From 7d0fbb17c8dd93e9b3b8372f69660da2f430dc94 Mon Sep 17 00:00:00 2001
From: Jameel Briones <jbriones@redhat.com>
Date: Wed, 10 May 2023 13:44:15 +0100
Subject: [PATCH] fix: plugin installation due to read-only file system error

Fixes https://github.com/grafana-operator/grafana-operator/issues/1034
---
 controllers/reconcilers/grafana/deployment_reconciler.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/controllers/reconcilers/grafana/deployment_reconciler.go b/controllers/reconcilers/grafana/deployment_reconciler.go
index f50775344..2f5c6951f 100644
--- a/controllers/reconcilers/grafana/deployment_reconciler.go
+++ b/controllers/reconcilers/grafana/deployment_reconciler.go
@@ -168,6 +168,12 @@ func getContainers(cr *v1beta1.Grafana, scheme *runtime.Scheme, vars *v1beta1.Op
 		Value: vars.Plugins,
 	})
 
+	// env var to set location where temporary files can be written (e.g. plugin downloads)
+	envVars = append(envVars, v1.EnvVar{
+		Name:  "TMPDIR",
+		Value: config2.GrafanaDataPath,
+	})
+
 	containers = append(containers, v1.Container{
 		Name:       "grafana",
 		Image:      image,