feat(haproxy): add IPv6 dual-stack support with ipFamilyPolicy and ipFamilies

Author: I501307

bitnami/haproxy/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 2.2.35 (2025-01-10)
+
+* [bitnami/haproxy] Add support for ipFamilyPolicy and ipFamilies in service configuration (#36384)
+
 ## 2.2.34 (2025-08-13)
 
 * [bitnami/haproxy] :zap: :arrow_up: Update dependency references ([#35817](https://github.com/bitnami/charts/pull/35817))

bitnami/haproxy/README.md

@@ -234,6 +234,8 @@ As an alternative, use one of the preset configurations for pod affinity, pod an
 | `service.sessionAffinity`               | Session Affinity for Kubernetes service, can be "None" or "ClientIP"                                                             | `None`                   |
 | `service.sessionAffinityConfig`         | Additional settings for the sessionAffinity                                                                                      | `{}`                     |
 | `service.labels`                        | Additional custom labels for haproxy service                                                                                     | `{}`                     |
+| `service.ipFamilyPolicy`                | IP family policy for the service                                                                                                 | `""`                     |
+| `service.ipFamilies`                    | IP families for the service                                                                                                      | `[]`                     |
 | `networkPolicy.enabled`                 | Specifies whether a NetworkPolicy should be created                                                                              | `true`                   |
 | `networkPolicy.allowExternal`           | Don't require server label for connections                                                                                       | `true`                   |
 | `networkPolicy.allowExternalEgress`     | Allow the pod to access any range of port and all destinations.                                                                  | `true`                   |

bitnami/haproxy/templates/service.yaml

@@ -18,6 +18,12 @@ metadata:
   {{- end }}
 spec:
   type: {{ .Values.service.type }}
+  {{- if .Values.service.ipFamilyPolicy }}
+  ipFamilyPolicy: {{ .Values.service.ipFamilyPolicy }}
+  {{- end }}
+  {{- if .Values.service.ipFamilies }}
+  ipFamilies: {{- include "common.tplvalues.render" (dict "value" .Values.service.ipFamilies "context" $) | nindent 4 }}
+  {{- end }}
   {{- if .Values.service.clusterIP }}
   clusterIP: {{ .Values.service.clusterIP }}
   {{- end }}

bitnami/haproxy/values.yaml

@@ -133,6 +133,20 @@ service:
   ## @param service.labels Additional custom labels for haproxy service
   ##
   labels: {}
+  ## @param service.ipFamilyPolicy IP family policy for the service
+  ## Allowed values: SingleStack, PreferDualStack, RequireDualStack
+  ## ref: https://kubernetes.io/docs/concepts/services-networking/dual-stack/#services
+  ##
+  ipFamilyPolicy: ""
+  ## @param service.ipFamilies IP families for the service
+  ## Allowed values: IPv4, IPv6
+  ## ref: https://kubernetes.io/docs/concepts/services-networking/dual-stack/#services
+  ## e.g:
+  ## ipFamilies:
+  ##   - IPv4
+  ##   - IPv6
+  ##
+  ipFamilies: []
 ## Network Policies
 ## Ref: https://kubernetes.io/docs/concepts/services-networking/network-policies/
 ##