fix: force IPv4 when using ipFamilyPolicy

Author: ncldmg

examples/app/templates/myapp-ipfamily-service.yaml

@@ -0,0 +1,21 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "app.fullname" . }}-myapp-ipfamily-service
+  labels:
+    app: myapp
+  {{- include "app.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.myappIpfamilyService.type }}
+  selector:
+    app: myapp
+    {{- include "app.selectorLabels" . | nindent 4 }}
+  {{- if .Values.myappIpfamilyService.ipFamilyPolicy }}
+  ipFamilyPolicy: {{ .Values.myappIpfamilyService.ipFamilyPolicy }}
+  {{- end }}
+  {{- if .Values.myappIpfamilyService.ipFamilies }}
+  ipFamilies:
+  {{- .Values.myappIpfamilyService.ipFamilies | toYaml | nindent 2 }}
+  {{- end }}
+  ports:
+  {{- .Values.myappIpfamilyService.ports | toYaml | nindent 2 }}

examples/app/templates/myapp-ipv6-service.yaml

@@ -103,10 +103,10 @@ myapp:
   revisionHistoryLimit: 5
   tolerations: []
   topologySpreadConstraints: []
-myappIpv6Service:
+myappIpfamilyService:
   ipFamilies:
-  - IPv6
-  ipFamilyPolicy: PreferDualStack
+  - IPv4
+  ipFamilyPolicy: PreferSingleStack
   ports:
   - name: https
     port: 8443

examples/app/values.yaml

@@ -161,20 +161,19 @@ kind: Service
 metadata:
   labels:
     app: myapp
-  name: myapp-ipv6-service
+  name: myapp-ipfamily-service
   namespace: my-ns
 spec:
-  ipFamilyPolicy: PreferDualStack
+  ipFamilyPolicy: PreferSingleStack
   ipFamilies:
-  - IPv6
+  - IPv4
   ports:
     - name: https
       port: 8443
       targetPort: https
   selector:
     app: myapp
 ---
----
 apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata: