[stable/kong] Add proxy.externalTrafficPolicy to the configuration (#14123)

* Add proxy.externalTrafficPolicy to the configuration to allow configuring externalTrafficPolicy on kong-proxy SVC

Signed-off-by: Benoît Ngô <ngobenoit@gmail.com>

* Version BUMP + rebasing with master

Signed-off-by: Benoît Ngô <ngobenoit@gmail.com>

stable/kong/Chart.yaml

@@ -10,5 +10,5 @@ maintainers:
 name: kong
 sources:
 - https://github.com/Kong/kong
-version: 0.11.1
+version: 0.11.2
 appVersion: 1.1

stable/kong/README.md

@@ -82,6 +82,7 @@ and their default values.
 | proxy.loadBalancerSourceRanges | Limit proxy access to CIDRs if set and service type is `LoadBalancer`            | `[]`                |
 | proxy.loadBalancerIP           | To reuse an existing ingress static IP for the admin service                     |                     |
 | proxy.externalIPs              | IPs for which nodes in the cluster will also accept traffic for the proxy        | `[]`                |
+| proxy.externalTrafficPolicy    | k8s service's externalTrafficPolicy. Options: Cluster, Local                     |                     |
 | proxy.ingress.enabled          | Enable ingress resource creation (works with proxy.type=ClusterIP)               | `false`             |
 | proxy.ingress.tls              | Name of secret resource, containing TLS secret                                   |                     |
 | proxy.ingress.hosts            | List of ingress hosts.                                                           | `[]`                |

stable/kong/templates/service-kong-proxy.yaml

@@ -47,6 +47,10 @@ spec:
   {{- end }}
     protocol: TCP
   {{- end }}
+  {{- if .Values.proxy.externalTrafficPolicy }}
+  externalTrafficPolicy: {{ .Values.proxy.externalTrafficPolicy }}
+  {{- end }}
+
   selector:
     app: {{ template "kong.name" . }}
     release: {{ .Release.Name }}