From 4d3ba00e5b7a3bebc8f389614313b3bc260a677f Mon Sep 17 00:00:00 2001
From: Vasily Oleynikov <vasily.oleynikov@flant.com>
Date: Wed, 26 Jun 2024 14:59:00 +0300
Subject: [PATCH] [controller] add pod antiaffinity rules (#45)

Signed-off-by: v.oleynikov <vasily.oleynikov@flant.com>
---
 .../sds-local-volume-controller/deployment.yaml    | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/templates/sds-local-volume-controller/deployment.yaml b/templates/sds-local-volume-controller/deployment.yaml
index 08cc6cc4..1b21ca66 100644
--- a/templates/sds-local-volume-controller/deployment.yaml
+++ b/templates/sds-local-volume-controller/deployment.yaml
@@ -61,6 +61,20 @@ spec:
       {{- include "helm_lib_node_selector" (tuple . "system") | nindent 6 }}
       {{- include "helm_lib_tolerations" (tuple . "system") | nindent 6 }}
       {{- include "helm_lib_module_pod_security_context_run_as_user_nobody" . | nindent 6 }}
+{{- if (include "helm_lib_ha_enabled" .) }}
+      affinity:
+        podAntiAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+            - podAffinityTerm:
+                labelSelector:
+                  matchExpressions:
+                    - key: app
+                      operator: In
+                      values:
+                        - sds-local-volume-controller
+                topologyKey: kubernetes.io/hostname
+              weight: 100
+{{- end }}
       imagePullSecrets:
         - name: {{ .Chart.Name }}-module-registry
       serviceAccountName: sds-local-volume-controller