Merge pull request #6 from haproxytech/MMH

MINOR: Add externalTrafficPolicy parameter for the controller service

Author: dkorunic

kubernetes-ingress/Chart.yaml

@@ -14,7 +14,7 @@
 
 apiVersion: v1
 name: kubernetes-ingress
-version: 0.7.1
+version: 0.7.2
 kubeVersion: ">=1.12.0-0"
 description: A Helm chart for HAProxy Kubernetes Ingress Controller
 keywords:

kubernetes-ingress/templates/controller-service.yaml

@@ -34,6 +34,9 @@ metadata:
 spec:
   {{ with .Values.controller.service.clusterIP }}clusterIP: {{ . }}{{ end }}
   type: {{ .Values.controller.service.type }}
+  {{- if .Values.controller.service.externalTrafficPolicy }}
+  externalTrafficPolicy: {{ .Values.controller.service.externalTrafficPolicy }}
+  {{- end }}
   ports:
     - name: http
       port: {{ .Values.controller.service.ports.http }}

kubernetes-ingress/values.yaml

@@ -158,6 +158,11 @@ controller:
     # https://github.com/haproxytech/kubernetes-ingress/blob/master/documentation/controller.md
     tcpPorts: []
 
+    ## Set external traffic policy
+    ## Default is "Cluster", setting it to "Local" preserves source IP
+    ## Ref: https://kubernetes.io/docs/tutorials/services/source-ip/#source-ip-for-services-with-typeloadbalancer
+    externalTrafficPolicy: ""
+
     ## Expose service via external IPs that route to one or more cluster nodes
     externalIPs: []