From da26800b94d75ba810c2e6a39de71bdaa6bf0cb3 Mon Sep 17 00:00:00 2001
From: Nadia Santalla <nadia@santalla.io>
Date: Mon, 5 Aug 2024 13:53:56 +0200
Subject: [PATCH] allow defining ipFamilyPolicy for external service

---
 mailu/templates/front/service-external.yaml | 3 +++
 mailu/values.yaml                           | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/mailu/templates/front/service-external.yaml b/mailu/templates/front/service-external.yaml
index d868b73e..07108e46 100644
--- a/mailu/templates/front/service-external.yaml
+++ b/mailu/templates/front/service-external.yaml
@@ -19,6 +19,9 @@ spec:
 {{- with .Values.front.externalService }}
   type: {{ .type | default "ClusterIP" }}
   externalTrafficPolicy: {{ .externalTrafficPolicy | default "Local" }}
+  {{- with .ipFamilyPolicy }}
+  ipFamilyPolicy: {{ . | quote }}
+  {{- end }}
   {{- if .loadBalancerIP }}
   loadBalancerIP: {{ .loadBalancerIP }}
   {{- end }}
diff --git a/mailu/values.yaml b/mailu/values.yaml
index 91f44f07..b34fd8fb 100644
--- a/mailu/values.yaml
+++ b/mailu/values.yaml
@@ -677,6 +677,7 @@ front:
   ## @param front.externalService.enabled Expose front mail ports via external service (ClusterIP or LoadBalancer)
   ## @param front.externalService.type Service type (ClusterIP or LoadBalancer)
   ## @param front.externalService.externalTrafficPolicy Service externalTrafficPolicy (Cluster or Local)
+  ## @param front.externalService.ipFamilyPolicy Service ipFamilyPolicy, for dual stack clusters.
   ## @param front.externalService.loadBalancerIP Service loadBalancerIP
   ## @param front.externalService.annotations Service annotations
   ## @param front.externalService.ports.pop3 Expose POP3 port - 110/tcp
@@ -694,6 +695,7 @@ front:
     ## type: LoadBalancer
     loadBalancerIP: ""
     externalTrafficPolicy: Local
+    ipFamilyPolicy: ""
     annotations: {}
     ports:
       pop3: false