From 02985d0e9117d8f3e2ebd60ad9075f8913543e8d Mon Sep 17 00:00:00 2001
From: Fabian Wiesel <fabian.wiesel@sap.com>
Date: Thu, 18 Jun 2026 16:58:22 +0200
Subject: [PATCH] Set GOMEMLIMIT from container memory limit

Without GOMEMLIMIT the Go GC is unaware of the container limit and may
let the heap grow until the kernel OOM-kills the process.
---
 .../openstack-hypervisor-operator/templates/deployment.yaml  | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/charts/openstack-hypervisor-operator/templates/deployment.yaml b/charts/openstack-hypervisor-operator/templates/deployment.yaml
index b37cfca1..5739a3f5 100644
--- a/charts/openstack-hypervisor-operator/templates/deployment.yaml
+++ b/charts/openstack-hypervisor-operator/templates/deployment.yaml
@@ -47,6 +47,11 @@ spec:
           value: {{ quote .Values.controllerManager.manager.env.labelSelector }}
         - name: KUBERNETES_CLUSTER_DOMAIN
           value: {{ quote .Values.kubernetesClusterDomain }}
+        - name: GOMEMLIMIT
+          valueFrom:
+            resourceFieldRef:
+              resource: limits.memory
+              divisor: "1"
         image: {{ .Values.controllerManager.manager.image.repository }}:{{ .Chart.AppVersion }}
         livenessProbe:
           httpGet: