From d385f02c8960175a727dbe03a60e2257876d941c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Torjus=20H=C3=A5kestad?= <torjus@usit.uio.no>
Date: Tue, 17 Feb 2026 00:44:35 +0100
Subject: [PATCH] grafana: fix datasource provisioning crash from renamed
 Prometheus datasource

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 services/grafana/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/services/grafana/default.nix b/services/grafana/default.nix
index a0dc7b4..0f801a4 100644
--- a/services/grafana/default.nix
+++ b/services/grafana/default.nix
@@ -37,6 +37,10 @@
     # Declarative datasources
     provision.datasources.settings = {
       apiVersion = 1;
+      # Remove old "Prometheus" datasource that was renamed to "Prometheus (monitoring01)"
+      deleteDatasources = [
+        { name = "Prometheus"; orgId = 1; }
+      ];
       datasources = [
         {
           name = "VictoriaMetrics";