From 5abdf21adba06758c2b51b356503deac52ee3fdd Mon Sep 17 00:00:00 2001
From: dpagidas <dpagidas@users.noreply.github.com>
Date: Thu, 26 Mar 2026 15:47:58 +0200
Subject: [PATCH] feat: add priorityClassName support for
 apisix-ingress-controller

---
 charts/apisix-ingress-controller/templates/deployment.yaml | 3 +++
 charts/apisix-ingress-controller/values.yaml               | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/charts/apisix-ingress-controller/templates/deployment.yaml b/charts/apisix-ingress-controller/templates/deployment.yaml
index 2d03b398..97ecdcaf 100644
--- a/charts/apisix-ingress-controller/templates/deployment.yaml
+++ b/charts/apisix-ingress-controller/templates/deployment.yaml
@@ -42,6 +42,9 @@ spec:
       labels:
         {{- include "apisix-ingress-controller-manager.selectorLabels" . | nindent 8 }}
     spec:
+      {{- with .Values.deployment.priorityClassName }}
+      priorityClassName: {{ . }}
+      {{- end }}
       {{- $imagePullSecrets := .Values.deployment.imagePullSecrets | default ((.Values.global).imagePullSecrets | default list) }}
       {{- with $imagePullSecrets }}
       imagePullSecrets:
diff --git a/charts/apisix-ingress-controller/values.yaml b/charts/apisix-ingress-controller/values.yaml
index 70d597e6..13cd6839 100644
--- a/charts/apisix-ingress-controller/values.yaml
+++ b/charts/apisix-ingress-controller/values.yaml
@@ -48,6 +48,8 @@ deployment:
   # -- Add annotations to Apache APISIX ingress controller resource
   annotations: {}
   podAnnotations: {}
+  # -- Set [priorityClassName](https://kubernetes.io/docs/concepts/scheduling-eviction/pod-priority-preemption/#priorityclass) to avoid being evicted by high priority pods
+  priorityClassName: ""
   replicas: 1
   nodeSelector: {}
   tolerations: []