From 2e1b9a7eec2e51a1fe9377286eb15b09378d60aa Mon Sep 17 00:00:00 2001
From: hieule <hieu.le@stfc.ac.uk>
Date: Tue, 12 May 2026 15:48:12 +0100
Subject: [PATCH] Modify "PrometheusRemoteWrite" datasource setting

Increase the HTTP request timeout to 120s.
For VM Power & Carbon dashboard, if the time range is above 48 hours, panels throw error 504 Gateway Timeout.
This is a fix to prevent query timeout while dashboard is loading data
---
 .../roles/grafana/templates/cloud_datasource.yaml.j2            | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/grafana_monitoring/roles/grafana/templates/cloud_datasource.yaml.j2 b/grafana_monitoring/roles/grafana/templates/cloud_datasource.yaml.j2
index a0dbb9c3..b4ef6189 100644
--- a/grafana_monitoring/roles/grafana/templates/cloud_datasource.yaml.j2
+++ b/grafana_monitoring/roles/grafana/templates/cloud_datasource.yaml.j2
@@ -10,6 +10,8 @@ datasources:
     isDefault: false
     basicAuth: true
     basicAuthUser: {{ remote_write_prometheus_username }}
+    jsonData:
+      timeout: 120
     secureJsonData:
       basicAuthPassword: {{ remote_write_prometheus_password }}