/server/grafana.nix | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/nixos/modules/monitoring/server/grafana.nix b/nixos/modules/monitoring/server/grafana.nix
index 1d2052dd..d8ed7c12 100644
--- a/nixos/modules/monitoring/server/grafana.nix
+++ b/nixos/modules/monitoring/server/grafana.nix
@@ -81,7 +81,11 @@ in {
# Port 80 for ACME ssl retrieval only. 443 for nginx -> grafana.
networking.firewall.allowedTCPPorts = [ 80 443 ];
- systemd.services.grafana.serviceConfig.EnvironmentFile = cfg.grafanaEnvironmentFile;
+ # We pass the secret Slack URL using an environment variable.
+ systemd.services.grafana.serviceConfig.EnvironmentFile =
+ if cfg.enableSlackAlert
+ then [ cfg.grafanaEnvironmentFile ]
+ else [ ];
services.grafana = {
enable = true;
--
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